An Improved Phase Lock Loop for Micromechanical Gyroscope with a Carrier Modulation

摘要：

　　This paper presents an improved phase lock loop for a micromechanical vibrating gyroscope with a carrier modulation.The loop keeps the gyroscope working at the resonant frequency of its drive mode.Digital signal processing is adopted in design of the loop and Xilinx virtex4 series FPGA is used.Compare with the conventional way,it decreases the resources in FPGA including registers,LUTs,and DSP48s.The realization shows a reduction of 51.06% for registers,52.68% for LUTs and 18.18% for DSP48s.Besides,the loop has good portability for different devices which have different resonant frequencies due to the fabrication error.No adjustment is needed unlike the conventional loop whose reference phase has to be adjusted manually.

关键词： FPGA, PLL, micromechanical gyroscope

作者: Shichang Hu Huijie Zhu Mingjun Ma Yidong Liu Zhonghe Jin

作者单位: Micro-Satellite Research Center, Zhejiang University, Hangzhou, China

会议类型: 国际会议

会议名称: 中国微米纳米技术学会第14届学术年会、第3届国际年会暨第6届微米纳米技术“创新与产业化国际研讨与展览会(CSMNT2012 & ICMAN2012)

会议地点: 杭州

会议语种:英文

页码: 1-5

在线出版日期: 2012-11-04（万方平台首次上网日期，不代表论文的发表时间）