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Use of the theory of recognition of patterns in developing methane metering equipment for blow-out-dangerous mines. [Instrument recognizes rate of change of methane concentration and, if dangerous, shuts off electrical equipment]

Journal Article:

Abstract

In the most general form, the existing methane-metering equipment which issues command signals when the maximum permissible value of methane concentration has been reached can be viewed as a recognition system. The algorithm for operation on the principle of evaluating the degree of blow-out danger of the ore atmosphere stipulates the recognition of two situations: 1) ''not dangerous ''(methane concentration below maximum permissible value); 2) ''dangerous'' (disorders in technological process; methane concentration above maximum permissible value). This approach for constructing means for gas protection is optimal only for mines working beds which are not dangerous for sudden blow-outs. However, if we ''train'' the apparatus to recognize what was the reason for increase in methane concentration, ways are afforded for solving the problem of creating an effective methane-metering equipment for mines with sudden blow-outs. Gas-dynamic processes with sudden blow-outs can be distinguished from standard technological, in particular, according to the rate in increase in methane concentration. On this basis, functional plan is proposed for constructing the automatic gas protection for explosiondangerous mines which includes a primary measurement of methane concentration, block of concentration control, block of process recognition, block of command signals, block of information delay, block of measuring the rate  More>>
Authors:
Publication Date:
Jan 01, 1978
Product Type:
Journal Article
Reference Number:
EDB-83-165689
Resource Relation:
Journal Name: Kond. Rudn. Vozdukha Glub. Shakhtakh; (USSR); Journal Volume: 6
Subject:
01 COAL, LIGNITE, AND PEAT; 47 OTHER INSTRUMENTATION; MEASURING INSTRUMENTS; CALIBRATION; PATTERN RECOGNITION; METHANE; ECOLOGICAL CONCENTRATION; MAXIMUM PERMISSIBLE LEVEL; MONITORING; MINING EQUIPMENT; COMPUTERIZED CONTROL SYSTEMS; UNDERGROUND MINING; MONITORS; ROCK BURSTS; ALARM SYSTEMS; COAL MINES; ALKANES; CONTROL SYSTEMS; EQUIPMENT; HYDROCARBONS; MINES; MINING; ORGANIC COMPOUNDS; SAFETY STANDARDS; STANDARDS; UNDERGROUND FACILITIES; 012000* - Coal, Lignite, & Peat- Mining; 440300 - Miscellaneous Instruments- (-1989); 016000 - Coal, Lignite, & Peat- Health & Safety
OSTI ID:
5718078
Country of Origin:
USSR
Language:
Russian
Other Identifying Numbers:
Journal ID: CODEN: XYZH3
Submitting Site:
HEDB
Size:
Pages: 41-45
Announcement Date:
Sep 01, 1983

Journal Article:

Citation Formats

Medvedev, V N. Use of the theory of recognition of patterns in developing methane metering equipment for blow-out-dangerous mines. [Instrument recognizes rate of change of methane concentration and, if dangerous, shuts off electrical equipment]. USSR: N. p., 1978. Web.
Medvedev, V N. Use of the theory of recognition of patterns in developing methane metering equipment for blow-out-dangerous mines. [Instrument recognizes rate of change of methane concentration and, if dangerous, shuts off electrical equipment]. USSR.
Medvedev, V N. 1978. "Use of the theory of recognition of patterns in developing methane metering equipment for blow-out-dangerous mines. [Instrument recognizes rate of change of methane concentration and, if dangerous, shuts off electrical equipment]." USSR.
@misc{etde_5718078,
title = {Use of the theory of recognition of patterns in developing methane metering equipment for blow-out-dangerous mines. [Instrument recognizes rate of change of methane concentration and, if dangerous, shuts off electrical equipment]}
author = {Medvedev, V N}
abstractNote = {In the most general form, the existing methane-metering equipment which issues command signals when the maximum permissible value of methane concentration has been reached can be viewed as a recognition system. The algorithm for operation on the principle of evaluating the degree of blow-out danger of the ore atmosphere stipulates the recognition of two situations: 1) ''not dangerous ''(methane concentration below maximum permissible value); 2) ''dangerous'' (disorders in technological process; methane concentration above maximum permissible value). This approach for constructing means for gas protection is optimal only for mines working beds which are not dangerous for sudden blow-outs. However, if we ''train'' the apparatus to recognize what was the reason for increase in methane concentration, ways are afforded for solving the problem of creating an effective methane-metering equipment for mines with sudden blow-outs. Gas-dynamic processes with sudden blow-outs can be distinguished from standard technological, in particular, according to the rate in increase in methane concentration. On this basis, functional plan is proposed for constructing the automatic gas protection for explosiondangerous mines which includes a primary measurement of methane concentration, block of concentration control, block of process recognition, block of command signals, block of information delay, block of measuring the rate of methane concentration, threshold device for the rate of increase in concentration.}
journal = {Kond. Rudn. Vozdukha Glub. Shakhtakh; (USSR)}
volume = {6}
journal type = {AC}
place = {USSR}
year = {1978}
month = {Jan}
}