WO2017109615A1 - ウイリー制御装置及びその制御方法 - Google Patents
ウイリー制御装置及びその制御方法 Download PDFInfo
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- WO2017109615A1 WO2017109615A1 PCT/IB2016/057343 IB2016057343W WO2017109615A1 WO 2017109615 A1 WO2017109615 A1 WO 2017109615A1 IB 2016057343 W IB2016057343 W IB 2016057343W WO 2017109615 A1 WO2017109615 A1 WO 2017109615A1
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- Prior art keywords
- wheelie
- vehicle body
- target
- wheel
- control
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000001133 acceleration Effects 0.000 claims abstract description 41
- 230000007423 decrease Effects 0.000 claims abstract description 22
- 238000013459 approach Methods 0.000 claims abstract description 19
- 230000003247 decreasing effect Effects 0.000 claims description 28
- 230000035939 shock Effects 0.000 abstract 1
- 208000003251 Pruritus Diseases 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 230000006399 behavior Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- B60T8/17—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
- 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
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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
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
- B60W10/184—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes
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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
- 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
- B60W30/02—Control of vehicle driving stability
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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
- 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
- B60W40/10—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 vehicle motion
- B60W40/11—Pitch movement
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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
- B60W50/10—Interpretation of driver requests or demands
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/02—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving cycles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/10—Introducing corrections for particular operating conditions for acceleration
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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
- B60T2230/00—Monitoring, detecting special vehicle behaviour; Counteracting thereof
- B60T2230/03—Overturn, rollover
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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
- B60T2240/00—Monitoring, detecting wheel/tire behaviour; counteracting thereof
- B60T2240/06—Wheel load; Wheel lift
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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
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0657—Engine torque
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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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/1005—Transmission ratio engaged
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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
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/16—Pitch
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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
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
- B60W2710/0672—Torque change rate
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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
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/18—Braking system
- B60W2710/182—Brake pressure, e.g. of fluid or between pad and disc
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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
- B60W2720/16—Pitch
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/1002—Output torque
Definitions
- the present invention relates to a wheelie control device for a motorcycle and a control method therefor.
- Two-wheeled vehicles are lighter in weight than four-wheeled vehicles.
- a typical four-wheeled vehicle weighs about 100 000 kg, whereas a two-wheeled vehicle weighs only about 200 KG and about 1-5.
- the two-wheeled vehicle is driven by the rear wheels, it has a feature that the front wheels are lifted and become in a wheely state when sudden acceleration is performed.
- the wheelie is unstable in the behavior of the car body and may cause the car body to fall. Excessive wheelies will also reduce the acceleration performance of the car body. Therefore, a control device that suppresses wheelie by electronic control has been proposed, and is actually sold in the market as a product.
- a wheelie is detected by detecting a wheelie and making the engine output torque smaller than the output desired by the rider (see, for example, cited references 1 and 2).
- Patent Document 1 Japanese Unexamined Patent Application Publication No. 2 0 1 1— 1 3 7 4 1 6
- Patent Document 2 Japanese Patent Laid-Open No. 2 0 1 0-2 2 9 9 1 2
- the control device after detecting the wheelie, the control is performed to reduce the engine output torque according to the pitch angle of the vehicle body, and the purpose thereof is to quickly end the wheelie state.
- skilled riders control not only the pitch angle of the vehicle body but also the pitch angular velocity. For example, even if the pitch angle of the vehicle body is still small, if the pitch angular velocity is large, there is a possibility that the wheel will have a large pitch angle at the next moment. On the other hand, even if the pitch angle is large, if the pitch angular velocity changes in a decreasing direction, an operation to increase the engine output torque is performed.
- the maximum acceleration is obtained, and the impact when the front wheel touches the road surface from the wheely state is eased by slowly lowering the front wheel, but the engine output torque is reduced.
- the output torque of the engine is excessively lowered, and the acceleration may be reduced more than necessary or the impact at the time of grounding the front wheel may be increased. .
- the object of the present invention is to solve the above-mentioned problems of the prior art, and to control the wheelie control device that can reduce the acceleration drop more than necessary and the impact at the time of grounding the front wheel when the wheelie state is terminated and the control thereof. It is to provide a method.
- the present invention relates to a wheelie control device for controlling a wheelie of a vehicle body, and a target targeted by the parameter for controlling a state of wheeling of the vehicle body according to a parameter related to pitching of the vehicle body.
- a trajectory is calculated, and an increase / decrease in pitching of the vehicle body is controlled so that the parameter approaches the target trajectory.
- the parameter may include a pitch angle.
- the parameter may include a pitch angular velocity.
- the parameter may include pitch angular acceleration.
- the parameters include a pitch angle and a pitch angular velocity, and the target trajectory is a target. It may include a target pitch angle and a target pitch angular velocity obtained by differentiating the target pitch angle.
- the parameter includes a pitch angular velocity and a pitch angular acceleration, and the target trajectory may include a target pitch angular velocity and a target pitch angular acceleration obtained by differentiating the target pitch angular velocity.
- the wheel control apparatus is characterized in that the parameter includes a pitch angle and a pitch angular acceleration, and the target trajectory includes a target pitch angle and a target pitch angular acceleration obtained by differentiating the target pitch angle. .
- the pitching may be increased or decreased by increasing or decreasing the output of the prime mover.
- the pitching may be increased or decreased by increasing or decreasing the braking force of the brake.
- a first control is performed to control the output of the prime mover so that the vehicle body starts a wheelie.
- a second control for increasing / decreasing the pitching of the vehicle body may be performed so that the vehicle body maintains a wheel.
- the first control may calculate a torque increase rate of the prime mover for causing the vehicle body to start a wheel and calculate the output target value that satisfies the torque increase rate.
- the parameter is a target to control the wheelie state of the vehicle body according to the parameter related to the pitching of the vehicle body.
- the target trajectory is calculated, and the increase / decrease in pitching of the vehicle body is controlled so that the parameter approaches the target trajectory.
- the parameter may include a pitch angle.
- the parameter may include a pitch angular velocity.
- the parameter may include pitch angular acceleration.
- the parameters include a pitch angle and a pitch angular velocity
- the target trajectory may include a target pitch angle and a target pitch angular velocity obtained by differentiating the target pitch angle.
- the parameter includes a pitch angular velocity and a pitch angular acceleration
- the target trajectory may include a target pitch angular velocity and a target pitch angular acceleration obtained by differentiating the target pitch angular velocity.
- the wheel control apparatus is characterized in that the parameter includes a pitch angle and a pitch angular acceleration, and the target trajectory includes a target pitch angle and a target pitch angular acceleration obtained by differentiating the target pitch angle. .
- the pitching may be increased or decreased by increasing or decreasing the output of the prime mover.
- the pitching may be increased or decreased by increasing or decreasing the braking force of the brake.
- a second control for increasing or decreasing the pitching of the vehicle body may be executed so that the vehicle body maintains a wheelie.
- the first control may calculate a torque increase rate of the prime mover for causing the vehicle body to start a wheel and calculate the output target value that satisfies the torque increase rate.
- FIG. 1 is a block diagram showing an engine control system including an ECU according to the present embodiment.
- FIG. 2 is a graph showing how the ECU controls the pitching of the vehicle body based on the target trajectory.
- FIG. 3 is a diagram showing a state of control when the vehicle body is rolled.
- FIG. 4 is a flowchart showing wheelie control by the ECU.
- FIG. 1 is a block diagram showing an engine control system including an ECU according to the present embodiment.
- the engine control system 100 according to the present embodiment is mounted on the body of a motorcycle, and is an ECU (Willi Control System). 1 0, Engine (motor) 2 0, Sensor 3 0, Memory 4 0
- the engine 20 is electrically connected to the E CU 10 and generates a driving force on the rear wheel of the motorcycle based on an instruction from the E C U 10.
- the sensor 30 is a 5D sensor that functions as an acceleration sensor in three directions in the X direction, the Y direction, and the Z direction, and two angular acceleration sensors around the X axis and the Y axis.
- the sensor 30 is electrically connected to the ECU 10 and is provided to output to the ECU 10 a signal A 1 corresponding to the detected acceleration and a signal A 2 corresponding to the detected angular acceleration. It has been.
- the E CU 10 is electrically connected to the engine 20, the sensor 30, and the memory 40.
- the ECU 10 calculates the pitch angular acceleration of the vehicle body based on the signals A 1 and A 2 input from the sensor 30, and the pitch angle information indicating the vehicle pitch angle based on the calculated pitch angular acceleration.
- Information and pitch angular velocity information indicating the pitch angular velocity of the vehicle body are generated.
- the pitch angle indicates the angle of the vehicle body with respect to the road surface, and the pitch angle when the front wheel and the rear wheel are in contact with the road surface and the vehicle body is stationary is 0 (zero) degrees.
- E CU 10 performs feedback control (second control) of the engine output torque based on the pitch response of the vehicle body after the vehicle body has been wheeled.
- E CU 10 is provided to control the pitching direction trajectory of the vehicle body, that is, the time transition of the vehicle body pitch angle, by integrating the parameters related to pitching including the vehicle body pitch angle information and pitch angular velocity information. Have been. More specifically, the ideal response of the pitch angle of the vehicle body is calculated as the target trajectory with reference to a map stored in the memory 40, and the actual pitch angle of the vehicle body approaches the calculated target trajectory. The pitching of the vehicle body is controlled to follow up and down.
- the target track includes a target pitch angle corresponding to the pitch angle and a target pitch angular velocity corresponding to the pitch angular velocity, and the target pitch angle and the target pitch angular velocity are set so as to have a differential integral relationship with each other. ing.
- the target pitch angular velocity is calculated by differentiating the target pitch angle.
- E CU 10 can determine the change in pitch angle until the front wheels are brought into contact with the road surface when the vehicle body is in a wheeled state by controlling the increase / decrease of the vehicle body pitching so that it approaches the target track. .
- the ECU 10 controls the increase / decrease in the pitching of the vehicle so as to approach the target track by increasing / decreasing the output torque of the engine.
- the ECU 10 can maintain the wheelie state of the vehicle body by setting the target trajectory so as to maintain the pitch angle at a constant angle.
- the ECU 10 is configured to generate a smooth wheelie based on the vehicle body pitch information including the calculated pitch angle and pitch angle acceleration, engine output torque information, engine speed information, and gear information.
- a control (first control) is performed to output the engine output torque that can prompt the start to the engine 20. [0 0 1 8]
- the memory 40 is a storage unit and stores a map for calculating a target trajectory using parameters related to pitching such as pitch angle information and pitch angular velocity information of the vehicle body.
- the ECU 10 refers to the map corresponding to the target trajectory stored in the memory 40, and outputs a signal A 3 indicating information on the target pitch angle and a signal A 4 indicating information on the target pitch angular velocity. get.
- Figure 2 is a graph showing how the ECU controls the pitching of the vehicle body based on the target trajectory.
- the horizontal axis indicates the passage of time
- range R 1 indicates the range for 1.0 second.
- Line L 0 (zero) indicates whether E CU 10 0 is intervening in the body pitching control, and the vertical axis indicates that E CU 10 0 is in the pitching control when line L 0 rises. It indicates that they are intervening.
- Line L 1 indicates the wheel speed of the front wheel, and the vertical axis indicates the speed of the wheel speed.
- Line L 2 shows the wheel speed of the rear wheel, and the vertical axis shows the speed of the wheel speed.
- Range R 2 shows the range where the wheel speed is l O O kmZh (km / h).
- Line L 3 indicates the target pitch angle, and the vertical axis indicates the magnitude of the pitch angle.
- Line L 4 indicates the actual pitch angle of the vehicle body, and the vertical axis indicates the magnitude of the pitch angle.
- a range R 3 indicates a range where the pitch angle is 20 degrees.
- Line L5 shows the target pitch angular velocity
- the vertical axis shows the speed of the pitch angular velocity
- Line L 6 indicates the actual pitch angular velocity of the vehicle body
- the vertical axis indicates the speed of the pitch angular velocity.
- Range R 4 shows a range where the pitch angular velocity is 1.0 radians per second. Differentiating the target pitch angle indicated by line L 3 results in the target pitch angular velocity indicated by line L 5, that is, integrating the target pitch angular velocity indicated by line L 5 results in the target pitch angle indicated by line L 3.
- the target pitch angle and the target pitch angular speed are set.
- Line L 7 shows the actual torque output by the engine, and the vertical axis shows the magnitude of the torque.
- Line L 8 indicates the required torque requested by the rider through the accelerator operation, and the vertical axis indicates the magnitude of the torque.
- the line L 9 shows the torque that the ECU 10 is requesting the engine by intervening in the pitching control, and the vertical axis shows the magnitude of the torque.
- a range R 5 indicates a range in which the magnitude of torque is 100 N ⁇ m (Newton meter).
- the E CU 1 0 stores the actual pitch angle P itch An gle—A stored in the memory 40.
- the map that shows the correspondence between ctua 1 and the target pitch angular velocity P itch Rate — Targe calculate the target pitch angular velocity P itch Rate — Target indicated by line L 5.
- ECU 1 0 applies the coefficient coefficient 1 specific to the vehicle body and the engine to the calculated pitch angular velocity difference e 1 to request the engine 20 to satisfy the target pitch angular velocity. Calculates the required torelect of the Request T orquel.
- ECU 10 After calculating the first required torque Request T orque 1, ECU 10 integrates the target pitch angular velocity P itch Rate_T arget shown by line L 5 and the target pitch angle P itch A ng shown by line L 3. 1 Calculate e _T aret.
- the ECU 10 multiplies the calculated pitch angle difference e 2 by a coefficient coefficient 2 specific to the vehicle body and engine, and requests the engine 20 to satisfy the target pitch angle. Calculates the required request Torelek 2.
- the coefficients coefficientl and coefficient are set so that the required torque actually required for the engine 20 is obtained. 2 is set, but depending on the settings of the coefficients coefficientl and coefficient 2, only one of the first request torolec R equest T orque 1 or the second request tonolec R equest T orque 2 is requested to the engine 20 It can also be a required torque.
- FIG. 3 is a diagram showing a state of control when the vehicle body is wheeled.
- Fig. 3 (a) shows the relationship between wheel speed and time
- Fig. 3 (b) shows the relationship between pitch angle and time
- Fig. 3 (c) shows the torque. It is a figure which shows the relationship between time and time. Note that the time axis corresponds to FIGS. 3 (a) to 3 (c).
- the solid line LA 1 indicates the wheel speed of the front wheel
- the broken line LA 2 indicates the wheel speed of the rear wheel.
- the wheel speed of the rear wheel increases at a constant slope, but the front wheel decreases rapidly at time t1, and then increases rapidly at time t2. That is, the front wheel lifts from the road surface at time t 1 due to the wheel, and the wheel speed decreases, and again at time t 2
- the front wheel is installed on the road surface, and the wheel speed increases rapidly, so that the wheel speed is almost the same as the rear wheel.
- Range R 1 shows the range where the front wheels are lifted.
- the solid line L B 1 indicates the target pitch angle that is a target for causing the vehicle body to execute a smooth wheelie
- the broken line L B 2 indicates the actual pitch angle of the vehicle body.
- the solid line L C 1 indicates the output torque of the engine 20 requested by the rider operating the accelerator
- the broken line L C 2 indicates the output torque of the actual engine 20.
- E CU 10 is the first control that controls the range R 2 from the time when the rider who makes a wheelie suddenly operates in the direction to open the accelerator to the time t 1 when the front wheel leaves the road surface. Control the output torque and control the output torque of the engine 20 by the second control over the range R 3 from time t 1 until the time t 3 when the rider who suddenly operates the accelerator closes the accelerator. is doing.
- FIG. 4 is a flowchart showing wheelie control by the ECU.
- the ECU 10 determines whether or not the rider has opened the accelerator more than a predetermined opening, that is, whether or not the rider is trying to make the vehicle wheelie (step S 1).
- the predetermined opening of the accelerator is an opening that is equal to or larger than the accelerator opening at which the vehicle body can be wheeled, and is stored in the memory of the ECU 10 in advance.
- step S 1 If it is determined in step S 1 that the rider has not opened the accelerator more than the predetermined opening (step S 1: O), ECU 10 will not perform the wheelie control intervention or will Control is terminated (step S2), and the series of processing from step 1 is repeated.
- step S 1 if it is determined in step S 1 that the rider has opened the accelerator more than the predetermined opening (step S 1: YES), ECU 10 is obtained from the wheel speed sensors 20 of the front and rear wheels. Based on the wheel speed signal, it is determined whether or not the vehicle body is in the wheel (step S 3).
- step S 3 If it is determined in step S 3 that the vehicle body is not in a wheelie (step S 3: NO), the ECU 10 determines the pitch angular velocity that is the angular velocity in the vehicle body pitching direction based on the signal output from the 5D sensor. The pitch angle and pitch angular acceleration are calculated based on the calculated pitch angular velocity. Next, the ECU 10 is based on the vehicle body pitch information composed of the parameters of the pitch angle and the pitch angular acceleration, the output torque information of the engine 20, the rotational speed information of the engine 20 and the gear information. The inclination of the output torque of the engine 20 that prompts the smooth start of the wheel, that is, the rate of increase of the output torque is calculated (step S4).
- the ECU 10 calculates an output target value that satisfies the calculated rate of increase of the output torque (step S5 )
- step S5 When the output target value is calculated in step S5, the ECU 10 increases or decreases the output torque of the engine 20 so as to approach the calculated output target value (step S6), and repeats a series of processes from step S1. .
- step S3 determines the actual pitch angle of the vehicle body calculated based on the signal output from the 5D sensor. Compare with the target trajectory of the hour (Step S7).
- step S7 when the actual pitch angle of the vehicle body is compared with the target track that is the target of the wheelie temporarily, ECU 10 outputs to reduce the difference between the actual pitch angle of the vehicle body and the target track.
- a target value is calculated (step S 8).
- E C U 10 increases or decreases the output torque of the engine 20 so as to approach the calculated output target value (step S 6), and repeats a series of processes from step S 1.
- the ECU 10 drives the engine 20 so as to make the vehicle wheelie when the vehicle is not tired (step S3: No) due to the accelerator operation by the rider.
- the engine 20 can be driven so as to maintain the wheelie.
- the ECU 10 calculates a target trajectory targeted by the parameters in order to control the wheel state of the vehicle body according to the parameters of the pitch angle and pitch angular velocity related to the pitching of the vehicle body,
- the increase / decrease of the pitching of the vehicle body is controlled by increasing / decreasing the braking force of the brake so that the parameter approaches the target trajectory.
- the pitch angle can be gradually reduced from the wheely state, so that the acceleration drop more than necessary and the impact when the front wheel touches down can be reduced when the wheely state ends.
- the wheelie control device 10 calculates the output target value of the engine 20 for making the vehicle wheelie based on the information corresponding to the pitch angle of the vehicle body, and sets the engine 20 to approach the output target value.
- the output torque can be increased or decreased. This eliminates the need for the rider to adjust the output torque of the engine 20 by operating the accelerator, and it can be electronically controlled to bring the vehicle to the wheelie state. If the pitch angle of the vehicle is too large, the engine While the output torque of 20 can be reduced, the output torque of the engine 20 can be increased when the pitch angle of the vehicle body is too small. For this reason, riders can easily recycle the vehicle without relying on driving skills.
- the present invention has been described based on the embodiment, but the present invention is not limited to this.
- the pitch angle and the pitch angular velocity are used as parameters for controlling the increase / decrease in the pitching of the vehicle body, but the present invention is not limited to this.
- the pitch angular acceleration can be used as a parameter
- the target pitch angular acceleration obtained by differentiating the target pitch angular velocity can be used as the target trajectory.
- the pitching of the vehicle body may be controlled with high accuracy.
- the target track is used as information related to the pitching of the vehicle body.
- the pitching of the vehicle body may be controlled using the required torque required for the engine as the target track.
- pitching is increased or decreased so as to approach the target track by increasing or decreasing the output torque of the engine, but the present invention is not limited to this.
- the pitch of the vehicle body can be increased or decreased, for example, the engine speed, engine fuel injection amount, engine air amount, electric motor torque of motorcycles driven by electricity, brake torque, gyro mechanism that controls the balance of the vehicle body, etc.
- Suspension damping force, clutch connection state, gear position A means such as control of the center of gravity of the vehicle body may be used.
- the ECU may integrally control the output torque and the braking force of the rear wheel brake. In such a configuration, either the output torque of the engine or the braking force of the rear wheel brake may be controlled. Compared to the case where the rider has to adjust, there are fewer disturbance elements, and the balance between the engine output torque and the braking force of the rear wheel brake can be improved.
- the output target value is calculated as it is from the pitch angle information of the vehicle body calculated from the signal input from the sensor 30.
- the present invention is not limited to this.
- the output target value may be corrected by, for example.
- the output target value is calculated for each vehicle body in which ECU is actually mounted.
- the present invention is not limited to this.
- the output target value may be estimated using a uniform vehicle model.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mathematical Physics (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
- Regulating Braking Force (AREA)
Abstract
Description
Claims
Priority Applications (3)
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US16/065,859 US11230272B2 (en) | 2015-12-24 | 2016-12-05 | Wheelie controller and control method thereof |
DE112016004749.5T DE112016004749T5 (de) | 2015-12-24 | 2016-12-05 | Wheelie-Steuervorrichtung und deren Steuerverfahren |
JP2017557514A JP6538200B2 (ja) | 2015-12-24 | 2016-12-05 | ウイリー制御装置及びその制御方法 |
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JP2015-252601 | 2015-12-24 | ||
JP2015252601A JP2017114342A (ja) | 2015-12-24 | 2015-12-24 | ウイリー制御装置及びその制御方法 |
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JP (2) | JP2017114342A (ja) |
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JP2017114342A (ja) * | 2015-12-24 | 2017-06-29 | 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 | ウイリー制御装置及びその制御方法 |
JP6730890B2 (ja) * | 2016-09-14 | 2020-07-29 | 川崎重工業株式会社 | ウィリー判定装置およびウィリー判定方法 |
DE102017209165A1 (de) * | 2017-05-31 | 2018-12-06 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Beeinflussung der Motorsteuerung eines einspurigen Kraftfahrzeugs |
US20190135286A1 (en) * | 2017-09-20 | 2019-05-09 | Sebastian Domingo | Apparatus and method for an acceleration control system |
JP7143066B2 (ja) * | 2017-09-29 | 2022-09-28 | 日立Astemo株式会社 | 自動二輪車のピッチ角制御装置 |
JP6420447B1 (ja) * | 2017-11-10 | 2018-11-07 | 株式会社ケーヒン | 自動二輪車の駆動力制御装置 |
GB2568912B (en) * | 2017-11-30 | 2022-09-21 | Moss Nicholas | Remote control vehicle |
JP6901650B2 (ja) * | 2018-05-16 | 2021-07-14 | 相原 雅彦 | 電動車両 |
CN113968297B (zh) * | 2020-07-21 | 2023-05-05 | 北京零极创新科技有限公司 | 一种车辆的辅助翘头方法及装置、车辆、计算机存储介质 |
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- 2016-12-05 DE DE112016004749.5T patent/DE112016004749T5/de active Pending
- 2016-12-05 US US16/065,859 patent/US11230272B2/en active Active
- 2016-12-05 JP JP2017557514A patent/JP6538200B2/ja active Active
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JPWO2017109615A1 (ja) | 2018-09-20 |
DE112016004749T5 (de) | 2018-07-05 |
JP2017114342A (ja) | 2017-06-29 |
JP6538200B2 (ja) | 2019-07-03 |
US20180370506A1 (en) | 2018-12-27 |
US11230272B2 (en) | 2022-01-25 |
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