Vehicle lighting equipment and control methods for an adaptive front-lighting system
Keywords:
vehicles, road, traffic safety, headlights, adaptive lighting, focal vision distance, CAN network, network efficiencyAbstract
In 2007, the United Nations Economic Commission for Europe adopted a new headlamp system, called the Adaptive Front Lighting System (AFS), as the rules for the installation of a headlamp system. It is designed to ensure the safety of vehicles in the dark. Practice has shown that cars with this lighting system create less accidents than traditional lighting. Due to the development of the system, it is now possible to distinguish several algorithms implemented in it. Typically, AFS deployment requires a LAN such as CAN. Takes into account the analyzed speed of operations on the CAN network is limited. AFS algorithms and methods for automatically controlling its operation using the CAN network are analyzed. To calculate the load on the network, we use the data of an entire sensor system during the operation of different ASFs. The parameters of the CAN network are calculated: speed, dependence of efficiency on load, probability of errors during the transmission of commands. Alternative ways of organizing ASF are considered, in particular using the modulation of the pulse width of the light bulb under the control of Ardyino system. This system can be combined with a number of other sensors
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