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Preliminary Design Review (PDR)

Preliminary Design Review (PDR). 8:00 AM – 10:30 AM Saturday, 3 Mar 2007 Donald Kim Lab, POST 214 Team Raiton Denki No Jutsu Project Micromouse. Team Raiton Denki No Jutsu Introductions （チーム雷遁電気の術の紹介）. Hardware Brandon Inouye Chester Lim Software Jennifer Liem Roxanne Yee.

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Preliminary Design Review (PDR)

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  1. Preliminary Design Review (PDR) 8:00 AM – 10:30 AM Saturday, 3 Mar 2007 Donald Kim Lab, POST 214 Team Raiton Denki No Jutsu Project Micromouse

  2. Team Raiton Denki No Jutsu Introductions （チーム雷遁電気の術の紹介） • Hardware • Brandon Inouye • Chester Lim • Software • Jennifer Liem • Roxanne Yee

  3. Really Brief Project Overview • Micromouse = Build an autonomous robot that is capable of finding the center of a maze of a certain dimension in the shortest possible time Example MouseExample Maze

  4. Project Block Diagram Interaction Relation

  5. Detailed Description of Sensor Layout Sub-module • Phase 1: Sensor Proximity Test Circuit and Program • Goals • To find the sensing radius of a sensor • To see if two sensors in proximity of each other interfere with each other • If so, find a proximity range in which they don’t interfere • Inadvertent Experience • Better understanding of Rabbit microprocessor, Circuitry, and Programming relations • Experience in sensor circuit design and problems • Experience using sensor input in programming

  6. Detailed Description of Sensor Layout Sub-module • Phase 1: Sensor Proximity Test Circuit and Program • Test Circuits • Two Sensors in Proximity • Single Sensors in Testing Radius

  7. Phase 1: Sensor Proximity Test Circuit and Program Test Code Two Sensors in Proximity Single Sensors in Testing Radius #define SEN0 BitRdPortI(PADR, 0) #define SEN1 BitRdPortI(PADR, 1) main(){ int n; WrPortI(SPCR, &SPCRShadow, 0x80); while(1){ if((SEN0)&&(SEN1)) printf("BOTH\n"); else{if(SEN0) printf("000000000000000000000000\n"); else{if(SEN1) printf("1\n"); else printf("\n"); } } for(n = 0;n<5000;n++); } } Detailed Description of Sensor Layout Sub-module

  8. Detailed Description of Sensor Layout Sub-module Brandon’s Design • Phase 2: Actual Sensor Layout • Already have a general layout • Need to have a more precise one with dimensions and measurements needed to interact correctly with programming (mainly for tracking code)

  9. Current Problems with Sensor Layout Sub-module • Rabbit microprocessor is not responding to computer used to test the sensing code on • Choosing resistors that won’t cause the circuit to over heat • Still trying to build test sensor circuit • A little behind schedule • Soln: So that the whole project is not held back… • Hardware team is starting to build chassis • Software team is working on the sensor test circuit to at least get the Rabbit to reply • Does anyone here know what might be wrong?

  10. More Detailed Gantt Chart All previous work until this time was about planning and design. However, the greatest potential problem later will be if there NEEDS to be a change in design.

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