Volvo's fleet tracker
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by Colin Barnett • Volvo is set to launch Dynafleet, a "global" vehicle monitoring and communications system, on to the UK market. The system, based on existing technology but in a new integrated package, has been subjected to extensive realworld testing over two years on the 50-strong international fleet of WH Bowker and Sons of Preston, and more recently by atomic energy producer BNFL.
The system is based around three areas of technology. From the transport office viewpoint, the primary interface is a Windows program running on standard modem-equipped IBMcompatible PCs, with a simplified version installed in each
truck's cab. In-cab hardware includes the main box and a Sin VDU which fit in a standard DIN radio aperture, a fixed cellphone, a remote control unit and a small keyboard for inputting more complicated text messages.
The second technology is two-way communication using SMS (short message service), which transmits text messages over the GSM digital cellphone network. Although not as global as its title indicates, the network covers an area within the range of most UK-based international operators, including all of Europe and much of the Middle East. SMS is theoretically capable of handling messages of up to 160 characC ters, but this includes some carrier data which reduce the message length slightly. The cost varies depending on the local service provider, but is in the region of lop a message instead of upwards of fa a minute for voice calls. The final link in the system is courtesy of GPS (global positioning system), which uses a triangulation system relative to a geo-stationary network of satellites to locate the vehicle to within 50m.
The Dynafleet package consists of two modules, which can be bought and operated independently if required. Logger collects driver and vehicle data on a driver-specific smart card. Data includes the usual tachograph-type information, as well as various items provided by the engine control unit, such as fuel consumption, engine speed and fault codes. Some functions of Logger are vehicle-specific, and will be available only on Volvo FII and FM vehicles.
The Messaging module, which can be fitted to any vehicle, comprises the direct communication and positioning functions. The two modules can be integrated into the full Dynafleet Info System, and customised to include security and traffic information functions as well as connecting with the operator's traffic routing system, allowing up-to-date delivery and back-loading instructions to he given to the driver. As the traffic office has instant access to a consignment's location and status, customers' enquiries can be answered immediately.
Dynafleet is also linked to Volvo's Action Service assistance system. A single transmission can advise the call-out desk of the vehicle's identity and location, as well as a diagnostic report.
Although each operator's system will be tailor-made, approximate costs will be £3,500 for the office system and £2,200 purchase or £80 a month leasing per vehicle.