private void readLotSteps(ToyFabSettings settings)
{
using (var reader = new StreamReader(Path.Combine(Directory, "LotSteps.csv")))
{
int row = 1;
while (!reader.EndOfStream)
{
string[] values = reader.ReadLine().Split(',');
if (row != 1 && values[0] != "")
{
LotStep step = new LotStep(Convert.ToInt32(values[0]), values[1]);
settings.LotSteps.Add(values[1], step);
workStationLotStepMapping.Add(step, values[2]);
int[] eligibilities = values.Skip(3).Select(x => Convert.ToInt32(x)).ToArray();
machineEligibilities.Add(step, eligibilities);
}
row++;
}
}
}
public void readLotSteps(ToyFabSettings settings)
{
using (var reader = new StreamReader(Path.Combine(Directory, @"Old\LotSteps.csv")))
{
int row = 1;
while (!reader.EndOfStream)
{
string[] values = reader.ReadLine().Split(',');
if (row != 1 && values[0] != "")
{
LotStep step = new LotStep(Convert.ToInt32(values[0]), values[1]);
settings.LotSteps.Add(values[1], step);
workStationLotStepMapping.Add(step, values[2]);
List <int?> eligibilities = new List <int?>();
for (int i = 4; i < values.Length; i++)
{
eligibilities.Add((values[i] != "") ? Convert.ToInt32(values[i]) : (int?)null);
}
MachineEligibilities.Add(step, eligibilities);
}
row++;
}
}
}
protected override void OnUpdate(ModelElementBase modelElement)
{
WorkCenter workCenter = (WorkCenter)modelElement;
LotStep step = workCenter.LastArrivedLot.GetCurrentStep;
queueLengths[step].UpdateValue(workCenter.Queues[step].Length);
queueLengthsStatistic[step].Collect(queueLengths[step].PreviousValue, queueLengths[step].Weight);
writeToFile(workCenter);
}
public string GetWorkCenterNameForLotstep(LotStep lotstep)
{
foreach (var wc in LotStepsPerWorkStation)
{
if (wc.Value.Contains(lotstep))
{
return(wc.Key);
}
}
return("No workcenter found");
}
private void updateWeights()
{
int indexLotMaxWeight = 0;
double maxWeight = double.MinValue;
for (int i = 0; i < wc.Queue.Length; i++)
{
Lot lot = wc.Queue.PeekAt(i);
double weight = 0.0;
for (int relStep = -jStepBack; relStep <= 0; relStep++)
{
if (lot.HasRelativeStep(relStep))
{
LotStep step = lot.GetRelativeStep(relStep);
weight += lot.GetRelativeWorkCenter(relStep).Queues[step].LengthInWafers - WIPtargets[step];
}
}
for (int relStep = 1; relStep <= kStepAhead; relStep++)
{
if (lot.HasRelativeStep(relStep))
{
LotStep step = lot.GetRelativeStep(relStep);
weight += WIPtargets[step] - lot.GetRelativeWorkCenter(relStep).Queues[step].LengthInWafers;
}
}
//Console.WriteLine($"{lot.Id}\t{lot.GetCurrentWorkCenter.Name}\t{lot.GetCurrentStep.Name}\t{(int)WIPtargets[lot.GetCurrentStep]}\t{lot.GetCurrentWorkCenter.Queues[lot.GetCurrentStep].Length}\t=" +
// $"{lot.GetCurrentWorkCenter.Queues[lot.GetCurrentStep].Length - (int)WIPtargets[lot.GetCurrentStep]}");
// Only if weight is higher, replace lotToDispatch. If weight is equal, do FIFO, so keep old one.
if (weight > maxWeight)
{
indexLotMaxWeight = i;
maxWeight = weight;
}
}
lotToDispatch = wc.Queue.PeekAt(indexLotMaxWeight);
string chosenLotStep = lotToDispatch.GetCurrentStep.Name;
//Console.WriteLine($"{lotToDispatch.Id} {lotToDispatch.GetCurrentStep.Name}");
}
protected override void OnUpdate(ModelElementBase modelElement)
{
WorkCenter workCenter = (WorkCenter)modelElement;
try
{
LotStep step = new LotStep();
// Check whether this OnUpdate is triggered by Arrival or Departure event
if (workCenter.IsArrivalFlag)
{
step = workCenter.LastArrivedLot.GetCurrentStep;
//Console.WriteLine($"{GetTime} {this.Name} triggered by arrival of {step.Name} of lot {workCenter.LastArrivedLot.Id}.");
}
else
{
step = workCenter.LotStepInService;
//Console.WriteLine($"{GetTime} {this.Name} triggered by departure of {step.Name} of lot {workCenter.Queues[step].PeekFirst().Id}");
}
queueLengths[step].UpdateValue(workCenter.Queues[step].Length);
queueLengthsStatistic[step].Collect(queueLengths[step].PreviousValue, queueLengths[step].Weight);
writeToFile(workCenter);
//writeToConsole(workCenter);
}
catch
{
if (workCenter.IsArrivalFlag)
{
Lot lot = workCenter.LastArrivedLot;
throw new Exception($"{workCenter.Name} has lot {lot.ProductType} in {lot.GetCurrentStep.Name}, should be in {lot.GetCurrentWorkCenter.Name}");
}
else
{
LotStep step = workCenter.LotStepInService;
throw new Exception($"{workCenter.Name} has step {step.Name} in service, but this step belongs to workcenter {step.WorkCenter.Name}");
}
}
}
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);
}
}
