| Multicenter group layout dispersion in the urban district of the city traffic flow within the group,compared with the traditional single center city,residents made within the group,central traffic pressure,smaller but more center group because of the space layout of the new district is relatively complex,every group with internal development orientation of the present diversified development pattern,the influence factors of residents travel choice way of public transportation,also different from the traditional single center city district,lead to the urban traffic problem is more complex than any other single center city new city.In view of this,considering the traffic characteristics of the multi-center group layout of the new urban district,which is different from the urban central area,it is the primary task for the development of the conventional public transport in the current multi-center group layout of the new urban district to explore the factors affecting the satisfaction of the regular bus passengers and improve them.The main contents of this paper are as follows :(1)through the analysis of the connotation of urban new district and multi-center group layout,this paper defines the concept of multicenter group layout of urban new district,and analyzes its traffic demand characteristics and traffic infrastructure characteristics.(2)based on the characteristics of multi-center group layout in new urban areas,this paper explores the particularity of conventional public transport in new urban areas with multi-center group,and analyzes its bus travel characteristics,passenger flow characteristics,bus route characteristics and bus characteristics.(3)from the perspective of passenger perception,the special factors that influence the functional layout of the new district of the multi-center cluster city on the satisfaction of regular bus passengers are comprehensively identified.(4)based on the analysis of the influencing factors,an indicator system was constructed,including infrastructure configuration,operation situation and special indicators of multi-center group layout of new urban areas.(5)through the bus passenger satisfaction than commonly used research methods and models,consider more potential interactions between factors,select the bayesian network model and using MATLAB software,build a multicenter group layout of city new district routine bus passenger satisfaction bayesian network model,to explore the key factors influencing the passenger satisfaction and improved scheme reasoning forecast effect.(6)west of salty new district as an example,the establishment of the west salty new regular bus passenger satisfaction of the bayesian network model,from the Angle of multicenter group layout,discovery is the key factors influencing the passenger satisfaction between the group bus lines easy interchange,central to the main bus travel convenience,group to other regional transit ease three indicators,corresponding improving measures are put forward,and the forecasting effect of the improvement measures.Through the study of this article,set the multicenter group routine layout city new city bus passenger satisfaction effect of key factors affecting the analysis model and improved schemes to improve prediction model,an instance shows the scientificity and the rationality of the analysis method,for multicenter group layout of city new district conventional public traffic planning and construction provides the certain theory basis and practical reference. |