Discusses the problems existing in the door motor of elevator, puts forward the system project which takes DSP digital signal processing technology as core, DC brushless motor as driver.
探讨了目前电梯门机系统存在的问题，提出了应用DSP数字信号处理技术为核心，无刷直流电机为驱动机的系统方案。
To make the servo system have the expected its, it s especially important for selection of DC bus voltage in servo driver.
在伺服系统中要使系统能够满足所期望的性能，伺服系统驱动器直流母线电压的选择尤为重要。
The problems in elevator door-motor system and picks up the system scheme which adopts the DC brushless motor to act as driver motor based on MSP430F149 is analysed.
详细分析了目前电梯门机系统存在的问题，提出了以MSP430F149单片机为核心，无刷直流电动机为驱动机的系统方案。
The application of PWM driver program in DC-motor speed regulation system was implemented.
实现了PWM驱动程序在直流电机调速控制中的应用。
DC power supply is mainly provide constant voltage power supply for control circuit, driver circuit and a variety of protection circuits and allows the system to work properly.
直流稳压电源主要是用于对系统中的控制电路、驱动电路以及各种保护电路提供恒压电源，使得系统能够正常工作。
The estimate method of DC load and AC load based on the bus in microcomputer application system is introduced. The load driver and the balance of single direction and dual direction bus are focused.
介绍了总线直流负载和交流负载的估算办法，也为解决单向总线和双向总线的负载驱动及平衡问题提出了具体的解决方案。
The estimate method of DC load and AC load based on the bus in microcomputer application system is introduced. The load driver and the balance of single direction…
介绍了总线直流负载和交流负载的估算办法，也为解决单向总线和双向总线的负载驱动及平衡问题提出了具体的解决方案。
The estimate method of DC load and AC load based on the bus in microcomputer application system is introduced. The load driver and the balance of single direction…
介绍了总线直流负载和交流负载的估算办法，也为解决单向总线和双向总线的负载驱动及平衡问题提出了具体的解决方案。
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