Screed slope controller for a paver

Details Screed slope controller for a paver Screed slope controller for a paver

1989-05-12

1990-05-15

Massie, Jerome W.

Road structure, process, or apparatus

Process

In situ treatment of earth or roadway

404 84, 404118, E01C 2301

Patent

active

049253409

ABSTRACT:
A controller for controlling the slope of a screed supported by support arms wherein the screed is moved over a distance includes a first slope sensor which develops a first sensor signal representing the slope of the screed, a second slope sensor which develops a second sensor signal representing the slope of the support arms and a first summer which sums the first sensor signal and command signal indicative of a particular screed slope to develop a first error signal. An integrator integrates the error signal over distance to develop an integrated first error signal. A second summer sums the integrated first error signal with the second sensor signal to develop a second error signal which is utilized to control actuators which adjust the slope of the support arms.

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