3D Accelerometers for Adaptive Tracking

3D Accelerometers for Adaptive Tracking
3D Accelerometers for Adaptive Tracking
16Sep2019

The use of 3D Accelerometers in most of our devices enables "Adaptive Tracking" for increased battery life, optimised data use and smarter reporting.

Most of our devices are fitted with a 3D accelerometer. Accelerometers are used in many electronic devices to detect either static (like the force of gravity), or dynamic (like vibration or movement) acceleration forces.

This detection enables accelerometers to determine things like orientation and movement. Examples of applications in electronics include when your phone display auto-rotates, depending on how you orient your phone, or when a mobile game responds to shaking the device.

What is Adaptive Tracking?

When we refer to "adaptive tracking," it means the device is using the accelerometer and GPS in tandem to detect movement, varying the update rates accordingly. Adaptive means the device "sleeps" in an extremely low power state until woken by the accelerometer. Once woken, it checks for GPS and log position updates. This adaptive technology offers serveral benefits in tracking:

Optimised Data Use and Data Collection

Get valuable tracking data when it's needed (for example, when your asset is on the move) and scale back when you don’t (when asset is stationary). Adaptive tracking ensures the device isn't sending constant updates and using SIM data when it doesn't have to, while still allowing for valuable data-capture when it matters.

Timely Movement Alerts for Theft Prevention

Devices with accelerometers can be configured to upload after even the slightest movements are detected, sending an alert immediately. These movement alerts are highly configurable, so you get the notifcations you need, when you need them, to keep your assets safe.

Increased Battery Life

Running the accelerometer in a low power state is far less energy intensive than constantly running a GPS module. This results in the exceptionally long battery lifetimes seen in our product range.

Trip Tracking with Enhanced Accuracy

Our battery powered devices such as the Remora2 and Oyster2 can operate in ‘Standard GPS Tracking’ or ‘Jostle Based’ modes.

The "Standard" GPS tracking mode will have the accelerometer wake the device from sleep when small movements are detected. The GPS is checked to see if it has moved far from the original position. Once it has moved past a configurable threshold, only then is a trip started and an alert sent. This prevents small movements and bumps resulting in many trips and uploads, which wastes battery life.

Alternatively, "Jostle Mode" begins a trip based on accelerometer movement and can be used to track shorter trips (like moving a trailer in a yard) or monitoring run hours when an asset is vibrating (a stationary pump for example). The level of vibration required is easily configurable via our OTA Device Management Platform OEM Server.

Other firmware features that use 3D acceleromoters include:

​Get in touch with us today to discuss more Adaptive Tracking applications, or explore our range of devices.

 

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