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lingo学习教程。主要用于优化设计，确定最优方案，分析各分量的约束条件。(Lingo learning tutorial. Mainly for the optimization design, determine the optimal scheme, analysis of the components in the constraint condition. )

portA blink mcs-51 for interface

说明：  180度舵机可以由按键控制，缓慢转180度(The 180 degree steering gear can be controlled by keys and rotates 180 degrees slowly)

8279 的应用。 键盘和数码管显示。 有仿真和keil 的 ASM 源码。(8279 application. Keyboard and digital display. A simulation and keil the ASM source code.)

传统的数据采集仪器（如示波器、频谱仪等）尽管采集速率大，但往往功能单一，且造价昂贵，不适合用于多通道、低速率的场合。使用LabVIEW编写的虚拟仪器，功能强大且易于开发，能方便地实现数据实时显示和保存。(Traditional data collection instruments (such as an oscilloscope, spectrum analyzer, etc.) even though a large collection rate, but often single function, and expensive, not suitable for multi-channel, low-rate occasions. Written in LabVIEW virtual instrument to use, powerful and easy to develop, easy to implement real-time data display and preservation.)

基于STM32F103战舰版的RC522程序(RC522 program based on STM32F103 warship Edition)

ekf，即扩展卡尔曼滤波器，对于研究电机滑膜控制有所帮助(ekf, ie, extended Kalman filter, the research motor control synovial helpful)

本文基于宁东直流输电工程的实际设备的数据,在PSCAD/EMTDC中建立了包含换流器、换流变压器、直流滤波器、交流滤波器和无功补偿设备、平波电抗器以及直流输电线路的模型,并按照CIGRE直流输电系统基准模型的典型控制方式,建立了初步的直流输电三级控制结构,并分析了控制逻辑中PI环节参数的选择问题：基于BPA仿真模型中的元件模型与参数,在PSCAD/EMTDC中建立了山东电网500kV动态等值之后的交流系统模型,包括发电机、励磁机、调速器、电力系统稳定器、变压器、负荷以及输电线路等设备的模型,利用PSCAD/EMTDC自定义开发功能,用C语言开发了励磁系统自定义饱和模块。(Based on the data of the actual device Ningdong HVDC projects established comprising converter, converter transformers, DC filters, AC filter and reactive compensation devices, smoothing reactors and DC transmission line in PSCAD/EMTDC in the model and follow the typical control mode CIGRE HVDC system reference model, the establishment of a preliminary three HVDC control structure, and analyze the selection control logic PI link parameters: BPA-based simulation model component model and parameters in PSCAD/EMTDC established a dynamic equivalence Shandong power grid after the 500kV AC system model, including the model generator, exciter, governor, power system stabilizer, transformers, load and power transmission lines and other equipment, the use of PSCAD/EMTDC custom development capabilities, using C language to develop custom saturation block the excitation system.)

说明：  stm32f103测正弦波、方波的波形频率。(Measurement of waveform frequency by STM32F103.)

dspic33fj128mc804开发板例程，包含了按键、液晶显示、定时器中断、DMA、CAN、串口UART调试以及PWM等功能，讲解详细，可移植，初学者的福利！(dspic33fj128mc804 routine development board that contains buttons, LCD display, timer interrupt, DMA, CAN, serial UART debugging and PWM functions, explained in detail, portable, welfare beginners!)