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首页> 外文会议>IEEE Conference on Systems, Process and Control >The significance of prioritized weight in WTRI based fitness function on PSO algorithm under different range of moment of inertia of a DC motor
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The significance of prioritized weight in WTRI based fitness function on PSO algorithm under different range of moment of inertia of a DC motor

机译：直流电动机不同惯性矩下基于PSO算法的WTRI适应度函数中优先权重的意义

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摘要

In optimizing PID controller's parameters using any optimization algorithm, fitness function is one of the important area to be explored. Among frequently used fitness function is a weighted transient response index (WTRI) where the weight is given to each of the transient response component including rise time, settling time, overshoot and steady state error based on their priority set in specification of the control system. This paper analyzed the significance of 3 weight categories (2 prioritized and 1 non-prioritized) on each of the transient response components under different moment of inertia, represented by 3 DC motors. The result show a significant effect of both prioritized weight on the transient response component for a moment of inertia of 0.038 Kgm2 and above. Below this value of moment of inertia, no significant difference can be seen either on prioritized or non-prioritized weight categories.
机译：在使用任何优化算法优化PID控制器的参数时，适应度函数是要探索的重要领域之一。在常用的适应度函数中，有一个加权的瞬态响应指数（WTRI），其中权重根据控制系统规格中设置的优先级分配给每个瞬态响应分量，包括上升时间，稳定时间，超调和稳态误差。本文分析了在3个直流电动机代表的不同惯性矩下，每个瞬态响应分量上3个权重类别（2个优先级和1个非优先级）的重要性。结果表明，在0.038 Kgm2及以上的惯性矩下，两种优先权重对瞬态响应分量的影响都很大。低于此惯性矩值，无论是优先还是未优先权重类别，均无明显差异。

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