140CRA31200 Fuzzy Controller

140CRA31200 Fuzzy Controller

140CRA31200 determines the input and output variables of the controller and the range of their values. The input variables are x and y, and the output variable is t. If the speed of vehicles passing through the intersection during the green light does not exceed 20 km/h, the maximum number of vehicles passing in a 15-second period of time is about 15. Then x varies from 0 to 15.

140CRA31200 When the distance between the remote and near-end sensors is about 100 meters, consider the general length of the vehicle body along with the average spacing between the two vehicles about 5 meters, so 100 meters may stay waiting for the number of vehicles up to 100/5 = 20, so the number of vehicles queuing up in the direction of the red light y changes range from 0 to 20.

140CRA31200 output is the two directions of the red, yellow and green lights, as well as crosswalk at the pedestrian crossing of the red and green lights as well as according to the forward direction of the green light is divided into more detailed interrelationships and the two directions of the output of the relationship ultimately boils down to the current green light of the delay t. According to the field test, the output variable t of the change range of 15 ~ 60.