Doosan Bobcat

Always perfect light, no matter the height
Prototypes Doosan Bobcat can move earth as much as they like

Testing activities at the Doosan Bobcat testing facility commence day and night and the landscape differs every day. What is a hill today can be a pit tomorrow. Doosan Bobcat selected AAA-LUX LED luminaires to illuminate the area. The wireless and flexible controls of AAA-LUX LED luminaires always provide sufficient light on the ground no matter what distance the light has to travel.

Doosan Bobcat earthmoving equipment is always tried and tested at Doosan Bobcat’s own testing facility close to its plant and R&D centre in Dobris, Czech Republic, before it is released to the market. Here prototypes are subjected to an extensive testing program before they are introduced to the market. The prototypes are tested with full loading for their entire functional working hours to ensure high quality
and endurance for which Doosan Bobcat equipment are known for. In autumn 2014 Bobact Engineering decided to extend the test program into the night. Safety of the equipment and employees at the testing facility was paramount to Doosan Bobcat hence the company embarked on a quest to find the best possible solution for illuminating the area. Czech illumination specialist Abatec was asked to provide some guidance. ‘Illuminating 57 000m2 on a slope is a challenge,’ says Ludek Mechura from Abatec. ‘The fact that the landscape changes every day, due to the continuous displacement of earth by vehicles that are being tested, made it even more challenging,’ he adds.

Flexible advantage
The selection of AAA-LUX LED luminaires will generate significant savings for Doosan Bobcat in the coming
years. The innovative illumination technology, however also provides another advantage. ‘Each luminaire can be controlled individually and their Lighting Control Management System (LCMS) allows for adjusting the illumination levels to always ensure the 25Lx with a uniformity of Emin/Eave=0,4 as the client required,’ Mechura continues. ‘Never mind where soil is added or removed; the illumination strength is adjusted at the luminaire to guarantee the illumination quality at the ground.’ The luminaires at the testing facility of Doosan Bobcat are controlled by means of a Touchscreen and Control Box. ‘Each luminaire is part of a MESH network, meaning that each luminaire can be used to relay instructions to the other. Thanks to this network controls, the LED luminaires can be placed further away from the site. It also has no limitations in terms of the luminaire that is positioned the furthest away from the controls as the data that needs to be communicated, won’t get lost.’ As the software is based on software used in the military and aircraft industry, there is no need to doubt its safety. The light of the luminaires also doesn’t interfere with the activities taking place on the ground. ‘On first stage Doosan Bobcat opted to control each LED floodlight individually. They can do so by selecting one of the five lighting levels they have at their disposal; 0%, 30%, 50%, 80% and 100%. This will minimize glare in the eyes of the drivers, something that normally would happen with conventional floodlights when machines are tested in climbing uphill, or going downhill on-site.’ It has also clearly contributed to the safety on-site. ‘The illumination quality of AAA-LUX LED luminaires matches that of daylight. People also experience it as being a much more stable light that increases visibility,’ Mechura concludes.

Year: 2015
Site: Doosan Bobcat Dobris Technology & Test Centre
Purpose: Vehicle testing area
Dimensions of the illuminated space: 57.000 m2
Product: 21 x AL180
LCMS: Touchscreen, Control Box
Number of masts: 10
Luminaires per mast: 2 / 3
Illumination level: 30 lux, 0,4

 

AAA-LUX project partner:

 

 

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