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Titolo:
A LOCAL-NETWORK INTEGRATED INTO A BALLOON-BORNE APPARATUS
Autore:
IMORI M; UEDA I; SHIMAMURA K; MAENO T; MURATA T; SASAKI M; MATSUNAGA H; MATSUMOTO H; SHIKAZE Y; ANRAKU K; MATSUI N; YAMAGAMI T;
Indirizzi:
UNIV TOKYO,INT CTR ELEMENTARY PARTICLE PHYS,BUNKYO KU,HONGO 7-3-1 TOKYO 113 JAPAN UNIV TOKYO,FAC SCI,BUNKYO KU TOKYO 113 JAPAN KOBE UNIV,NADA KU KOBE HYOGO 657 JAPAN INST SPACE & ASTRONAUT SCI SAGAMIHARA KANAGAWA 229 JAPAN
Titolo Testata:
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
fascicolo: 2-3, volume: 414, anno: 1998,
pagine: 194 - 204
SICI:
0168-9002(1998)414:2-3<194:ALIIAB>2.0.ZU;2-4
Fonte:
ISI
Lingua:
ENG
Soggetto:
SYSTEM;
Keywords:
BALLOON-BORNE EXPERIMENT; LOCAL NETWORK; OMNINET PROTOCOL; BESS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
15
Recensione:
Indirizzi per estratti:
Citazione:
M. Imori et al., "A LOCAL-NETWORK INTEGRATED INTO A BALLOON-BORNE APPARATUS", Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 414(2-3), 1998, pp. 194-204

Abstract

A local network is incorporated into an apparatus for a balloon-borneexperiment. A balloon-borne system implemented in the apparatus is composed of subsystems interconnected through a local network, which introduces modular architecture into the system. The network decomposes the balloon-borne system into subsystems, which are similarly structured from the point of view that the systems is kept under the control ofa ground station. The subsystem is functionally self-contained and electrically independent. A computer is integrated into a subsystem, keeping the subsystem under the control. An independent group of batteries. being dedicated to a subsystem, supplies the whole electricity of the subsystem. The subsystem could be turned on and off independently of the other subsystems. So communication among the subsystems needs tobe based on such a protocol that could guarantee the independence of the individual subsystems. An Omninet protocol is employed to network the subsystems. A ground station sends commands to the balloon-borne system. The command is received and executed at the system, then results of the execution are returned to the ground station. Various commands are available so that the system borne on a balloon could be controlled and monitored remotely from the ground station. A subsystem responds to a specific group of commands. A command is received by a transceiver subsystem and then transferred through the network to the subsystem to which the command is addressed, Then the subsystem executes the command and returns results to the transceiver subsystem, where the results are telemetered to the ground station. The network enhances independence of the individual subsystems, which enables programs of the individual subsystems to be coded independently. Independence facilitates development and debugging of programs, improving the quality of thesystem borne on a balloon. (C) 1998 Elsevier Science B.V. All rights reserved.

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Documento generato il 20/09/20 alle ore 01:05:45