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. 2021 Dec 17;10(12):2804. doi: 10.3390/plants10122804

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Control scheme for the speed control system. $C H_{1}$ and $C H_{2}$ represent the gamepad gestures; $ω_{R}$ and $ω_{L}$ represent the controlled wheel speed for the right side and the left side, respectively.