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T. S. Sankar is a distinguished researcher whose work has made lasting contributions to the fields of robot dynamics, flexible manipulator modeling, and real-time computational methods for robotic systems. His research has focused primarily on developing efficient mathematical frameworks for computing the complex dynamics of robot manipulators, addressing one of the central challenges in robotics: making dynamic computation fast enough for practical real-time control. Sankar's most influential contribution, "Systematic methods for efficient modeling and dynamics computation of flexible robot manipulators" (1993, 39 citations), introduced Lagrangian assumed modes methods that dramatically reduced the computational burden of modeling flexible robotic structures. This work, alongside complementary studies on linearized dynamic models and Jacobian computation, established him as a systematic thinker bridging theoretical mechanics and engineering implementation. His 1986 paper on vibro-impact analysis of robotic actuators with mechanical clearance (24 citations) demonstrated his breadth, tackling nonlinear stability problems with direct practical relevance to actuator design. Across his career, Sankar consistently prioritized computational efficiency and real-world applicability, developing algorithms suitable for microcomputer implementation. With a body of work accumulating over 125 citations, his contributions remain a valuable reference for researchers and engineers working on robotic manipulator dynamics and control system design.