IMU

Your Leading IMU Supplier

Qingdao ZITN Technology is a premier manufacturer of high-end sensors, hybrid integrated circuits(HIC), HTHP MWD/LWD solution,DTS/DAS solutions. We ZITN Technology are recognized as a national-level specialized, sophisticated, and distinctive company, and a Shandong Provincial Manufacturing Champion, underscoring our leadership and innovation in the field.

Over 23 years of dedicated innovation, we have developed two flagship product series known for "High-Precision & High-Reliability" and "High-Temperature & High-Reliability," serving extreme environments in aerospace, and deep-earth/sea exploration. Ousolutions are trusted by over 800 clients across more than 30 countries worldwide.

Inertial Measurement Unit IMU
Delivering real-time, accurate data
Precisely calibrated gyroscope and accelerometer
High-performance satellite navigation module
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Why Choose Us?

One-stop solution

We provide a full industrial chain from chip design to system integration. All key steps are completed in-house. This ensures high efficiency, strong quality control, and fast delivery.

Professional team

We have more than 350 employees, with over 40% technical specialists. Many team members are national and regional high-level experts. We invest over 20% of our resources in R&D every year.

Advanced R&D and manufacturing base

Our self-owned industrial park covers more than 20,000 square meters. It supports both research and mass production. We can develop and produce high-precision and high-reliability sensors and ICs.

Advanced equipment

We operate multiple specialized workshops for microelectronics and sensors. Over 2,000 sets of advanced equipment support our work. This ensures stable production and strong industrialization ability.

Types of IMU：

MEMS IMU:

MEMS Inertial Measurement Units use Micro-Electro-Mechanical Systems (MEMS) technology, where small mechanical components are integrated with electronics on a microchip. The primary advantages of MEMS IMUs are their small size, low cost, and low power consumption. These features make MEMS IMUs ideal for applications in consumer electronics, automotive systems, and increasingly in military applications as well.

FOG IMU:

FOG IMUs utilize fiber optic gyroscopes (FOGs) to measure angular velocity, which enables them to provide extremely high precision and stability. This makes FOG IMUs ideal for applications that require minimal drift and long-term reliability, such as aerospace navigation, missile guidance, and high-end robotics.

Consumer Grade IMUs

Consumer-grade IMUs are made for automotive and commercial use. They don’t have added calibration, and they require significant integration time. These units are most commonly found in cell phones.

Industrial Grade IMUs

Industrial-grade IMUs are slightly more expensive than consumer-grade but are still moderately cost-effective. These pieces are able to navigate in a GPS-denied environment for up to one minute. They are typically used in vehicles and industrial robotics.

Tactical Grade IMUs

Tactical grade IMUs have significantly higher specifications than industrial and consumer. Tactical grade units can navigate in GPS-denied environments for up to 10 minutes. They have improved acceleration and in-run gyro bias stability. In other words, the sensor’s bias has greatly increased accuracy. These tactical-grade units are used in applications that need excellent capabilities and are not stifled by low budgets. They are most often used in military applications, ground robots, vehicles attempting to navigate in GPS-denied environments, and robotics.

Navigational Grade IMUs

Navigational grade IMUs are those that are rarely used in commercial applications with budget constraints.They are used for navigating in GPS-denied environments for hours at a time. The extremely high specs available in inertial measurement units are used in commercial airlines, satellites, and space shuttles.

Advantages of IMUs：

Small, lightweight, and relatively inexpensive.

IMUs, such as GPS, are typically much smaller and lighter than other navigation systems, which makes them ideal for applications that require size and weight, such as robotics and wearable devices.

It can be used in a variety of environments.

IMUs can be used in various environments, including those without GPS, which makes them ideal for applications such as navigation in tunnels or underground.

Can provide continuous measurements.

IMUs can provide continuous measurements, even when the object moves rapidly, making them ideal for tracking a vehicle’s or a person’s motion.

Applications of IMU:

Drones and UAVs: IMUs are crucial for flight control, stabilization, and navigation, particularly in GPS-denied environments. They enable autonomous flight and precise maneuvering.

Robotics: IMUs provide robots with the sense of motion and orientation needed for navigation, manipulation, and interaction with their environment.

Automotive and autonomous vehicles: IMUs contribute to advanced driver-assistance systems (ADAS) like lane keeping assist and electronic stability control. They also play a vital role in autonomous vehicle navigation, especially when GPS signals are unavailable.

Aerospace and aviation: IMUs are essential for aircraft and spacecraft navigation, attitude control, and flight management systems. They are critical for inertial navigation in space where GPS is not available.

Military and defense: IMUs are used in missile guidance systems, soldier tracking, unmanned vehicles, and other defense applications where high accuracy and reliability are paramount.

Virtual and augmented reality (VR/AR): IMUs track head and body movements, creating immersive and interactive experiences in VR and AR applications.

Wearables and health monitoring: IMUs in fitness trackers and smartwatches monitor activity levels, track sleep patterns, and detect falls.

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FAQ

Q: What is an IMU and how does it work?

A: An IMU (Inertial Measurement Unit) is a device that measures motion and orientation using a combination of sensors. It typically contains accelerometers, gyroscopes, and sometimes magnetometers. These sensors work together to track movement in three-dimensional space by measuring linear acceleration, rotational movement, and magnetic field orientation.

Q: How accurate are IMUs?

A: IMU accuracy varies by type and quality. MEMS IMUs typically offer moderate accuracy suitable for consumer devices, while fiber optic and RLG IMUs provide higher precision for professional applications. Sampling rates range from 100-2000 Hz depending on the sensor type, with accuracy levels varying from 0.1 to 10 degrees per hour.

Q: How often do IMUs need calibration?

A: IMUs typically require calibration based on usage intensity and environmental conditions. Consumer-grade devices might need calibration every few months, while professional-grade units may require calibration annually or when performance degradation is noticed.

Q: What is a 6 axis IMU?

A: A 6-axis IMU (Inertial Measurement Unit) is a tiny sensor chip combining a 3-axis accelerometer and a 3-axis gyroscope, measuring motion across six directions: roll, pitch, yaw (rotation), plus forward/backward, up/down, and side-to-side (linear movement), crucial for precise orientation and movement tracking in drones, phones, cars, and high-end motorcycles.

Q: What is a tactical grade IMU?

A: Tactical-grade inertial measurement units (IMUs) enable accurate and reliable navigation in complex and GPS-denied environments. These sensors are engineered for high precision and robustness across land, air, sea, and space applications.

Q: What is a mems IMU?

A: A MEMS IMU typically comprises three accelerometers and three gyroscopes, each aligned along orthogonal axes. This configuration allows the device to measure linear acceleration and angular rate, which are crucial for calculating an object's orientation and velocity without external references.

Q: What is the difference between 6-axis and 9 axis IMU?

A: The added axes in a 9-axis IMU also help correct drift over time, offering more stable heading information compared to a 6-axis IMU. This makes 9-axis IMUs especially useful for tasks like navigation and attitude alignment in various fields, including autonomous vehicles and gaming.

Q: What is fog IMU?

A: As the name suggests, FOG is a type of IMU that uses fibre-optics to measure the angular velocity or rotational rate of any object. Due to the low noise of fibre-optic gyroscopes, the technology has been widely adopted for demanding navigation applications.

As one of the most professional imu manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy high-grade imu for sale here from our factory. We also accept customized orders.

imu, Inertial Measurement Unit IMU