An experiment control and data acquisition system for the biology small-angle x-ray scattering station

Journal Article · Tue Feb 01 04:00:00 EST 1983 · IEEE Trans. Nucl. Sci.; (United States)

DOI:https://doi.org/10.1109/TNS.1983.4332246· OSTI ID:5985761

Stubblefield, F W; Alberi, J L

An experiment control and data acquisition system for experiments to be conducted at the Biology Small-Angle X-ray Scattering Station at the National Synchrotron Light Source is under development. The primary function of the system is to acquire and record x-ray diffraction patterns in time-slice (or time-frame) mode, where the basic average rate of data collection is 10/sup 6/ detected photons/second and the biological process under study can be divided up into about 10/sup 1/ - 10/sup 3/ separate time slices. Furthermore, the system must provide external sample stimuli which bring about the biological process and must coordinate these stimuli with the time slices. A multiprocessor system has been designed. The principle behind the system design is to use a commercially available computer system to perform the standard functions associated with experiment control and data acquisition, while partitioning off the non-standard functions onto auxiliary computer processors. This technique has led to a four-processor system in which interprocessor communication is accomplished by means of a multiported shared memory module.

• Research Organization: Brookhaven National Laboratory, Upton, N.Y. 11973
• DOE Contract Number: AC02-76CH00016
• OSTI ID: 5985761
• Journal Information: IEEE Trans. Nucl. Sci.; (United States), Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Issue: 1 Vol. 30:1; ISSN IETNA
• Country of Publication: United States
• Language: English

Related Subjects

551000* -- Physiological Systems
59 BASIC BIOLOGICAL SCIENCES
ACCELERATORS
BIOLOGY
COHERENT SCATTERING
COMPUTERS
CONTROL SYSTEMS
CYCLIC ACCELERATORS
DATA ACQUISITION SYSTEMS
DESIGN
DIFFRACTION
ELECTRONIC CIRCUITS
MICROELECTRONIC CIRCUITS
MICROPROCESSORS
NSLS
PROGRAMMING
RADIATION SOURCES
SCATTERING
SMALL ANGLE SCATTERING
SYNCHROTRON RADIATION SOURCES
SYNCHROTRONS
X-RAY DIFFRACTION