简介：1Chemistryandsynthesis1.1ProductionandcontrolofmaterialsThesedaystherecanbefewpeoplewhodonotknowthatproteinsaredefinedbyDNA.DNAismadeoftwostrands,eachofwhichhasalongit,likeastringoffairylights,sidebranchesthatmeetbetweenthestrandsandholdthemtogether.

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简介：Thispaperpresentsamechanicalmodelofjumpingrobotbasedonthebiologicalmechanismanalysisoffrog.Bybiologicalobservationandkinematicanalysisthefrogjumpisdividedintotake-offphase,aerialphaseandlandingphase.Wefindthesimilartrajectoriesofhindlimbjointsduringjump,theimportanteffectoffootduringtake-offandtheroleofforelimbinsupportingthebody.Basedontheobservation,thefrogjumpissimplifiedandamechanicalmodelisputforward.Therobotlegisrepresentedbya4-barspring/linkagemechanismmodel,whichhasthreeDegreesofFreedom(DOF)athipjointandoneDOF(passive)attarsometatarsaljointonthefoot.TheshoulderandelbowjointseachhasoneDOFforthebalancingfunctionofarm.Thegroundreactionforceofthemodelisanalyzedandcomparedwiththatoffrogduringtake-off.Theresultsshowthatthemodelhasthesameadvantagesoflowlikelihoodofprematurelift-offandhighefficiencyasthefrog.Analysisresultsandthemodelcanbeemployedtodevelopandcontrolarobotcapableofmimickingthejumpingbehavioroffrog.

简介：Extenicsisanewlydevelopedinterdisciplinarysubjectcombiningmathematics,philosophyandengineering.Itprovidesusefulformalizedqualitativetoolsandquantitativetoolsforsolvingcontradictoryproblems.Inthispaper,extensiontheoryisintroducedbrieflyandtheprimaryapplicationsofthistheoryandmethodsinbionicengineeringresearcharediscussed.Theextensionmodelofbiologicalcouplingfunctionalsystemisestablished.Inordertoidentifytheprimaryandsecondarysequencingofcouplingelements,theExtensionAnalyticHierarchyProcess(EAHP)wasadoptedtoanalyzethecontributionofeachcouplingelementtothecouplingfunctionalsystem.Thus,theinfluenceweightfactorofeachcouplingelementcanbedetermined,soastoprovideanewapproachforsolvingprimaryandsecondarysequencingproblemofcouplingelementsinaquantitativeway,andfacilitatethesubsequentbioniccouplingstudy.

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