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申请号:201911292431.9 公开号:CN110940532A 主分类号:G01M17/007
摘要:【中文】本发明提供了一种整车能量流测试系统及方法,涉及整车能量流测试技术领域。该整车能量流测试系统包括上位机和与上位机通信连接的数据采集单元,数据采集单元用于同步采集并记录整车的多个子系统的实时数据,并将实时数据传递至上位机。上位机用于接收并监测实时数据,以获取整车级能量流。该整车能量流测试系统能够实现整车级的能量流测试,了解分析整车在不同使用环境、不同使用工况下能量流情况,从而为整车各系统、各部件效率优化及降低整车能量消耗率提供依据和支撑,提高整车系统集成匹配能力,优化整车架构及整车控制策略。 【EN】The invention provides a whole vehicle energy flow testing system and method, and relates to the technical field of whole vehicle energy flow testing. The finished automobile energy flow testing system comprises an upper computer and a data acquisition unit in communication connection with the upper computer, wherein the data acquisition unit is used for synchronously acquiring and recording real-time data of a plurality of subsystems of a finished automobile and transmitting the real-time data to the upper computer. The upper computer is used for receiving and monitoring real-time data so as to obtain the whole vehicle-level energy flow. The whole vehicle energy flow test system can realize the whole vehicle-level energy flow test, and understand and analyze the energy flow condition of the whole vehicle under different use environments and different use working conditions, so that a basis and a support are provided for the efficiency optimization of each system and each component of the whole vehicle and the reduction of the energy consumption rate of the whole vehicle, the integration matching capability of the whole vehicle system is improved, and the whole vehicle framework and the whole vehicle control strategy are optimized.
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申请号:201911283393.0 公开号:CN110979301A 主分类号:B60W10/08
摘要:【中文】本发明的实施例提供了一种坡道辅助起步控制方法、坡道辅助起步控制系统和车辆,涉及车辆控制系统技术领域。该坡道辅助起步控制方法包括建立防溜坡扭矩值预测机制;根据防溜坡扭矩值预测机制,计算防溜坡扭矩预测值;获取整车行驶状态信息;根据行驶状态信息,控制驱动电机系统进入坡道辅助起步模式;根据防溜坡扭矩预测值,输出防溜坡扭矩目标值,并进入维持零转速的扭矩控制系统。该坡道辅助起步控制方法能够确定车辆在坡道上静止所需的防溜坡扭矩值,防止车辆后溜,有助于实现车辆的坡道起步。 【EN】The embodiment of the invention provides a hill start assisting control method, a hill start assisting control system and a vehicle, and relates to the technical field of vehicle control systems. The hill auxiliary starting control method comprises the steps of establishing a hill-slip prevention torque value prediction mechanism; calculating a predicted value of the slope slipping prevention torque according to a slope slipping prevention torque value prediction mechanism; acquiring the running state information of the whole vehicle; controlling the driving motor system to enter a hill auxiliary starting mode according to the driving state information; and outputting a target value of the slope slipping prevention torque according to the predicted value of the slope slipping prevention torque, and entering a torque control system for maintaining zero rotating speed. The hill start assisting control method can determine the anti-creep torque value required by the vehicle to be stationary on the hill, prevent the vehicle from slipping backwards and contribute to realizing hill start of the vehicle.
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