public void GetCurrentMethodSimulation(SimulationSystem SimSystem, SimulationOutput SimOutput)
{
DataTable dt = new DataTable();
dt.Columns.Add("Index");
dt.Columns.Add("Life RD");
dt.Columns.Add("Life");
dt.Columns.Add("Accumulated Life");
dt.Columns.Add("Delay RD");
dt.Columns.Add("Delay");
Random rnd1 = new Random();
Random rnd2 = new Random();
int NumberOfChangedBearings = 0;
int TotalDelayTime = 0;
int start = 0;
for (int i = 0; i < SimSystem.NumberOfBearings; i++)
{
int index = 1;
int AccumulatedHours = 0;
int TotalDelay = 0;
while (AccumulatedHours < SimSystem.NumberOfHours)
{
int RndLifeTime = rnd1.Next(1, SimSystem.BearingLifeDistribution[SimSystem.BearingLifeDistribution.Count - 1].MaxRange);
int RndDelayTime = rnd2.Next(1, SimSystem.DelayTimeDistribution[SimSystem.DelayTimeDistribution.Count - 1].MaxRange);
int LifeTime = GetTime(RndLifeTime, SimSystem.BearingLifeDistribution);
int DelayTime = GetTime(RndDelayTime, SimSystem.DelayTimeDistribution);
AccumulatedHours += LifeTime;
TotalDelay += DelayTime;
CurrentSimulationCase CSC = new CurrentSimulationCase();
Bearing bearing = new Bearing();
bearing.Index = i;
bearing.RandomHours = RndLifeTime;
bearing.Hours = LifeTime;
CSC.Bearing = bearing;
CSC.AccumulatedHours = AccumulatedHours;
CSC.RandomDelay = RndDelayTime;
CSC.Delay = DelayTime;
SimSystem.CurrentSimulationCases.Add(CSC);
dt.Rows.Add(index.ToString(), RndLifeTime.ToString(), LifeTime.ToString(), AccumulatedHours.ToString(), RndDelayTime.ToString(), DelayTime.ToString());
index++;
NumberOfChangedBearings++;
}
dt.Rows.Add('-', '-', '-', '-', '-', TotalDelay.ToString());
TotalDelayTime += TotalDelay;
StartAndEnd.Add(new KeyValuePair <int, int>(start, (index - 2) + start));
start = (index - 2) + start + 1;
}
SimOutput.CurrentSimulation = dt;
SimOutput.CurrentSimulationPerformance = GetCurrentMethodPerformance(SimSystem, NumberOfChangedBearings, TotalDelayTime);
}
public SimulationOutput StartSimulation(string TestCasePath)
{
SimulationOutput SimOutput = new SimulationOutput();
Helper helper = new Helper();
helper.LoadData(TestCasePath, this);
if (!helper.GetFullDistribution(DelayTimeDistribution))
{
return(SimOutput);
}
if (!helper.GetFullDistribution(BearingLifeDistribution))
{
return(SimOutput);
}
helper.GetCurrentMethodSimulation(this, SimOutput);
helper.GetProposedMethodSimulation(this, SimOutput);
return(SimOutput);
}
void Display(BearingMachineModels.SimulationOutput SimOutput, SimulationSystem SimSystem)
{
dataGridView1.DataSource = SimOutput.CurrentSimulation;
dataGridView3.DataSource = SimOutput.CurrentSimulationPerformance;
dataGridView2.DataSource = SimOutput.ProposedSimulation;
dataGridView4.DataSource = SimOutput.ProposedSimulationPerformance;
if (SimSystem.CurrentPerformanceMeasures.TotalCost < SimSystem.ProposedPerformanceMeasures.TotalCost)
{
MessageBox.Show("The current method is better than the proposed method.");
}
else if (SimSystem.CurrentPerformanceMeasures.TotalCost > SimSystem.ProposedPerformanceMeasures.TotalCost)
{
MessageBox.Show("The proposed method is better than the current method.");
}
else
{
MessageBox.Show("The two methods have the same efficiency.");
}
}
public void GetProposedMethodSimulation(SimulationSystem SimSystem, SimulationOutput SimOutput)
{
DataTable dt = new DataTable();
dt.Columns.Add("Index");
for (int i = 0; i < SimSystem.NumberOfBearings; i++)
{
dt.Columns.Add("Bearing " + (i + 1).ToString() + " Life");
}
dt.Columns.Add("First Failure");
dt.Columns.Add("Accumulated Life");
dt.Columns.Add("Delay RD");
dt.Columns.Add("Delay");
Random rnd1 = new Random();
Random rnd2 = new Random();
int NumberOfChangedBearings = 0;
int TotalDelayTime = 0;
int AccumulatedHours = 0;
int index = 1;
while (AccumulatedHours < SimSystem.NumberOfHours)
{
List <Bearing> Bearings = new List <Bearing>();
NumberOfChangedBearings++;
int MnLife = 99999999;
for (int i = 0; i < SimSystem.NumberOfBearings; i++)
{
if ((StartAndEnd[i].Key + (index - 1)) <= StartAndEnd[i].Value)
{
Bearings.Add(SimSystem.CurrentSimulationCases[StartAndEnd[i].Key + (index - 1)].Bearing);
if (SimSystem.CurrentSimulationCases[StartAndEnd[i].Key + (index - 1)].Bearing.Hours < MnLife)
{
MnLife = SimSystem.CurrentSimulationCases[StartAndEnd[i].Key + (index - 1)].Bearing.Hours;
}
}
else
{
int RndLifeTime = rnd1.Next(1, SimSystem.BearingLifeDistribution[SimSystem.BearingLifeDistribution.Count - 1].MaxRange);
int LifeTime = GetTime(RndLifeTime, SimSystem.BearingLifeDistribution);
Bearing bearing = new Bearing();
bearing.Index = i;
bearing.RandomHours = RndLifeTime;
bearing.Hours = LifeTime;
Bearings.Add(bearing);
if (LifeTime < MnLife)
{
MnLife = LifeTime;
}
}
}
AccumulatedHours += MnLife;
int RndDelayTime = rnd2.Next(1, SimSystem.DelayTimeDistribution[SimSystem.DelayTimeDistribution.Count - 1].MaxRange);
int DelayTime = GetTime(RndDelayTime, SimSystem.DelayTimeDistribution);
TotalDelayTime += DelayTime;
ProposedSimulationCase PSC = new ProposedSimulationCase();
PSC.Bearings = Bearings;
PSC.FirstFailure = MnLife;
PSC.AccumulatedHours = AccumulatedHours;
PSC.RandomDelay = RndDelayTime;
PSC.Delay = DelayTime;
SimSystem.ProposedSimulationCases.Add(PSC);
DataRow dr = dt.NewRow();
dr["Index"] = index.ToString();
for (int i = 0; i < Bearings.Count(); i++)
{
string name = "Bearing " + (i + 1).ToString() + " Life";
dr[name] = Bearings[i].Hours.ToString();
}
dr["First Failure"] = MnLife.ToString();
dr["Accumulated Life"] = AccumulatedHours.ToString();
dr["Delay RD"] = RndDelayTime.ToString();
dr["Delay"] = DelayTime.ToString();
dt.Rows.Add(dr);
index++;
}
DataRow rw = dt.NewRow();
rw["Index"] = "-";
for (int i = 0; i < SimSystem.NumberOfBearings; i++)
{
string name = "Bearing " + (i + 1).ToString() + " Life";
rw[name] = "-";
}
rw["First Failure"] = "-";
rw["Accumulated Life"] = "-";
rw["Delay RD"] = "-";
rw["Delay"] = TotalDelayTime.ToString();
dt.Rows.Add(rw);
SimOutput.ProposedSimulation = dt;
SimOutput.ProposedSimulationPerformance = GetProposedMethodPerformance(SimSystem, NumberOfChangedBearings, TotalDelayTime);
}
