To detect the cascade lock of various vehicles.SOLUTION: A cascade lock preventive device 50 includes: a brake pressure sensor 17; a brake torque calculating portion 23 which calculates brake torque from brake pressure; a wheel speed sensor 18; a wheel deceleration calculating portion 24 which calculates wheel deceleration from vehicle speed; an inertial moment setting portion 25 which sets the inertial moment of a wheel and a vehicle; a wheel stopping torque calculating portion 26 which calculates wheel stop torque for stopping rotations of the wheel from the wheel deceleration and the inertial moment of the wheel; a vehicle stop torque calculating portion 27 which calculates the vehicle stop torque for stopping the vehicle from the wheel deceleration and the inertial moment of the vehicle; a cascade lock detecting portion 28 which detects a degree of cascade lock from the degree of difference between the brake torque, the wheel stop torque, and the vehicle stop torque; and a travel control portion 29 which controls the travel operation of the vehicle according to the degree of the cascade lock.SELECTED DRAWING: Figure 3

    【課題】種々の車両のカスケードロックを検出する。【解決手段】カスケードロック防止装置50は、ブレーキ圧センサ17と、ブレーキ圧からブレーキトルクを算出するブレーキトルク算出部23と、車輪速センサ18と、車輪速から車輪減速度を算出する車輪減速度算出部24と、車輪および車両の慣性モーメントを設定する慣性モーメント設定部25と、車輪減速度と車輪の慣性モーメントとから車輪の回転を停止させるための車輪停止トルクを算出する車輪停止トルク算出部26と、車輪減速度と車両の慣性モーメントとから車両を停止させるための車両停止トルクを算出する車両停止トルク算出部27と、ブレーキトルクと車輪停止トルクおよび車両停止トルクとの差異の程度からカスケードロックの度合を検出するカスケードロック検出部28と、カスケードロックの度合に応じて車両の走行動作を制御する走行制御部29とを備える。【選択図】図3


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    Title :

    CASCADE LOCK PREVENTIVE DEVICE


    Additional title:

    カスケードロック防止装置


    Contributors:

    Publication date :

    2020-04-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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