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Design Considerations for Two-Wheel Vehicles: Power, Layout, and PCB Overview

This document delves into the intricate design considerations for two-wheel vehicles, focusing on power and layout strategy for multiple PCBs. It discusses the advantages and disadvantages of using three separate PCBs for left and right motor control, detailing power considerations including unregulated 24V and regulated 12V supplies. The physical layout of the microprocessor PCB is also analyzed, covering the integration of sensors and optical isolators. Overall, this overview serves as a comprehensive guide for engineers and designers in optimizing two-wheel vehicle designs.

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Design Considerations for Two-Wheel Vehicles: Power, Layout, and PCB Overview

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  1. Team 12 The Two Wheel Deal SS 4000 Greg Eakins Eric Geier Pete Dudash Jeremy Gries

  2. Design Considerations • Power Considerations • Physical Layout • Microprocessor PCB

  3. Circuit Overview Power Consideration • 3 PCBs Advantages • Separate switching circuit from sensitive digital signals Left Motor Controller PCB uC PCB Right Motor Controller PCB

  4. Circuit Overview Power Consideration Unregulated 24V Supply 12V Regulator on PCB 12V Regulator on PCB Left Motor Controller PCB uC PCB Right Motor Controller PCB 24 V 12 V 5V Reg. on PCB • 3 PCBs Disadvantages • More power supply connections • More parts – Regulators, Connectors

  5. Motor Controller Physical Layout • Overview

  6. Motor Controller Physical Layout • Power Connector Power Connector

  7. Motor Controller Physical Layout • Linear Regulator Power Connector Linear Regulator

  8. Motor Controller Physical Layout • Motor Driver Power Connector Linear Regulator Motor Driver

  9. Motor Controller Physical Layout • Switching Transistors FET’s Power Connector Linear Regulator Motor Driver FET’s FET’s FET’s

  10. Microprocessor PCB Physical Layout • Overview

  11. Microprocessor PCB Physical Layout • Microprocessor uC

  12. Microprocessor PCB Physical Layout • LCD Header uC LCD Header

  13. Microprocessor PCB Physical Layout • Input Sensors Accel Gyro uC LCD Header

  14. Microprocessor PCB Physical Layout • PLD Motor Driver Interface Accel Gyro uC PLD LCD Header

  15. Microprocessor PCB Physical Layout • Optical Isolators and Motor Connectors Accel Gyro uC Motor Connector PLD LCD Header Optical Isolator Motor Connector

  16. Microprocessor PCB Physical Layout • Input Header Input Header Accel Gyro uC Motor Connector PLD LCD Header Optical Isolator Motor Connector

  17. Microprocessor PCB Physical Layout • External Oscillator Input Header Accel Gyro uC Motor Connector PLD Ext Osc LCD Header Optical Isolator Motor Connector

  18. Questions?

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