pid控制 python代码
时间: 2023-11-13 10:54:29 浏览: 32
以下是一个简单的 Python PID 控制器的代码示例:
```python
class PIDController:
def __init__(self, Kp, Ki, Kd, setpoint):
self.Kp = Kp
self.Ki = Ki
self.Kd = Kd
self.setpoint = setpoint
self.last_error = 0
self.integral = 0
def update(self, feedback_value, dt):
error = self.setpoint - feedback_value
self.integral += error * dt
derivative = (error - self.last_error) / dt
output = self.Kp * error + self.Ki * self.integral + self.Kd * derivative
self.last_error = error
return output
```
相关问题
简单的PID控制python代码
好的,以下是简单的PID控制的Python代码:
```python
# define PID parameters
Kp = 0.5
Ki = 0.1
Kd = 0.2
# define initial error and integral
error = 0
integral = 0
# PID loop
while True:
# measure system output
output = measure_output()
# calculate error
error = setpoint - output
# calculate integral
integral = integral + error
# calculate derivative
derivative = error - prev_error
# calculate control variable
control_variable = Kp*error + Ki*integral + Kd*derivative
# update previous error
prev_error = error
# apply control variable to system input
apply_control(control_variable)
```
希望这能帮到你!还有什么问题可以问我哦~
pid控制算法python代码
下是一个使用位置式PID控制算法的Python代码示例:
```python
class PID:
def __init__(self, P=0.2, I=0.0, D=0.0):
self.kp = P
self.ki = I
self.kd = D
self.uPrevious = 0
self.uCurrent = 0
self.setValue = 0
self.lastErr = 0
self.preLastErr = 0
self.errSum = 0
self.errSumLimit = 10
def pidPosition(self, curValue):
err = self.setValue - curValue
dErr = err - self.lastErr
self.preLastErr = self.lastErr
self.lastErr = err
self.errSum += err
outPID = self.kp * err + self.ki * self.errSum + self.kd * dErr
return outPID
```
这个代码实现了一个简单的位置式PID控制器。在初始化时,可以指定PID控制器的比例系数P、积分系数I和微分系数D。然后,通过调用`pidPosition`方法,传入当前值,即可计算出相应的PID输出值。该代码可供参考,可根据实际需求进行修改和扩展。<em>1</em><em>2</em><em>3</em>
#### 引用[.reference_title]
- *1* [PID控制器概述及python实现PID控制算法](https://blog.csdn.net/peizhuo_liu/article/details/112058679)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}} ] [.reference_item]
- *2* [使用python模拟实现PID控制算法](https://blog.csdn.net/weixin_43863487/article/details/124604299)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}} ] [.reference_item]
- *3* [PID 控制算法原理与 Python 实现](https://blog.csdn.net/weixin_30230009/article/details/122505270)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v92^chatsearchT0_1"}} ] [.reference_item]
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