System and method for detecting the relative position and motion

Details System and method for detecting the relative position and motion System and method for detecting the relative position and motion

1995-04-20

1997-01-21

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

With circuit for evaluating a web, strand, strip, or sheet

25055938, 356 401, 73105, 33 1Q, 33287, 33338, G01N 2186, G01V 800

Patent

active

055962033

ABSTRACT:
A detecting system for rail vehicles having at least one sprung rigid structure, for instance a bogie frame, and two axles, comprises photosensor position-detecting means applied to the structure and adapted to detect typical geometrical characteristics of the track and the relative position between the axles and the rails when the vehicle is running along the track and to supply electrical signals which are indicative of such geometrical characteristics and such relative position, and displacement detecting means also applied to the structure and adapted to detect relative displacements between the structure and the axles and to supply electrical signals indicative of these displacements. Electronic acquisition and processing means of these electrical signals provide a monitoring related to the configuration of the track and to the dynamic attitude of the structure and of the two axles.

REFERENCES:
patent: 3828440 (1974-08-01), Plasser et al.
patent: 4069590 (1978-01-01), Effinger
patent: 4625412 (1986-12-01), Bradshaw
patent: 4691565 (1987-09-01), Theurer
patent: 5199176 (1993-04-01), Theurer et al.
patent: 5353512 (1994-10-01), Theurer et al.

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