Dual-actuator monitor

Details Dual-actuator monitor Dual-actuator monitor

1983-05-02

1986-06-10

Gruber, Felix D.

Excavating

364434, 371 68, 244194, G05D 100, G06F 1130

Patent

active

045947147

ABSTRACT:
In a dual actuator system, runaways are identified by comparing the position and rate of one actuator to another. When there is a threshold position discrepancy and a sustained rate discrepancy, a fault is indicated. The faster actuator is identified as the runaway.

REFERENCES:
patent: 4043526 (1977-08-01), Donley et al.
patent: 4095763 (1978-06-01), Builta
patent: 4130241 (1978-12-01), Meredith et al.
patent: 4209734 (1980-06-01), Osder
patent: 4460964 (1984-07-01), Skutecki et al.
patent: 4472806 (1984-09-01), Blair

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