“Tunnel Guide” Feature for GPS-Aided INS Improves Performance During GNSS Outage

Posted by Will Dillingham on Jul 27, 2020 10:08:58 AM

Defining the Problem

For years Inertial Labs has produced high accuracy Inertial Navigation Systems (INS) at the world’s best price-performance ratio. An INS estimates the position, attitude, and velocity using the gyroscopes and accelerometers contained inside an inertial measurement unit (IMU). Position accuracy can be greatly improved when the INS is aided by Global Navigation Satellite System (GNSS). However, GNSS is not always available. Customer requirements demand for better performance of an INS during a GNSS outage. Outages can be caused by tunnels, urban canyons, roads under bridges, etc. 

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Topics: Motion Capture, GPS Denied Navigation, GPS-Aided Navigation, Stabilization, Aiming, Pointing, Surveying, Mapping, Navigation

Gyroscopes and the History of Stabilization for Remote Weapons Stations

Posted by Will Dillingham on May 11, 2020 5:43:09 PM

 

What is a Remote Weapons Station?

A Remote Weapons Station (RWS) is a remotely operated weapons platform that utilizes light and medium caliber artillery shells. Typically, an RWS contains sensing components (angular rates, accelerations, etc.), motor drives, a turret, and a computer. Today, companies like Electro Optic Systems Pty Ltd are patenting next generation Electro Optic RWS that are gyro-stabilized, combat ready, and built for precision targeting(1).

Since the two most important characteristics for an RWS are aiming speed and accuracy, advanced methods of stabilization are required to ensure that targets are correctly dealt with. The most important component in this task is the gyroscope.

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Topics: Insider, Stabilization, Aiming, Pointing, orientation

Using Optics to Stabilize and Simulate Indirect Fire Control

Posted by Will Dillingham on Apr 1, 2020 3:30:00 AM

Aiding with Optics

The main limitation for many microelectromechanical (MEMS) based inertial measurement units (IMUs) is the realization that drift will always be a factor when left uncompensated for. In today's market many solutions have been developed using GNSS data, magnetics, or optical sensors.

Optical data, when fused with an IMU, is useful for both dynamic and static applications depending on the level of computer vision implemented into the system. By using the IMU as a reference for orientation, optical data can be used to mitigate drift of the gyroscopes.

Inertial Labs has been continuously developing next generation systems that can use a combination of day and night operation cameras to stabilize heading.

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Topics: Stabilization, Aiming, Pointing, orientation, Simulation

Attitude and Heading Reference System (AHRS) Supports Data Input From External Single or Dual GNSS Receiver

Posted by Will Dillingham on Mar 20, 2020 5:45:00 AM

Value Added AHRS

Since its first release, the Inertial Labs Attitude and Heading Reference System (AHRS) has continued to develop and improve in its performance as well as its integration abilities. The newest addition, the AHRS-II-P, is a compact, lightweight, and affordable solution both as a standalone reference unit or a solution where applications involving the integration of an external compass or GNSS receiver may be needed to improve an existing system. Although the AHRS-II-P comes standard with an embedded fluxgate magnetometer to determine accurate Heading, input is supported for an external magnetic compass to increase static and dynamic accuracy. The AHRS-II-P offers advantages over its competitors present on the market by recording and transmitting very accurate Heading, Pitch and Roll; a very appealing choice for applications involving motion control such as UAV’s, aircrafts, ships, or robotic devices.

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Topics: Stabilization, Aiming, Pointing, orientation

Counter UAS Upgrades for Better Accuracy in Dynamic Applications

Posted by Will Dillingham on Mar 16, 2020 2:53:57 PM

Protection

Since there initiation into the market in 2015, OpenWorks Engineering has been seeking to revolutionize the industry of security. While many industries focus primarily on offensive strategies for Autonomous Unmanned Systems (AUS) protection, OpenWorks has pushed an innovative solution that revolutionizes the defensive playing field. In the beginning of 2018, Openworks began it's partnership with Inertial Labs and entered testing phases for it's most successful product line, SkyWall.


 

                                
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Topics: GPS-Aided Navigation, Stabilization, Aiming, Pointing, Navigation, UAV


Inertial Labs Inc.

Solutions for all PNT Applications

Established in 2001, Inertial Labs is a leader in position and orientation technologies for commercial, industrial, aerospace and defense applications. Inertial Labs has a worldwide distributor and representative network covering 20+ countries across 6 continents and a standard product line spanning from Inertial Measurement Units (IMU) to GPS-Aided Inertial Navigation Systems (INS). With application breadth on Land, Air, and Sea; Inertial Labs covers the gambit of inertial technologies and solutions.

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