Paper Title
NUMERICAL INVESTIGATION OF PIEZO ACTUATED BAR TYPE MICRO-ULTRASONIC MOTOR

Abstract
Abstract - This paper presents the design of a bar-type linear piezoelectric micro-ultrasonic motor that utilizes ultrasonic frequency to generate specific mode shapes resulting in the cyclic movement for driving a cylindrical shaft within a stator. The stator is a cubic structure with a central hole for accommodating the shaft. The study explores three variants of the motorthe Type-1, Type-2, and Type-3, investigating the behavior and performance of each model.Parameters like length, width, height, and hole diameter are varied based on themode-shaped nature studied. The research focuses on understanding the motor's dynamic behavior and performance characteristics at different scales. Numerical investigations are conducted to analyze the effect of scaling the motor's size, which affects performance characteristics like elliptical motionand linear displacement.To ascertain how scaling affects the performance of the motor, statistical analysis and result comparison is carried out. Overall, this study contributes to the design and understanding of bar-type linear piezoelectric micro-ultrasonic motors, showcasing the effects of scaling on their behavior and providing valuable insights for future advancements in the field. Keywords - Ultrasonic Motor, Micro Motor, Linear Actuator, Piezoelectric Motor