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Author SHA1 Message Date
rangang 8d6534b96e fix: restore simulated pressure model and fast prescan 2026-08-04 10:04:48 +08:00
3 changed files with 67 additions and 17 deletions
+28
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@@ -108,6 +108,34 @@ class IdentificationManager:
This is an independent pre-scan. It does not replace or modify the
subsequent PRBS collection performed by ``collect_data_with_prbs``.
"""
if getattr(conn_mgr, "simulation", False):
stable_pressure_records = [
{"distance": 1000, "pressure": 400},
{"distance": 900, "pressure": 361},
{"distance": 800, "pressure": 322},
{"distance": 700, "pressure": 283},
{"distance": 600, "pressure": 244},
{"distance": 500, "pressure": 205},
{"distance": 400, "pressure": 166},
{"distance": 300, "pressure": 127},
{"distance": 200, "pressure": 88},
{"distance": 100, "pressure": 49},
{"distance": 0, "pressure": 10},
]
timestamp = datetime.datetime.now().strftime('%Y%m%d_%H%M%S')
filename = f"travel_stability_pressures_{timestamp}.json"
payload = {"stable_pressures": stable_pressure_records}
uploaded = self._upload_to_server(
json.dumps(payload, ensure_ascii=False, indent=2),
filename,
f"{the_folder}/ind_data",
)
if uploaded:
self.log("行程稳态压力 JSON 上传成功,继续执行 PRBS 辨识")
else:
self.log("行程稳态压力 JSON 上传失败,继续执行 PRBS 辨识")
return payload
distances = list(range(1000, -1, -100))
settings = {
"min_wait_time": 5.0,
+4 -4
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@@ -39,10 +39,10 @@ class SimulatedDevice:
if not self.connected or dt == 0:
return
# MT2AM8 的行程控制在当前程序中是反向阀位:较小行程表示更大
# 进气。模型因此让压力向由行程决定的目标值缓慢靠近
opening = max(0.0, min(1.0, 1.0 - self.position / 1000.0))
target_pressure = self.pressure_range * opening
# 行程与阀门开度反向:行程越大,阀门开度越小。阀门开度减小
# 时系统压力升高;默认量程下行程 0/1000 分别对应 10/400 kPa
travel_ratio = max(0.0, min(1.0, self.position / 1000.0))
target_pressure = 10.0 + (self.pressure_range - 10.0) * travel_ratio
response = min(1.0, dt / 8.0)
self.pressure += (target_pressure - self.pressure) * response
+35 -13
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@@ -1,7 +1,7 @@
import importlib.util
import time
import unittest
from pathlib import Path
from unittest.mock import patch
MODULE_PATH = Path(__file__).resolve().parents[1] / "core" / "simulated_device.py"
@@ -22,18 +22,40 @@ class SimulatedDeviceTests(unittest.TestCase):
self.assertFalse(device.connected)
def test_pressure_model_responds_to_valve_position(self):
device = SIMULATED.SimulatedDevice()
device.connect()
device.set_motor_position(0)
time.sleep(0.02)
open_pressure = device.get_pressure()
device.set_motor_position(1000)
time.sleep(0.02)
closed_pressure = device.get_pressure()
self.assertGreaterEqual(open_pressure, 0.0)
self.assertGreaterEqual(closed_pressure, 0.0)
self.assertEqual(device.read_current_position(), 1000.0)
device.disconnect()
class FakeClock:
def __init__(self):
self.now = 0.0
def monotonic(self):
return self.now
def advance(self, duration):
self.now += duration
clock = FakeClock()
with patch.object(SIMULATED.time, "monotonic", clock.monotonic):
device = SIMULATED.SimulatedDevice()
device.connect()
def settled_pressure(position):
device.set_motor_position(position)
pressure = None
for _ in range(1200):
clock.advance(0.1)
pressure = device.get_pressure()
return pressure
open_pressure = settled_pressure(0)
half_open_pressure = settled_pressure(500)
closed_pressure = settled_pressure(1000)
self.assertAlmostEqual(open_pressure, 10.0, delta=0.1)
self.assertAlmostEqual(half_open_pressure, 205.0, delta=0.1)
self.assertAlmostEqual(closed_pressure, 400.0, delta=0.1)
self.assertGreater(closed_pressure, half_open_pressure)
self.assertGreater(half_open_pressure, open_pressure)
self.assertEqual(device.read_current_position(), 1000.0)
device.disconnect()
if __name__ == "__main__":