A theoretical analysis based on the Johnson noise equation and an established transducer model has revealed a simple mathematical expression for the minimum signal force detectable in air with an open ...

In recent years industry has shown growing interest in linear ultrasonic piezoelectric actuators and ultrasonic drives. Well-known manufacturers of micropositioning systems have increasingly put ...

Configurations of different variable thickness NFGP plates (A) Plate I, (B) Plate II, (C) Plate III, and (D) Plate IV. NFGP, nanofunctionally graded piezoelectric. Piezoelectric materials have long ...

(Nanowerk Spotlight – Application Notes) Improvements in the design of medical equipment for better streamlined functionality and performance is influenced by a number of critical factors. The ...

Within a framework of the state space method, an axisymmetric solution for functionally graded one-dimensional hexagonal piezoelectric quasicrystal circular plate is presented in this paper. Applying ...

Piezoceramic motors and actuators avoid several problems that beset ordinary motors in medical uses. • Piezoelectric motors and actuators are not affected by electromagnetic fields. • Piezo devices ...

Improvement in the design of medical equipment for better-streamlined functionality and performance is influenced by a number of critical factors. The research, design, modeling, testing, prototyping, ...

For a PDF verion of this article, click here. Though the understanding of piezoelectrics is more than a century old, there is, of late, a rapidly expanding interest in piezoelectric actuators, because ...

This low-cost circuit uses the piezoelectric element of a piezobuzzer as the input sensor. The piezoelectric element plate is fixed at the centre of the door wing by using a cello tape. Apply a small ...