Coal interface detector investigation

Book · Thu Jan 01 04:00:00 EST 1987

OSTI ID:6916030

Cislo, R P

This report presents results of an evaluation of the effectiveness of the time domain Coal Interface Detector developed by the General Electric Co. (GE) under contract H0155120. The sensor utilizes differences in the time characteristics of shearer vibrations as sensed by an accelerometer mounted on the ranging arm to discriminate the cutting of coal and rock. Four identical time domain sensors were supplied by the Bureau for field evaluation. The performance of the time domain sensor was evaluated by an extensive field test and data collection program that included four longwall mines and a total of nine mine visits. Results of the extensive field tests indicate that shearer vibration data processed by GE's time domain signal processing algorithm cannot be used to reliably detect when the cutting drum crosses the coal-rock interface.

• OSTI ID: 6916030
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
012031 -- Coal
Lignite
& Peat-- Underground Mining-- Strata Mechanics & Control-- (1987-)
012034* -- Coal
Lignite
& Peat-- Underground Mining-- Automation
Monitoring
& Control-- (1987-)
ALGORITHMS
COAL RESERVES
CUTTER LOADERS
CUTTING MACHINES
DOMAIN STRUCTURE
ELECTRONIC EQUIPMENT
EQUIPMENT
EQUIPMENT INTERFACES
FIELD TESTS
HAULAGE EQUIPMENT
LOADERS
LONGWALL MINING
MATERIALS HANDLING EQUIPMENT
MATHEMATICAL LOGIC
MECHANICAL VIBRATIONS
MINING
MINING EQUIPMENT
MONITORING
NATIONAL ORGANIZATIONS
PERFORMANCE TESTING
RESERVES
RESOURCES
SHEARER LOADERS
TESTING
UNDERGROUND MINING
US BUREAU OF MINES
US DOI
US ORGANIZATIONS