DIAGNOSTIC METHOD AND SYSTEM FOR A MULTIPLE-LINK STEERING SYSTEM

WIPO Patent Application WO2004025218

A3

A diagnostic method and system for determining an operational status of a multiple-link steering system for steering an object attached thereto. The system includes a position determination system for obtaining positional signals related to a steering system, and a data processing system to calculate positional parameters of the steering system based on the positional signals. The data processing system includes a data processor for processing data and a data storage device for storing data. The data storage device bears instructions upon execution by the data processor causing the data processing system to receive a first, second and third positional signal of the steering system when the object being steered to a first, second and third steering angle respectively. The data processing system calculates a first positional parameter for the steering system based on the first and second positional signals, and a second positional parameter for the steering system based on the second and third positional signals. An operational status of the steering system is determined based on the first and second positional parameters, and reference positional parameters.

MURRAY PATRICK (IE)
JACKSON DAVID A (US)
GLICKMAN STEPHEN L (US)
DALE JAMES L JR (US)

PCT/US2003/028883

May 21, 2004

September 15, 2003

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SNAP ON TECH INC (US)
MURRAY PATRICK (IE)
JACKSON DAVID A (US)
GLICKMAN STEPHEN L (US)
DALE JAMES L JR (US)

G01B11/275; (IPC1-7): G01B11/275

US4690557A	1987-09-01
US4130362A	1978-12-19
US5724743A	1998-03-10

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