dev-Rene #1
@@ -219,15 +219,14 @@ class pumpingStation {
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this._updateVolumePrediction("in"); // check for changes in incomming flow
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//calc the most important values back to determine state and net up or downstream flow
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this._calcNetFlow();
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//this._calcNetFlow();
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const {time:timeleft, source:variant} = this._calcTimeRemaining();
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this.logger.debug(`Remaining time ${timeleft}, based on variant ${variant} `);
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this.logger.debug(`Remaining time ${Math.round(timeleft/60/60*100)/100} h, based on variant ${variant} `);
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}
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_calcTimeRemaining(){
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//init timeRemaining
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//init timeRemaining
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const winningTime = {time:0,source:""};
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//calculate time left prioritise flow based variant
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@@ -377,7 +376,7 @@ class pumpingStation {
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let netFlow = null;
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const netFlow_FlowSensor = Math.abs(this.measurements.type("flow").variant("measured").difference({ from: "downstream", to: "upstream", unit: "m3/s" }));
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const netFlow_LevelSensor = this._calcNetFlowFromLevelDiff();
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const netFlow_LevelSensor = this._calcNetFlowFromLevelDiff("measured");
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const netFlow_PredictedFlow = Math.abs(this.measurements.type('flow').variant('predicted').difference({ from: "in", to: "out", unit: "m3/s" }));
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switch (true){
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@@ -442,36 +441,39 @@ class pumpingStation {
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//@params : variant : example "predicted","measured"
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_calcRemainingTimeBasedOnLevel(variant){
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const {heightOverflow,heightOutlet} = this.basin;
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const levelObj = this.measurements.type("level").variant(variant).position("atEquipment");
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const level = levelObj.getCurrentValue("m");
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const prevLevel = levelObj.getLaggedValue(2, "m"); // { value, timestamp, unit }
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const prevLevelSample = levelObj.getLaggedSample(2, "m"); // { value, timestamp, unit }
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const measurement = levelObj.get();
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const latestTimestamp = measurement?.getLatestTimestamp();
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if (level === null || !prevLevel || latestTimestamp == null) {
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this.logger.warn(`no flowdiff ${level}, previous level ${prevLevel}, latestTimestamp ${latestTimestamp} found escaping`);
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if (level === null || prevLevelSample == null || latestTimestamp == null) {
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this.logger.warn(`no flowdiff ${level}, previous level ${prevLevelSample}, latestTimestamp ${latestTimestamp} found escaping`);
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return null;
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}
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const deltaSeconds = (latestTimestamp - prevLevel.timestamp) / 1000;
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const deltaSeconds = (latestTimestamp - prevLevelSample.timestamp) / 1000;
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if (deltaSeconds <= 0) {
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this.logger.warn(`Level fallback: invalid Δt=${deltaSeconds} , LatestTimestamp : ${latestTimestamp}, PrevTimestamp : ${prevLevel.timestamp}`);
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this.logger.warn(`Level fallback: invalid Δt=${deltaSeconds} , LatestTimestamp : ${latestTimestamp}, PrevTimestamp : ${prevLevelSample.value}`);
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return null;
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}
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const lvlDiff = level - prevLevel.value;
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const lvlRate = Math.abs(lvlDiff / deltaSeconds); // m/s
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const lvlDiff = level - prevLevelSample.value;
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const lvlRate = lvlDiff / deltaSeconds; // m/s
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let secondsRemaining = 0;
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let remainingHeight = 0;
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switch(true){
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case(lvlRate>0):
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remainingHeight = Math.max(heightOverflow - level, 0);
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secondsRemaining = remainingHeight / lvlRate; // seconds
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secondsRemaining = remainingHeight / Math.abs(lvlRate); // seconds
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return secondsRemaining;
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case(lvlRate<0):
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remainingHeight = Math.max(level - heightOutlet, 0);
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secondsRemaining = remainingHeight / lvlRate;
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secondsRemaining = remainingHeight / Math.abs(lvlRate);
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return secondsRemaining;
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default:
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@@ -511,22 +513,22 @@ class pumpingStation {
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const { surfaceArea } = this.basin;
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const levelObj = this.measurements.type("level").variant(variant).position("atEquipment");
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const level = levelObj.getCurrentValue("m");
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const prevLevel = levelObj.getLaggedValue(2, "m"); // { value, timestamp, unit }
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const prevLevelSample = levelObj.getLaggedSample(2, "m"); // { value, timestamp, unit }
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const measurement = levelObj.get();
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const latestTimestamp = measurement?.getLatestTimestamp();
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if (level === null || !prevLevel || latestTimestamp == null) {
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this.logger.warn(`no flowdiff ${level}, previous level ${prevLevel}, latestTimestamp ${latestTimestamp} found escaping`);
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if (level === null || prevLevelSample == null || latestTimestamp == null) {
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this.logger.warn(`no flowdiff ${level}, previous level ${prevLevelSample}, latestTimestamp ${latestTimestamp} found escaping`);
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return null;
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}
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const deltaSeconds = (latestTimestamp - prevLevel.timestamp) / 1000;
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const deltaSeconds = (latestTimestamp - prevLevelSample.timestamp) / 1000;
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if (deltaSeconds <= 0) {
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this.logger.warn(`Level fallback: invalid Δt=${deltaSeconds} , LatestTimestamp : ${latestTimestamp}, PrevTimestamp : ${prevLevel.timestamp}`);
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this.logger.warn(`Level fallback: invalid Δt=${deltaSeconds} , LatestTimestamp : ${latestTimestamp}, PrevTimestamp : ${prevLevelSample.timestamp}`);
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return null;
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}
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const lvlDiff = level - prevLevel.value;
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const lvlDiff = level - prevLevelSample.value;
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const lvlRate = lvlDiff / deltaSeconds; // m/s
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const netFlowRate = lvlRate * surfaceArea; // m³/s inferred from level trend
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@@ -562,6 +564,7 @@ class pumpingStation {
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//init predicted min volume to min vol in order to have a starting point
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this.measurements.type("volume").variant("predicted").position("atEquipment").value(minVol).unit('m3');
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this.measurements.type("volume").variant("predicted").position("atEquipment").value(maxVol).unit('m3');
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this.logger.debug(`
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Basin initialized | area=${surfaceArea.toFixed(2)} m²,
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