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Dual-axis angular rate turntables are critical precision instruments used to calibrate and test gyroscopes and Inertial Measurement Units (IMUs) by simulating complex motion scenarios. They provide precise angular position, velocity, and acceleration references across two axes, enabling the identification of errors like bias drift, scale factor inaccuracies, and misalignment in aerospace, navigation, and defense applications.

Key Uses in Gyroscope Testing:

Error Calibration: The turntable rotates the IMU/gyroscope to specific orientations (e.g., in a 12- or 16-position scheme) to isolate and calibrate gyro errors such as constant bias, scale factor, and non-orthogonal mounting angles.
Rotation Modulation: Dual-axis systems periodically rotate the gyroscope to modulate or cancel out long-term drift errors, significantly improving the performance of inertial navigation systems.
Dynamic Performance Evaluation: The table simulates dynamic environments (e.g., high-spin projectile rotation) to evaluate the gyroscope’s output rate during motion.
Performance Verification: Used for testing MEMS, fiber optic, and laser gyros, specifically in validating rate-biased modes in ring laser gyros (RLG).
Environmental Simulation: Acts as a two-axis shaker to test the sensitivity of sensors to angular vibration and movement.

High Precision: Offers high-accuracy rotation and stable rate output.
Reduced Testing Time: Advanced multi-position, dual-axis tests (e.g., 20-position) can separate and identify, and thus mitigate, multiple error sources more effectively than older methods.
Flexibility: Provides both position-based calibration (positioning the gyro at specific angles relative to gravity) and rate-based calibration (rotating the gyro at specific speeds).

A Self-Calibration Method for Dual-axis Rotational Inertial ...
Inertial navigation systems (INS) use inertial measurement units (IMU), such as gyroscopes and accelerometers, to measure a vehicl...
The Institute of Navigation
A Calibration Method for the Errors of Ring Laser Gyro in Rate ... - PMC
The Internal Structure Characteristics of the Two-axis Turntable
Jul 20, 2023 — The integrated two-axis calibration turntable adopts the design form of the integration of platform body and electronic control. O...
Ericco Inertial Technology

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A Self-Calibration Method for Dual-axis Rotational Inertial ...

The Institute of Navigation

https://navi.ion.org › content › navi

The Institute of Navigation

https://navi.ion.org › content › navi

by Z Liu2025Cited by 2 — Simulation-based and experimental results demonstrate that the proposed approach effectively reduces attitude and velocity errors under both static and rotation ...Read more

Dual Axis Position Rate Turntable Supplier - ERICCO China

Ericco Inertial Technology

https://www.ericcointernational.com › double-axis-posit...

Ericco Inertial Technology

https://www.ericcointernational.com › double-axis-posit...

With mature and reliable technology, it can be used in the measurement and calibration of gyroscope, inertial group, accelerometer and other inertial devices.Read more

Missing: ~~Usage~~ ‎| Show results with: Usage

Enhanced Dual-Axis Rotation Modulation Scheme for Inertial ...

PubMed Central (PMC) (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC13030561

PubMed Central (PMC) (.gov)

https://pmc.ncbi.nlm.nih.gov › articles › PMC13030561

by H Chen2026 — Simulations show that the proposed scheme reduces position and velocity errors by more than compared to a 16-position scheme, and decreases longitude error, ...Read more

OEM Angular rate measurement with Dual Axis Turntable ...

memsmag.com

https://www.memsmag.com › angular-rate-measurement-...

memsmag.com

https://www.memsmag.com › angular-rate-measurement-...

The dual axis testing turntable consists of two main parts: a mechanical platform and a measurement and control system. It adopts a U-T or U-O structure and ...

Dual-axis test rate table selection guide

Jiujiang RUYA Precision Technology Co., Ltd

https://www.ruyaturntable.com › news › dual-axis-test-ra...

Jiujiang RUYA Precision Technology Co., Ltd

https://www.ruyaturntable.com › news › dual-axis-test-ra...

Feb 5, 2026 — Their primary function is to provide high-precision angular position, angular rate, and dynamic motion references for loads such as inertial ...Read more

A 2-AXIS GYROSCOPE WITH A SYNCHRONOUSLY- ...

Purdue University

https://engineering.purdue.edu › PDFs › Papers

Purdue University

https://engineering.purdue.edu › PDFs › Papers

PDF

by T AkashiCited by 3 — When the turntable is rotated at rate Ω0, the inclined stage provides the gyroscope with 2-axis angular rates simultaneously. This means that for stage angle θ, ...Read more

CN105588583B - A Dual-Axis Angular Rate Gyro Coupling Error ...

Google Patents

https://patents.google.com › patent

Google Patents

https://patents.google.com › patent

The invention discloses a dual-axis angular rate gyro coupling error compensation method. The method includes: (1) fixing the dual-axis angular rate gyro on ...

The impact of turntable error on MEMS gyroscope calibration

LinkedIn · Kelly Yu

1 reaction · 2 years ago

LinkedIn · Kelly Yu

1 reaction · 2 years ago

MEMS gyro calibration is to give the MEMS gyro a stable angular rate input through the input of the turntable, then collect the output of the ...Read more

A multi-position self-calibration method for dual-axis ...

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

by Q Ren2014Cited by 96 — This method has been successfully applied in the calibration of SINS in laboratory. However, its performance depends on accuracy of the turntable, because the ...Read more

System error and calibration of MEMS gyroscope

Medium · Kelly Yu

2 years ago