Fish-tank-system

基于TI公司的msp430g2553单片机的lcd显示程序，好用(Based on TI company s msp430g2553 MCU LCD display program, absolutely easy to use)

本项目是基于Cortex-M3 的地沟油快速检测装置，旨在实现“地沟油”快速，现场检测。MCU控制可编程的直接数字频率合成器（DDS）产生正弦激励信号，经过可变增益放大器（VGA）和低通滤波器（LPF）作用于食用油阻抗传感器（实验室制作）信号经过仪器放大器送入微控制器（MCU）的模数转化（ADC）通道，MCU对采集的信号通过快速傅里叶变换（DFT）处理，实现食用油阻抗与相角的检测；USB和以太网接口，可与计算机通讯，以便对采集的数据进行存储和分析。(The project is based on the Cortex-M3 waste oil rapid detection device designed to achieve " waste oil" rapid, on-site testing. MCU control programmable direct digital frequency synthesizer (DDS) generates sinusoidal excitation signal through a variable gain amplifier (VGA) and a low-pass filter (LPF) acting on the oil-impedance sensor (lab produced) to send signals through the instrumentation amplifier into the microcontroller (MCU) modulo conversion (ADC) channels, MCU signal acquisition via Fast Fourier Transform (DFT) processing, oil resistance and phase angle detection USB and Ethernet interfaces, and computer communication, in order to collect data for storage and analysis.)

按键判断 进行行扫描m表示对应的行数 n表示对应的列数 对应数值亮(Judgment keystroke scan lines express the corresponding m number of rows n that corresponds to the number of rows corresponding numerical Liang)

c51单片机的sle4442卡的读写加密验证程序 已通过(c51 microcontroller sle4442 card reader encrypted authentication procedure has been adopted)

国内专业手机生产厂商PCBA验收检验标准！！！(Professional mobile phone manufacturer PCBA test)

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．)

实现ADT7310温度采集并传输到M25P16上存储(Achieve ADT7310 temperature acquisition and transfer to the storage on the M25P16)

说明：  基于无人机，组合导航实现联邦滤波器。代码(UAV-based, integrated navigation filter to achieve Federation. Code)

说明：  基于飞思卡尔DG128的方波，适合学生学习(Based on Freescale DG128 square wave, suitable for students)

二维弹性常值边界元程序BEM2C++，二维边界元，弹性静力学(2 Dimensional elastic constant BEM program BEM2C++)