WO2015104782A1 - 乗り物および乗り物の制御方法 - Google Patents
乗り物および乗り物の制御方法 Download PDFInfo
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- WO2015104782A1 WO2015104782A1 PCT/JP2014/006457 JP2014006457W WO2015104782A1 WO 2015104782 A1 WO2015104782 A1 WO 2015104782A1 JP 2014006457 W JP2014006457 W JP 2014006457W WO 2015104782 A1 WO2015104782 A1 WO 2015104782A1
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- control
- vehicle
- additional
- additional device
- control unit
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- 238000000034 method Methods 0.000 title claims description 19
- 238000004891 communication Methods 0.000 claims description 10
- 239000000446 fuel Substances 0.000 description 17
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- 238000013016 damping Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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Classifications
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- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/0098—Details of control systems ensuring comfort, safety or stability not otherwise provided for
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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
- B60T8/17—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
- B60W10/11—Stepped gearings
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/20—Steering systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/26—Wheel slip
Definitions
- the present invention relates to a vehicle and a vehicle control method.
- the present invention has been made in view of such circumstances, and provides a vehicle in which the function of the vehicle is not changed by an erroneous operation and a special device for changing the function is unnecessary.
- the purpose is that.
- a vehicle includes a control device provided in the vehicle main body, an additional device provided detachably in the vehicle main body, and a vehicle provided in the vehicle main body and electrically connected to the control device.
- An existing device different from the additional device, and when the control device determines that the additional device is connected to the control device, the control realizes an additional function obtained using the additional device
- a change control unit that controls the existing function obtained by using the existing device so that it can be changed as compared to before the additional device is connected when it is determined that the additional device is connected to the control device. And having.
- the control device stores an identification signal unique to the additional device transmitted from the additional device, and is the stored identification signal included in the signal transmitted from the additional device? Based on the above, it may be determined whether or not the additional device is connected to the control device. According to this configuration, even if a device different from the additional device is connected to the control device, it is possible to prevent erroneous determination that the additional device is connected to the control device.
- the change control unit may change the driving support control for supporting the driving operation by the driver as compared to before the additional device is connected. According to this configuration, since the control to be changed is driving support control, for example, appropriate driving support according to the travel region is performed, and convenience can be improved.
- the additional device may be connected to the control device according to a communication protocol in which the existing device exchanges signals with the control device. According to such a configuration, the additional device can communicate with the control device without providing an interface dedicated to the additional device or a signal conversion device, so that it is possible to prevent a decrease in the degree of freedom in design regarding the connection of the additional device.
- a control method is a vehicle control method in which an existing device is provided in a vehicle body, and the additional device is detachable from the vehicle body, and the additional device is attached to the vehicle body.
- the control for realizing the function obtained using the additional device is performed, and the existing function obtained using the existing device is controlled to be changeable as compared with that before the additional device is connected.
- the function is not changed by an erroneous operation, and a special device for changing the function is not necessary.
- the control device 40 includes electronic control units of a fuel ignition ECU (Electric Control Unit) 50, an ABS (Antilock Brake System) -ECU 70, and a steering damper ECU 80.
- the control apparatus 40 may have an electronic control unit other than these.
- the control apparatus 40 should just have one or more electronic control units.
- the meter unit 10 has a display unit 11 and displays predetermined contents on the display unit 11 based on information acquired from the network.
- the meter unit 10 is electrically connected to an operation unit (rider switch) 12 that can be operated by the driver via wiring other than the bus 90 (hereinafter referred to as “non-bus wiring”).
- operation unit 12 that can be operated by the driver via wiring other than the bus 90 (hereinafter referred to as “non-bus wiring”).
- the driver operates the operation unit 12
- the meter unit 10 acquires a signal transmitted from the operation unit 12, performs a necessary calculation by executing a predetermined program, and supplies the result to the network.
- the data logger 30 is a device that acquires information supplied to the network at regular time intervals and stores the information in time series. Similarly to the inertial sensor 20, the data logger 30 can be attached to and detached from the vehicle body 101 (can be retrofitted). In addition, since the data logger 30 does not supply information to the network, the data logger 30 may not have an identification number.
- the data logger 30 is attached to the vehicle main body 101 in order to confirm information indicating the driving state during traveling such as the vehicle speed, throttle opening, and gear ratio after traveling. For example, a vehicle 100 that is not equipped with the data logger 30 is prepared for a driver who does not need to check the driving state during traveling. A driver who wishes to check the driving state during traveling additionally attaches the data logger 30 to the vehicle 100 to which the data logger 30 is not attached.
- the throttle lever 52, the gear position sensor 53, the front wheel speed sensor 54, and the rear wheel speed sensor 55 are connected to the fuel ignition ECU 50, but these devices are connected to other ECUs and the like. It may be. Even in this case, the fuel ignition ECU 50 can acquire information from these devices via the network.
- the fuel ignition ECU 50 includes, as functional components, a determination unit 61, a quick shift control unit 62, a data calculation output control unit 63, a traction (Traction) control unit 64, an anti-willy control unit 65, and a launch. (Launch) control unit 66.
- a determination unit 61 determines whether a vehicle is a moving vehicle is a moving vehicle is a moving vehicle.
- a quick shift control unit 62 includes, as functional components, a data calculation output control unit 63, a traction (Traction) control unit 64, an anti-willy control unit 65, and a launch. (Launch) control unit 66.
- the determination unit 61 is a part that determines whether or not the inertial sensor 20 is connected to the control device 40. As described above, when the inertial sensor 20 is connected to the network, the inertial sensor 20 transmits a signal indicating inertial data together with the identification signal to the network. The determination unit 61 stores the identification signal of the inertial sensor 20, and determines that the inertial sensor 20 is connected to the control device 40 when the identification signal of the inertial sensor 20 is received via the network. On the other hand, the determination unit 61 determines that the inertial sensor 20 is not connected to the control device 40 when the identification signal of the inertial sensor 20 cannot be received.
- the determination unit 61 determines that the inertial sensor 20 is connected to the control device 40, the determination unit 61 transmits a “connection signal” to the network. If the determination unit 61 determines that the inertial sensor 20 is not connected to the control device 40, the determination unit 61 transmits a “disconnect signal” to the network. Send. Note that the determination unit 61 transmits a connection signal to the network only when it is determined that the inertial sensor 20 is connected to the control device 40, and when it is determined that the inertial sensor 20 is not connected to the control device 40, there is nothing in the network. The signal may not be transmitted.
- the quick shift control unit 62 is a part that realizes a quick shift function that enables a shift change only by operating the shift pedal without operating the clutch lever.
- the quick shift control unit 62 acquires the gear ratio based on the signal transmitted from the gear position sensor 53, and controls the engine 51 so that the transmission and the engine 51 have the same rotational speed at the time of shifting. If the rotation speed of the transmission and the engine 51 match, a shift change can be made only by operating the shift pedal without operating the clutch lever.
- the quick shift control unit 62 adds the existing function obtained using the existing device before connecting the additional device. It is a change control part which performs control which can be changed compared with.
- the “existing device” referred to here is a device that is connected to the control device 40 in advance and is necessary for traveling in a public road area.
- existing devices include driving devices such as engines or electric motors, braking devices such as brakes, shock absorbers such as suspensions, steering devices, power transmission devices, and the like.
- the engine, ABS, and steering damper correspond to existing devices, but in addition to traction control (starting support device, low ⁇ road running support device), electronically controlled suspension, CBS (front and rear wheel brake coordination device), etc.
- Existing devices include electronically controlled hydraulic units, automatic transmissions, idling stops, output restrictions, vehicle speed restrictions, collision damage mitigation brakes or automatic driving.
- the existing function obtained using the existing device corresponds to an anti-lock brake function and a steering damping function, which will be described later, in addition to the quick shift function described above.
- Any control for realizing these existing functions is driving support control.
- the “driving support control” here is a control for assisting the driving operation of the driver.
- the output control of the drive source maximal speed, rotation speed limiter, output suppression at the time of slip, Output increase at the time of emblem
- control ABS, electric steering damper, attitude control by dynamic damper, etc.
- the data calculation output control unit 63 receives the connection signal from the determination unit 61, the data calculation output control unit 63 acquires the inertia data, the front wheel speed, and the rear wheel speed from the inertial sensor 20, the front wheel speed sensor 54, and the rear wheel speed sensor 55. Based on these pieces of information, the bank angle of the vehicle main body 101 (tilt angle in the left-right direction as viewed from the driver) and the pitch angle (tilt angle in the front-rear direction as viewed from the driver) are calculated. Then, the calculation result is supplied to the network. The calculation result supplied to the network is recorded in the data logger 30 described above.
- the data calculation output control unit 63 is an additional control unit that performs control to realize an additional function obtained by using the inertial sensor 30 when the inertial sensor 30 as the additional device is connected to the control device 40.
- the “additional function” referred to here is a function obtained by using the additional device, and a predetermined calculation or control based on a function realized by controlling the additional device and a signal transmitted from the additional device. The function obtained by performing is included.
- various controls using the calculated bank angle and the pitch angle are included in the additional function.
- a traction control unit 64 As an additional control unit that performs control for realizing the additional function, a traction control unit 64, an anti-willy control unit 65, and a launch control unit 66, which will be described later, in addition to the data calculation output control unit 63 described above. Applicable.
- the traction control unit 64 is a part that performs traction control to prevent tire slipping (slip).
- the traction control unit 64 acquires the front wheel speed and the rear wheel speed from the front wheel speed sensor 54 and the rear wheel speed sensor 55, respectively, when receiving a disconnection signal from the determination unit 61 or not receiving a connection signal. Based on this information, a target engine output at which the tire does not slip is calculated. Then, the engine is controlled so that the actual engine output becomes the target engine output.
- the traction control unit 64 when the traction control unit 64 receives the connection signal from the determination unit 61, the traction control unit 64 acquires the front wheel speed and the rear wheel speed from the front wheel speed sensor 54 and the rear wheel speed sensor 55, respectively, and the data calculation output control unit 63.
- the bank angle of the vehicle main body 101 is acquired from the above, and the engine is controlled based on these pieces of information.
- the traction control unit 64 controls the engine based on information obtained from the inertial sensor 30.
- the anti-willy control unit 65 is a part that performs anti-willy control for preventing the vehicle body 101 from being wheeled.
- the anti-willy control unit 65 acquires information on the control signal transmitted to the various actuators and measurement information of the various sensors, and based on these information It is then determined whether the vehicle body 101 is willing or likely to be wheeled. If it is determined that the vehicle body 101 is wheeled or is likely to wheelie, the output of the engine is reduced to prevent the generation of wheelies.
- the anti-willy control unit 65 when the anti-willy control unit 65 receives the connection signal from the determination unit 61, the anti-willy control unit 65 acquires information on the control signal transmitted to the various actuators and measurement information of the various sensors, and from the data calculation output control unit 63 to the vehicle body 101. The pitch angle is acquired, and the engine is controlled based on the information. As described above, the anti-willy control unit 65 controls the engine based on information obtained from the inertial sensor 30.
- the launch control unit 66 is a part that performs launch control to prevent tire slipping when starting a stopped vehicle.
- Launch control is different from traction control in that it is control at the start, but the control method is basically the same as traction control. That is, the launch control unit 66 acquires the front wheel speed and the rear wheel speed from the front wheel speed sensor 54 and the rear wheel speed sensor 55, respectively, when the disconnect signal is received from the determination unit 61 or when the connection signal is not received. Based on these pieces of information, a target engine output at which the tire does not slip is calculated. Then, the engine is controlled so that the actual engine output becomes the target engine output.
- the launch control unit 66 when the launch control unit 66 receives the connection signal from the determination unit 61, the launch control unit 66 acquires the front wheel speed and the rear wheel speed from the front wheel speed sensor 54 and the rear wheel speed sensor 55, respectively, and the data calculation output control unit 63.
- the bank angle is obtained from the engine and the engine is controlled based on the information.
- the launch control unit 66 controls the engine based on information obtained from the inertial sensor 30.
- the ABS-ECU 70 is a part that realizes an anti-lock brake function that prevents sliding due to a wheel locking in sudden braking.
- the ABS-ECU 70 is electrically connected to the brake control unit 71 via a non-bus wiring, and acquires the presence / absence of the brake operation and the degree (strength) of the brake operation. Also, the rotational speed of the front wheels and the rotational speed of the rear wheels are acquired from the fuel ignition ECU 50 via the network.
- the ABS-ECU 70 performs a predetermined calculation based on the obtained presence / absence and degree of the brake operation, the rotational speed of the front wheels, and the rotational speed of the rear wheels, and then transmits a control signal to the brake control unit 71, The brake is controlled so that no sliding occurs.
- the ABS-ECU 70 activates the anti-lock brake function when it receives a disconnection signal from the determination unit 61 or when it does not receive a connection signal, while it receives an anti-lock brake function when it receives a connection signal from the determination unit 61.
- the driver select whether to enable the lock brake function. In the present embodiment, selection can be made by the operation unit 12 connected to the meter unit 10.
- the ABS-ECU 70 may invalidate the antilock brake function without causing the driver to make a selection.
- the ABS may be weakened or the anti-lock determination may be delayed.
- the brake operation support by any one of the front and rear wheels may be disabled.
- the steering damper ECU 80 is a part that realizes a steering damping function that adjusts the attenuation rate of the steering damper 81 that attenuates the vibration of the steering.
- the steering damper ECU 80 acquires the rotational speed of the front wheels and the rotational speed of the rear wheels from the fuel ignition ECU 50 via the network.
- the steering damper ECU 80 is electrically connected to the steering damper 81 via a non-bus wiring. Then, an appropriate target attenuation rate is calculated based on the rotation speed of the front wheels and the rotation speed of the rear wheels (that is, the vehicle speed), and a control signal is transmitted to the steering damper 81 so that the actual attenuation rate becomes the target attenuation rate. .
- the steering damper ECU 80 When the steering damper ECU 80 receives a disconnection signal from the determination unit 61 or does not receive a connection signal, the steering damper ECU 80 maintains an appropriate relative attenuation rate (target attenuation rate with respect to the vehicle speed) when traveling on a public road.
- a connection signal is received from the unit 61, the driver is made to select a relative attenuation rate. In the present embodiment, selection can be made by the operation unit 12 connected to the meter unit 10.
- the steering damper ECU 80 may change the relative attenuation factor to an appropriate value for traveling on a non-public road such as a circuit without causing the driver to select.
- FIG. 2 is a flowchart of control by the control device 40.
- the control device 40 performs control according to the procedure shown in FIG. Control is started when the main switch is turned on and the power is turned on.
- the control device 40 determines whether or not the inertial sensor 20 is connected to the control device 40 (step S1).
- step S1 determines whether or not the inertial sensor 20 is connected to the control device 40.
- step S1 determines that the inertial sensor 20 is connected to the control device 40 (YES in step S1)
- the control device 40 proceeds to step S2.
- step S1 determines that the inertial sensor 20 is not connected to the control device 40 (NO in step S1)
- the process returns to step S1, and step S1 is repeated until it is determined that the inertial sensor 20 is connected to the control device 40.
- the existing function can be changed so that the existing function can be changed.
- a selection screen for the quick shift function, the antilock brake function, and the steering damping function is displayed on the display unit 11 of the meter unit 10, and the selection operation for changing each function is validated. That is, the existing function cannot be changed unless it is determined that the inertial sensor 20 is connected to the control device 40. In other words, the existing function can be changed only when it is determined that the inertial sensor 20 is connected to the control device 40. The existing function can be changed while traveling.
- the control device 40 displays this on the display unit 11 of the meter unit 10 immediately after shifting to the existing function changeable state.
- the display of the meter unit 10 may be changed to a non-public road, or a switch dedicated for traveling on the non-public road may be displayed on the meter unit 10. You may make it display preferentially the display emphasized in an area
- some functions may be stopped, or some functions may be changed for a circuit.
- step S3 it is determined whether or not each existing function change has been selected.
- the existing function for which the change is selected is changed (step S4).
- the quick shift function is enabled
- the quick shift function is executed when shifting down
- the ABS is turned off when the anti-lock brake function is disabled, and according to the relative attenuation rate when the relative attenuation rate is selected.
- Control the steering damper Thereby, the control performed at the time of driving on a public road can be changed to a different control for non-public road wearing.
- the display unit 11 of the meter unit 10 displays the status of each existing function. Further, when the existing function is changed, the light emitting components such as the direction indicators, the brake lamp, and the position lamp may not be turned on. Thereby, when trying to drive on a public road accidentally with the existing function changed, the driver can be made aware of this error.
- step S5 it is determined whether or not the power is turned off by the main switch. If it is determined that the power has been cut off (YES in step S5), the end operation is executed to end the control. When the power is turned on again, the control is performed again from step S1. At this time, various settings are made on the assumption that the inertial sensor 20 is not connected to the control device 40. Therefore, when the existing function is changed, every time the vehicle is started, the driver needs to actively change the existing function. Thereby, even when the existing function is changed at the time of the previous run, it is possible to prevent the driving support device from being resumed in a state where the existing function is changed undesirably. On the other hand, when it is determined in step S5 that the power is not turned off (NO in step S5), the process returns to step S3.
- the additional function is realized and the driver can change the existing function. Therefore, according to this embodiment, although it is the same vehicle 100, a function can be changed according to a driving
- the inertial sensor 20 is a so-called functional product used for the calculation or control of the additional control unit, but the measurement data measured by the inertial sensor 30 such as the quick shift control unit 62, the ABS-ECU 70, and the steering damper ECU 80. It functions as a dongle that makes it possible to change existing functions unrelated to. Therefore, according to this embodiment, it is not necessary to provide a device such as an authentication device in order to change the control, and the number of components can be reduced. Further, since the control is not changed unless the inertial sensor 20 is attached to the vehicle body 101, the control is not changed by an erroneous operation. Furthermore, since the control device 40 stores a program for performing control for realizing the additional function and a program for performing control after changing the existing function, the control device 40 performs these controls without changing the control device 40. Can be executed.
- the function can be changed by the operation unit 12 connected to the meter unit 10. Therefore, the current control mode can be displayed on the display unit 11 of the meter unit 10, and as a result, the driver can perform selection work based on the current control mode. Therefore, it is easy for the driver to perform the selection work, and erroneous operation can be prevented.
- the inertial sensor 20 and the control device 40 that are additional devices can communicate with each other according to the same communication protocol via the network, and the control device 40 receives the identification signal of the inertial sensor 20 to control the inertial sensor 20. It can be confirmed that it is connected to the device 40. Therefore, the control device 40 can determine whether or not the inertial sensor 20 is connected without setting a complicated program, can easily change the function, and can improve the degree of design freedom.
- the present invention is not limited to the above embodiment, and various additions, changes, or deletions are possible without departing from the gist of the present invention.
- the driving support control is the quick shift function, the anti-lock brake function, and the steering damping function.
- the present invention is not limited to this, and some driving intervention control occurs for the driver's operation. Includes general control.
- the setting of the changed existing function may be continued. Further, after traveling with the existing function changed, when the traveling stop state elapses for a predetermined time, it may be returned to the initial state (setting when the inertial sensor 20 is not connected to the control device 40).
- the additional device that functions as a dongle is the inertial sensor 20
- the additional device a sensor other than the inertial sensor may be used. Even in this case, a function generated by adding another sensor becomes an additional function, and control for realizing the additional function is additional control.
- the part that controls the existing function so that it can be changed compared to before the additional device is connected regardless of the detection results of other sensors is the change control unit.
- a stroke sensor that detects the stroke of the suspension may be used as the additional device.
- the data logger When the data logger outputs an identification signal, the data logger may be an additional device. In this case, the data log function is an additional function.
- An electric steering damper may be used as an additional device.
- whether or not the inertial sensor is connected to the control device 40 is determined based on whether or not the control device 40 can receive the identification signal of the inertial sensor 20 from the network. Information regarding whether or not the inertial sensor 20 is connected to the control device 40 via a non-bus wiring or the like may be acquired.
- the attachment portion 21 to which the inertial sensor 20 is attached is electrically connected to the fuel ignition ECU 50 via a non-bus wiring, and when the inertial sensor 20 is attached to the attachment portion 21, a “mounting signal” is sent to the fuel ignition ECU 50. May be transmitted, and when the inertial sensor 20 is not attached to the attachment portion 21, a “removal signal” may be transmitted to the fuel ignition ECU 50.
- a non-bus wiring is connected to the ground by attaching a dummy harness to the attachment part 21, and when the inertial sensor 20 is attached to the attachment part 21, May be short-circuited.
- the determination unit 61 cannot receive the identification signal of the inertial sensor 20 via the network even though it receives the mounting signal from the attachment unit 21 via the non-bus wiring, It can be determined that a communication problem has occurred. That is, according to this configuration, when the control device 40 cannot receive the identification signal of the inertial sensor 20, it is simply determined whether the inertial sensor 20 is not connected to the control device 40 or there is a problem in bus communication. Can do.
- the driving support device that can select the non-public road mode when the vehicle exists in the non-public road area may be preset such that the non-public road mode cannot be changed when the vehicle exists in the public road area. preferable.
- Inertial sensor load device
- Control Unit 61 Determination Unit 62 Quick Shift Control Unit (Change Control Unit) 63 Data calculation output control unit (additional control unit) 64 Traction control unit (additional control unit) 65 Anti-Willy Control Unit (Additional Control Unit) 66 Launch Control Unit (Additional Control Unit) 70 ABS-ECU (Change Control Unit) 71 Brake control unit 80 Steering damper ECU (change control unit) 81 Steering damper 90 Bus 100 Vehicle 101 Vehicle body
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Abstract
Description
本実施形態では、乗り物100として自動二輪車を例にとって説明するが、乗り物100は自動二輪車の他、自動四輪車、小型四輪車、又は小型滑走艇であってもよい。また、乗り物100は、走行駆動源がエンジンである車両のほか、走行駆動源が電動モータであってもよい。図1は、本実施形態に係る乗り物100の制御系のブロック図である。図1に示すように、乗り物100は、メータユニット10と、慣性センサ20と、データロガー30と、制御装置40と、を備えている。また、制御装置40は、燃料点火ECU(Electric Control Unit)50、ABS(Antilock Brake System)-ECU70、ステアリングダンパECU80、の各電子制御ユニットを有している。なお、制御装置40は、これら以外の電子制御ユニットを有していてもよい。また、制御装置40は、電子制御ユニットを1つ以上有していればよい。
メータユニット10は表示部11を有しており、ネットワークから取得した情報に基づいて所定の内容を表示部11に表示する。また、メータユニット10は、バス90以外の配線(以下、「非バス配線」と称す)を介して、運転者が操作できる操作部(ライダースイッチ)12と電気的に接続されている。運転者が操作部12を操作すると、メータユニット10は操作部12から送信された信号を取得し、予め定められるプログラムを実行することで必要な演算を行って、その結果をネットワークに供給する。
慣性センサ20は、慣性を利用して乗り物本体101の角速度と加速度を測定する装置である。本実施形態の慣性センサ20は、3軸方向の加速度と2軸周りの角速度を測定することができ、慣性センサ20が測定したデータ(以下、「慣性データ」と称す)はネットワークに供給される。また、慣性センサ20は乗り物本体101に着脱可能(後付可能)な付加装置である。本実施形態では、非公道領域、具体的にはサーキット特有の車体制御を行うために慣性センサ20が乗り物本体101に装着される。たとえば、公道領域のみで乗り物100を走行させる運転者のために慣性センサ20が装着されていない乗り物100が用意される。サーキット走行特有の車体制御を希望する運転者は、慣性センサ20が装着されていない乗り物100に慣性センサ20を追加的に装着する。
データロガー30は、ネットワークに供給された情報を一定の時間間隔で取得し、時系列でその情報を保存する装置である。データロガー30も慣性センサ20と同様に乗り物本体101に着脱可能(後付可能)である。なお、データロガー30からはネットワークに情報を供給することはないため、データロガー30は識別番号を有していなくてもよい。データロガー30は、車速、スロットル開度、変速比などの走行時の運転状態を示す情報を走行後に確認するために乗り物本体101に装着される。たとえば、走行時の運転状態の確認が不要な運転者のためにデータロガー30が装着されていない乗り物100が用意される。走行時の運転状態の確認を希望する運転者は、データロガー30が装着されていない乗り物100にデータロガー30を追加的に装着する。
燃料点火ECU50は、エンジン全体を制御するユニットである。燃料点火ECU50は、非バス配線を介して、各種センサ(スロットルレバー52、ギアポジションセンサ53、前輪速度センサ54、及び後輪速度センサ55等)と電気的に接続されており、各種センサから送信される信号に基づいてスロットルグリップ回転角度、変速比、前輪の回転速度、及び後輪の回転速度等を取得する。また、燃料点火ECU50は、エンジンの各種アクチュエータ(点火プラグ56、インジェクタ57、及びスロットル弁58のアクチュエータ等)と非バス配線を介して電気的に接続されており、これらの各種アクチュエータに制御信号を送信し、点火タイミング、燃料噴射量、スロットル弁の開度を調整することによりエンジンを制御する。
判定部61は、慣性センサ20が制御装置40に接続されたか否かを判定する部分である。前述のとおり、慣性センサ20がネットワークに接続されているとき、慣性センサ20は識別信号とともに慣性データを示す信号をネットワークに送信する。判定部61は、慣性センサ20の識別信号を記憶しており、ネットワークを介して慣性センサ20の識別信号を受信した場合には慣性センサ20が制御装置40に接続されたと判定する。一方、判定部61は、慣性センサ20の識別信号を受信できない場合には慣性センサ20が制御装置40に接続されていないと判定する。
クイックシフト制御部62は、クラッチレバーの操作を行わずにシフトペダルの操作のみでシフトチェンジができるようにするクイックシフト機能を実現する部分である。クイックシフト制御部62は、ギアポジションセンサ53から送信された信号に基づいて変速比を取得し、変速の際にトランスミッションとエンジン51の回転数が合うようにエンジン51を制御する。トランスミッションとエンジン51の回転数が合えば、クラッチレバーの操作を行わなくともシフトペダルの操作のみでシフトチェンジが可能となる。
データ演算出力制御部63は、判定部61から接続信号を受信したとき、慣性センサ20、前輪速度センサ54、および後輪速度センサ55から、慣性データ、前輪回転数、及び後輪回転数を取得し、これらの情報に基づいて乗り物本体101のバンク角(運転者から見て左右方向の傾斜角度)、及びピッチ角(運転者から見て前後方向の傾斜角度)を算出する。そして、その算出結果をネットワークに供給する。ネットワークに供給された算出結果は、前述のデータロガー30に記録される。
トラクション制御部64は、タイヤの空転(スリップ)を防ぐトラクション制御を行う部分である。トラクション制御部64は、判定部61から切断信号を受信したとき、あるいは接続信号を受信しないときには、前輪速度センサ54及び後輪速度センサ55からそれぞれ前輪回転数及び後輪回転数を取得し、これらの情報に基づいてタイヤが空転しない目標エンジン出力を算出する。そして、実際のエンジン出力が、目標エンジン出力となるようにエンジンを制御する。一方、トラクション制御部64は、判定部61から接続信号を受信したとき、前輪速度センサ54及び後輪速度センサ55からそれぞれ前輪回転数及び後輪回転数を取得するとともに、データ演算出力制御部63から乗り物本体101のバンク角を取得し、これらの情報に基づいてエンジンを制御する。このように、トラクション制御部64は、慣性センサ30から得られる情報に基づいてエンジンを制御する。
アンチウィリー制御部65は、乗り物本体101がウィリーするのを防止するアンチウィリー制御を行う部分である。アンチウィリー制御部65は、判定部61から切断信号を受信したとき、あるいは接続信号を受信しないときには、各種アクチュエータに送信した制御信号に関する情報及び各種センサの測定情報を取得し、これらの情報に基づいて乗り物本体101がウィリーしている又はウィリーする可能性が高いか否かを判断する。そして、乗り物本体101がウィリーしている又はウィリーする可能性が高いと判断した場合には、エンジンの出力を低下してウィリーの発生を防止する。一方、アンチウィリー制御部65は、判定部61から接続信号を受信したとき、各種アクチュエータに送信した制御信号に関する情報及び各種センサの測定情報を取得するとともに、データ演算出力制御部63から乗り物本体101のピッチ角を取得し、これらの情報に基づいてエンジンを制御する。このように、アンチウィリー制御部65は、慣性センサ30から得られる情報に基づいてエンジンを制御する。
ラウンチ制御部66は、停止している乗り物をスタートさせるときにタイヤの空転を防ぐラウンチ制御を行う部分である。ラウンチ制御は、スタート時における制御である点でトラクション制御と異なるが、制御方法はトラクション制御と基本的に同じである。つまり、ラウンチ制御部66は、判定部61から切断信号を受信したとき、あるいは接続信号を受信しないときには、前輪速度センサ54及び後輪速度センサ55からそれぞれ前輪回転数及び後輪回転数を取得し、これらの情報に基づいてタイヤが空転しない目標エンジン出力を算出する。そして、実際のエンジン出力が、目標エンジン出力となるようにエンジンを制御する。一方、ラウンチ制御部66は、判定部61から接続信号を受信したとき、前輪速度センサ54及び後輪速度センサ55からそれぞれ前輪回転数及び後輪回転数を取得するとともに、データ演算出力制御部63からバンク角を取得し、これらの情報に基づいてエンジンを制御する。このように、ラウンチ制御部66は、慣性センサ30から得られる情報に基づいてエンジンを制御する。
ABS-ECU70は、急ブレーキにおいて、車輪がロックすることによる滑走を防止するアンチロックブレーキ機能を実現する部分である。ABS-ECU70は、ブレーキ制御ユニット71と非バス配線を介して電気的に接続されており、ブレーキ操作の有無及びブレーキ操作の程度(強さ)を取得する。また、ネットワークを介して、燃料点火ECU50から前輪の回転速度及び後輪の回転速度を取得する。さらに、ABS-ECU70は、取得したブレーキ操作の有無及び程度、前輪の回転速度、並びに後輪の回転速度に基づいて所定の演算を行ったうえで、ブレーキ制御ユニット71に制御信号を送信し、滑走が生じないようブレーキを制御する。
ステアリングダンパECU80は、ステアリングの振動を減衰するステアリングダンパ81の減衰率を調整するステアリングダンピング機能を実現する部分である。ステアリングダンパECU80は、ネットワークを介して、燃料点火ECU50から前輪の回転速度及び後輪の回転速度を取得する。また、ステアリングダンパECU80は、ステアリングダンパ81と非バス配線を介して電気的に接続されている。そして、上記の前輪の回転速度及び後輪の回転速度(すなわち車速)に基づいて適切な目標減衰率を算出し、実際の減衰率が目標減衰率となるようステアリングダンパ81に制御信号を送信する。
次に、制御装置40が行う制御の流れについて説明する。図2は、制御装置40による制御のフローチャートである。制御装置40は、図2に示す手順で制御を行う。メインスイッチをオンにして電源が投入されると、制御が開始される。制御が開始されると、まず、制御装置40(判定部61)は慣性センサ20が制御装置40に接続されているか否かを判定する(ステップS1)。なお、電源投入時においては、慣性センサ20が制御装置40に接続されていないと仮定して各種の設定が行われる。
40 制御部
61 判定部
62 クイックシフト制御部(変更制御部)
63 データ演算出力制御部(付加制御部)
64 トラクション制御部(付加制御部)
65 アンチウィリー制御部(付加制御部)
66 ラウンチ制御部(付加制御部)
70 ABS-ECU(変更制御部)
71 ブレーキ制御ユニット
80 ステアリングダンパECU(変更制御部)
81 ステアリングダンパ
90 バス
100 乗り物
101 乗り物本体
Claims (6)
- 乗り物本体に設けられた制御装置と、
前記乗り物本体に着脱可能に設けられた付加装置と、
前記乗り物本体に設けられて、制御装置に電気的に接続され、前記付加装置とは異なる既存装置と、を備え、
前記制御装置は、
前記付加装置が前記制御装置に接続されていると判定したとき、前記付加装置を用いて得られる付加機能を実現する制御を行う付加制御部と、
前記付加装置が前記制御装置に接続されていると判定したとき、既存装置を用いて得られる既存機能を付加装置接続前に比べて変更可能に制御を行う変更制御部と、を有する、乗り物。 - 前記判定部は、前記付加装置から送信される付加装置固有の識別信号を記憶しており、記憶している識別信号が前記付加装置から送信される信号に含まれるかに基づいて、前記付加装置が前記制御装置に接続されたか否かを判定する、請求項1に記載の乗り物。
- 前記変更制御部は、運転者による運転操作を支援するための運転支援制御を付加装置接続前に比べて変更する、請求項1又は2に記載の乗り物。
- 前記変更制御部は、付加装置接続前に比べて運転操作の支援の態様を運転者が選択できるように構成されている、請求項3に記載の乗り物。
- 前記付加装置は、既存装置が制御装置に対して信号のやり取りを行う通信プロトコルに従って制御装置に接続される、請求項1乃至4のうちいずれか一の項に記載の乗り物。
- 既存装置が乗り物本体に設けられ、付加装置が前記乗り物本体に着脱可能である乗り物の制御方法であって、
前記付加装置が前記乗り物本体に装着されていると判定したとき、前記付加装置を用いて得られる機能を実現する制御を行うとともに、前記既存装置を用いて得られる既存機能を付加装置接続前に比べて変更可能に制御を行う、制御方法。
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JP2017066988A (ja) * | 2015-09-30 | 2017-04-06 | 株式会社ケーヒン | エンジン制御装置 |
JP2018105488A (ja) * | 2016-12-28 | 2018-07-05 | スズキ株式会社 | 防振構造 |
JP6400249B1 (ja) * | 2017-07-26 | 2018-10-03 | 三菱電機株式会社 | 運転制御システムおよび運転支援方法 |
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EP3093198A4 (en) | 2017-08-23 |
EP3093198B1 (en) | 2021-04-14 |
US9896111B2 (en) | 2018-02-20 |
JP6294356B2 (ja) | 2018-03-14 |
JPWO2015104782A1 (ja) | 2017-03-23 |
JP6375310B2 (ja) | 2018-08-15 |
EP3093198A1 (en) | 2016-11-16 |
US20160339924A1 (en) | 2016-11-24 |
US20160311444A1 (en) | 2016-10-27 |
JPWO2015104816A1 (ja) | 2017-03-23 |
WO2015104816A1 (ja) | 2015-07-16 |
EP3093197A4 (en) | 2017-07-19 |
EP3093197A1 (en) | 2016-11-16 |
EP3093197B1 (en) | 2022-08-03 |
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