Efficiency Improvement Control Strategy Based on MFPR Regulator in Range Extender Generation System

WANG Xiaoyuan; Lü Haiying; SUN Qiang

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Efficiency Improvement Control Strategy Based on MFPR Regulator in Range Extender Generation System

更新时间：2025-12-08

- Efficiency Improvement Control Strategy Based on MFPR Regulator in Range Extender Generation System
- Vol. 44, Issue 1, Pages: 296-303(2018)
- 作者机构：
  
  1. 天津大学电气自动化与信息工程学院
  2. 天津农学院工程技术学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 January 2018，
  
  Published：2018
- 稿件说明：
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WANG Xiaoyuan, Lü Haiying, SUN Qiang. Efficiency Improvement Control Strategy Based on MFPR Regulator in Range Extender Generation System[J]. 2018, 44(1): 296-303.
DOI：

WANG Xiaoyuan, Lü Haiying, SUN Qiang. Efficiency Improvement Control Strategy Based on MFPR Regulator in Range Extender Generation System[J]. 2018, 44(1): 296-303. DOI：

摘要

为了优化增程式电动汽车增程模式时的系统效率、降低系统排放

通过发动机以及发电机高效工作区的匹配

设计了增程器高效区内分段功率跟随控制策略。发动机的转速根据驱动需求功率的大小以及效率曲线设置特定工作点

分别在特定工作点连续调节发电机的转矩

实现了发动机转速和发电机转矩的解耦控制。为了保证控制系统的响应速度并提高控制的鲁棒性

在不同转速下对发电机转矩采用多比例谐振控制器（MFPR）以实现系统控制目标的快速无静差跟踪。采用频域响应特性详尽研究了多比例谐振控制器及各参数对系统动、静态性能与稳定性影响

提出了系统参数设计的方法。设计后控制系统相角裕度满足30o<γ<60o

幅值裕度满足h>6 d B

获得适合增程器发电机控制的稳定的高鲁棒性的功率跟随控制方法。最后

通过系统仿真和实验验证了所设计的功率跟随控制具有良好的动态响应与稳定性。

Abstract

The key to control the range extender generation system is to improve efficiency and reduce the emission of the electric vehicle.In this paper

based on the purpose of efficiency optimization

both engine and generator are matched to get a public high-efficiency region

and a multi-point speed switching power following control strategy is presented.Engine speed is operated on the defined points according to required driving power and minimum fuel consumption curve.The engine speed is constant

and then generator torque is regulated on each constant speed points.Engine speed and generator torque are decoupled.To ensure the response characteristics of control system and improve the robustness

a multi-frequency proportional resonant controller（MFPR） is adopted to eliminate static error of generator output current.The impacts of MFPR controller parameters on system’s characteristics and stability are analyzed.A general method for control system parameters design and stability design is proposed by using the control theory criterion.The phase margin of the designed control system is 30o<γ<60o

the amplitude margin is h>6 d B which meet the stability requirements.The simulation and experiment verify that the designed power following control strategy has good dynamic response and stability.

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