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Watch Your Back!

Watch Your Back!. Team BAKE Bryan Schoen Ashish Bablani Kelby Penney Evan Schurr. Overview of Presentation. 1. Project Description. 2. Project Design. 3. Proposed Additional Features. 4. Timeline / Labor Distribution. 5. Cost / Risk. Introduction and Purpose.

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Watch Your Back!

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  1. Watch Your Back! Team BAKE Bryan Schoen Ashish Bablani Kelby Penney Evan Schurr

  2. Overview of Presentation 1. Project Description 2. Project Design 3. Proposed Additional Features 4. Timeline / Labor Distribution 5. Cost / Risk

  3. Introduction and Purpose • Watch Your Back! is a wirelessly controlled amphibious vehicle armed with a camera with abilities to perform a wide variety of human tasks • Ability to transport items from one room to another • Can be used to enter hazardous situations, analyze the situation and risks, and perform necessary actions • Eliminates threats to human lives in a battlefield when equipped with a gun • Home/Business Security • Recreational

  4. Objectives • Eliminate threats to human life • Will equip the amphibious vehicle with a paintball gun and camera • Will be able to control from a remote location • Have ability to maneuver and fire from remote location • View all data and react in real time

  5. Description • Wireless amphibious vehicle equipped with a camera and paintball gun • Sensors may include: motion, video, audio and light • Vehicle can be controlled by 802.11B communication • The data will be transferred back wirelessly to a computer with a controller (keyboard or PS2 controller) • Data can be viewed and controlled in real time by a user interface

  6. Mechanical Aspects • Pre-assembled Metal Mobile Platform • Two 8 Inch Wheels • Two 2 Inch Stabilizing Wheels • Vertical motion Gear

  7. DC Motors/Gun Trigger • Two 9FGHD Ferrite Series ServoDisc Motors • 0.9 Deg/Step Stepper Motor • Push Type Tubular Solenoid

  8. PWM Controlled Motor Drives • Two DC/DC Converters with PWM Input • Input Voltage 12V • Output Voltage 0-15 V • Inverter Switch for Reverse Control

  9. M68HC11K1Microcontroller • 4 MHz Clock • 16-bit addressing • 84-pin PLCC Package • Four 8-bit pulse-width modulation (PWM) outputs • Enhanced asynchronous serial communications interface (SCI) • Dual-function I/O lines — Any pins used for the microcontroller’s peripheral functions can be configured as general-purpose I/O lines M68HC11K 84-Pin PLCCC

  10. Memory • RAM • 64 Mb SDRAM • ROM • 64 Mb • 44 Pin - CPLD • Used to store data

  11. Wireless, Camera & Controller • 802.11g wireless control • VGA (640x480) quality wireless camera with integrated audio • Sony Playstation controller for horizontal/vertical movement and trigger controls

  12. Mandatory/Extra Features Mandatory Features • 360 degree horizontal movement • Vertical movement of gun • Trigger control • Integrated wireless control & video Extra Features • Valentine’s Day Massacre (VDM) button • Audio output • Various sensors (wall, drop-off, etc.)

  13. Possible Problems & Risks • TIMING! • Recoil of gun & stability • Weight/friction & current limiting the DC motors • Smooth rotational movement of the motors • Exceeding the motor specifications

  14. Hardware Implementation Wireless Web-Cam 44 pin CPLD Control signal Motorola 68HC11K1 Micro-Processor Serial RS-232 Paintball gun - trigger Wireless transmission Driver for trigger Rom DC Motor Drivers Ram 1 Stepper Motor Computer 2 DC Servo Disc Motors

  15. Estimated Costs

  16. Work Distribution Brian Ashish Kelby / Evan • Documentation • Documentation • Documentation • Setting up the web cam • Programming the HC11K1 to control the DC motor drivers • Designing and implementing DC/DC motor drivers • Programming the HC11K1 to control the DC motor drivers • Designing and implementing stepper motor drivers • Designing and implementing trigger driver for paintball gun • Designing and implementing trigger driver for paintball gun • Designing a gear system for the stepper motor

  17. Gantt Chart

  18. References • "Freescale Semiconductor." M68HC11K Family Technical Data HCMOS M68HC11K Family. 2001. Motorola, Inc.. 12 Sep 2006 <http://www.freescale.com/files/microcontrollers/doc/data_sheet/M68HC11K.pdf>.

  19. Questions? / Comments ?

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