Panasonic Industry — Grid-EYE Infrared Sensor
Panasonic Industry

Panasonic Industry Grid-EYE Infrared Sensor

Thermal array sensor provides accurate people-tracking data in new intelligent lighting control system

A new implementation of the Grid-EYE thermal sensor from Panasonic Industry demonstrates the scope to perform sophisticated functions such as people counting and indoor pedestrian traffic management when the sensor is supported by the latest artificial intelligence (AI) technology.

 

The Grid-EYE infrared array sensor is the first 64-pixel IR camera to be housed in a compact surface-mount package. Based on Panasonic MEMS technology, Grid-EYE combines a MEMS sensor chip, a digital ASIC with an I2C interface, and a silicon lens in an 11.6 mm x 8 mm x 4.3 mm package, around 70% smaller than competing products. The thermopile elements are in an 8 x 8 grid format which measures both temperature and temperature gradients contactlessly. These temperature outputs can be converted to a 64-pixel thermal image.

 

Now the Grid-EYE sensor has been integrated into an intelligent lighting control system developed by Summa Systems, based in The Netherlands. The Summa Systems technology is a data carrier and connectivity hub embedded in lighting equipment which enables lighting control and other functions for regulating indoor environments, including energy-saving and safety features.

 

The system has two key components: data and lighting.

  • Data derived from sensors are shared via Wi-Fi® In the near future, additional connectivity options will include ultra-wideband and sub-GHz wireless.
  • The lighting experience is provided by sensor-backed intelligence controlling tunable or single-color white lighting. The Summa Systems technology is tightly integrated with the Lumileds LUXEON Fusion tunable white and color selection technology, as well as other Lumileds LEDs.

 

An important part of the sensor data-driven Summa Systems technology is the Grid-EYE thermal array sensor, enhanced by AI. The sensor detects heat, and therefore human activity: it feeds the data back to the Summa Systems dashboard in the cloud. Multiple Grid-EYE sensors can be combined to cover any area.

 

The data about people in the controlled space can be used for various functions:

  • To configure lights to brighten when the space is occupied, reducing energy usage in areas that are not being used.
  • To create heat maps to show how people use the space. This enables a building operator to optimize layouts and pathways. The data can also be used to inform decisions about wayfinding and guidance.
  • To count occupants of a room for safety and regulation purposes.

 

Because the Grid-EYE provides a deliberately low-resolution, 64-pixel image output, this monitoring of people’s usage of a space is inherently anonymized, and so avoids the risk of infringing users’ right to privacy.

 

‘The Panasonic heat grid array sensor is essential to the Summa Ambient Intelligence System,’ says Chento Didden, owner of Summa Systems. ‘The way we have enhanced and integrated the sensor into our system helps people to optimize the use of public space.’

Panasonic Industry — Grid-EYE Infrared Sensor

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