WO2022190576A1 - 支援装置および鞍乗型車両 - Google Patents
支援装置および鞍乗型車両 Download PDFInfo
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- WO2022190576A1 WO2022190576A1 PCT/JP2021/048080 JP2021048080W WO2022190576A1 WO 2022190576 A1 WO2022190576 A1 WO 2022190576A1 JP 2021048080 W JP2021048080 W JP 2021048080W WO 2022190576 A1 WO2022190576 A1 WO 2022190576A1
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- vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/027—Parking aids, e.g. instruction means
- B62D15/028—Guided parking by providing commands to the driver, e.g. acoustically or optically
-
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/06—Automatic manoeuvring for parking
-
- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
- B60W40/06—Road conditions
- B60W40/076—Slope angle of the road
-
- 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
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
-
- 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
- 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
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D15/00—Steering not otherwise provided for
- B62D15/02—Steering position indicators ; Steering position determination; Steering aids
- B62D15/021—Determination of steering angle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J27/00—Safety equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J3/00—Acoustic signal devices; Arrangement of such devices on cycles
- B62J3/10—Electrical devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/20—Cycle computers as cycle accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
- B62J45/40—Sensor arrangements; Mounting thereof
- B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
- B62J45/415—Inclination sensors
- B62J45/4151—Inclination sensors for sensing lateral inclination of the cycle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
- B62J50/00—Arrangements specially adapted for use on cycles not provided for in main groups B62J1/00 - B62J45/00
- B62J50/20—Information-providing devices
- B62J50/21—Information-providing devices intended to provide information to rider or passenger
- B62J50/22—Information-providing devices intended to provide information to rider or passenger electronic, e.g. displays
-
- 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
- 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
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/143—Alarm means
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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
- 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
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
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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
- B60W2300/00—Indexing codes relating to the type of vehicle
- B60W2300/36—Cycles; Motorcycles; Scooters
-
- 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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/18—Steering angle
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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
- B60W2552/00—Input parameters relating to infrastructure
- B60W2552/15—Road slope, i.e. the inclination of a road segment in the longitudinal direction
Definitions
- the present invention mainly relates to a support device that can be mounted on a straddle-type vehicle.
- Patent Document 1 describes a technique for displaying a guide display during parking operation on an in-vehicle display device.
- straddle-type vehicle such as a motorcycle
- the parking operation of a straddle-type vehicle is often performed by pushing and pulling the vehicle body (so-called "handling") by the driver himself while the engine of the vehicle is stopped.
- handling can also be found in straddle-type vehicles.
- An exemplary object of the present invention is to enable the parking operation of a straddle-type vehicle to be realized relatively easily.
- One aspect of the present invention relates to a support device, the support device comprising: A support device for supporting operation of a straddle-type vehicle, acquisition means for acquiring steering angle information indicating the steering angle of the straddle-type vehicle and tilt angle information indicating the tilt of the body of the straddle-type vehicle; calculation means for calculating a trajectory of the straddle-type vehicle when the straddle-type vehicle is maneuvered based on the steering angle information and the tilt angle information; and output means for outputting information indicating the trajectory.
- FIG. 1 is a diagram showing a configuration example of a straddle-type vehicle according to an embodiment
- FIG. 4 is a flowchart showing an example of the contents of arithmetic processing of the support device
- 4A and 4B are views showing examples of display images
- FIG. 4 is a flowchart showing another example of the contents of arithmetic processing of the support device
- FIG. 4 is a flowchart showing another example of the contents of arithmetic processing of the support device; 4 is a flowchart showing another example of the contents of arithmetic processing of the support device; The figure which shows the other example of a display image.
- FIG. 10 is a diagram showing another example of the configuration of the straddle-type vehicle;
- FIG. 1 shows a configuration example of a straddle-type vehicle 1 according to the first embodiment.
- the straddle-type vehicle 1 is a vehicle that can be operated by a driver straddling the vehicle body, and a typical example thereof is a motorcycle. While not performing driving operation, the driver pushes and pulls the straddle-type vehicle 1 with his/her own hand (performs so-called "handling"; hereinafter simply referred to as "handling"). Generally, maneuvering is performed during parking operation.
- the straddle-type vehicle 1 is provided with front wheels and rear wheels as the wheels 2, but in another embodiment, the number of front wheels and/or rear wheels may be two or more.
- the front wheels 2 function as steering wheels, and the driver can change the direction of the front wheels 2 by rotating a handlebar as a steering device 9 with respect to the vehicle body.
- the rear wheels 2 function as drive wheels, and the power of the power source is transmitted to the rear wheels 2 via a predetermined power transmission engine.
- the detection device 3 is capable of detecting various information related to the straddle-type vehicle 1, and includes a vehicle state detection device 3a, a surrounding environment detection device 3b, and a driver detection device 3c in this embodiment.
- the vehicle state detection device 3a can detect the state of the straddle-type vehicle 1, and can detect, for example, the vehicle speed, the steering angle, and the inclination of the vehicle body.
- known detection sensors may be used for these detections, and in this embodiment, a vehicle speed sensor, a steering angle sensor, and an acceleration sensor are used to detect the vehicle speed, steering angle, and vehicle body tilt, respectively. do.
- the surrounding environment detection device 3b can detect objects around the straddle-type vehicle 1, and is mounted at one or more positions on the vehicle body facing outward from the vehicle body. Examples of objects include things that should be avoided by the saddle-ride type vehicle 1, such as things installed on the road and other vehicles.
- the surrounding environment detection device 3b one capable of detecting the relative position (distance, direction, etc.) of an object with respect to the straddle-type vehicle 1 is used, and a camera is used in this embodiment.
- radar millimeter wave radar
- LiDAR Light Detection and Ranging
- the driver detection device 3c can detect the state of the driver, and one or more are installed facing the seat Sh on which the driver sits.
- the driver detection device 3c detects, for example, the state of the driver performing the driving operation while driving, and detects the state of the driver performing the handling during handling.
- a camera is used for the driver detection device 3c, but radar, LiDAR, or the like may be used as another embodiment.
- the display device 4 can display information useful for driving operation or driving assistance so that the driver can visually recognize it, for example, it can display vehicle speed, map data, and the like. Although the details will be described later, the display device 4 can also display support information for handling.
- a liquid crystal display may be used as the display device 4, or a touch panel display capable of receiving an operation input from the driver may be used.
- the sound source device 5 can notify the driver of information useful for driving operation or driving support by voice guidance.
- a known speaker may be used for the sound source device 5 .
- the support device 6 includes a CPU (Central Processing Unit) 61 , a memory 62 and a communication interface 63 . Although the details will be described later, the support device 6 provides, via the display device 4 and/or the sound source device 5, support information that enables the driver to properly perform the handling. Arithmetic processing for support is performed by the CPU 61 developing and executing a predetermined program on the memory 62 .
- the functionality of the support device 6 can also be realized by an ASIC (Application Specific Integrated Circuit), ie both by hardware and by software.
- ASIC Application Specific Integrated Circuit
- All of the devices 3 to 6 described above are in-vehicle units that can be mounted on the saddle type vehicle 1.
- FIG. 2 is a flowchart showing the content of arithmetic processing by the support device 6.
- FIG. This flowchart is mainly executed by the CPU 61, and its outline is to calculate the trajectory of the straddle-type vehicle 1 based on the steering angle of the straddle-type vehicle 1 and the inclination of the vehicle body.
- step S1000 it is determined whether or not the straddle-type vehicle 1 is in a stopped state (whether or not the power source is in a resting state). . If the straddle-type vehicle 1 is in a stopped state, proceed to S1010; otherwise, return to S1000. That is, the contents of this flowchart are performed when the straddle-type vehicle 1 is in a stopped state.
- the CPU 61 functions as a determination section.
- steering angle information i11 indicating the steering angle of the straddle-type vehicle 1 is acquired.
- the steering angle information i11 can be obtained based on the detection result of the vehicle state detection device 3a of the detection device 3, and indicates, for example, the rotation angle of the handlebar (or the rotation angle of the front wheels 2) with respect to the vehicle body.
- the CPU 61 functions as an acquisition unit.
- the tilt angle information i12 indicating the tilt of the body of the straddle-type vehicle 1 is obtained.
- the tilt angle information i12 can be acquired based on the detection result of the vehicle state detection device 3a of the detection device 3, and indicates, for example, the posture of the vehicle body with respect to the direction of gravity.
- the CPU 61 functions as an acquisition unit in S1020.
- the trajectory R1 of the straddle-type vehicle 1 when the driver handles the straddle-type vehicle 1 is calculated based on the steering angle information i1 and the tilt angle information i2. For example, if the handlebar is turned to the left (or right) with respect to the vehicle body, the straddle-type vehicle 1 turns left (or right) during handling. Also, if the vehicle body is tilted to the left (or right) with respect to the direction of gravity, the straddle-type vehicle 1 will turn left (or right) during handling. Therefore, the turning radius during maneuvering can be calculated based on the turning angle (steering angle) of the handlebar and the inclination of the vehicle body, and accordingly the trajectory R1 can be calculated. In S1030, the CPU 61 functions as a calculator.
- information indicating the trajectory R1 is output to the display device 4.
- the information indicating the trajectory R1 may be output to the sound source device 5, that is, to any in-vehicle unit capable of notifying the driver of the information.
- the CPU 61 functions as an output unit, a display unit and/or a notification unit.
- FIG. 3 shows an example of the image IM displayed on the display device 4 in S1040.
- a path R1 that is considered to be drawn by the straddle-type vehicle 1 based on the current steering angle and vehicle body inclination when the driver performs maneuvering is displayed as a locus R1.
- a top view image (viewpoint when looking directly below the vehicle body of the saddle-ride type vehicle 1 or a plan view) is shown as the display image IM.
- the IM may be a perspective view from a given virtual point.
- S1050 it is determined whether or not to stop outputting the display image IM. If the output of the display image IM is to be stopped, this flowchart ends, otherwise the process returns to S1000.
- the display device 4 may be a touch panel display capable of accepting input from the driver. Therefore, S1050 may be executed in response to a predetermined operation input on the touch panel display.
- the CPU 61 functions as a determination unit.
- the support device 6 assists in handling, thereby allowing the driver to perform appropriate handling while referring to the display device 4 . Since handling is generally performed during parking operation, according to the present embodiment, the parking operation of the straddle-type vehicle 1 can be realized relatively easily.
- a desired stop position of the straddle-type vehicle 1 can be set as a target stop position when the parking operation is performed by maneuvering. Therefore, it is preferable that the support device 6 assists in handling so that the straddle-type vehicle 1 is guided to the set stop position.
- FIG. 4 shows the content of arithmetic processing of the support device 6 according to the second embodiment, similarly to the above-described first embodiment (see FIG. 2). Note that S1000 to S1050 in the figure are the same as in the first embodiment.
- the stop position P1 is set as the target stop position of the straddle-type vehicle 1 .
- the display device 4 may be a touch panel display capable of accepting input from the driver. Therefore, the stop position P1 may be set according to a predetermined operation input on the touch panel display. If the operation input has been received, the process proceeds to S2020; otherwise, the process proceeds to S1050.
- the CPU 61 functions as a reception unit and/or a setting unit.
- a route R2 for guiding the straddle-type vehicle 1 to the stop position P1 is calculated. This calculation may be performed based on the stop position P1 set in S2010 and the current position of the straddle-type vehicle 1.
- FIG. in S2020, the CPU 61 functions as a calculator.
- the detection device 3 can detect objects around the straddle-type vehicle 1 and the relative position of the driver who handles the straddle-type vehicle 1 with respect to the straddle-type vehicle 1 .
- Objects around the straddle-type vehicle 1 can be detected by the surrounding environment detection device 3b.
- the relative position of the driver with respect to the straddle-type vehicle 1 can be detected by the driver detection device 3c.
- the route R2 should be calculated so that the driver does not interfere with the object. For example, when several objects are detected, the route R2 is calculated so that the distance between each of the detected objects and the straddle-type vehicle 1 does not fall below the reference.
- the steering angle information i21 and the tilt angle information i22 that enable the route R2 to be realized are calculated.
- the turning radius during maneuvering can be calculated based on the rotation angle (steering angle) of the handlebar and the inclination of the vehicle body, and accordingly the trajectory R1 can be calculated.
- the route R2 to be realized it can be said that the rotation angle of the handlebar and the inclination of the vehicle body for realizing the route R2 can be calculated. Therefore, the steering angle information i21 and the tilt angle information i22 can be calculated based on the route R2.
- the CPU 61 functions as a calculator.
- S2040 information based on the steering angle information i21 and the tilt angle information i22 is output to the display device 4.
- information indicating the difference between the steering angle information i11 and i21 and the difference between the tilt angle information i12 and i22 are output, and this information is the information output in S1040 (that is, the locus R1 ) and displayed on the display device 4 .
- the CPU 61 functions as an output unit, display unit and/or notification unit.
- FIG. 5 shows an example of the display image IM in this embodiment.
- the trajectory R1 is displayed, and guidance INF1 of the rotation angle of the handlebar and the inclination of the vehicle body that enables the realization of the route R2 is displayed.
- the image IM may include increasing the rotation angle of the handlebar, decreasing the rotation angle or maintaining the rotation angle, and/or increasing the tilt of the vehicle body and decreasing the tilt.
- a guidance INF1 to maintain the tilt can be displayed.
- the route R2 may also be displayed in the image IM.
- the driver can perform more appropriate handling while referring to the display device 4, and can appropriately guide the straddle-type vehicle 1 to the stop position P1.
- the turning radius for maneuvering can be achieved by combining the turning angle of the handlebar and the tilt of the vehicle body. is preferred. For example, if it is possible to achieve a certain turning radius by changing only the turning angle of the handlebar, or if it is possible by changing only the tilt of the vehicle body, both of them are changed. There are three possible cases; In addition, when both the rotation angle of the handlebar and the inclination of the vehicle body are to be changed, information for deciding which of them should be changed with priority (which one should be increased in operation amount) is also provided. may be necessary.
- the rough road mentioned above refers to a road surface that does not meet the conditions for the vehicle to demonstrate its standard driving performance. Examples include unpaved road surfaces (e.g., gravel roads), road surfaces with height differences greater than the standard (so-called uneven road surfaces), and road surfaces that are wetter than the standard (road surfaces with puddles, snow, etc.). .
- unpaved road surfaces e.g., gravel roads
- road surfaces with height differences greater than the standard so-called uneven road surfaces
- road surfaces that are wetter than the standard road surfaces with puddles, snow, etc.
- FIG. 6 shows the content of arithmetic processing of the support device 6 according to the third embodiment, similarly to the above-described second embodiment (see FIG. 4). Note that S1000 to S1050 in the figure are the same as in the first embodiment, and S2010 to S2040 are the same as in the second embodiment.
- road surface environment information (or surrounding environment information) i9 indicating the road surface environment around the saddle type vehicle 1 is further acquired.
- the condition of the road surface around the saddle-riding vehicle 1 can be evaluated based on the road surface environment information i9, and it can be determined whether or not the road surface is rough.
- the road surface environment information i9 can be detected by the surrounding environment detection device 3b of the detection device 3.
- FIG. Although S3010 is performed before S1010 in this embodiment, it may be performed before S2030.
- the CPU 61 functions as an acquisition unit.
- the steering angle information i21 and the tilt angle information i22 that enable the route R2 to be realized are calculated.
- the tilt of the vehicle body indicated by the tilt angle information i22 is reduced with respect to the steering angle information i21 and the tilt angle information i22 calculated in S2030, and the tilt angle indicated by the steering angle information i21 is reduced.
- Conversion processing is performed to increase the steering angle. That is, the steering angle information i21 and the tilt angle information i22 calculated in S2030 are converted into information that can equivalently realize the route R2 calculated in S2020 and that makes it difficult for the wheels 2 to skid. From this point of view, conversion and conversion processing may be rephrased as correction and correction processing, respectively.
- the guidance INF1 that suppresses tilting of the vehicle body is displayed on the display device. 4 will be displayed. This makes it possible to prevent the wheels 2 from skidding when the vehicle body is tilted while the driver is handling the vehicle. Therefore, according to the present embodiment, in addition to obtaining the effects of the second embodiment, it is possible to equivalently achieve a similar turning radius and provide support capable of realizing appropriate handling.
- FIG. 7 shows the content of arithmetic processing of the support device 6 according to the fourth embodiment, similarly to the above-described second embodiment (see FIG. 4). Note that S1000 to S1050 in the figure are the same as in the first embodiment, and S2010 to S2040 are the same as in the second embodiment.
- the degree of inclination of the road surface at the stop position P1 is detected.
- the degree of inclination of the road surface at the stop position P1 can be detected by the detection device 3, typically based on the detection results of both the vehicle state detection device 3a (e.g., acceleration sensor) and the surrounding environment detection device 3b. detectable.
- the route R2 may be calculated so that the front of the vehicle body is higher than the rear of the vehicle body when the straddle-type vehicle 1 is stopped at the stop position P1. .
- the degree of inclination satisfies the reference there is a case where the inclination in the longitudinal direction of the vehicle body of the straddle-type vehicle 1 stopped at the stop position P1 is 20 degrees or more.
- FIG. 8 shows an example of the display image IM in this embodiment.
- the road surface of the stop position P1 is inclined so that the left side of the image IM is high and the right side of the image IM is low (the left side of the image IM is the upper side of the slope and the right side of the image IM is the lower side of the slope).
- the route R2 and its guide INF1 are displayed in the image IM so that the driver can visually recognize it. According to the present embodiment, support that can realize more appropriate handling is provided.
- the straddle-type vehicle 1 approaches the stop position P1 from the rear of the vehicle body. Therefore, as shown in FIG. It is preferable that the types are displayed so as to be different from each other.
- FIG. 9 shows a configuration example of a straddle-type vehicle 1 according to the fifth embodiment.
- the straddle-type vehicle 1 further comprises an evaluation device 7 .
- the evaluation device 7 can evaluate the possibility of overturning of the straddle-type vehicle 1 based on the detection result of the detection device 3 .
- the evaluation device 7 can evaluate the possibility of overturning of the saddle-ride type vehicle 1 based on the state of the driver who handles the saddle-ride type vehicle 1 and the state of the saddle-ride type vehicle 1 .
- the state of the driver performing handling can be detected by the driver detection device 3c, and the state of the straddle-type vehicle 1 can be detected by the vehicle state detection device 3a and/or the driver detection device 3c.
- the functions of the evaluation device 7 can be realized by both hardware and software, like the support device 6 .
- the support device 6 When the evaluation device 7 evaluates that the straddle-type vehicle 1 may overturn, the support device 6 preferably notifies the driver Rd of that fact. This notification may be made by a display on the display device 4, or may be made by a warning sound or an audio guide by the sound source device 5. FIG. According to the present embodiment, support that can realize more appropriate handling is provided.
- the support device 6 may display only the steering angle information i21 that enables the route R2 to be realized on the display device 4 based on the tilt angle information i12 that is periodically acquired and updated.
- the guidance INF1 indicating how to adjust the turning angle of the handlebar is periodically updated, and when the driver tilts the vehicle body, the guidance INF1 is updated accordingly. It will be done.
- the driver can handle the vehicle while paying attention only to the turning angle of the handlebar.
- the update cycle may be, for example, several tens to several hundreds [milliseconds (msec)].
- each element is indicated by a name related to its function for ease of understanding, but each element is not limited to having the content described in the embodiment as a main function. It may be one that does not have it and that has it as an auxiliary. Therefore, each element is not strictly limited to its representation, and its representation can be replaced with a similar representation.
- the expression “apparatus” is used to refer to "unit”, “component, piece”, “member”, “structure”, “assembly”. assembly)” or the like, or may be omitted.
- a first aspect relates to a support device (eg, 6), said support device comprising: A support device for supporting the operation of a straddle-type vehicle (for example, 1), Acquisition means (for example, S1010 to S1020) for acquiring steering angle information (for example, i11) indicating the steering angle of the straddle-type vehicle and tilt angle information (for example, i12) indicating the tilt of the body of the straddle-type vehicle; , Calculation means for calculating a trajectory of the saddle-ride type vehicle when the saddle-ride type vehicle is maneuvered (the driver pushes and pulls the vehicle by hand) based on the steering angle information and the inclination angle information.
- the driver can maneuver the straddle-type vehicle based on the information output to the vehicle-mounted unit such as the display device, and can appropriately park the straddle-type vehicle. It becomes possible.
- the steering angle information as first steering angle information (for example, i11) and the tilt angle information as first tilt angle information (for example, i12)
- the calculating means calculates second steering angle information (for example, i21) and second tilt angle information (for example, i22) for the straddle-type vehicle to reach the stop position through the handling. do.
- the driver can appropriately guide the straddle-type vehicle to the stop position by handling.
- the output means further outputs information based on the second steering angle information and the second tilt angle information. As a result, the driver can appropriately handle the vehicle.
- the output means outputs information indicating a difference between the first steering angle information and the second steering angle information and a difference between the first tilt angle information and the second tilt angle information. Characterized by As a result, the driver can appropriately handle the vehicle.
- the acquisition means further acquires road surface environment information (for example, i9) indicating the road surface environment,
- road surface environment information for example, i9
- the calculation means reduces the tilt of the vehicle body indicated by the second tilt angle information with respect to the second steering angle information and the second tilt angle information. and performing conversion processing to increase the steering angle indicated by the second steering angle information. As a result, the driver can handle the vehicle more appropriately.
- the road surface environment information satisfies a predetermined condition
- a seventh aspect relates to a straddle-type vehicle (for example, 1), wherein the straddle-type vehicle comprises: It is characterized by comprising the aforementioned support device (eg 6) and wheels (eg 2). That is, the support device described above is applicable to a typical straddle-type vehicle.
- the output means further comprises a display device (4, for example) as an in-vehicle unit for outputting information indicating the trajectory.
- a display device (4, for example) as an in-vehicle unit for outputting information indicating the trajectory.
- the output means further includes a sound source device (for example, 5) as an in-vehicle unit for outputting information indicating the trajectory.
- a sound source device for example, 5
- the assistance provided by the assistance device can be provided, for example, by an audio guide.
- a detection device e.g. 3
- an evaluation device e.g. 7
- the detection device detects the state of the driver who performs the handling and the state of the saddle-ride type vehicle, and the evaluation device determines whether the saddle-ride type vehicle can fall based on the detection result of the detection device. It is characterized by evaluating sexuality. As a result, the driver can handle the vehicle more appropriately.
- An eleventh aspect relates to a straddle-type vehicle (eg, 1), wherein the straddle-type vehicle comprises: Equipped with the aforementioned support device (eg 6), a wheel (eg 2) and a detection device (eg 3),
- the detection device detects an object in the vicinity of the saddle-ride type vehicle, and also detects the relative position of the driver performing the handling with respect to the saddle-ride type vehicle,
- the calculation means calculates a route (for example, R2) for guiding the straddle-type vehicle to the stop position by the maneuvering and in which the driver does not interfere with the object. and calculating the second steering angle information and the second tilt angle information that enable the route to be realized.
- the driver can handle the vehicle more appropriately.
- a twelfth aspect relates to a straddle-type vehicle (eg, 1), wherein the straddle-type vehicle comprises: Equipped with the aforementioned support device (eg 6), a wheel (eg 2) and a detection device (eg 3), The detection device detects the degree of inclination of the road surface serving as the stop position, When the degree of inclination satisfies the reference, the calculation means stops the straddle-type vehicle at the stop position, which is a route for guiding the straddle-type vehicle to the stop position by the handling.
- a route (for example, R2) is calculated so that the front of the vehicle body is higher than the rear of the vehicle body, and the second steering angle information and the second tilt angle information that enable the route to be realized are calculated. It is characterized by As a result, the straddle-type vehicle can be appropriately stopped at the stop position even on an inclined road surface.
- straddle-type vehicle 6: support device, i11 and i21: steering angle information, i12 and i22: tilt angle information.
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Abstract
Description
鞍乗型車両の操作を支援する支援装置であって、
前記鞍乗型車両の操舵角を示す操舵角情報と、前記鞍乗型車両の車体の傾きを示す傾斜角情報とを取得する取得手段と、
前記鞍乗型車両の取り回しを行った場合の前記鞍乗型車両の軌跡を前記操舵角情報および前記傾斜角情報に基づいて算出する算出手段と、
前記軌跡を示す情報を出力する出力手段と、を備える
ことを特徴とする。
本発明のその他の特徴及び利点は、添付図面を参照とした以下の説明により明らかになるであろう。なお、添付図面においては、同じ若しくは同様の構成には、同じ参照番号を付す。
図1は、第1実施形態に係る鞍乗型車両1の構成例を示す。鞍乗型車両1は、運転者が車体を跨いで運転操作を行うことが可能な車両であり、その典型例としては自動二輪車が挙げられる。運転操作を行わない間、運転者は、自身の手で鞍乗型車両1を押し引きする(いわゆる「取り回し」を行う。以下の説明において単に「取り回し」という。)。一般に、取り回しは駐車動作の際に行われる
本実施形態において、鞍乗型車両1は、車輪2、検出装置3、表示装置4、音源装置5および支援装置6を備える。本実施形態では、鞍乗型車両1は車輪2として前輪および後輪を備えるものとするが、他の実施形態として前輪及び/又は後輪の数量は2以上であってもよい。前輪2は操舵輪として機能し、運転者は、操舵装置9としてのハンドルバーを車体に対して回動させることにより前輪2の向きを変えることができる。尚、後輪2は駆動輪として機能し、動力源の動力が所定の動力伝達機関を介して後輪2に伝達される。
一般に、取り回しにより駐車動作を行う際、鞍乗型車両1について所望の停止位置が目標停止位置として設定されうる。そのため、支援装置6による取り回しの支援は、該設定された停止位置に鞍乗型車両1が導かれるように行われるとよい。
前述の第2実施形態では、支援装置6による取り回しの支援において、S2040の結果、経路R2を実現可能にするハンドルバーの回動角および車体の傾きの案内INF1が画像IMに表示されることを述べた(図4~図5参照)。
一般に、鞍乗型車両1の停止位置P1となる路面が傾斜している(水平でない)場合には、鞍乗型車両1は、車体の前方が車体の後方より高くなるように停止されることが求められうる。そのような場合、S2020にて算出される経路R2は、鞍乗型車両1を停止位置P1にて停止させた際に車体の前方が車体の後方より高くなるように設定されるとよい。
図9は、第5実施形態に係る鞍乗型車両1の構成例を示す。鞍乗型車両1は、評価装置7を更に備える。評価装置7は、検出装置3の検出結果に基づいて鞍乗型車両1の転倒の可能性を評価することができる。
運転者がハンドルバーの回動角および車体の傾きの双方に注意を払いながら(其れら双方を同時に調整しながら)取り回しを行うことは難しい場合があることも考えられる。そのため、支援装置6は、周期的に取得され更新される傾斜角情報i12に基づいて、経路R2を実現可能にする操舵角情報i21のみを表示装置4に表示してもよい。この場合、表示画像IMにおいては、ハンドルバーの回動角をどのように調整すればよいかを示す案内INF1が周期的に更新され、運転者が車体を傾けると、それに応じて案内INF1が更新されることとなる。本例によれば、運転者は、ハンドルバーの回動角のみに注意を向けながら取り回しを行うことが可能となる。尚、更新の周期は、例えば数十~数百[ミリ秒(msec)]とすればよい。
実施形態の幾つかの特徴は次の通りである:
第1の態様は支援装置(例えば6)に係り、前記支援装置は、
鞍乗型車両(例えば1)の操作を支援する支援装置であって、
前記鞍乗型車両の操舵角を示す操舵角情報(例えばi11)と、前記鞍乗型車両の車体の傾きを示す傾斜角情報(例えばi12)とを取得する取得手段(例えばS1010~S1020)と、
前記鞍乗型車両の取り回し(運転者自身が手で車両を押し引きすること)を行った場合の前記鞍乗型車両の軌跡を前記操舵角情報および前記傾斜角情報に基づいて算出する算出手段(例えばS1030)と、
前記軌跡を示す情報を出力する出力手段(例えばS1040)と、を備える
ことを特徴とする。これにより、運転者は、例えば表示装置等の車載用ユニットに出力された上記情報に基づいて鞍乗型車両の取り回しを行うことが可能となり、鞍乗型車両の駐車動作を適切に行うことが可能となる。
前記操舵角情報を第1の操舵角情報(例えばi11)とし、前記傾斜角情報を第1の傾斜角情報(例えばi12)として、
前記鞍乗型車両の停止位置(例えばP1)を操作入力により受け付ける受付け手段(例えばS2010)を更に備えており、
前記算出手段は、前記取り回しにより前記鞍乗型車両が前記停止位置に到達するための第2の操舵角情報(例えばi21)および第2の傾斜角情報(例えばi22)を算出する
ことを特徴とする。これにより、運転者は、取り回しにより鞍乗型車両を停止位置まで適切に導くことが可能となる。
前記出力手段は、前記第2の操舵角情報および前記第2の傾斜角情報に基づく情報を更に出力する
ことを特徴とする。これにより、運転者は適切に取り回しを行うことができる。
前記出力手段は、前記第1の操舵角情報と前記第2の操舵角情報との差および前記第1の傾斜角情報と前記第2の傾斜角情報との差を示す情報を出力する
ことを特徴とする。これにより、運転者は適切に取り回しを行うことができる。
前記取得手段は、路面環境を示す路面環境情報(例えばi9)を更に取得し、
前記路面環境情報が所定条件を満たす場合、前記算出手段は、前記第2の操舵角情報および前記第2の傾斜角情報に対して、前記第2の傾斜角情報が示す前記車体の傾きを小さくし且つ前記第2の操舵角情報が示す前記操舵角を大きくする変換処理を行う
ことを特徴とする。これにより、運転者は更に適切に取り回しを行うことができる。
前記路面環境情報が所定条件を満たす場合は、前記鞍乗型車両周辺の路面が舗装されていない場合、前記路面が基準以上の高低差を有する場合、及び/又は、前記路面が基準以上に濡れている場合を含む
ことを特徴とする。これにより、運転者は更に適切に取り回しを行うことができる。
上述の支援装置(例えば6)と、車輪(例えば2)とを備える
ことを特徴とする。即ち、上述の支援装置は典型的な鞍乗型車両に適用可能である。
前記出力手段が前記軌跡を示す情報を出力する車載用ユニットとして表示装置(例えば4)を更に備える
ことを特徴とする。これにより、支援装置による支援は視認可能に表示される。
前記出力手段が前記軌跡を示す情報を出力する車載用ユニットとして音源装置(例えば5)を更に備える
ことを特徴とする。これにより、支援装置による支援は例えば音声ガイドにより行われうる。
検出装置(例えば3)と評価装置(例えば7)とを更に備え、
前記検出装置は、前記取り回しを行う運転者の状態と、前記鞍乗型車両の状態とを検出し、前記評価装置は、前記検出装置の検出結果に基づいて前記鞍乗型車両の転倒の可能性を評価する
ことを特徴とする。これにより、運転者は更に適切に取り回しを行うことができる。
上述の支援装置(例えば6)と、車輪(例えば2)と、検出装置(例えば3)とを備え、
前記検出装置は、前記鞍乗型車両の周辺のオブジェクトを検出し、また、前記取り回しを行う運転者の前記鞍乗型車両に対する相対位置を検出し、
前記オブジェクトが検出された場合、前記算出手段は、前記取り回しにより前記鞍乗型車両を前記停止位置に誘導するための経路であって前記運転者が前記オブジェクトに干渉しない経路(例えばR2)を算出し、該経路を実現可能にする前記第2の操舵角情報および前記第2の傾斜角情報を算出する
ことを特徴とする。これにより、運転者は更に適切に取り回しを行うことができる。
上述の支援装置(例えば6)と、車輪(例えば2)と、検出装置(例えば3)とを備え、
前記検出装置は、前記停止位置となる路面の傾斜の度合いを検出し、
前記傾斜の度合いが基準を満たす場合、前記算出手段は、前記取り回しにより前記鞍乗型車両を前記停止位置に誘導するための経路であって前記鞍乗型車両を前記停止位置にて停止させた際に前記車体の前方が前記車体の後方より高くなるようにする経路(例えばR2)を算出し、該経路を実現可能にする前記第2の操舵角情報および前記第2の傾斜角情報を算出する
ことを特徴とする。これにより、傾斜した路面においても鞍乗型車両を適切に停止位置に停止させることが可能となる。
Claims (12)
- 鞍乗型車両の操作を支援する支援装置であって、
前記鞍乗型車両の操舵角を示す操舵角情報と、前記鞍乗型車両の車体の傾きを示す傾斜角情報とを取得する取得手段と、
前記鞍乗型車両の取り回しを行った場合の前記鞍乗型車両の軌跡を前記操舵角情報および前記傾斜角情報に基づいて算出する算出手段と、
前記軌跡を示す情報を出力する出力手段と、を備える
ことを特徴とする支援装置。 - 前記操舵角情報を第1の操舵角情報とし、前記傾斜角情報を第1の傾斜角情報として、
前記鞍乗型車両の停止位置を操作入力により受け付ける受付け手段を更に備えており、
前記算出手段は、前記取り回しにより前記鞍乗型車両が前記停止位置に到達するための第2の操舵角情報および第2の傾斜角情報を算出する
ことを特徴とする請求項1記載の支援装置。 - 前記出力手段は、前記第2の操舵角情報および前記第2の傾斜角情報に基づく情報を更に出力する
ことを特徴とする請求項2記載の支援装置。 - 前記出力手段は、前記第1の操舵角情報と前記第2の操舵角情報との差および前記第1の傾斜角情報と前記第2の傾斜角情報との差を示す情報を出力する
ことを特徴とする請求項3記載の支援装置。 - 前記取得手段は、路面環境を示す路面環境情報を更に取得し、
前記路面環境情報が所定条件を満たす場合、前記算出手段は、前記第2の操舵角情報および前記第2の傾斜角情報に対して、前記第2の傾斜角情報が示す前記車体の傾きを小さくし且つ前記第2の操舵角情報が示す前記操舵角を大きくする変換処理を行う
ことを特徴とする請求項2から請求項4の何れか1項記載の支援装置。 - 前記路面環境情報が所定条件を満たす場合は、前記鞍乗型車両周辺の路面が舗装されていない場合、前記路面が基準以上の高低差を有する場合、及び/又は、前記路面が基準以上に濡れている場合を含む
ことを特徴とする請求項5記載の支援装置。 - 請求項1から請求項6の何れか1項記載の支援装置と、車輪とを備える
ことを特徴とする鞍乗型車両。 - 前記出力手段が前記軌跡を示す情報を出力する車載用ユニットとして表示装置を更に備える
ことを特徴とする請求項7記載の鞍乗型車両。 - 前記出力手段が前記軌跡を示す情報を出力する車載用ユニットとして音源装置を更に備える
ことを特徴とする請求項7記載の鞍乗型車両。 - 検出装置と評価装置とを更に備え、
前記検出装置は、前記取り回しを行う運転者の状態と、前記鞍乗型車両の状態とを検出し、前記評価装置は、前記検出装置の検出結果に基づいて前記鞍乗型車両の転倒の可能性を評価する
ことを特徴とする請求項7から請求項9の何れか1項記載の鞍乗型車両。 - 請求項2から請求項6の何れか1項記載の支援装置と、車輪と、検出装置とを備え、
前記検出装置は、前記鞍乗型車両の周辺のオブジェクトを検出し、また、前記取り回しを行う運転者の前記鞍乗型車両に対する相対位置を検出し、
前記オブジェクトが検出された場合、前記算出手段は、前記取り回しにより前記鞍乗型車両を前記停止位置に誘導するための経路であって前記運転者が前記オブジェクトに干渉しない経路を算出し、該経路を実現可能にする前記第2の操舵角情報および前記第2の傾斜角情報を算出する
ことを特徴とする鞍乗型車両。 - 請求項2から請求項6の何れか1項記載の支援装置と、車輪と、検出装置とを備え、
前記検出装置は、前記停止位置となる路面の傾斜の度合いを検出し、
前記傾斜の度合いが基準を満たす場合、前記算出手段は、前記取り回しにより前記鞍乗型車両を前記停止位置に誘導するための経路であって前記鞍乗型車両を前記停止位置にて停止させた際に前記車体の前方が前記車体の後方より高くなるようにする経路を算出し、該経路を実現可能にする前記第2の操舵角情報および前記第2の傾斜角情報を算出する
ことを特徴とする鞍乗型車両。
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WO2025052394A1 (en) * | 2023-09-05 | 2025-03-13 | Tvs Motor Company Limited | System and method for providing riding assistance in a saddle type vehicle |
FR3153067A1 (fr) * | 2023-09-17 | 2025-03-21 | Zakaria Ferhat | Dispositif de sécurité visuelle pour bicyclette |
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DE112021006029T5 (de) * | 2020-11-19 | 2023-09-07 | Honda Motor Co., Ltd. | Fahrzeuginformations-benachrichtigungsvorrichtung |
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JP2007091181A (ja) * | 2005-09-30 | 2007-04-12 | Honda Motor Co Ltd | エアバッグ装置 |
JP2010058763A (ja) * | 2008-09-05 | 2010-03-18 | Yamaha Motor Co Ltd | 鞍乗型車両 |
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JP5144443B2 (ja) | 2008-09-16 | 2013-02-13 | 本田技研工業株式会社 | 車両運転支援装置 |
KR101034814B1 (ko) * | 2010-12-22 | 2011-05-16 | 오봉석 | 전동형 4륜 오토바이 |
KR101351294B1 (ko) * | 2011-06-21 | 2014-01-14 | 주식회사 엠씨넥스 | 경사도를 고려한 차량의 주차 안내 장치 |
DE102015215375A1 (de) * | 2015-08-12 | 2017-02-16 | Digades Gmbh Digitales Und Analoges Schaltungsdesign | Vorrichtung zum Erkennen einer Unfallsituation eines Straßenfahrzeugs |
DE102015226847A1 (de) * | 2015-12-30 | 2017-07-06 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Unterstützung eines Fahrers |
DE102018200406A1 (de) * | 2018-01-11 | 2019-07-11 | Robert Bosch Gmbh | Verfahren zur selbsttätigen Einstellung der Geschwindigkeit eines Motorrads bei einem Wendemanöver |
US20200307616A1 (en) * | 2019-03-26 | 2020-10-01 | DENSO TEN AMERICA Limited | Methods and systems for driver assistance |
JP2021037619A (ja) | 2019-08-30 | 2021-03-11 | リスパック株式会社 | ポリエステル系樹脂積層シート及びポリエステル系樹脂容器 |
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2021
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- 2021-12-24 DE DE112021007226.9T patent/DE112021007226T5/de active Pending
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JP2007091181A (ja) * | 2005-09-30 | 2007-04-12 | Honda Motor Co Ltd | エアバッグ装置 |
JP2010058763A (ja) * | 2008-09-05 | 2010-03-18 | Yamaha Motor Co Ltd | 鞍乗型車両 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2025052394A1 (en) * | 2023-09-05 | 2025-03-13 | Tvs Motor Company Limited | System and method for providing riding assistance in a saddle type vehicle |
FR3153067A1 (fr) * | 2023-09-17 | 2025-03-21 | Zakaria Ferhat | Dispositif de sécurité visuelle pour bicyclette |
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JPWO2022190576A1 (ja) | 2022-09-15 |
JP7503703B2 (ja) | 2024-06-20 |
US20230391402A1 (en) | 2023-12-07 |
DE112021007226T5 (de) | 2024-01-11 |
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