public List <Lot> GetInitialLots(string wc, string inputDirectory, string outputDirectory, DateTime initialDateTime, WaferFabSettings waferFabSettings)
{
// Create an instance of a simulation class to retrieve lot steps
Simulation simulation = new Simulation("CSSLWaferFabArea", outputDirectory);
WaferFab waferFab = new WaferFab(simulation.MyModel, "WaferFab", new ConstantDistribution(60 * 60 * 24), initialDateTime);
WorkCenter workCenter = new WorkCenter(waferFab, $"WorkCenter_{wc}", waferFabSettings.WCServiceTimeDistributions[wc], waferFabSettings.LotStepsPerWorkStation[wc]);
// Sequences
foreach (var sequence in waferFabSettings.Sequences)
{
waferFab.AddSequence(sequence.Key, sequence.Value);
}
// LotSteps
waferFab.LotSteps = waferFab.Sequences.Select(x => x.Value).Select(x => x.GetCurrentStep(0)).ToDictionary(x => x.Name);
// Read initial lots
RealSnapshotReader reader = new RealSnapshotReader();
List <RealSnapshot> realSnapshots = reader.Read(Path.Combine(inputDirectory, "SerializedFiles", reader.GetRealSnapshotString(initialDateTime)), 1);
RealSnapshot realSnapShot = realSnapshots.Where(x => x.Time == initialDateTime).First();
List <RealLot> initialRealLots = realSnapShot.GetRealLots(1).Where(x => x.LotActivity.WorkStation == wc).ToList();
List <Lot> initialLots = initialRealLots.Select(x => x.ConvertToLotArea(0, waferFabSettings.Sequences, initialDateTime)).ToList();
return(initialLots);
}
public RealSnapshot GetWIPSnapshot(DateTime time, int waferQtyThreshold)
{
if (time < StartDate || time > EndDate)
{
throw new Exception($"WIP snapshot cannot be generated for time {time}, it is is out of bounds of these LotTraces");
}
else
{
List <RealLot> lots = new List <RealLot>();
foreach (LotTrace trace in All)
{
// Make sure that lot activities are ordered on track-in
//trace.LotActivitiesRaw = trace.LotActivitiesRaw.OrderBy(x => x.TrackIn).ToList();
if (trace.LotActivities.Any() && time >= trace.StartDate && time < trace.EndDate)
{
// Find current LotActivity and RawActivity
LotActivity activity = trace.GetLotActivityAt(time);
LotActivityRaw raw = trace.GetLotActivityRawAt(time);
if (activity != null && raw != null)
{
RealLot newLot;
if (trace.HasStart && trace.HasEnd)
{
newLot = new RealLot(activity, raw, trace.StartDate, trace.EndDate, time);
}
else if (trace.HasStart && !trace.HasEnd)
{
newLot = new RealLot(activity, raw, trace.StartDate, null, time);
}
else if (!trace.HasStart && trace.HasEnd)
{
newLot = new RealLot(activity, raw, null, trace.EndDate, time);
}
else
{
newLot = new RealLot(activity, raw, null, null, time);
}
lots.Add(newLot);
}
}
}
RealSnapshot snapshot = new RealSnapshot(time, lots, waferQtyThreshold);
return(snapshot);
}
}
static void Main(string[] args)
{
List <DateTime> DateTimes = ReadDateTimes(@"C:\CSSLWaferFab\Input\WIPBalanceWeights\DateTimes.csv");
int jStepBack = 0;
int kStepAhead = 1;
string inputDir = @"C:\CSSLWaferFab\Input\";
string eptParameterFile = @"FittedEPTParameters - 2019-06-01.csv";
// Get WaferFabSettings
AutoDataReader reader = new AutoDataReader(inputDir + @"CSVs\", inputDir + @"SerializedFiles\");
WaferFabSettings waferFabSettings = reader.ReadWaferFabSettings(eptParameterFile, false, false, DispatcherBase.Type.MIVS);
waferFabSettings.WIPTargets = reader.ReadWIPTargets(waferFabSettings.LotSteps, "WIPTargets.csv");
// Get all lots from snapshot
LotTraces lotTraces = Deserializer.DeserializeLotTraces(inputDir + @"SerializedFiles\LotTraces_2019_2020_2021.dat");
foreach (DateTime time in DateTimes)
{
RealSnapshot realSnapshot = lotTraces.GetWIPSnapshot(time, 0);
List <Lot> lots = realSnapshot.GetRealLots(0).Select(x => x.ConvertToLot(0, waferFabSettings.Sequences, false, time)).Where(x => x != null).ToList();
// Construct current WIP levels and WIP targets
Dictionary <string, int> WIPlevels = realSnapshot.WIPlevelsInWafers;
Dictionary <LotStep, double> WIPtargets = waferFabSettings.WIPTargets;
// Construct weights per lot
Dictionary <Lot, double> weights = new Dictionary <Lot, double>();
foreach (Lot lot in lots)
{
double weight = 0.0;
for (int relStep = -jStepBack; relStep <= 0; relStep++)
{
if (lot.HasRelativeStep(relStep))
{
LotStep step = lot.GetRelativeStep(relStep);
if (WIPlevels.ContainsKey(step.Name))
{
weight += WIPlevels[step.Name] - WIPtargets[step];
}
else // WIP level of step is not know in snapshot, so it has to be 0
{
weight -= WIPtargets[step];
}
}
}
for (int relStep = 1; relStep <= kStepAhead; relStep++)
{
if (lot.HasRelativeStep(relStep))
{
LotStep step = lot.GetRelativeStep(relStep);
if (WIPlevels.ContainsKey(step.Name))
{
weight += WIPtargets[step] - WIPlevels[step.Name];
}
else // WIP level of step is not know in snapshot, so it has to be 0
{
weight += WIPtargets[step];
}
}
}
weights.Add(lot, weight);
}
WriteWeightsToCSV(weights, time);
}
}
static void Main(string[] args)
{
List <string> workcenters = new List <string>()
{
"BACKGRIND", "BATCH UP", "CMP", "DICE", "DRY ETCH", "ELEC TEST", "EVAPORATION", "FURNACING", "IMPLANT",
"INSPECTION", "LPCVD", "MERCURY", "NITRIDE DEP", "OFF LINE INK", "PACK", "PHOTOLITH", "PROBE", "REPORTING",
"SAMPLE TEST", "SPUTTERING", "WET ETCH"
};
DateTime initialDateTime = new DateTime(2019, 10, 1);
string inputDirectory = @"C:\CSSLWaferFab\Input";
string outputDirectory = @"C:\CSSLWaferFab\Output\WaferFabArea";
string eptParameterFile = @"FittedEPTParameters - 2019-6-1.csv";
RealSnapshotReader reader = new RealSnapshotReader();
List <RealSnapshot> realSnapshots = reader.Read(Path.Combine(inputDirectory, "SerializedFiles", reader.GetRealSnapshotString(initialDateTime)), 1);
RealSnapshot realSnapShot = realSnapshots.Where(x => x.Time == initialDateTime).First();
//workcenters = new List<string>() {"INSPECTION"};
foreach (string workcenter in workcenters)
{
#region Parameters
string wc = workcenter;
bool isFitted = false; // true = fitted, false = optimised
bool lotStepOvertaking = true;
#endregion
#region Initializing simulation
Simulation simulation = new Simulation(wc, outputDirectory);
#endregion
#region Experiment settings
simulation.MyExperiment.NumberOfReplications = 30;
DateTime finalDateTime = new DateTime(2019, initialDateTime.Month + 2, 1);
simulation.MyExperiment.LengthOfReplication = (finalDateTime - initialDateTime).TotalSeconds; // Number of seconds between two months
simulation.MyExperiment.LengthOfWarmUp = 60 * 60 * 24 * 0;
#endregion
#region WaferFab settings
WaferFabSettings waferFabSettings = Deserializer.DeserializeWaferFabSettings(Path.Combine(inputDirectory, "SerializedFiles", $"WaferFabSettings_{wc}_WithLotStarts.dat"));
EPTDistributionReader distributionReader = new EPTDistributionReader(Path.Combine(inputDirectory, "CSVs"), waferFabSettings.WorkCenters, waferFabSettings.LotStepsPerWorkStation);
waferFabSettings.WCServiceTimeDistributions = distributionReader.GetServiceTimeDistributions(eptParameterFile);
waferFabSettings.WCOvertakingDistributions = distributionReader.GetOvertakingDistributions(lotStepOvertaking);
waferFabSettings.WCDispatcherTypes[workcenter] = DispatcherBase.Type.EPTOVERTAKING;
#endregion
#region Make starting lots
AutoDataReader dataReader = new AutoDataReader(Path.Combine(inputDirectory, "Auto"), Path.Combine(inputDirectory, "SerializedFiles"));
#endregion
#region Building the model
WaferFab waferFab = new WaferFab(simulation.MyModel, "WaferFab", new ConstantDistribution(60 * 60 * 24), initialDateTime);
WorkCenter workCenter = new WorkCenter(waferFab, $"WorkCenter_{wc}", waferFabSettings.WCServiceTimeDistributions[wc], waferFabSettings.LotStepsPerWorkStation[wc]);
// Connect workcenter to WIPDependentDistribution
EPTDistribution distr = (EPTDistribution)waferFabSettings.WCServiceTimeDistributions[wc];
distr.WorkCenter = workCenter;
EPTOvertakingDispatcher dispatcher = new EPTOvertakingDispatcher(workCenter, workCenter.Name + "_EPTOvertakingDispatcher", waferFabSettings.WCOvertakingDistributions[wc]);
workCenter.SetDispatcher(dispatcher);
// Connect workcenter to OvertakingDistribution
waferFabSettings.WCOvertakingDistributions[wc].WorkCenter = workCenter;
waferFab.AddWorkCenter(workCenter.Name, workCenter);
// Sequences
foreach (var sequence in waferFabSettings.Sequences)
{
waferFab.AddSequence(sequence.Key, sequence.Value);
}
// LotSteps
waferFab.LotSteps = waferFab.Sequences.Select(x => x.Value).Select(x => x.GetCurrentStep(0)).ToDictionary(x => x.Name);
// LotGenerator
waferFab.SetLotGenerator(new LotGenerator(waferFab, "LotGenerator", new ConstantDistribution(60), true));
// Add lotstarts
waferFab.LotStarts = waferFabSettings.LotStarts;
// Add initial lots
List <RealLot> initialRealLots = realSnapShot.GetRealLots(1).Where(x => x.LotActivity.WorkStation == wc).ToList();
waferFab.InitialLots = initialRealLots.Select(x => x.ConvertToLotArea(0, waferFabSettings.Sequences, initialDateTime)).ToList();
// Add observers
LotOutObserver lotOutObserver = new LotOutObserver(simulation, wc + "_LotOutObserver");
dispatcher.Subscribe(lotOutObserver);
TotalQueueObserver totalQueueObserver = new TotalQueueObserver(simulation, wc + "_TotalQueueObserver");
workCenter.Subscribe(totalQueueObserver);
#endregion
simulation.Run();
#region Reporting
SimulationReporter reporter = simulation.MakeSimulationReporter();
reporter.PrintSummaryToConsole();
#endregion
}
}
