magnetic bridge 中文意思是什麼
magnetic bridge
解釋
測量導磁率電橋-
Symmetrical double yoke permeameter magnetic bridge
對稱雙軛磁導計 -
Third, this thesis analyzes the angle - control theory based on half bridge converter, and proposes a new way to find the optimized angle. simulation is performed to verify the results. then, this thesis introduces the hardware and software design of the digital control system of doubly salient electro - magnetic motor, which mainly discusses the speed and current loops and angle optimization control
再次，本文介紹了角度控制與電機轉向的關系，並對基於半橋變換器的電勵磁雙凸極電動機換相角與相電流及輸出轉矩的關系進行了理論分析和模擬驗證，提出了優化電勵磁雙凸極電機換相角的方法。 -
On the base of it, convert the wire rope lma signal to corresponding electricity signal according to the theory of magnetic bridge
在此基礎上，運用磁橋路原理，把鋼絲繩的金屬截面積損失信號轉化為相應的電信號。 -
According to the reality of engineering, the article makes a deep study of the electricity - magnetism detection of the loss of metallic cross - sectional area of wire rope, brings forward a designing method of lma detecting sensor based on the theory of magnetic bridge, develops out a data collecting and dealing system that is assorted to it, and accomplishes all the designing and confecting work of the hardware and software of the system
金屬截面積損失是一種較常見且非常重要的鋼絲繩缺陷，本論文結合工程實際，對鋼絲繩金屬截面積損失信號的電磁法定量檢測作了深入的研究。提出了一種基於磁橋路原理的鋼絲繩金屬截面積檢測傳感器的設計方法，研製出與之相配套的數據採集與處理的cpu系統，完成了系統各部分軟硬體的開發與調試工作。 -
The article probes into the theory of detection, analyze the magnetic bridge by the ideal mathematics model. study the ability of differentiation by the axes of the theory of magnetic bridge and design the corresponding sensor to make the converting come to reality
本論文對該檢測原理進行了具體的探討，通過建立數學模型對其進行了磁路分析，研究了磁橋路檢測原理的軸向解析度，且設計並製作出相應的缺陷檢測傳感器，實現了鋼絲繩金屬截面積損失信號向電信號的轉換。 -
Finally, after calculating iron loss and copper loss with the magnetic field analysis, use it as a heat source, and conduct a non - stationary analysis independently with the three dimensional thermal analysis which concentrates on the effect of the heat transfer coefficient on the temperature rise. in this paper, a bipolar switched reluctance machine system model is also established with an h bridge converter as its power circuit topology
另外，本文還建立了雙極型sr電機系統模型，採用了h橋式功率主電路，詳細分析了其工作原理，並在磁場、損耗等方面與採用不對稱半橋變換器的傳統單極型sr電機系統進行了對比。 -
In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system
在實時控制系統的設計中，本文以三相全橋mosfet逆變電路作為實時控制主電路，採用120導通方式結合半橋pwm調制的控制方案，從而有效地避免了橋臂的直通短路；本文用單電流傳感器實現對相電流的檢測，來自位置傳感器的三相位置信號不僅為逆變電路提供換相信息，而且也用於基於信號周期測量的轉速檢測，這樣就省去了速度傳感器；系統採用的是速度、電流雙閉環控制策略，力求構建高性能的稀土永磁無刷直流電動機全數字實時控制系統。
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