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1、INVITEDPAPEREvolvedMachinesShedLightonRobustnessandResilienceThispaperdiscussesthetwo-wayinteractionbetweenbrainsandbodies,andtheconsequencesforadaptivebehavior,alongwithreviewingresearchthatbuildsoninsightsfromtheneurobiologyoftheseinteractionstoinformthedesignofevolvingandadaptiverobots.ByJos
2、hBongard,MemberIEEE,andHodLipson,MemberIEEEABSTRACT
3、Inbiomimeticengineering,wemaytakeinspira-I.INTRODUCTIONtionfromtheproductsofbiologicalevolution:wemayEmbodiedcognition[16],[65](Fig.1)isaparticularinstantiatebiologicallyrealisticneuralarchitecturesandalgo-paradigmforaddressingthechallengeofcr
4、eatingauton-rithmsinrobots,orwemayconstructrobotswithmorpholo-omousmachines,aswellasunderstandinghowanimalsgiesthatarefoundinnature.Alternatively,wemaytakeandhumansproduceadaptivebehavior.Itdictatesthatinspirationfromtheprocessofevolution:wemayevolvecognitioncannotbeunderstoodVorrealizedinmachi
5、nesVpopulationsofrobotsinsimulationandthenmanufacturewithoutgroundingitinbehavior.Indeedcognitioncanbephysicalversionsofthemostinterestingormorecapableviewedasacollectionofparticularlysubtlewaysofrobotsthatevolve.Ifwefollowthislatterapproachandevolveexploitingone’sinteractionwiththeenvironment;
6、anboththeneuralandmorphologicalsubsystemsofmachines,interactionthatrequiresneuralcomputationbutalsousewecanperformcontrolledexperimentsthatprovideuniqueofabodytocarryoutthatinteraction.Itfollowsfromthisinsightintohowbodiesandbrainscanworktogethertothattheremayexistalargenumberofpairingsofpartic
7、ularproduceadaptivebehavior,regardlessofwhethersuchbodiesmechanicalconstructsandneuralarchitecturesthat,whenandbrainsareinstantiatedinabiologicalortechnologicalcombined,giverisetothebehaviorofinterest.Thisraisessubstrate.Inthispaper,wereviewselectedprojectsthatuseseveralengineeringchallenges.su
8、chmethodstoinvestigatethesynergiesandtradeoffsFirst,ifaparticularmorphologyischosen,thedesignerbetweenneuralarchitecture,morphology,action,andadaptivemayunintentionallyconstrainhimselftoasetofbehavior.unsatisfyingneuralsystems.For