期刊
BIOINSPIRATION & BIOMIMETICS
卷 10, 期 1, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1748-3190/10/1/016018
关键词
soft robotics; hybrid controls; insect locomotion; locomotion template
资金
- National Science Foundation [1100452]
- Directorate For Engineering
- Div Of Civil, Mechanical, & Manufact Inn [1100452] Funding Source: National Science Foundation
- Division Of Integrative Organismal Systems
- Direct For Biological Sciences [1050908] Funding Source: National Science Foundation
Caterpillars show a remarkable ability to get around in complex environments (e.g. tree branches). Part of this is attributable to crochets which allow the animal to firmly attach to a wide range of substrates. This introduces an additional challenge to locomotion, however, as the caterpillar needs a way to coordinate the release of the crochets and the activation of muscles to adjust body posture. Typical control models have focused on global coordination through a central pattern generator (CPG). This paper develops an alternative to the CPG, which accomplishes the same task and is robust to a wide range of body properties and control parameter variation. A one-dimensional model is proposed which consists of lumped masses connected by a network of springs, dampers and muscles. Computer simulations of the controller/model system are performed to verify its robustness and to permit comparison between the generated gaits and those observed in real caterpillars (specifically Manduca sexta.).
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