变阻尼磁联轴器转速控制方法

IF 1.2 4区工程技术 Q3 ENGINEERING, MECHANICAL

Mechanics & Industry Pub Date : 2020-01-01 DOI:10.1051/meca/2020027

Z. Jian, L. Kun

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引用次数: 0

摘要

永磁联轴器(PMC)在水下航行器中用于将力矩从电机传递到螺旋桨，无泄漏和摩擦。PMC输出转速稳定性是PMC输出振动较小的重要指标。为了提高输出转速的稳定性，本文基于拉格朗日方程分析了PMC的动态特性。通过主转子和从转子产生的角相来表示其动态特性。角相随阻尼系数、扭转刚度和转动惯量的变化而变化。分析了这些参数对角相位的影响，揭示了这些参数与角相位之间的规律。在此基础上，提出了一种变阻尼控制方法。利用该方法设计了一种基于电磁阻尼效应原理的变阻尼控制器。通过理论计算和有限元分析对该方法进行了验证。最后，设计了一种新型的变阻尼PMC，提高了PMC输出转速的稳定性。

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Rotational speed control of magnetic coupling with variable damping method

Permanent Magnetic Coupling (PMC) is used in underwater vehicle to transmit torque from the motor to propeller without leakage and friction. Output rotational speed stability of PMC is an important index indicating the PMC output makes smaller vibration. To improve the stability of the output rotational speed, PMC dynamic characteristic was analyzed based on Lagrange equation in this paper. The dynamic characteristic was indicated by the angular phase generated by the master rotor and the slave rotor. The angular phase varied with the damping coefficient, torsional rigidity and rotational inertia of PMC. These parameters' influence on the angular phase was analyzed and the results revealed the rules between these parameters and the angular phase. Based on the rules, a variable damping method was proposed to control the angular phase. The angular phase changed smoothly with this method that was used to design a variable damping controller based on electromagnetic damping effect principle. This method was verified by theoretical calculation and finite element analysis (FEA). Finally, a novel variable damping PMC was designed to improve the output rotational speed stability of PMC.

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来源期刊

Mechanics & Industry ENGINEERING, MECHANICAL-MECHANICS

CiteScore

2.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： An International Journal on Mechanical Sciences and Engineering Applications With papers from industry, Research and Development departments and academic institutions, this journal acts as an interface between research and industry, coordinating and disseminating scientific and technical mechanical research in relation to industrial activities. Targeted readers are technicians, engineers, executives, researchers, and teachers who are working in industrial companies as managers or in Research and Development departments, technical centres, laboratories, universities, technical and engineering schools. The journal is an AFM (Association Française de Mécanique) publication.