R. Kwadzogah

Papers

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About

R. Kwadzogah’s research focuses on precision motion control and vibration suppression in high-speed robotic systems, with particular emphasis on linear robots used in advanced manufacturing and optoelectronics assembly. Their most cited work, “Vibration control of linear robots using a piezoelectric actuator” (2003, 23 citations), introduces a control strategy that employs an auxiliary piezoelectric actuator to mitigate structural resonances induced by rapid horizontal slewing—accelerations reaching 3 g—thereby reducing vertical vibration forces that compromise positioning accuracy. This contribution directly addresses a critical bottleneck in achieving sub-micrometer tolerances in high-speed automation. Kwadzogah’s earlier paper, “Vibration control on linear robots with digital servocompensator” (2000, 3 citations), further develops digital control methods for the NIST ATP Precision Optoelectronics Assembly Consortium, targeting a 0.1 μm linear tolerance for assembly platforms. Together, these works demonstrate a sustained effort to bridge the gap between speed and precision in robotics, offering practical solutions for industries requiring nanometer-level accuracy. Kwadzogah’s research remains relevant for engineers and researchers working on active vibration control, mechatronics, and high-precision manufacturing systems.