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EE Detailed Design Review

EE Detailed Design Review. Kyle Backer Mike Thomas Matt DeCapua. Design Review Goals. Review Customer Needs & Specifications Calculate Power Requirements Describe In Detail the Power Distribution Throughout the Robot Determine External Sensors & Placement on Robot

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EE Detailed Design Review

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  1. EE Detailed Design Review Kyle Backer Mike Thomas Matt DeCapua

  2. Design Review Goals • Review Customer Needs & Specifications • Calculate Power Requirements • Describe In Detail the Power Distribution Throughout the Robot • Determine External Sensors & Placement on Robot • Update Risks & Concerns • Proposed Bill of Materials

  3. Customer Needs

  4. Customer Specifications

  5. Power Calculation

  6. General Power Diagram

  7. Power Distribution Circuit

  8. Battery Selection • In total Servos Can pull >40A • Robot needs to last 1-2 hours • 2x 7.4V 5000mAh Li-Poly Proposed • Waiting for test results from Team 1

  9. Selected Servos • RoBoard RS-1270 digital servo motor (x22) • Torque @7.4V: 35.0 kg-cm/486.0 oz-in • Voltage: 6 to 7.4V • Weight: 70g • Suggested voltage: 7.4V • Current draw max: 5A • Total average current: 6.6A • Expected walking current: 18A

  10. Selected Connectors Servo Power max 5A Battery and Wall Power >40A

  11. Proposed PCB

  12. Sensor Placement • 4 infrared sensors sensors for short range detection(Front, back, left, right) • 2 ultrasonic sensors for long range(Front-left,front-right) • 1 accelerometer/gyro board(Internal:chest) • 1 voice recognition module(Internal:chest)

  13. Wiring Diagram

  14. Updated Risks

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