Abstract
Traffic jam has caused serious environmental pollution problem to our daily life nowadays. To make clear the effects of different traffic flow drivers' type influence on traffic carbon-dioxide(i.e. CO 2 ) emission, we first modified the traditional coupled-mapping traffic flow car following model, that the driver's sensitivity factor obeys mathematic statistical probability distribution, and deduced the model's stability condition. In our traffic flow theoretical model, two following vehicle's acceleration running equation incorporated the full velocity difference between the successive running vehicles. Secondly, based on modern system control theory, a system controller with delay-feedback part was designed to suppress traffic congestion and traffic emission. To support our theoretical supposition and model, we made many numerical simulations with computer software. The simulation conclusions showed that our heterogeneous traffic flow system is much easy to produce CO 2 emission than homogeneous one. While a proper traffic signal controller can produce good effect on suppressing traffic jam and traffic CO 2 emission.
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