Standard gyroscopes

Standard Angular Rate Sensors – Precise Measurement of Angular Velocity and Rotation

Gyroscope sensors, also known as gyroscopes, are used to measure rotational speed (°/s) (or angular velocity) without requiring or having a fixed reference point. This distinguishes gyroscopes from other sensors that measure rotation, such as rotary encoders. Thanks to advanced silicon MEMS sensor technology, our gyroscopes enable accurate measurement of rotational speed even under harsh conditions and high temperatures.

These sensors are used in a wide range of applications, including industrial automation, automotive engineering, robotics, navigation, as well as test and measurement technology. They provide essential data for stabilization, position detection, and motion analysis, making them a key component of modern measurement, control, and navigation systems. Standard angular rate sensors offer a reliable and cost-efficient solution for applications that require precise and stable detection of rotational movements.

In addition to our standard gyroscope sensors, we also offer:

• High-precision gyroscope sensors: Gyroscopes with 1, 2, or 3 axes for use in aviation, rail, and automotive industries, featuring excellent stability and low noise. Measurement range: 25°/s to 900°/s
• Inertial systems: IMU platforms (Inertial Measurement Units) with three accelerometers and three gyroscope sensors for navigation applications. Measurement range: ±75°/s to ±900°/s
• Embedded gyroscope sensors: Designed for direct system integration – space-saving, robust, and cost-efficient. Measurement range: ±25°/s to ±900°/s

How Standard Angular Rate Sensors (Gyroscopes) Work

Angular rate sensors measure angular velocity based on physical effects such as the Coriolis principle. In many modern sensors—especially MEMS-based gyroscopes—a vibrating structure is used.

When the sensor rotates, the Coriolis force acts on this structure, causing a change in its motion. This change is detected and converted into an electrical signal proportional to the rotation rate. In our gyroscope sensors, a vibrating or resonating ring is used, manufactured from silicon using a DRIE (Deep Reactive Ion Etching) process. The ring is suspended by eight pairs of symmetrical spokes. This bulk silicon etching process and the unique, patented ring design provide specific geometric properties with tight tolerances for precise balancing and thermal stability.

Depending on the sensor, the following parameters can be measured:

• Angular velocity (e.g., °/s or rad/s)
• Direction of rotation
• Motion changes in one or multiple axes

Modern angular rate sensors are often available as single-axis or multi-axis systems and can be easily integrated into existing measurement or control systems.

Advantages of Standard Angular Rate Sensors

• Precise detection of rotational movements
  Reliable measurement of angular velocities across various applications.
• Compact design
  Modern sensors are small, lightweight, and easy to integrate.
• High reliability and stability
  Suitable for continuous measurements in industrial environments.
• Cost-efficient standard solutions
  Ideal for applications requiring proven and economical sensor technology.
• Flexible integration
  Various output signals and interfaces enable easy integration into systems.

Typical Applications

Standard angular rate sensors are used across a wide range of industries and applications:

• Vehicle stabilization and navigation
• Robotics and autonomous systems
• Industrial automation and machine control
• Platform stabilization and attitude control
• Test and measurement technology
• Motion analysis and tracking
• Aerospace applications
• Medical technology and assistive systems

How to Choose the Right Angular Rate Sensor

Selecting a suitable sensor depends on the specific requirements of the application:

• Measurement range (angular rate)
  Depending on the application, sensors are required for low or high rotational speeds.
• Accuracy and drift behavior
  Low drift is essential for precise applications.
• Number of measurement axes
  Single-axis or multi-axis sensors are used depending on the application.
• Frequency range and dynamics
  The sensor should match the dynamics of the motion.
• Interfaces and integration
  Analog or digital outputs must be compatible with the target system.

The experts at Althen Sensors & Controls are happy to support you in selecting the right angular rate sensor for your application. Feel free to contact us!