DRIVING SUPPORT DEVICE
DRIVING SUPPORT DEVICE
- Neue Suche nach: HORIGUCHI AKINOBU
- Neue Suche nach: KUWABARA SATORU
- Neue Suche nach: SONOKI MAKOTO
- Neue Suche nach: KAWASHIMA YOHEI
- Neue Suche nach: YAGATA HIDEO
- Neue Suche nach: HORIGUCHI AKINOBU
- Neue Suche nach: KUWABARA SATORU
- Neue Suche nach: SONOKI MAKOTO
- Neue Suche nach: KAWASHIMA YOHEI
- Neue Suche nach: YAGATA HIDEO
To suppress a driver's shaking although slip-down has occurred when an own vehicle has been stopped on a slope of a low μ road surface.SOLUTION: A DSS_ECU 45 provided in a driving support device comprises a slip-down determination part, a brake torque estimation part, a slip rate setting part, and a drive torque setting part. The slip-down determination part detects stepping-down on a brake pedal, and determines slip-down of an own vehicle M from a relationship between wheel speed of each drive wheel Aw (FI, Fr, RI, Rr) and vehicle speed. The brake torque estimation part estimates a brake torque acting on each drive wheel Aw at the time of slip-down. The slip rate setting part sets a slip rate λ of each drive wheel Aw at the time of slip-down on the basis of a preset slip distribution. The drive torque setting part sets a drive torque for driving each drive wheel Aw against the estimated brake torque, on the basis of the slip rate λ of each drive wheel Aw.SELECTED DRAWING: Figure 1
【課題】低μ路面の坂路で自車両を停車させた際に、ずり下がりが発生しても運転者の動揺を抑制することができるようにする。【解決手段】運転支援装置に設けたＤＳＳ＿ＥＣＵ４５は、ずり下がり判定部と制動トルク推定部とスリップ率設定部と駆動トルク設定部を備える。ずり下がり判定部はブレーキペダルの踏込みを検出し、且つ各駆動輪Ａｗ（Ｆｌ，Ｆｒ，Ｒｌ，Ｒｒ）の車輪速度と車体速度との関係から、自車両Ｍのずり下がりを判定する。制動トルク推定部はずり下がり時の各駆動輪Ａｗに作用する制動トルクを推定する。スリップ率設定部はずり下がり時の各駆動輪Ａｗのスリップ率λを予め設定されているスリップ分布に基づいて設定する。駆動トルク設定部は各駆動輪Ａｗのスリップ率λに基づき、推定した制動トルクに抗して各駆動輪Ａｗを駆動させる駆動トルクを設定する。【選択図】図１
Dokumentinformationen
DRIVING SUPPORT DEVICE
運転支援装置
2023-01-26
Patent
Elektronische Ressource
Japanisch
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