基于模糊免疫PID的CVT速比控制研究

doi:10.16578/j.issn.1004.2539.2013.02.011

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基于模糊免疫PID的CVT速比控制研究

更新时间：2025-04-03

- 基于模糊免疫PID的CVT速比控制研究
- Vol. 37, Issue 2, Pages: 4-7+12(2013)
- 作者机构：
  
  上海理工大学机械工程学院
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2013.02.011
  CLC： TH132.46
- Published：2013
- 稿件说明：
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[1]周萍,金贤建,孙跃东.基于模糊免疫PID的CVT速比控制研究[J].机械传动,2013,37(02):4-7+12.

[J]. 2013, 37(2): 4-7+12.
[1]周萍,金贤建,孙跃东.基于模糊免疫PID的CVT速比控制研究[J].机械传动,2013,37(02):4-7+12. DOI： 10.16578/j.issn.1004.2539.2013.02.011.

[J]. 2013, 37(2): 4-7+12. DOI： 10.16578/j.issn.1004.2539.2013.02.011.

摘要

针对装备金属带式无级变速器的某款车型

确定了发动机的目标转速调节特性曲线和无级变速器的目标速比

建立了CVT液压控制执行机构的数学模型。考虑到CVT速比控制的时变非线性和时滞耦合性的特点

借鉴生物免疫系统中的免疫反馈原理

结合模糊控制和PID控制各自的优点

设计了模糊免疫PID速比控制器

并在Simulink环境下对CVT整车模型起步、急加速和上坡工况进行了仿真分析。结果表明

模糊免疫PID速比控制能够很好地跟踪目标速比

具有良好的动态响应性能和较高的稳态控制精度。

Abstract

Aiming at a certain motorcycle type equipped with the metal-belt continuously variable transmission（CVT）

target rotation speed adjustment characteristics of its engine is established.The aimed speed ratio of CVT is calculated

the mathematical model of hydraulic control and execution system of CVT is created.Considering time variable nonlinear and the time lag coupling features of speed ratio control

according to the immune feedback principle in the biological immune system and the advantages of both fuzzy and PID control

a fuzzy immune PID speed ratio controller is designed.The start-up

acceleration and gradient conditions of CVT complete vehicle model simulation analysis are carried out in simulink conditions.The results show that the fuzzy immune PID speed ratio control can track the target speed ratio well and has a good dynamic response and high control accuracy of steady state.

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