Improving Trajectory Optimization Using a Roadmap Framework

© 2018 IEEE. We present an evaluation of several representative sampling-based and optimization-based motion planners, and then introduce an integrated motion planning system which incorporates recent advances in trajectory optimization into a sparse roadmap framework. Through experiments in 4 commo...

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Main Authors: Dai, Siyu, Orton, Matthew Ralph, Schaffert, Shawn, Hofmann, Andreas, Williams, Brian C
Other Authors: Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory
Format: Article
Language:English
Published: Institute of Electrical and Electronics Engineers (IEEE) 2021
Online Access:https://hdl.handle.net/1721.1/137335
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author Dai, Siyu
Orton, Matthew Ralph
Schaffert, Shawn
Hofmann, Andreas
Williams, Brian C
author2 Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory
author_facet Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory
Dai, Siyu
Orton, Matthew Ralph
Schaffert, Shawn
Hofmann, Andreas
Williams, Brian C
author_sort Dai, Siyu
collection MIT
description © 2018 IEEE. We present an evaluation of several representative sampling-based and optimization-based motion planners, and then introduce an integrated motion planning system which incorporates recent advances in trajectory optimization into a sparse roadmap framework. Through experiments in 4 common application scenarios with 5000 test cases each, we show that optimization-based or sampling-based planners alone are not effective for realistic problems where fast planning times are required. To the best of our knowledge, this is the first work that presents such a systematic and comprehensive evaluation of state-of-the-art motion planners, which are based on a significant amount of experiments. We then combine different stand-alone planners with trajectory optimization. The results show that the combination of our sparse roadmap and trajectory optimization provides superior performance over other standard sampling-based planners' combinations. By using a multi-query roadmap instead of generating completely new trajectories for each planning problem, our approach allows for extensions such as persistent control policy information associated with a trajectory across planning problems. Also, the sub-optimality resulting from the sparsity of roadmap, as well as the unexpected disturbances from the environment, can both be overcome by the real-time trajectory optimization process.
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spelling mit-1721.1/1373352022-09-29T16:24:22Z Improving Trajectory Optimization Using a Roadmap Framework Dai, Siyu Orton, Matthew Ralph Schaffert, Shawn Hofmann, Andreas Williams, Brian C Massachusetts Institute of Technology. Computer Science and Artificial Intelligence Laboratory Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology. Department of Aeronautics and Astronautics © 2018 IEEE. We present an evaluation of several representative sampling-based and optimization-based motion planners, and then introduce an integrated motion planning system which incorporates recent advances in trajectory optimization into a sparse roadmap framework. Through experiments in 4 common application scenarios with 5000 test cases each, we show that optimization-based or sampling-based planners alone are not effective for realistic problems where fast planning times are required. To the best of our knowledge, this is the first work that presents such a systematic and comprehensive evaluation of state-of-the-art motion planners, which are based on a significant amount of experiments. We then combine different stand-alone planners with trajectory optimization. The results show that the combination of our sparse roadmap and trajectory optimization provides superior performance over other standard sampling-based planners' combinations. By using a multi-query roadmap instead of generating completely new trajectories for each planning problem, our approach allows for extensions such as persistent control policy information associated with a trajectory across planning problems. Also, the sub-optimality resulting from the sparsity of roadmap, as well as the unexpected disturbances from the environment, can both be overcome by the real-time trajectory optimization process. 2021-11-04T14:51:25Z 2021-11-04T14:51:25Z 2018-10 2021-05-04T18:41:36Z Article http://purl.org/eprint/type/ConferencePaper https://hdl.handle.net/1721.1/137335 Dai, Siyu, Orton, Matthew Ralph, Schaffert, Shawn, Hofmann, Andreas and Williams, Brian C. 2018. "Improving Trajectory Optimization Using a Roadmap Framework." IEEE International Conference on Intelligent Robots and Systems. en http://dx.doi.org/10.1109/iros.2018.8594274 IEEE International Conference on Intelligent Robots and Systems Creative Commons Attribution-Noncommercial-Share Alike http://creativecommons.org/licenses/by-nc-sa/4.0/ application/pdf Institute of Electrical and Electronics Engineers (IEEE) arXiv
spellingShingle Dai, Siyu
Orton, Matthew Ralph
Schaffert, Shawn
Hofmann, Andreas
Williams, Brian C
Improving Trajectory Optimization Using a Roadmap Framework
title Improving Trajectory Optimization Using a Roadmap Framework
title_full Improving Trajectory Optimization Using a Roadmap Framework
title_fullStr Improving Trajectory Optimization Using a Roadmap Framework
title_full_unstemmed Improving Trajectory Optimization Using a Roadmap Framework
title_short Improving Trajectory Optimization Using a Roadmap Framework
title_sort improving trajectory optimization using a roadmap framework
url https://hdl.handle.net/1721.1/137335
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