Publications

INTELLECTUAL PROPERTY / PATENTS

• [IP1] Edmon Perkins, Md Raf E Ul Shougat, XiaoFu Li, and Tushar Mollik, “No-delay, Stochastic Limit Cycle Oscillator Reservoir Computer and Related Methods”, U.S. Provisional Patent Filed (Application No. 63/388,420), 2022.

JOURNAL PUBLICATIONS

• [J16] Md Raf E Ul Shougat, XiaoFu Li, Edmon Perkins, “Self-learning Physical Reservoir Computer”, Physical review E (2024)

• [J15]      Anastasia Timofeeva*, Md Raf E Ul Shougat, Mark Pankow, Kara Peters, “Accelerating Imaging Frequency in High-speed Polarization Imaging through Data Modeling”, Optical Engineering (2024).

• [J14] Md Raf E Ul Shougat, XiaoFu Li, Edmon Perkins, “Multiplex-free Physical Reservoir Computing with an Adaptive Oscillator”, Physical review E (2024) 

• [J13] Md Raf E Ul Shougat, Scott Kennedy, Edmon Perkins, “A Self-Sensing Shape Memory Alloy Actuator Physical Reservoir Computer”, IEEE Sensors Letters (2023) 

• [J12] Md Raf E Ul Shougat, Edmon Perkins, “The van der Pol Physical Reservoir Computer” Neuromorphic Computing & Engineering (2023)

• [J11] Md Raf E Ul Shougat, XiaoFu Li, Siyao Shao, Kathleen Walden Mcgarvey, Edmon Perkins, “Hopf Physical Reservoir Computer for Reconfigurable Sound Recognition.”, Scientific Reports (2023)

• [J10] XiaoFu Li, Md Raf E Ul Shougat, Tushar Mollik, Aubrey N Bill, Robert N Dean, Edmon Perkins, “Field-programmable analog array (FPAA) based four-state adaptive oscillator for analog frequency analysis”, Review of Scientific Instruments (2023).

• [J9] Scott Kennedy, Md Raf E Ul Shougat, Edmon Perkins, “A Robust Machine Learning Approach for Self-sensing Shape Memory Alloy Actuators.”, Sensors and Actuators, A: Physical (2023)

• [J8] Tushar Mollik, Ying Geng, Md Raf E Ul Shougat, Timothy Fitzgerald, Edmon Perkins, “Genetic algorithm shape optimization to manipulate the nonlinear response of a clamped-clamped beam”, Heliyon (2022)  

• [J7] Md Raf E Ul Shougat, XiaoFu Li, Edmon Perkins, “Dynamic Effects on Reservoir Computing with a Hopf Oscillator”, Physical Review E (2022). 

• [J6] XiaoFu Li, Pawan Kallepalli, Tushar Mollik, Md Raf E Ul Shougat, Scott Kennedy, Sean Frabitore, Edmon Perkins, “The Pendulum Adaptive Frequency Oscillator”, Mechanical Systems and Signal Processing (2022) 

• [J5] Tushar Mollik, Scott Kennedy, Md Raf E Ul Shougat, XiaoFu Li, Timothy Fitzgerald, Scott Echols, Nick Kirk, Larry Silverberg, Edmon Perkins, “Discrete Element Method Simulator for Joint Dynamics: A Case Study Using a Red-Tailed Hawk's Hallux Digit”, Multibody System Dynamics (2022). 

• [J4] Md Raf E Ul Shougat, XiaoFu Li, Tushar Mollik, Edmon Perkins, “An Information Theoretic Study of a Duffing Oscillator Array Reservoir Computer”, Journal of Computational and Nonlinear Dynamics (2021).

• [J3] XiaoFu Li, Md Raf E Ul Shougat, Scott Kennedy, Robert Dean, Aubrey N. Beal, Edmon Perkins, “Stochastic Effects on a Hopf Adaptive Frequency Oscillator”, Journal of Applied Physics (2021).

• [J2] Md Raf E Ul Shougat, XiaoFu Li, Tushar Mollik, Edmon Perkins, “A Hopf Physical Reservoir Computer”, Scientific Reports (2021). 

• [J1] XiaoFu Li, Md Raf E Ul Shougat, Scott Kennedy, Casey Fendley, Aubrey N. Beal, Robert N. Dean, Edmon Perkins, “A four-state adaptive Hopf oscillator”, PLoS One (2021). 

*Mentees are denoted by underlined and italicized format. 

CONFERENCE PUBLICATIONS/PRESENTATIONS

• [C10] Waliur Rahman*, Md Raf E Ul Shougat, Kara Peters, “ Metamaterial Manipulation of Lamb Waves for Nondestructive Evaluation”, Quantitative Nondestructive Evaluation, 2024, Denver, CO (To be presented)

• [C9]  Md Raf E Ul Shougat, Joseph Alonso**, Waliur Rahman*, Kara Peters, “Interaction of Lamb waves and sensors in structural health monitoring of carbon fiber composite”, SPIE 2024, Long Beach, CA.

• [C8] Md Raf E Ul Shougat, Edmon Perkins, “The Computational Ability of the Duffing Oscillator Array”, International Symposium on Nonlinear Theory and its Applications (NOLTA),2022, Virtual (2022). 

• [C7] XiaoFu Li, Md Raf E Ul Shougat, Casey Fendley, Robert Dean, Edmon Perkins, “Stochastic Response of Hopf Adaptive Frequency Oscillator”, 10th European Nonlinear Dynamics Conference, Lyon, France (2022).

• [C6] Md Raf E Ul Shougat, XiaoFu Li, Tushar Mollik, Edmon Perkins, “Reservoir Computing with the Lorenz System”, ASME International Design Engineering Technical Conference & Computers and Information in Engineering Conference, Virtual Conference (2021)

• [C5] Subramanian Ramakrishnan, Md Raf E Ul Shougat, “On Quality Factor Improvement in a NEMS Resonator with Nonlinear Damping”, ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference,2019.

• [C4] Md Raf E Ul Shougat, Subramanian Ramakrishnan, “The Hysteresis Phenomenon and Q Factor Enhancement in Nonlinear NEMS Resonators Driven by Lévy Stable Stochastic Processes”, 2018 IEEE 13th Nanotechnology Materials and Devices Conference.

• [C3] Subramanian Ramakrishnan, Md Raf E Ul Shougat, Prasanth Sukumar, “Effects of White Noise Excitation on Tristable Piezoelectric Energy Harvesters with Asymmetric Potential Wells”, 2018 IEEE 13th Nanotechnology Materials and Devices Conference.

• [C2] Md Raf E Ul Shougat, EH Sabuz, GM Najmul Quader, M Mahboob “Effect of Building Orientation & Post Processing Material on Mechanical Properties of 3D Printed Parts”, International Conference on Mechanical, Industrial and Energy Engineering, Khulna, Bangladesh (2016)

• [C1] Mohammad Adom Safiullah , Muhammad Rubayat Bin Shahadat, Md Raf E Ul Shougat, “Feasibility study of wind turbine for low wind condition of Bangladesh”, International Conference on Mechanical, Industrial and Energy Engineering, Khulna, Bangladesh (2016) 

*Mentees are denoted by underlined and italicized format. 

**Undergraduate Mentee

POSTER PRESENTATIONS

• [P4] Waliur Rahman*, Md Raf E Ul Shougat, Kara Peters, "Amplifying Ultrasonic Lamb Wave Detection using Phononic Crystal GRIN Lens Waveguide for Structural Health Monitoring" , MAE Graduate Research Symposium, NC State University, 2024.

• [P3] Md Raf E Ul Shougat, Edmon Perkins, “Machine Learning Potential of Liénard type Oscillator”, MAE Graduate Research Symposium, NC State University, 2023.
  -1st prize winner

• [P2] Md Raf E Ul Shougat, Edmon Perkins, “Machine Learning with a Liénard type Oscillator using Reservoir Computing Framework”, Dynamics Days 2023, Virtual Conference (2023).

• [P1] Md Raf E Ul Shougat, XiaoFu Li, Tushar Mollik, Edmon Perkins, “Physical reservoir computing with a Hopf Oscillator”, MAE Graduate Research Symposium, NC State University, 2022. 

*Mentees are denoted by underlined and italicized format.

PhD Dissertation

• Physical Reservoir Computing Using Nonlinear Systems.  ”[Dissertation link]

MS THESIS

• Studies in Nonlinear and Stochastic Phenomena and Quality Factor Enhancement in a Nanomechanical Resonator ”[thesis link]

UNDERGRADUATE THESIS

• Md Raf E Ul Shougat, Ezazul Haque Sabuz, G.M.Najmul Quader , Monon Mahboob, “Effect of Building Orientation & Post Processing Materials on Mechanical Properties of 3D Printed Parts”[pdf]