Files
IQ.Pilot/system/hardware/fan_controller.py
2026-03-07 14:45:32 -06:00

24 lines
724 B
Python
Executable File

#!/usr/bin/env python3
import numpy as np
from openpilot.common.pid import PIDController
class FanController:
def __init__(self, rate: int) -> None:
self.last_ignition = False
self.controller = PIDController(k_p=0, k_i=4e-3, rate=rate)
def update(self, cur_temp: float, ignition: bool) -> int:
self.controller.pos_limit = 100 if ignition else 30
self.controller.neg_limit = 30 if ignition else 0
if ignition != self.last_ignition:
self.controller.reset()
self.last_ignition = ignition
return int(self.controller.update(
error=(cur_temp - 75), # temperature setpoint in C
feedforward=np.interp(cur_temp, [60.0, 100.0], [0, 100])
))