![]() Additionally, they are one of the core themes of MEMS growth. The MATLAB results of the proposed model are validated with ANSYS.Įlectrostatic sensors and actuators are fabricated using the technology that is established for manufacturing microelectronics but with the addition of new technologies established exclusively for MEMS. The model is simulated using MATLAB to show the influence of that field on the static pull-in voltage. The static pull-in voltage of some PolyMUMPs actuators is practically measured and compared to the simulation results that involve the fringe field effect. The proposed model considers the fringe field between the two plates. This paper introduces a new model for the parallel plate actuator to calculate the value of static pull-in voltage. The fringe field around the edges of the plates could severely affect the performance of the actuator. The value of this critical voltage is important in many applications that depend on parallel plate actuators such as switches and static gas sensors. Parallel plate actuators suffer from an instability problem called the pull-in phenomenon that happens when the applied DC voltage exceeds a certain value called the static pull-in voltage. Electrostatic parallel plate actuators are common in micro-electro-mechanical systems due to their compatibility with micro-fabrication technology.
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