In-Situ resource assessment and process control with laser Raman spectroscopy

Details In-Situ resource assessment and process control with laser Raman spectroscopy In-Situ resource assessment and process control with laser Raman spectroscopy

Jan 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997isr2.meet....1a&link_type=abstract

In Situ Resource Utilization (ISRU II) Technical Interchange Meeting, p. 1

Computer Science

Laser Spectroscopy, Raman Spectroscopy, Composition (Property), Extraterrestrial Resources, Resource Allocation, Process Control (Industry), Sampling, Soil Sampling, In Situ Measurement, Spectroscopic Analysis, Asteroids, Minerals, Rocks, Soils, Ice

Scientific paper

For in-situ resource utilization certain tasks must be accomplished, including prospecting for available resources and process monitoring and control. During prospecting, surface materials are identified as to whether they contain mineral or molecular components needed for the anticipated process; then ores are found in which these materials are most concentrated. Following size reduction and/or pulverization, raw materials are transported and introduced into the processor unit, where intermediate and final products are analyzed to ascertain that the production process is proceeding as desired. With continual monitoring of intermediate products, feedback may be employed as part of the control strategy. For in-situ application, laser Raman spectroscopy is the ideal resource assessment technique for all these tasks. It has the capability to (1) characterize resource minerals in rocks, soils, or ices; (2) prospect for ores by identifying high concentrations of desired resource material; and (3) monitor a production process by characterizing intermediate and final products (solids or liquids). Moreover, the technique has been implemented in a compact instrument suitable for spacecraft use, e.g. on the surfaces of Mars, the Moon, asteroids, etc.

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