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CN113891814A - 一种混合动力系统的控制方法及系统 - Google Patents

一种混合动力系统的控制方法及系统 Download PDF

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Publication number
CN113891814A
CN113891814A CN201980094205.1A CN201980094205A CN113891814A CN 113891814 A CN113891814 A CN 113891814A CN 201980094205 A CN201980094205 A CN 201980094205A CN 113891814 A CN113891814 A CN 113891814A
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China
Prior art keywords
motor
engine
rotating speed
speed
equal
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CN113891814B (zh
Inventor
吕凤龙
张磊
徐亚美
王飞
张正兴
张斌
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Weichai Power Co Ltd
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Weichai Power Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Automation & Control Theory (AREA)
  • Power Engineering (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

一种混合动力系统的控制方法，该方法应用于由发动机(10)和电机(20)构成的混合动力系统，电机(20)的电机定子(21)通过传动机构(32)与机动车辆的驱动轴(40)连接，以使得驱动轴(40)转动时带动电机定子(21)转动；电机(20)用于根据电机转速，确定输出扭矩并向驱动轴(40)传输；电机转速等于电机转子(22)的转速与电机定子(21)的转速的差值；该方法根据混合动力系统的运行参数和机动车辆的运行参数，控制电机控制器向电机定子提供驱动信号，以使电机的运行参数满足第一预设公式，从而避免了电机在各种工况下运行在0转速或低转速区间的可能，避免了电机在这些运行状态下效率和扭矩响应等性能较差的问题出现，提升了用户体验。还提供了一种实现混合动力系统的控制方法的控制系统。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
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