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Maximizing Efficiency: Electronics Team's REXUS/CATS Project Overview

Stay up-to-date on REXUS/CATS principles, identify controller options, define power supply requirements, explore sensor choices, and plan next steps for an innovative project. Learn about various microcontroller, FPGA, and SBC options, power supply considerations, secondary sensors like temperature and pressure measurement. Define budget, choose components, address data processing needs, cascade downlinking/storing data, select detectors, and plan on/off periods during countdown. Answering Proposal Form questions is crucial for project success!

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Maximizing Efficiency: Electronics Team's REXUS/CATS Project Overview

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Presentation Transcript

  1. Electronics Team Presentation • Work to date; • Come up to speed on REXUS/CATS principles (!) • Identify controller options • Define Power Supply requirements (AFAP) • Identify Power Supply options • Consider secondary sensors • Consider next steps

  2. Controller Options • Microcontroller (PIC, Arduino) • Low cost, simple, low power • Limited Hardware configuration • FPGA • Flexible, truly parallel, low cost • Complex support circuitry, difficult packages • SBC (PC-104, Gumstix, IGEP) • Very powerful, hardware easy to interface • High cost, high power, complexity, “overheads”

  3. Power Supply • Broadly two PSU types needed • Low voltage for controller/signal conditioning • High voltage for CATS/detector • Low voltage “easy”; • COTS ICs with support components • Few £ (plus PWB costs?) • Linear vs Switch-mode • High voltage less “easy”; • COTS modules available for few £100s • Self build cheaper but “worse”

  4. Secondary Sensors • To give an “instant” return from the payload and support CATS • Preferably low “overhead” sensors, ie; • Temperature • Pressure • Inertial measurements • System Voltages • ???? • Probably directly interfaced to controller

  5. Next steps • Define poleCATS budget/funding model • Governs all component choices • Select controller type • Will require science input- data processing needs • Define data to be downlinked/stored • Select detector • Will define HV needs • Select secondary sensors • Consider on/off periods during countdown • Answer Proposal Form questions!!

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