Jikui Liu

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About

Jikui Liu is a researcher specializing in precision actuation and mechanical transmission systems, with a focus on ultrasonic motors and harmonic drives. His work advances the design and performance analysis of high-precision motion components critical for robotics, optical systems, and space manipulation. Liu’s most cited paper, “A novel rotary ultrasonic motor based on multiple Langevin transducers: design, simulation, and experimental investigation” (2024, 21 citations), addresses key limitations of traveling wave rotary ultrasonic motors—such as short working life and low energy utilization—by proposing a novel multi-transducer configuration that enhances stability and efficiency. This contribution is vital for applications demanding long-term, reliable operation. Additionally, his research “Measurement and analysis of backlash on harmonic drive” (2019, 10 citations) provides analytical modeling of backlash and hysteresis, offering essential insights for improving the precision of harmonic drive transmissions used in robotics and aerospace. By tackling fundamental challenges in motor longevity and transmission accuracy, Liu’s work directly supports the development of more durable and precise mechatronic systems, making him a notable contributor to the fields of piezoelectric actuation and precision mechanics.