Elata D. – TechConnect Briefs

High-Stability Numerical Algorithm for the Simulation of Deformable Electrostatic MEMS Devices

Rottenberg X., Nauwelaers B., De Raedt W., Elata D., IMEC, BE

This paper presents a novel high-stability algorithm for the simulation of the electromechanical actuation of electrostatic MEMS devices. Its stability improves on that of voltage- and charge-drive algorithms. It further offers a purely electrical simulation [...]

A New 3D Model of The Electro-Mechanical Response of Piezoelectric Structures

Elata D., Elka E., Abramovich H., Technion – Israel Institute of Technology, IL

The constitutive equations of multi-layered piezoelectric structures are derived in a new form. In this form, the electromechanical coupling is presented as an additional stiffness matrix. This matrix is a true property of the piezoelectric [...]

Electromechanical Buckling of a Pre-Stressed Layer Bonded to an Elastic Foundation

Abu-Salih S., Elata D., Technion – Israel Institute of Technology, IL

The electromechanical buckling of a pre-stressed layer bonded to an elastic foundation is analyzed. A new analytic solution of the mechanical post-buckling is presented. In addition, it is shown that electrostatic forces can precipitately instigate [...]

Stability of Charge-Controlled Electrostatic Actuators: A general theorem and a novel charge Pull-In extraction numerical scheme

Bochobza-Degani O., Elata D., Nemirovsky Y., Electrical Engineering Department, Technion, IL

This work deals with the stability of charge-controlled electrostatic actuators. First, a general proof is presented showing that for any electrostatic actuator, the stability range under charge-control is always larger than the stability range under [...]

An efficient Adaptive Single-Mode (ASM) Pull-In Extraction Algorithm for Computer Aided Design of Electrostatic MEMS Devices

Elata D., Bochobza-Degani O., Nemirovsky Y., Technion – Israel Institute of Technology, IL

This paper presents a novel Adaptive Single-Mode (ASM) Pull-In extraction scheme for CAD of electrostatic MEMS. The scheme is 50 to 1000 times faster than various previously suggested methods. The extracted Pull-In parameters are shown [...]

Modeling the Electro-Thermal Response of Thermally Isolated Micromachined Distributed Structures

Socher E., Bochobza-Degani O., Elata D., Nemirovsky Y., Israel Institute of Technology, IL

This work analyzes the electro-thermal behavior of thermally isolated micromachined resistive structures. A novel numerical scheme for solving the coupled electro-thermal problem is suggested. The novel scheme can capture the thermal instabilities under both voltage [...]

Stability of Charge-Controlled Electrostatic Actuators: A general theorem and a novel charge Pull-In extraction numerical scheme

Bochobza-Degani O., Elata D., Nemirovsky Y., Electrical Engineering Department, Technion, IL

This work deals with the stability of charge-controlled electrostatic actuators. First, a general proof is presented showing that for any electrostatic actuator, the stability range under charge-control is always larger than the stability range under [...]

An Efficient Numerical Algorithm for Extracting Pull-In Hyper-Surfaces of Electrostatic Actuators with Multiple Uncoupled Electrodes

Elata D., Bochobza-Degani O., Nemirovsky Y., Technion – Israel Institute of Technology, IL

In this work the stability of electrostatic actuators with multiple uncoupled voltage sources applied to separate isolated excitation electrodes is analyzed. These electrodes are used to drive a continuous deformable element. A novel computational strategy [...]