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關注：1
2013-05-23 12:21
求翻譯：主要介紹了直流電動機PWM的系統原理，設計了調速系統，分析了直流脈寬調速系統的機械特性，最后建立了PMW控制與變換器的模型是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
主要介紹了直流電動機PWM的系統原理，設計了調速系統，分析了直流脈寬調速系統的機械特性，最后建立了PMW控制與變換器的模型
問題補充： |
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2013-05-23 12:21:38
Introduces the system principle of PWM DC motor, speed control system designed to analyze the DC PWM speed control system of the mechanical properties, and finally established the model PMW control and converter
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2013-05-23 12:23:18
The principal introduced the DC motors PWM systems theory, and design the speed control system to analyze the DC pulse width speed control system has been established for mechanical properties, and finally the model PMW control and converters
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2013-05-23 12:24:58
Mainly introduced the direct current motor PWM system principle, has designed the velocity modulation system, has analyzed the direct-current pulse width velocity modulation system physical characteristics, finally has established the PMW control and the converter model
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2013-05-23 12:26:38
Main DC motor PWM system principle was introduced, designed the speed control system, analysis of mechanical property of DC PWM speed regulating system, and finally established the PMW converter and control model
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2013-05-23 12:28:18
正在翻譯，請等待...
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