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A dynamic scheduling method and system for track-guided vehicles

A dynamic scheduling, vehicle technology, applied in control/regulation systems, general control systems, program control, etc., can solve the problems of not considering the global work efficiency and the low global scheduling efficiency, so as to improve the global scheduling efficiency and improve the material processing efficiency. Effect

Active Publication Date: 2021-09-03
FUYANG NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing RGV used in the field of material processing usually uses one RGV to cooperate with multiple computerized numerical control machine tools (Computerized Numerical Control Machine, CNC) to complete the loading and unloading and cleaning of materials. When multiple CNCs send demand instructions to the RGV at the same time, the RGV Scheduling is usually performed in the order in which instructions are sent, but this method does not consider the overall work efficiency, making global scheduling less efficient

Method used

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  • A dynamic scheduling method and system for track-guided vehicles
  • A dynamic scheduling method and system for track-guided vehicles
  • A dynamic scheduling method and system for track-guided vehicles

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Experimental program
Comparison scheme
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Embodiment 1

[0060] figure 1 It is a method flow chart of the dynamic scheduling method for track-guided vehicles according to Embodiment 1 of the present invention.

[0061] see figure 1 , the dynamic scheduling method of the track-guided vehicle is applied to a material processing system, the material processing system includes: 8 CNC machine tools and a track-guided vehicle, and the 8 CNC machine tools are divided into two groups and symmetrically distributed in the On both sides of the track-guided vehicle, each group of CNC machine tools is evenly distributed along the front and rear directions of the track-guided vehicle; a feeding conveyor belt is arranged on the left side of the track-guided vehicle, and The right side of the guided vehicle is provided with a blanking conveyor belt; each of the CNC machine tools is used to complete a process for processing materials; Clean the clinker and transfer the cleaned material to the unloading conveyor belt;

[0062] The dynamic scheduli...

Embodiment 2

[0185] In this embodiment, the linear programming model for RGV dynamic scheduling is determined by using the AHP, and the optimal solution is obtained through the tabu search algorithm. Combined with the dual robust re-scheduling model, the optimal scheduling strategy and system for RGV in different situations are given. work efficiency.

[0186] Aiming at the situation that there is no fault in a process, firstly, a Cartesian coordinate system is established for the material processing system. In order to maximize the benefit of the material processing system within the specified time, the relevant factors that affect the RGV dynamic scheduling are analyzed and obtained (RGV’s effect on different CNCs) Motion operation time indicator, CNC average waiting queue indicator, CNC average utilization indicator, CNC average waiting time indicator). Then, using AHP, the weights of the above-mentioned factors are determined. Finally, the dynamic scheduling model of RGV is establishe...

Embodiment 3

[0371] The invention also discloses a dynamic dispatching system for rail-guided vehicles, which is applied to a material processing system, and the material processing system includes: 8 CNC machine tools and a rail-guided vehicle, and the 8 CNC machine tools are divided into two groups Symmetrically distributed on both sides of the track-guided vehicle, each group of CNC machine tools is evenly distributed along the front and rear directions of the track-guided vehicle; a feeding conveyor belt is arranged on the left side of the track-guided vehicle, The right side of the track-guided vehicle is provided with a blanking conveyor belt; each of the CNC machine tools is used to complete a process for processing materials; the track-guided vehicle is used to complete the loading and unloading of each of the CNC machine tools, Clean the processed clinker and transfer the cleaned material to the unloading conveyor belt;

[0372] The dynamic scheduling system includes: a single-pro...

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Abstract

The invention discloses a dynamic scheduling method and system for a track-guided vehicle. This method firstly determines the scheduling target, then determines each index that affects the target, calculates each index and determines the weight of each index, thus determines the objective function, and finally solves the objective function to obtain the scheduling scheme. The invention comprehensively considers various indexes affecting the scheduling target, thereby maximizing the scheduling target, and can effectively improve the global scheduling efficiency and material processing efficiency.

Description

technical field [0001] The invention relates to the field of track-guided vehicles, in particular to a dynamic scheduling method and system for track-guided vehicles. Background technique [0002] Rail Guided Vehicle (RGV) can not only be used in the field of logistics, but also play a certain role in the field of material processing. For example, RGV can realize the loading and unloading of materials, and clean the processed materials. Finally, the cleaned The finished materials are transferred to the unloading conveyor belt for shipment. The existing RGV used in the field of material processing usually uses one RGV to cooperate with multiple computerized numerical control machine tools (Computerized Numerical Control Machine, CNC) to complete the loading, unloading and cleaning of materials. When multiple CNCs send demand instructions to the RGV at the same time, the RGV Scheduling is usually carried out according to the order in which instructions are sent, but this meth...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B19/418
CPCG05B19/41865G05B2219/32252Y02P90/02
Inventor 王先超胡梦圆王先传张杰刘冬冬
Owner FUYANG NORMAL UNIVERSITY