本文介绍了以TMS320 LF 2407a为核心控制器的步进电机自动升降速控制系统与PC机的通讯及程序设计方法。
It's introduced that the controlling system in raising and reducing speed of stepper motor that is based on core controller, TMS320LF2407A, communicates with PC, as well as the method of programming.
当启动频率较高时，启动时会造成失步，而停止时由于惯性作用又会发生过冲，所以在步进电机控制中必须要采取升降速控制措施。
When the startup speed is higher, stepping motor will lose steps. While stopping, it will also lose steps because of inertia. So, it needs to take speed control measures on control of stepping motor.
提出了数控系统中一种新的指数升降速控制曲线算法-加权补偿法，该算法用加权平均及权值修正技术，解决了数控系统中指数升降速控制曲线不能任意动态调整的难题。
This algorithm USES weighting mean and modified weight to solve the problem of that the exponential curve of acceleration and deceleration could not be dynamical adjusted freely in CNC.
点动控制是数控系统手工调节过程中不可缺少的一个重要功能，而点动过程则需要自动升降速。
As an important function of a numerical control (nc) system, pointing control is indispensable during manual adjusting process.
微机控制、变频调速、触摸面板、可编程操作、具有RCF自动计算与设定、0至9档升降速可调。
Control of microcomputer, frequency control of motor speed, touching panel, programmable operation with RCF automatic computing and setting, adjustable rise-and-fall speed from grade 0 to 9.
微机控制、变频调速、触摸面板、可编程操作、具有RCF自动计算与设定、升降速可调。
Control of microcomputer, frequency control of motor speed, touching panel, programmable operation with RCF automatic computing and setting, adjustable rise-and-fall speed.
介绍了8051系列单片机对步进电机的控制方法，并且提出和对比了几种步进电机升降速曲线的设计方案。
A method which control the step motor with 8051 microcontroller is introduced, some methods in speed-up and speed-down curve design are compared.
微机控制，直流无刷电机驱动，无碳刷粉尘污染，快速升降速，操作简便，自动平衡，噪声低，振动小。
It is controlled by computer and driven by DC brushless motor without carbon powder pollution. It is self-balance running with low noise and slight vibration. The speed rise or drop quickly.
微机控制，直流无刷电机驱动，无碳刷粉尘污染，快速升降速，操作简便，自动平衡，噪声低，振动小。
It is controlled by computer and driven by DC brushless motor without carbon powder pollution. It is self-balance running with low noise and slight vibration. The speed rise or drop quickly.
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