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Related Experiment Video

Updated: May 18, 2026

Reduced-gravity Environment Hardware Demonstrations of a Prototype Miniaturized Flow Cytometer and Companion Microfluidic Mixing Technology

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A micro-machined gyroscope for rotating aircraft.

Qingwen Yan¹, Fuxue Zhang, Wei Zhang

¹School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China. qingwenxp@yahoo.com.cn

Sensors (Basel, Switzerland)

|September 27, 2012

Summary

This study introduces a novel silicon micromachined gyroscope for stabilizing rotating aircraft autopilots. The device accurately measures angular rates using a vibrating silicon pendulum, achieving high resolution and low bias.

Keywords:

gyroscope rotating aircraft silicon micromachining

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Area of Science:

Microelectromechanical Systems (MEMS)
Aerospace Engineering
Sensor Technology

Background:

Autopilot systems in rotating aircraft require precise stabilization.
Traditional gyroscopes may face limitations in size, power, or performance for specific applications.
Silicon micromachining offers a pathway to miniaturized and robust sensor solutions.

Purpose of the Study:

To present the design, fabrication, and packaging of a new silicon micromachined gyroscope.
To demonstrate its application in stabilizing the autopilot of rotating aircraft.
To evaluate the performance characteristics of the developed gyroscope.

Main Methods:

Design and fabrication of a novel gyroscope utilizing silicon micromachining.
Operation based on a silicon pendulum oscillating between torsion girders to detect Coriolis force.
Measurement of oscillation frequency and amplitude proportional to the carrier's angular rate.
Signal linearization to generate a modulated pulse for autopilot control.

Main Results:

The gyroscope successfully detects the Coriolis force through pendulum oscillation.
Output signal linearization provides a modulated pulse for aircraft control.
Achieved a high resolution of 0.008 °/s.
Demonstrated a low bias of 56.18 °/h.

Conclusions:

The developed silicon micromachined gyroscope is suitable for stabilizing rotating aircraft autopilots.
The device offers high precision and low bias, meeting critical performance requirements.
This work highlights the potential of MEMS technology in advanced aerospace applications.