Relevant bibliographies by topics / Hemispherical Shell Resonator

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Hemispherical Shell Resonator'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Hemispherical Shell Resonator"

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Yu, Hao. "Vibration Character Analysis and Calculation for Hemispherical Resonator Gyro." Applied Mechanics and Materials 271-272 (December 2012): 1224–28. http://dx.doi.org/10.4028/www.scientific.net/amm.271-272.1224.

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Hemispherical Resonator Gyro is rotation-sensing instrument and has the merits of reliability and longevity etc. The precision of HRG is depended on the vibration character of hemispherical shells. Using the semi-analytic method, this paper discussed vibration character of hemispherical shell resonator and derived an algorithm of semi-analytic spherical elements. The method applies displacement function with toroidal analysis and axial discrete, so original two dimension problem is reduced to one dimension problem. The new method is very much simplified and can efficiently calculate the correl
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Wang, Renxin, Bing Bai, Wendong Zhang, Huiliang Cao, and Jun Liu. "Manufacture of Hemispherical Shell and Surrounding Eave-Shaped Electrodes." Micromachines 12, no. 7 (2021): 815. http://dx.doi.org/10.3390/mi12070815.

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A hemispherical resonator consists of a hemispherical shell and the surrounding circular electrodes. The asymmetry of a hemispherical shell has influence on the vibrating mode and quality factor. The gap distance from shell to electrode is critical for the capacitance and sensitivity of a hemispherical resonator. To realize a symmetric shell and a small gap, a kind of micro-hemispherical resonator (μHR) structure including sandwich-shaped stacks and eave-shaped electrodes has been developed using a glassblowing process. The blowing process could bring favorable surface roughness and symmetry.
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Yi, Guoxing, Yangguang Xie, Ziyang Qi, and Boqi Xi. "Modeling of Acceleration Influence on Hemispherical Resonator Gyro Forcing System." Mathematical Problems in Engineering 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/104041.

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Acceleration adds negative effect to Hemispherical Resonator Gyro (HRG) output; therefore, it is important to model the influence and then make necessary compensations, accordingly. Based on the elastic thin-shell theory under the Kirchhoff-Love assumption, the acceleration influence on HRG forcing system is modeled and then schemes for incentive are suggested. Firstly, the dynamic model of resonator is introduced. Then, inertial load and electrostatic force are calculated to obtain the deformation of resonator. At last, schemes for pickoff incentive are proposed to weaken the effect of accele
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Wei, Zhennan, Guoxing Yi, Yan Huo, Ziyang Qi, and Zeyuan Xu. "The Synthesis Model of Flat-Electrode Hemispherical Resonator Gyro." Sensors 19, no. 7 (2019): 1690. http://dx.doi.org/10.3390/s19071690.

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The Hemispherical Resonator Gyro (HRG) is a solid-state and widely used vibrating gyroscope, especially in the field of deep space exploration. The flat-electrode HRG is a new promising type of gyroscope with simpler structure that is easier to be fabricated. In this paper, to cover the shortage of a classical generalized Coriolis Vibration Gyroscope model whose parameters are hard to obtain, the model of flat-electrode HRG is established by the equivalent mechanical model, the motion equations of unideal hemispherical shell resonator are deduced, and the calculation results of parameters in t
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Sharma, N. G., Sundararajan T., and G. S. Singh. "Thermoelastic Damping Based Design, Sensitivity Study and Demonstration of a Functional Hybrid Gyroscope Resonator for High Quality Factor." Giroskopiya i Navigatsiya 29, no. 1 (2021): 70–96. http://dx.doi.org/10.17285/0869-7035.0057.

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The most critical element of Hemispherical Resonator Gyroscope (HRG) is the high quality factor (Q-factor) mechanical resonator. This paper discusses the role of thermoelastic damping (TED) on effective Q-factor. Finite element method (FEM) is used to solve this highly coupled field problem involving vibration, solid mechanics, heat transfer and thermodynamics. The major contribution of this paper is the sensitivity analysis of the effect of material property, operating temperature and dimensions to arrive at macro scale resonator configuration. Hybrid hemispherical-cylindrical configuration i
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Sharma, G. N., Sundararajan T., and G. S. Singh. "Effect of Geometric Imperfections on Anchor Loss and Characterisation of a Gyroscope Resonator with High Quality Factor." Giroskopiya i Navigatsiya 28, no. 3 (2020): 18–31. http://dx.doi.org/10.17285/0869-7035.0037.

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A critical functional part of a hemispherical resonator gyroscope (HRG) is the mechanical resonator, and a few million quality factor (Q-factor) is needed for the lowest resolution. This paper focuses on anchor loss of a HRG of a few millimeters in size. A detailed parametric study of dimensions and shell imperfections due to fabrication is carried out. A sensitivity study of the effect of shell mean radius, shell thickness, stem radius, stem height on the Qanchor is carried out. The effect of geometric imperfections such as shell offset, shell tilt, shell thickness variation, and unbalance is
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Xu, Zeyuan, Weidong Zhu, Guoxing Yi, and Wei Fan. "Dynamic modeling and output error analysis of an imperfect hemispherical shell resonator." Journal of Sound and Vibration 498 (April 2021): 115964. http://dx.doi.org/10.1016/j.jsv.2021.115964.

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Huo, Yan, Shunqing Ren, Zhennan Wei, and Guoxing Yi. "Standing Wave Binding of Hemispherical Resonator Containing First–Third Harmonics of Mass Imperfection under Linear Vibration Excitation." Sensors 20, no. 19 (2020): 5454. http://dx.doi.org/10.3390/s20195454.

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Due to complicated processing technology, the mass distribution of a hemispherical resonator made of fused silica is not uniform, which can affect the azimuth of the standing wave of a resonator under the linear vibration excitation. Therefore, the analysis of standing wave evolution of a resonator with mass imperfection under linear vibration excitation is of significance for the improvement of the output accuracy of a gyroscope. In this paper, it is assumed that the resonator containing the first–third harmonics of mass imperfection is excited by horizontal and vertical linear vibration, res
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Schiele, Frank, and Bernd Gundelsweiler. "Design and Characterization of a Planar Motor Drive Platform Based on Piezoelectric Hemispherical Shell Resonators." Actuators 10, no. 8 (2021): 187. http://dx.doi.org/10.3390/act10080187.

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In this study, a planar ultrasonic motor platform is presented that uses three half-side excited piezoelectric hemispherical shell resonators. To understand the working principle and the harmonic vibration behavior of the piezoelectric resonator, the trajectory of the friction contact was measured in free-oscillating mode at varying excitation frequencies and voltages. The driving performance of the platform was characterized with transport loads up to 5 kg that also serve as an influencing downforce for the friction motor. The working range for various transport loads and electrical voltages
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Basarab, M. A., V. A. Matveev, B. S. Lunin, and S. V. Fetisov. "Influence of nonuniform thickness of hemispherical resonator gyro shell on its unbalance parameters." Gyroscopy and Navigation 8, no. 2 (2017): 97–103. http://dx.doi.org/10.1134/s207510871702002x.

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Dissertations / Theses on the topic "Hemispherical Shell Resonator"

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Sorenson, Logan D. "Design and analysis of microelectromechanical resonators with ultra-low dissipation." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/52910.

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This dissertation investigates dissipation in microelectromechanical (MEMS) resonators via detailed analysis and modeling of the energy loss mechanisms and provides a framework toward creating resonant devices with ultra-low dissipation. Fundamental mechanisms underlying acoustic energy loss are explored, the results of which are applied to understanding the losses in resonant MEMS devices. Losses in the materials, which set the ultimate limits of the achievable quality factor of the devices, are examined. Other sources of loss, which are determined by the design of the resonator, are investig
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(9524552), Calvin Mitchell Jones. "Analysis of Pop-Up Rings for the Fabrication of Giant MEMS Hemispheric Shell Resonators." Thesis, 2020.

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Fabrication of hemispherical structures for application in hemispherical resonator gyro-scopes (HRG) is an integral part of modern sensing systems, especially in relation to space navigation. First, it is important for these structures to be as symmetric as possible in order to accurately track both in-plane and out-of-plane acceleration that occurs in fast moving satellites and space crafts. Next, they need to be larger for easier application in current mm scale systems and to maintain a lower noise floor and high quality factor. The work in this paper introduces a methodology for the analyza
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Conference papers on the topic "Hemispherical Shell Resonator"

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Liu, Jiewen, Joshua Jaekel, Dharamdeo Ramdani, Nabeel Khan, David S. K. Ting, and Mohammed Jalal Ahamed. "Effect of Geometric and Material Properties on Thermoelastic Damping (TED) of 3D Hemispherical Inertial Resonator." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66277.

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High quality factor (Q-factor) is a crucial parameter for the development of precision inertial resonators. Q-factor indicates efficiency of a resonator in retaining its energy during oscillations. This paper explores the effects of different design parameters on Q-factor of a 3D hemispherical (wine-glass) inertial resonator. Thermo-elastic damping (TED) loss mechanisms in a 3D non-inverted wine-glass (hemispherical) shell resonator is systematically investigated and presented in this paper. We investigated TED loss resulting from the effects of hemisphere geometric parameters (such as thickne
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Zhang, Yuzhen, Jiafeng Xu, Yu Zou, Bin Luo, Jintang Shang, and Ching-Ping Wong. "A micro hemispherical glass shell resonator for online liquid density sensing of microfluidics." In 2015 IEEE 65th Electronic Components and Technology Conference (ECTC). IEEE, 2015. http://dx.doi.org/10.1109/ectc.2015.7159822.

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Rahman, Md Mahbubur, Yan Xie, Carlos Mastrangelo, and Hanseup Kim. "3-D hemispherical micro glass-shell resonator with integrated electrostatic excitation and capacitive detection transducers." In 2014 IEEE 27th International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2014. http://dx.doi.org/10.1109/memsys.2014.6765730.

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Heidari, A., M. L. Chan, H. A. Yang, et al. "Micromachined polycrystalline diamond hemispherical shell resonators." In 2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII). IEEE, 2013. http://dx.doi.org/10.1109/transducers.2013.6627293.

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Mehanathan, Nishanth, Vahid Tavassoli, Peng Shao, Logan Sorenson, and Farrokh Ayazi. "Invar-36 Micro Hemispherical Shell Resonators." In 2014 IEEE 27th International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2014. http://dx.doi.org/10.1109/memsys.2014.6765568.

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Chan, M. L., J. Xie, P. Fonda, et al. "MICROMACHINED POLYCRYSTALLINE DIAMOND HEMISPHERICAL SHELL RESONATORS." In 2012 Solid-State, Actuators, and Microsystems Workshop. Transducer Research Foundation, 2012. http://dx.doi.org/10.31438/trf.hh2012.94.

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Luo, Bin, Jintang Shang, and Yuzhen Zhang. "Hemispherical glass shell resonators fabricated using Chemical Foaming Process." In 2015 IEEE 65th Electronic Components and Technology Conference (ECTC). IEEE, 2015. http://dx.doi.org/10.1109/ectc.2015.7159911.

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Torunbalci, Mustafa Mert, Sen Dai, Ajay Bhat, and Sunil A. Bhave. "Acceleration insensitive hemispherical shell resonators using pop-up rings." In 2018 IEEE Micro Electro Mechanical Systems (MEMS). IEEE, 2018. http://dx.doi.org/10.1109/memsys.2018.8346716.

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Kanik, M., P. Bordeenithikasem, J. Schroers, et al. "Microscale three-dimensional hemispherical shell resonators fabricated from metallic glass." In 2014 International Symposium on Inertial Sensors and Systems (ISISS). IEEE, 2014. http://dx.doi.org/10.1109/isiss.2014.6782500.

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Sorenson, L. D., X. Gao, and F. Ayazi. "3-D micromachined hemispherical shell resonators with integrated capacitive transducers." In 2012 IEEE 25th International Conference on Micro Electro Mechanical Systems (MEMS). IEEE, 2012. http://dx.doi.org/10.1109/memsys.2012.6170120.

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Journal articles
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