Outputs (11)

Nonlinear performance enhancement of imperfect ring-based Coriolis Vibratory Gyroscopes (2024)
Presentation / Conference Contribution
Arifin, D., & Mcwilliam, S. (2024, July). Nonlinear performance enhancement of imperfect ring-based Coriolis Vibratory Gyroscopes. Presented at 14th International Conference on Recent Advances on Structural Dynamics, Southampton, UK

The rate sensing performance of ring-based capacitive Coriolis Vibratory Gyroscopes (CVGs) is susceptible to the effects of imperfections and electrostatic nonlinearities. This research investigates the use of the nonlinear electrostatic forces to nu... Read More about Nonlinear performance enhancement of imperfect ring-based Coriolis Vibratory Gyroscopes.

Improving the frequency stability of capacitive ring-based Coriolis Vibrating Gyroscopes (2024)
Presentation / Conference Contribution
Arifin, D., & Mcwilliam, S. (2024, July). Improving the frequency stability of capacitive ring-based Coriolis Vibrating Gyroscopes. Presented at 14th International Conference on Recent Advances on Structural Dynamics, Southampton, UK

MEMS capacitively operated ring-based Coriolis vibratory gyroscopes are used to measure angular rate. Under standard operating conditions the ring is driven into resonance and Coriolis coupling generates a response that is proportional to the applied... Read More about Improving the frequency stability of capacitive ring-based Coriolis Vibrating Gyroscopes.

Electrostatic Nonlinear Trimming of Ring-Based MEMS Coriolis Vibrating Gyroscopes (2022)
Presentation / Conference Contribution
Arifin, D. J., & Mcwilliam, S. (2022, July). Electrostatic Nonlinear Trimming of Ring-Based MEMS Coriolis Vibrating Gyroscopes. Presented at 10th European Nonlinear Dynamics Conference (ENOC 2022), Lyon, France

The effects of electrostatic nonlinearity on rate measuring performance of a capacitive MEMS Coriolis Vibrating Gyroscope (CVG) with an imperfect sensing element are investigated. The electrostatic nonlinearity is a result of large amplitude vibratio... Read More about Electrostatic Nonlinear Trimming of Ring-Based MEMS Coriolis Vibrating Gyroscopes.

Effects of electrostatic nonlinearity on the rate measuring performance of ring based Coriolis Vibrating Gyroscopes (CVGs) (2022)
Journal Article
Arifin, D., & McWilliam, S. (2022). Effects of electrostatic nonlinearity on the rate measuring performance of ring based Coriolis Vibrating Gyroscopes (CVGs). Sensors and Actuators A: Physical, 340, Article 113539. https://doi.org/10.1016/j.sna.2022.113539

Electrostatic nonlinearities are the dominant source of nonlinearity in ring-based capacitive Coriolis Vibrating Gyroscopes (CVGs) and have potential to parametrically amplify the sense response of the ring resonator and enhance measurement sensitivi... Read More about Effects of electrostatic nonlinearity on the rate measuring performance of ring based Coriolis Vibrating Gyroscopes (CVGs).

Effects of mechanical non-linearity on the dynamic behaviour of ring-based inertial rate sensors (2019)
Presentation / Conference Contribution
Popov, A. A., Napoli, V. D., & McWilliam, S. (2019, September). Effects of mechanical non-linearity on the dynamic behaviour of ring-based inertial rate sensors. Presented at 41st International Conference on Vibroengineering, Leipzig, Germany

© 2019 Violetta Di Napoli, et al. This paper presents a mathematical model to describe the 2 in-plane response of supported ring-based MEMS Coriolis Vibrating Gyroscopes (CVGs), including mechanical non-linearity in ring and support structures. Whils... Read More about Effects of mechanical non-linearity on the dynamic behaviour of ring-based inertial rate sensors.

Nonlinear electrostatic effects in MEMS ring-based rate sensors under shock excitation (2019)
Journal Article
Sieberer, S., Mcwilliam, S., & Popov, A. A. (2019). Nonlinear electrostatic effects in MEMS ring-based rate sensors under shock excitation. International Journal of Mechanical Sciences, 157-158, 485-497. https://doi.org/10.1016/j.ijmecsci.2019.04.028

The vibration response of a capacitive ring-based Coriolis Vibrating Gyroscope (CVG) subjected to in-plane shock is modelled and analysed to quantify the effect of shock on angular velocity measurement. The model developed considers a ring resonator... Read More about Nonlinear electrostatic effects in MEMS ring-based rate sensors under shock excitation.

Effect of nonlinear electrostatic forces on the dynamic behaviour of a capacitive ring-based Coriolis Vibrating Gyroscope under severe shock (2018)
Journal Article
Chouvion, B., McWilliam, S., & Popov, A. A. (2018). Effect of nonlinear electrostatic forces on the dynamic behaviour of a capacitive ring-based Coriolis Vibrating Gyroscope under severe shock. Mechanical Systems and Signal Processing, 106, https://doi.org/10.1016/j.ymssp.2017.12.043

This paper investigates the dynamic behaviour of capacitive ring-based Coriolis Vibrating Gyroscopes (CVGs) under severe shock conditions. A general analytical model is developed for a multi-supported ring resonator by describing the in-plane ring re... Read More about Effect of nonlinear electrostatic forces on the dynamic behaviour of a capacitive ring-based Coriolis Vibrating Gyroscope under severe shock.

Simply-supported multi-layered beams for energy harvesting (2016)
Journal Article
Patel, R., Tanaka, Y., McWilliam, S., Mutsuda, H., & Popov, A. A. (2017). Simply-supported multi-layered beams for energy harvesting. Journal of Intelligent Material Systems and Structures, 28(6), https://doi.org/10.1177/1045389X16657418

This paper develops an analytical model for predicting the performance of simply-supported multi-layered piezoelectric vibrating energy harvesters. The model includes the effects of material and geometric nonlinearities, as well as axial pre-tension/... Read More about Simply-supported multi-layered beams for energy harvesting.

Model refinements and experimental testing of highly flexible piezoelectric energy harvesters (2016)
Journal Article
Patel, R., Tanaka, Y., McWilliam, S., Mutsuda, H., & Popov, A. A. (2016). Model refinements and experimental testing of highly flexible piezoelectric energy harvesters. Journal of Sound and Vibration, 368, https://doi.org/10.1016/j.jsv.2016.01.005

This paper addresses limitations to existing analytical models for piezoelectric energy harvesters. The presented model is targeted at predicting behaviours of highly flexible piezoelectric devices (FPEDs) and includes high orders of substrate and pi... Read More about Model refinements and experimental testing of highly flexible piezoelectric energy harvesters.

An investigation on thermoelastic damping of high-Q ring resonators (2015)
Journal Article
Hossain, S. T., McWilliam, S., & Popov, A. A. (2016). An investigation on thermoelastic damping of high-Q ring resonators. International Journal of Mechanical Sciences, 106, 209-219. https://doi.org/10.1016/j.ijmecsci.2015.12.023

For applications requiring high performance angular rate measurements it is important to be able to design MEMS rate sensors with high quality factors (Q). This paper considers ring resonator based rate sensors and investigates the influence of desig... Read More about An investigation on thermoelastic damping of high-Q ring resonators.