jack
9cd3170e8a
- Add stability detection and threshold classification features with corresponding tests
34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
"""Detect process state (Idle, Ramp, Set) from the running average temp"""
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from __future__ import annotations
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from typing import Optional
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STATE_IDLE = "idle"
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STATE_RAMP = "ramp"
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STATE_SET = "set"
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class StabilityDetector:
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def __init__(self, idle_below: float = 50.0, tolerance: float = 1.0,
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settle_seconds: float = 10.0) -> None:
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self._idle_below = idle_below
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self._tolerance = tolerance
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self._settle_seconds = settle_seconds
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self._near_since: Optional[float] = None # When avg entered the +- tolerance band
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def reset(self) -> None:
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self._near_since = None
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def update(self, avg: float, time: float, set_point: float) ->str:
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if avg < self._idle_below:
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self._near_since = None
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return STATE_IDLE
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if abs(avg - set_point) <= self._tolerance:
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if self._near_since is None:
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self._near_since = time
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if time - self._near_since >= self._settle_seconds:
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return STATE_SET
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return STATE_RAMP
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self._near_since = None
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return STATE_RAMP
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