An important part of the train traction system is linear induction motor ( lim ) , whose characters have a great impact on the performance and economy index of the train 直線感應電機作為中低速磁浮列車牽引系統(tǒng)的重要組成部分,其性能對列車運行特性及經(jīng)濟指標有重要影響。
And this driving type results in the disadvantages of metro project such as the high cost of construction and maintenance , the big noise of vibration . the linear metro , which is droved by linear induction motor ( lim ) , needn ’ t intermediate gearing and is droved to advance directly by the electromagnetic thrust between primary and secondary of lim . its force of traction is no longer restricted with the track adherence and the wheel only plays the support and guidance role 電磁氣隙是直線感應電動機的一個重要參數(shù),氣隙的變化會直接影響到電磁推力、初級電流等電機特性,而推力和電流對地鐵的穩(wěn)定運行起著至關重要的作用,所以對地鐵中直線感應電動機的性能及氣隙變化對電機性能的影響進行分析研究具有非常重要的意義。
For the practical application , in this paper a kind of measure and control system which based on labwindows / cvi and dasylab and can complete the data acquisition and process control of the linear induction motor ( lim ) and electromagnet testbench is built . the testbench is used on the research of the key technologies of the meglev train 本文從實際應用出發(fā),針對用于對磁浮列車關鍵技術進行研究的直線電機( lim )與電磁鐵試驗臺,基于labwindows cvi與dasylab組建了一套對試驗臺進行數(shù)據(jù)采集、過程控制的測控系統(tǒng)。