风电机组新型传动控制系统设计  

Design of a Novel Drive Train for Wind Turbine with Stepless Speed Regulation

作　　者：李奇敏[1] 杨鑫[1] 

机构地区：[1]重庆大学机械工程学院,重庆400044

出　　处：《机械科学与技术》2014年第7期957-960,共4页Mechanical Science and Technology for Aerospace Engineering

基　　金：中央高校基本科研业务费科研专项自然科学类项目(CDJZR10110027)资助

摘　　要：研究了一种新型无级调速传动系统,行星轮系与导叶可调式液力变矩器耦合形成了该无级调速传动系统。运用流体力学能头理论建立风电机组新型传动系统的非线性动态数学模型。本系统采用自适应模糊PID控制器,此控制器是基于模糊理论和PID控制原理建立的,并应用MATLAB/SIMULINK建立系统仿真模型,与常规PID控制器进行仿真结果的对比。结果表明:其控制效果强于常规PID,其具有更高的控制精度,更小的超调量。仿真结果表明:该控制器能够实现传动系统的无级调速,并具有好的稳定性和可靠性,传动效率较高。A novel drive train for wind turbines with stepless speed regulation is studied in this paper. The novel drive train consists of a planetary gear train and a hydrodynamic torque converter with adjustable guide blades. The nonlinear dynamic mathematical model of the novel drive train with wind turbine is established on the basis of hydrodynamics energy head theory. A fuzzy PID controller applied to the system is designed based on fuzzy theory and PID control theory. Numerical simulation of the fuzzy PID controller is carried out by using MATLAB/ SIMULINK softwre. Compared with the effect of the traditional PID controller, the fuzzy PID controller has advantages with higher precision and smaller overshoot. The results also indicate that the novel drive train based on fuzzy PID control can successfully realize stepless speed regulation with good stability and reliability. The high transmission efficiency of the system is also proved.

关 键 词：风电机组 无级调速 自适应模糊PID控制器 MATLAB SIMULINK 

分 类 号：TM315[电气工程—电机]