Bionic Control of Cheetah Bounding with a Segmented Spine.
Identifieur interne : 000042 ( PubMed/Curation ); précédent : 000041; suivant : 000043Bionic Control of Cheetah Bounding with a Segmented Spine.
Auteurs : Chunlei Wang [République populaire de Chine] ; Shigang Wang [République populaire de Chine]Source :
- Applied bionics and biomechanics [ 1176-2322 ] ; 2016.
Abstract
A cheetah model is built to mimic real cheetah and its mechanical and dimensional parameters are derived from the real cheetah. In particular, two joints in spine and four joints in a leg are used to realize the motion of segmented spine and segmented legs which are the key properties of the cheetah bounding. For actuating and stabilizing the bounding gait of cheetah, we present a bioinspired controller based on the state-machine. The controller mainly mimics the function of the cerebellum to plan the locomotion and keep the body balance. The haptic sensor and proprioception system are used to detect the trigger of the phase transition. Besides, the vestibular modulation could perceive the pitching angle of the trunk. At last, the cerebellum acts as the CPU to operate the information from the biological sensors. In addition, the calculated results are transmitted to the low-level controller to actuate and stabilize the cheetah bounding. Moreover, the delay feedback control method is employed to plan the motion of the leg joints to stabilize the pitching motion of trunk with the stability criterion. Finally, the cyclic cheetah bounding with biological properties is realized. Meanwhile, the stability and dynamic properties of the cheetah bounding gait are analyzed elaborately.
DOI: 10.1155/2016/5031586
PubMed: 27065749
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In particular, two joints in spine and four joints in a leg are used to realize the motion of segmented spine and segmented legs which are the key properties of the cheetah bounding. For actuating and stabilizing the bounding gait of cheetah, we present a bioinspired controller based on the state-machine. The controller mainly mimics the function of the cerebellum to plan the locomotion and keep the body balance. The haptic sensor and proprioception system are used to detect the trigger of the phase transition. Besides, the vestibular modulation could perceive the pitching angle of the trunk. At last, the cerebellum acts as the CPU to operate the information from the biological sensors. In addition, the calculated results are transmitted to the low-level controller to actuate and stabilize the cheetah bounding. Moreover, the delay feedback control method is employed to plan the motion of the leg joints to stabilize the pitching motion of trunk with the stability criterion. Finally, the cyclic cheetah bounding with biological properties is realized. Meanwhile, the stability and dynamic properties of the cheetah bounding gait are analyzed elaborately.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="PubMed-not-MEDLINE"><PMID Version="1">27065749</PMID><DateCreated><Year>2016</Year><Month>04</Month><Day>12</Day></DateCreated><DateCompleted><Year>2016</Year><Month>04</Month><Day>12</Day></DateCompleted><DateRevised><Year>2016</Year><Month>04</Month><Day>13</Day></DateRevised><Article PubModel="Print-Electronic"><Journal><ISSN IssnType="Print">1176-2322</ISSN><JournalIssue CitedMedium="Print"><Volume>2016</Volume><PubDate><Year>2016</Year></PubDate></JournalIssue><Title>Applied bionics and biomechanics</Title><ISOAbbreviation>Appl Bionics Biomech</ISOAbbreviation></Journal><ArticleTitle>Bionic Control of Cheetah Bounding with a Segmented Spine.</ArticleTitle><Pagination><MedlinePgn>5031586</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1155/2016/5031586</ELocationID><Abstract><AbstractText>A cheetah model is built to mimic real cheetah and its mechanical and dimensional parameters are derived from the real cheetah. In particular, two joints in spine and four joints in a leg are used to realize the motion of segmented spine and segmented legs which are the key properties of the cheetah bounding. For actuating and stabilizing the bounding gait of cheetah, we present a bioinspired controller based on the state-machine. The controller mainly mimics the function of the cerebellum to plan the locomotion and keep the body balance. The haptic sensor and proprioception system are used to detect the trigger of the phase transition. Besides, the vestibular modulation could perceive the pitching angle of the trunk. At last, the cerebellum acts as the CPU to operate the information from the biological sensors. In addition, the calculated results are transmitted to the low-level controller to actuate and stabilize the cheetah bounding. Moreover, the delay feedback control method is employed to plan the motion of the leg joints to stabilize the pitching motion of trunk with the stability criterion. Finally, the cyclic cheetah bounding with biological properties is realized. 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