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利用easyx写的矩阵键盘仿真，希望可以给爱好者提供参考。(Use easyx wrote matrix keyboard emulation, hoping to provide a reference for enthusiasts.)

说明：  程序为基于Zigbee无线通信的点对多点无线通信源程序。ZigBee堆栈是在IEEE 802.15.4标准基础上建立的，定义了协议的MAC和PHY层。CC2430为基于51核心的高性能芯片。程序的编译平台为chipcon公司的IAR..(program of CC2430 )

降压斩波电路仿真，可以加深对dcdc变换的理解(Buck chopper circuit simulation, you can deepen the understanding of the DCDC transform)

单玉米 多目录 绑定转向 win32 sdk开发(single directory bundled with more corn to the development of win32 sdk)

isight与adams、MATLAB、adaqus等集成源程序(isight and adams, MATLAB, abaqus and other integrated source)

智能风扇pwm控制电机转速调速系统毕业设计资料(Intelligent fan pwm control motor speed governor system graduated design information)

12F629开发的中控锁,可以控制两个继电器.带学习功能(Lock 12F629 developed to control the two relays. With learning function)

IC(PIC16F690)驱动程序C语言代码，为需要帮助的人提供方便，互相帮助！(IC (PIC16F690) driver C language code, for the people who need help to facilitate and help each other!)

针对多电机同步控制中传统环形耦合 PID 控制存在抗扰动性不强 扰动下同步误差较大等问题， 提出了一种带前馈控制的滑模变结构多电机相邻耦合控制策略， 建立了3 台永磁同步电动机同步控制仿真模 型， 通过 Lyapunov 稳定性理论证明了滑模控制算法的稳定性， 并进行了交变负载 突变负载实验 仿真分析和 实验结果表明， 该控制策略相比传统环形耦合 PID 控制 相邻耦合 PID 控制具有更高的同步精度和更好的抗扰 动性能(Abstract: Aiming at the problem of poor anti-disturbance capability and big synchronization error under disturbance of traditional ring-couple PID control method in multi-axis synchronization control，a sliding mode variable structure with feed-forward control for relative coupling control strategy is proposed． Three Permanent Magnet Synchronous Motor ( PMSM) for synchronized control simulation modl is set up． The stability of the proposed control algorithm is proved according to Lyapunov stability theory． The control strategy is tested by alternating load，and mutant load experiment． Simulation analysis and experimental results show that the presented control strategy has higher synchronization accuracy and better anti-disturbance capability in camparison with the traditional ring-couple PID control and relative-couple PID control．)

用89C51单片机控制的直流电机C语言程序，程序简单有中文解释！(89C51 microcontroller with the control of DC motor C language program, the program simple to explain in Chinese!)