阅读说明：本技术 可视化系统 (Visualization system ) 是由 梁连秀 邱韵玄 松井蓝 饭田绫音 植木浩贵 田岛正宪 千叶胜久 于 2018-03-26 设计创作，主要内容包括：使按顺序经过多道制造工序制造的产品的制造状况可视化,并且将在各制造工序中发生的工序特性要素的变化显示为能够视觉确认。实施方式的可视化系统包括：第一生成部,按产品的每个制造单位,生成将第一工序的开始时刻或者结束时刻与紧接着第一工序的第二工序的开始时刻或者结束时刻连接的线段；第二生成部,基于各制造工序的工序特性要素的变化日志,来确定在第一工序以及第二工序各自中发生的工序特性要素的变化,并生成包括对工序特性要素的变化的大小或者变化了的工序特性要素的属性进行表示的区域的显示对象；以及显示控制部,使显示器装置显示表示各时间轴的线段、由第一生成部生成的线段以及显示对象,并且将与显示对象重叠配置于工序各自的各时间轴上的开始时刻或者结束时刻的位置而使显示器装置进行显示。(The manufacturing state of a product manufactured sequentially through a plurality of manufacturing processes is visualized, and changes in process characteristic elements occurring in each manufacturing process are displayed so as to be visually recognizable. The visualization system of an embodiment includes: a first generation unit that generates a line segment connecting a start time or an end time of a first step and a start time or an end time of a second step subsequent to the first step, for each manufacturing unit of a product; a second generation unit that specifies a change in the process characteristic element occurring in each of the first and second processes based on a change log of the process characteristic element for each manufacturing process, and generates a display object including a region indicating a magnitude of the change in the process characteristic element or an attribute of the changed process characteristic element; and a display control unit that causes the display device to display a line segment indicating each time axis, the line segment generated by the first generation unit, and the display object, and causes the display device to display the line segment, and the display object at positions of a start time or an end time on each time axis of each process, the positions being arranged so as to overlap with the display object.)

1. A visualization system for visualizing manufacturing conditions of products manufactured in a sequence through a plurality of manufacturing processes, the visualization system comprising:

a first generation unit that generates, for each manufacturing unit of a product, a line segment connecting a start time or an end time of a first step on a time axis of the first step and a start time or an end time of a second step on a time axis of the second step following the first step, the time axis of the second step being a time axis parallel to the time axis of the first step;

a second generation unit that specifies, based on a change log of process characteristic elements of each manufacturing process, a change in the process characteristic element that occurs in each of the first process and the second process, and generates a display object including an area indicating a magnitude of the change in the specified process characteristic element or an attribute of the changed process characteristic element; and

and a display control unit that causes a display device to display time axes corresponding to the respective manufacturing processes, the line segment generated by the first generation unit, and the display object corresponding to the respective manufacturing processes, and causes the display device to display the display object corresponding to each of the first and second processes while superimposing the display object at a position corresponding to a start time or an end time on the time axis of the respective process.

2. Visualization system according to claim 1,

the process characteristic elements at least comprise the attributes of operators, machines/equipment, raw materials/materials and operation methods,

the second generation unit specifies, for each of the attributes, a change in the process characteristic element that occurs in each of the manufacturing processes, and generates the display object including a region indicating a size obtained by summing up the specified changes in each of the attributes or each of the attributes of the changed process characteristic element.

3. Visualization system according to claim 2,

the second generation unit generates the display object so as to include the region indicating each of the attributes of the changed process characteristic element and adjust the region to a size corresponding to a variation amount obtained by summing up the identified variations of each of the attributes.

4. Visualization system according to claim 2,

the second generating unit generates the display objects having different sizes in accordance with a variation amount obtained by summing up the determined variations of the respective attributes.

5. Visualization system according to one of the claims 2 to 4,

the display control unit generates a change list for displaying the change contents of the identified attributes for each manufacturing process, and displays the change list in association with the display object.

6. Visualization system according to one of the claims 1 to 5,

the display control unit associates information on the fraction defective and a final step in a plurality of production steps with each other on a time axis parallel to the time axis of the production steps for each production unit of the product.

7. Visualization system according to claim 6,

further comprising a third generation unit for generating bar graphs corresponding to the magnitude of the fraction defective for each unit of manufacture of the product based on the information on the fraction defective for each unit of manufacture of the product,

the display control unit associates each bar graph corresponding to each manufacturing unit of a product with a final step in a plurality of manufacturing steps, and arranges the bar graphs on a time axis parallel to the time axis of the manufacturing steps, and performs an emphasis display process for distinguishing the bar graph corresponding to a fraction defective exceeding a predetermined threshold value from the bar graph corresponding to a fraction defective not exceeding the predetermined threshold value.

8. Visualization system according to one of the claims 1 to 7,

the display control unit compares a planned line segment, which is a line segment connecting planned start times or planned end times between the first step and the second step based on planned processing time schedule values of the respective manufacturing steps in a manufacturing unit of a product, with the line segment generated by the first generation unit, and performs highlight display processing for distinguishing the line segment that differs from the line segment that does not exceed the predetermined allowable range with respect to the planned line segment that exceeds the predetermined allowable range.

9. A display device for visualizing a manufacturing status of a product manufactured sequentially through a plurality of manufacturing processes, the display device comprising:

a first generation unit that generates, for each manufacturing unit of a product, a line segment connecting a start time or an end time of a first step on a time axis of the first step and a start time or an end time of a second step on a time axis of the second step following the first step, the time axis of the second step being a time axis parallel to the time axis of the first step;

a second generation unit that specifies, based on a change log of process characteristic elements of each manufacturing process, a change in the process characteristic element that occurs in each of the first process and the second process, and generates a display object including an area indicating a magnitude of the change in the specified process characteristic element or an attribute of the changed process characteristic element; and

and a display control unit that causes a display device to display a line segment indicating each time axis corresponding to each manufacturing process, the line segment generated by the first generation unit, and the display object corresponding to each manufacturing process, and superimposes and disposes the display object corresponding to each of the first process and the second process at a position of a start time or an end time on each time axis of each process.

10. A program executed by a computer for visualizing a manufacturing status of a product manufactured through a plurality of manufacturing processes in sequence, the program causing the computer to execute:

a first process of generating, for each manufacturing unit of a product, a line segment connecting a start time or an end time of a first process on a time axis of the first process and a start time or an end time of a second process on a time axis of a second process subsequent to the first process, the time axis of the second process being a time axis parallel to the time axis of the first process;

a second process of specifying a change in the process characteristic element occurring in each of the first process and the second process based on a change log of the process characteristic element for each manufacturing process, and generating a display object including an area indicating a magnitude of the specified change in the process characteristic element or an attribute of the changed process characteristic element; and

and a third process of displaying, on a display device, a line segment indicating each time axis corresponding to each manufacturing process, the line segment generated by the first generation unit, and the display object corresponding to each manufacturing process, and superimposing the display objects corresponding to each of the first process and the second process at a position of a start time or an end time on each time axis of each process.

Technical Field

Embodiments of the present invention relate to a technique for visualizing a manufacturing state of a product manufactured sequentially through a plurality of manufacturing processes, and more particularly, to a technique for visualizing changes in process characteristic elements occurring in each manufacturing process.

Background

Conventionally, a Gantt chart (Gantt chart) is known as a technique for visualizing the manufacturing state of a product manufactured through a plurality of manufacturing processes in order. The gantt chart includes a plurality of manufacturing steps that are continuous in time series and arranged on the vertical axis, and a time axis that extends in parallel for each of the plurality of manufacturing steps and is arranged on the horizontal axis. Further, by drawing the start time and the end time on the time axis of each manufacturing process for each manufacturing unit (lot) of a product and connecting the start time and the end time on the time axes arranged in parallel with each other by a line segment, it is possible to visualize the manufacturing status for each manufacturing unit.

Disclosure of Invention

Technical problem to be solved by the invention

Provided is a visualization system capable of visualizing the manufacturing state of products manufactured sequentially through a plurality of manufacturing processes and displaying the changes of process characteristic elements occurring in each manufacturing process in a visually recognizable manner.

Means for solving the problems

Drawings

Fig. 1 is a block diagram showing the structure of a visualization system according to a first embodiment.

Fig. 2 is a diagram showing examples of data of actual manufacturing results and product events in the first embodiment.

Fig. 3 is a diagram showing an example of data of the change log according to the first embodiment.

Fig. 4 is a diagram showing a visual example of the manufacturing status in one manufacturing unit according to the first embodiment.

Fig. 5 is a diagram showing an example of a change visual marker (display object) according to the first embodiment.

Fig. 6 is a diagram showing an example of display of a change list of process characteristic elements associated with the change visualization marker of the first embodiment.

Fig. 7 is a diagram for explaining an example of highlighting a line segment connecting between manufacturing processes in the first embodiment.

Fig. 8 is a diagram showing an example of a visualization chart according to the visualization system of the first embodiment.

Fig. 9 is a diagram showing another example of a visualization chart relating to the visualization system according to the first embodiment.

Fig. 10 is a diagram showing a processing flow of the visualization system according to the first embodiment.

Fig. 11 is a diagram showing a flow of a process of generating the change visualization marker in fig. 5.

Fig. 12 is a diagram showing a flow of a process of generating a change visual marker shown in fig. 9.

Fig. 13 is a diagram showing a flow of processing for arranging the information on the fraction defective.

Fig. 14 is a diagram showing a modification of the change visual marker (display object) according to the first embodiment.

Fig. 15 is a view showing a visual modification of the manufacturing state of the first embodiment.

Fig. 16 is a diagram showing an example of a change list display of process characteristic elements associated with change visual markers in a modification of the first embodiment.

Fig. 17 is a diagram showing a modification example of the visualization chart according to the visualization system of the first embodiment.

The visualization system of an embodiment provides a technique of visualizing a manufacturing situation of a product manufactured sequentially through a plurality of manufacturing processes. The visualization system includes: a first generation unit that generates, for each manufacturing unit of a product, a line segment connecting a start time or an end time of a first step on a time axis of the first step and a start time or an end time of a second step following the first step on a time axis parallel to the time axis of the first step; a second generation unit that specifies a change in the process characteristic element occurring in each of the first and second processes based on a change log of the process characteristic element for each manufacturing process, and generates a display object including a region indicating a magnitude of the specified change in the process characteristic element or an attribute of the changed process characteristic element; and a display control unit that causes a display device to display time axes corresponding to the respective manufacturing processes, the line segment generated by the first generation unit, and the display object corresponding to the respective manufacturing processes, and causes the display device to display the display objects corresponding to the first and second processes while superimposing the display objects at positions corresponding to start times or end times on the time axes of the respective processes.