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Workshop scheduling-oriented RFID acquisition method

A technology of workshop scheduling and collection methods, which is applied in the direction of collaborative operation devices, instruments, manufacturing computing systems, etc., and can solve problems such as blocked machine tool processing, different installation time, and changing processing time

Pending Publication Date: 2021-02-12
BEIJING UNIV OF TECH
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  • Claims
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Problems solved by technology

[0003] However, in the actual production process, various problems may arise, and the assumed conditions may not all be met. For example, when the workpiece is installed, it is installed by workers, and the proficiency of each worker is different, and the installation time is different. Due to the blockage caused by the transportation environment and the failure of the machine tool, the impact at this time is often manifested in the change of the time when the workpiece arrives at the machine tool and the actual processing time of the machine tool.
Therefore, it is unrealistic to continue production scheduling according to the original scheduling plan at this time

Method used

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  • Workshop scheduling-oriented RFID acquisition method
  • Workshop scheduling-oriented RFID acquisition method
  • Workshop scheduling-oriented RFID acquisition method

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Embodiment Construction

[0036] according to figure 1 , in actual production, based on assumptions and ignoring certain factors for analysis, the production scheduling plan can be quickly generated, which can greatly improve efficiency. At this time, if the processing can be completed according to the initial scheduling plan, the entire processing task will be processed according to the current scheduling. However, this is often not the case in reality. When unpredictable changes occur and the initial production schedule cannot continue, we need to quickly adjust the remaining tasks, and RFID technology can help us obtain the overall situation of the current schedule more quickly. Therefore, we can reschedule within the cycle according to RFID technology to complete the remaining scheduling task requirements.

[0037] Therefore, a RFID collection method oriented to workshop scheduling is proposed, such as figure 2 and image 3 As shown, the specific steps are as follows.

[0038] Step 1: Accordin...

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Abstract

The invention discloses a workshop scheduling-oriented RFID acquisition method which comprises the following steps: relative position information between workpieces and equipment is recorded through mutual cooperation of a plurality of RFID readers so as to deduce real-time information of each piece of equipment and each workpiece in a workshop; firstly, workpieces are classified, an RFID reader-writer is allocated to each device, then the RFID reader-writers are detected to obtain information of the workpieces and the devices, and according to the difference of an original production scheduling plan in the actual machining condition, scheduling is conducted again in a period, so that the robustness and high efficiency of workshop scheduling production scheduling are improved.

Description

technical field [0001] The invention relates to the field of intelligent manufacturing scheduling, in particular to an RFID collection method oriented to workshop scheduling. Background technique [0002] In the current scheduling problems in the intelligent manufacturing industry, most of the scheduling is based on static scheduling, that is, assuming some conditions, such as the processing time or transportation time of a certain process of a known machine processing a workpiece, taking into account the processing time, etc., and then in Static scheduling under conditional assumptions. This simplified scheduling method can quickly formulate a scheduling and scheduling plan, which improves production efficiency to a certain extent. [0003] However, in the actual production process, various problems may arise, and the assumed conditions may not all be met. For example, when the workpiece is installed, it is installed by workers, and the proficiency of each worker is differ...

Claims

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Application Information

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IPC IPC(8): G06K17/00G06Q10/06G06Q50/04
CPCG06K17/0029G06Q10/0631G06Q50/04Y02P90/30
Inventor 程强高元杰初红艳张彩霞杨聪彬
Owner BEIJING UNIV OF TECH
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