Real-time torque prediction for ultrasonic motors using an attention-based BiLSTM model and improved differential evolution algorithm DOI Creative Commons

Yanbo Wang,

Tatsuki Sasamura, Abdullah Mustafa

et al.

Measurement, Journal Year: 2025, Volume and Issue: unknown, P. 117266 - 117266

Published: March 1, 2025

Language: Английский

Review of Cryogenic Piezoelectric Ultrasonic Motors for Aerospace Applications DOI

Tian-Bing Xu,

Sidra Naz

AIAA SCITECH 2022 Forum, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 3, 2025

Language: Английский

Citations

1
A Comprehensive Review of Piezoelectric PVDF Polymer Fabrications and Characteristics DOI Creative Commons

Nadia Ahbab,

Sidra Naz, Tian-Bing Xu

et al.

Micromachines, Journal Year: 2025, Volume and Issue: 16(4), P. 386 - 386

Published: March 28, 2025

Polyvinylidene fluoride (PVDF) polymer films, renowned for their exceptional piezoelectric, pyroelectric, and ferroelectric properties, offer a versatile platform the development of cutting-edge micro-scale functional devices, enabling innovative applications ranging from energy harvesting sensing to medical diagnostics actuation. This paper presents an in-depth review material fabrication methodologies, characterization PVDF films. Initially, comprehensive description physical, mechanical, chemical, thermal, electrical, electromechanical properties is provided. The unique combination coupled with its excellent chemical resistance mechanical strength, makes highly valuable wide range applications. Subsequently, techniques, phase transitions achievement methods, copolymerization composites employed improve optimize were elaborated. Enhancing transition in especially promoting high-performance β-phase, can be achieved through various processing leading significantly enhanced piezoelectric pyroelectric which are essential diverse concludes discussion associated techniques crystal structure, ferroelectric, electromechanical, provide crucial insights into directly impacting performance By understanding these aspects, researchers engineers gain optimizing PVDF-based devices applications, including energy-harvesting, sensing, biomedical thereby driving advancements fields.

Language: Английский

Citations

1
Numerical Modeling and Dynamic Analysis of Resonance-Based Linear Piezoelectric Actuators DOI Creative Commons
Ying He, Ming Yuan

IntechOpen eBooks, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 25, 2025

This chapter presents a comprehensive analysis of resonance-based linear piezoelectric actuators, focusing on their numerical modeling, dynamic behavior, and driving mechanism. The begins by introducing the fundamental principles classification these followed an in-depth exploration electromechanical coupling in stator response mover. A key aspect is development integrated model that combines finite element with analytical methods to friction contact mover motion. captures complex interactions at stator-mover interface, including frictional forces play crucial role actuator performance. To evaluate system’s performance, modal analysis, harmonic transient simulations are conducted. steady-state behavior actuator, output velocity load transfer, studied under varying operating conditions such as excitation voltage, phase difference, pre-pressure. modeling approach provides valuable insights into mechanism Resonance-based actuators (RLPA), enabling accurate prediction findings contribute guiding structural optimization, improving efficiency, informing control strategies for future RLPA applications.

Language: Английский

Citations

0
Real-time torque prediction for ultrasonic motors using an attention-based BiLSTM model and improved differential evolution algorithm DOI Creative Commons

Yanbo Wang,

Tatsuki Sasamura, Abdullah Mustafa

et al.

Measurement, Journal Year: 2025, Volume and Issue: unknown, P. 117266 - 117266

Published: March 1, 2025

Language: Английский

Citations

0