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The influence of parameters and structure of Pi-type fuzzy-logic controller on DC drive system dynamics

机译:Pi型模糊逻辑控制器的参数和结构对直流传动系统动力学的影响

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The paper presents an analysis of the dynamical properties of the DC drive system with a fuzzy-logic speed controller in the presence of a wide-range changes of the drive system inertia. The influence of Pi-type fuzzy controller parameters (scaling factors) and structure (membership functions location and shape) on the dynamics of speed control ioop was tested in the presence of disturbances caused by the inertia load torque changes. The possibilities of this disturbance compensation using the on-line tuning of a chosen controller scaling factor or the modification of its membership function's shape were analysed. Drive system responses for both proposed strategies were illustrated by simulation results. These approaches have ensured the desired dynamics of the drive system operation for the wide range of disturbances caused by the drive system inertia changes.
机译:本文介绍了在存在大范围驱动系统惯性变化的情况下,采用模糊逻辑速度控制器对直流驱动系统的动力学特性的分析。在存在由惯性负载转矩变化引起的干扰的情况下,测试了Pi型模糊控制器参数(比例因子)和结构(隶属函数位置和形状)对速度控制环动力学的影响。分析了使用选定控制器比例因子的在线调整或修改其隶属函数形状进行扰动补偿的可能性。仿真结果说明了两种建议策略的驱动系统响应。这些方法已经确保了由驱动系统惯性变化引起的各种干扰所需要的驱动系统运行的动态特性。

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