Research Article

Multirobot System to Explore Unknown Environment with Connection Maintenance

Table 7

Comparison of the proposed exploration approaches with different communication ranges for environment 1.

No. of robotsCommunication rangePath lengthExplorationTotal no. of cycles
CentralizedLeader-followerAd hocCentralizedLeader-followerAd hocCentralizedLeader-followerAd hoc

150304366300104661057110366860840845
100280342276102161032110116785765770
150260322256971698219616735715720
200240302236916692719066675655660
250228290224857686818476595575580

250244306240557156765471785765770
100220282216532154265221710690695
150200262196482149264721660640645
200180242176427143764171600580585
250168230164368137863581520500505

350214276210520053055100725705710
100190252186495050554850650630635
150170232166445045554350600580585
200150212146390040053800540520525
250138200134331034153210460440445

450180242176497950844879675655660
100156218152472948344629600580585
150136198132422943344129550530535
200116178112367937843579490470475
250104166100308931942989410390395

550152214148450346084403625605610
100128190124425343584153550530535
150108170104375338583653500480485
2008815084320333083103440420425
2507613872261327182513360340345

650129191125411742224017573553558
100105167101386739723767498478483
1508514781336734723267448428433
2006512761281729222717388368373
2505311549222723322127308288293

750116178112374538503645524504509
1009215488349536003395449429434
1507213468299531002895399379384
2005211448244525502345339319324
2504010236185519601755259239244

8509816094333434393234472452457
1007413670308431892984397377382
1505411650258426892484347327332
200349630203421391934287267272
250228418144415491344207187192

9508614882322633313126421401406
1006212458297630812876346326331
1504210438247625812376296276281
200228418192620311826236216221
25010726133614411236156136141

10507313569298930942889373353358
1004911145273928442639298278283
150299125223923442139248228233
20019715168917941589188168173
2507693109912049991088893