Dr. R. A. D. D. Dharmasiri – Department of Physics

Dr. R. A. D. D. Dharmasiri
Seniour Lecturer
Email: dhanu@sjp.ac.lk
Telephone (Extension):0112758357 (8357)
Research Interest:Embedded systems design, electronic instrumentation, data acquisition systems, Control system development, and robotics applications

Academic Qualifications

PhD, Electronics/Robotics, University of Colombo, 2025
MSc, Applied Electronics, University of Colombo, 2015
BSc, Physics, University of Sri Jayewardenepura, 2009

Teaching and Academic Responsibilities

Analogue Electronics and Digital Electronics
Microprocessors and Microcontrollers
Introduction to Robotics and Internet of Things
Advanced Analog and Digital Electronics
Coordinator – Electronics and Embbeded Systems Program

Research Areas

Embedded systems design, electronic instrumentation, data acquisition systems, control system development, and robotics applications

Recent Publications

Manathunga, CH, Dharmasiri, RADD, Wanniarachchi, WKIL, Jayananda, MK, Nakayama, T.(2025). “PyCSBtool: Python-based GUI learning tool for Basics Control System Education”. IEEE Access, 13, 117491-117499. DOI: 10.1109/ACCESS.2025.3583103
Dharmasiri, RADD, Jayananda, MK. (2025). “Evaluation of the dynamic performance and practical limitations of a two-wheeled self-balancing robot”. International Journal of Electrical and Computer Engineering (IJECE), 3613-3620. DOI: 10.11591/ijece.v15i4.pp3613-3620
Dharmasiri, RADD, Jayananda, MK. (2024). “A Study of Two-Wheel Self-Balancing Robot Dynamics for Control Systems Learning”. Vidyodaya Journal of Science, 27(02), 25-36. DOI:10.31357/vjs.v27i02.7834
Rathnayaka, RMDP, Wanniarachchi, DDC, Manathunga, CH, Dharmasiri, RADD, Wanniarachchi, WKIL. (2020). “EduPotStat: Construction and testing of a low-cost potentiostat”. IOSR Journal of Applied Physics, 12(5), 10-18
Dharmasiri, RADD, Jayananda, MK. (2025). “Nonlinear Time Series Analysis for Stability Evaluation of Two-Wheeled Self-Balancing Robots with PID Control”. 11th International Conference on Multidisciplinary Approaches, University of Sri Jayewardenepura
Jayasinghe, DM, Weerathunga, DTD, Kumarasinghe, AR, Manathunga, KS, Dharmasiri, RADD, Manathunga, CH, Sewwandi, BVN. (2024). “Investigation of electrical properties of composite dipped films developed with Electrically Conductive Carbon nanotube (CNT)-Natural Rubber Latex (NRL)”. Proceedings of 11th Ruhuna International Science & Technology Conference, 126
Dharmasiri, RADD, Jayananda, MK. (2017). “Design and Construction of a Two-Wheeled Robot with Robot Operating System (ROS) based Navigational Capabilities”. Annual Research Symposium, University of Colombo

Book Chapters

Perera, DR, Mannatunga, KS, Dharmasiri, RADD, Meegama, RGN, Jayananda, MK. (2016). “Implementation of a Smart Sensor Node for Wireless Sensor Network Applications using FPGAs”. In Field-Programmable Gate Array (FPGA) Technologies for High Performance Instrumentation. IGI Global

Professional Service and Contributions

Subject Coordinator – Electronics and Embedded Systems (EES), Faculty of Applied Sciences, University of Sri Jayewardenepura (2023 – Present)
Extended Degree Subject Coordinator – Electronics and Embedded Systems (EES), Faculty of Applied Sciences, University of Sri Jayewardenepura (2023 – Present)
Senior Treasurer – Society of Electronics and Embedded Systems (EES), Department of Physics, Faculty of Applied Sciences, University of Sri Jayewardenepura (2025 – Present)
Council Member and Co-Editor – Institute of Physics Sri Lanka (IPSL) (2025 – Present)
Member – Institute of Physics Sri Lanka (IPSL)
Member of SLAAS