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UAV’s: Scenarios

Explore the various scenarios and capabilities of UAVs, including the use of smart bombs for precision targeting and reconnaissance missions. Learn about the different sensors used, power sources, and cooperation between fleet members. Gain insights into deployment stages and endurance, as well as communication and computation requirements. Consider tradeoffs and metrics for evaluating UAV performance.

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UAV’s: Scenarios

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  1. UAV’s: Scenarios • Smart bombs • no need to return to base • Reconnaissance/surveillance • types of sensors used, mission specifics(e.g. round trip, refuel & return) • Power source • rechargeable battery (by propulsion) • standalone battery • running off the generator directly • Application • SAR - resolution, speed of aircraft, type of aircraft, number of aircraft • Cooperating fleet • homogeneous vs. heterogeneous

  2. Parachutes Drift Ascent Deployment Stage Scenario Endurance 3-7 min Ejection • Ejection: Air carrier charges battery, downloads software, then launches weapons group near targets at high speed. • Drift: Radar and acoustic sensors locate potential targets. • Ascent: Power boost propels the weapon upward to increase target seek time. • End Game: Individual targets are selected and IR sensor provides precision guidance. End Game

  3. How to get description of application? • System level description • block diagram level (UML) • dataflow (UML annotation) / control flow (UML maybe) • Data sets • sensory traces / activations • UAV specific • smart bomb - stage scenarios: • GPS / target detection • inflight avoiding obstacles • on target • final steering towards target - propulsion control • communication requirements • Power source • voltage, power rating • Weight/volume constraints

  4. Appropriate metrics • MIPS per watt • higher MPW=> can fly faster and survey larger areas • keep algorithm same • Task per watt (or joule over time) • peak power, current limitations • task completion time • communication power • Computation resources required • parts cost, system cost • weight • maximum clock rate, memory footprint, secondary storage • busses/wires count/weight

  5. Baseline? • Existing working system in field • extrapolated missile system from Northrop Grumman • Los Alamos - defining radar system on UAV • Lincoln Lab RASSP-SAR benchmark • Tradeoffs • Communication vs. computation:modular simulation environment for modeling communication vs. computation issues • Sensor power vs. computation or communication power(clean the noise with computation rather than re-sense)

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