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申请号:201911352671.3 公开号:CN111016680A 主分类号:B60L15/20
摘要:【中文】本发明公开了一种用于燃料电池车的驻坡控制方法,其包括步骤:步骤100:基于车辆状态和实时计算的坡度判断车辆是否进入驻坡控制功能;步骤200:在驻坡控制功能下,基于实时计算的坡度和实时获取的车速获取预控扭矩;基于实时计算的车速差获得P反馈控制扭矩和I反馈控制扭矩;步骤300:基于预控扭矩、P反馈控制扭矩和I反馈控制扭矩输出第一驻坡扭矩,直至车速达到目标控制车速0km/h;步骤400:一旦车速达到目标控制车速0km/h,则基于预控扭矩和I反馈控制扭矩输出第二驻坡扭矩,直至出现驻坡控制功能退出条件。此外,本发明还公开了一种用于燃料电池车的驻坡控制系统,其执行上述的驻坡控制方法。 【EN】The invention discloses a hill-holding control method for a fuel cell vehicle, which comprises the following steps: step 100: judging whether the vehicle enters a hill-holding control function or not based on the vehicle state and the real-time calculated gradient; step 200: under the slope control function, acquiring a pre-control torque based on the slope calculated in real time and the vehicle speed acquired in real time; obtaining P feedback control torque and I feedback control torque based on the vehicle speed difference calculated in real time; step 300: outputting a first hill-holding torque based on the pre-control torque, the P feedback control torque and the I feedback control torque until the vehicle speed reaches a target control vehicle speed of 0 km/h; step 400: and once the vehicle speed reaches the target control vehicle speed of 0km/h, outputting a second hill-holding torque based on the pre-control torque and the I feedback control torque until a hill-holding control function quit condition appears. In addition, the invention also discloses a hill-holding control system for the fuel cell vehicle, which executes the hill-holding control method.
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