Boots – shoes – and leggings
Patent
1991-06-12
1993-02-16
Chin, Gary
Boots, shoes, and leggings
364444, 73178R, G06F 1550
Patent
active
051876671
ABSTRACT:
A method that may be implemented in software, that selects tactically sound paths for vehicles from an initial position to a goal position across a piece of terrain. The method searches through possible paths before selecting a desired path. It calculates a numerical heuristic to select promising paths to explore. By exploring only a few of the most promising paths, the method maintains high computational efficiency. Specifically, a list of paths is created (12) that begins with a vehicle's initial section and moves to terrain sections surrounding the vehicle. The list of paths is sorted (13) using a minimum estimated total cost value to goal representing estimates of the relative combat values of different pieces of terrain while the vehicle is within engagement range of hostile positions. The total cost value is defined as the path's current cost value plus the estimated cost value from the current position to the goal. Terrain cost values are defined for each of the sections, using a terrain tactical evaluation function. Each of the first three elements of the list of paths is then examined in order (14), and if any of the paths has reached the vehicle's goal position, this path is selected and the method is complete (15, 16). Otherwise, new paths are then generated (17), by moving from the position at the end of the path to each of the adjacent terrain sections. These new paths are added to the list of paths, the original three paths are deleted, and the method (steps 13, 14, 15, 16) is repeated until the goal position is reached.
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patent: 4827419 (1989-05-01), Selby, III
patent: 4962458 (1990-10-01), Verstraete
patent: 5038290 (1991-08-01), Minami
patent: 5083256 (1992-01-01), Trovato et al.
Chin Gary
Denson-Low W. K.
Gudmestad Terge
Hughes Simulation Systems, Inc.
Sales M. W.
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