Method for acquiring driving condition information of urban bus rapid transit
A technology of driving conditions and acquisition methods, applied in traffic flow detection, registration/indication of vehicle operation, instruments, etc., can solve problems such as the inability to fully reflect the driving conditions of BRT vehicles
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[0030] The method for obtaining the driving condition information of the urban express bus comprises the following steps:
[0031] (1) Select a BRT vehicle and collect information from the BRT vehicle with a sampling frequency of 1s. The initial information collected includes the travel time as t i , the longitude is X i , with latitude Y i , the instantaneous velocity is V i ;
[0032] (2) Define the acceleration, deceleration, uniform speed and idling driving conditions during the driving process of the vehicle; the acceleration condition refers to the acceleration a>0.1m / s during the driving process of the vehicle 2 ;Deceleration condition refers to the vehicle acceleration a2 ;Constant speed condition refers to -0.1m / s when the vehicle is running 2 ≤a≤0.1m / s 2 ;Idling condition means that the engine of the vehicle is in working condition but the driving speed is 0;
[0033] (3) Transform the initial information, and define the instantaneous velocity after processing ...
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