Dynamics modeling and cooperative control of multiple piezoelectric actuators for high-precision applications

适用于高精度应用的多个压电执行器的动力学建模和协作控制

• 批准号: RGPIN-2017-05708
• 负责人: SHAN, JINJUN
• 金额: $ 2.7万
• 依托单位: York University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=638753
• 关键词: Dynamics; modeling; cooperative; control; multiple

The past two decades have seen a rapid increase in the use of piezoelectric structures in high-precision applications. However, the inherent nonlinearities of piezoelectric materials hinder the scope of the application and present an interesting control challenge. This issue gets more challenging when multiple piezoelectric actuators are involved in a system. To inherit the advantages offered by the piezoelectric actuators, it is important that the nonlinearities of piezoelectric actuators such as hysteresis, creep, dynamics effects and drfits are minimized or even eliminated using certain

在过去的二十年里，压电结构在高精度应用中的使用迅速增加。然而，压电材料固有的非线性阻碍了应用范围，并提出了一个有趣的控制挑战。当系统中涉及多个压电致动器时，这个问题变得更具挑战性。为了继承压电致动器所提供的优点，重要的是，使用某些压电致动器来最小化或甚至消除压电致动器的非线性，诸如滞后、蠕变、动力学效应和阻尼。