67 lines
2.7 KiB
JavaScript
67 lines
2.7 KiB
JavaScript
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// Dry-run safety trip — manual mode, fixed high demand, zero inflow.
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// Levelbased control would taper demand as the level drops (its ramp),
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// stalling drainage before safety fires. Manual mode holds demand
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// constant so the level actually reaches the dry-run threshold.
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module.exports = {
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name: 'safety-dry-run-trip',
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description: 'Manual mode, constant 100 % demand, zero inflow; expect safety to force-stop downstream pumps when level reaches the dry-run threshold.',
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durationSec: 600,
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config: {
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general: { name: 'EvalDryRun', id: 'eval-dry-run', unit: 'm3/h',
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logging: { enabled: false, logLevel: 'error' } },
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functionality: { softwareType: 'pumpingStation', role: 'stationcontroller', positionVsParent: 'atEquipment' },
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basin: { volume: 50, height: 5, inflowLevel: 3, outflowLevel: 0.2, overflowLevel: 4.5 },
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hydraulics: { refHeight: 'NAP', basinBottomRef: 0, minHeightBasedOn: 'outlet' },
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control: {
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mode: 'manual',
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allowedModes: new Set(['levelbased', 'manual']),
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levelbased: { minLevel: 0.5, startLevel: 2, maxLevel: 4 },
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},
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safety: {
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enableDryRunProtection: true,
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dryRunThresholdPercent: 50,
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enableOverfillProtection: false,
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overfillThresholdPercent: 98,
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timeleftToFullOrEmptyThresholdSeconds: 0,
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},
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},
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setup: async (ps) => {
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const MAX_OUTFLOW = 0.04;
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let mgcRunning = true; // gets toggled by safety's shutdown call
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ps.machineGroups['mgc1'] = {
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config: { general: { name: 'mgc1', id: 'mgc1' }, functionality: { positionVsParent: 'downstream' } },
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turnOffAllMachines: () => {
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mgcRunning = false;
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ps.measurements.type('flow').variant('predicted').position('out').child('mgc1').value(0, Date.now(), 'm3/s');
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},
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handleInput: async (_src, demand) => {
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if (!mgcRunning) return;
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const d = Math.max(0, Math.min(100, Number(demand) || 0));
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ps.measurements.type('flow').variant('predicted').position('out').child('mgc1').value((d / 100) * MAX_OUTFLOW, Date.now(), 'm3/s');
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},
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};
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// Need a downstream machine for safety to shut down
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ps.machines['pump1'] = {
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config: { general: { name: 'pump1', id: 'pump1' }, functionality: { positionVsParent: 'downstream' } },
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_isOperationalState: () => mgcRunning,
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handleInput: async (_src, action) => {
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if (action === 'execSequence') mgcRunning = false;
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},
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};
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ps.calibratePredictedLevel(2.5);
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},
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inputs: (t, ps) => {
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ps.setManualInflow(0, Date.now(), 'm3/s');
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if (ps.mode === 'manual') ps.forwardDemandToChildren(100);
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},
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expectations: [
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{ name: 'safety engages at some point', type: 'safety_trips_gt', value: 0 },
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{ name: 'level never goes below outflow pipe', type: 'min_level_bounded', value: 0.2 },
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],
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};
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