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Digital system for monitoring and controlling remote processes

Conference ·
OSTI ID:5347236
The need to operate increasingly complex and potentially hazardous facilities at higher degrees of efficiency can be met through the development of automated process control systems. The availability of microcomputers capable of interfacing to data acquisition and control equipment results in the possibility of developing such systems at low investment costs. In this paper, an automated control system is described which maintains a constant or time varying pressure in a pressure vessel. Process control data acquisition and analysis is carried out using a commercially available microcomputer and data scanner interface device. In this system, a computer interface is developed to allow precision positioning of custom designed proportional valves. Continuous real-time process control is achieved through a direct digital control algorithm. The advantages to be gained by adapting this system to other process control applications is discussed. The modular design and ability of this system to operate many types of hardware control mechanisms makes it adaptable to a wide variety of industrial applications. 8 refs., 11 figs.
Research Organization:
Sandia National Labs., Albuquerque, NM (USA)
Sponsoring Organization:
DOE/DP
DOE Contract Number:
AC04-76DP00789
OSTI ID:
5347236
Report Number(s):
SAND-89-1608C; CONF-891208--26; ON: DE90003935
Country of Publication:
United States
Language:
English

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Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
220200 -- Nuclear Reactor Technology-- Components & Accessories
220900 -- Nuclear Reactor Technology-- Reactor Safety
99 GENERAL AND MISCELLANEOUS
990200* -- Mathematics & Computers
ACCURACY
ACTUATORS
ALGORITHMS
AUTOMATION
CABLES
COMMUNICATIONS
COMPUTERIZED CONTROL SYSTEMS
CONDUCTOR DEVICES
CONTAINERS
CONTROL
CONTROL EQUIPMENT
CONTROL SYSTEMS
DATA ACQUISITION
DATA PROCESSING
DATA TRANSMISSION
DESIGN
DIGITAL SYSTEMS
EFFICIENCY
ELECTRIC CABLES
ELECTRICAL EQUIPMENT
ENERGY TRANSFER
EQUIPMENT
ERRORS
EXPERT SYSTEMS
FEEDBACK
FIBER OPTICS
FLOW REGULATORS
FLUID FLOW
HAZARDS
HEALTH HAZARDS
HEAT TRANSFER
HUMAN FACTORS
INDUSTRY
MAN-MACHINE SYSTEMS
MATHEMATICAL LOGIC
PERFORMANCE TESTING
PRESSURE CONTROL
PRESSURE MEASUREMENT
PRESSURE VESSELS
PROCESS CONTROL
PROCESSING
QUALITY ASSURANCE
RADIATION EFFECTS
REACTOR INSTRUMENTATION
REACTOR SAFETY
REAL TIME SYSTEMS
RECOMMENDATIONS
RELIABILITY
REMOTE CONTROL
REMOTE SENSING
RESEARCH PROGRAMS
SAFETY
SIMULATION
TECHNOLOGY ASSESSMENT
TESTING
TRANSDUCERS
TRANSIENTS
USES
VALVES