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Scaled Tiltwing VTOL UAV

Developed a scaled tilt-wing VTOL UAV prototype at the Near East University Robotics Laboratory, serving as a research platform for transition control mechanisms. The model represents a larger design for Search and Rescue (SAR) and delivery applications, emphasizing stable hover, transition control, and SITL for efficient iteration and PID optimization.

Scaled Tiltwing VTOL UAV

Technologies

ROS2PythonC++MATLABFEA

Contributions

  • Designed PID controllers for pitch and roll stabilization in hover mode
  • Validated UAV aerodynamics using XFLR5
  • Created SITL scenarios in MATLAB to test controllers
  • Performed PID tuning and telemetry analysis
  • Led mechanical design of tilt-wing chassis, including robust tilting mechanism and propeller integration for optimal actuator and sensor placement
  • Conducted structural analysis using FEA to ensure airframe integrity during transitions
  • Ensured modular design for easy 3D printing of parts and rapid prototyping
  • Optimized wing structure for VTOL lift and forward flight efficiency

Key Features

  • Adaptive PID control for multi-mode flight operations
  • SITL integration for safe and efficient testing
  • Tilt-wing configuration enabling seamless VTOL to horizontal flight transitions
  • Robust tilting mechanism for reliable wing rotation
  • Optimized propeller mounts and positioning for thrust maximization and drag minimization
  • FEA-validated airframe for structural integrity during transitions

Challenges & Solutions

  • Synchronizing wing tilt with attitude control during flight transitions
  • Accurately modeling tilt-wing dynamics for simulation
  • Designing a lightweight, sturdy airframe to house sensors, actuators, and tilt mechanisms
  • Validating control systems without risking physical hardware damage
  • Developing reliable tilting mechanism for smooth operation
  • Optimizing wing for both VTOL lift generation and forward flight aerodynamic efficiency
  • Identifying and mitigating stress points in structural design

Project Info

Timeline: January 2025 - August 2025 (8 months)
Role: Mechanical Design and Systems Engineer
Team: 3 Engineers
Status: Completed
Client: Near East University Robotics Lab (NEURL)

Impact

Key Results

  • Achieved stable transitions from hover to forward flight
  • Exceeded target weight-to-thrust ratio (required: 1.5:1, achieved: 1.7:1)
  • Reduced hover drift by 30% from initial prototype
  • Developed modular tilt-wing chassis enabling rapid prototyping
Target Audience: Aerospace engineering researchers and UAV developers

Specifications

wing Tilt Mechanism

  • Tilt-wing configuration for seamless transitions between vertical and horizontal flight
  • Robust tilting mechanism ensuring smooth and reliable wing rotation
  • Optimized wing structure for lift in VTOL and efficiency in forward flight

propeller Integration

  • Integrated propeller mounts maintaining structural integrity in all orientations
  • Strategic propeller positioning and angles to maximize VTOL thrust and minimize forward flight drag

structural Analysis

  • Extensive FEA to validate airframe integrity during transition phases
  • Focused on identifying and mitigating potential stress points
  • Ensured overall design robustness for demanding operations

scaled Model

  • Accurate representation of full-size VTOL aerodynamic and structural characteristics
  • Provided insights into VTOL design challenges for future developments

Software

  • MATLAB
  • SolidWorks
  • Mission Planner
  • XFLR5
  • ANSYS