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Custom measurement systems for angular rate are
specialized setups designed to measure the speed of rotation (°/s or rad/s) around a specific axis
, often used in, automotive safety, aerospace, and robotics applications where high shock, vibration, or precise performance is required. These systems often utilize MEMS (Micro-Electro-Mechanical Systems) technology or specialized optical sensors to deliver high-rate, low-latency, or multi-axis data.
Common Components and Technologies
- MEMS Gyroscopes: These are the core sensing element in most modern custom systems, using the Coriolis effect to detect rotation. They are valued for being small, rugged, and low-power, with capabilities reaching up to $\pm$50,000 deg/sec for high-rate events.
- 6DoF Sensors (Six Degrees of Freedom): These combine angular rate sensors with accelerometers to provide a complete motion picture (3 axes of angular rate, 3 axes of acceleration).
- Signal Conditioning/Custom Electronics: To handle harsh environments (like crash tests), custom packages include built-in amplifiers and filters (up to 2000 Hz) to improve signal quality and reduce noise.
- Data Acquisition Systems (DAQ): Systems like NI-9361 are used to interface with encoders or sensors to measure angular velocity, particularly in lab environments.
Key Customization Options
- Ruggedization: Packages for extreme environments (IP67 rating, shock tolerance > 10,000 g).
- Measurement Range: Ranging from low-speed industrial use to high-rate airbag deployment or ballistic testing ($\pm$100 to $\pm$50,000 deg/sec).
- Multi-Axis Configurations: Customizing single-axis, triaxial (X, Y, Z), or 6DoF sensor mounting blocks to fit specific test articles.
- Output Signal: Customizable analog outputs ($\pm$2V, etc.) or digital outputs.
Examples of Specialized Systems
- Automotive/Biomechanics Testing: DTS ARS PRO sensors are commonly used in crash test dummies for high-speed angular velocity, offering small, lightweight packages (approx. 9 grams).
- Spacecraft/Satellite Control: Star trackers operating in Robotic Shutter (RS) mode are used to measure angular rates for attitude determination by analyzing star spots across different rows of a sensor, which is particularly effective for variable, high-rate rotation.
- High-Spin Projectiles: Customized systems using Sage-Husa Adaptive Kalman Filters (SHAKF) with gyroscopes are used for measuring roll rates in high-speed, high-spin environments.
- Industrial Calibration: Systems like the CS Q-LEAP™ utilize dedicated rotation exciters (DRE-01) for the calibration of angular velocity sensors.
Performance Considerations
- Bandwidth: Higher bandwidth (e.g., 2000 Hz) is critical for capturing fast-changing, high-dynamic events.
- Bias Instability: High-precision, high-performance systems (e.g., ASC 273) offer low bias instability (12 °/hr) for long-duration accuracy.
- Noise: Filtering (e.g., at 10 Hz to 1 kHz) is applied to reduce residual noise in the sensor data.
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DTS ARS PRO & ARS HG Angular Rate Sensors - THP SystemsProduct Overview. This product is designed for use with the DTS Software. World's smallest, ultra-high shock tolerant uniaxis ARS ...THP Systems
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Angular Velocity Measurements Made EasyJul 23, 2025 — EVENTS. DTS ARS PRO is the original high-speed angular velocity rate sensor designed for a wide range of applications, the ARS PRO...Diversified Technical Systems
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ANGULAR RATE AND 6DOF SENSORS - PCB PiezotronicsMEMS gyroscopes have modulated drive frequencies that can impose noise across the bandwidth of the gyro. Our gyroscopes have parti...PCB Piezotronics
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Angular Rate and Acceleration Sensors
Humanetics
https://www.humaneticsgroup.com
› products › mg-sensor
Humanetics
https://www.humaneticsgroup.com
› products › mg-sensor
Angular Rate
& Acceleration Sensors. The
measurement
of
angular velocity
is based on the generally known principle of the Coriolis Effect.
Read more
Angular Velocity Measurements Made Easy
Diversified Technical Systems
https://dtsweb.com
› ars-angular-velocity-measurements...
Diversified Technical Systems
https://dtsweb.com
› ars-angular-velocity-measurements...
DTS ARS PRO
is the original high-speed angular velocity rate sensor designed for a wide range of applications.
Read more
Endevco Angular Rate & 6DoF Sensors
PCB Piezotronics
https://www.pcb.com
› sensors-for-test-measurement › a...
PCB Piezotronics
https://www.pcb.com
› sensors-for-test-measurement › a...
Endevco angular rate sensors
deliver accurate data on an objects dynamic motion. They are available in single axis, triaxial, and 6DoF sensor options.
New iMEMS® Angular-Rate-Sensing Gyroscope
Analog Devices
https://www.analog.com
› analog-dialogue › articles › i...
Analog Devices
https://www.analog.com
› analog-dialogue › articles › i...
Gyroscopes are used to measure angular rate
—how quickly an object turns. The rotation is typically measured in reference to one of three axes: yaw, pitch, or ...
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A Complete Guide to Inertial Measurement Unit (IMU)
JOUAV
https://www.jouav.com
› blog › inertial-measurement-u...
JOUAV
https://www.jouav.com
› blog › inertial-measurement-u...
Apr 17, 2025
—
These units provide real-time data on acceleration,
angular rate
, and orientation, aiding in the execution of dynamic control algorithms that ...
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Angular Rate Gyros (ARS Models)
Watson Industries
https://watson-gyro.com
› Rate Gyros
Watson Industries
https://watson-gyro.com
› Rate Gyros
The ARS is our baseline gyro model. This
angular rate
sensor is small, low power, and high reliability. Rate ranges of up to 300° per second are supported.
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How to Measure Angular Motion with a Gyroscope
enDAQ Blog
https://blog.endaq.com
› how-to-measure-angular-motion
enDAQ Blog
https://blog.endaq.com
› how-to-measure-angular-motion
How do you measure rotation and angular velocity
? Read our practical guide and get a tutorial on how to measure with an enDAQ sensor.
ASC 273 Triaxial Angular Rate Sensors…
Althen Sensors
https://www.althensensors.com
› gyroscope-sensors › as...
Althen Sensors
https://www.althensensors.com
› gyroscope-sensors › as...
Performance. The
ASC 273
is a triaxial MEMS vibrating ring gyroscope developed for precise angular rate measurement in industrial and automotive environments.
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Development of a High Accuracy Angular Measurement ...
NASA (.gov)
https://ntrs.nasa.gov
› api › citations › downloads
NASA (.gov)
https://ntrs.nasa.gov
› api › citations › downloads
PDF
by B Newman
2003
Cited by 4
—
Design of a prototype wind tunnel Angular Measurement System (AMS) depends strongly upon the characteristics and constraints imposed by the wind tunnel ...
Angular Rate Estimation Using a Distributed Set of ...
MDPI
https://www.mdpi.com
› ...
MDPI
https://www.mdpi.com
› ...
by S Park
2011
Cited by 34
—
A distributed accelerometers-based inertial
measurement
unit (IMU) uses only accelerometers to compute a specific force and
angular rate
. It has several ...
Read more