PROBLEM TO BE SOLVED: To suppress the deviation of a vehicle from a lane resulting from the displacement of a steering angle neutral point.SOLUTION: A drive support ECU 10 comprises a neutral point displacement detection part 30. The neutral point displacement detection part 30 calculates the displacement of a steering angle neutral point which is recognized by an EPS. ECU 70 when an ignition switch is turned on. After the neutral point displacement detection part 30 calculates the displacement of the steering angle neutral point, the neutral point displacement detection part transmits a permission signal for permitting the execution of lane maintenance support control to a control amount calculation part 20, and when the displacement of the steering angle neutral point is not smaller a threshold, the neutral point displacement detection part transmits a correction steering angle θa for compensating for the displacement of the steering angle neutral point to the control amount calculation part 20. The control amount calculation part 20 sets a value which is obtained by adding the correction steering angle θa to a base target steering angle θbase* to a final target steering angle θ*.SELECTED DRAWING: Figure 1
【課題】 舵角中立点のずれに起因して車両が車線から逸脱してしまうことを抑制する。【解決手段】 運転支援ECU10は、中立点ずれ検出部30を備えている。中立点ずれ検出部30は、イグニッションスイッチがオンすると、EPS・ECU70が認識している舵角中立点のずれを演算する。中立点ずれ検出部30は、舵角中立点のずれを演算した後に、制御量演算部20に対して車線維持支援制御の実施を許可する許可信号を送信するとともに、舵角中立点のずれが閾値以上である場合には、舵角中立点のずれを補償するための補正舵角θaを制御量演算部20に送信する。制御量演算部20は、基本目標舵角θbase*に補正舵角θaを加算した値を最終的な目標舵角θ*に設定する。【選択図】 図1
STEERING SUPPORT DEVICE OF VEHICLE
車両の操舵支援装置
2018-08-09
Patent
Electronic Resource
Japanese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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