Fuzzy Decoupling Control of Secondary Regulation Loading System
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摘要: 二次调节加载系统要求具有输出稳定转矩与转速的能力,但二次调节加载系统是一个非常复杂的机电液耦合系统,受外界负载扰动影响,输出转矩与转速极容易波动。针对这一问题,在综合考虑系统液压与机械结构特点基础上,建立了二次调节加载系统数学模型。设计出了模糊解耦控制器,通过对角解耦方法实现了系统转速部分与转矩部分的解耦。设计了模糊控制器实现了系统转速与转矩的高精度控制。仿真分析验证了该模糊解耦控制器能有效控制系统输出转矩与转速。Abstract: A secondary regulation loading system must have the ability to produce stable torque and speed.Howev-er,it is a very complex coupling system and its torque and speed fluctuate very easily.To solve this problem,we analyze the characteristics of the system's hydraulic and mechanical structures and establish the mathematical model of the secondary regulation loading system.We then design a fuzzy decoupling controller and successfully decouple the system's coupling relationship with the diagonal decoupling method. We also design a couple of fuzzy controllers to achieve the high-precision control of the system's speed and torque.Finally,the computer simulation results and their analysis show that the fuzzy decoupling controller can effectively control the output torque and speed of the sec- ondary regulation loading system.
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