diff --git a/klippy/extras/pid_calibrate.py b/klippy/extras/pid_calibrate.py index b5dbc7737..c7a731959 100644 --- a/klippy/extras/pid_calibrate.py +++ b/klippy/extras/pid_calibrate.py @@ -4,7 +4,7 @@ # # This file may be distributed under the terms of the GNU GPLv3 license. import math, logging -import heater +import heaters class PIDCalibrate: def __init__(self, config): @@ -120,7 +120,7 @@ class ControlAutoTune: # Use Ziegler-Nichols method to generate PID parameters Ti = 0.5 * Tu Td = 0.125 * Tu - Kp = 0.6 * Ku * heater.PID_PARAM_BASE + Kp = 0.6 * Ku * heaters.PID_PARAM_BASE Ki = Kp / Ti Kd = Kp * Td logging.info("Autotune: raw=%f/%f Ku=%f Tu=%f Kp=%f Ki=%f Kd=%f",