Project

# Title Team Members TA Documents Sponsor
83 Automatic Door Conversion Kits
 Alex Vega
Love Patel
Romeo Delgado
 Chi Zhang design_document1.pdf
final_paper1.pdf
other1.pdf
proposal1.pdf
**Team Members:**
- Romeo Delgado (rdelg2)
- Love Patel (lovep2)
- Alexander Vega (avega40)

**PROBLEM:**

With accessibility being considered more in modern infrastructure, more and more systems for accommodating people with physical disabilities are being installed every day. Most of these systems are installed in public locations and paid for by the government. However, installing similar accessibility systems in one's home for those with movement limitations is much more costly and difficult, even for such common accessibility obstacles such as doors. Cheaper and easier to install automatic doors meant for residential homes would alleviate this cost barrier and difficulty of installation for those with movement limitations that struggle to use standard, manual doors.

**SOLUTION:**

Our solution for the high barrier to entry for making one's home accessible is to make more cost effective and quicker to install automatic door conversion kits for residential homes. These kits would include a Bluetooth door opener, door handle, and remote. The Bluetooth door opener would attached to door you're converting and its frame, allowing it to be remotely closed/opened with the Bluetooth remote. To allow the door to close/open remotely, it's latch would also be replaced by a Bluetooth actuator that would close/open in sync with with the door opener to allow it to swing freely.

**SOLUTION SUBSYSTEMS:**

1. **Power Subsystem:**

- A lithium coin battery slot for the Bluetooth remote, allowing for batteries to be replaced.
- Converts standard outlet power to the motor and the PCB.
- A set of 4 AA batteries to power the door latch actuator.

2. **Processor Subsystem:**

- An ESP32 microprocessor for sending/receiving Bluetooth signals between the handle motor, the PCB, and the remote.
- Internal A/D conversion and signal processing.

3. **Door Close/Open Subsystem:**

- A 25 W to 30 W motor capable of producing 30 Nm of torque, allowing the closing/opening residential doors through jointed arm on a guided rail system.

4. **Door Latch Actuator Subsystem:**

- A 6 V DC solenoid actuator connected to a Bluetooth receiver and a PCB that opens in sync with the door being opened to allow it to swing freely.
- This system will be housed inside a custom 3D printed door handle

5.**Remote Control Subsystem:**

- A handheld Bluetooth remote with 3 buttons and a 8 segment hex display showing which door is currently being targeted for closing/opening.

**CRITERION FOR SUCCESS:**
- A minimum of two operational kits able to convert 80 inch tall, 36 inch wide, and 55 pound residential doors into automatic doors.
- A Bluetooth remote is able to switch between which door is targeting to close/open while displaying the set number of the currently targeted door and whether it is open or not.
- Each kit is cheaper and easier to install than commercially available kits with similar features.

Economic Overnight Outlet

Chester Hall, Sabrina Moheydeen, Jarad Prill

Featured Project

**Team**

- Chester Hall (chall28), Sabrina Moheydeen (sabrina7), Jarad Prill (jaradjp2)

**Title**

- Economic Overnight Outlet

**Problem**

- Real-time pricing in ISOs, such as the Midwest, California, New England, and New York, provides differentials in electricity prices throughout the day that can be taken advantage of. The peak price of electricity compared to the minimum prices can feature variations of up to 70%. With price agnostic charging, this results in unnecessary costs for those who charge devices (see attached spreadsheet). This same principle can thus be scaled for large commercialized applications requiring high-capacity batteries, resulting in a higher savings potential to be taken advantage of.

- Calcs: https://docs.google.com/spreadsheets/d/1JBzt2xm0Ue4a_teosdak623h0zSP5nHRKi7Wi8rMcPo/edit?usp=sharing

**Solution Overview**

- We will create a device that can fetch real-time prices from regional ISOs and enable charging when prices are lowest. Our primary application will be centered towards warehouse electric vehicles using high-capacity, fast-charging lithium ion batteries. Such vehicles include forklifts, cleaning machines, and golf carts.

**Solution Components**

- [ISO LMP API] - Through use of a WiFi-enabled microcontroller we can fetch real-time prices and build our control system around these values.

- [Passive High Performance Protection] - In order to provide downstream safety to the loads, we will ensure the device features surge protection and is rated for the high current of fast charging. The switching of the connection will be done with a contactor whose coil is energized according to the microcontroller.

- [Device Display] - LCD display to show information about the current energy price and the current day’s savings.

- [Manual User Override] - The device will feature a manual toggle switch to either enable or disable the cost-optimized charging feature allowing users to charge loads at any time, not necessarily the cheapest.

- [User Interface] - Software application to allow for user input regarding the time of day the device must be charged by. The application will also display information about total savings per week, month, or year and savings over the device’s lifetime.

- [Control Power Converter] - In order to run the low voltage control systems from the outlet, either 120VAC or 3-phase 480VAC, we will need to step this down to a low DC voltage of around 3.3VDC.

- [Memory System] - Microcontroller capable of performing control function within user specified parameters.

- [Device Connection] - Connectivity to the battery of the device being charged so that current state of charge (SoC) information can be used. Potential experimental filter algorithms will be used in order to estimate the SoC automatically, without requiring the user to input the specific data of the device being used.

**Criterion for Success**

- Able to charge devices at lowest cost times of the day and display current pricing and savings information. The upfront cost of a large-scale reproducible product must be less than the lifetime savings incurred by purchasing the product. Users without an engineering background can easily analyze their savings to visually recognize the device’s benefit.