Circuit simulation device for uni-direction road grid traffic flow distribution
A circuit simulation, one-way technology, applied in traffic flow detection, teaching models, instruments, etc., can solve the problems of lack of intuitive physical simulation, image, complex modeling and solving process, unfavorable grasp and application of non-professionals, and achieve Easy to understand and apply, intuitive method, easy to create effects
Inactive Publication Date: 2010-06-02
SOUTHEAST UNIV
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Problems solved by technology
Although this kind of digital simulation method has the advantages of economy and flexibility, the modeling and solving process is very complicated, especially lacking the intuition and image unique to physical simulation, which is not conducive to non-professional mastering and application
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[0016] A circuit simulation device for unidirectional road network traffic distribution, including a road section component I and an intersection node II used to represent a road section intersection, the described road section component I includes 2 groups of one-way road section components connected end to end and with 2 groups of head and tail components The connection points of the connected one-way section components are the two ends of the section assembly, and the section assembly 1 is located between two intersection nodes representing the two intersections of the same section section and the two ends of the section assembly 1 are connected with the two intersection nodes respectively, The one-way section assembly is composed of a built-in power supply 2, a diode 3, a non-linear resistor 1 and a micro ammeter 4 connected in series, and a constant current source 9 is connected between intersection nodes representing the starting point 10 and the ending point 11 of road ne...
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The invention discloses a device for simulating a circuit for traffic flow assignment for a one-way road network. The device comprises road section components (I) and intersection nodes (II) used forrepresenting road section intersections, wherein, the road section components (I) include two groups of one-way road section components which are connected end to end, and connection points of the twogroups of one-way road section components which are connected end to end are taken as two ends of the road section components; the road section components (I) are arranged between the two intersection nodes representing the intersections at two ends of the same road section, and are connected with the two intersection nodes respectively; the one-way road section components consist of a built-in power supply (2), a diode (3), a non-linear resistor (1) and a miniature galvanometer (4) which are connected in series; and a constant current source (9) is connected between intersection nodes capable of representing traffic origin-destination points of the road network (10) and (11). The invention has the advantages of convenience and feasibility, high accuracy of simulation, convenient manufacture, simple operation, and straightforward and vivid method, and is much easier to be understood and applied by people with different levels of education and training.
Description
technical field [0001] The invention relates to a circuit simulation device, in particular to a circuit simulation device for one-way road network traffic distribution. Background technique [0002] The traffic distribution on the road network is to distribute the travel demand between the travel origin and destination pairs (OD pair) to each road according to the traveler's choice of destination and route to obtain the traffic flow of each road segment, so as to reproduce the actual traffic flow. The process of traffic operation status or virtual future traffic operation status aims to provide basis for road network planning, design, management and optimization. [0003] Due to the complexity of the problem and the prediction of future traffic conditions, in the field of scientific research and engineering, the traffic distribution process is generally realized through mathematical calculations with the help of traffic analysis models, which is essentially a digital simulat...
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IPC IPC(8): G09B25/00G08G1/01
Inventor 任刚张水潮张磊杜轩
Owner SOUTHEAST UNIV