Title:
APPARATUS AND METHOD FOR AUTOMATICALLY COMPENSATING FOR DEAD ZONE OF A HYDRAULICALLY DRIVEN MACHINE
Document Type and Number:
WIPO Patent Application WO/1995/003492
Kind Code:
A1
Abstract:
An apparatus and method for automatically compensating for a dead zone of a hydraulically driven machine which is capable of easily and precisely detecting a dead zone of an actuator for compensation and improving the trackability, operability, drivability and maintainability of hydraulic equipment. To this end, a detecting means for detecting a dead zone of a flow rate controlling means (10) consists of pressure detecting means (23, 24) for detecting a pressure acting on an actuator (31) or a pump (2), and a judging means for judging the amount of a dead zone consists of a dead zone judging means (50) for judging the dead zone amount of the flow rate controlling means (10) by a signal from the pressure detecting means (23, 24) and a control input instructing means.
Inventors:
KAMADA SEIJI (JP)
Application Number:
PCT/JP1994/001177
Publication Date:
February 02, 1995
Filing Date:
July 19, 1994
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
KAMADA SEIJI (JP)
KAMADA SEIJI (JP)
International Classes:
E02F9/20; E02F9/22; F15B11/00; F15B11/028; F15B11/05; (IPC1-7): F15B11/08
Foreign References:
| JPS62194011A | 1987-08-26 | |||
| JPH01141203A | 1989-06-02 | |||
| JPH01203528A | 1989-08-16 |
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