Method and apparatus for estimating internal brake energy

Details Method and apparatus for estimating internal brake energy Method and apparatus for estimating internal brake energy

1995-01-05

1997-01-21

Ramirez, Ellis B.

Boots, shoes, and leggings

364578, 36442601, 188264D, 188 716, 188264F, G01K 1302

Patent

active

055965130

ABSTRACT:
A method and apparatus for estimating internal brake energy in a fluid cooled brake of the type used in large work machines from easily sensed machine operating parameters. The temperature of the coolant is sensed before and after it passes through the brake. The coolant flow rate through the brake is determined from one or more additional sensed parameters, for example engine speed. The sensed parameters are used in a thermodynamic model of the brake which generates estimates of internal brake temperature (TEIB) and the amount of power absorbed by the brake (BRKP). Signals representing TEIB and optionally BRKP are generated to provide indications of brake operation and/or health. The model is executed on a digital computer either on-board the vehicle or at a remote location.

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patent: 5172960 (1992-12-01), Chareire
patent: 5190123 (1993-03-01), Hvolka
patent: 5400018 (1995-03-01), Scholl et al.

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