Method and apparatus for a numerical control system for processi

Details Method and apparatus for a numerical control system for processi Method and apparatus for a numerical control system for processi

1997-09-12

1999-11-16

Grant, William

Boots, shoes, and leggings

36447411, 709107, G06F 1900

Patent

active

059844990

ABSTRACT:
A software-based controller implemented on a generic computer hardware platform for dynamically allocating and controlling multiple job streams for anumerically controlling a machine tool. The software-based controller includes a first module for performing a set of first operations corresponding to a first job stream, a second module for performing a set of second operations corresponding to said first job stream, and a third module for performing a set of third operations corresponding to a second job stream. Each of the first, second and third modules are collectively defining a pointer architecture that includes a vertical data system to facilitate communication between operations in the same job stream and a horizontal data system to facilitate communication between operations in different job streams. A shared memory accessible to the first, second and third modules is further defined as having a vertical data structure associated with said vertical data system and a horizontal data structure associated with said horizontal data system. The first, second and third modules communicating through the shared memory by: (a) using the vertical data system to point operations in a common job stream to a first common shared memory location in said vertical data structure; and (b) using the horizontal data system to point operations in a different job streams to a second common shared memory location in said horizontal data structure.

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patent: 5742824 (1998-04-01), Kosaka
patent: 5796986 (1998-08-01), Fuller
patent: 5808432 (1998-09-01), Inoue et al.

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