Alexander Dennis Limited delivered the first Enviro buses with high-definition digital cameras and interior displays instead of traditional mirrors. The SmartVision system, according to the British manufacturer, can improve visibility and reduce the risk of accidents. The system is manufactured by the French company Vision Systems and sold in UK through the distributor 21st Century Technology. The same decision to replace the mirrors with a digital camera and monitor system was taken by Irizar for the electric bus ie tram.

alexander dennis mirrorless

Mirror above, wide angle below

The view of SmartVision cameras is digitally processed to compensate for lighting, shadows or glare while it is transmitted to the displays, which are mounted inside the cab to eliminate reflections from the windows. The system offers the driver a normal mirror view at the top of the monitor and a wide angle view in the lower half. Screen brightness adjusts automatically to give excellent visibility day and night.
The offside display is mounted on the A pillar, with the nearside display located centrally to avoid obstruction by an open door. The placement in similar locations to normal mirrors allows drivers to adjust easily.

alexander dennis limited mirrorless

Dirt does not damage visibility

SmartVision maintains image quality in all conditions. Software removes any distortion from rain drops or dirt on the lens, while an optional camera heater clears ice or fogging. In addition to improved visibility for drivers, operators benefit from reduced risk of mirror damage or injury to passengers or pedestrians, potentially saving up to £25,000 per bus. A reduction in aerodynamic resistance is additionally expected to deliver a small fuel economy benefit, especially at higher speeds.  The system is fully VCA certified for both the Enviro200 single decker and Enviro400 double decker. First Glasgow and Trentbarton have become the first operators to use the system. One Enviro400 for Glasgow’s service 75 is equipped with SmartVision, as is one Enviro200 for the i4 route in Nottingham.

alexander dennis limited mirrorless

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