Design and simulation of structurally decoupled 4-DOF MEMS vibratory gyroscope

被引:3
|
作者
Jain, Ankush [1 ]
Gopal, Ram [1 ]
机构
[1] Cent Elect Engn Res Inst, CSIR, MEMS & Microsensors Grp, Pilani 333031, Rajasthan, India
来源
2013 26TH INTERNATIONAL CONFERENCE ON VLSI DESIGN AND 2013 12TH INTERNATIONAL CONFERENCE ON EMBEDDED SYSTEMS (VLSID) | 2013年
关键词
4-DOF vibratory gyroscope; simulation; UV-LIGA; MICROMACHINED GYROSCOPES;
D O I
10.1109/VLSID.2013.218
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
This paper presents design of a structurally decoupled 4-DOF MEMS vibratory gyroscope with increased robustness and gain. The proposed design utilizes dynamic amplification in 2-DOF drive mode oscillator and 2-DOF sense mode oscillator to achieve large gain. The device performance is verified through system level simulations in CoventorWare (R) ARCHITECT3D (SABER) platform, considering 10 mu m thick nickel as structural layer. A wide operational bandwidth of 704 Hz is achieved. Moreover to verify the device performance under the application of angular velocity, a rate table simulation is carried out which resulted in sense mass displacement of 136.2 nm corresponding to the rotation induced Coriolis force at actuation voltage of 20 V-ac and 40 V-dc with angular rotation of 35 rad/s.
引用
收藏
页码:380 / 385
页数:6
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