添加配置跳过重量前N个点

SCADA/App.config

@@ -30,10 +30,12 @@
 
 	<!--曲线采样间隔(ms)-->
 	<add key="CurveCollectorSampleIntervalMs" value="200"/>
-	<!--曲线稳定窗口点数-->
-	<add key="CurveStableWindowSize" value="20"/>
-
-  </appSettings>
+	<!--曲线稳定窗口点数-->
+	<add key="CurveStableWindowSize" value="20"/>
+	<!--最终重量计算时跳过前置称重点数，0=不跳过-->
+	<add key="CurveStableSkipStartPointCount" value="0"/>
+
+  </appSettings>
   <startup>
     <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.8"/>
   </startup>

SCADA/Funtion/MIS_CurveCollector.cs

@@ -39,6 +39,10 @@ namespace MesWork
             ConfigurationManager.AppSettings["CurveStableWindowSize"], out int _stableWindowSize)
             ? _stableWindowSize : 20;
 
+        private static readonly int CurveStableSkipStartPointCount = int.TryParse(
+            ConfigurationManager.AppSettings["CurveStableSkipStartPointCount"], out int _skipStartPointCount)
+            ? _skipStartPointCount : 0;
+
         /// <summary>
         /// 允许工作后启动曲线采集，每个工位同一时间只保留一个采集段。
         /// </summary>
@@ -236,18 +240,19 @@ namespace MesWork
         }
 
         /// <summary>
-        /// 找连续20点中极差最小的一段，去掉一个最大值和一个最小值后取平均。
+        /// 跳过前置配置点数后，找连续稳定窗口中极差最小的一段，去掉一个最大值和一个最小值后取平均。
         /// </summary>
         private bool CurveCollector_CalculateStableWeight(List<decimal> weights, out decimal stableWeight, out int startSeq, out int endSeq)
         {
             stableWeight = 0;
             startSeq = 0;
             endSeq = 0;
-            if (weights == null || weights.Count < CurveStableWindowSize) return false;
+            int skipStartPointCount = Math.Max(0, CurveStableSkipStartPointCount);
+            if (weights == null || weights.Count - skipStartPointCount < CurveStableWindowSize) return false;
 
             int bestStart = 0; // 0-based窗口起点，保存时转成1-based序号
             decimal bestRange = decimal.MaxValue;
-            for (int i = 0; i <= weights.Count - CurveStableWindowSize; i++)
+            for (int i = skipStartPointCount; i <= weights.Count - CurveStableWindowSize; i++)
             {
                 decimal min = weights[i];
                 decimal max = weights[i];