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Electric Motor HILS System Using Numerical Stabilization Technique for Simulating Nonlinear Coupled System

机译:采用数值稳定技术模拟非线性耦合系统的电动机HILS系统

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摘要

This paper introduces a stabilization technique of nonlinear coupled analysis for hydraulic excavators, in which a rigid body system and a hydraulic system are coupled. Also introduced is a "Hardware-In-the-Loop Simulation (HILS) "for electric motors, in which the above technique is exploited. The rigid body system consists of a rotating element and a linear motion element, and the stabilization technique converts the motion of the rotating element into linear motion, enabling the motion of both the systems to be described in an ordinary differential equation without introducing any constraint conditions for the rigid bodies. This enables a coupled analysis with one motion equation that shares the state quantities of both the systems, thus improving the stability of the numerical analysis. This technique has been used to simulate in realtime the actual load acting on the electric motor, which has been reproduced on a motor-load testing apparatus and has realized an electric motor HILS system.
机译:本文介绍了液压挖掘机非线性耦合分析的稳定技术,其中刚体系统和液压系统耦合。还介绍了电动机的“硬件仿真(HIL)”,其中利用上述技术。刚体系统由旋转元件和线性运动元件组成,并且稳定技术将旋转元件的运动转换为线性运动,使得两个可以在常微分方程中描述的系统的运动而不引入任何约束条件对于刚体。这使得具有与一个运动方程具有共享系统的状态量的耦合分析,从而提高了数值分析的稳定性。该技术已经用于实时模拟,该技术在电动机负载测试装置上进行了在电动机上的实际负载,并实现了电动机HILS系统。

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  • 来源
    《Kobelco technology review》 |2019年第37期|1-7|共7页
  • 作者

    Kei MORITA;

  • 作者单位

    Production Systems Research Laboratory Technical Development Group;

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  • 原文格式 PDF
  • 正文语种 eng
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