1. Лифшиц А.Л. Статистическое моделирование СМО, М., 1978.
2. Советов Б.А., Яковлев С.А. Моделирование систем, М: Высшая школа, 1985.
3. Гмурман В.Е. Теория вероятностей и математическая статистика, М: Высшая школа, 2001.
4. Пригодин Н.В. Системный подход в моделировании. М., 1986.
Приложение
Procedure TForm1. Show_Report;
Var
I: Integer;
Begin
If Form3. CheckBox1. Checked=true
then begin
Memo1. Clear;
Form4. Memo1. Clear;
end;
if Form3. RadioButton2. Checked=true then
BEGIN
For i: =1 to Turn_Count Do
Turnikets [i]. Lab. Free;
Memo1. Lines. Add ('Эксперимент №: '+IntToStr (Eksp));
Memo1. Lines. Add ('Общее время моделирования: '+IntToStr (Time));
Memo1. Lines. Add ('Прошло зрителей: '+IntToStr (Count_Of_F_People));
Memo1. Lines. Add ('Из них гостей: '+ IntToStr (G_Count));
Memo1. Lines. Add ('Максимальная длина очереди: '+IntToStr (Max_Queue));
Memo1. Lines. Add ('Средняя длина очереди: '+FloatToStrF (AverageQueue,ffFixed,2,2));
Memo1. Lines. Add (' ');
Memo1. Lines. Add ('Количество заявок');
For i: =1 to Turn_Count Do
Memo1. Lines. Add ('Турникет №'+IntToStr (I) +': '+IntToStr (Turnikets [i]. Zayavki));
Memo1. Lines. Add (' ');
Memo1. Lines. Add ('Время работы');
For i: =1 to Turn_Count Do
Memo1. Lines. Add ('Турникет №'+IntToStr (I) +': '+IntToStr (Turnikets [i]. Rabota));
Memo1. Lines. Add (' ');
Memo1. Lines. Add ('Время простоя');
For i: =1 to Turn_Count Do
Memo1. Lines. Add ('Турникет №'+IntToStr (I) +': '+IntToStr (Turnikets [i]. Prostoy));
Memo1. Lines. Add ('***********************************');
Memo1. Lines. Add (' ');
Memo1. Visible: =True;
Memo1. ReadOnly: =True;
END
else // вывод в отдельном окне
BEGIN
Form4. Show;
For i: =1 to Turn_Count Do
Turnikets [i]. Lab. Free;
Form4. Memo1. Lines. Add ('Эксперимент №: '+IntToStr (Eksp));
Form4. Memo1. Lines. Add ('Общее время моделирования: '+IntToStr (Time));
Form4. Memo1. Lines. Add ('Прошло зрителей: '+IntToStr (Count_Of_F_People));
Form4. Memo1. Lines. Add ('Из них гостей: '+ IntToStr (G_Count));
Form4. Memo1. Lines. Add ('Максимальная длина очереди: '+IntToStr (Max_Queue));
Form4. Memo1. Lines. Add ('Средняя длина очереди: '+FloatToStrF (AverageQueue,ffFixed,2,2));
Form4. Memo1. Lines. Add (' ');
Form4. Memo1. Lines. Add ('Количество заявок');
For i: =1 to Turn_Count Do
Form4. Memo1. Lines. Add ('Турникет №'+IntToStr (I) +': '+IntToStr (Turnikets [i]. Zayavki));
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Form4. Memo1. Lines. Add (' ');
Form4. Memo1. Lines. Add ('Время работы');
For i: =1 to Turn_Count Do
Form4. Memo1. Lines. Add ('Турникет №'+IntToStr (I) +': '+IntToStr (Turnikets [i]. Rabota));
Form4. Memo1. Lines. Add (' ');
Form4. Memo1. Lines. Add ('Время простоя');
For i: =1 to Turn_Count Do
Form4. Memo1. Lines. Add ('Турникет №'+IntToStr (I) +': '+IntToStr (Turnikets [i]. Prostoy));
Form4. Memo1. Lines. Add ('***********************************');
Form4. Memo1. Lines. Add (' ');
Form4. Memo1. Visible: =True;
Form4. Memo1. ReadOnly: =True;
END;
End;
Procedure TForm1. Add_G;
Var
i, Min,Min_i: Integer;
Begin
Min: =Turnikets [1]. Queue_Len;
Min_i: =1;
For i: =2 To Turn_Count Do
Begin
if Turnikets [i]. Queue_Len<Min Then
Begin
Min: =Turnikets [i]. Queue_Len;
Min_i: =i;
End;
End;
Inc (Turnikets [Min_i]. Queue_Len);
If Turnikets [Min_i]. Queue_Len>Max_Queue Then Max_Queue: =Turnikets [Min_i]. Queue_Len;
For i: =Turnikets [Min_i]. Queue_Len DownTo 2 do
Begin
Turnikets [Min_i]. Queue [i]: =Turnikets [Min_i]. Queue [i-1];
End;
Turnikets [Min_i]. Queue [1]. Status: =1; // 1-ый в очереди
Turnikets [Min_i]. Queue [1]. T_in_Queue: =0;
if Turnikets [Min_i]. Status=False Then
Turnikets [Min_i]. R_Obsl: =TimeRandom (G_ServeMin,G_ServeMax);
Turnikets [Min_i]. Status: =True;
Inc (G_Count);
End;
Procedure TForm1. Add_4el;
Var
i, Min,Min_i: Integer;
Begin
Min: =Turnikets [1]. Queue_Len;
Min_i: =1;
For i: =2 To Turn_Count Do
Begin
if Turnikets [i]. Queue_Len<Min Then
Begin
Min: =Turnikets [i]. Queue_Len;
Min_i: =i;
End;
End;
Inc (Turnikets [Min_i]. Queue_Len);
If Turnikets [Min_i]. Queue_Len>Max_Queue Then Max_Queue: =Turnikets [Min_i]. Queue_Len;
Turnikets [Min_i]. Queue [Turnikets [Min_i]. Queue_Len]. Status: =0;
Turnikets [Min_i]. Queue [Turnikets [Min_i]. Queue_Len]. T_in_Queue: =0;
if Turnikets [Min_i]. Status=False Then
Turnikets [Min_i]. R_Obsl: =TimeRandom (ServeMin,ServeMax);
Turnikets [Min_i]. Status: =True;
End;
Function TForm1. TimeRandom;
Begin
Result: =Random (Max-Min+1) +Min;
End;
Procedure TForm1. Refresh;
Var
I: Integer;
Begin
For i: = 1 to Ap_Cnt do
Begin
Turnikets [i]. Queue_Len: =0;
Turnikets [i]. T_Obsl: =0;
Turnikets [i]. R_Obsl: =0;
Turnikets [i]. Status: =False;
Turnikets [i]. Zayavki: =0;
Turnikets [i]. Rabota: =0;
Turnikets [i]. Prostoy: =0;
Turnikets [i]. Lab: =TLabel. Create (PageControl1);
Turnikets [i]. Lab. Left: =7;
Turnikets [i]. Lab. Top: =140+i*20;
(PageControl1 as TPageControl). Pages [0]. InsertControl (Turnikets [i]. Lab);
End;
End;
Function TForm1. Zna4_Read;
Var
Zn: Integer;
Begin
Try
Zn: =StrToInt (ET. Text);
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Except
ShowMessage ('Значение поля некорректно!!! ');
End;
if Zn<Min Then Zn: =Min;
if Zn>Max Then Zn: =Max;
ET. Text: =IntToStr (Zn);
Result: =Zn;
End;
procedure TForm1. Timer1Timer (Sender: TObject);
Var
I,J: Integer;
// s: string;
begin
Chart1. Series [0]. Clear;
Inc (Time);
Label17. Caption: ='Время моделировния '+IntToStr (Time);
Inc (Time_4el);
Inc (Time_Guest);
inc (k);
// kartinka
if (k=100) and (change=true) then
begin
inc (kartinka);
Image1. Picture. LoadFromFile (s+inttostr (kartinka) +'. jpg');
k: =0;
if kartinka=11 then
kartinka: =1;
end;
if Time_4el=Random_4el Then // Зритель пришел
Begin
Add_4el;
Random_4el: =TimeRandom (ComeMin,ComeMax);
Time_4el: =0;
End;
if Time_Guest=Random_Guest Then // Гость пришел
Begin
Add_G;
Random_Guest: =TimeRandom (G_ComeMin,G_ComeMax);
Time_Guest: =0;
End;
For I: =1 to Turn_Count Do
Begin
Full_Queue_Len: =Full_Queue_Len+Turnikets [i]. Queue_Len;
If Turnikets [i]. Status Then
Begin
Inc (Turnikets [i]. Rabota);
Turnikets [i]. Lab. Caption: ='ТУРНИКЕТ №'+IntToStr (i) +' занят ';
Turnikets [i]. Lab. Caption: =Turnikets [i]. Lab. Caption+' '+'Очередь '+IntToStr (Turnikets [i]. Queue_Len-1);
End
Else
Begin
Inc (Turnikets [i]. Prostoy);
Turnikets [i]. Lab. Caption: ='ТУРНИКЕТ №'+IntToStr (i) +' свободен ';
Turnikets [i]. Lab. Caption: =Turnikets [i]. Lab. Caption+' '+'Очередь '+IntToStr (Turnikets [i]. Queue_Len);
End;
If Turnikets [i]. Status Then
Begin
Inc (Turnikets [i]. T_Obsl);
If Turnikets [i]. T_Obsl=Turnikets [i]. R_Obsl Then // Закончено время обслуживания
Begin
Inc (Turnikets [i]. Zayavki);
Turnikets [i]. T_Obsl: =0;
Inc (Count_Of_F_People);
Dec (Turnikets [i]. Queue_Len);
For J: =1 To Turnikets [i]. Queue_Len Do
Turnikets [i]. Queue [j]: =Turnikets [i]. Queue [j+1];
if Turnikets [i]. Queue_Len=0 Then // больше никого нет. Ожидание
Begin
Turnikets [i]. Status: =False;
Turnikets [i]. R_Obsl: =0;
End
Else
Begin
If Turnikets [i]. Queue [1]. Status=0 Then
Begin
Turnikets [i]. R_Obsl: =TimeRandom (ServeMin,ServeMax);
End
Else
Begin
Turnikets [i]. R_Obsl: =TimeRandom (G_ServeMin,G_ServeMax);
End;
End;
End;
End;
Chart1. Series [0]. Add (turnikets [i]. Zayavki,'');
if Edit12. Visible=true then
ProgressBar1. Position: =Time;
End;
If ((Edit12. Visible=true) and (Time=SetTime)) or // КОНЕЦ!!!
(Count_Of_F_People=People_Count) Then
Begin
Timer1. Enabled: =False;
Button2. Enabled: =false;
ToolButton1. Enabled: =false;
ToolButton2. Enabled: =true; // Save
N21. Enabled: =true;
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Button3. Enabled: =true;
AverageQueue: =Full_Queue_Len/ (Time*Turn_Count);
Show_Report;
End;
Label_Count_4el. Font. Color: =ClBlue;
Label_Count_4el. Caption: ='Прошло человек '+IntToStr (Count_Of_F_People);
end;
procedure TForm1. FormCreate (Sender: TObject);
begin
Randomize;
Time: =0;
G_Count: =0;
Turn_Count: =0;
Count_Of_F_People: =0;
Max_Queue: =0;
Full_Queue_Len: =0;
AverageQueue: =0;
Time_4el: =0;
Random_4el: =0;
Time_Guest: =0;
Random_Guest: =0;
PageControl1. Pages [1]. TabVisible: =false;
PageControl1. TabIndex: =0;
end;
procedure TForm1. MenuItem4Click (Sender: TObject);
begin
Close;
end;
procedure TForm1. ToolButton3Click (Sender: TObject);
begin
Close;
end;
procedure TForm1. N1Click (Sender: TObject);
begin
Change: =true;
N1. Checked: =true;
N1. Default: =true;
N2. Checked: =false;
N2. Default: =false;
end;
procedure TForm1. N2Click (Sender: TObject);
begin
change: =false;
N2. Checked: =true;
N2. Default: =true;
N1. Checked: =false;
N1. Default: =false;
end;
procedure TForm1. CheckBox1Click (Sender: TObject);
begin
if CheckBox1. Checked=true
then
begin
Edit12. Visible: =true;
ComboBox1. Visible: =true;
end
else
begin
Edit12. Visible: =false;
ComboBox1. Visible: =false;
end;
end;
procedure TForm1. Na4aloExecute (Sender: TObject);
begin
Inc (Eksp);
FormCreate (Button1. NewInstance);
ComeMin: =Zna4_READ (Edit2,1, 20);
ComeMax: =Zna4_Read (Edit3,ComeMin,ComeMin+50);
ServeMin: =Zna4_READ (Edit4,1, 20);
ServeMax: =Zna4_Read (Edit5,ServeMin,ServeMin+50);
G_ComeMin: =Zna4_READ (Edit6,1, 200);
G_ComeMax: =Zna4_Read (Edit7,ComeMin,ComeMin+200);
G_ServeMin: =Zna4_READ (Edit9,1,100);
G_ServeMax: =Zna4_Read (Edit8,ServeMin,ServeMin+100);
Turn_Count: =Zna4_Read (Edit10,1,100);
People_Count: =Zna4_Read (Edit1,10,10000);
Speed: =Zna4_Read (Edit11,1,1000);
Timer1. Interval: =1000 div Speed;
Refresh (Turn_Count);
Random_4el: =TimeRandom (ComeMin,ComeMax);
Random_Guest: =TimeRandom (G_ComeMin,G_ComeMax);
Timer1. Enabled: =True;
change: =true;
if Edit12. Visible=true then
begin
if ComboBox1. ItemIndex=0 then
SetTime: =Zna4_READ (Edit12,10,43200);
if ComboBox1. ItemIndex=1 then
SetTime: =Zna4_READ (Edit12,1,720) *60;
if ComboBox1. ItemIndex=2 then
SetTime: =Zna4_READ (Edit12,1,12) *3600;
end;
ProgressBar1. Position: =0;
if Edit12. Visible=true then
ProgressBar1. Max: =SetTime
else
ProgressBar1. Max: =0;
ToolButton2. Enabled: =false;
Button3. Enabled: =false;
N21. Enabled: =false;
ToolButton1. Enabled: =true;
Button2. Enabled: =true;
end;
procedure TForm1. StopExecute (Sender: TObject);
begin
Timer1. Enabled: =false;
show_report;
ToolButton2. Enabled: =true;
Button3. Enabled: =true;
N21. Enabled: =true;
ToolButton1. Enabled: =false;
Button2. Enabled: =false;
end;
procedure TForm1. MenuItem11Click (Sender: TObject);
begin
Form2. Show;
end;
procedure TForm1. SaveExecute (Sender: TObject);
begin
If SaveDialog1. Execute then
Memo1. Lines. SaveToFile (SaveDialog1. FileName);
end;
procedure TForm1. createExecute (Sender: TObject);
var
i: byte;
begin
if Button2. Enabled=true then
for i: =1 to Turn_Count do
Turnikets [i]. Lab. Free;
// Turnikets [i]. Lab. Caption: ='';
Label17. Caption: ='';
Label_Count_4el. Caption: ='';
Randomize;
Time: =0;
G_Count: =0;
Turn_Count: =0;
Count_Of_F_People: =0;
Max_Queue: =0;
Full_Queue_Len: =0;
AverageQueue: =0;
Time_4el: =0;
Random_4el: =0;
Time_Guest: =0;
Random_Guest: =0;
Refresh (Turn_Count);
Timer1. Enabled: =false;
for i: =1 to Turn_Count do
Turnikets [i]. Lab. Visible: =false;
ProgressBar1. Position: =0;
Chart1. Series [0]. Clear;
end;
procedure TForm1. SpeedButton1Click (Sender: TObject);
begin
PageControl1. Pages [1]. TabVisible: =false;
PageControl1. ActivePage: =PageControl1. Pages [0];
end;
procedure TForm1. SettingsExecute (Sender: TObject);
begin
Form3. Show;
end;
procedure TForm1. VisibleSettingsExecute (Sender: TObject);
begin
PageControl1. Pages [1]. TabVisible: =true;
PageControl1. TabIndex: =1;
end;
procedure TForm1. FormShow (Sender: TObject);
begin
s: =GetCurrentDir+'\';
end;
procedure TForm1. HelpExecute (Sender: TObject);
begin
winhelp (Form1. Handle,'справка. hlp',help_context,1);
end;
end.