WO2014051045A1 - ダンパ制御装置 - Google Patents
ダンパ制御装置 Download PDFInfo
- Publication number
- WO2014051045A1 WO2014051045A1 PCT/JP2013/076244 JP2013076244W WO2014051045A1 WO 2014051045 A1 WO2014051045 A1 WO 2014051045A1 JP 2013076244 W JP2013076244 W JP 2013076244W WO 2014051045 A1 WO2014051045 A1 WO 2014051045A1
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- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- damper
- wheel side
- rear wheel
- front wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0164—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input mainly during accelerating or braking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/06—Characteristics of dampers, e.g. mechanical dampers
- B60G17/08—Characteristics of fluid dampers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
- F16F9/512—Means responsive to load action, i.e. static load on the damper or dynamic fluid pressure changes in the damper, e.g. due to changes in velocity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/20—Type of damper
- B60G2202/24—Fluid damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2300/00—Indexing codes relating to the type of vehicle
- B60G2300/12—Cycles; Motorcycles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/05—Attitude
- B60G2400/052—Angular rate
- B60G2400/0522—Pitch rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/30—Propulsion unit conditions
- B60G2400/34—Accelerator pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/30—Propulsion unit conditions
- B60G2400/39—Brake pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/50—Pressure
- B60G2400/51—Pressure in suspension unit
- B60G2400/518—Pressure in suspension unit in damper
- B60G2400/5182—Fluid damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/10—Damping action or damper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/01—Attitude or posture control
- B60G2800/014—Pitch; Nose dive
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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
- B62J45/415—Inclination sensors
- B62J45/4152—Inclination sensors for sensing longitudinal inclination of the cycle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K25/00—Axle suspensions
- B62K25/04—Axle suspensions for mounting axles resiliently on cycle frame or fork
- B62K2025/044—Suspensions with automatic adjustment
Definitions
- the damper control device includes a stroke sensor that detects the stroke of the front wheel side damper, a stroke sensor that detects the stroke of the rear wheel side damper, and a pitching sensor that detects the pitching angular velocity of the vehicle body.
- the damper control device calculates the stroke speed of the front wheel side damper and the rear wheel side damper by differentiating the displacement detected by the stroke sensor.
- the damper control device further calculates the damping coefficient of the front wheel side damper and the rear wheel side damper with reference to a prepared three-dimensional map based on the pitching angular velocity and the stroke speed of the front wheel side damper and the rear wheel side damper. Control the damping force of each damper.
- An object of the present invention is to provide a damper control device that can be easily mounted on a two-wheeled vehicle and can improve riding comfort in the two-wheeled vehicle.
- a damper control device that controls the pressure in the chamber, a pitching angular velocity detection unit that detects the pitching angular velocity of the vehicle body, a front wheel side pressure detection unit that detects the pressure in the compression side chamber in the front wheel side damper, and a rear wheel side damper
- a rear wheel side pressure detector for detecting the pressure of the pressure side chamber at the pressure side of the front wheel side damper based on the pitching angular velocity, the pressure of the pressure side chamber at the front wheel side damper, and the pressure of the pressure side chamber at the rear wheel side damper.
- a damper control device is provided for controlling the pressure in the chamber and the pressure in the pressure side chamber of the rear wheel side damper.
- FIG. 1 is a schematic configuration diagram of a damper control device according to a first embodiment of the present invention.
- FIG. 2 is a schematic diagram of a front wheel side damper and a rear wheel side damper of the damper control device according to the first embodiment of the present invention.
- FIG. 3 is a control block diagram of the damper control device according to the first embodiment of the present invention.
- FIG. 4 is a control block diagram of a damper control device according to the second embodiment of the present invention.
- FIG. 5 is a control block diagram of a damper control device according to the third embodiment of the present invention.
- a suction passage 17 that allows passage of pressure a bypass passage 18 that is provided in parallel with the pressure-side damping passage 16 and the suction passage 17, and that connects the pressure-side chamber R2 and the reservoir R, and a pressure in the pressure-side chamber R2 that is provided in the middle of the bypass passage 18
- a control valve V as a pressure control element for adjusting the pressure.
- the liquid moves through the expansion side attenuation passage 14 from the expansion side chamber R1 to be compressed to the compression side chamber R2.
- the expansion side damping passage 14 gives resistance to the flow of the liquid, a differential pressure is generated between the expansion side chamber R1 and the compression side chamber R2, and an expansion side damping force that suppresses the extension operation is exhibited according to this differential pressure.
- liquid is supplied from the reservoir R through the suction passage 17 into the pressure side chamber R2, and the volume of the piston rod 12 that retreats from the cylinder 10 is compensated. Therefore, the front wheel side damper FD and the rear wheel side damper RD function as passive dampers whose damping characteristics do not change during the extension operation.
- the pressure sensor 3 is a position where the pressure Pf in the pressure side chamber R2 of the front wheel side damper FD can be detected, and is upstream of the pressure side damping passage 16 that communicates the pressure side chamber R2 and the reservoir R, and the control valve V of the bypass passage 18. It is attached upstream.
- the pressure sensor 3 detects the pressure Pf of the pressure side chamber R2 in the front wheel side damper FD, and outputs the detected value to the control unit 5.
- the pressure sensor 4 is a position where the pressure Pr in the pressure side chamber R2 of the rear wheel side damper RD can be detected.
- the pressure sensor 4 is upstream of the pressure side attenuation passage 16 that communicates the pressure side chamber R2 and the reservoir R or in the bypass passage 18. It is mounted upstream of the control valve V.
- the pressure sensor 4 detects the pressure Pr of the pressure side chamber R2 in the rear wheel side damper RD, and outputs the detected value to the control unit 5.
- the deviation calculator 28 and the regulator 29 form a pressure feedback loop.
- the regulator 29 is a compensator such as a PID compensator like the regulator 25.
- the regulator 29 may be a PD compensator, an H ⁇ compensator, or the like.
- an A / D converter for taking in signals output from the rate sensor 2 and the pressure sensors 3 and 4 and a ROM (in which a program used for processing necessary for control is stored)
- a storage device such as Read Only Memory
- an arithmetic device such as a CPU (Central Processing Unit) that executes processing based on a program
- a storage device such as a RAM (Random Access Memory) that provides a storage area to the CPU. It only has to have.
- Each control process of the control part 5 is implement
- the pressure in the pressure side chamber R2 is controlled rather than adjusting the damping coefficient in the front wheel side damper FD and the rear wheel side damper RD, the damping that each damper wants to exert due to a change in the oil temperature in the damper or the like. There is no error between the force and the actual damping force, and the riding comfort of the motorcycle can be improved.
- the front wheel side damper FD and the rear wheel side damper RD function as passive dampers during the extension operation, so that the extension side damping force in the front wheel side damper FD and the rear wheel side damper RD is too small. Therefore, a decrease in the stability of the vehicle body posture of the motorcycle can be suppressed.
- the control unit 43 does not include the switch 22 and the multiplication units 23 and 27 of the control unit 5 of the damper control device 1 in the first embodiment. Instead, the control unit 43 includes a path for obtaining a current command for the control valve V in the pressure side chamber R2 of the front wheel side damper FD and a path for obtaining a current command for the control valve V in the pressure side chamber R2 of the rear wheel side damper RD. Both include arithmetic units 44 and 48, regulators 45 and 49, adders 46 and 50, and arithmetic units 47 and 51, respectively.
- the adding unit 50 adds the pitching suppression damping force Frp and the bounce suppression damping force Frb to calculate the target pressure side damping force Fr * to be output by the rear wheel side damper RD.
- the pitching suppression damping force Frp and the bounce suppression damping force Frb when the direction of the compression side damping force of the rear wheel side damper RD matches the direction of the damping force supported by the target compression side damping force Fr * , The target pressure side damping force Fr * is output as it is, and 0 is output when it does not match.
- the damper control device 61 of the present embodiment includes a speed detection unit 62 that detects the vertical speed v of the vehicle body B, and a brake signal that is detected by a brake operation of a rider of the motorcycle. And an accelerator operation sensor 65 that detects an accelerator operation of a passenger of the motorcycle and inputs an accelerator signal to the control unit 63.
- the reverse rotation suppression controller 67 selects the target of the pressure side chamber R2 of the rear wheel side damper RD based on the target torque ⁇ , the vertical speed v, and the presence / absence of an accelerator signal. Determine the pressure Pr * .
- the reverse rotation suppression controller 67 obtains a damping force necessary for suppressing pitching from the target torque ⁇ , obtains a damping force necessary for bounce suppression from the vertical speed v, and adds these damping forces to the rear wheel.
- the compression side damping force of the side damper RD is obtained.
- the damper control device 61 can design independently and optimally the control optimal for pitching the vehicle body B toward the forward rotation side and the optimal control for pitching toward the reverse rotation side. Therefore, posture control corresponding to the behavior and driving situation of the two-wheeled vehicle is possible, and riding comfort can be improved more reliably.
- the damping force generated by the front wheel side damper FD and the rear wheel side damper RD and the pressure in the compression side chamber R2 at the front wheel side damper FD and the rear wheel side damper RD are substantially proportional to each other. It is possible to process the force as it is as the pressure in the pressure side chamber R2 of the front wheel side damper FD and the rear wheel side damper RD. Therefore, the target pressures Pf * and Pr * of the compression side chamber R2 can be obtained by feeding back the damping force. Therefore, the front wheel side pressure detection unit and the rear wheel side pressure detection unit may be configured to detect the damping force of the front wheel side damper FD and the rear wheel side damper RD.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Vehicle Body Suspensions (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
Abstract
Description
Claims (7)
- 二輪車における車体と前輪との間に介装される前輪側ダンパの圧側室の圧力と、前記車体と後輪との間に介装される後輪側ダンパの圧側室の圧力と、を制御するダンパ制御装置であって、
前記車体のピッチング角速度を検出するピッチング角速度検出部と、
前記前輪側ダンパにおける前記圧側室の圧力を検出する前輪側圧力検出部と、
前記後輪側ダンパにおける前記圧側室の圧力を検出する後輪側圧力検出部と、
を備え、
前記ピッチング角速度、前記前輪側ダンパにおける前記圧側室の圧力、及び前記後輪側ダンパにおける前記圧側室の圧力に基づいて、前記前輪側ダンパにおける前記圧側室の圧力と前記後輪側ダンパにおける前記圧側室の圧力とを制御する、
ダンパ制御装置。 - 請求項1に記載のダンパ制御装置であって、
前記ピッチング角速度から前記車体のピッチングを抑制する目標トルクを求め、
前記目標トルクから前記前輪側ダンパと前記後輪側ダンパとのうちピッチングによって圧縮される方のダンパを選択し、
選択された前記ダンパにおける前記圧側室の目標圧力を求め、
選択された前記ダンパの前記圧側室の圧力をフィードバック制御する、
ダンパ制御装置。 - 請求項1に記載のダンパ制御装置であって、
前記車体の上下方向速度を検出する速度検出部をさらに備え、
前記ピッチング角速度から前記車体のピッチングを抑制する目標トルクを求め、
前記目標トルクからピッチングを解消するのに必要な前記前輪側ダンパ及び前記後輪側ダンパのピッチング抑制減衰力を求め、
前記上下方向速度から前記車体のバウンスを解消するのに必要な前記前輪側ダンパ及び前記後輪側ダンパのバウンス抑制減衰力を求め、
前記前輪側のピッチング抑制減衰力と前記前輪側のバウンス抑制減衰力とから前記前輪側ダンパにおける前記圧側室の目標前輪側圧力を求め、前記前輪側ダンパの前記圧側室の圧力をフィードバック制御し、
前記後輪側のピッチング抑制減衰力と前記後輪側のバウンス抑制減衰力とから前記後輪側ダンパにおける前記圧側室の目標後輪側圧力を求め、前記後輪側ダンパの前記圧側室の圧力をフィードバック制御する、
ダンパ制御装置。 - 請求項1に記載のダンパ制御装置であって、
前記車体の上下方向速度を検出する速度検出部をさらに備え、
前記ピッチング角速度から前記車体のピッチングを抑制する目標トルクを求め、
前記目標トルクから前記前輪側ダンパと前記後輪側ダンパとのうちピッチングによって圧縮される方のダンパを選択し、
前記目標トルクと前記上下方向速度とに基づいて選択された前記ダンパにおける前記圧側室の目標圧力を求め、
選択された前記ダンパの前記圧側室の圧力をフィードバック制御する、
ダンパ制御装置。 - 請求項4に記載のダンパ制御装置であって、
前記前輪側ダンパが選択される場合、前記目標トルクと前記上下方向速度と前記二輪車のブレーキ信号とに基づいて前記前輪側ダンパにおける前記圧側室の目標圧力を求める、
ダンパ制御装置。 - 請求項4に記載のダンパ制御装置であって、
前記後輪側ダンパが選択される場合、前記目標トルクと前記上下方向速度と前記二輪車のアクセル信号とに基づいて前記後輪側ダンパにおける前記圧側室の目標圧力を求める、
ダンパ制御装置。 - 請求項1に記載のダンパ制御装置であって、
前記前輪側ダンパ及び前記後輪側ダンパは、シリンダと、前記シリンダ内に摺動自在に挿入されて前記シリンダ内を液体が充填される前記圧側室と伸側室とに区画するピストンと、前記圧側室に連通するリザーバと、前記伸側室から前記圧側室へ向かう液体の流れに抵抗を与える伸側減衰通路と、前記伸側減衰通路に並列に設けられ前記圧側室から前記伸側室へ向かう液体の流れのみを許容する圧側通路と、前記圧側室から前記リザーバへ向かう液体の流れに抵抗を与える圧側減衰通路と、前記圧側減衰通路に並列に設けられ前記リザーバから前記圧側室へ向かう液体の流れのみを許容する吸込通路と、前記圧側減衰通路及び前記吸込通路に並列に設けられ前記圧側室と前記リザーバとを連通するバイパス路と、を備え、
前記バイパス路の途中には、前記圧側室の圧力を調節する圧力制御要素が設けられる、
ダンパ制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/431,770 US9446649B2 (en) | 2012-09-27 | 2013-09-27 | Damper control device |
EP13841442.0A EP2902306B1 (en) | 2012-09-27 | 2013-09-27 | Damper control device |
KR1020157006458A KR101728254B1 (ko) | 2012-09-27 | 2013-09-27 | 댐퍼 제어 장치 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2012214410 | 2012-09-27 | ||
JP2012-214410 | 2012-09-27 | ||
JP2013-190097 | 2013-09-13 | ||
JP2013190097A JP6302196B2 (ja) | 2012-09-27 | 2013-09-13 | ダンパ制御装置 |
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WO2014051045A1 true WO2014051045A1 (ja) | 2014-04-03 |
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PCT/JP2013/076244 WO2014051045A1 (ja) | 2012-09-27 | 2013-09-27 | ダンパ制御装置 |
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US (1) | US9446649B2 (ja) |
EP (1) | EP2902306B1 (ja) |
JP (1) | JP6302196B2 (ja) |
KR (1) | KR101728254B1 (ja) |
WO (1) | WO2014051045A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015163425A1 (ja) * | 2014-04-23 | 2015-10-29 | カヤバ工業株式会社 | ダンパ制御装置 |
WO2015163426A1 (ja) * | 2014-04-23 | 2015-10-29 | カヤバ工業株式会社 | ダンパ制御装置 |
JP2016075332A (ja) * | 2014-10-06 | 2016-05-12 | Kyb株式会社 | 緩衝器 |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6349182B2 (ja) * | 2014-07-22 | 2018-06-27 | Kyb株式会社 | ダンパ制御装置 |
JP6482909B2 (ja) * | 2015-03-12 | 2019-03-13 | 株式会社ショーワ | 車両懸架システム |
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JP2016075332A (ja) * | 2014-10-06 | 2016-05-12 | Kyb株式会社 | 緩衝器 |
US10138977B2 (en) | 2014-10-06 | 2018-11-27 | Kyb Corporation | Shock absorber |
Also Published As
Publication number | Publication date |
---|---|
US20150239317A1 (en) | 2015-08-27 |
EP2902306A4 (en) | 2016-06-22 |
EP2902306B1 (en) | 2017-06-14 |
EP2902306A1 (en) | 2015-08-05 |
KR20150042844A (ko) | 2015-04-21 |
JP2014080184A (ja) | 2014-05-08 |
KR101728254B1 (ko) | 2017-04-18 |
US9446649B2 (en) | 2016-09-20 |
JP6302196B2 (ja) | 2018-03-28 |
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