Master Engineering Portfolio

A large-scale autonomous construction robotics concept combining mobile navigation, robotic manipulation, computer vision, scheduling, and multi-robot coordination.

• Four omni-wheel mobile base for free movement through a construction area.
• Independent navigation system plus XYZ brick-placement mechanism.
• Internal brick storage and an elevating structure enabling placement from ~1–3 m, with scalable concepts reaching higher construction levels.
• Gripper/picking mechanism operating like a 3D-printer/CNC axis system to retrieve and place bricks.
• Placement instructions generated from Rhino files or structured Excel/XLS data with labelled brick positions.
• Camera/OpenCV inspection of brick orientation, alignment, and shape.
• Raspberry Pi supervises multiple Arduino controllers, coordinating motion, actuators, and subsystem states.
• Web/mobile platform reports robot position, assigned work, progress, battery, loading state, and faults.
• Swarm scheduler reallocates work when a robot becomes unavailable or runs out of material, with dynamic obstacle avoidance and path replanning.
• Optional dedicated brick-loader machine feeds bricks continuously to reduce robot idle time.

Construction-site automation concept using plan information to support excavation, depth measurement, and schedule completion.

• Automated measurement of digging depth.
• Use of construction plans as a reference for required site work.
• Support for tracking completion and schedule status.

Embedded control and alignment system for modular floating bridge sections.

• Automatic alignment between modular sections to reduce reliance on manual pin/alignment procedures.
• Position and load/weight monitoring.
• Actuation for lateral positioning and automatic realignment.
• Control response to movement and wave-induced displacement.

Biomedical signal-acquisition prototype for ECG monitoring and research.

• Heart-rate and rhythm monitoring with alerting.
• Pattern collection and exploratory disease/risk analysis.
• Long-term patient-record concept for longitudinal comparison.
• Signal-quality evaluation at different electrode/body locations.
• Signal conditioning and filtering to improve usable ECG quality.

EMG-based platform for muscle activity analysis, fatigue detection, and rehabilitation.

• Signal acquisition through dedicated ICs and analog front-end stages.
• High-pass and other filtering stages to suppress body/environment noise and isolate useful muscle activity.
• Muscle fatigue monitoring and assessment of rehabilitation progress.
• Exploration of nerve-to-muscle activation response and possible nerve damage indicators.
• IMUs added to measure limb orientation, movement speed, and vibration/state.
• Used alongside ECG to identify and reduce chest-muscle interference in ECG signals.

Exploratory EEG acquisition and MATLAB analysis for studying brain-signal responses.

• Acquisition and filtering of EEG signals.
• MATLAB simulation/analysis of signal behavior.
• Exploration of relationships between neural signals and body responses.
• Research into response time and signal strength by comparing stimulation/measurement points.

A wearable sensor system attached independently to limbs such as a hand or leg, rather than a full exoskeleton.

• IMU-based orientation and movement tracking, ESP32-based sensing and communication.
• Mobile application for treatment tracking; server-side data storage/monitoring.
• Doctor/clinician workflow for uploading new rehabilitation exercises.
• Muscle fatigue and movement-angle tracking.
• Interactive PC/Wii-like games that turn movement into rehabilitation exercises and provide progress feedback.

Unfinished research concept exploring an artificial signal bridge between neural activity and an otherwise functional muscle when a nerve pathway is damaged.

• Concept explored receiving neural commands and providing an artificial interface/gate to relay stimulation toward a target limb.
• Considered a PCB-based interface and ion-related physiological control concepts.
• Remained research-only and was not tested on animals or humans — required authorization/experimental access was unavailable.

Early rehabilitation concept using movement-aware hardware and VR/game interaction to make therapy progressively challenging.

• Movement sensors drive interactive exercises.
• Game-based feedback intended to maintain engagement and track progress.
• Concept evolved toward independent limb-mounted sensor devices (see Wearable Limb Rehabilitation System).

Industrial control projects for production machinery and three-phase motors.

• PLC logic for three-phase motor control.
• Automation of netting/packaging machinery and food production-line machine control.
• Use of Schneider controllers and structured PLC programming.

Power-electronics project focused on adaptable AC-to-DC conversion and stable distribution to multiple connected loads.

• Adjustable conversion for different input/output requirements.
• Power-rail management intended to avoid disturbing already-connected devices.
• Protection and regulation considerations.

CNC-style machine for producing PCBs by combining board cutting and drilling functions.

• Cutting tool for PCB outlines/isolation.
• Drilling tool for component and mounting holes.
• Mechanical positioning and tool-control integration.

Foundation work across ARM and AVR microcontrollers and embedded peripherals.

• GPIO driver development and UART communication drivers.
• SPI and I²C peripheral integration.
• Memory management and memory-map considerations.
• Clock/crystal configuration, firmware architecture, and hardware bring-up.

Embedded firmware modification and hardware integration for commercially available wearable products.

• Worked with market products such as ring tags and body cameras.
• Reverse-engineering-oriented analysis to understand device behavior and enable legitimate modifications/integration.
• Focus on firmware, interfaces, and embedded hardware rather than merely using the products.

Robotics development using ROS concepts for sensing, control, and subsystem integration.

• Sensor/control integration.
• Robot software architecture and communication between components.

Connected ESP32 beacon/gateway platform for indoor proximity detection and sector-level analytics.

• BLE scanning and RSSI-based detection.
• MQTT telemetry and backend integration.
• Mobile application and monitoring dashboard.
• Metrics such as unique devices, strong detections, average RSSI, scan duty, and uptime.
• Considered scaling behavior across large numbers of deployed devices.

Real-time tracking prototype using a u-blox NEO-6M GPS module and cellular communication.

• GPS position acquisition.
• SIM/cellular network used to transmit location data remotely.
• Designed as a connected tracking device rather than a standalone GPS logger.

End-to-end platforms for monitoring vehicles and distributed assets.

• Selection of appropriate tracking hardware based on business case, protocol, inputs, and required features.
• Location monitoring and operational status.
• Web dashboards, backend services, and integration with cloud/server platforms.

Connected ATM concept combining transaction notifications, mobile workflows, and ATM availability monitoring.

• OTP/transaction notification through GSM/SMS as an additional verification/security layer.
• NFC-based phone/cardless transaction concept to reduce card-retention problems.
• ATM status/availability monitoring.
• Mobile application to locate nearby machines capable of satisfying a requested transaction/service.
• Operational checks such as available cash/status before directing a user to a machine.

Bluetooth-connected safety wearable for worker-oriented monitoring/communication.

• Embedded wearable device concept.
• Bluetooth communication and integration with connected monitoring workflows.

Wearable device integrated with a platform for location, failure/fall, and health monitoring.

• Location tracking and fall/failure event monitoring.
• Health-related wearable data integration.
• Platform-side monitoring and alerts.

Camera-management platform enhanced with computer vision and AI analytics.

• Camera/device management and location awareness.
• OpenCV-based camera detection; AI model training/experimentation for location detection.
• License-plate detection and human movement detection.
• Centralized monitoring beyond conventional video recording.

End-to-end solution architecture for fuel inventory, leakage detection, and controlled dispensing.

• Professional fuel-level sensors with temperature and pressure measurement.
• Compensation for thermal expansion and fuel vaporization effects.
• Reasoning about capacitive level sensing versus pressure changes to distinguish actual volume loss from environmental variation.
• Leakage/missing-volume detection; RFID authorization for fuel distribution to tanks and vehicles.
• Smart valves to enforce authorized dispensing and reduce theft/leakage.
• Central platform for monitoring and operational control.

Connected solution for monitoring water tankers and operational movement.

• Location tracking of tankers.
• Operational monitoring and centralized platform visibility.

Weight-sensing solutions for shipping and industrial workflows.

• Sensor selection and integration for measuring load/weight.
• Integration into operational monitoring workflows.

Agricultural monitoring system using commercially available sensors to characterize soil conditions.

• Soil moisture/humidity measurement; temperature and ammonia-related measurements.
• Collection of multiple soil properties.
• Use of measurements to support crop/seed and season selection decisions.
• Focused on system integration and decision support rather than development of the sensing elements themselves.

Embedded communication device and local network using radio and Bluetooth links.

• Device-to-device communication over radio/Bluetooth networking.
• Designed for operation where high environmental noise can affect communication.

Bluetooth speaker/audio project with mobile control and environment-aware output behavior.

• Mobile application for controlling volume and operating parameters.
• Adaptive output behavior based on surrounding conditions.
• Embedded Bluetooth/audio integration.

Interactive wearable/prop systems that turn fictional concepts into physical electronic experiences.

• Moving mechanical parts, lighting effects, sound systems, and controlled smoke effects.
• Embedded coordination of multiple interactive subsystems.

Mobile and software systems covering both customer shopping and retail/inventory workflows.

• Shopping mobile application.
• Retail inventory/store-management application.
• Integration between user-facing and operational workflows.

Self-built kiosk platform using Raspberry Pi and Linux.

• Configured Linux operating system.
• Deployed a custom application/platform with integrated touchscreen interaction.