Modelling, simulation and control of pedestrian avoidance maneuver for an urban electric vehicle
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AuthorAlonso Rentería, Luciano; Perez Oria, Juan María; Jiménez Avello, Agustín; Al-Hadithi, Basil Mohammed; Becerra, Víctor M.
The mathematical model of an electric vehicle, as well as the control system for avoiding pedestrians in urban traffic is described. The vehicle is modeled as a continuous system consisting of several subsystems. In addition, a set of sensors and actuators along with a two-level discrete control system are modeled. Based on this model, a pedestrian avoidance maneuver for typical speeds in city traffic is simulated. When the sensory system detects a pedestrian in the vehicle's path, the decision system calculates its trajectory. Using this information, the speed and/or direction that the vehicle must take in order to avoid the accident are estimated. These values are sent to the low-level controllers of the accelerator/brake and steering, which generate the signals to be applied to such systems to achieve the desired trajectory and speed.