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Software Design Narrative: Autonomous Rescue Vehicle

Team 10 Julia Liston. Software Design Narrative: Autonomous Rescue Vehicle. Project Overview. Our team’s goal is to build a prototype of a robot that can: Use GPS to locate a lost person Autonomously navigate towards the person

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Software Design Narrative: Autonomous Rescue Vehicle

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  1. Team 10 Julia Liston Software Design Narrative:Autonomous Rescue Vehicle

  2. Project Overview • Our team’s goal is to build a prototype of a robot that can: • Use GPS to locate a lost person • Autonomously navigate towards the person • Lead him or her back to a safe location, which is the starting location of the robot

  3. Block Diagram 3 ADC’s for Sensors 1 ADC for battery monitor 1 ADC for IR UART for RF Module PWM for Motors UART for GPS

  4. ARV Software Design Considerations • Need to update PWM on the motors regularly • Periodically get the location of the robot and the rescue point • Read sensor data regularly to decide a path • Decided to go with polling method

  5. ARV Hierarchy Needs Work Completed Completed Needs Work Completed Completed

  6. ARV Flowchart Main Run Yes Toggle Run/Stop Start motor sequence Stop No Stop Yes Navigate No Yes Read Sensors No Yes Update PWM No No Yes Get Location Receive RF

  7. Transceiver Block Diagram Rescue-Point Transceiver +3.3 V Power Supply Module Microcontroller RF Transmitter Module (Xbee Pro) PWR _CTR 1 UART for RF Module GPS Module UART (9 bit) 1 UART for GPS

  8. Transceiver Software Design Considerations • Decided to go with polling method • Periodically check GPS and decode • If received new location, send to the RF module

  9. Transceiver Hierarchy Needs Work Completed Needs Work

  10. Transceiver Flowchart Main yes no yes no no yes

  11. Questions?

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