通过对系统的硬件及软件的设计，实现了对电梯门机系统安全、可靠、平稳控制的目的。
The design of hardware and software is finished, the purpose of safety, credibility and stabilization is realized.
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。
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.
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 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.
以80c196单片机为核心，构成双极式直流pwm电梯门机可逆调速系统。
A bipolar DC PWM reversible speed-adjusting system is constituted by 80c196 single chip computer for elevator door machine.
作为电梯系统的关键部件，电梯门机控制系统的重要性不言而喻。
As an important part of the elevator, the elevator door control system cannot be ignored.
系统选择MSP430F149单片机作为电梯门机控制系统的核心，兼顾性能与成本等因素。
The MSP430F149 MCU is selected as the control center of elevator door motor control system.
电梯门机是电梯的重要组成部分，是电梯系统中动作最频繁、也是直接面对乘客的部分。
The elevator door-motor is one of crucial components in elevator system, which works most frequently in the elevator and is directly used by passengers.
电梯门机是电梯的重要组成部分，是电梯系统中动作最频繁、也是直接面对乘客的部分。
The elevator door-motor is one of crucial components in elevator system, which works most frequently in the elevator and is directly used by passengers.
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