Inertial Labs MRU-ES and Autonomous Underwater Vehicles

Posted by Inertial Labs on Jun 9, 2021 4:08:47 PM

Overview

Exploring our planet's oceans is a tradition that goes back centuries. Humans have an intrinsic curiosity that is fueled by a desire to learn about our surroundings.  Motivated by this desire, we have continued to make advancements in marine navigation technology that has enabled us to explore the unknown reaches of the planet's waters.  To accomplish this feat, our ancestors used the natural tools given to them like the stars.  From there, celestial navigation developed and devices such as the gnomon, kamal, sea astrolabe, quadrant, cross-staff, and sextant were created.  By increasing our ability to go further out into the unknown waters, these ancient navigation devices paved the way for marine navigation technology to develop.  These developments, in turn, fostered inventions that were thought to be mere fantasy and allowed humans to grow in their understanding of the Earth.  That unsatisfied curiosity continued to live in our hearts and minds leading up to 1957 when the first autonomous underwater vehicle (AUV) was developed by the applied physics laboratory at the University of Washington by Stan Murphy, Bob Francois, and Terry Ewart.  The early AUVs were used for research purposes such as the study of underwater diffusion, acoustic transmission, and submarine wake. 

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Topics: MRU, IMU, DVL, autonomy, #AUV, maritime, passive sonar

Inertial Labs’ Expertise in PNT and Sensor Fusion Paves Way for Level 5 Autonomy

Posted by Inertial Labs on Apr 22, 2021 3:35:23 PM

Autonomous Vehicles

Autonomous Vehicles have long been viewed as the logical next monumental breakthrough in engineering. A fantastical feat that has been depicted throughout Hollywood and analyzed by many journals; autonomous vehicles are one of the most  highly scrutinized potential breakthroughs of this decade.  There are 6 levels of autonomy which represent a progressive pathway to level 5 – full autonomy.  So, this begs the questions:  How long until we reach complete autonomy?  What level of autonomy are we at now?  And how is it accomplished? First, let’s get a clear picture of what each level of autonomy entails. 

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Topics: GPS-Aided Navigation, Remote Sensing, INS-D, Position, PNT

The Inertial Labs INS-D-OEM with Spoofing Protection

Posted by Luke Wilson on Mar 1, 2021 4:23:34 PM

What is Spoofing?

Satellite constellations use RF signals to transmit information to GNSS receivers. These signals contain information on the satellite ephemeris, clock bias parameters, almanac, satellite health status and other information. Receivers use these signals to compute position (and timing) information in global coordinates of longitudinal and latitudinal location. Spoofers transmit signals with higher relative power (a dominating signal strength) than the GNSS/GPS signals that are typically received by receivers. These signals contain false positioning information which results in the receiver believing false data. This used to be a complicated and expensive process that only militaries could perform, but with technological advances and the growing pervasiveness of the internet, GPS spoofing transmitters can be found easily and inexpensively by members of the civilian population. 

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Topics: INS-D, GPS, GNSS, receiver, NovAtel, Spoofing

Quality and Quantity – A Detailed Look at the Inertial Labs Kernel-100

Posted by Luke Wilson on Feb 8, 2021 2:35:33 PM

The Kernel-100

The Kernel-100 is a compact and lightweight Inertial Measurement Unit (IMU) and Digital Tilt Sensor (DTS) that consists of precision tri-axis MEMS accelerometers and tri-axis MEMS gyroscopes. This industrial grade IMU measures linear accelerations and angular rates  with low noise and good repeatability. With continuous built-in test (BIT),  electromagnetic interference protection, and flexible input power requirements, the Kernel-100 is easy to use in a wide range of higher order systems. 

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Topics: Stabilization, Surveying, Industrial, IMU, Development, Kernel, Tactical

The Inertial Labs miniAHRS and Directional Surveillance

Posted by Luke Wilson on Dec 22, 2020 11:17:41 AM

What is a Directional Survey?

A directional survey is a survey method that can be used to map a variety of underground drilling applications. Directional surveys are used to map a planned underground route by using aiding data provided from any combination of directional survey stations. [1] Directional survey stations serve as a reference point that corresponds to a measured depth along the actual bored path known as the actual well path. While the drill bores a hole along a planned route, data regarding the borehole inclination and azimuth is transmitted back to a computer that is controlled by an operator. This data allows the operator to control the speed and direction of the drill as it advances. Directional surveying enables the user to carry out operation with minimal disturbance to natural habitats and helps to reduce accidents that can occur from directional drilling, which is any drilling is not directly downwards. 

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Topics: Surveying, Industrial, miniAHRS


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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