コード例 #1
0
ファイル: navigation_new.py プロジェクト: xizhenTHU/lab
def PID_Go(pShip, pAim, yawShip, gz):  # 直行段PID
    global thrust_last  # 上一时刻油门值
    PID_P = 0.5
    # PID_D = 0 在下面if结构中定义
    yawAim = utils.getAimYaw(pShip, pAim)  # 期望方向角
    error = utils.angleDiff(yawAim, yawShip)  # 方向角误差
    dist = utils.getDistance(pShip, pAim)  # 距离误差
    if error * gz > 0:
        PID_D = -0.8
    else:
        PID_D = 0.8
    dire = PID_P * error + gz * PID_D
    dire = max(dire, -100)
    dire = min(dire, 100)

    thrust = 100 - abs(error) * 3
    if dist < 10:  # 接近段
        tar_speed = dist / 8 - abs(error) / 20  # 目标速度
        tar_speed = max(tar_speed, 0.2)  # 目标速度限幅在0.2到1之间
        tar_speed = min(tar_speed, 1)
        err_speed = tar_speed - speed
        thrust = thrust_last + err_speed * 50
    thrust = abs(thrust)
    thrust = max(thrust, 10)  # 下限是10
    thrust = min(thrust, 100)  # 上限100
    thrust_last = thrust
    return int(dire), thrust
コード例 #2
0
ファイル: tiebian_new.py プロジェクト: xizhenTHU/lab
def PID_Turn_old(pShip, pAim, yawOpt, yawShip, gz):  # 原地转弯PID
    # 错误!缺少return 0
    global gz_last  # 上一时刻角速度
    PID_P_gz = 5
    # PID_D_gz 在下面if结构中定义
    yawAim = utils.getAimYaw(pShip, pAim)  # 期望方向角
    error = utils.angleDiff(yawAim, yawShip)  # 角度差
    gzAim = 10 * utils.symbol(error)  # 期望角速度

    if abs(error) > 100:
        dire = 100 * utils.symbol(error)  # 角度差大于100度时全速转弯
    elif abs(error) < 20:
        gzAim = gzAim * abs(error) / 20 * 0.5
        error_gz = gzAim - gz  # 角速度误差
        dire = PID_P_gz * error_gz
        if dire < 0:
            dire = min(dire, -10)
        else:
            dire = max(dire, 10)
    else:
        error_gz = gzAim - gz  # 角速度误差
        d_gz = gz - gz_last  # 角速度增量
        gz_last = gz
        if error_gz * d_gz > 0:
            PID_D_gz = -1
        else:
            PID_D_gz = 1
        dire = PID_P_gz * error_gz + 10 * utils.symbol(error)
    gz_last = gz
    dire = min(dire, 60)
    dire = max(dire, -60)
    return dire
コード例 #3
0
ファイル: tiebian_new.py プロジェクト: xizhenTHU/lab
def PID_Go(pShip,
           pAim,
           yawShip,
           gz,
           yawOpt,
           slowSpeed=True,
           isFirst=True):  # 直行段PID
    global thrust_last  # 上一时刻油门值
    PID_P = 0.5
    # PID_D = 0 在下面if结构中定义
    if isFirst == True:
        yawAim = utils.getAimYaw(pShip, pAim)  # 期望方向角
    else:
        yawAim = yawOpt
        # *********************补偿项***************注意,距离小的时候不准
        # if utils.getAimYaw(pShip, pAim)>5:
        #     weight=np.array([0.7,0.3])
        #     yawAim=angleWeightSum(np.array(yawOpt,utils.getAimYaw(pShip, pAim)),weight)
        # else:
        #     yawAim=yawOpt
    error = utils.angleDiff(yawAim, yawShip)  # 方向角误差
    dist = utils.getDistance(pShip, pAim)  # 距离误差
    if error * gz > 0:
        PID_D = -0.8
    else:
        PID_D = 0.8
    dire = PID_P * error + gz * PID_D
    dire = max(dire, -100)
    dire = min(dire, 100)

    thrust = (100 - abs(error) * 3) * 0.8
    tar_speed = 0
    if dist < 0.8 and slowSpeed == True:
        tar_speed = dist / 1.5 - abs(error) / 20  # 目标速度
        tar_speed = max(tar_speed, 0.2)  # 目标速度限幅在0.2到1之间
        tar_speed = min(tar_speed, 1)
        err_speed = tar_speed - speed
        thrust = thrust_last + err_speed * 50
    thrust = abs(thrust)
    thrust = max(thrust, 10)  # 下限是10
    thrust = min(thrust, 100)  # 上限100
    thrust_last = thrust
    log.debug("PID_Go 目标速度:{}\t实际速度: {}\tthrust: {}\tdist: {}".format(
        tar_speed, speed, thrust, dist))
    return int(dire), thrust
コード例 #4
0
ファイル: tiebian_new.py プロジェクト: xizhenTHU/lab
def PID_Turn(pShip,
             pAim,
             yawShip,
             gz,
             yawOpt,
             isFirst=True,
             error=None,
             isLeft=None,
             routeType=0):  # 原地转弯PID
    PID_P_gz = 5
    # PID_D_gz 在下面if结构中定义
    if error == None:
        if isFirst == True:
            yawAim = utils.getAimYaw(pShip, pAim)  # 期望方向角
        else:
            yawAim = yawOpt
        error = utils.angleDiff(yawAim, yawShip)  # 角度差
        # if isLeft != None and abs(error) > 120:
        #     if (isLeft and error > 0):
        #         error -= 360
        #     elif not isLeft and error < 0:
        #         error += 360

    if routeType == 0 or routeType == -1:
        # 循迹
        gzAim = 15 * utils.symbol(error)  # 期望角速度
        if abs(error) > 100:
            dire = 100 * utils.symbol(error)  # 角度差大于100度时全速转弯
        elif abs(error) < 20:
            gzAim = gzAim * abs(error) / 20 / 2
            error_gz = gzAim - gz  # 角速度误差
            dire = PID_P_gz * error_gz
            if dire < 0:
                dire = min(dire, -20)
            else:
                dire = max(dire, 20)
            if abs(error) < 5:
                return 0
        else:
            error_gz = gzAim - gz  # 角速度误差
            dire = PID_P_gz * error_gz + 10 * utils.symbol(error)
    # elif routeType == 1:
    #     # 区域
    #     gzAim = 20*utils.symbol(error)  # 期望角速度
    #     if abs(error) > 60:
    #         dire = 100*utils.symbol(error)  # 角度差大于100度时全速转弯
    #     elif abs(error) < 20:
    #         gzAim = gzAim*abs(error)/20/2
    #         error_gz = gzAim-gz  # 角速度误差
    #         dire = PID_P_gz * error_gz
    #         if dire < 0:
    #             dire = min(dire, -30)
    #         else:
    #             dire = max(dire, 30)
    #         if abs(error) < 5:
    #             return 0
    #     else:
    #         error_gz = gzAim-gz  # 角速度误差
    #         dire = PID_P_gz * error_gz+10*utils.symbol(error)
    if routeType == -1:
        dire = min(dire, 60)
        dire = max(dire, -60)
    else:
        dire = min(dire, 100)
        dire = max(dire, -100)
    log.debug("PID_Turn 角度差:{}\tdire: {}".format(error, dire))
    return int(dire)
コード例 #5
0
    def test_one_image(self, image, label):
        # Returns criterion loss and actual error when applying the model to an image and comparing output to label
        outputs = self.net.forward(image.float())
        #print('Outputs: {}'.format(outputs.float().detach().cpu().numpy()[0]))
        #print('Labels: {}'.format(label.float().detach().cpu().numpy()[0]))
        loss = self.criterion(outputs.float(), label.float())
        #print('Loss: {}'.format(loss.item()))
        if self.label_style == 'Reward':
            state_error = 0
            estim_reward = UnnormalizeLabel(
                self.environment, self.label_style,
                outputs.float().detach().cpu().numpy()[0][0])
            real_reward = UnnormalizeLabel(
                self.environment, self.label_style,
                label.float().detach().cpu().numpy()[0][0])
            rew_error = estim_reward - real_reward  # (outputs.float() - label.float()).detach().cpu().numpy()[0][0]
            pred_state = [0, 0]
        elif self.label_style == 'State':
            state_estim = UnnormalizeLabel(
                self.environment, self.label_style,
                outputs.float().detach().cpu().numpy()[0])
            state_gt = UnnormalizeLabel(
                self.environment, self.label_style,
                label.float().detach().cpu().numpy()[0])
            hat_x = state_estim[0]
            hat_theta = state_estim[1]
            x = state_gt[0]
            pred_state = [hat_x, hat_theta]
            theta = state_gt[1]
            state_error = [hat_x - x, ut.angleDiff(hat_theta, theta)]
            if self.environment == 'cartpole':
                real_reward = cp_modenv.state2reward(x, theta)
                estim_reward = cp_modenv.state2reward(hat_x, hat_theta)
            elif self.environment == 'duckietown':
                real_reward = dt_modenv.state2reward(x, theta)
                estim_reward = dt_modenv.state2reward(hat_x, hat_theta)
            rew_error = estim_reward - real_reward  # (outputs.float() - label.float()).detach().cpu().numpy()[0][0]
        elif self.label_style == 'Angle':
            angle_estim = UnnormalizeLabel(
                self.environment, self.label_style,
                outputs.float().detach().cpu().numpy()[0])
            angle_gt = UnnormalizeLabel(
                self.environment, self.label_style,
                label.float().detach().cpu().numpy()[0])
            hat_theta = angle_estim[0]
            pred_state = [0, hat_theta]
            theta = angle_gt[0]
            state_error = [0, ut.angleDiff(hat_theta, theta)]
            rew_error = 0
            real_reward = 0
            estim_reward = 0
        elif self.label_style == 'Angle_droneAngle':
            angles_estim = UnnormalizeLabel(
                self.environment, self.label_style,
                outputs.float().detach().cpu().numpy()[0])
            angles_gt = UnnormalizeLabel(
                self.environment, self.label_style,
                label.float().detach().cpu().numpy()[0])
            hat_theta = angles_estim[0]
            theta = angles_gt[0]
            hat_drone_angle = angles_estim[1]
            drone_angle_gt = angles_gt[1]
            pred_state = [0, hat_theta, hat_drone_angle]
            state_error = [
                0,
                ut.angleDiff(hat_theta, theta),
                ut.angleDiff(hat_drone_angle, drone_angle_gt)
            ]
            rew_error = 0
            real_reward = 0
            estim_reward = 0
        elif self.label_style == 'Distance':
            dist_estim = UnnormalizeLabel(
                self.environment, self.label_style,
                outputs.float().detach().cpu().numpy()[0])
            dist_gt = UnnormalizeLabel(self.environment, self.label_style,
                                       label.float().detach().cpu().numpy()[0])
            hat_x = dist_estim[0]
            pred_state = [hat_x, 0]
            x = dist_gt[0]
            state_error = [hat_x - x, 0]
            rew_error = 0
            real_reward = 0
            estim_reward = 0
        elif self.label_style == 'State_droneAngle':
            state_estim = UnnormalizeLabel(
                self.environment, self.label_style,
                outputs.float().detach().cpu().numpy()[0])
            state_gt = UnnormalizeLabel(
                self.environment, self.label_style,
                label.float().detach().cpu().numpy()[0])

            hat_x = state_estim[0]
            hat_theta = state_estim[1]
            hat_drone_angle = state_estim[2]
            pred_state = [hat_x, hat_theta, hat_drone_angle]

            x = state_gt[0]
            theta = state_gt[1]
            drone_angle_gt = angles_gt[1]

            state_error = [
                hat_x - x,
                ut.angleDiff(hat_theta, theta),
                ut.angleDiff(hat_drone_angle, drone_angle_gt)
            ]

            real_reward = dt_modenv.state2reward(x, theta)
            estim_reward = dt_modenv.state2reward(hat_x, hat_theta)
            rew_error = estim_reward - real_reward  # (outputs.float() - label.float()).detach().cpu().numpy()[0][0]

        elif self.label_style == 'droneAngle':
            drone_angle_estim = UnnormalizeLabel(
                self.environment, self.label_style,
                outputs.float().detach().cpu().numpy()[0])
            drone_angle_label = UnnormalizeLabel(
                self.environment, self.label_style,
                label.float().detach().cpu().numpy()[0])
            hat_drone_angle = drone_angle_estim[0]
            pred_state = [0, 0, hat_drone_angle]
            drone_angle_gt = drone_angle_label[0]
            state_error = [0, 0, ut.angleDiff(hat_drone_angle, drone_angle_gt)]
            rew_error = 0
            real_reward = 0
            estim_reward = 0

        return loss.item(
        ), pred_state, state_error, rew_error, real_reward, estim_reward