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- W4383108205 abstract "With their combination of power and compliance, pneumatic actuators have great potential for enabling dynamic and agile behaviors in legged robots, but their complex dynam-ics impose control challenges that have hindered widespread use. In this paper, we describe the development of a tractable model and characterization procedure of an off-the-shelf double acting pneumatic cylinder controlled by on/off solenoid valves for use in trajectory optimization. With this we are able to generate motions which incorporate both the body and actuator dynamics of our robot Kemba: a novel quadrupedal robot prototype with a combination of electric and pneumatic actu-ators. We demonstrate both a 0.5 m jump and land maneuver, and a maximal 1 m jump, approximately 2.2 times its leg length, on the physical hardware with the proposed model and approach. The hardware matches the desired trajectory with a maximum height error of only 5 cm without any feedback on the pneumatic joints, demonstrating the utility of the model in high-level motion generation, and capability of the physical robot." @default.
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- W4383108205 date "2023-05-29" @default.
- W4383108205 modified "2023-10-16" @default.
- W4383108205 title "Getting Air: Modelling and Control of a Hybrid Pneumatic-Electric Legged Robot" @default.
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- W4383108205 doi "https://doi.org/10.1109/icra48891.2023.10160737" @default.
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