Research Article

Multirobot System to Explore Unknown Environment with Connection Maintenance

Table 11

Comparison of the proposed exploration approaches with different sensor ranges for environment 2.

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

150309364304104761061110376870848851
100285340280102261036110126795773776
150265320260972698619626745723726
200245300240917693119076685663666
250233288228858687218486605583586

250249304244558157165481795773776
100225280220533154665231720698701
150205260200483149664731670648651
200185240180428144164181610588591
250173228168369138263591530508511

350219274214521053455110735713716
100195250190496050954860660638641
150175230170446045954360610588591
200155210150391040453810550528531
250143198138332034553220470448451

450185240180498951244889685663666
100161216156473948744639610588591
150141196136423943744139560538541
200121176116368938243589500478481
250109164104309932342999420398401

550157212152451346484413635613616
100133188128426343984163560538541
150113168108376338983663510488491
2009314888321333483113450428431
2508113676262327582523370348351

650134189129412742624027583561564
100110165105387740123777508486489
1509014585337735123277458436439
2007012565282729622727398376379
2505811353223723722137318296299

750121176116375538903655534512515
1009715292350536403405459437440
1507713272300531402905409387390
2005711252245525902355349327330
2504510040186520001765269247250

85010315898334434793244482460463
1007913474309432292994407385388
1505911454259427292494357335338
200399434204421791944297275278
250278222145415891354217195198

9509114686323633713136431409412
1006712262298631212886356334337
1504710242248626212386306284287
200278222193620711836246224227
250157010134614811246166144147

10507813373299931342899383361364
1005410949274928842649308286289
150348929224923842149258236239
20014699169918341599198176179
250126771109124410091189699