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Expressway moving vehicle (physical object + number) simulation modeling method

A highway, simulation modeling technology, applied in design optimization/simulation, structured data retrieval, geographic information database, etc., can solve problems such as difficult implementation, unknown success or failure results, and stay in digital simulation, so as to reduce research and development costs, The effect of rapid verification of algorithm correctness

Pending Publication Date: 2020-05-29
袁世姣 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Searching the China Patent Network, there are 265 patents related to vehicle side collisions and 3180 patents related to rear-end collisions, and there are very few corresponding simulation modeling. The former are mostly technical prevention of vehicles by vehicle manufacturers; while the latter are mostly scientific research unit, it stays at the stage of digital simulation, such as "CN 103448730 B A Method for Estimating Key Parameters of Automobile Rear Collision Warning on Expressway" issued by Southeast University, etc. These modeling theory patents that combine various algorithms are difficult to implement or quickly Corresponding to the inspection and modification of the real object, even if some plans have been put into practice, such as the self-learning (sample sampling) patent that can drive intelligently (AI) on the road, in terms of capital cost, time cost, and social cost, it is quite large. Huge, but the ultimate success or failure is still unknown. Tesla, Google, and Uber's self-driving car crashes are examples

Method used

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  • Expressway moving vehicle (physical object + number) simulation modeling method
  • Expressway moving vehicle (physical object + number) simulation modeling method
  • Expressway moving vehicle (physical object + number) simulation modeling method

Examples

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Embodiment Construction

[0041] Such as Figure 5 , Figure 11 Shown as the preferred embodiment of the present invention specifically sets forth the implementation mode:

[0042] The present invention selects 1:43 emulation to have track trolley 4 for use, what this car adopted is DC 12V motor, track power supply, rear wheel drive, in order to be able to more realistically simulate the situation of expressway high-speed driving vehicle, by its positioning coordinates, The capture of the driving track simulates the accident scenes such as brake drift, rear-end collision of two vehicles, crossing isolation, impact isolation, and orthogonal side collision, etc., which are digitally collected through the scene and presented with corresponding mapping of the digital model (see Figure 5 ).

[0043]The present invention selects 1:34 emulation trackless trolley 11 for use, what this car adopted is DC 6V motor, battery power supply, rear wheel drive, wireless remote control, under low-speed running state, ...

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Abstract

The invention discloses a highway moving vehicle (physical object + number) simulation modeling method. The method comprises a physical model and a digital model. According to the invention, a reverseengineering principle is applied; a physical model and a digital model are combined and applied to simulation modeling of expressway running vehicles. A moving coordinate, a driving track and a motion state of a dynamic vehicle are detected and tracked; the vehicle-road coordination emergency state can be responded in time and then copied and applied to online driving and management of highway vehicles in real life, meanwhile, the original design concept and algorithm correctness of a vehicle road are rapidly checked, and a scientific basis is provided for reducing the research and development cost and evaluating the later capital investment risk.

Description

technical field [0001] The invention relates to the field of traffic and transportation safety engineering, in particular to a simulation modeling of expressway moving vehicles (physical objects + numbers). Background technique [0002] The present invention is the supplement and extension of "CN201620123453.8 A Vehicle-Based Expressway Group Navigation System Based on GPS and GSM Platform" and "CN201621474118.9 A Centimeter-Level Online Positioning Device for Expressway Driving Vehicles". [0003] Searching the China Patent Network, there are 265 patents related to vehicle side collisions and 3180 patents on rear-end collisions, and there are very few corresponding simulation modeling. The former are mostly technical prevention of vehicles by vehicle manufacturers; while the latter are mostly scientific research unit, it stays at the stage of digital simulation, such as "CN 103448730 B A Method for Estimating Key Parameters of Automobile Rear Collision Warning on Expressway...

Claims

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Application Information

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IPC IPC(8): G06F30/20G06F30/15G06F16/29
CPCG06F16/29
Inventor 袁世姣袁重德
Owner 袁世姣
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