# Giorgi Suramlishvili

Personal engineering portfolio of Giorgi Suramlishvili, an A-Level student in Bristol, UK, specializing in robotics, embedded systems, PCB design, and home automation.

- **Primary Domain**: https://giorgi.uk/
- **Contact Email**: suramgiorgi10@gmail.com
- **Primary Skills**: KiCad PCB design, Fusion 360 CAD, C++, Python, LQR Control, Kalman Filter, ESP32-C6 microcontrollers, 3D printing (FDM), Home Automation (MQTT, Web Bluetooth, Firebase).
- **Academic Predicts**: predicted A* A* A* A predicted grades in A-Levels (Mathematics, Further Mathematics, Physics, Computer Science).

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## Projects Index

### 1. [Self-Balancing Desk Robot](https://giorgi.uk/projects/self-balancing-robot.html)
- **Status**: In Progress (WIP / A-Level Computer Science Project)
- **Timeline**: 2025 — Present
- **Description**: A two-wheel inverted pendulum desk companion designed to stay upright using LQR control and a Kalman filter for sensor fusion.
- **Hardware/MCU**: ESP32-C6 (or ESP32-S3), IMU, custom PCB, ultrasonic obstacle sensor, infrared cliff sensors, IR docking system for self-charging.
- **Key Algorithms**: Linear Quadratic Regulator (LQR) control, Kalman sensor fusion, state-space modelling.
- **Software Stack**: C++, Web Bluetooth, Firebase integration, offline voice command routing.

### 2. [Zaylo Remote Companion App](https://giorgi.uk/projects/zaylo-remote.html)
- **Status**: Shipped / Active
- **Timeline**: 2025
- **Description**: A custom-built multi-device companion application designed for smart home automation.
- **Architecture**: Mobile-first Progressive Web App (PWA) with real-time MQTT state-syncing, secure Firebase authentication, and Firestore.
- **Features**: Shared homes and family member invites, sunrise/sunset-triggered blind schedules, radar presence detection, and BLE credential provisioning for hardware rescue.

### 3. [Smart Blinds Controller](https://giorgi.uk/projects/blinds-control.html)
- **Status**: Finished / Deployed
- **Timeline**: 2025
- **Description**: A smart blind motorization mechanism powered by stepper motors pulling a physical cord loop.
- **Hardware/MCU**: ESP32-C6 wireless control, custom KiCad PCB designed to minimize wiring, 3D-printed chassis.
- **Control Interface**: Companion app automation & MQTT schedules.

### 4. [Smart Light Switch Control Device](https://giorgi.uk/projects/light-switch.html)
- **Status**: Finished / Deployed
- **Timeline**: 2023
- **Description**: Hardware attachment mounting over standard wall switches to actuate mechanical switch toggles using servo arms without altering primary high-voltage wiring.
- **Hardware/MCU**: ESP32, horizontal servo motor, OLED status display, presence detector, capacitive touch panel.
- **Integrations**: Web app controller, Google Home integration via MQTT.

### 5. [Inverted Pendulum & PID Control — Research Paper](https://giorgi.uk/projects/inverted-pendulum.html)
- **Status**: Complete (Physics research paper, 2026)
- **Type**: Written research paper with KaTeX-typeset mathematics and animated SVG diagrams; the theoretical companion to the Self-Balancing Desk Robot.
- **Description**: A first-principles derivation of PID and Linear Quadratic Regulator (LQR) control for a two-wheeled inverted-pendulum robot.
- **Topics**: PID control (proportional/integral/derivative terms, integral windup with clamping anti-windup, high-frequency noise and Kalman filtering), state-space modelling, deriving the A and B matrices from Newton's laws and the small-angle approximation, eigenvalue stability, controllability, full-state feedback (u = -KX), the LQR cost function with Q and R weighting, and the Continuous Algebraic Riccati Equation (CARE).
- **Worked Example**: Computes the A/B/Q/R matrices, optimal gains K = [-1.0, -2.0, 24.6, 3.07], and verifies closed-loop stability (eigenvalues -13.63, -6.07, -0.84 ± 0.50i).

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## Education & Qualifications

### Sixth Form, Bristol, UK (2024 — Present)
- **A-Levels predicted grades**:
  - Mathematics: **A***
  - Computer Science: **A***
  - Physics: **A***
  - Further Mathematics: **A**
- **GCSE Results** (Graduated 2024):
  - **Grade 9** (Top): Mathematics, Physics, Computer Science, Chemistry
  - **Grade 8**: Biology
  - **Grade 7**: Geography
  - **Grade 6**: English Language

### Academic Enrichment Programs
- **University of Cambridge HE+ Programme** (2025): Engineering focus, fluid dynamics workshops, and university lectures.
- **University of Bristol Access to Bristol (Physics)** (2025): Specialised lectures in quantum mechanics, semiconductors, and particle physics.
- **University of Bristol Particle Physics Masterclass** (2025): Explored Standard Model and analysed real CERN collision datasets.

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## Work Experience & Placements

### MBDA Systems (2025 · 1 Week)
- **Role**: Engineering Work Placement
- **Key Takeaways**: Analyzed missile electronics components, practiced aerospace-grade design documentation guidelines, pitched future defense systems to executives.

### University of Bristol Mathematics Department (2023 · 1 Week)
- **Role**: Research Work Placement
- **Key Takeaways**: Developed mathematical scripts in Python, learned scientific formatting using LaTeX, and organized research directories.