完善流量控制前馈、稳态判定与阀门标定流程
- 前馈冻结改用可配置的 3 秒流量绝对误差滑窗，修复采样抖动造成的重复解冻，并保留下游扰动后的自动更新 - 支持非单调阀特性反解、最小可测面积以下直接全关，以及闭阀端精细扫点与辨识开关 - 调整双压力判稳、最长等待时间、在线入口全开收尾和闭环四联图 - 更新配置、README、阀模型及离线测试，归档本轮实验数据与诊断产物
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@@ -13,8 +13,9 @@ class PerformanceReporter:
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"""逐周期观测流量，判定稳态并输出控制性能报告。
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稳态判定采用两个条件同时满足（AND）：
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1. 滑窗均值落在目标流量 ±band_pct% 误差带内；
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2. 滑窗标准差低于 std_pct% 目标流量阈值。
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1. 流量滑窗均值落在目标流量 ±band_pct% 误差带内；
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2. 阀前、阀后压力的窗口样本均位于各自窗口均值
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±pressure_band_kpa 范围内。
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报告只在首次判定稳态时输出一次。
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"""
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@@ -25,7 +26,7 @@ class PerformanceReporter:
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window_s,
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sample_period_s,
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band_pct,
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std_pct,
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pressure_band_kpa,
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flow_range_min_slm,
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flow_range_max_slm,
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initial_flow_slm=None,
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@@ -35,7 +36,7 @@ class PerformanceReporter:
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self.window_s = float(window_s)
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self.sample_period_s = float(sample_period_s)
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self.band_pct = float(band_pct)
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self.std_pct = float(std_pct)
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self.pressure_band_kpa = float(pressure_band_kpa)
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self.flow_range_min_slm = float(flow_range_min_slm)
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self.flow_range_max_slm = float(flow_range_max_slm)
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self.initial_flow_slm = (
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@@ -48,10 +49,15 @@ class PerformanceReporter:
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self.steady_mean = None
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self.steady_std = None
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self.steady_error_slm = None
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self.steady_pressure_before_mean = None
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self.steady_pressure_after_mean = None
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self.steady_pressure_before_max_deviation = None
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self.steady_pressure_after_max_deviation = None
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self._first_timestamp = None
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self._peak_flow_slm = None
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self._min_flow_slm = None
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self._window = deque() # 元素为 (elapsed_s, flow_slm)
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# 元素为 (elapsed_s, flow_slm, pressure_before_kpa, pressure_after_kpa)
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self._window = deque()
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self._reached = False
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def observe(self, result):
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@@ -62,7 +68,16 @@ class PerformanceReporter:
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return
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flow = float(result.measured_flow_slm)
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if not math.isfinite(flow):
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pressure_before = result.pressure_before_kpa
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pressure_after = result.pressure_kpa
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if pressure_before is None or pressure_after is None:
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return
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pressure_before = float(pressure_before)
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pressure_after = float(pressure_after)
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if not all(
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math.isfinite(value)
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for value in (flow, pressure_before, pressure_after)
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):
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return
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target = float(result.target_flow_slm)
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if target <= 0.0:
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@@ -80,7 +95,9 @@ class PerformanceReporter:
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if self._min_flow_slm is None or flow < self._min_flow_slm:
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self._min_flow_slm = flow
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self._window.append((elapsed_s, flow))
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self._window.append(
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(elapsed_s, flow, pressure_before, pressure_after)
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)
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cutoff = elapsed_s - self.window_s
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while self._window and self._window[0][0] < cutoff:
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self._window.popleft()
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@@ -95,17 +112,38 @@ class PerformanceReporter:
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return
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flows = [item[1] for item in self._window]
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pressures_before = [item[2] for item in self._window]
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pressures_after = [item[3] for item in self._window]
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mean = statistics.mean(flows)
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std = statistics.pstdev(flows)
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pressure_before_mean = statistics.mean(pressures_before)
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pressure_after_mean = statistics.mean(pressures_after)
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pressure_before_max_deviation = max(
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abs(value - pressure_before_mean) for value in pressures_before
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)
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pressure_after_max_deviation = max(
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abs(value - pressure_after_mean) for value in pressures_after
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)
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band = self.band_pct / 100.0 * target
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std_threshold = self.std_pct / 100.0 * target
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if abs(mean - target) <= band and std <= std_threshold:
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pressure_stable = (
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pressure_before_max_deviation <= self.pressure_band_kpa
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and pressure_after_max_deviation <= self.pressure_band_kpa
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)
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if abs(mean - target) <= band and pressure_stable:
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self._reached = True
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self.settling_time_s = elapsed_s
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self.steady_mean = mean
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self.steady_std = std
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self.steady_error_slm = target - mean
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self.steady_pressure_before_mean = pressure_before_mean
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self.steady_pressure_after_mean = pressure_after_mean
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self.steady_pressure_before_max_deviation = (
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pressure_before_max_deviation
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)
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self.steady_pressure_after_max_deviation = (
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pressure_after_max_deviation
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)
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self._report()
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def finalize(self):
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@@ -125,6 +163,10 @@ class PerformanceReporter:
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self.steady_mean = None
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self.steady_std = None
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self.steady_error_slm = None
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self.steady_pressure_before_mean = None
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self.steady_pressure_after_mean = None
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self.steady_pressure_before_max_deviation = None
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self.steady_pressure_after_max_deviation = None
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self._first_timestamp = None
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self._peak_flow_slm = None
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self._min_flow_slm = None
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@@ -171,6 +213,16 @@ class PerformanceReporter:
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f"调节时间(至稳态): {self.settling_time_s:.3f} s",
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f"稳态流量(窗口均值): {self.steady_mean:.3f} SLM",
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f"稳态标准差(窗口): {self.steady_std:.3f} SLM",
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(
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"阀前压力(窗口均值/最大偏差): "
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f"{self.steady_pressure_before_mean:.3f} kPa / "
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f"±{self.steady_pressure_before_max_deviation:.3f} kPa"
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),
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(
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"阀后压力(窗口均值/最大偏差): "
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f"{self.steady_pressure_after_mean:.3f} kPa / "
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f"±{self.steady_pressure_after_max_deviation:.3f} kPa"
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),
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(
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f"稳态误差: {self.steady_error_slm:+.3f} SLM "
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f"(目标 - 稳态均值)"
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