结果表明换向理论分析是正确的。
The results showed that the theoretical analysis of commutation war correct.
本文根据直流电机换向理论，给出了一种分析直流电机换向火花的方法。
Based on the theory of commutation in DC machines, this paper describes a numerical analysis method for analysis of the commutation spark.
针对目前我国油田增产节能的迫切需要，棘轮换向节能式抽油机具有重要的理论意义和实用价值。
China's oil output for the current urgent need for energy conservation, the energy-saving pumping unit change direction by ratchet has important theoretical and practical value.
第五章基于可靠性相关理论，揭示了换向器片间介电强度检测的实质，即其本身是一项可靠性筛选试验。
In chapter 5, the essence of the commutation's dielectric strength detecting is one of screening test of reliability.
以自动控制原理(经典控制理论)和现代控制理论等为理论基础，加热炉控制采用了改进型双交叉限幅、模糊控制、脉冲控制和换向控制等最为常用的控制技术。
Based on classical control theory and modern control theory, many control philosophies such as modified DCL, fuzzy control, digital pulse and cycling regenerative time control have been developed.
以自动控制原理(经典控制理论)和现代控制理论等为理论基础，加热炉控制采用了改进型双交叉限幅、模糊控制、脉冲控制和换向控制等最为常用的控制技术。
Based on classical control theory and modern control theory, many control philosophies such as modified DCL, fuzzy control, digital pulse and cycling regenerative time control have been developed.
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