Importance

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Abstract

A method of and apparatus for constructing a control system and a control system created thereby which is based on a finite state machine with constant code (FSMcc). An input preprocessor module normalizes input signals as required by the FSMcc logical processing unit. An output postprocessor module changes the normalized finite state machine outputs to real signals required by the controlled process or apparatus. The input preprocessor allows for a different finite state machine required for an application to be executed by the same constant code contained in the FSMcc microcode storage. An application logic table for the FSMcc is constructed using a specific organization of data representing application logic conditions. This organization allows the entire application logic to be expressed in a table of a technically feasible size. The size of the FSMcc application logic table memory is greatly reduced. The symbolic application logic table is build in a simplified form using implied AND and OR logical operators. This symbolic application table is directly converted into the FSMcc application logic table.

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First Claim