Accession Number : ADA273827

Title :   Automatic Pressure Control System for the Wright Laboratory Compressor Research Facility.

Descriptive Note : Master's thesis,

Corporate Author : AIR FORCE INST OF TECH WRIGHT-PATTERSON AFB OH

Personal Author(s) : Hull, Brian J.

Report Date : DEC 1993

Pagination or Media Count : 96

Abstract : This thesis presents the design of a pressure control system for the Compressor Research Facility (CRF). Using a fluid dynamics model of the CRF, a controller was designed to track commanded test chamber pressure while the test compressor operated at varying speeds. This was accomplished by adjusting CRF inlet valves first with a coarse open-loop gain schedule, then closing the loop with a digital dynamic compensator for fine adjustments. The design was simulated on a digital computer and coded for incorporation into the CRF's current control algorithm. Control systems, Automatic tracking, Compensators, Discrete controllers, Wind tunnels.

Descriptors :   *ALGORITHMS, *CONTROL SYSTEMS, *DIGITAL COMPUTERS, *FLUID DYNAMICS, *MODELS, *RESEARCH FACILITIES, *WIND TUNNELS, AUTOMATIC TRACKING, COMPENSATORS, COMPRESSORS, CONTROL, DYNAMICS, FACILITIES, INLETS, LOOPS, PRESSURE, TEST AND EVALUATION, THESES, TRACKING, VALVES, VELOCITY, COMPUTERIZED SIMULATION.

Subject Categories : Numerical Mathematics
      Human Factors Engineering & Man Machine System
      Computer Hardware
      Test Facilities, Equipment and Methods
      Aerodynamics
      Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE