pid算法python代码

好的，这是一个简单的PID算法的Python代码示例：

class PID:
    def __init__(self, Kp, Ki, Kd):
        self.Kp = Kp
        self.Ki = Ki
        self.Kd = Kd
        self.last_error = 0
        self.integral = 0

    def update(self, error, dt):
        derivative = (error - self.last_error) / dt
        self.integral += error * dt
        output = self.Kp * error + self.Ki * self.integral + self.Kd * derivative
        self.last_error = error
        return output

其中，Kp、Ki和Kd分别代表比例、积分和微分系数，error代表当前误差，dt代表时间间隔。update方法用于更新PID控制器的输出。

相关问题

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：

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]
[ .reference_list ]

PID算法python

以下是一个简单的PID算法的Python实现：

class PID:
    def __init__(self, Kp, Ki, Kd, setpoint):
        self.Kp = Kp
        self.Ki = Ki
        self.Kd = Kd
        self.setpoint = setpoint
        self.error = 0
        self.last_error = 0
        self.integral = 0
        self.derivative = 0

    def update(self, feedback_value, dt):
        self.error = self.setpoint - feedback_value
        self.integral += self.error * dt
        self.derivative = (self.error - self.last_error) / dt
        self.last_error = self.error
        output = self.Kp * self.error + self.Ki * self.integral + self.Kd * self.derivative
        return output

这个类初始化时需要提供Kp、Ki、Kd和设定点setpoint的值。update()方法接收反馈值和时间间隔dt，计算出新的输出值并返回。具体的计算方式和公式可以参考PID算法的原理。