Changeset 1129

Timestamp:

07/08/10 22:39:55 (15 years ago)

Author:

jabu

Message:

 

Location:

applications/doprava

Files:

• traffic_agent_cycle_time.cpp (modified) (1 diff)
• traffic_agent_cycle_time.h (modified) (3 diffs)

applications/doprava/traffic_agent_cycle_time.cpp

@@ -1 +1 @@
 #include "traffic_agent_cycle_time.h"
-

applications/doprava/traffic_agent_cycle_time.h

@@ -1 +1 @@
 #include "traffic_agent.cpp"
 const string testMessage = "test_message";
+const double measurement_cycle_time = 90; // s
+const double saturated_stream = 0.5; // car/s
+const int sample_cycles = 5;
+
+
+class SignalGroup {
+public:
+        string name;
+        Array <Lane*> lanes;
+        double green_time_ratio;
+        int average_queue_length;
+        string queue_name;
+        int cycle_counter;
+
+        SignalGroup () {
+                average_queue_length = 0;
+        }
+
+        void adapt() {
+                if ( (cycle_counter +1)% sample_cycles == 0 )
+                        average_queue_length = 0;
+        }
+
+        
+        int getSumCarsWaitingTime ( double time_cycle ) {
+                int q = average_queue_length/sample_cycles; // pomocna delka fronty - UPRAVIT - pocitat s vetsi nez prumernou?
+                int cars_per_green = time_cycle * green_time_ratio * lanes.length() * saturated_stream; // pocet aut ktere projedou na zelenou
+                int sum_cars_waiting_time = 0; // suma aut * cekacich casu
+                int i = 0; // iterator
+                while ( q > cars_per_green ) {
+                        q -= cars_per_green;
+                        sum_cars_waiting_time += q*time_cycle;
+                        i ++;
+                }
+                // + zbytek fronty + prvni nezapocitana vlna
+                if ( i > 0 ) {
+                        sum_cars_waiting_time += q*time_cycle + cars_per_green*(1.0-green_time_ratio)*time_cycle*0,5;
+                        //cout << "delsi fronta " << q << " ";
+                }
+
+                // pocet aut * stredni hodnota cekaci doby pri volne krizovatces
+                else {
+                        sum_cars_waiting_time += (0.5*(1.0-green_time_ratio))*(time_cycle*q);
+                        //cout << "kratsi fronta " << q << " ";
+                }
+
+                //cout << "signal group " << name << " tc " << time_cycle << " cekani " << sum_cars_waiting_time << " fronta " << average_queue_length << endl;
+                
+                return sum_cars_waiting_time;
+        }
+
+        void addQueue( int q ) {
+                
+                if ( q > 0 )
+                        average_queue_length += q;
+        }       
+
+        
+};
 
 class TrafficAgentCycleTime : public BaseTrafficAgent {
-private:
-        static double measurement_cycle_time; // s
-        static double saturated_stream; // car/s
-        static double Tc;
+public:
+        int Tc;
+        int minTc;
+        int maxTc;
+        int stepTc;
+        int idealTc;
+        static const int d_Tc = 3; // pocet navrhovanych delek cyklu    
         int cycle_counter;
+        int max_profit;
+        unsigned int n_of_broadcast;
         Array <int> lane_sum;
-
-        void sum_lanes() {
-                for ( int i = 0; i < lane_sum.length(); i ++ ) {
-                        if ( inputs(2*i) > 0 ) {
-                                lane_sum(i) = lane_sum(i) + inputs(2*i);
-                        }
-                }
-        }
-
-        void echo ( string message ) {
-                cout << name << " hlasi: " << message << endl;          
-        }
-
-        void send2neighbour( Setting &set, int i, string messageName, double messageValue ) {           
-                if ( i < neighbours.length() ) {
-                        Setting &msg =set.add(Setting::TypeGroup);
-                        UI::save( neighbours(i), msg, "to" );
-                        UI::save (name,msg,"from");
-                        UI::save( messageName, msg, "what" );
-                        UI::save( messageValue, msg, "value" );
-                }
-                else {
-                        //throw new Exception("soused "+((string)i)+" neexistuje");
-                        //cout << endl << endl << "soused " << i << mimo
-                        std::stringstream out;
-                        out << "soused " << i << " neexistuje";
-                        //throw out.str();
-                        cout << out.str();
-                }
-        }
+        Array <SignalGroup*> signal_groups;
+        Array <int> received_Tcs;
+        Array <int> received_profit_sum;
+
+// POMOCNE FUNKCE
 
         void printVector ( RV rv_vector, vec vector, string description ) {
@@ -54 +93 @@
         }
 
+        void echo ( string message ) {
+                cout << name << " hlasi: " << message << endl;          
+        }
+
+        unsigned int find_index ( RV rv_vector, string index_string ) {
+                for ( unsigned int i = 0; i < (int) rv_vector.length(); i ++) {
+                        if ( rv_vector.name(i) == index_string )
+                                return i;
+                }
+                return rv_vector.length();
+        }
+
+        unsigned int find_index ( Array <string> arr, string index_string ) {
+                for ( unsigned int i = 0; i < (int) arr.length(); i ++) {
+                        if ( arr(i) == index_string )
+                                return i;
+                }
+                return arr.length();
+        }
+
+// VYPOCETNI FUNKCE
+
+        int getSumCarsWaitingTime ( double time_cycle ) {
+                int sum = 0;
+                SignalGroup * sg;
+                for ( int i = 0; i < signal_groups.length(); i ++ ) {
+                        sg = signal_groups(i);
+                        sum += sg->getSumCarsWaitingTime( time_cycle );
+                }
+                return sum;
+        }
+
+        int getQueue () {
+                int queue = 0;
+                SignalGroup *sg;
+                for ( int i = 0; i < signal_groups.length(); i ++ ) {
+                        sg = signal_groups(i);
+                        queue += sg->average_queue_length;
+                }
+                return queue;
+        }
+
+        // NEPOUZIVAT?
+        //int getIdealTc() {
+        //      int min_waiting_time = getSumCarsWaitingTime(Tc);
+        //      int waiting_time;
+        //      int idealTc = Tc;
+        //      cout << name << " Tc wt" << endl;
+        //      for ( int t_c = Tc - 2*stepTc; t_c <= Tc + 2*stepTc; t_c += stepTc ) {
+        //              waiting_time = getSumCarsWaitingTime(t_c);
+        //              cout << t_c << " " << waiting_time << endl;
+        //                      if ( waiting_time < min_waiting_time ) {
+        //                              min_waiting_time = waiting_time;
+        //                              idealTc = t_c;
+        //                      }
+        //      }
+        //      cout << "IDEAL " << idealTc << endl;
+        //      return idealTc;
+        //}
+
+        int getIdealTc() {
+                        
+        }
+
+
+        void send2neighbour( Setting &set, int i, string messageName, double messageValue ) {           
+                if ( i < neighbours.length() ) {
+                        Setting &msg =set.add(Setting::TypeGroup);
+                        UI::save( neighbours(i), msg, "to" );
+                        UI::save (name,msg,"from");
+                        UI::save( messageName, msg, "what" );
+                        UI::save( messageValue, msg, "value" );
+                }
+                else {
+                        //throw new Exception("soused "+((string)i)+" neexistuje");
+                        //cout << endl << endl << "soused " << i << mimo
+                        std::stringstream out;
+                        out << "soused " << i << " neexistuje";
+                        //throw out.str();
+                        cout << out.str();
+                }
+        }
+
+        void send2allNeighbours ( Setting &set, string messageName, double messageValue ) {
+                for ( int i = 0; i < neighbours.length(); i++ ) {
+                        send2neighbour( set, i, messageName, messageValue );
+                }
+        }
+
+        int getProfit( int time_cycle ) {
+                if ( Tc != time_cycle )
+                        return getSumCarsWaitingTime( Tc ) - getSumCarsWaitingTime ( time_cycle );
+                else
+                        return 0;
+        }
+
         
-
-public:
+// FUNKCE VOLANE V main_loop NA ZACATKU
         void from_setting( Setting &set ) {
                 BaseTrafficAgent::from_setting(set);
-                TrafficAgentCycleTime::measurement_cycle_time = 90; //s
-                TrafficAgentCycleTime::saturated_stream = 0.5;
-                TrafficAgentCycleTime::Tc = 80;
-        }
-
-        void broadcast(Setting &set){
-                //BaseTrafficAgent::broadcast(set);
-                try {
-                        for ( int i = 0; i < neighbours.length(); i ++ ) {
-                                send2neighbour( set, i, testMessage, 2.3 );                             
-                        }
-                } catch ( string s ) {
-                        cout << s << endl;
-                }               
+                //TrafficAgentCycleTime::Tc = 80;
+        }
+
+        void validate (){
+                rv_action = RV("Tc",1);
+                rv_action.add( RV( stage_names, ones_i(stage_names.length()) ) );
+                Tc = 80;
+                minTc = 60;
+                maxTc = 120;
+                stepTc = 5;
+                max_profit = 0;
+                received_profit_sum.set_length( 2*d_Tc +1 );
+                received_Tcs.set_length( 2*d_Tc +1 );
+                cycle_counter = 0;
+
+                BaseTrafficAgent::validate();
+                // inicializace signalnich skupin
+                for ( int i = 0; i < lanes.length(); i ++ ) {
+                        Lane * l = & lanes(i);
+                        int sg_index = -1;
+                        for ( int j = 0; j < signal_groups.length(); j ++ ) {
+                                SignalGroup * sg;
+                                sg = signal_groups(j);
+                                if ( sg->name == l->sg )
+                                        sg_index = j;
+                        }
+                        SignalGroup * sg;
+                        if ( sg_index >= 0 ) {                          
+                                sg = signal_groups(sg_index);
+                        }
+                        else {
+                                sg = new SignalGroup();
+                                sg->name = l->sg;
+                                sg->average_queue_length = 0;
+                                signal_groups.set_size( signal_groups.length()+1, true );
+                                signal_groups(signal_groups.length()-1) = sg;
+                        }                       
+                        sg->lanes.set_size(sg->lanes.length()+1, true);
+                        sg->lanes(sg->lanes.length()-1) = l;
+                }
+        }
+
+// FUNKCE VOLANE V main_loop V KAZDEM CYKLU
+
+        void adapt (const vec &glob_dt) {
+                // inicializes vars of cycle of broadcast
+                n_of_broadcast = 0;
+                max_profit = 0;
+                idealTc = Tc;
+                
+                for ( int i = 0; i < signal_groups.length(); i ++ ) {
+                        signal_groups(i)->adapt();
+                }
+
+                for ( int i = 0; i < received_profit_sum.length(); i++ ) {
+                        received_profit_sum(i) = 0;
+                }
+
+                // nacteni dat do signalnich skupin
+                cout << endl << cycle_counter << " SG " << (cycle_counter%sample_cycles +1) << endl;
+                for ( int i = 0; i < rv_queues.length(); i ++ ) {
+                        SignalGroup * sg;
+                        sg = signal_groups(i);
+                        sg->queue_name = rv_queues.name(i);
+                        sg->addQueue(queues(i));
+                        sg->green_time_ratio = green_times(i);
+                        sg->cycle_counter = cycle_counter;
+                        //cout << sg->name << " " << sg->getSumCarsWaitingTime(Tc) << " " << sg->average_queue_length << " " << sg->green_time_ratio*Tc << " " << sg->getTime2zeroQue() << endl;
+                        cout << sg->name << " " << queues(i) << " " << sg->average_queue_length << " " << sg->average_queue_length / (cycle_counter%sample_cycles +1) << endl;
+                }
+
+                //suggestedTc = idealTc = getIdealTc();         
+                
+                //cout << endl << "CELKOVA FRONTA " << name << " " << getQueue() << endl;
+
+                BaseTrafficAgent::adapt(glob_dt);
+        }
+
+        void broadcast(Setting &set){           
+                
+                // 1. cycle of communication
+                // sends all tcs in range +- d_tc and expected profits according to tc
+                // format: tc_index, profit_index
+                if ( n_of_broadcast == 0 && ( cycle_counter % sample_cycles == 0 ) ) {
+                        for ( int i = -d_Tc; i <= d_Tc; i++ ) {                         
+                                int time_cycle = Tc + i*stepTc;
+                                int profit = getProfit(time_cycle);
+
+                                // send tc
+                                stringstream time_cycle_stream;
+                                time_cycle_stream << "tc_" << (i+d_Tc);
+                                send2allNeighbours( set, time_cycle_stream.str(), time_cycle);
+                                
+                                // send profit
+                                stringstream profit_stream;
+                                profit_stream << "profit_" << (i+d_Tc);
+                                send2allNeighbours( set, profit_stream.str(), profit );
+
+                                //cout << name << " tc " << time_cycle << " profit " << profit << " cekani " << getSumCarsWaitingTime(time_cycle) << endl;
+                        }
+                        //cout << endl;
+                }
+                
+                n_of_broadcast ++;
         }
 
@@ -78 +302 @@
                 string what;
                 string from;
-                string to;
-                double val;
-                try {
-                        UI::get(what, msg, "what", UI::compulsory);
-                        UI::get(from, msg, "from", UI::compulsory);
-                        UI::get(to, msg, "to", UI::compulsory);
-                        UI::get(val, msg, "value");
-                        if ( what == testMessage ) {
-                                //cout << endl << name << ": OD: " << from << " CO: " << what << " KOLIK: " << val <<endl;
-                        }
-                        if ( what == "new_stable_state" ) {
-                                //echo("new_stable_state");
-                                BaseTrafficAgent::receive(msg);         
-                        }
-
-                        
-                } catch ( UISettingException e ) {
-                        echo(e.what());
-                }
-        }
-
-        void validate (){
-                BaseTrafficAgent::validate();
-                lane_sum.set_size( rv_inputs.length() );
-                for ( int i = 0; i < lane_sum.length(); i ++ ) {
-                        lane_sum(i) = 0;
-                        cout << endl << endl << "lane_sum initialization " << name << " " << lane_sum(i) <<endl << endl ;
-                }
-                echo("validate");
-        }
-
-        void adapt (const vec &glob_dt) {
-                sum_lanes();
-                //printVector( rv_queues, queues, "queues" );
-                printVector( rv_inputs, inputs, "inputs" );
-                for ( int i = 0; i < lane_sum.length(); i ++ ) {
-                        cout << lane_sum(i) << endl;
-                }
-                cout << endl << endl;
-                //printVector( green_names, green_times, "inputs" );
-                //cout << endl << name << "green times: " << endl;
-                for ( int i = 0; i < green_times.length(); i ++ ) {
-                        //cout << green_names(i) << " " << green_starts(i) << " " << green_times(i) << endl;
-                }
-
-                
-/*
-                for ( int i = 0; i < outputs.length(); i ++ ) {
-                        cout << name << " outputs " << outputs(i) << endl;
-                }
-
-                for ( int i = 0; i < rv_outputs.length(); i ++ ) {
-                        cout << name << " rv_outputs " << rv_outputs.name(i) << endl;
-                }
-
-        */      
-
-                BaseTrafficAgent::adapt(glob_dt);
-                //echo("adapted");
+                double val;             
+                UI::get(what, msg, "what", UI::compulsory);
+                UI::get(from, msg, "from", UI::compulsory);
+                UI::get(val, msg, "value");
+                
+                //cout << name << " receiving from " << from << " " << what << " : " << val<<endl;
+                if ( n_of_broadcast == 1 ) {
+                        if ( what.substr(0,2) == "tc" ) {                       
+                                istringstream tc_i( what.substr(3, what.length()-3) );
+                                int index;
+                                tc_i >> index;
+                                received_Tcs( index ) = val;
+                                //cout << "tc " << val << endl;
+                        }
+                        if ( what.substr(0,6) == "profit" ) {                           
+                                istringstream profiti( what.substr(7, what.length()-7) );
+                                int index;
+                                profiti >> index;
+                                received_profit_sum( index ) = received_profit_sum( index ) + val;
+                                //cout << "profit " << val << endl;                     
+                        }
+                }
+                
+                if ( what == "new_stable_state" ) {
+                        //echo("new_stable_state");
+                        BaseTrafficAgent::receive(msg);         
+                }       
+                
         }
 
         void act (vec &glob_ut){
-                
+                if ( cycle_counter % sample_cycles == 0 ) {
+                        // choose tc with max profit            
+                        for ( int i = 0; i < received_profit_sum.length(); i ++ ) {
+                                int time_cycle = received_Tcs(i);
+                                int profit = received_profit_sum(i) + getProfit(time_cycle);
+                                if ( profit > max_profit ) {
+                                        max_profit = profit;
+                                        idealTc = time_cycle;
+                                        //cout << name << " idealni Tc " << time_cycle << " s celkovym ziskem " << profit << endl;
+                                }
+                        }
+                        //cout << endl << name << " nastevuje TC na " << idealTc << endl;
+                        Tc = idealTc;
+
+
+                        // nastaveni delky cyklu na Tc
+                        vec action;
+                        action.set_size(rv_action._dsize());    
+                        int st;
+                        int stage_time_sum = 0;  // soucet delky fazi
+                        action(find_index(rv_action, "Tc")) = Tc;               
+                        for ( int i =0; i < stage_names.length(); i ++) {                       
+                                if ( (i+1) < stage_names.length() ) {
+                                        st = (stage_times(i)/80)*Tc;
+                                        stage_time_sum += st;
+                                        action(find_index(rv_action, stage_names(i))) = st;
+                                }
+                                else // dopocitani posledni faze - oprava zaokrouhlovaci chyby
+                                        action(find_index(rv_action, stage_names(i))) = Tc - stage_time_sum;
+                        }
+                        action2ds.filldown(action,glob_ut);
+                }
+                cycle_counter ++;
         }