Real-time security induction method for automated wharf AGV group

An automated terminal, safe technology, used in road vehicle traffic control systems, instruments, traffic flow detection, etc.

Active Publication Date: 2020-12-18
SHANGHAI MARITIME UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the surge in the number of decision variables, traditional road traffic guidance methods are difficult to be directly applied to the operation of automated terminal AGVs

Method used

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  • Real-time security induction method for automated wharf AGV group
  • Real-time security induction method for automated wharf AGV group
  • Real-time security induction method for automated wharf AGV group

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Embodiment Construction

[0059] based on the following Figure 1 ~ Figure 4 , specifically explain the preferred embodiment of the present invention.

[0060] Such as figure 1 As shown, the present invention provides a kind of real-time security induction method for automated wharf AGV group, comprising the following steps:

[0061] Step S1, designing the AGV traffic flow model of the automated terminal road network, and establishing a safety induction model for the AGV group;

[0062] Step S2, on the basis of the safety induction model, use the framework idea of ​​model predictive control to design a real-time safety induction strategy to guide the safe operation of the AGV group;

[0063] Step S3, converting the security induction strategy into offline parameter calculation and online mixed integer programming proposition, and obtaining the optimal security induction strategy.

[0064] Further, the step S1 includes the following steps:

[0065] Step S1.1, designing the AGV traffic flow model of ...

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PUM

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Abstract

The invention relates to a real-time security induction method for an automated terminal AGV group. The method comprises steps that firstly, an automated terminal road network AGV traffic flow model is designed, a security induction model for the AGV group is established, on the basis of the security induction model, the model prediction control framework concept is utilized to design the real-time security induction strategy to guide safe operation of the AGV group, and lastly, the security induction strategy is converted into offline parameter calculation and online hybrid integer programming propositions, and the optimal security induction strategy is acquired. The method is advantaged in that space-time interference problems such as conflict, waiting, queuing, etc. can be effectively inhibited or reduced to balance and optimize AGV flow distribution, the operation intelligentization level and security of the terminal AGV are improved, optimization distribution of the road network traffic flow is realized, and integral road network efficiency is improved.

Description

technical field [0001] The invention relates to a real-time safety induction method for an automated wharf AGV group. Background technique [0002] Traffic guidance system is currently recognized as an effective way to solve urban traffic congestion, improve driving safety, and improve operating efficiency. If safety guidance information is provided in real time in the AGV road network of the automated terminal, the AGV flow distribution can be balanced and optimized, the traffic capacity of the road network can be improved, and spatio-temporal interference can be avoided or reduced. But at the same time, in the AGV system of the automated terminal, additional constraints need to be considered, such as the limitation of time, space, and equipment, the diversity of space-time interference, and the robustness under random interference. Due to the surge in the number of decision variables, traditional road traffic guidance methods are difficult to be directly applied to the op...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/01
CPCG08G1/0145
Inventor 李军军许波桅杨勇生
Owner SHANGHAI MARITIME UNIVERSITY
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