1、Data Processing Equipment,AIAA Team 3Cameron A. Snider Saleh M. Kausar,Industry Leaders,Federal Aviation Regulations & Military Specifications,FAR 121.344 Instrument & Equipment Requirements Digital Flight Data Recorders FAR 91.609 Equipment & Operating Requirements for Large & Transport Category Ai
2、rcraft FAR G91.2 Operations in Reduced Vertical Separation Minimum (RVSM) Airspace FAR 25.1353 Transport Category Electrical Systems & Equipment Installation FAR 25.1357 Transport Category Electrical Systems & Equipment Circuit Protective Devices MIL-STD-1750A Military Standard Sixteen-Bit Computer
3、Instruction Set Architecture MIL-STD-1553B Military Standard Digital Data Bus Components,Airborne Computing & Processing,Mission Computer Mission Display Processor Radar Data Processor Air Data Processor Acoustic Processor General Avionics Computer Flight Management Computer Electronic Data Manageme
4、nt System Weapons System Processor Head-up Display Weapon Aiming Computer Navigation/Attack Computer Data Acquisition Unit Tactical Pilots Awareness Computer Flight Data Monitoring & Recording Unit,Flight Management Computer (FMC),The flight management computers can be found on most commercial & bus
5、iness aircraft Flight management computers assists the pilot in navigation, flight planning & aircraft control Provides real-time navigation information such as the programmed route, database waypoints & standard departure/arrival procedures Navigation information combined with airplane position use
6、d to drive moving map displays Calculates performance data and vertical profiles based on weight, cost index, cruise altitude and predicted winds Provides lateral and vertical path guidance to the auto-flight system when engaged,Aircraft Position - Inertial Reference System - Global Positioning Syst
7、em - Navaids (VOR/DME/ADF),Flight Management Computer - Navigation Database - Performance Calculations,Auto-Flight System - Auto-throttle - Flight Directors Electronic Flight Instrument System - Attitude Indicator - Heading Indicator,Engine Indicating & Crew Alerting System (EICAS),EICAS is designed
8、 to provide integrated engine information and crew annunciations Displays high and low turbine RPM, exhaust pressure ratio, temperature, oil pressure and fuel flow indications The crew alerting feature provides EICAS messages, flight deck lamp control and aural alerts Typical systems monitored by EI
9、CAS include hydraulics, pneumatics, electrical, deicing, environmental controls and flight controls surfaces High connectivity, provides data acquisition and routing,Modular Mission Computer (MMC),General Avionics Computer/Fire Control ComputerHead-Up Display Electronics UnitCentral Interface Unit S
10、tores Management ComputerUses 64-bit wide architecture with a 1245 hour mean time between failure15 modules in the 24 slot chassis, 6 processor, 4 I/O, 5 Power Supplies, 9 Future Growth Employs digital data bus channesl to communicate with avionics systemsEnhances situational awareness, air-to-air c
11、apabilities & targeting accuraciesEnables use of helmet mounted cueing systems, advanced weapons loads, reconnaissance pods, forward looking infrared targeting & navigation systems,Navigation/Attack Computer,Allows military aircraft to locate and attack specific ground targets with a high degree of
12、accuracy Digital computing technology is used to integrate a wide variety of sensors to compile data and present it to the aircrew Typical Navigation/Attack computers uses Inertial Reference Systems to locate the target without having to rely on active sensors such as radar which can be detected Ine
13、rtial positions periodically updated with GPS, VOR/DME/ADF or Doppler Radar Provides lateral guidance commands to the auto-flight system if coupled Computes range to target and other parameters required for weapons delivery The crew authorizes a weapons release but the computer is responsible for re
14、leasing the weapon compensating for wind, aircraft speed and other factors,Air Data Computer,2 to 3 lb 5” x 6” x 2.5” Total and static pressure inputs Total temperature and barometric inputs 2 per aircraft,Source: http:/ http:/ieeexplore.ieee.org/iel2/1069/7207/00290844.pdf?arnumber=290844,Sources:,http:/www.airweb.faa.gov/Regulatory_and_Guidance_Library/rgFAR.nsf/MainFrame?OpenFrameSethttp:/ieeexplore.ieee.org/Xplore/login.jsp?url=/iel2/1069/7207/00290844.pdf?arnumber=290844http:/ http:/www.sanmina- Anthony L. (2006, January). Data Processing Equipment. Aviation Week, 223-224.,
