可编程序控制器PLC的抗干扰措施

对可编程序控制器系统常见的一些干扰现象进行分析，对不同的干扰采用了相应的防护措施。     

Evaluation of a proper controller performance for maximum-power point tracking of a stand-alone PV system

In this paper the implementation of a suggested stand-alone PV system, for maximum-power point tracking (MPPT), is carried out. Also, this paper presents a comparative study, through experimental work, between the conventional PI controller and the fuzzy logic controller (FLC) under different atmospheric conditions. The implemented system with both the PI controller and the FLC gives a good maximum-power operation of the PV array, but the tracking capability for different optimum operating points is better and faster for the case of using the FLC compared to the case of using the PI controller.     

用于快速P/G网分析的Cholesky分解法图模型

通过对Cholesky分解法求解线性方程组的分析，建立Cholesky分解法三角化对称正定阵的图模型，并基于该模型及Mesh结构P／G网络的自身特点，提出一个P／G网快速分析算法．实验证明，该算法能大大降低Mesh结构P／G网络的分析运算时间和内存占用．     

运用PLC技术改造385m~2凯利式叶滤机控制系统

根据生产实践 ,结合PLC的技术特点和 385m2 凯利式叶滤机的电气联锁特性 ,阐述了应用PLC技术 ,可进一步提高 385m2 凯利式叶滤机的运转率和自动化水平。     

基于P2P的协作系统研究

传统的协作存在固有的缺陷。系统可靠性和扩展性差，不能充分利用客户端资源。P2P系统不但架构灵活，有高可扩展性，而且能充分利用计算和网络资源。分析了协作系统采用P2P架构所具有的优点，并提出一个基于微软P2PSDK的协作系统设计与实现方案。     

一种基于GE90-30PLC的飞剪自动控制系统

本文介绍了调整线材轧线精轧机前专用于切头的启停式飞剪的自动控制系统。该系统以GE90—30PLC为控制核心，辅以热金属HMD、光电编码器等元件，能很好地完成飞剪的剪切及定位。其中着重阐述了飞剪控制中各个重要参数的计算原理和方法。     

AT91SAM7S64芯片I2C(TWI)接口应用开发

较为详细地介绍AT91SAM7S64芯片的I2C接口控制器中外围数据控制器(PDC)的使用方式,并将其与AT24C04之间的通信作为实例给出完整的应用开发流程和软硬件详细描述。该方法的可行性已经为工程实践和实际产品所证实。该操作也可推广到其他AT91SAM7S系列ARM处理器与其他I2C接口器件间的通信。并对其他拥有外围数据控制器的接口开发有一定的借鉴意义。     

PLC和变频器在空压机节能改造中的应用

针对空压机能耗大，噪音大，自动化程度低等缺点，提出利用可编程控制器和变频嚣实现对螺杆式空压机的节能改造方案。实验结果表明，该方案自动化程度高，节能效果明显，具有很大的实用价值。     

聚四氟乙烯薄膜压敏胶粘带的研制

主要介绍了聚四氟乙烯薄膜和有机硅压敏胶制造压敏胶粘带的方法。     

Vibration control of a flexible structure using a hybrid mount

This paper presents vibration control of a flexible beam structure using a hybrid mount which consists of elastic rubber and piezoelectric stack actuator. After identifying stiffness and damping properties of the rubber and piezoelectric elements, a mechanical model of the hybrid mount is established. The mount model is then incorporated with the beam structure, and the governing equation of motion is obtained in a state space. A sliding mode controller is designed in order to actively attenuate the vibration of the beam structure subjected to high-frequency and small magnitude excitations. The controller is experimentally realized and measured control responses such as acceleration of the beam structure and force transmission through the hybrid mount are evaluated and presented in both frequency and time domains.