WO2013115089A1 - ブレーキ装置及び鞍乗型車両 - Google Patents
ブレーキ装置及び鞍乗型車両 Download PDFInfo
- Publication number
- WO2013115089A1 WO2013115089A1 PCT/JP2013/051559 JP2013051559W WO2013115089A1 WO 2013115089 A1 WO2013115089 A1 WO 2013115089A1 JP 2013051559 W JP2013051559 W JP 2013051559W WO 2013115089 A1 WO2013115089 A1 WO 2013115089A1
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- WIPO (PCT)
- Prior art keywords
- braking force
- brake
- wheel brake
- relationship
- ratio
- Prior art date
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- 238000001514 detection method Methods 0.000 claims abstract description 64
- 230000007423 decrease Effects 0.000 claims description 12
- 230000001133 acceleration Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/26—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels
- B60T8/261—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force characterised by producing differential braking between front and rear wheels specially adapted for use in motorcycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/08—Mechanisms specially adapted for braking more than one wheel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1701—Braking or traction control means specially adapted for particular types of vehicles
- B60T8/1706—Braking or traction control means specially adapted for particular types of vehicles for single-track vehicles, e.g. motorcycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
- B60T8/17551—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve determining control parameters related to vehicle stability used in the regulation, e.g. by calculations involving measured or detected parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
- B60T8/17554—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve specially adapted for enhancing stability around the vehicles longitudinal axle, i.e. roll-over prevention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
- B60T8/1766—Proportioning of brake forces according to vehicle axle loads, e.g. front to rear of vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/24—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to vehicle inclination or change of direction, e.g. negotiating bends
- B60T8/241—Lateral vehicle inclination
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2230/00—Monitoring, detecting special vehicle behaviour; Counteracting thereof
- B60T2230/03—Overturn, rollover
Definitions
- the present invention relates to a brake device and a straddle-type vehicle, and more particularly to a brake device in which a front brake and a rear-wheel brake are operated in conjunction with one brake operator and a straddle-type vehicle including the brake device. .
- a motorcycle is known as a kind of saddle riding type vehicle.
- the motorcycle is provided with a brake for braking the rotation of the front wheels and the rear wheels.
- the interlocking brake is a device that can operate the brake for the front wheel and the brake for the rear wheel of the motorcycle with one lever.
- the braking force distribution characteristic curve is changed based on traveling information such as vehicle speed and wheel slip state. Based on this braking force distribution characteristic curve, the braking force of the front wheel brake and the braking force of the rear wheel brake are controlled.
- the occupant controls the front wheel brake between the ideal braking force distribution characteristic curve in a single-seater state and the ideal braking force distribution characteristic curve in a two-seater state.
- the ratio between the power and the braking force of the rear wheel brake can be adjusted to your liking.
- the ratio of the braking force of the front wheel brake and the braking force of the rear wheel brake is an ideal ratio in accordance with the reduction ratio in order to maintain safety and operational comfort.
- the ratio is changed to a ratio based on the braking force distribution characteristic curve or a predetermined ratio.
- Prior art documents include a configuration in which the ratio of the braking force of the front wheel brake and the braking force of the rear wheel brake is set by changing the braking force distribution characteristic curve according to the slip condition, the vehicle speed, etc. And a configuration that can adjust the ratio of the braking force of the rear wheel brake.
- FIG. 11 shows a state in which the motorcycle is inclined at an inclination angle ⁇ .
- a motorcycle may turn in a posture in which the vehicle body is inclined as shown in FIG.
- the motorcycle is turning with the vehicle body tilted, if the front wheel brake acts strongly, the vehicle body will rise. That is, the inclination angle ⁇ is reduced. Therefore, it is difficult for a motorcycle to turn while operating the brake device with the vehicle body tilted.
- An object of the present invention is to provide a configuration that can maintain a tilted state of a vehicle body when a brake is operated while turning while the vehicle body is tilted.
- a brake device is a brake device provided in a saddle-ride type vehicle, and includes a front wheel brake, a rear wheel brake, a brake operation unit, an inclination angle detection sensor, a detection result input unit, and a storage unit. , A target braking force setting unit, a ratio setting unit, and a braking force calculation unit.
- the front wheel brake applies a braking force to the front wheel.
- the rear wheel brake applies a braking force to the rear wheel.
- the brake operation unit operates the front wheel brake and the rear wheel brake with one operator.
- the tilt angle detection sensor detects the tilt angle of the vehicle body of the saddle riding type vehicle.
- the detection result input unit inputs a detection result from the tilt angle detection sensor.
- the storage unit includes a first relationship indicating a relationship between an operation amount of the brake operation unit and a target braking force, a second relationship indicating a ratio of the braking force of the front wheel brake determined for each inclination angle to the target braking force, and / or Alternatively, the third relationship indicating the ratio of the braking force of the rear wheel brake determined for each inclination angle to the target braking force is stored.
- the target braking force setting unit sets the target braking force based on the operation amount of the brake operation unit by referring to the first relationship.
- the ratio setting unit determines which of the plurality of second relationships stored in the storage unit and / or which of the plurality of third relationships is to be referred to from the detection result input to the detection result input unit.
- the ratio between the braking force of the front wheel brake and the braking force of the rear wheel brake is set.
- the braking force calculation unit calculates the braking force of the front wheel brake and the braking force of the rear wheel brake based on the target braking force set by the target braking force setting unit and the ratio set by the ratio setting unit.
- the ratio between the braking force of the front wheel brake and the braking force of the rear wheel brake is controlled according to the inclination angle of the vehicle body. For this reason, when the inclination angle of the vehicle body is large, it is possible to control so as to reduce the ratio of the braking force of the front wheels. By reducing the braking force of the front wheel brake, even if the brake is operated with the vehicle body tilted, the vehicle can turn while maintaining the vehicle body tilted, making it easier to turn the motorcycle.
- the vehicle body inclination angle can be reduced, that is, the vehicle body can be raised. You can turn in a posture that suits the passenger's preference.
- FIG. 1 is a schematic overall view of a motorcycle equipped with a brake device according to the present invention.
- FIG. 2 is a schematic configuration diagram of the brake device.
- FIG. 3 is an overall block diagram of the brake device.
- FIG. 4 is a diagram illustrating the relationship between the target braking force and the brake lever operation amount.
- FIG. 5 is a diagram showing a ratio relationship between the target braking force and the braking force of the front wheels.
- FIG. 6 is a diagram showing a ratio relationship between the target braking force and the braking force of the rear wheels.
- FIG. 7 is an overall block diagram of a brake device according to another embodiment.
- FIG. 8 is a diagram showing a ratio relationship between the target braking force and the braking force of the front wheels at a low speed.
- FIG. 8 is a diagram showing a ratio relationship between the target braking force and the braking force of the front wheels at a low speed.
- FIG. 9 is a diagram showing a ratio relationship between the target braking force and the braking force of the rear wheels at a low speed.
- FIG. 10 is a flowchart showing the operation of the brake device according to the second embodiment.
- FIG. 11 is a rear view of the motorcycle and the occupant in a state where the vehicle body is inclined at a predetermined inclination angle.
- FIG. 1 shows a schematic overall view of a motorcycle 1 provided with a brake device 5 according to the present invention.
- the front, rear, left, and right directions indicate the front, rear, left, and right directions as viewed from the occupant seated on the seat of the motorcycle 1.
- An arrow F in FIG. 1 indicates the forward direction of the motorcycle 1, and an arrow U indicates the upward direction of the motorcycle 1.
- the motorcycle 1 includes a vehicle body 2, a front wheel 3, a rear wheel 4, and a brake device 5.
- the vehicle body 2 is composed of a vehicle body frame, a vehicle body cover, a headlight, a seat, and the like.
- the front wheel 3 is provided at the front portion of the vehicle body 2 so as to be steerable via a front fork (not shown).
- the front wheel 3 is connected to the brake device 5.
- a front disc plate 31 is provided on the front wheel 3.
- the front disc plate 31 is an annular member.
- the undone disc plate 31 is disposed on the side of the front wheel 3.
- the rear wheel 4 is disposed on the rear part of the vehicle body 2 via a rear arm (not shown).
- the rear wheel 4 is connected to the brake device 5.
- the rear wheel 4 is provided at the rear part of the vehicle body 2.
- a rear disk plate 41 is provided on the rear wheel 4.
- the rear disk plate 41 is disposed on the side of the rear wheel 4.
- the rear disk plate 41 is an annular member.
- the brake device 5 includes a front wheel brake 51, a rear wheel brake 52, a brake lever 53, an inclination angle detection sensor 54, a stroke sensor 53a, and a brake control device 55.
- the front wheel brake 51 is attached to a front fork that supports the front wheel 3.
- the front wheel brake 51 is a device for braking the rotation of the front wheel 3.
- the rear wheel brake 52 is attached to a rear arm that supports the rear wheel 4.
- the rear wheel brake 52 is a device for braking the rotation of the rear wheel 4.
- the brake lever 53 operates the front wheel brake 51 and the rear wheel brake 52.
- a pair of brake levers 53 are attached to the left and right handles, respectively.
- FIG. 1 shows only the brake lever 53 attached to the left handle.
- the front wheel brake 51 and the rear wheel brake 52 operate in conjunction with each other by a brake lever 53 attached to the left handle.
- the tilt angle detection sensor 54 is a sensor for detecting the tilt angle of the vehicle body.
- the inclination angle detection sensor 54 has a gyro sensor.
- the inclination angle detection sensor 54 detects the inclination angle of the vehicle body based on the angular velocity of the motorcycle body detected by the gyro sensor.
- the stroke sensor 53a detects the amount by which the brake lever 53 is operated.
- the brake control device 55 is a device that controls the front wheel brake 51 and the rear wheel brake 52.
- the brake control device 55 is connected to the stroke sensor 53 a, the tilt angle detection sensor 54, the front wheel brake 51 and the rear wheel brake 52.
- FIG. 2 is a schematic diagram of the overall configuration of the brake lever 53, the tilt angle detection sensor 54, the brake control device 55, the front wheel brake 51, and the rear wheel brake 52.
- the brake lever 53 is a part that can be operated by the occupant when the motorcycle 1 is braked.
- a stroke sensor 53 a is attached to the brake lever 53.
- the brake control device 55 determines the braking force for the front wheel 3 of the front wheel brake 51 and the braking force for the rear wheel 4 of the rear wheel brake 52.
- the brake control device 55 includes an ECU (Electronic Control Unit) 55a and a hydraulic control unit 55b.
- the ECU 55a is connected to the stroke sensor 53a and the tilt angle detection sensor 54.
- the ECU 55a receives signals related to detection results from the stroke sensor 53a and the tilt angle detection sensor 54.
- the ECU 55a calculates the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52 based on the operation amount of the brake lever 53 and the inclination angle of the vehicle body.
- the ECU 55a controls the hydraulic control unit 55b based on the calculation result.
- the hydraulic control unit 55b receives a signal from the ECU 55a and operates the front wheel brake 51 and the rear wheel brake 52.
- the hydraulic control unit 55b is connected to the front wheel brake 51 via a front brake hydraulic pipe 55c.
- the hydraulic control unit 55b is connected to the rear wheel brake 52 via a rear brake hydraulic pipe 55d.
- the front wheel brake 51 is a device that brakes the rotation of the front disc plate 31.
- the front wheel brake 51 includes a caliper body 511, a brake piston 512, and a pair of brake pads 513.
- the caliper body 511 is connected to one end of the front brake hydraulic pipe 55c.
- the caliper body 511 has a space A in which the brake piston 512 is accommodated.
- the space A is connected to the front brake hydraulic pipe 55c.
- Brake oil can flow into the space A from the front brake hydraulic pipe 55c.
- the caliper body 511 has a groove B in which a part of the front disk plate 31 can be arranged.
- the caliper body 511 supports the brake pad 513 on the side wall C that forms the groove B.
- the brake piston 512 is in contact with one of the brake pads 513. Brake oil is supplied to the space A via the front brake hydraulic pipe 55c, and the brake piston 512 presses the brake pad 513 against the front disc plate 31 side.
- the pair of brake pads 513 includes a first brake pad 513a and a second brake pad 513b.
- the first brake pad 513a and the second brake pad 513b are disposed with the front disc plate 31 interposed therebetween.
- the first brake pad 513 a is disposed between the front disc plate 31 and the side wall C of the caliper body 511.
- the second brake pad 513 b is disposed between the brake piston 512 and the front disc plate 31.
- the rear wheel brake 52 is a device that brakes the rotation of the rear disc plate 41. Since the rear wheel brake 52 has the same configuration as that of the front wheel brake 51, the description of the configuration is omitted. The same number is attached
- FIG. 3 is a block diagram showing a configuration of the brake device 5. The configuration of the brake device 5 will be described with reference to FIG.
- the brake device 5 includes a front wheel brake 51, a rear wheel brake 52, a brake lever 53, an inclination angle detection sensor 54, a stroke sensor 53a, and a brake control device 55.
- the brake control device 55 is a device that controls the front wheel brake 51 and the rear wheel brake 52 as described above, and includes an ECU 55a and a hydraulic control unit 55b.
- the ECU 55a includes a storage unit 551, a detection result input unit 552, a target braking force setting unit 553, a ratio setting unit 554, and a braking force calculation unit 555.
- the storage unit 551 stores data on the first relationship, the second relationship, and the third relationship.
- the first relationship is a relationship between the operation amount of the brake lever 53 and the target braking force.
- the second relationship is a relationship indicating the ratio between the target braking force and the braking force of the front wheel brake 51.
- the third relationship is a relationship indicating the ratio between the target braking force and the braking force of the rear wheel brake 52.
- the detection result input unit 552 inputs the detection result detected by the tilt angle detection sensor 54.
- the target braking force setting unit 553 sets the target braking force from the detection result of the stroke sensor 53a.
- the target braking force means a braking force corresponding to the operation amount of the brake lever 53.
- the ratio setting unit 554 is a part for setting a ratio between the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52.
- the ratio setting unit 554 determines which second relationship and third relationship to be described later to be referred to based on the inclination angle of the vehicle body.
- the ratio setting unit 554 sets the ratio between the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52 based on the second relationship and the third relationship.
- the braking force calculation unit 555 calculates the braking force of the front wheel brake 51 based on the ratio between the target braking force and the braking force of the front wheel brake 51.
- the braking force calculation unit 555 calculates the braking force of the rear wheel brake 52 based on the ratio between the target braking force and the braking force of the rear wheel brake 52.
- FIG. 4 shows the first relationship
- Target braking force (Brake lever operation amount) * A (1)
- a in the above formula (1) means a predetermined constant.
- the target braking force setting unit 553 calculates the target braking force from the operation amount of the brake lever 53 with reference to the first relationship.
- Target braking force (braking force of front wheel brake) + (braking force of rear wheel brake) (2)
- FIG. 5 shows the second relationship.
- the ideal braking force distribution characteristic curve indicates the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52 when the front wheel 3 and the rear wheel 4 simultaneously stop rotating (wheel lock) in a state where the inclination angle of the vehicle body is small. It is a curve regarding a ratio.
- the ideal braking force distribution characteristic curve in FIG. 5 indicates the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52 when the front wheel 3 and the rear wheel 4 simultaneously stop rotating (wheel lock) in a state where the inclination angle of the vehicle body is small. It is a curve regarding a ratio.
- FIG. 5 shows the relationship between the braking force of the front wheel brake 51 and the target braking force, but the above described braking force between the front wheel brake 51 and the braking force of the rear wheel brake 52 Therefore, the ratio of the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52 can be calculated from the relationship of FIG. 5 and the equation (2).
- a two-dot chain line in FIG. 5 a plurality of second relationships different for each inclination angle are stored for a case where the inclination angle is large.
- a plurality of second relations are shown by solid lines and two-dot chain lines, but the second relation shown in FIG. 5 is an example, and the storage unit 551 actually has a larger number that differs for each inclination angle.
- the second relationship is stored.
- FIG. 5 shows two second relationships according to the inclination angle of the motorcycle 1 by solid lines.
- the ratio of the braking force of the front wheel brake 51 to the entire target braking force is smaller than when the inclination angle of the motorcycle 1 is small.
- FIG. 6 shows the third relationship.
- a third relationship when the tilt angle is small (ideal braking force distribution characteristic curve) and an example of the third relationship when the tilt angle is large are shown by solid lines.
- a two-dot chain line in FIG. 6 a plurality of third relationships different for each inclination angle are stored when the inclination angle is large.
- a plurality of third relations are shown by solid lines and two-dot chain lines, but the third relation shown in FIG. 6 is an example, and the storage unit 551 actually has a larger number that differs for each inclination angle.
- the third relationship is stored.
- FIG. 6 shows the two third relationships according to the inclination angle of the motorcycle 1 by solid lines.
- the ratio of the braking force of the rear wheel brake 52 to the entire target braking force is larger than when the inclination angle of the motorcycle 1 is small.
- the ratio of the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52 is determined based on the ideal braking force distribution characteristic curve. As the inclination angle increases, the ratio of the braking force of the front wheel brake 51 to the entire target braking force is reduced and the ratio of the braking force of the rear wheel brake 52 to the entire target braking force is increased.
- the ratio setting unit 554 determines which of the plurality of second relationships stored in the storage unit 551 is to be referred to from the inclination angle of the vehicle body.
- the ratio setting unit 554 refers to the second relationship and detects the ratio of the braking force of the front wheel brake 51 in the entire target braking force from the target braking force.
- the ratio setting unit 554 determines which of the plurality of second relationships stored in the storage unit 551 is to be referred to based on the inclination angle of the vehicle body.
- the ratio setting unit 554 detects the ratio of the rear wheel brake 52 in the entire target braking force from the target braking force with reference to the third relationship.
- the braking force calculation unit 555 calculates the braking force of the front wheel brake 51 from the ratio of the braking force of the front wheel brake 51 to the entire target braking force and the target braking force.
- the braking force calculation unit 555 calculates the braking force of the rear wheel brake 52 from the ratio of the braking force of the rear wheel brake 52 to the entire target braking force and the target braking force.
- the ECU 55a transmits a signal to the hydraulic control unit 55b so that the front wheel brake 51 applies the braking force of the front wheel brake 51 calculated by the braking force calculation unit 555 to the front wheel 3.
- the hydraulic control unit 55b supplies brake oil to the front wheel brake 51 through the front brake hydraulic pipe 55c.
- the brake piston 512 is pressed against the second brake pad 513b by the brake oil.
- the second brake pad 513b is pressed against the front disc plate 31.
- the ECU 55a transmits a signal to the hydraulic control unit 55b so that the braking force of the rear wheel brake 52 calculated by the braking force calculation unit 555 is applied to the rear wheel 4.
- the hydraulic control unit 55b supplies brake oil to the rear wheel brake 52 via the rear brake hydraulic pipe 55d.
- the brake piston 512 is pressed against the second brake pad 513b by the brake oil.
- the brake pad 513 of the rear wheel brake 52 is pressed against the rear disc plate 41.
- the ratio of the braking force of the rear wheel brake 52 to the entire target braking force increases as compared with the case where the vehicle body inclination angle is small and the overall target braking force is increased.
- the ratio of the braking force of the front wheel brake 51 is reduced. Therefore, compared to the case where the ratio of the braking force of the rear wheel brake 52 in the entire target braking force and the ratio of the braking force of the front wheel brake 51 in the entire target braking force are not changed according to the inclination angle, the braking force of the front wheel brake is reduced. Power can be reduced.
- the brake can be operated with the vehicle body of the motorcycle 1 tilted.
- the motorcycle 1 is turning with the vehicle body being greatly inclined, even if the brake is operated, the phenomenon that the vehicle body rises is suppressed, and the vehicle can turn while maintaining the vehicle body being inclined. .
- the brake device 7 according to the second embodiment differs from the first embodiment in the following points.
- the brake device 7 when the vehicle speed of the motorcycle is equal to or less than a predetermined threshold, the ratio of the braking force of the front wheel brake to the entire target braking force is reduced and the target braking force is reduced.
- the front wheel brake and the rear wheel brake are controlled so that the ratio of the braking force of the rear wheel brake to the whole increases.
- the brake device 7 when the brake lever is operated while the motorcycle body is tilted, the braking force acts on the front wheels, so that the vehicle body rises and the inclination angle decreases.
- the brake device 7 maintains the actual tilt angle of the vehicle body so that the current tilt angle of the vehicle body is maintained even when the front wheel brake is operated.
- the braking force of the front wheel brake and the braking force of the rear wheel brake are determined using a correction value obtained by adding a decrease in the inclination angle associated with the operation of the front wheel brake.
- the motorcycle according to the second embodiment is the same as the first embodiment in the configuration other than the brake device 7. For this reason, description about structures other than the brake device 7 is abbreviate
- the same configurations as those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and description thereof is omitted.
- FIG. 7 is an overall block diagram showing the configuration of the brake device 7.
- the brake device 7 includes a brake lever 53, a stroke sensor 53a, an inclination angle detection sensor 54, a vehicle speed detection sensor 71, a front wheel brake 51, a rear wheel brake 52, and a brake control device 72. Since the configuration other than the vehicle speed detection sensor 71 and the brake control device 72 is the same as the configuration of the brake device 5 described in the first embodiment, only the vehicle speed detection sensor 71 and the brake control device 72 will be described in detail.
- the vehicle speed detection sensor 71 is a sensor that detects the vehicle speed of the motorcycle 1.
- the vehicle speed detection sensor 71 has a sensor that detects the rotational speed of the wheel.
- the vehicle speed detection sensor 71 calculates the speed of the motorcycle 1 based on the wheel rotation speed detected by the sensor that detects the wheel rotation speed.
- the brake control device 72 has an ECU 55a and a hydraulic control unit 55b.
- the ECU 55a includes a storage unit 721, a detection result input unit 725, a target braking force setting unit 553, a ratio setting unit 722, a braking force calculation unit 555, an inclination angle correction value calculation unit 723, and a threshold determination unit 724. Since the target braking force setting unit 553 and the braking force calculation unit 555 are the same as those in the first embodiment, description of these configurations will be omitted.
- the storage unit 721 stores data of the fourth relationship and the fifth relationship in addition to the first relationship, the second relationship, and the third relationship described in the first embodiment. Since the first relationship, the second relationship, and the third relationship are the same as those in the first embodiment, the description thereof is omitted.
- the fourth relationship is a relationship indicating the ratio between the target braking force and the braking force of the front wheel brake 51 when the vehicle speed of the motorcycle 1 is smaller than the threshold value.
- the fifth relationship is a relationship indicating the ratio between the target braking force and the braking force of the rear wheel brake 52 when the vehicle speed of the motorcycle 1 is smaller than the threshold value.
- the detection result input unit 725 inputs the detection result detected by the tilt angle detection sensor 54.
- the detection result input unit 725 inputs data on the vehicle speed detected by the vehicle speed detection sensor 71.
- the tilt angle correction value calculation unit 723 calculates a tilt angle that decreases when the front wheel brake 51 is operated, and calculates a correction value according to the decrease in the tilt angle.
- the storage unit 721 stores a table indicating the relationship between the braking force of the front wheel brake 51 and the amount of decrease in the tilt angle.
- the inclination angle correction calculation unit 723 calculates an amount of decrease in inclination angle from the braking force of the front wheel brake 51 with reference to this table.
- the tilt angle correction value calculation unit 723 calculates the tilt angle correction value by adding the decrease of the tilt angle to the angle detected by the tilt angle detection sensor 54 in advance.
- the threshold judgment unit 724 is a part that judges whether or not the vehicle speed of the motorcycle 1 detected by the vehicle speed detection sensor 71 is equal to or higher than a predetermined threshold.
- the predetermined threshold is set to about 6 to 10 km / h, for example.
- the ratio setting unit 722 is a part for setting a ratio between the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52.
- the ratio setting unit 722 occupies the braking force of the front wheel brake 51 and the entire target braking force based on the fourth relationship and the fifth relationship when the vehicle speed of the motorcycle 1 is equal to or less than a predetermined threshold.
- the ratio of the braking force of the wheel brake 52 is set.
- the ratio setting unit 722 controls the braking force of the front wheel brake 51 and the control of the rear wheel brake 52 based on the inclination angle correction value and the second relationship and the third relationship. Set the ratio with the power.
- FIG. 8 is a diagram showing the fourth relationship.
- the braking force of the front wheel brake 51 is set based on the fourth relationship. In a range where the target braking force is smaller than the predetermined value X, the braking force of the front wheel brake 51 is smaller than the extension line Y of the braking force distribution characteristic curve Z.
- FIG. 9 is a diagram illustrating the fifth relationship.
- the braking force of the rear wheel brake 52 is set based on the fifth relationship. In a range where the target braking force is smaller than the predetermined value S, the braking force of the rear wheel brake 52 becomes larger than the extension line U of the braking force distribution characteristic curve T.
- FIG. 10 is a flowchart showing the operation of the brake device 7.
- step S1 When the brake lever 53 is operated, the operation amount of the brake lever 53 is detected by the stroke sensor 53a (step S1).
- the target braking force setting unit 553 detects the target braking force from the operation amount of the brake lever 53 with reference to the first relationship (step S2).
- the vehicle speed of the motorcycle 1 is detected by the vehicle speed detection sensor 71 (step S3).
- the threshold determination unit 724 determines whether the vehicle speed of the motorcycle 1 is equal to or higher than a predetermined threshold (step S4).
- the tilt angle correction value calculation unit 723 calculates the tilt angle correction value from the operation amount of the brake lever 53 according to the procedure described in paragraph 0073. Calculate (step S5).
- the ratio setting unit 554 determines which of the plurality of second relationships stored in the storage unit 551 is to be referred to from the tilt angle correction value. With reference to the second relationship, the target braking force setting unit 553 detects the ratio of the braking force of the front wheel brake 51 to the entire target braking force from the target braking force. Here, the tilt angle correction value is used as the tilt angle in the second relationship. The ratio setting unit 554 determines which third relationship is referred to from the tilt angle correction value among the plurality of third relationships stored in the storage unit 551. The ratio setting unit 554 refers to the third relationship and sets the ratio of the braking force of the rear wheel brake 52 that occupies the entire target braking force from the target braking force (step S6).
- the braking force calculation unit 555 calculates the braking force of the front wheel brake 51 from the ratio between the target braking force and the braking force of the front wheel brake 51.
- the braking force calculation unit 555 calculates the braking force of the rear wheel brake from the ratio between the target braking force and the braking force of the rear wheel brake 52 (step S7).
- the ECU 55a transmits a signal to the hydraulic control unit 55b so that the front wheel brake 51 applies the braking force of the front wheel brake 51 calculated by the braking force calculation unit 555 to the front wheel 3.
- the hydraulic control unit 55b supplies brake oil to the front wheel brake 51 through the front brake hydraulic pipe 55c.
- the brake piston 512 is pressed against the second brake pad 513b by the brake oil.
- the second brake pad 513b is pressed against the front disc plate 31.
- the ECU 55a sends a signal to the hydraulic control unit 55b so that the rear wheel brake 52 causes the braking force of the rear wheel brake 52 calculated by the braking force calculation unit 555 to act on the rear wheel 4.
- the hydraulic control unit 55b supplies brake oil to the rear wheel brake 52 via the rear brake hydraulic pipe 55d.
- the brake piston 512 is pressed against the second brake pad 513b by the brake oil.
- the brake pad 513 of the rear wheel brake 52 is pressed against the rear disc plate 41 (step S8).
- the ratio setting unit 554 refers to the fourth relationship, and the braking force of the front wheel brake 51 that occupies the target braking force from the target braking force. Set the percentage.
- the ratio setting unit 554 refers to the fifth relationship, and sets the ratio of the braking force of the rear wheel brake 52 that occupies the target braking force from the target braking force (step S9).
- the braking force calculation unit 555 calculates the braking force of the front wheel brake 51 from the ratio of the braking force of the front wheel brake 51 to the entire target braking force.
- the braking force calculation unit 555 calculates the braking force of the rear wheel brake 52 from the ratio of the braking force of the rear wheel brake 52 to the entire target braking force (step S7).
- the ECU 55a transmits a signal to the hydraulic control unit 55b so that the front wheel brake 51 applies the braking force of the front wheel brake 51 calculated by the braking force calculation unit 555 to the front wheel 3.
- the hydraulic control unit 55b supplies brake oil to the front wheel brake 51 through the front brake hydraulic pipe 55c.
- the brake piston 512 is pressed against the second brake pad 513b by the brake oil.
- the second brake pad 513b is pressed against the front disc plate 31.
- the rear wheel brake 52 transmits a signal to the hydraulic control unit 55b so that the braking force of the rear wheel brake 52 calculated by the braking force calculation unit 555 is applied to the rear wheel 4.
- the hydraulic control unit 55b supplies brake oil to the rear wheel brake 52 via the rear brake hydraulic pipe 55d.
- the brake piston 512 is pressed against the second brake pad 513b by the brake oil.
- the brake pad 513 of the rear wheel brake 52 is pressed against the rear disc plate 41 (step S8).
- the features of the second embodiment will be described below.
- the second embodiment has the following features in addition to the features of the first embodiment.
- the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52 are set based on the fourth relationship and the fifth relationship. For this reason, in the motorcycle according to the second embodiment, it is easy to turn at a reduced vehicle speed with the vehicle body tilted.
- the inclination angle decreases when the front wheel brake 51 is operated. For this reason, in the motorcycle according to the second embodiment, it becomes easier to turn while maintaining the inclination angle of the vehicle body than the motorcycle 1 of the first embodiment.
- the present invention is not limited to this, and for example, the following two examples: As described above, the braking force of the front wheel brake and the braking force of the rear wheel brake may be calculated.
- the storage unit does not store the third relationship.
- the ratio setting unit sets the ratio of the braking force of the front wheel brake to the entire target braking force from the second relationship.
- the braking force calculation unit calculates the braking force of the front wheel brake from the ratio of the braking force of the front wheel brake to the entire target braking force.
- the braking force calculation unit calculates the braking force of the rear wheel brake by subtracting the braking force of the front wheel brake from the target braking force.
- the second relationship is not stored in the storage unit.
- the ratio setting unit sets the ratio of the braking force of the rear wheel brake to the entire target braking force from the target braking force and the third relationship.
- the braking force calculation unit calculates the braking force of the rear wheel brake from the ratio of the braking force of the rear wheel brake to the entire target braking force.
- the braking force calculation unit calculates the braking force of the front wheel brake by subtracting the braking force of the rear wheel brake from the target braking force.
- the fifth relationship is not stored in the storage unit.
- the ratio setting unit sets the ratio of the braking force of the front wheel brake to the entire target braking force from the target braking force and the fourth relationship.
- the braking force calculation unit calculates the braking force of the front wheel brake from the ratio of the braking force of the front wheel brake to the entire target braking force.
- the braking force calculation unit calculates the braking force of the rear wheel brake by subtracting the braking force of the front wheel brake from the target braking force.
- the fourth relationship is not stored in the storage unit.
- the ratio setting unit sets the ratio of the braking force of the rear wheel brake to the entire target braking force based on the target braking force and the fifth relationship.
- the braking force calculation unit calculates the braking force of the rear wheel brake from the ratio of the braking force of the rear wheel brake to the entire target braking force.
- the braking force calculation unit calculates the braking force of the front wheel brake by subtracting the braking force of the rear wheel brake from the target braking force.
- the inclination angle correction value of the second embodiment is not used and the inclination is corrected.
- the tilt angle detected by the angle detection sensor 54 is used, the tilt angle correction value may be used in the first embodiment as in the second embodiment. In this case, when the brake is operated as in the second embodiment, the amount of change in the inclination angle is small, so that the operability is further improved.
- the vehicle speed is not taken into account when calculating the braking force of the front wheel brake 51 and the braking force of the rear wheel brake 52.
- the vehicle speed detection sensor 71 may be attached, and the second relation and the third relation may be distinguished from the fourth relation and the fifth relation depending on whether or not the vehicle speed is equal to or less than a threshold value.
- the brake disc type brake device has been described.
- the present invention is not limited to this, and a drum brake type brake device may be used.
- the gyro sensor is used to detect the tilt angle of the vehicle body.
- the present invention is not limited to this, and the vehicle body is not limited to this.
- the tilt angle may be detected.
- the tilt angle of the vehicle body may be calculated from the detection result of the yaw rate sensor and the detection result of the vehicle speed sensor, or may be calculated from GPS data.
- the wheel speed detection sensor attached to the wheel is used to detect the vehicle speed, but the present invention is not limited to this, and other sensors or
- the vehicle speed may be detected by a method.
- the vehicle speed can also be detected from GPS data.
- the speed can also be calculated by integrating the acceleration of the motorcycle using an acceleration sensor. In this case, the vehicle speed can be detected even when the wheel is locked, that is, when the rotation of the wheel is stopped.
- the brake lever 53 is used as an example of the brake operator, but the present invention is not limited to this, and other configurations may be used.
- a foot pedal may be used.
- a brake device having a configuration in which only the second brake pad 513b is pressed against the front disc plate 31 as the front wheel brake 51 and the rear wheel brake 52 is used.
- the brake device may be configured such that both the first brake pad 513a and the second brake pad 513b are pressed against the front disc brake 31 side.
- the stroke sensor 53a is used as a sensor for detecting the operation amount of the brake lever 53.
- the present invention is not limited to this, and the operation amount of the brake lever 53 is determined by other sensors or methods. It can also be detected.
- a rotary potentiometer can be used as the stroke sensor.
- the operation amount can be detected from the load acting on the brake lever using a load cell.
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Abstract
Description
以下、図面を参照し、本発明の一実施形態に係るブレーキ装置5を備えた自動二輪車1について説明する。図中同一又は相当部分には同一符号を付してその部材についての説明は繰り返さない。
図1は、本発明に係るブレーキ装置5を備えた自動二輪車1の概略全体図を示す。なお、以下の説明において前後左右と方向を示す場合、自動二輪車1のシートに着座した乗員から見た前後左右の方向を意味するものとする。図1中の矢印Fは、自動二輪車1の前方向を、矢印Uは、自動二輪車1の上方向を示す。
目標制動力 = (ブレーキレバーの操作量) * A・・・(1)
目標制動力=(前輪ブレーキの制動力)+(後輪ブレーキの制動力)・・・(2)
ブレーキレバー53が乗員によって操作されると、ストロークセンサ53aによってブレーキレバー53の操作量が検出される。目標制動力設定部は、第1関係を参照して、ブレーキレバー53の操作量から目標制動力を設定する。傾斜角検出センサ54によって車体の傾斜角が検出される。傾斜角検出センサ54によって検出された傾斜角は検出結果入力部に入力される。
以下に本実施形態の特徴を説明する。
図面を参照し、第2の実施形態に係るブレーキ装置7を備えた自動二輪車について以下に説明する。
第2の実施形態に係る自動二輪車は、ブレーキ装置7以外の構成については、第1の実施の形態と同様である。このため、ブレーキ装置7以外の構成についての説明を省略する。また、第1の実施形態と同様の構成については、第1の実施形態と同じ番号を付し、説明を省略する。
動力が大きくなる。
図10はブレーキ装置7の動作を示すフローチャートである。
以下に第2の実施形態の特徴を説明する。第2の実施形態では、第1の実施形態の特徴に加えて、以下の特徴がある。
(1)上記の実施形態では、自動二輪車1について説明したが、本発明はこれに限らず、3又は4輪の鞍乗型車両等であっても適用できる。
Claims (8)
- 鞍乗型車両に設けられるブレーキ装置であって、
前輪に制動力を作用させる前輪ブレーキと、
後輪に制動力を作用させる後輪ブレーキと、
前記前輪ブレーキと前記後輪ブレーキとを1つの操作子で操作するブレーキ操作部と、
前記鞍乗型車両の車体の傾斜角を検出する傾斜角検出センサと、
前記傾斜角検出センサからの検出結果を入力する検出結果入力部と、
前記ブレーキ操作部の操作量と目標制動力との関係を示す第1関係と、傾斜角毎に定められた前記前輪ブレーキの制動力の前記目標制動力に占める割合を示す第2関係及び/又は傾斜角毎に定められた前記後輪ブレーキの制動力の前記目標制動力に占める割合を示す第3関係とを記憶する記憶部と、
前記第1関係を参照することにより前記ブレーキ操作部の操作量に基づいて、目標制動力を設定する目標制動力設定部と、
前記検出結果入力部に入力した検出結果から、前記記憶部に記憶された複数の第2関係のいずれを参照するか及び/又は複数の第3関係のいずれを参照するかを決定し、第2関係及び/又は第3関係に基づいて、前記前輪ブレーキの制動力と前記後輪ブレーキの制動力との割合を設定する割合設定部と、
前記目標制動力設定部によって設定された目標制動力及び前記割合設定部によって設定された割合に基づいて、前記前輪ブレーキの制動力及び前記後輪ブレーキの制動力を算出する制動力算出部と、
を備えたブレーキ装置。 - 請求項1に記載のブレーキ装置であって、
前記第2関係は、車体の傾斜角が大きくなるほど前記前輪ブレーキの制動力の前記目標制動力に占める割合が低下する関係であり、
前記第3関係は、車体の傾斜角が大きくなるほど前記後輪ブレーキの制動力の前記目標制動力に占める割合が大きくなる関係である、
ブレーキ装置。 - 請求項1又は2に記載のブレーキ装置であって、
前記検出結果入力部に入力された検出結果から傾斜角補正値を算出する傾斜角補正値算出部をさらに有し、
前記傾斜角補正値算出部は、
前記ブレーキ操作部が操作されることにより減少すると想定される傾斜角の減少分を前記検出結果に加えることで傾斜角補正値を算出し、
前記割合設定部は、前記傾斜角補正値と第2関係及び/又は第3関係に基づいて、前記前輪ブレーキの制動力と前記後輪ブレーキの制動力との割合を設定する、
ブレーキ装置。 - 請求項1から3のいずれかに記載のブレーキ装置であって、
前輪と後輪とが同時に回転停止(ホイールロック)する場合の前輪ブレーキの制動力と後輪ブレーキの制動力の割合に関する曲線を理想制動配分曲線とすると、
前記割合設定部は、前記理想制動配分曲線よりも、前輪ブレーキの制動力を減少させるとともに後輪ブレーキの制動力の割合が増加させる、
ブレーキ装置。 - 請求項1から4のいずれかに記載のブレーキ装置であって、
前記ブレーキ装置は、
前記鞍乗型車両の速度を検出する速度検出部と、
前記鞍乗型車両の速度が所定の閾値以下か否かを判断する閾値判断部と、
をさらに備え、
前記検出結果入力部は、前記速度検出部によって検出された速度についてのデータを入力可能であり、
前記割合設定部は、前記閾値判断部が前記鞍乗型車両の速度が前記所定の閾値以下であると判断した場合には、前記閾値判断部が前記鞍乗型車両の速度が前記所定の閾値よりも大きいと判断した場合よりも、前記後輪ブレーキの制動力の前記目標制動力に占める割合を増大させる、
ブレーキ装置。 - 請求項1から5のいずれかに記載のブレーキ装置であって、
前記傾斜角検出センサは、ジャイロセンサを有しており、前記ジャイロセンサによって検出された値に基づいて車体の傾斜角を算出する、
ブレーキ装置。 - 請求項1から6のいずれかに記載のブレーキ装置であって、
前記速度検出部は、前記鞍乗型車両の加速度を検出する加速度センサを有し、前記加速度センサの検出結果に基づいて速度を算出する、
ブレーキ装置。 - 請求項1から7のいずれかに記載のブレーキ装置を備えた鞍乗型車両。
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EP13742908.0A EP2810836B1 (en) | 2012-01-31 | 2013-01-25 | Brake device and method for a straddle-type vehicle |
JP2013556371A JP5697183B2 (ja) | 2012-01-31 | 2013-01-25 | ブレーキ装置及び鞍乗型車両 |
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- 2013-01-25 JP JP2013556371A patent/JP5697183B2/ja active Active
- 2013-01-25 EP EP13742908.0A patent/EP2810836B1/en active Active
- 2013-01-25 WO PCT/JP2013/051559 patent/WO2013115089A1/ja active Application Filing
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WO2015133397A1 (ja) * | 2014-03-03 | 2015-09-11 | ボッシュ株式会社 | 二輪車用ブレーキ装置の制動力制御方法及び制動力制御装置 |
CN106061811A (zh) * | 2014-03-03 | 2016-10-26 | 罗伯特·博世有限公司 | 二轮车用制动装置的制动力控制方法及制动力控制装置 |
KR20160141708A (ko) * | 2014-03-03 | 2016-12-09 | 봇슈 가부시키가이샤 | 이륜차용 브레이크 장치의 제동력 제어 방법 및 제동력 제어 장치 |
JPWO2015133397A1 (ja) * | 2014-03-03 | 2017-04-06 | ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング | 二輪車用ブレーキ装置の制動力制御方法及び制動力制御装置 |
US9963133B2 (en) | 2014-03-03 | 2018-05-08 | Robert Bosch Gmbh | Method for controlling braking force of brake devices for two-wheeled vehicle, and device for controlling braking force |
KR102301272B1 (ko) * | 2014-03-03 | 2021-09-14 | 로베르트 보쉬 게엠베하 | 이륜차용 브레이크 장치의 제동력 제어 방법 및 제동력 제어 장치 |
DE112015000654B4 (de) | 2014-03-03 | 2022-01-20 | Bosch Corporation | Verfahren zur Steuerung der Bremskraft einer Bremsanlage für ein Zweirad und Vorrichtung zur Steuerung der Bremskraft |
JP2018114832A (ja) * | 2017-01-18 | 2018-07-26 | 本田技研工業株式会社 | 鞍乗型車両のブレーキ制御装置 |
US10632984B2 (en) | 2017-01-18 | 2020-04-28 | Honda Motor Co., Ltd. | Brake control device for saddle riding vehicle |
JPWO2018185578A1 (ja) * | 2017-04-05 | 2019-12-12 | ロベルト・ボッシュ・ゲゼルシャフト・ミト・ベシュレンクテル・ハフツングRobert Bosch Gmbh | 制御装置、制御方法及びブレーキシステム |
US11273807B2 (en) | 2017-04-05 | 2022-03-15 | Robert Bosch Gmbh | Controller, control method, and brake system |
KR102233150B1 (ko) * | 2020-08-19 | 2021-03-29 | (주)한국원자력 엔지니어링 | 이륜차의 유압식 제동장치 |
Also Published As
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JPWO2013115089A1 (ja) | 2015-05-11 |
JP5697183B2 (ja) | 2015-04-08 |
US20150057904A1 (en) | 2015-02-26 |
EP2810836A1 (en) | 2014-12-10 |
US8989980B2 (en) | 2015-03-24 |
EP2810836A4 (en) | 2015-06-17 |
EP2810836B1 (en) | 2018-08-29 |
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