The vector control strategy of the space - vector pwm voltage source inverter - fed induction machine was studied later . a rotor - oriented control system of induction machine was advanced , whose arithmetic is simple and is convenient to operate economically . lots of experiment was done on a self - made digital motor control platform , which was developed by using tms320lf2407a 接着,本文对svpwm电压源逆变器应用于先进的感应电机矢量控制系统进行了探讨,并在一个自制的、基于tms320lf2407a最小控制系统的电机数控实验平台上,实现了一种算法简单、应用方便的电压源供电型感应电机转子磁场定向控制方案。
The main function of the module is as follows : it can detect the cw signal transmitted by the active sonar , and measure the frequency of target signal and the direction of target . it can execute the tracking order sent by the display and control platform , and track the searched target , measure the target signal repetition intervals and target distance , and give the reliability of estimated distance 该软件的主要功能包括:对主动声呐cw脉冲信号进行检测,测量目标信号的中心频率,测定目标的方位;执行显控台跟踪命令,对搜索到的目标进行跟踪,测量目标信号的重复周期,测定目标的距离,给出距离测量值的置信度。
This monitoring system adopted the configuration software as developing tool of human - machine interface of upper strata , which give full play to the characteristic of abundant human - machine interface of configuration software ^ strong communication protocol supportingx convenient user ' s secondary development , etc , and developed monitor and control platform of upper strata 本监控系统采用组态软件作为上层人机界面的开发工具,充分发挥了组态软件丰富的人机界面、强大的通信规约支持、方便的用户二次开发等特点,对上层监控平台进行开发。
By reviewing some shortcomings in traditional construction of measurement & control platform in thermal - hydraulics area , a new way to construct distributed measurement & control platform based on delaminating and modeling is introduced , combined with today ' s technology of computer and network 摘要通过对传统的热工数据测控平台构建过程中存在的问题进行描述,结合当前的计算机、网络技术的发展,提出了一种基于分层、模块化的分布式数据测控平台构建方案,有效地减少了测控系统构建过程中不必要的重复开发。
The universal metrical control platform can connect various can nodes to form metrical control network . it can also connect other kind nodes ( such as industrial control units , intelligent nodes , intelligent building units and telecommunication nodes ) that have rs485 / 422 or profibus interfaces , be widely used in various metrical control area 在此通用测控平台基础上构建测控系统,能将各种使用can 、 rs - 485 / 422和profibus等总线接口通讯的现场控制单元、智能网络节点、智能楼宇单元和远程通讯节点等连接成通用的测控网络,广泛应用于工业控制等各个领域。