PWM as a low cost method for the analog control of MEMS devices

C Pollock, LK Barrett, PG del Corro… - Journal of …, 2019 - ieeexplore.ieee.org
In this paper, we discuss the use of pulse width modulation (PWM) to control analog MEMS
devices. We achieve a precise linear analog control of MEMS by applying PWM signal with …

Engineered PWM drives for achieving rapid step and settle times for MEMS actuation

C Pollock, M Imboden, A Stange, J Javor… - Journal of …, 2018 - ieeexplore.ieee.org
Microelectromechanical systems (MEMS) provide engineers with a rich palette of technical
solutions to a wide range of actuation and sensing challenges. MEMS devices are low cost …

Input-shaping control of nonlinear MEMS

MF Daqaq, CK Reddy, AH Nayfeh - Nonlinear Dynamics, 2008 - Springer
We develop a new technique for preshaping input commands to control
microelectromechanical systems (MEMS). In general, MEMS are excited using an …

Stroke-length control of a MEMS device

L Wang, JM Dawson, J Chen… - … '2000. Proceedings of …, 2000 - ieeexplore.ieee.org
Microelectromechanical systems (MEMS) have a variety of potential civil and military
applications. As MEMS become widely implemented, the application of closed-loop control …

[PDF][PDF] Phase-lead compensator to improve the transient performance of comb actuators

Y Chen, Y Shroff, WG Oldham - Technical Proceedings of the …, 2000 - researchgate.net
The transient performance of electrostatic actuators is important in high-frequency switching
operation of MEMS devices [1]. Optimization of the transient behavior of a simple actuator …

Electrical control of effective mass, damping, and stiffness of MEMS devices

JV Clark, O Misiats, S Sayed - IEEE Sensors Journal, 2016 - ieeexplore.ieee.org
We propose the use of electrostatic force feedback to control the effective mass, damping, or
stiffness of micro electro mechanical system (MEMS). Our analysis suggests that if feedback …

MEMS actuators for silicon micro-optical elements

NC Tien, DT McCormick - MOEMS and Miniaturized Systems, 2000 - spiedigitallibrary.org
Micro actuators are critical elements in all micro-systems which require components that are
not stationary. Numerous technologies have been developed in the field of MEMS to provide …

Parametric resonance of a repulsive force MEMS electrostatic mirror

M Ozdogan, M Daeichin, A Ramini… - Sensors and Actuators A …, 2017 - Elsevier
We investigate the nonlinear dynamic behavior of an electrostatic MEMS mirror. The MEMS
mirror is driven by repulsive force actuators, which avoid pull-in instability and enable large …

Towards understanding architectural tradeoffs in mems closed-loop feedback control

G Hoover, F Brewer, T Sherwood - Proceedings of the 2007 international …, 2007 - dl.acm.org
Micro-Electro-Mechanical Systems (MEMS) combine lithographically formed mechanical
structures with electrical elements to create physical systems that operate on the scale of …

Open-loop versus closed-loop control of MEMS devices: choices and issues

B Borovic, AQ Liu, D Popa, H Cai… - … of Micromechanics and …, 2005 - iopscience.iop.org
From a controls point of view, micro electromechanical systems (MEMS) can be driven in an
open-loop and closed-loop fashion. Commonly, these devices are driven open-loop by …