在当今工程领域中，随着电子技术的发展和数字控制理论的成熟，采用通用数字信号处理器进行实时数字信号处理已经成为一个非常热门的主题，并且是非常具有挑战性的工作。近年来随着DSP技术发展产品的成熟以及各种应用的深入，原来依赖于计算机的控制器转向同样具有高速处理能力但是体积小的DSP平台。 本文依据电液伺服控制系统的设计方案和数学模型为理论基础，以芯片DSPF2812信号处理器为核心，完成了电液伺服控制系统设计。首先，将控制系统分为主机板控制电路和测量电路两大部分。主机板控制电路包括：JTAG、存储器扩展、串口通信、供电电源与电源监测复位电路、D/A电路、液晶显示等几大电路模块；测量电路主要包括：压力、温度、液位信号采集调理电路。同时还完成其它辅助电路：如报警电路、伺服阀控制电路。其次，给出系统硬件接口的初始化和部分中断程序代码。如：SCI初始化及接收信息的中断通讯程序代码、A/D及D/A转换中断程序代码、LCD初始化及显示程序代码。然后以通用PID控制算法为基础，研究了模糊自适应PID控制算法，并结合系统的数学模型，利用Matlab工具箱Simulink对控制算法进行仿真。结果表明，模糊自适应PID控制算法与传统的PID控制算法相比，模糊自适应PID控制算法具有更佳的控制指标。同时，系统采用Lab Windows/CVI设计上位机人机交互界面，实现了系统通信。最后，对系统可能存在的干扰进行了分析，从硬件和软件角度给出了系统抗干扰方法。

Along with the development of electronic technology and the maturation of digital control theory, in the current engineering research area, using common digtal signal processor to process real-time digital signal is a hot subject, which is a very challenge work．Recently, as the development of DSP technology, the maturity of DSP products and DSP goes deep into many kinds of applications，more and more controllers based on computer move to small size of the DSP platform，which has the same processing capability as computer． In this paper, the scheme of design based on electro-hydraulic servo control system and mathematical model, use the chip DSPF2812 signal processor core, completed the design of electro-hydraulic servo control system. Firstly, the control system is divided into the control circuit of motherboard and measurement circuit two-part to design. Motherboard control circuitry includes: JTAG, memory expansion, serial communication, power supply and power monitor reset circuit, D/A circuit, liquid crystal display several major circuit module. Measuring circuit include: pressure, temperature, liquid level, signal acquisition conditioning circuit. Also perform other auxiliary circuit:such as alarm circuit, servo valve control circuit. Secondly, given the system hardware interface code of the initialization and partial disruption, such as: SCI interrupt initialization and receive information communication program code, A/D and D/A converter interrupt program code, LCD initialization and display program code; and then the general PID control algorithm based on, research of fuzzy adaptive PID control algorithm, combined with the mathematical model using Matlab Simulink toolbox software simulation of the control algorithm. The results show that the fuzzy adaptive PID control algorithm compared with the traditional PID control algorithm, fuzzy adaptive PID control algorithm with better control of properties. Meanwhile, the use of Lab Windows / CVI PC computer interface design, to achieve system communication. Finally, there may be interference with the system were analyzed, respectively, From the perspective of hardware and software system anti-interference method are given.