A Study of a Reconnaissance Surveillance Vehicle

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Reliability Trade Methodology Optimize Reliability / Redundancy Consistent with Cost Constraint Requirement: Desired Loss Rate of Less than 1 Per XXX Missions, ( Ps > (1- ) Identify Flight Critical Items Perform Trades of Cost vs. MTTCF Stop =< $ ZZ M Define Single Channel Architecture Perform Cost Analysis Ps> YYY Is Redundancy Feasible ? Define Redundant Architecture Sequential Application of Min Cost Redundancy Ps > YYY 1 XXX ) NPS041003 10
Redundancy • Level of Redundancy – Application dependent / Cost • Mostly Similar / Some Dissimilar – Flight Critical / Mission Critical Flight Critical • Nav Equipment • Flt Computers • Flt Control S/W • Air Data • Propulsion • Electrical System • Flt Control Actuators • Altimeter • Landing gear • Nose wheel steering • Brakes Mission Critical • COMMs * • Payloads • ECS / Fuel Mgmt * • Ground segment C 2 * * Could be Flt Critical NPS041003 11
Page 1 and 2: A Study of a Reconnaissance Surveil
Page 3 and 4: GENERAL UAV ISSUES NPS041003 3
Page 5 and 6: STRATEGIC • Worldwide OPS • Sel
Page 7 and 8: Risk Reduction • Never attempt to
Page 9: Design to Cost Lowest costs are ach
Page 13 and 14: DMS (Diminishing Mfg Sources) - Obs
Page 15 and 16: Learn from Others’ Mistakes NPS04
Page 17 and 18: Design Requirements NPS041003 17
Page 19 and 20: 50,000 Ft Steady 20Kt Crosswind Com
Page 21 and 22: System Selection NPS041003 21
Page 23 and 24: Continuous coverage Analysis Approa
Page 25 and 26: Original Design Objective Balance M
Page 27 and 28: The HALE vehicle - (High Altitude L
Page 29 and 30: Configuration Development NPS041003
Page 31 and 32: Loral Systems, San Jose, CA Tier II
Page 33 and 34: System Overview Wide-band data tran
Page 35 and 36: Carbon wing, tail and engine nacell
Page 37 and 38: Design Performance NPS041003 37
Page 39 and 40: Wing Lift Coefficient 1.40 1.20 1.0
Page 41 and 42: Design Implementation & Design Spec
Page 43 and 44: Navigation & Guidance Schematic NPS
Page 45 and 46: Maintainability / Accessibility Acc
Page 47 and 48: Integrated Sensor Suite NPS041003 4
Page 49 and 50: Daytime IR Imagery: March 26, 1999
Page 51 and 52: Global Hawk Airborne Integrated Com
Page 53 and 54: Air Vehicle-to-Ground Stations Inte
Page 55 and 56: All-Encompassing System Development
Page 57 and 58: . Pre-flight Checkout Remove before
Page 59 and 60: Mission Start WPt • INS alignment
Page 61 and 62:
Temperature ~ Degrees F 100 60 20 -
Page 63 and 64:
VN Diagram Global Hawk Vn Diagram L
Page 65 and 66:
Gust Exceedance (1000 Hrs) Gust Exc
Page 67 and 68:
An Example of a Flight Control HCI
Page 69 and 70:
The Air Vehicle Status HCI H367-024
Page 71 and 72:
Examples of Autonomous Operations N
Page 73 and 74:
Post-flight Checks NPS041003 73
Page 75 and 76:
Summary 1. UAVs will demonstrate lo
Page 77 and 78:
Typical Dual VMS Aircraft Loss Rate
Page 79 and 80:
Design Requirements NPS041003 79
Page 81 and 82:
Affordability UFP COTS Interchangea
Page 83 and 84:
Design Implementation & Design Spec
Page 85 and 86:
Electrical Power Schematic NPS04100
Page 87 and 88:
Vehicle Fuel System Schematic NPS04
Page 89 and 90:
Single Event Upsets >≅ 40 K Ft Co
Page 91 and 92:
AV2 -4 T urb ulence Even t.5 Altitu
Page 93 and 94:
Turbulence Event Conclusions � Fl
Page 95 and 96:
Typical Fault Logic, Lost Carrier N
Page 97 and 98:
Airspace Coordination Requirements
Page 99:
Civil Surveillance Requirements NPS
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A Study of a Reconnaissance Surveillance Vehicle

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