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When a component is replaced in the maintenance of a large plant, for example several dozen meters size, the replacement-operation's cost is highly affected by its transportation route in the plant. When a component is transported by an overhead-crane, the number of corners in the route is desired to be minimized because it represents the number of required lanes, which affects the cost. Given that...
Planning alternative multiple carry-in/out paths is essential to the engineering work of replacement tasks in power plant maintenance, adapting to the uncertain 3D environment of the plant building. For this subject, dissimilarity of the planned paths and fast response time for the query are required for a path finding algorithm. Existing path finding algorithms can find exact multiple paths but the...
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