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基于改进天牛须算法的转向系统研究

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农用自动转向系统要求较大的转向力矩、良好的可靠性等,而无刷直流电机具备低速大功率、启动转矩大、可靠性高、耐颠簸震动等特点,可以满足其要求。但传统PID控制的无刷直流电机存在响应慢、精度低等缺点,使其控制效果不甚人意。所以提出改进天牛须算法对其控制进行改进,通过建立电机模型,采用改进后的PID控制系统并完成仿真验证。经过仿真发现,经过改进天牛须算法优化后的转向控制系统具有良好的动、静态特性,转速相应快,抗干扰能力强,为农用转向系统研究提供有利的依据。
Research on Steering System Based on Improved Beetle Antennae Search Algorithm
Agricultural automatic steering system requires large steering torque,good reliability,etc.,while brush-less DC motor has the characteristics of low speed,high power,large starting torque,high reliability,and resistance to turbulence and vibration,which can meet its requirements.But the traditional PID control of brushless DC motor has some shortcomings,such as slow response,low accuracy,which makes its control effect unsatisfactory.In this paper,the improved beetle antennae search algorithm is proposed to improve its control.By establishing the motor model,the improved PID control system is adopted and the simulation verification is completed.Through simulation,it is found that the steering control system optimized by improved Beetle antennae algorithm has good dynamic and static charac-teristics,the speed is relatively fast,and the anti-interference ability is strong,which provides a favorable basis for the research of agricultural steering system.

Brushless DC motorPIDBeetle antennae algorithmSteering system

吴泽昊、毛宽民、宋昊、朱洲

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华中科技大学,湖北 武汉 430074

无刷直流电机 比例积分微分控制 天牛须算法 转向系统

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2021BFH02001

2024

计算机仿真
中国航天科工集团公司第十七研究所

计算机仿真

CSTPCD
影响因子:0.518
ISSN:1006-9348
年,卷(期):2024.41(9)
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