In this thesis , a single disk rotor supported by two rolling bearings is used for studies , and a new method of reducing the vibration is proposed . the main works of this thesis are as follows : based on the comparison of various control methods for vibration suppression , a kind of passive electro - magnetic damper is presented . the structure of it is similar to that of the active magnetic bearing 为了降低转子的振动,增加系统的稳定性,本文在总结当前国内外学者研究的基础之上,提出了被动式电磁阻尼器的概念,并确立了本文的研究目标和研究方法:以工程应用为背景,结合转子动力学理论、电磁学理论以及数据采集技术,以理论辅以实验的方法,对被动式电磁阻尼器特性进行深入研究。
Against the status of large scale ultra low frequency air spring vibration isolation platform , which is low damping and poor performance of low frequency , and after analyzing the existing key damping system , a new type differential electromagnetic damping system ( emds ) is developed in this article in order to reduce the resonance peak of the platform effectively and improve the low frequency performance of the platform 本文针对大型超低频空气弹簧隔振平台阻尼小、低频隔振性能较差的现状,在比较多种提供阻尼力的方法后,提出了用电磁力作为隔振平台的阻尼力,并开发研制了差动式电磁阻尼器系统。该系统可以有效降低隔振平台的谐振峰值,从而达到了提高隔振平台低频性能的目的。