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An inertial measurement unit (IMU) is an electronic device that measures and reports a body's specific force, angular rate, and sometimes the orientation of the body, using a combination of accelerometers, gyroscopes, and sometimes magnetometers. When the magnetometer is included, IMUs are referred to as IMMUs.
Xsens Technologies B.V. (or Xsens) is a supplier of 3D motion capture products and inertial sensors based upon miniature MEMS inertial sensor technology. The company has created intellectual property in the field of multi-sensor data fusion algorithms, combining inertial sensors with aiding technologies such as GPS, Motion capture and biomechanical modeling.
Today's complex systems use multiple approaches to determine current position. For example, today's most advanced navigation systems are embodied within the Anti-ballistic missile, the RIM-161 Standard Missile 3 leverages GPS, IMU and ground segment data in the boost phase and relative position data for intercept targeting. Complex systems ...
In 2011, GPS jamming at the civilian level became a governmental concern. [11] The relative ease in ability to jam these systems has motivated the military to reduce navigation dependence on GPS technology. [12] Because inertial navigation sensors do not depend on radio signals unlike GPS, they cannot be jammed. [13]
The U.S. Global Positioning System (GPS) and other similar Global navigation satellite systems (GNSS) are generally not suitable to establish indoor locations, since microwaves will be attenuated and scattered by roofs, walls and other objects. However, in order to make the positioning signals become ubiquitous, integration between GPS and ...
Direct fusion is the fusion of sensor data from a set of heterogeneous or homogeneous sensors, soft sensors, and history values of sensor data, while indirect fusion uses information sources like a priori knowledge about the environment and human input. Sensor fusion is also known as (multi-sensor) data fusion and is a subset of information fusion.
The appeal of these devices over a mouse and keyboard is the ability to pan, zoom and rotate 3D imagery simultaneously, without stopping to change directions using keyboard shortcuts or a software interface. 3Dconnexion devices are compatible with over 300 applications including Autodesk Inventor, Autodesk Fusion 360, AutoCAD, Siemens NX, CATIA ...
A wireless technology called Ultra Wideband has enabled the position tracking to reach a precision of under 100 mm. By using sensor fusion and high speed algorithms, the tracking precision can reach 5 mm level with update speeds of 200 Hz or 5 ms latency. Pros: User experiences unconstrained movement [3] Allows wider range of motion