A command shaping approach to enhance the dynamic performance and longevity of contact switches

Ou, Kuang-Shun; Chen, Kuo-Shen; Yang, Tian; Lee, Sen Yung

doi:10.1016/j.mechatronics.2008.09.009

Cited by 9 publications

(7 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Instead of using a continuous step command to control the electrode, a tailored pulse as presented by Ou et al 2008, with different levels of applied voltages and time intervals can be applied, as shown in Fig. 1.…”

Section: B Controlling the Switchmentioning

confidence: 99%

“… A tailored pulse has been applied next, instead of the single step pulse, following references from previously published work (Guo et al 2007, Ou et al 2008. The performance of the switch got better but there was still plenty of room for further improvement.…”

Section: Optimizing the Actuation Pulsementioning

confidence: 99%

“…Recently, two new publications presented a more accurate solution that includes all the involved parameters (Guo et al 2007, Ou et al 2008. Nevertheless, the SDOF model is not considered as an accurate method to describe efficiently a non-linear system like an RF-MEMS switch during its ON-OFF operation.…”

mentioning

confidence: 99%

See 2 more Smart Citations

RF-MEMS switch actuation pulse optimization using Taguchi’s method

et al. 2011

View full text Add to dashboard Cite

Reliability and longevity comprise two of the most important concerns when designing Microelectromechanical (MEM) switches. Forcing the switch to perform close to its operating limits underlies a trade-off between response bandwidth and fatigue life due to the impact force of the cantilever touching its corresponding contact point. This paper presents for first time an actuation pulse optimization technique based on Taguchi's optimization method to optimize the shape of the actuation pulse of an ohmic RF-MEMS switch in order to achieve better control and switching conditions. Simulation results show significant reduction in impact velocity (which results in less than 5 times impact force than nominal step pulse conditions) and settling time maintaining good switching speed for the pull down phase and almost elimination of the high bouncing phenomena during the release phase of the switch.

show abstract

Section: B Controlling the Switchmentioning

confidence: 99%

Section: Optimizing the Actuation Pulsementioning

confidence: 99%

See 1 more Smart Citation

RF-MEMS switch actuation pulse optimization using Taguchi’s method

et al. 2011

View full text Add to dashboard Cite

show abstract

“…Instead of using a continuous step command to control the electrode, a tailored pulse [8] with different levels of applied voltages and time intervals can be applied, as shown in Fig. 3.…”

Section: Voltage Drive Control (Tailored Pulse)mentioning

confidence: 99%

“…All these efforts focused on the minimization of the impact force and bouncing during the pull-down phase of the switch but without taking into account damping or adhesion forces. Recently, new publications presented a more accurate solution that includes all the involved parameters [8], [12][13][14]. Nevertheless, the SDOF model is not considered as an accurate method to describe efficiently a non-linear system like an RF-MEMS switch during its ON-OFF operation.…”

mentioning

confidence: 99%

On the investigation of a reliable actuation control method for ohmic RF MEMS switches

Spasos¹,

Nilavalan²

2011

Microelectronics Journal

View full text Add to dashboard Cite

Efficient control of RF MEMS switches is a very important issue as it is correlated to main failure mechanisms/modes such as the impact force and bouncing phenomena which degrade their dynamic performance and longevity. This paper presents the control of a specific ohmic RF MEMS switches under three different actuation modes, a tailored pulse optimization method based on Taguchi's technique (voltage mode actuation control), resistive damping (charge mode actuation control) and finally the Hybrid actuation mode, which is a combination of the tailored pulse, the resistive damping and Taguchi's optimization technique. Coventorware simulations indicate that under optimized Tailored pulse and Hybrid actuation modes, the impact velocity is reduced by around 90%, the initial impact force by around 75% and the maximum bouncing displacement during the release phase by around 95%, while the switching speed is increased by around 20% compared with the step pulse control mode. The resistive damping control mode is inappropriate for this type of switch and only partial improvement during the pull-down phase has been achieved. 2Finally, a comparison between Hybrid and optimized tailored modes shows that Hybrid actuation mode excels with better switching characteristics and most importantly offers immunity to manufacturing and operation tolerances.

show abstract

Robust, Cheap and Efficient Vision System for Mechanical Thermostat Switch Sub-assembly Inspection

Rejc

2019

Int. J. Precis. Eng. Manuf.

View full text Add to dashboard Cite

A command shaping approach to enhance the dynamic performance and longevity of contact switches

Cited by 9 publications

References 32 publications

RF-MEMS switch actuation pulse optimization using Taguchi’s method

RF-MEMS switch actuation pulse optimization using Taguchi’s method

On the investigation of a reliable actuation control method for ohmic RF MEMS switches

Robust, Cheap and Efficient Vision System for Mechanical Thermostat Switch Sub-assembly Inspection

Contact Info

Product

Resources

About