Computer-controlled Dc Speed ​​control System Design And Implementation

Since 1980 the research on digital direct current tuning-speed system has developed greatly. Currently Single-chip computers are adopted wildly in the tuning-speed system for building the digital-triggers, realize sampling control algorithm and forming trigger-timing pulse ect.. The thesis discuss the design and implementation of direct current tuning-speed system controlled by computer and Single-chip computer.. There are two parts in this digital tuning-speed system mainly: personal computer (upper level unit) and single-chip computer unit. Data sampling and control algorithm realizing are completed in the upper level unit, and the digital trigger is built in the lower level unit. The building of upper level unit not only simplifies the hardware structure of single-chip computer unit, but also makes the system more flexible for implementing and changing of control algorithm, supervising of running states and the designing of man-machine interface. The general development on direct current tuning-speed system is introduced in the first chapter briefly; form chapter 2 to chapter 5, the hardware design and calculation of the system are discussed indetail. The software design and flow charts are given in chapter 6; and the last chapter summarizes strong and weak points of the tuning-speed system.