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首页> 外文会议>Fifth International Conference on Electronic Measurement amp; Instruments (ICEMI'2001) Vol.1 Nov 18-21, 2001 Guilin, China >Programmable Current Power Amplifier's Research of Magnetic Bearing
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Programmable Current Power Amplifier's Research of Magnetic Bearing

机译：电磁轴承可编程电流功率放大器的研究

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摘要

According to the special requisition of the magnetic bearing system, a set of programmable current power amplifier which consists of ten channels has been developed out. Its kernel adopts switching principle, current closed loop negative feedback, and the technology of PID modulation. The programmable part achieves absolute digital interface, and the range of current output is OA～2A, its resolution can get to 1mA. The whole system has the characteristics of high-stability, low power waster, quick response speed and superior linearity. Experimental results have verified the high-precision and program-controllable characteristics of the module, it completely meets the special requirements of magnetic bearing drive-system.
机译：根据磁轴承系统的特殊要求，已开发出一套由十个通道组成的可编程电流功率放大器。其内核采用开关原理，电流闭环负反馈和PID调制技术。可编程部分实现了绝对数字接口，电流输出范围为OA〜2A，分辨率可达1mA。整个系统具有高稳定性，低功耗，响应速度快，线性度高的特点。实验结果证明了该模块的高精度和程序控制特性，完全满足电磁轴承驱动系统的特殊要求。

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