Importance

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Abstract

A multi-operation control system is made up of a plurality of slave computers at least some of which are axis computers each monitoring its respective operation and receiving instructions broken down into plurality of discreet actions. The current state S.sub.c,N of each slave is determined and is compared with preset absolute maximum status for that slave S.sub.ab,N(max) and the maximum acceptable change in status .delta.S.sub.a,N(max) of each respective slave is determined and the corresponding appropriate state signal based on the maximum acceptable change to that slave is sent to all of the slaves in the system. Each axis slave then reads all state signals and determines the highest state signal acceptable to all slaves and each axis slave then carries out its correspond increment(s) of change in status .delta. S.sub.N based on the highest S.sub.a,N(max) acceptable to all slaves.

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First Claim