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About

Simon Lessard is a pioneering researcher in medical robotics, with a focused expertise in the development of parallel robots for non-invasive 3D ultrasound imaging. His major contributions center on creating robotic systems that enable precise, real-time 3D reconstruction of blood vessels for diagnosing peripheral arterial disease—a critical advancement over costly, invasive, or ionizing alternatives like CT angiography. Lessard’s most influential work, "A New Medical Parallel Robot and Its Static Balancing Optimization" (2007), has garnered 55 citations, establishing a foundation for optimizing robot kinematics to reduce energy consumption and improve accuracy during ultrasound probe manipulation. He further advanced the field with studies on static balancing (14 citations) and robust position/force controller design using LMI optimization, addressing the challenge of controlling industrial robots in delicate medical contact tasks. His research directly tackles the need for low-cost, non-invasive imaging, with his parallel robot design enabling freehand probe tracking for 3D ultrasound. Lessard’s work stands out for its practical impact on preoperative planning, offering a safer, more accessible alternative to traditional imaging methods. His achievements underscore a career dedicated to bridging robotics and clinical medicine, making him a key figure in the evolution of medical ultrasound technology.