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Uninhabited Air Vehicles Enabling Science for Military Systems (2000) / Chapter Skim
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8 Research on Vehicle Subsystems
Pages 92-96

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From page 92...
... vehicles · HSM (high-speed, maneuverable) vehicles · very low-cost vehicles The committee identified crosscutting research opportunities, that is, research that would benefit all of the vehicle types, as well as research opportunities especially important to specific vehicle types.
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From page 93...
... development, validation, and application of computational tools for major subsystem design, including unsteady, nonlinear, three-dimensional aerodynamics models; structural analysis and aeroelasticity models; aerodynamic modeling concepts for designing vehicle control systems; propulsion system models; and simulation models for assessing new control laws · validation of manufacturing process models for UAV components · clarification of the role of uncertainty in computational analysis · integration of models and simulations to provide "virtual mockups" for testing and evaluation of the total system Propulsion Technologies for Small Engines In the past, development costs have been a major factor in the development of UAV propulsion technology. The development of an all-new gas turbine for a tactical military aircraft can cost more than $1 billion, an inconceivable expense for a low-cost UAV development program.
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From page 94...
... Potential MEMS-based sensors include inertial sensors, aerodynamic sensors, structural sensors, and surveillance sensors. MEMS-based transducers may have many innovative uses, including the following: · structures that are responsive to load variations · aerodynamic flow control · situational awareness (e.g., collision avoidance and detection of biologi cal and chemical agents)
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From page 95...
... Air Force should include the applicable research opportunities in the longrange research program. High-Altitude, Long-Endurance UAVs HALE vehicles were analyzed as a focal point for technical advances for reconnaissance and surveillance aircraft a generation beyond current UAVs.
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From page 96...
... · structural design criteria for expendable, low-use systems · expanded suite of structural materials (including low-cost, commoditygrade materials) · modular designs for low-cost manufacture 1Some important research and development programs in composite materials and structures, such as NASA's High Speed Research Program, have recently been discontinued.
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Key Terms

  • vehicle types
  • mission management
  • computational modeling
  • management technologies
  • vehicle subsystems

  • key subsystem
  • committee identified
  • integrated sensing
  • structural design
  • uav development

  • crosscutting research
  • notional vehicle
  • identified crosscutting
  • propulsion technology
  • specific vehicle

  • following key
  • hsm vehicles
  • structural materials
  • opportunities especially
  • conventional aircraft

  • reduce cost
  • aerodynamics models
  • existing devices
  • analyzed subsystem
  • located onboard

  • hale uavs
  • real error
  • current uavs
  • distinguishes uavs
  • information processing


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