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On hands-off trajectory generation for a two-wheeled rover based on <span class="MathJax_Preview" style="">L^{1}/L^{2}</span><script type="math/tex" id="MathJax-Element-1">L^{1}/L^{2}</script>-optimal control | IEEE Conference Publication | IEEE Xplore

On hands-off trajectory generation for a two-wheeled rover based on L^{1}/L^{2}-optimal control


Abstract:

In this paper, we propose a method for a two-wheeled rover, which generates a trajectory whose curvature is sparse, that is, the desired trajectory is mostly linear. Such...Show More

Abstract:

In this paper, we propose a method for a two-wheeled rover, which generates a trajectory whose curvature is sparse, that is, the desired trajectory is mostly linear. Such a trajectory can be obtained by sparse control minimizing the L1 -norm of the angular velocity input. We call this trajectory a hands-off trajectory. The proposed method is based on L1/L2- optimal control. In the method, we use the cost function consisting of the L1 -norm of the angular velocity input and the L2 -norm of all the inputs of the system. Minimizing it leads to a sparse control on a rover angle, which means that the generated trajectory is mostly linear. Then, a rover can track it easily. For obtaining the optimal control input in a numerically stable manner, we propose an algorithm based on the continuation method. The effectiveness of the proposed method is demonstrated by numerical simulations.
Date of Conference: 21-23 October 2018
Date Added to IEEE Xplore: 30 December 2018
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Conference Location: Washington, DC, USA

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