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前言用现代控制理论设计系统都需信号处理,因此广泛采用微处理器。高动态性能系统的采样周期约为1毫秒,故需高速处理器,以便在此周期时间内完成信号处理及执行控制任务。由于近几年微电子学的突飞猛进,市场上已有许多性能高、体积小而价格低廉的高速处理器,适合于作信号处理、状态控制及观测器等算法的运算,促进了现代控制理论的应用并改变了传统系统控制的结构,而随着应用的推广又提出了许多新的实际问题,这些问题又促使微电子学及现代控制理论进一步向前发展。信息技术的功能影响控制系统的进展,下面分别对信息技术在控制系统中的作用与控制系统的发展两方面分别进行说明。
Preface The design of modern control theory requires signal processing system, so extensive use of microprocessors. High dynamic performance system sampling period of about 1 millisecond, so the need for high-speed processor, in order to complete the signal processing and control tasks in this cycle time. Due to the rapid development of microelectronics in recent years, there are many high-speed processors with high performance, small size and low price in the market, which are suitable for computing algorithms such as signal processing, state control and observer, and promote the modern control theory Applied and changed the structure of traditional system control, and with the promotion of the application and put forward many new practical problems, these problems have prompted the microelectronics and modern control theory to move forward further. The function of information technology affects the progress of the control system. The following separately describes the function of information technology in the control system and the development of the control system respectively.