US Patent 7905089 Actuator control system implementing adaptive flow control

Patent 7905089 was granted and assigned to Caterpillar Inc. on March, 2011 by the United States Patent and Trademark Office.

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Patent

Patent attributes

Current Assignee

Caterpillar Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7905089

Date of Patent

March 15, 2011

Patent Application Number

11898608

Date Filed

September 13, 2007

Patent Primary Examiner

‌

F Daniel Lopez

Patent abstract

An actuator control system is disclosed. The actuator control system may have a pump and at least one actuator. The actuator control system may further have an actuator valve configured to control the at least one actuator. The actuator control system may also have a pump pressure sensor configured to determine a pump pressure value and a load pressure sensor configure to determine a load pressure value. The actuator control system may additionally have a controller configured to receive the pump pressure value and the load pressure value. The controller may further be configured to compare the pump pressure value and the load pressure value, and selectively implement a primary control strategy and a secondary control strategy based on the comparison.

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