Hubert Pan's Notebook

Spring 2026

Week 1 (1/12 - 1/18)

• Completed the Welcome Quiz and decided to join the Device Modeling subteam
• Started researching power grid components

Week 2 (1/19 - 1/25)

• Joined the cps-vip Github
• Attended the in-person class and discovered there were only two members in Device Modeling (me and Nicholas)
• Decided to stay in the Device Modeling subteam and began browsing the GitHub repository

Week 3 (1/26 - 2/1)

• Held weekly subteam meeting with Nicholas and decided on possible future meeting times
• Most of the work this week was dedicated to defining tasks for the Kickoff Presentation
• Downloaded WSL2and Ubuntu so I can access Linux on my Windows laptop

Week 4 (2/2 - 2/8)

• Weekly subteam meeting to discuss the procedure for merging the branches in this repo
• Started working on setting up Nix through Ubuntu by following the README
• Step 1: run $ sh <(curl -s -L https://nixos.org/nix/install) --daemon in the terminal

• Step 2: clone this repo by running git clone https://github.com/cps-vip/cps-cosimulation-env.git

• Step 3: Then, run sudo nano /etc/nix/nix.conf' to open Nano editing window and then type experimental-features = nix-command flakes`. Ctrl + O to save and then Ctrl + X to exit.

• Step 4: Run nix develop in the same folder the README.nd and flake.nix files are in

• Step 5: Run git submodule update --init --recursive to initialize and update the git submodules gridlab-d and HELICS
• Step 6: Run nix develop and make all-install

Week 5 (2/9 - 2/15)

Followed Install Docker Engine on Ubuntu and How to Install Docker on Ubuntu Linux to download Docker on my virtual Linux machine (Ubuntu)

• $ sudo apt update
• $ sudo apt install ca-certificates curl
• $ ls -la /etc/apt/keyrings/
• $ sudo install -m 0755 -d /etc/apt/keyrings
• $ sudo curl -fsSL https://download.docker.com/linux/ubuntu/gpg -o /etc/apt/keyrings/docker.asc
• $ sudo chmod a+r /etc/apt/keyrings/docker.asc
• $ sudo tee /etc/apt/sources.list.d/docker.sources <<EOF
• Types: deb
• URIs: https://download.docker.com/linux/ubuntu
• Suites: $(. /etc/os-release && echo "${UBUNTU_CODENAME:-$VERSION_CODENAME}")
• Components: stable
• Signed-By: /etc/apt/keyrings/docker.asc
• EOF
• $ sudo apt install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin
• $ sudo docker run hello-world

Week 6 (2/16 - 2/22)

Nick helped me set up Git on Ubuntu and add an SSH key

• sudo apt update
• sudo apt install git -y
• git config --global user.name "username"
• git config --global user.email "email@email.com"
• ssh-keygen -t ed25519 -C "email@email.com"
• eval "$(ssh-agent -s)"
• ssh-add ~/.ssh/id_ed25519
• cat ~/.ssh/id_ed25519.pub
• ssh -T git@github.com
• code .

Furthered my interest in the PCB design process that the ROS-HELICS team was doing so I downloaded KiCad. Found this component (Buck Switching Regulator IC Positive Adjustable 0.6V 1 Output 5A) for power management.

Week 7 (2/23 - 3/1)

• Mainly worked on finalizing the midterm presentation this week
• In order to merge the branches, we first went through the commit history in the "piperr" and "Device_modeling_subteam01" branches and found that they split off after October 31, 2025

* Because these two are the most similar and relevant branches, we will focus on merging them first

Week 8 (3/2 - 3/8)

• We found that the "Networking_team" branch split off after January 30, 2025 so merging this branch with the other two will be more challenging.

• In order to merge these branches, I began familiarizing myself with Git Push and Pull commands through this tutorial

Week 9 (3/9 - 3/15)

• Met with Nick and went through the process of creating the new branch (device_modeling_team)
• Followed these steps to build the Docker image and run the Docker container

• Running ./setup.sh errored

Week 10 (3/16 - 3/22)

• Received the Raspberry Pi this week and attempted to complete the network setup
• A networking bug was discovered in the original Raspberry Pi image
• Followed Hayden's instructions to reimage the Raspberry Pi by downloading the new image and unzipping the new image file
• Inserted the Raspberry Pi's microSD card into my computer
• Downloaded balenaEtcher to write the new image onto the microSD card
• Attempted the network setup instructions again and ran into this error

Week 11 (3/23 - 3/29)

• Spring Break

Week 12 (3/30 - 4/5)

• Met with Nick and merged the piperr branch into our new device_modeling_team branch

• Troubleshooted the Raspberry Pi network issues in class, but still faced the same issues

Week 13 (4/6 - 4/12)

• Followed the same steps in Week 9, ./setup.sh reached 48% and then started sending fatal error messages

• Followed instructions in the # helpdesk channel in the discord
• Run using Admin Powershell on Windows

netsh advfirewall firewall add rule name="ICMP Allow" protocol=icmpv4:8,any dir=in action=allow

Restart-Service SharedAccess

Set-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" -Name "IPEnableRouter" -Value 1

• The first picture shows running the commands without running as Administrator, but the commands work when running as administrator

Week 14 (4/13 - 4/19)

• Focused on getting the Raspberry Pi Network Setup working
• Sam worked through it and got it to work using some combination of the commands, disabling sharing, unplugging the pi, plugging pi back in, enabling sharing again

Week 15 (4/20 - 4-26)

• Completed and presented Final Presentation
• Successfully cloned the cps-cosimulation-env repo in to the Raspberry Pi

Steps to get Network Setup working for Raspberry Pi (For Windows OS)

• First, follow the network setup instructions and execute the Powershell commands in Administrator Powershell
• Then, try testing (which probably won't work), then disable sharing for wifi and follow network setup instructions and execute the Powershell commands again
• Try testing it (which probably won't work again), then turn on sharing for wifi and follow the network setup instructions and execute Powershell commands
• Try testing it and hopefully it will work now