2022
DOI: 10.1109/tiv.2022.3156429
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Online Trajectory Replanning for Sudden Environmental Changes During Automated Parking: A Parallel Stitching Method

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Cited by 36 publications
(17 citation statements)
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“…The planner was executed once when the mining truck entered the loading or dumping region of the open-pit mine. Online trajectory replanning was implemented via parallel stitching [11] when the original trajectory became invalid due to drastic changes in the environment. Empirically, relaxing the goal pose of the truck from a specific point to a small interval could enhance the real-time performance of the proposed planner at its refinement stage.…”
Section: Experimental Setup and Resultsmentioning
confidence: 99%
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“…The planner was executed once when the mining truck entered the loading or dumping region of the open-pit mine. Online trajectory replanning was implemented via parallel stitching [11] when the original trajectory became invalid due to drastic changes in the environment. Empirically, relaxing the goal pose of the truck from a specific point to a small interval could enhance the real-time performance of the proposed planner at its refinement stage.…”
Section: Experimental Setup and Resultsmentioning
confidence: 99%
“…β 0  is a user-specified parameter that defines the size of the trust region. If one solves an with the trust-region constraint (11), then the derived waypoints along the optimized trajectory close to those along Trajstage1. Through this, constraints (5) and the cost function term (8d) that are already well considered at the coarse search stage need not be included in the targeted NLP formulation because (11) ensures that they are preserved.…”
Section: Targeted Nlp Formulationmentioning
confidence: 99%
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“…Local behavior planning and local trajectory planning functions work together to compute a safe, comfortable and continuous local trajectory based on the identified global route from route planning. Since the resultant trajectory is local, the two functions have to be implemented in a receding-horizon way unless the global destination is not far away [12]. It deserves to emphasize that the output of the two functions should be a trajectory rather than a path [13], [14], and the trajectory interacts with other dynamic traffic participants, otherwise, extra efforts are needed for the ego vehicle to evade the moving obstacles in the environment.…”
Section: B Local Behavior/trajectory Planningmentioning
confidence: 99%
“…Previous competitions typically focused on on-road driving scenarios [11]. However, on-road trajectory planners can hardly be applied to parking schemes owing to the following reasons [7], [12]. First, on-road planners do not support driving direction changes.…”
Section: Motivationsmentioning
confidence: 99%