A Control Strategy for Eliminating Bouncing in RF MEMS Switches

2016 ◽  
Author(s):  
Amer L. Allafi ◽  
Premjeet Chahal ◽  
Ranjan Mukherjee ◽  
Hassan K. Khalil
Keyword(s):  
Control Strategy ◽  
Rf Mems ◽  
Mems Switches ◽  
Setting Times ◽  
Impact Forces ◽  
Rf Mems Switches ◽  
Main Disadvantage ◽  
Small Rise ◽  
Feedback Control Strategy ◽  
The Impact

RF MEMS switches have many advantages over solid-state switches but their main disadvantage is poor reliability. The reliability problem stems from the impact forces generated at the time of closing of the switch and subsequent bouncing. This paper proposes a feedback control strategy to rapidly close the switch without bouncing. The stiffness of the system is switched between a positive value and a negative value to achieve small rise and setting times with no overshoot. Simulation results are presented to demonstrate the feasibility of the proposed control strategy.

Variable Structure Control of a Mass Spring Damper Subjected to a Unilateral Constraint: Application to Radio-Frequency MEMS Switches

2018 ◽  
Vol 140 (8) ◽  
Author(s):  
Amer L. Allafi ◽  
Premjeet Chahal ◽  
Ranjan Mukherjee ◽  
Hassan K. Khalil
Keyword(s):  
Feedback Control ◽  
Radio Frequency ◽  
Transient Response ◽  
Control Strategy ◽  
Rf Mems ◽  
Unilateral Constraint ◽  
Mems Switches ◽  
Short Period ◽  
Feedback Control Strategy ◽  
Mass Spring

A feedback control strategy is presented for improving the transient response of the ubiquitous mass-spring-damper (MSD) system; the closed-loop system has a small settling time with no overshoot for a step input. This type of response is ideal for MSD systems subjected to a unilateral constraint such as radio-frequency micro-electro-mechanical-system (RF MEMS) switches, which are required to close in a short period of time without bouncing. The control strategy switches the stiffness of the MSD between its nominal value and a negative value, resulting in a hybrid dynamical system. A phase portrait analysis of the hybrid system is carried out to establish the asymptotic stability property of the equilibrium and quantify the transient response. Simulation results are presented using parameter values of a real RF MEMS switch from the literature. As compared to open-loop strategies that are currently used, the proposed feedback control strategy promises to provide comparable switch-closing times with robust performance and eliminate bouncing.

Lifetime characterization of capacitive RF MEMS switches

2005 ◽  
Author(s):  
Afshin Ziaei ◽  
Thierry Dean ◽  
Jean-Philippe Polizzi
Keyword(s):  
Rf Mems ◽  
Mems Switches ◽  
Rf Mems Switches

CMOS Compatible RF MEMS Switches with Serpentine Springs

2019 ◽  
Vol 18 (1) ◽  
pp. 9-14
Author(s):  
Xiao L. Evans ◽  
H.S. Gamble ◽  
P.T. Baine ◽  
S.J.N. Mitchell ◽  
J. Montgomery ◽  
...  
Keyword(s):  
Rf Mems ◽  
Mems Switches ◽  
Rf Mems Switches ◽  
Cmos Compatible

scholarly journals Lifetime characterization of capacitive power RF MEMS switches

2006 ◽  
Author(s):  
Afshin Ziaei ◽  
Thierry Dean ◽  
Yves Mancuso
Keyword(s):  
Rf Mems ◽  
Mems Switches ◽  
Rf Mems Switches

Design and process considerations for fabricating RF MEMS switches on printed circuit boards

2005 ◽  
Vol 14 (6) ◽  
pp. 1311-1322 ◽  
Author(s):  
Hung-Pin Chang ◽  
Jiangyuan Qian ◽  
B.A. Cetiner ◽  
F. De Flaviis ◽  
M. Bachman ◽  
...  
Keyword(s):  
Printed Circuit Boards ◽  
Rf Mems ◽  
Circuit Boards ◽  
Mems Switches ◽  
Printed Circuit ◽  
Rf Mems Switches

A miniaturized reconfigurable broadband attenuator based on RF MEMS switches

2016 ◽  
Vol 26 (7) ◽  
pp. 074002 ◽  
Author(s):  
Xin Guo ◽  
Zhuhao Gong ◽  
Qi Zhong ◽  
Xiaotong Liang ◽  
Zewen Liu
Keyword(s):  
Rf Mems ◽  
Mems Switches ◽  
Rf Mems Switches
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