生态驾驶行为对单个小汽车运行状态的综合影响分析

为了进一步明确我国实际道路交通条件下生态驾驶行为对车辆运行状态的综合影响,助力生态驾驶行为推广应用策略,结合驾驶模拟和实车驾驶试验,重点分析了生态驾驶行为对单个小汽车能耗、排放及运行效率的影响。结果表明:生态驾驶行为能有效降低机动车能耗和尾气排放;同时,相同条件下,生态驾驶行为降低车辆能耗的比例远大于车辆行驶时间增加的比例。因此,对单个小汽车而言,生态驾驶行为的节能效益大于其对车辆运行效率的影响。

Comprehensive analysis of the influence of the eco-driving behavior on the single car operation

The current paper is inclined to make an analysis of the influence of the coo-driving behavior on the fuel consumption and operation efficiency of the single cars pre-&-pro eco-driving training,for the problem of the eco-driving behavior may have a great significance on the vehicle operation in the various road and transportation conditions in our country and is likely to bring about further contributions to the further development of the practical eco-driving behavior stimulation and application strategy of the state.In our study,the actual training for eco-driving was conducted under the guide or coach of a professionally experienced driving instructor or master on the condition of a properly arranged driving simulator platform.The participants were asked to learn and practice the generally laid-out obligatory eco-driving rules or demands in the said driving simulators.While the training is undergone,it is necessary to register and collect the training data of the vehicle operating status during the training and testing both in the driving simulator and the realistic driving environment.At the same time,it is also necessary to record and collect the actual fuel consumption data via the on-board diagnostics dcvices usually mounted on the taxi or other personal cars when they are running in the urban areas around Beijing municipality.Meanwhile,it is also necessary for the trainers to make recordings of the car emission data by the vehicle specific power based mi croscopic emission model depended on the second-by-second driving simulator registration.Actually,the vehicle operating efficiency at the beginning of the car driving process and then in the urban expressways can be registered and reflected correspondingly by the vehicle operating time in the actual and simulated driving conditions.The study results gained through a comparative analysis of such cars' operating data pre-&-pro eco-driving training can prove that:(1) The potential of eco-driving behavior in reducing the vehicle fuel consumption in the actual driving environment should be at about 9.95％;(2) It is possible for the ratio of the vehicle eco-driving behavior to reduce the emissions in the driving simulating condition can be made to reach a percentage of 5.37％-26.15％,in accordance with the different types of the emissions;and (3) The fuel consumption thrift of such vehicles can be made much greater than the rate of the operating time increase under the same driving condition.Thus,it can be seen that,for a single car,it is obvious to see its effect of eco-driving behavior in the fuel consumption thrift and pollutant emission,and such a kind of influence may not lead to any apparent increase of the vehicle operating time.Therefore,on the whole,the effectiveness and efficiency of the eco-driving behaviors in fuelconsumption thrift can be much greater than its impact on that of a single vehicle operation.