11/30/2022

 

Weekly Updates

Member

Main Project

Update

Action Items

Member

Main Project

Update

Action Items

@Ari Wasch

BMS

  • Start working on some documentation

 

David Choi

RS422 / Comms

Any update on the DD Current Sense part selection?

  • Did reading on 7 seg – comparators

    • Couldn't find a good example online

  • Did some comms readings

 

@Farris Matar

PDB/BMS

  • Work session this weekend in the bay to assemble and potentially test the SPI Peripheral boards

@Joshua Harper

E-Box

 

 

@Logan Hartford

Multiphase Buck Converter

  • Ordered

    • 3V3 bucks for the BMS

    • 5 computer power cords

    • 2 scaples with blades

  • Worked with @Wolfgang Windholtz (Deactivated) and tested the PDB

    • 5V has been fully tested and works, though it is very noisey

  • Work Session Stuff:

    • Fully test PDB

    • Assemble and test more RS422’s

  • Meet with Olivia, David and Yuchen and discuss DD current sense project

    • Should start meeting weekly on this and make some progress

  • Will do 17V basic testing on Friday, then @Wolfgang Windholtz (Deactivated) and @Farris Matar can help with the more advanced stuff on Saturday

  • Grab SPI boards

  • Verify 17V load sw with N-CH

Muhammad Tanveer

Comms

Any update on comms? Any update on the BMS back up?

 

@Olivia Markham (Deactivated)

BMS / DD Current Sense

Any update on the DD Current Sense part selection?

  • focusing on finishing school work and studying for exams for now

@Rishith Bomman

PDB

Any updates?

  •  

 

@Wolfgang Windholtz (Deactivated)

Science / Support

5V testing

  • Probed pdb on 5V line

    • 12V pk-pk ripple on sw node

    • ripple coupled to 48V and gnd power plane

    • input ripple of 12v pk-pk

  • Added snubber to gate of fet

    • added a bit out output capacitance

    • added a bit of input capacitance

    • helped a bit

  • odrive support

  • PDB testing/support

@Yuchen Lin

Comms

Any update on comms?

  • identify the end of term goal

  • setting up site to site communication under vpn

  • bench testing and vertifying the point to point communication

  • A little bit busy on school work.

  • Please update the comms ticket with developments in the progress updates section, should only take 10 min Comms

  • Finish setting up site to site communication

  • verify the test

  • update the document

  • will be holding a meeting for comms next term.

Announcements:

  • Work Session This Saturday 9 am-?? – @Logan Hartford has to leave at like 2 pm

  • Is anyone interested in helping or fully leading the electrical team next term? Role descriptions here: Electrical Lead Role Description

  • We will have one more remote meeting next Wednesday and then that will be it for the rest of the term.

    • We may do a sync-up meeting over the Christmas break but meetings will not likely resume until the new year.

Active Projects:

Project

Currently Assigned To

Ticket

Due Date

Comments

Priority Level

Project

Currently Assigned To

Ticket

Due Date

Comments

Priority Level

PDB

@Rishith Bomman /

@Farris Matar / Rayaan

PDB Rev4 - Design and Assemble the PDB

Dec 19, 2022

  • Two PDBs have been assembled, one of them is prettier than the other

  • Basic non-performacne and non-firmware tests have been done

  • Looking like another revision may be necessary, we determine for sure after tests are fully complete

HIGH

Multiphase Buck

@Paul Kokhanov / @Logan Hartford

Multiphase Buck Converter Rev 2 - Design and Assemble the Buck Converter

DISCONTINUED

  • Tested over reading week, something is wrong, haven’t determined the root cause of the issue

  • An off the shelf back up has been sourced

HIGH

BMS

@Joshua Harper / @Ari Wasch / Olivia

BMS - Design and Assemble the BMS

Apr 19, 2023

  • One BMS has been assembled

  • Basic non-performacne and non-firmware tests have been done

  • An off the shelf replacement is being sourced

HIGH

Comms

@Yuchen Lin / @Logan Hartford

Comms

Oct 31, 2022

  • New edge routers have been purchased and configured

  • We are able to send data

  • Looking to do a range test

HIGH

Science

 

Science - Assemble & Test

Apr 19, 2023

  • Need one or two people to own the assembly and testing of the science boards and work with @Ivan Lim and @Wolfgang Windholtz (Deactivated) to ensure the board is ready for competition.

  • Found two assembled boards but none of the parts if @Ivan Lim / @Wolfgang Windholtz (Deactivated) have any ideas please let me know. Otherwise we’ll just order more parts.

  • @Ivan Lim / @Wolfgang Windholtz (Deactivated) Both of the assembled boards are missing a lot of parts, do the boards have a bunch of population options?

MEDIUM

SPI LVDS

@Farris Matar

SPI LVDS - Assemble and Test

Apr 19, 2023

  • Need one or two people to own the assembly and testing of the SPI LVDS boards.

  • There are assembled host boards in the bay

  • Parts and boards have been ordered for the peripheral boards

MEDIUM

RS422

David Choi / @Farris Matar

RS422 - Assemble and Test

Apr 19, 2023

  • @Farris Matar verified the design and was able to send data using the boards

  • 3 Boards have been assembled and tested

  • There are parts and boards for 5 more in the bay

MEDIUM

LED Matrix

 

LED Matrix 2022/23

Apr 19, 2023

  • LED matrix has been located

  • Should work, just needs power and a PWM signal

MEDIUM

Digital Display Current Sense Board

@Olivia Markham (Deactivated) / David Choi / @Yuchen Lin

Current Sense Display

Apr 19, 2023

  • Currently in the part selection phase of the project

LOW