Optimized scheduling method for LCTV (Liquid Crystal Television) production and assembly process

An LCD TV, a technology for optimizing scheduling, applied in the direction of electrical program control, program control, control/adjustment system, etc., can solve the problems of NP difficulty in the production and assembly line scheduling problem of LCD TVs

Active Publication Date: 2015-04-22
KUNMING UNIV OF SCI & TECH
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Problems solved by technology

[0005] Since the production and assembly line scheduling problem of LCD TVs is an NP-hard problem, the traditional mathematical programming method cannot solve the problem. Therefore, the present invention designs an optimized scheduling of an improved distribution estimation algorithm (Modified Estimation of Distribution Algorithm, MEDA) method, an excellent solution to the scheduling problem of the production and assembly process of LCD TVs can be obtained in a short period of time

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  • Optimized scheduling method for LCTV (Liquid Crystal Television) production and assembly process
  • Optimized scheduling method for LCTV (Liquid Crystal Television) production and assembly process
  • Optimized scheduling method for LCTV (Liquid Crystal Television) production and assembly process

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Embodiment 1

[0067] Embodiment 1: as Figure 1-6 As shown, an optimal scheduling method for the production and assembly process of LCD TVs, by determining the scheduling model and optimization objectives of the production and assembly process of LCD TVs, and using the optimized scheduling method of the improved distribution estimation algorithm to optimize the optimization objectives; The scheduling model is established based on the processing time of LCD TV parts on each machine and the final assembly completion time, with the optimization goal of minimizing the average completion time

[0068] C T ( π i p ) = max { max k = 1 , . . . , m { ...

Embodiment 2

[0083] Embodiment 2: as Figure 1-6 As shown, an optimal scheduling method for the production and assembly process of LCD TVs, by determining the scheduling model and optimization objectives of the production and assembly process of LCD TVs, and using the optimized scheduling method of the improved distribution estimation algorithm to optimize the optimization objectives; The scheduling model is established based on the processing time of LCD TV parts on each machine and the final assembly completion time, with the optimization goal of minimizing the average completion time

[0084] C T ( π i p ) = max { max k = 1 , . . . , m { ...

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Abstract

The invention relates to an optimized scheduling method for the LCTV (Liquid Crystal Television) production and assembly process, belonging to the technical field of intelligent optimized scheduling of production lines in workshop. An optimization target is optimized by determining a scheduling model and the optimization target in the LCTV production and assembly process and utilizing the optimized scheduling method with improved estimation of distribution algorithm; the scheduling model is established according to the processing time and final assembly completion time of LCTV components on machines; and the optimization target is to minimize the average completion time. The optimized scheduling method enables clear and accurate expression of the LCTV production and assembly process, and enhances the global search capability of algorithms.

Description

technical field [0001] The invention relates to an optimal scheduling method for the production and assembly process of a liquid crystal television, and belongs to the technical field of intelligent optimal scheduling in an assembly line workshop. Background technique [0002] At present, television has become one of the household appliances with the highest penetration rate, and its appearance has enriched people's leisure time unprecedentedly. LCD TVs already have more than 90% of the market. With the increasingly fierce market competition, how to effectively improve the efficiency of each link in the production and assembly process of LCD TVs by optimizing the production and assembly process and shortening the working hours is the key to improving The key to the economic benefits and market competitiveness of enterprises. In the production and manufacturing process of LCD TVs, the assembly workload accounts for a considerable proportion of the entire product workload. Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCG05B19/41865
Inventor 钱斌李子辉胡蓉
Owner KUNMING UNIV OF SCI & TECH
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