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Biography
Dr. Tarek Mohammad is an accomplished mechanical engineer with a rich academic and professional background. He earned his Ph.D. in Mechanical and Industrial Engineering from the University of Toronto in 2021, focusing on "One-Dimensional MEMS Optical Phased Array Systems Based on Surface-Micromachined Silicon Mirrors for Scanning LiDAR Applications."
Prior to this, he obtained a Master of Engineering Science in Mechanical and Materials Engineering from the University of Western Ontario in 2010 and a Bachelor of Science in Mechanical Engineering from Chittagong University of Engineering and Technology in 2007 .
Dr. Mohammad served as an Assistant Professor of Mechanical Engineering at Purdue
University Fort Wayne from August 2022 to July 2024. During his tenure, he taught courses in Dynamics, Controls, Mechatronics, Robotics, and Automation, while also mentoring capstone senior design projects and promoting active learning through technology integration. Before his academic role, he worked as a LiDAR Component Engineer at Detroit Engineered Products Inc., where he integrated LiDAR sensors into Stellantis (Chrysler) vehicles and developed functional requirements based on various use cases.
His research interests encompass Micro-Electromechanical Systems (MEMS), mechatronics, robotics, and LiDAR systems. Dr. Mohammad has been recognized with several honors, including the Natural Sciences and Engineering Research Council (NSERC) Doctoral Scholarship and the Doctoral Completion Award from the University of Toronto. He has contributed to numerous peer-reviewed journals and conferences, with a total of 294 citations to his work .
Research Interest
Dr. Tarek Mohammad's research interests primarily focus on Micro-Electromechanical Systems (MEMS), mechatronics, robotics, and LiDAR technologies. His work explores the integration of MEMS-based optical phased arrays for advanced scanning LiDAR applications, contributing to innovations in autonomous vehicles and robotic systems. Dr. Mohammad’s expertise includes the development of micro and nano-scale devices for precise measurements and sensing, particularly in environments requiring high-resolution and accurate data collection.
In addition to MEMS, his research extends to robotics and mechatronics, with a focus on improving the performance and efficiency of automation systems. Dr. Mohammad also investigates the integration of advanced sensor systems into complex mechanical systems, enhancing their functionality and real-time processing capabilities. His interdisciplinary research blends principles from mechanical engineering, control systems, and signal processing, with a commitment to advancing technologies in autonomous systems and robotic applications for practical, real-world solutions.
Open Access Policy refers to a set of principles and guidelines aimed at providing unrestricted access to scholarly research and literature. It promotes the free availability and unrestricted use of research outputs, enabling researchers, students, and the general public to access, read, download, and distribute scholarly articles without financial or legal barriers. In this response, I will provide you with an overview of the history and latest resolutions related to Open Access Policy.
A new design of a fine positioner or high precision driven unit with a large positioning range is proposed for a custom-made in-situ indenter device equipped inside an SEM chamber. The design configuration of the proposed system is size-effective for the confined working area of the SEM chamber. The indentation depths can be precisely varied by controlling the fine positioner driven by a piezoelectric actuator. The main goal is to achieve very deep penetrations toward the bottom layers of tall or large-size scale specimens by single indentation..., without the need for sequential indentations. Thus, the proposed design can eliminate the need for sequential adjustments of the specimen position with respect to the indenter tip as currently being practiced by the researchers. The specimen position adjustment after each indentation heavily depends on the coarse positioner and its accuracy level in a sub-millimeter regime which could result in position errors and unwanted lateral forces in the nanoindentation process. Therefore, the sequential indentations technique could lead to considerable variations in the outcomes of nanoindentation tests done on similar specimens. The proposed design will be realized to deploy in the Continuous Stiffness Measurement (CSM) techniques generally used to evaluate elastic properties as a function of continuous penetration depth with high-frequency loading and unloading cycles.
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