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CARS

This will cause the car to change directions and avoid being stuck in ... Le-Inputs (excluding audio features) Mike Charogoff Audio Input/Output. Blair Harness ...

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CARS

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    Slide 1:CARSCellular Automotive Remote System Abhishek Jain Mike Charogoff Matt Lasek Nguyen Le Blair Harness

    Slide 2:Objective Effectively work in a group to produce a working prototype of a cellular automotive remote system. At expo the demonstration system will send and receive information via a cellular phone.

    Slide 3:Functionality Resembles OnStar More universal, many more and different convenience features. Through CARS the user can control: Starter Security system Heat and cooling system

    Slide 4:Functionality CARS obtains and sends information about: Temperature Theft Vehicle location Accidents

    Slide 5:Optional Features User obtains information via voice messages Control movement of vehicle (prototype) Gives information of vehicle distance from user Information received from car on a terminal PC or microcontroller

    Slide 6:C.A.R.S.- System Overview

    Slide 7:Functionality OverviewVehicle-based system

    Slide 8:Functionality Overview“Home”-based system

    Slide 9:Preliminary Board Layout

    Slide 10:Preliminary Board Layout(And Mechanical Design of OPTIONAL Mobile Platform)

    Slide 11:Tone Reception and Decoding

    Slide 13:Solenoid Control Principle of Operation: A digital signal is used to control the driver circuit. Driver circuit consists of discrete components or an IC. Current spikes and other large, inductive load concerns must be analyzed. Solenoid only needs to be energized for a fraction of a second in order to push the appropriate button. Overall power use should be relatively small.

    Slide 14:Digital Inputs

    Slide 15:Analog Inputs

    Slide 16:Digital Outputs

    Slide 17:Division of Labor Abhishek Jain-Digital Outputs Matt Lasek/Nguyen Le-Inputs (excluding audio features) Mike Charogoff –Audio Input/Output Blair Harness-Programming, Micro-controller

    Slide 18:Risks and Contingency Plans Areas of risk: Microprocessor Learning hardware/software use of micro controller Shouldn’t be an issue, several group members are familiar with technology Button pusher Ability to push (and possibly hold for speed dial) buttons Number of buttons we will need to push Plan on using solenoids for pushing buttons Multiple fixed solenoids vs single solenoid on servo drive Audio quality needed for tone recognition Shouldn’t be a problem Add filters/amplification if needed

    Slide 19:Risks and Contingency Plans Areas of risk: Voice reply (optional) Strings of digits sent back – requires ‘base station’ module If possible, add voice reply Time vs quality considerations Number of messages needed Storage requirements Accident alert thresholds Should not report accident under hi-performance vehicle acceleration Will need thresholds Might have to setup differently for different cars

    Slide 20:Schedule

    Slide 21:Summary CARS convenience features include: Remote start/idle system Heat/Cool the interior of your car Lock/Unlock your car doors Anti-Theft System Accident Alarm System Temperature Sensor GPS

    Slide 22:Questions?

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