CONTROL DEVICE OF VEHICLE

• Main Authors: TSUMURA KAZUNORI, TAKAHARA YASUNORI, UMEZU DAISUKE, FUJISHITA HIROFUMI
• Format: Patent
• Language: English; Japanese
• Published: 31.10.2019
• Subjects: ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; PERFORMING OPERATIONS; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT; TRANSPORTING; VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES; VEHICLES IN GENERAL

To adequately suppress an incongruity imparted to a driver caused by vehicle yaw control by performing the vehicle yaw control by taking into consideration a road face friction coefficient, in a control device of a vehicle for performing the vehicle yaw control for adding a yaw moment to the vehicle.SOLUTION: A control device of a vehicle has: a steering device including a steering wheel 6 or the like; a brake device 16 which can add different brake forces to left and right wheels; and a PCM 14 including a processor or the like. When a yaw rate correlation value correlated with a yaw rate of a vehicle reaches a prescribed threshold or larger at a return operation of the steering device, the PCM 14 performs vehicle yaw moment control for controlling the brake device so as to add a yaw moment which is reverse to a yaw rate generated at the vehicle to the vehicle, and when lateral acceleration generated at the vehicle is small, decreases the threshold more than the case that the lateral acceleration is not small.SELECTED DRAWING: Figure 6 【課題】ヨーモーメントを車両に付加する車両ヨー制御を行う車両の制御装置において、路面摩擦係数を考慮して車両ヨー制御を実行することで、当該制御によりドライバに与える違和感を適切に抑制する。【解決手段】車両の制御装置は、ステアリングホイール６などを含む操舵装置と、左右の車輪に異なる制動力を付与可能なブレーキ装置１６と、プロセッサなどを含むＰＣＭ１４と、を有する。ＰＣＭ１４は、操舵装置の戻し操作時に、車両のヨーレートに関連するヨーレート関連値が所定の閾値以上となったとき、車両に発生しているヨーレートとは逆回りのヨーモーメントを車両に付加するようにブレーキ装置を制御する車両ヨー制御を実行し、車両に発生している横加速度が小さいときには、そうでないときよりも、閾値を小さくする。【選択図】図６