PWM_svpwm

基于TMS320F2912实现永磁同步电机矢量控制的源代码(source code of PMSM FOC control based on TMS320F2812)

说明：  利用Freeman链码实现圆形物体的检测(Freeman chain code to use to achieve the detection of circular objects)

改主板设计是源于三相控制，用于逆变器的主控板，支持LCD,KEY,SVPWM ,AD 等 功能齐全。(Change the motherboard design is derived from phase control for inverter, the master control board, support LCD, KEY, SVPWM, AD and other functions.)

通过AD校正来提高2812 AD采样的精度，AD采样频率为10K，序列发生器SEQ1和SEQ2级联成一个16通道的序列发生器，采样模式采用顺序采样。利用通用定时器T1的周期中断事件来启动AD转换。(By AD 2812 AD correction to improve the accuracy of sampling, AD sampling frequency of 10K, the sequence generator SEQ1 and SEQ2 cascaded into a 16-channel sequencer, sampling mode with sequential sampling. The use of general-purpose timer T1 period interrupt event to start AD conversion.)

对载波相位平滑伪距的原理和数据预处理进行了探讨,给出提高其定位精度的处理方法和流程。通过 两个算例得到如下结论:对C1和P2码进行相位平滑可有效提高伪距定位精度,较长时间观测定位精度可达1 m 左右,利用精密星历改进后,平滑伪距的定位精度可达0. 5 m左右 对P1和P2码进行相位平滑对定位精度提高不 大,较长时间观测平滑前后的定位精度均可达到0. 6 m,利用精密星历改进后,精度可达0. 3 m 在动态测量后处理 中,绝大部分历元利用精密星历结合相位平滑的定位精度可达2 m。 (The principle and data preprocessing ofcarrier smoothed pseudorange are discussed and themethod which can improve the positioning accuracy and its flow are given.W ith thismethod two computation examples are made.The results show tha:t 1)the accuracy can be improved efficiently by using smoothed C1and P2pseudorange in static data processing, the accuracy can reach 1m if the time is long and can attain 0. 5m if the precise ephem- eris is taken 2)the accuracy can be boosthardly by using smoothed P1and P2pseudorange, but the accuracy can be improved from 0. 6m to 0. 3m if the time is long enough and the precise ephemeris isused 3)mostepochs can reach to the accuracy of2 m precision in kinematic positions if the smoothed code and precise ephemeris are uti- lized. )

说明：  广义旁瓣相消器（GSC）的波束形成算法及其改进(Beamforming algorithm of generalized sidelobe canceller (GSC) and its improvement)

使用Jakes所假设的模型，用来产生信道抽头延迟线模型中的抽头增益过程所需的多普勒频谱成形滤波器有多种实现方法。时域FIR滤波器是最常用的一种实现方法。(Assumed the use of Jakes model, used to generate the channel-tap-tap delay line model of the process gain the necessary Doppler spectrum shaping filter has a variety of implementations. Time domain FIR filter is an implementation of the most commonly used method.)

单模光纤中相干接收QPSK信号应用了CMA算法的简单DSP示例，自带vpa仿真数据。(A simple DSP example of CMA algorithm is used to receive QPSK signals coherently in single-mode optical fibers, with VPA simulation data.)

说明：  串口通信程序，带有GUI界面 串口通信程序，带有GUI界面 matlab(serial communication serial communicationserial communication matlab)

dugoff轮胎模型 输出量：纵向力(N),侧向力(N)； 输入量：轮胎垂向载荷(N),轮胎滑转率,轮胎侧偏角(rad),轮胎纵向附着系数,轮胎纵向刚度(N/rad),轮胎侧向刚度(N/rad)( Dugoff tire model Output: longitudinal force (N), lateral forces (N) Input: vertical tire load (N), the tire slip rate, the tire slip angle (rad), longitudinal tire adhesion coefficient, tire longitudinal stiffness (N/rad), the tire lateral stiffness (N/rad))