Optimization software
Multi-objective design engine
Three solver tracks; 36 saved benchmark rows across 12 cases.
Further work: an interactive Pareto-front comparison of the saved benchmark results.
Engineering
projects
A selection of my work in control systems, simulation, UAV planning and product development.
Interactive robot illustration. Use a pointer to explore; the casebook works on every device.
Interactive illustration · pointer interaction
Testing flight control on hardware
A hardware-in-the-loop setup connecting an aircraft model, controller and DJI M300 flight hardware.
- ROS & DJI OSDK
- MATLAB / Simulink
- HITL validation
Engineering case studies
Models, methods
and results.
Explore simulations, analysis tools and project figures. Each case explains the problem, my contribution, the method and the scope of the results.
14 case studies
08Explore case studyAerodynamics & structures
NACA 0012 wing CFD and structural analysis
A NACA 0012 wing study that transfers CFD pressure loads into a structural model and compares stress, deflection and mass across nine structural variants.
CFD pressure loads · 9 structural variants
02Explore case studyFlight dynamics
Aircraft trim and linearization
Find a steady-flight operating point, derive a local linear model and compare its response with the nonlinear aircraft simulation.
MATLAB trim solution · matched linear / nonlinear responses
01Explore case studyGuidance & flight control
Moving-platform quadrotor landing
A nonlinear quadrotor simulation tracks a moving platform and transitions from approach to docking. Replay six scenarios alongside the state and control plots.
6 recorded MATLAB simulation scenarios
10Explore case studyAircraft sizing
Conceptual transport-aircraft sizing
Explore how payload, range and fuel assumptions affect takeoff mass, alongside the mission and payload-range plots from a transport-aircraft sizing study.
Mission sizing · payload-range analysis · mass-budget explorer
04Explore case studyMachine learning & inspection
Wind-turbine defect detection
A computer-vision workflow for finding candidate defects in turbine imagery, with training metrics, validation figures and an image-by-image prediction explorer.
100 training epochs · saved validation and predictions
09Explore case studyConceptual aircraft design
FireBolt conceptual aircraft design
A joint conceptual aircraft-design project connecting requirements, mission sizing, CAD and Raymer Design Software (RDS) aerodynamic and propulsion studies.
Configuration development · CAD · design report
13Explore case studyRobust control
Quadrotor PD and LADRC control study
A nonlinear quadrotor simulation comparing cascaded PD and linear active disturbance rejection control, from vehicle modelling to discrete controller implementation.
Nonlinear simulation · disturbance tests · MATLAB S-functions
03Explore case studyTrajectory optimization
Constrained lunar descent simulation
Optimize a lunar landing trajectory subject to thrust and tilt limits, then inspect altitude, velocity, thrust and estimated propellant use.
3-DOF trajectory optimization · Python / SciPy
05Explore case studyImage processing & mapping
Overlapping imagery to a stitched mosaic
Align overlapping images into a larger composite using feature matching, geometric registration, warping and blending.
Original overlapping images · saved mosaic
06Explore case studyPlanning & numerical methods
Obstacle-aware UAV trajectory planning
Turn an obstacle-free route into a smooth trajectory using convex corridors and Bézier curves, with explicit limits on motion.
Research outputs · interactive planner07Explore case studyRobotics integration
DJI M300 hardware-in-the-loop testing
Connect ROS, DJI flight hardware and a simulated aircraft response to exercise trajectory-control software before flight testing.
Hardware setup · research footage & logs
11Explore case studyCivil aircraft performance
Honda HA420 analytical performance study
An aircraft-performance calculation study, with original report plots and an interactive example of drag, thrust margin and ideal climb potential.
Original report plots · interactive drag / power model
12Explore case studyFlight-data reduction
SAAB 340B drag-polar analysis
Estimate lift and drag coefficients from eight steady-flight observations, fit a drag polar and examine the residual at each operating point.
8 steady-flight observations · coefficient reduction · least-squares fit
14Explore case studyRotorcraft aerodynamics
Rotorcraft power and climb analysis
Break helicopter power demand into induced, profile, parasite and tail-rotor contributions, then explore the ideal climb margin over airspeed.
Power breakdown · airspeed sweep · ideal climb analysisProject work / 01–16
More engineering work
Additional control studies, simulations and software projects, with supporting figures and links.
Trajectory Planning and Control HITL Simulation for DJI M300
Jan 2025 - Oct 2025
A ROS and DJI OSDK setup for testing trajectory planning and control with real flight hardware and a simulated aircraft response.
Supporting material / 3 figures
Original setup photographs and system diagram. Hardware-in-the-loop evidence is distinct from free-flight testing.
Explore the hardware-in-the-loop caseProject figures / 3 selected figures
01 / 03Trajectory Planning for UAVs
Jan 2025 - Oct 2025
Planning smooth trajectories around obstacles using convex corridors, differential flatness and Bézier curves.
Supporting material / 2 figures
Saved planning outputs, with the product film and interactive planner as companion material.
Explore the planning methodProject figures / 2 selected figures
01 / 02Computer Vision for Wind Turbine Inspection
Jun 2025 - Aug 2025
A YOLOv8 workflow for detecting candidate defects in turbine imagery, with saved validation results and predictions for visual review.
Supporting material / 4 figures
Confusion matrix, precision–recall curve, and paired validation labels/predictions from the same saved 100-epoch training run.
Inspect predictions and training historyProject figures / 4 selected figures
01 / 04
Geometric Disturbance Observer-based NMPC
Jan 2025 - Sep 2025
Estimating external disturbances and using nonlinear model predictive control to compensate for them.
Supporting material / 4 figures
Simulation figures show the control architecture, applied disturbances, disturbance estimates and trajectory tracking from the study.
Project figures / 4 selected figures
01 / 04
Reddiate
May 2025 - Jul 2025
An app for exploring customer problems, reviewing research sources and organizing customer discovery. Watch the product film or request access.
Supporting material / product walkthrough
The product film above shows the app workflow. The app page describes the product and access options.
View the Reddiate app pageLearning Quadrotor Dynamics with Neural Networks
Mar 2025 - Jun 2025
A MATLAB experiment using separate neural networks for quadrotor translational and rotational dynamics, with saved prediction comparisons.
Supporting material / 4 figures
Separate neural networks model translational and rotational quadrotor dynamics. Prediction and correlation plots show how each acceleration channel is represented, including lower accuracy in the vertical channel.
Project figures / 4 selected figures
01 / 04
Image Mosaic Generation
May 2024 - Aug 2024
Aligning and blending overlapping satellite images into a larger mosaic using Python and OpenCV.
Supporting material / 2 figures
A source image and its saved mosaic. The detailed case includes the overlap, registration and blending explanation.
Explore the image-mosaic workflowProject figures / 2 selected figures
01 / 02
Missile Interceptor Simulation
Jun 2023 - Sep 2023
A nonlinear 6-DOF simulation with proportional navigation and a three-loop autopilot.
Tilt Rotor UAV Simulation
Jul 2023 - Aug 2023
A nonlinear 6-DOF UAV model incorporating actuators and sensors.
Supporting material / 3 figures
Dynamics, actuator and sensor diagrams explain how the tilt-rotor simulation is assembled.
Project figures / 3 selected figures
01 / 03
INDI Quadrotor Control
Aug 2023 - Sep 2023
Incremental nonlinear dynamic inversion for simulated attitude and altitude control.
Supporting material / 3 figures
A nominal altitude-response comparison and implementation diagrams from the shared INDI / tilt-rotor model.
Project figures / 3 selected figures
01 / 03
Fixed Wing UAV Simulation
Nov 2022 - Jan 2023
A nonlinear aircraft model with stability augmentation and autopilot modes.
Supporting material / 3 figures
Model, response and control-structure figures from the original fixed-wing control report. The newer trim study is a separate related model.
Related trim and linearization studyProject figures / 3 selected figures
01 / 03
Quadrotor ADRC Control
Oct 2021 - Apr 2022
A simulation study comparing active disturbance rejection control with other quadrotor controllers under the study’s test conditions.
Supporting material / 3 figures
Control architecture, nominal response and model-uncertainty results from the comparative quadrotor-control study.
Related PD / LADRC control studyProject figures / 3 selected figures
01 / 03
Supersonic Fighter Jet Design
Jan 2020 - Jul 2020
FireBolt, a joint conceptual-design project with Mariyam Abid, covering requirements, aircraft sizing, configuration development and CAD.
Supporting material / 6 figures
CAD and design-report figures from the joint project by Muhammad Adeel Ahsan and Mariyam Abid.
Explore the aircraft-design caseProject figures / 6 selected figures
01 / 06
High Aspect Ratio Wing CFD/FEM Analysis
Jun 2020 - Jul 2020
A NACA 0012 finite-wing study connecting CFD pressure fields to static structural response and comparing nine structural variants.
Supporting material / 8 figures
Original wing-flow and structural-analysis figures, with the archived numerical comparisons in the linked case.
Inspect the wing studyProject figures / 8 selected figures
01 / 08
F-104 Aircraft Autopilot
Jan 2020 - Feb 2020
Longitudinal and lateral autopilot design for an aircraft simulation.
MiG-29 Performance Analysis
Jan 2019 - Aug 2019
Aircraft-performance analysis using analytical methods for flight mechanics.
Control, in practice
Control-system response
Explore how controller gains affect a model’s response in the PID tuner.
Open the PID tunerCommand → response → feedback
Illustrative step response
Currently building at EsseReale
Movement.
For more people.
Explore the Yo-Go prototype. Rotate it and raise or lower the seat. The lift poses illustrate the mechanism.
Meet Yo-Go
Drag sideways to turn · Yo-Go Mk3.5
Developing Yo-Go
Yo-Go prototype at EsseReale.
As co-founder and CTO at EsseReale, I lead Yo-Go’s technical development across product and mechanical design, electronics, embedded systems, stabilization, control algorithms and software. I also lead our technical team.
Smaller projects, continued exploration.
Engineering automation
UAV component placement
Rule-based placement, mass properties, inertia tensors and external placement rules.
Further work: a 3D layout viewer showing centre of gravity, inertia, collisions and keep-out regions.
Control systems
Tiltrotor dynamics & allocation
Nonlinear models, motor force/torque maps and pseudoinverse allocation code.
Further work: compare actuator-allocation methods under saturation and a defined actuator failure.
Learning & control
Learned quadrotor dynamics
Dual-network training artifacts and sequential-convex-programming code.
Further work: evaluate multi-step prediction errors on held-out trajectories and compare normalization choices.
Scientific computing
Earth–Moon orbital transfer
Two-body/three-body solver comparisons, saved trajectories and conservation plots.
Further work: compare solver runtime and numerical error under matched conditions.