supported by the National Natural Science Foundation of China under projects Nos.42174045 and 41874012 awarded to Yun Shi.
Although global navigation satellite systems(GNSS)have been routinely applied to determine attitudes,there exists no literature on determining angular velocity and/or angular acceleration from GNSS.Motivated by the in...
Integrated optical gyroscopes(IOGs)have been an efficient tool for numerous applications in various fields,including inertial navigation,flight control,and earthquake monitoring.Here,we review the progress of integrat...
This work was supported in part by the National Natural Science Foundation of China(Grant Nos.U2230206,12074058,62371106,and 61971113);the National Key Research and Development Program for Young Scientists(Grant No.2022YFA1405900);the Joint Fund of Ministry of Education(Grant No.8091B022126);the Fundamental Enhancement Program Technology Area Fund(Grant No.2021-JCJQ-JJ-0667);Sichuan Provincial Science and Technology Planning Program of China(Grant Nos.2021YJ0089,2022YFG0230,and 2023YFG0040).
Micro-gyroscopes using micro-electro-mechanical system(MEMS)and micro-optoelectro-mechanical system(MOEMS)are the new-generation and recently well-developed gyroscopes produced by the combinations of the traditional g...
supported by the Army Research Lab under Contract W911NF20C0019.
In this paper,a modification to the eigenmode operation of resonant gyroscopes is introduced.The multi-coefficient eigenmode operation can improve cross-mode isolation due to electrode misalignments and imperfections,...
This study proposes a novel interferometric fiber optic gyroscope(IFOG)based on an integrated optical chip,application-specific integrated circuit,and small-diameter sensing coil.The overall size and weight of the pro...
Sponsored by the National Natural Science Foundation of China(Grant No.51709068).
Owing to the weak observability of the azimuth misalignment angle,alignment accuracy and time are always the contradictory issues in the initial alignment process of Strapdown Inertial Navigation System(SINS),which re...
Dr.Naser El-Sheimy research funds from NSERC and Canada Research Chairs programs(Grant No.RT691875).
Inertial navigation represents a unique method of navigation,in which there is no dependency on external sources of information.As opposed to other position fixing navigation techniques,inertial navigation performs th...
We present a near-navigation-grade interferometric fiber optic gyroscope(IFOG)based on an integrated optical chip.The chip comprises a light source,a photodiode,and a 3 dB coupler within an area of 48 mm^(2).By interr...
This work was supported in part by the DARPA Microsystems Technology Office Single-Chip Timing and Inertial Measurement Unit(TIMU)program through SSC Pacific contract#N66001-11-C-4176。
The theory of eigenmode operation of Coriolis vibratory gyroscopes and its implementation on a thin-film piezoelectric gyroscope is presented.It is shown analytically that the modal alignment of resonant gyroscopes ca...
supported by the National Key R&D Program of China(Grant No.2016YFA0301200);the National Basic Research Program of China(Grant No.2014CB921403);the Science Challenge Project(Grant No.TZ2018003);the National Natural Science Foundation of China(Grants Nos.11774024,11534002,and U1530401)
Coherent quantum noise cancellation(CQNC) method is used to beat standard quantum limit(SQL) for improving the performance of quantum optomechanical gyroscopes. The protocol for realizing CQNC is achieved by construct...