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Robotics & Control

Bio-inspired locomotion, force sensing, UAV platforms, and embedded control systems.

Projects spanning quadruped control, rehabilitation sensing, multirotor dynamics, solar UAVs, autopilot hardware, IMU products, engine sensing, and protocol switching.

Bio-inspired quadruped controller diagram

DowranSET | Robotics | 2017-2023

Bio-inspired Controller for Quadruped Robots

Locomotion control architecture inspired by biological central pattern generators.

  • CPG
  • Hopf Oscillators
  • ILC + PD
  • Legged Robots

Technical Highlights

  • Designed CPG networks using nonlinear Hopf oscillators.
  • Developed independent swing and stance phase control.
  • Combined ILC and PD control to improve tracking accuracy.

Enabled flexible multi-gait locomotion with one controller network and reduced trajectory tracking error to below 0.1 rad.

Human foot force measurement system

DowranSET | Robotics & rehabilitation | 2017-2023

Force Measurement System on the Human Foot

Bio-inspired robotics and rehabilitation measurement system for analyzing human foot force patterns.

  • Rehabilitation
  • Wi-Fi
  • MATLAB
  • Force Sensing

Technical Highlights

  • Designed the electrical and embedded system architecture.
  • Implemented Wi-Fi communication for wireless force data transfer.
  • Imported measurement data into MATLAB for analysis.

Enabled accurate monitoring of human foot force distribution and supported rehabilitation-focused robotics research.

Y6 multirotor platform

SYNTECH | Drone projects | 2014-2017

Y6 Multirotor

Y-shape multirotor dynamics, fuzzy PD control, and HIL validation.

  • Y6
  • Fuzzy PID
  • HIL
  • Autopilot

Technical Highlights

  • Modelled the equations of motion for the Y-shaped multirotor configuration.
  • Designed a fuzzy PD controller for position and attitude control.
  • Implemented and tested the controller in an HIL environment.

Validated the fuzzy PD controller in HIL and supported customer approval of the autopilot.

Solar UAV aircraft

SYNTECH | Solar UAV | 2014-2017

Solar UAV

Long-endurance UAV with solar power source and HIL-tuned autopilot.

  • Solar UAV
  • HIL Tuning
  • Autopilot
  • Competition

Technical Highlights

  • Simulated the UAV dynamic system for control development.
  • Designed and tuned controller parameters in HIL.
  • Optimized controller performance using intelligent methods.

Achieved 2nd place in a national Hobby UAV competition and supported long-endurance forestry application readiness.

Autopilot PCB render Autopilot hardware test setup

SYNTECH | UAV autopilot | 2014-2017

Multirotor & UAV Autopilot

Embedded autopilot platform with IMU calibration, sensor fusion, CAN modules, and energy optimization.

  • Autopilot
  • CAN
  • IMU
  • Sensor Fusion

Technical Highlights

  • Calibrated IMU sensors using curve fitting methods.
  • Programmed Kalman filter-based sensor fusion algorithms.
  • Integrated peripheral modules through CAN-BUS communication.

Improved autopilot sensing reliability and enabled modular CAN-BUS architecture with portable wireless monitoring.

Commercial inertial measurement unit

SYNTECH | IMU product | 2014-2017

Inertial Measurement System

Commercial IMU product with calibration UI and low-power embedded design.

  • IMU
  • Calibration
  • MATLAB
  • Low Power

Technical Highlights

  • Designed the user interface for IMU setting and calibration.
  • Calibrated IMU sensors using MATLAB-based curve fitting.
  • Performed calibration and validation through HIL testing.

Delivered a commercial IMU solution with easier configuration and very low power consumption.

UAV engine sensing PCB UAV engine measurement system

SYNTECH | UAV engine sensing | 2014-2017

UAV Engine Parameters Measurement System

Embedded measurement system for engine exhaust gases and fuel-gauge sensing.

  • Engine Sensing
  • PCB
  • Fuel Gauge
  • Exhaust Gases

Technical Highlights

  • Designed schematic and PCB for the measurement system.
  • Built exhaust gas measurement capability.
  • Developed a precise fuel gauge using a new electromagnetic method.

Enabled reliable UAV engine parameter monitoring and improved fuel measurement precision.

Serial protocol switcher device Serial protocol switcher PCB render

SYNTECH | Hobby/industrial communication | 2014-2017

Serial Protocol Switcher System

Two-way serial protocol switching system for combining multiple serial ports.

  • Serial Ports
  • Two-way Comm
  • PCB
  • Hobby Market

Technical Highlights

  • Researched challenges in using multiple serial protocols.
  • Designed schematic and PCB for the switching system.
  • Implemented complete two-way communication between connected devices.

Delivered a practical multi-protocol serial communication solution for flexible port combination and bidirectional data exchange.