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The purpose of this paper is to describe an expert system to design the base of an automated guided vehicle. The components of the expert system include: (1) A user-friendly graphic user interface, where the user can enter specifications--like the environment used, application of the robot, etc.; (2) An engine that converts the managerial requirements into technical parameters and designs the robot--initially assuming some parameters and confirming its assumptions during the course of the design; when unable to do so, it iterates with different assumptions until they are met; the code also selects various materials to be used from a corresponding database; (3) A database of various materials from their manufacturers/suppliers; (4) The output data is interfaced with a CAD engine, which generates a 3D solid model of the vehicle; and (5) A `Bill of Materials' file is generated as the output and suggestions for how to assemble them are given. The method has been tested by designing a small mobile robot. The software provides an excellent tool to develop a mobile robot based on performance specifications. Modeling helps the user understand the constraints on the design of the robot and the bill of materials--along with the vendor address, helps the user buy the components needed to assemble the robot.© (1998) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only. |
