Method and apparatus for asynchronous multi-axis servo path plan

Details Method and apparatus for asynchronous multi-axis servo path plan Method and apparatus for asynchronous multi-axis servo path plan

1998-04-22

1999-10-05

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

Program- or pattern-controlled systems

318570, 31856823, G05B 19416, G05B 194099

Patent

active

059630035

ABSTRACT:
A motion controller includes an input for receiving data corresponding to moves in a cycle of a multi-axis machine. The controller controls electric motors of the machine in accordance with positions set forth in a path planning table. The path planning table is generated from the data by applying a curve defining equation and integrating an alpha variable therein. The alpha variable corresponds to a velocity to acceleration ratio and is adjustable to allow the calculation of a new path planning table having a velocity and acceleration profile shifted from an initial velocity and acceleration profile to allow for optimization of motor performance. A method of path planning having user tunable parameters is also provided.

REFERENCES:
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patent: 3878983 (1975-04-01), Hamill, III et al.
patent: 4199814 (1980-04-01), Rapp et al.
patent: 5121040 (1992-06-01), Takizawa et al.
patent: 5550448 (1996-08-01), Ferragina

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