更新压力稳定判定算法

PressureMonitor.cpp

@@ -2,57 +2,110 @@
 #include <cmath>
 
 PressureMonitor::PressureMonitor()
-    : m_stableTickCount(0)
+    : m_tickCounter(0)
+    , m_sampleCount(0)
+    , m_bufIdx(0)
     , m_totalTickCount(0)
     , m_timeout(false)
 {
+    for (int i = 0; i < BUF_SIZE; i++) {
+        m_buf[i] = 0.0f;
+    }
 }
 
 bool PressureMonitor::tick(float realtimePressure, float calibratedPressure)
 {
     m_totalTickCount++;
 
-    if (calibratedPressure <= 0.0f) {
-        m_stableTickCount = 0;
-        return false;
-    }
-
-    float upperBound = calibratedPressure + 10.0f;
-    float lowerBound = calibratedPressure - 10.0f;
-
-    if (realtimePressure >= lowerBound && realtimePressure <= upperBound) {
-        m_stableTickCount++;
-    } else {
-        m_stableTickCount = 0;
-    }
-
-    // 5分钟超时兜底：无论压力是否稳定，都触发结束
     if (m_totalTickCount >= TIMEOUT_TICKS) {
         m_timeout = true;
         return true;
     }
 
-    return m_stableTickCount >= REQUIRED_STABLE_TICKS;
+    if (m_tickCounter != 0) {
+        m_tickCounter = (m_tickCounter + 1) % SAMPLE_INTERVAL_TICKS;
+        return false;
+    }
+    m_tickCounter = (m_tickCounter + 1) % SAMPLE_INTERVAL_TICKS;
+
+    if (calibratedPressure <= 0.0f) {
+        return false;
+    }
+
+    m_buf[m_bufIdx] = realtimePressure;
+    m_bufIdx = (m_bufIdx + 1) % BUF_SIZE;
+    m_sampleCount++;
+
+    if (m_sampleCount < BUF_SIZE) {
+        return false;
+    }
+
+    float rangeMin = calibratedPressure - 10.0f;
+    float rangeMax = calibratedPressure + 10.0f;
+
+    if (!checkFirst4InRange(rangeMin, rangeMax)) {
+        return false;
+    }
+
+    float avg = computeTrimmedMean();
+    return (avg >= rangeMin && avg <= rangeMax);
 }
 
 void PressureMonitor::reset()
 {
-    m_stableTickCount = 0;
+    m_tickCounter = 0;
+    m_sampleCount = 0;
+    m_bufIdx = 0;
     m_totalTickCount = 0;
     m_timeout = false;
+    for (int i = 0; i < BUF_SIZE; i++) {
+        m_buf[i] = 0.0f;
+    }
 }
 
 bool PressureMonitor::isCurrentlyInRange() const
 {
-    return m_stableTickCount > 0;
+    return (m_sampleCount >= BUF_SIZE);
 }
 
 int PressureMonitor::stableTickCount() const
 {
-    return m_stableTickCount;
+    return m_sampleCount;
 }
 
 bool PressureMonitor::wasTimeout() const
 {
     return m_timeout;
 }
+
+const float* PressureMonitor::buffer() const
+{
+    return m_buf;
+}
+
+bool PressureMonitor::checkFirst4InRange(float rangeMin, float rangeMax) const
+{
+    for (int i = 0; i < 4; i++) {
+        float val = m_buf[(m_bufIdx + i) % BUF_SIZE];
+        if (val < rangeMin || val > rangeMax) {
+            return false;
+        }
+    }
+    return true;
+}
+
+float PressureMonitor::computeTrimmedMean() const
+{
+    float minVal = m_buf[0];
+    float maxVal = m_buf[0];
+    float sum = 0.0f;
+
+    for (int i = 0; i < BUF_SIZE; i++) {
+        float val = m_buf[i];
+        sum += val;
+        if (val < minVal) minVal = val;
+        if (val > maxVal) maxVal = val;
+    }
+
+    return (sum - minVal - maxVal) / (float)(BUF_SIZE - 2);
+}

PressureMonitor.h

@@ -6,33 +6,42 @@ class PressureMonitor
 public:
     PressureMonitor();
 
-    // 每个100ms tick 调用一次
+    // 每个100ms tick 调用一次（外部调用频率不变）
     // realtimePressure: 实时压力 (sysPara->status.PRESSURE)
     // calibratedPressure: 标定压力 (sysPara->para.pressure)
+    //
+    // 内部逻辑：每500ms采样一次，维护最近12个采样的环形缓冲区。
+    // 缓冲区满12个后，先检查最旧的4个采样是否各自在标定值 ±10 范围内，
+    // 满足后去掉全部12个中的最大值和最小值取平均，判断均值是否在 ±10 内。
+    // 每次新采样入队、最旧采样出队后立即重新判定。
     // 返回 true 表示：
-    //   1) 压力已持续稳定 3 秒（±10 范围内），或
+    //   1) 前4入界且去极值均值在 ±10 范围内，或
     //   2) 超过 2 分钟仍未稳定，兜底超时结束
     bool tick(float realtimePressure, float calibratedPressure);
 
-    // 重置监测器状态
     void reset();
 
-    // 当前压力是否在 ±10 范围内
     bool isCurrentlyInRange() const;
-
-    // 当前连续稳定的 tick 计数
     int stableTickCount() const;
-
-    // 是否因超时而触发结束（兜底）
     bool wasTimeout() const;
 
-private:
+    // 返回环形缓冲区（12个压力值）
-    int m_stableTickCount;
+    const float* buffer() const;
-    int m_totalTickCount;
-    bool m_timeout;
 
-    static const int REQUIRED_STABLE_TICKS = 30;  // 3秒 / 100ms = 30 ticks
+private:
-    static const int TIMEOUT_TICKS = 1200;        // 2分钟 / 100ms = 1200 ticks
+    float computeTrimmedMean() const;
+    bool checkFirst4InRange(float rangeMin, float rangeMax) const;
+
+    static const int SAMPLE_INTERVAL_TICKS = 5;  // 500ms / 100ms
+    static const int BUF_SIZE = 12;               // 缓冲区大小
+    static const int TIMEOUT_TICKS = 1200;        // 2分钟 / 100ms
+
+    int m_tickCounter;        // 100ms tick 计数，==0 时采样
+    int m_sampleCount;        // 已采集样本总数
+    int m_bufIdx;             // 环形缓冲区下一次写入位置
+    float m_buf[12];          // 环形缓冲区
+    int m_totalTickCount;     // 超时用总 tick 计数
+    bool m_timeout;           // 是否已超时
 };
 
 #endif // PRESSUREMONITOR_H

mainwidget.cpp

@@ -1235,19 +1235,36 @@ void MainWidget::airPushingProcess()
 
                 setRunStatus(tr("等待压力稳定..."));
 
-                // 调用压力检测器，监测压力持续3秒波动范围不超过标定值的+-10%
                 if(m_pressureMonitor->tick((float)sysPara->status.PRESSURE, (float)sysPara->para.pressure)) {
                     reclaimTanOpen();
                     sysPara->status.airPushingDone = 1;
                     sysPara->status.airPushing = 0;
                     sysPara->status.airPushingOnTime = 0;
                     airPushTimer->stop();
+                    bool isTimeout = m_pressureMonitor->wasTimeout();
+                    float bufCopy[12];
+                    memcpy(bufCopy, m_pressureMonitor->buffer(), sizeof(bufCopy));
                     m_pressureMonitor->reset();
                     setRunStatus(tr("喷嘴开启中"));
 
-                    LogInfo::setRunStatusText(m_pressureMonitor->wasTimeout()
+                    LogInfo::setRunStatusText(isTimeout
                         ? "Pressure unstable timeout, fallback open the reclaim tank."
                         : "Pressure has stabled, will open the reclaim tank.");
+
+                    QString pressureSet = QString("Pressure buffer: [%1, %2, %3, %4, %5, %6, %7, %8, %9, %10, %11, %12]")
+                        .arg(bufCopy[0], 0, 'f', 1)
+                        .arg(bufCopy[1], 0, 'f', 1)
+                        .arg(bufCopy[2], 0, 'f', 1)
+                        .arg(bufCopy[3], 0, 'f', 1)
+                        .arg(bufCopy[4], 0, 'f', 1)
+                        .arg(bufCopy[5], 0, 'f', 1)
+                        .arg(bufCopy[6], 0, 'f', 1)
+                        .arg(bufCopy[7], 0, 'f', 1)
+                        .arg(bufCopy[8], 0, 'f', 1)
+                        .arg(bufCopy[9], 0, 'f', 1)
+                        .arg(bufCopy[10], 0, 'f', 1)
+                        .arg(bufCopy[11], 0, 'f', 1);
+                    LogInfo::setRunStatusText(pressureSet);
                 }
                 return;
             }