refactor(foc): 重构FOC控制算法与角度传感器接口

- 移除冗余的电机方向和极对数参数传递逻辑
- 简化电气角度计算函数,直接读取角度传感器数据
- 调整电压设置函数,优化PWM输出逻辑
- 注释掉未使用的速度开环控制调用,启用角度闭环控制
- 增加角度和速度获取接口,支持原始值和输出级值区分

feat(sensor): 完善角度传感器数据处理与速度估算
- 增加速度滤波缓冲区,提高速度估算精度
- 改进角度绕回检测阈值,增强鲁棒性
- 添加获取原始角度和速度的接口
- 增加SPI DMA传输超时打印信息

fix(can): 修正CAN通信中的数据打包与解析问题
- 正确发送电机实时速度数据
- 修正CAN FD数据包长度以匹配实际内容
- 角度目标值增加缩放因子适配外部控制指令
This commit is contained in:
cbb
2025-11-03 02:38:43 +08:00
parent 974b8e6675
commit 516a7bd41d
7 changed files with 152 additions and 122 deletions
+5 -3
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@@ -431,7 +431,7 @@ void CAN_transmiter::update(void) {
motor_temp = sampler.get_drv_temp() * 100;
Power_Voltage = sampler.get_vbus_voltage() * 1000;
rt_angle_union.f = KTH7823.getAngle();
rt_velocity_union.f = 0.0f;
rt_velocity_union.f = KTH7823.getVelocity();
Status_code = (gpio_input_bit_get(GPIOB, GPIO_PIN_2) == SET) ? 0 : 1;
Target_Control_Mode = FOC.control_mode;
@@ -621,7 +621,7 @@ u8 CAN_transmiter::CANFD_all_Send() {
pack_u16_to_bytes(transmit_data, 11, Power_Voltage);
pack_float_to_bytes(transmit_data, 13, rt_angle_union);
pack_float_to_bytes(transmit_data, 17, rt_velocity_union);
success_flag += CANFD_Send(STATUS_ID, 20, transmit_data);
success_flag += CANFD_Send(STATUS_ID, 24, transmit_data);
// 打包config数据
transmit_data[0] = controller_Mode;
@@ -671,8 +671,10 @@ void CAN_transmiter::communication_check() {
unpack_bytes_to_float(receive_message.rx_data, 3).f;
FOC.is_shut_down = 100; // 1s滤除启动电流
}
FOC.target_angle =
target_angle_union.f =
unpack_bytes_to_float(receive_message.rx_data, 7).f;
FOC.target_angle = target_angle_union.f * ANGLE_FACTOR;
target_velocity_union.f =
unpack_bytes_to_float(receive_message.rx_data, 11).f;
FOC.target_velocity = target_velocity_union.f * ANGLE_FACTOR;
+5 -3
View File
@@ -166,9 +166,11 @@ void TIMER2_IRQHandler(void) {
system_runtime_us += 100;
// 每100us执行一次的操作
sampler.update_current(); // 更新电流采样值
KTH7823.update(); // 更新角度传感器值
FOC.velocity_open_loop(FOC.target_velocity); // 速度开环控制
sampler.update_current(); // 更新电流采样值
KTH7823.update(); // 更新角度传感器值
// FOC.velocity_open_loop(); // 速度开环控制
// FOC.velocity_control(FOC.target_velocity); // 速度闭环控制
FOC.angle_control(FOC.target_angle);
if (total_us100_counter >= 10) {
// 每1ms执行的代码
+51 -7
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@@ -2,6 +2,8 @@
#include "gd32c10x_dma.h"
#include "gd32c10x_gpio.h"
#include "gd32c10x_spi.h"
#include <cstdio>
#include <cstring>
#include <stdint.h>
#define SPI_CS_ENABLE() gpio_bit_reset(GPIOA, GPIO_PIN_15)
@@ -103,6 +105,7 @@ int spi_rw_half_word_dma(uint32_t spi_periph, uint16_t tx_data,
// 禁用DMA通道
dma_channel_disable(DMA0, DMA_CH2);
dma_channel_disable(DMA0, DMA_CH1);
printf("SPI DMA transfer timeout\r\n");
return -1;
}
@@ -206,11 +209,14 @@ float angle_sensor::read_sensorAngle(void) {
} else {
SPI_CS_DISABLE();
// 处理读取错误
// printf("Error reading angle from sensor.\n");
printf("Error reading angle from sensor.\n");
return FAULT_RECEIVE; // 错误返回
}
}
/**
* @brief 更新传感器角度(输出级)
* @return 累积角度值
*/
float angle_sensor::update(void) {
float currentAngle = read_sensorAngle();
@@ -225,22 +231,60 @@ float angle_sensor::update(void) {
// 处理角度绕回情况(0度和360度之间的跳变)
// 如果变化超过180度,说明发生了绕回
if (delta > 180.0f) {
if (delta > 270.0f) {
// 从接近360度绕回到接近0度
delta -= 360.0f;
} else if (delta < -180.0f) {
} else if (delta < -270.0f) {
// 从接近0度绕到接近360度
delta += 360.0f;
}
m_cumulativeAngle += delta / REDDUCTION_RATIO;
std::memmove(velocity, velocity + 1, VEL_FILTER_SIZE * sizeof(float));
velocity[VEL_FILTER_SIZE - 1] = delta * 1e4;
m_cumulativeAngle += delta;
m_lastAngle = currentAngle;
return m_cumulativeAngle;
}
float angle_sensor::getAngle(void) const { return m_cumulativeAngle; }
/**
* @brief 获取累积角度值(输出级)
* @return 累积角度值
*/
float angle_sensor::getAngle(void) const {
return m_cumulativeAngle / REDDUCTION_RATIO;
}
/**
* @brief 获取累积角度值(原始级)
* @return 累积角度值
*/
float angle_sensor::getRawAngle(void) const { return m_cumulativeAngle; }
/**
* @brief 获取速度值(输出级)
* @return 速度值(输出级)
*/
float angle_sensor::getVelocity(void) const {
return getRawVelocity() / REDDUCTION_RATIO;
}
/**
* @brief 获取速度值(原始级)
* @return 速度值(原始级)
*/
float angle_sensor::getRawVelocity(void) const {
float velocity_filted = 0;
for (int i = 0; i < VEL_FILTER_SIZE - 1; i++) {
velocity_filted += velocity[i];
}
return velocity_filted / VEL_FILTER_SIZE;
}
/**
* @brief 重置累积角度值
*/
void angle_sensor::reset(void) {
m_cumulativeAngle = 0.0f;
m_firstUpdate = true;
+7 -1
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@@ -11,6 +11,8 @@ u16 spi_rw_half_word(u32 spi_periph, const u16 i_HalfWord);
int spi_rw_half_word_dma(uint32_t spi_periph, uint16_t tx_data,
uint16_t *rx_data);
constexpr u16 VEL_FILTER_SIZE = 24;
class angle_sensor {
public:
angle_sensor();
@@ -18,13 +20,17 @@ class angle_sensor {
float update(void);
void reset(void);
float getAngle(void) const;
float getRawAngle(void) const;
float getVelocity(void) const;
float getRawVelocity(void) const;
protected:
void KTH7823_init(void);
bool m_firstUpdate;
float m_lastAngle;
float m_cumulativeAngle;
float m_lastcumulativeAngle;
float velocity[VEL_FILTER_SIZE] = {0.0f};
};
#ifdef __cplusplus