工程是基于stm32f107所设计的电机测量
*******************************************************
v0.7.5
硬件如下:
1:TIM2_CH2和TIM3_CH2是捕捉口,其中TIM3_CH2采用重映射(第一个设计者蛋疼的设计)
2:TIM4是发送定时器
3:TIM5是采样定时器
4:USART2和上位机通信,采用115200 8N1方式,采用端口重映射(第一个设计者蛋疼的设计)
5:DAC1和DAC2用于电机转速调节
软件如下:
1:采用中断响应的结构,大大提高单片机的处理能力,和实时响应性能
2:取消没有必要的DMA通道,减少功耗和处理响应时间
3:采用一种低频算周期的方法计算,统一分频,避免变频操作
协议如下:
1:发送报文P和Q分别代表转速和转矩,后4字节是16进制的数据,eg: P0123Q4567 转速:291 转矩:17767
2:接收报文M和N分别代表DAC1和DAC1,后4字节是16进制的数据,eg: M0123N0456 Vdac1:0.291 Vdac2:1.110
*******************************************************
v0.7.8
硬件变动:
1:取消TIM5,使得XL的也能适应该项目
软件变动:
1:取消高频测频率的方法,5ms*200的话分辨率在200,会达到2%的误差,弃用。
2:正加16维的数组进行均值滤波,达到平滑效果。
协议变动:
1:弃用上个接收报文方案,直接用单字节,DAC1范围0x00~0x14 DAC2 0x20~0x34 ,分别对应不同档位。
*******************************************************
v0.8.3
硬件变动:
1:添加TIM5作为高频测量方法的定时器50ms,用于测量扭矩,
软件变动:
1:转速采用60个方波为一个周期进行计算,在宏定义那里可以修改方波数,平均之后更新数据。
2:TIM3RE采用了高频测量方法,数据稳定。
3:添加了滑动滤波器,可以选择是否使用。
存在问题:
1:错误数据也存入了发送数组,应该采用防脉冲滤波器进行数据剔除。
2:经过测试,结合QT上位机的显示情况,转速不应该添加16滑动平均滤波器和采用10个方波周期,显示稳定。
*******************************************************
v0.8.5
硬件变动:无
软件变动:
1:扭矩采用20个滑动滤波,减少突变情况,去除步进为20的误差。
2:删除一些弃用的代码。
3:添加机器初始化代码。
协议声明:
1:上位机串口发送0x00-0x14为DAC1的输入数据,电压变动范围0.0v-3.3v,0x00为关闭DAC1
2:上位机串口发送0x20-0x34为DAC2的输入数据,电压变动范围0.0v-3.3v,0x20为关闭DAC2
3:相关程序存放在DAC文件夹里面
*******************************************************
v0.9.0 (————样机初版————)
硬件变动:
1:主板为第四版机电
2:signal1为扭矩,signal2为转速。
软件变动:
1:串口为115200,8位无校验位,与QT程序(v530)一致。
2:TIM2转速(低频),TIM3扭矩(高频)。
*******************************************************
v0.9.2 (————样机初版————)
硬件变动:
无
软件变动:
1:串口(USART2)用DMA方式发送,采用DMA1的通道7(硬件上规定的)。串口接收保持使用中断形式。
2:删除了发送报文打包函数和中断发送的代码。
3:删除了LCD显示驱动、ADC采样驱动、PWM驱动,但源文件还保留。
4:将滤波预处理函数从usart2.c移动到timer.c里面。
5:使用定时器对DMA发送速度进行控制。
6:删除一些不用的代码。
7:添加killkill.bat批处理脚本,用于删除编译后的文件,减少体积。
*******************************************************
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基于STM32F103单片机-电机转速转矩测量系统课程设计
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【作品名称】:基于STM32F103单片机-电机转速转矩测量系统【课程设计】 【适用人群】:适用于希望学习不同技术领域的小白或进阶学习者。可作为毕设项目、课程设计、大作业、工程实训或初期项目立项。 电机转速转矩测量系统分两部分: 1.基于STM32F103单片机的信号采集模块。 2、用Qt编写的界面显示软件 ##环境 Keil uVision4 J-Link ARM V4.50l驱动 ##演示说明 打开MotorMeasurement\STM32F103\USER\test01.uvproj编译并下载程序到板子上 然后打开上位机QT程序,点击开始,打开电机,即可看到测量数据。
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