Document Detail


The C23A: first step to a monitoring system of CELSS in flight.
MedLine Citation:
PMID:  11537379     Owner:  NASA     Status:  MEDLINE    
Abstract/OtherAbstract:
Studies for every level of CELSS: Waste processing, food production, photosynthesis system, and so on ..., imply an automatic system to control, command and quantify gases, water and chemical compounds. Used for many years in plant physiology studies, the C23A system monitors the analysis and quantifies gases (O2, CO2. N2, ...), physical parameters (temperature, humidity, ...) and chemical compounds (NH4+, N03-, ...) on numerous experiments. In the new version, the architecture of the computing system is near of the space requirements. We have chosen a structure with three independent levels: acquisition, monitoring and supervision. Moreover, we use multiplexed analysers: IRGA, mass spectrometer and cheminal analyser. The multiplexing increases the accuracy of the measurements and could facilitate the spatialization. Thus the whole structure anticipates the entire separation between automation in space and control-command on ground.
Authors:
C h Lasseur; D Massimino; J L Renou; C h Richaud
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Advances in space research : the official journal of the Committee on Space Research (COSPAR)     Volume:  9     ISSN:  0273-1177     ISO Abbreviation:  Adv Space Res     Publication Date:  1989  
Date Detail:
Created Date:  2000-04-10     Completed Date:  2000-04-10     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9878935     Medline TA:  Adv Space Res     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  111-6     Citation Subset:  S    
Affiliation:
Matra Espace, Velizy-Villacoublay, France.
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MeSH Terms
Descriptor/Qualifier:
Automation / methods
Carbon Dioxide / metabolism
Computer Communication Networks*
Computer Systems
Ecological Systems, Closed*
Environmental Monitoring
Life Support Systems / instrumentation*
Plant Physiological Phenomena
Space Flight / instrumentation*
Systems Integration*
Chemical
Reg. No./Substance:
124-38-9/Carbon Dioxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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