Hardware Project Specs Fall 2018

Owned by Pei Liang Guo
Last updated: Dec 21, 2018 by Karl Ding

Design Projects

ProjectTasksEstimated DurationPriorityLeads
Pedal Board
  • Use CAN to communicate with the main system
  • Consider using a potentiometer instead of the existing magnetic sensor
  • Finish the board design
  • Talk with the mechanical team able any board dimension change

HW-82 - Getting issue details... STATUS

2 MonthsHigh

Kelly, Jenny, Justin


Steering Stalk
  • Use CAN to communicate with the main system Transmit analog signal over long wires
  • Finish the board design
  • Make sure the new steering stalk has sufficient mechanical clearance

HW-83 - Getting issue details... STATUS

2 MonthsHighKelly & Aashmika

Center Console

  • Use CAN to communicate with the main system
  • Resign the buttons for greater electromagnetic interference immunity
  • Finish the board design

HW-84 - Getting issue details... STATUS

2 MonthsHighKelly & Liam
Telemetry
  • Find a router and a LTE shield for Telemetry
2 MonthsMediumPei, Felix
BMS AFE
  • Redesign for higher discharge capability and more reliability

HW-75 - Getting issue details... STATUS

2 MonthsMedium

Taiping

Josh Justin

BMS Carrier
  • Implement a kill switch with greater electromagnetic interference immunity

HW-87 - Getting issue details... STATUS

2 MonthsMediumTaiping

BMS Current Sense

  • Higher accuracy by using a different ADC

HW-86 - Getting issue details... STATUS

2 MonthsMedium

Taiping &

Rishi

Controller Board
  • Consider using a different micro-controller Won't do
-LowKelly

Validation & Integration Projects

ProjectTasksEstimated DurationPriorityLeads
Motor Controller Interface
  • Investigate the communication issue with the motor controller

HW-60 - Getting issue details... STATUS

2 WeeksVery HighHanna

Solar Sense

  • Validation
  • Integration

HW-56 - Getting issue details... STATUS

1 MonthMediumPei Alicia Cindy

Power Distribution

  • Finish the board bring-up & soldering
  • Validation & Integration

HW-74 - Getting issue details... STATUS

2 WeeksHighKelly Justin
Driver Display
  • Validation & Integration

HW-15 - Getting issue details... STATUS

1 MonthMedium

Kelly

Jessica

Pre-Charge
  •  Validation & Integration

HW-73 - Getting issue details... STATUS

1 MonthMedium

Hanna

Josh

Laura

EV Charger
  • Validate the circuits on the bench
  • Integration

HW-71 - Getting issue details... STATUS

2 WeeksMediumHanna Justin

Timelines

Design Projects

Sep 22 - Project Assignment & Research

Sep 29 - Block Diagram & Component Selection & Firmware Integration Discussion

Dec 3 (Unplanned) - Prototyping

Oct 6 - Schematic & PCB Design

Oct 15-19 Midterm

Oct 27 - PCB Review & Order

Nov 3 - PCB Bring-Up & Firmware Support

Nov 17 - Validation

Validation & Integration

Sept 22 - Validation Begins

Sept 29 - Most of validation complete, begin to get an idea of if a new rev is required

Oct 6 - Fully complete validation, rework exisiting boards to prototype any new changes

Oct 20 - Begin schematic for revised hardware if needed

Nov 3 - Schematic review, begin layout

Nov 15 - Layout review

Nov 19 - Send PCBs to fab

Nov 26 - Receive PCBs, begin bring up and validation

System Leads

Powertrain - Hanna

  • Pre-charge
  • Motor Controller Interface
  • DC-DC
  • Charging

Battery - Taiping

  • BMS (Battery Management System)
  • Battery pack design

Solar - Pei

  • Cells, layout
  • MPPT
  • Solar Sensing

Interface - Kelly

  • Driver Display
  • Driver Controls
  • Lights

Telemetry - Pei

  • Telemetry
  • Sensors

Infrastructure - Kelly

  • Controller Board
  • Power distribution