WO2012011641A1

WO2012011641A1 - Method for analyzing a process to enhance productivity

Info

Publication number: WO2012011641A1
Application number: PCT/KR2010/008824
Authority: WO
Inventors: 이진용
Original assignee: Lee Jin Yong
Priority date: 2010-07-23
Filing date: 2010-12-10
Publication date: 2012-01-26

Abstract

The present invention relates to a method for analyzing a process to enhance productivity, and more particularly, to a method for analyzing a process such that a user can analyze a process easily using moving pictures of a manufacturing site. The method for analyzing a process according to the present invention is a method for analyzing the process of a manufacturing site, and comprises: a playback step of playing back moving pictures of a manufacturing site; a classification step of classifying the moving pictures being played back by a motion component in the playback step; and a step of analyzing multiple motions by playing back the multiple moving pictures classified by a motion component in the classification step, starting the playback at starting points set by a user through the multiple moving pictures, and displaying the motion components through the multiple moving pictures in a candle stick form according to the starting point.

Description

Process Analysis Methods for Improved Productivity

The present invention relates to a process analysis method for improving productivity, and more particularly, to a process analysis method that allows a user to easily analyze a process using a manufacturing site video.

In general, process analytical methods are used at manufacturing sites to produce the most efficient products of a certain quality, quantity and price in a given time.

Process analysis method analyzes the production process and working method to create basic data such as establishment of process control system, leveling of process load, improvement of working method and design.

Process analysis methods include scale models, graphs, diagrams, symbolic equations, statistical equations, mathematical equations, descriptive equations, etc., commonly used are schematic or symbolic equations. The analysis is shown in the process analysis table in order from the raw material to the production process, and the process name, production quantity, conveying distance, conveying quantity, each required time, machine name and conveying device name are identified as necessary to confirm the production activity. In addition, motion analysis is performed for each task.

However, the conventional process analysis method is not linked to the actual manufacturing site such as the operator's operation, so the process analysis was not easy.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a process analysis method that makes it possible to more easily analyze the process using a video obtained by photographing the manufacturing site.

In order to achieve the above object, the process analysis method of the present invention comprises a method for analyzing the process of the manufacturing site, the reproduction step of reproducing the video of the manufacturing site; A classification step of classifying a video being played in the playing step by operation elements; And playing a plurality of videos classified by operation elements by the sorting step, and starting playback at a start time set by a user for each of the plurality of videos, and operating elements by the plurality of videos at the start time in the form of a bar chart. Characterized in that it comprises a multi-activity analysis step to display accordingly.

In addition, the operation element in the classification step is characterized in that it consists of at least necessary elements of the necessary elements and waste elements.

In addition, the process analysis method of the present invention simultaneously plays back a plurality of videos classified by operation elements by the classification step, and displays the operation elements for each of the plurality of videos being played at the same time, but displays the time for each operation element A comparative analysis step may be further included.

In addition, the process analysis method of the present invention is a man machine to play the video classified for each operation element by the classification step, and to display the operation elements classified in the classification step and the machine working time set by the user in a line chart form It may further comprise a (Man Machine) analysis step.

In addition, the process analysis method of the present invention sequentially or simultaneously play a plurality of videos classified by operation elements by the classification step in a predetermined order, and the play time of the plurality of videos being played sequentially or simultaneously And displaying the operation elements of the plurality of videos being played sequentially or simultaneously, and displaying the operation time of another video compared to the playing time of the video having the maximum playing time among the plurality of videos being played sequentially or simultaneously. The method may further include a line balance analysis step of calculating a ratio and displaying an average value.

In addition, the waste elements of the plurality of moving images classified by the operation elements by the sorting step may be different from the necessary elements when the waste elements are reproduced.

In addition, the necessary elements and the wasted elements are characterized by being classified by the user's mouse click on the video being played.

According to the process analysis method of the present invention, as the user can easily analyze the process using the video of the manufacturing site, it is possible to expect the effect of shortening the production period, reducing the supply, improving the production process and improving the layout. have.

1 and 2 are flowcharts illustrating a process analysis method according to an embodiment of the present invention.

3 is a frame structure of a manufacturing site video according to an embodiment of the present invention.

4 to 14 are diagrams showing execution screens of a program (hereinafter, referred to as a 'process analysis solution') for executing the process analysis method of the present invention.

Hereinafter, a process analysis method according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in detail.

When a user (hereinafter, a user means a user who uses a process analysis solution) executes a process analysis solution and selects a master file management menu, as shown in FIG. 4, the master file is newly registered, modified, deleted, and A screen will appear allowing you to save.

Next, when the user newly registers and saves the master file and selects the job analysis menu, as shown in FIG. 5, the master file list and the job file are newly registered (job name input and video selection), modified, and copied. A screen will appear allowing you to delete, save, and save. In FIG. 5, reference numeral 11 denotes a job analysis button for executing a job measurement module, and reference numeral 12 denotes a job edit button for editing and inquiring a measured process.

When the user clicks on the job analysis button 11 or the job editing button 12 with a mouse, a screen is displayed for job analysis, reanalysis and inquiry as shown in FIG. In FIG. 6, 13 is a video, 14 is an analysis / reanalysis / query selection button, 15 is a video previous / rewind / backward / pause / play / fast forward / next button, 16 Is a playback speed selection button, 17 is a job type selection button, 18 is a list of motion elements, 19 is a current video position, and 20 is a job name of the currently playing motion element. To indicate.

The process analysis solution executes the job analysis step S10 as shown in FIG. 1 when the user clicks the analysis on the button 14 with a mouse.

First, in step S11 a video is played.

Then, in step S13, the video being played is classified by operation elements, as shown in FIG. Here, each operating element may be classified into a necessary element having added value and a waste element having no added value. In addition, the necessary elements can be classified into the preparation operation element and the present operation element. An example of the classification method is as follows.

If the user clicks the left mouse button while the mouse pointer is over the video being played, the process analysis solution pauses the video and selects the click point as the start of action element 1 and the start of required element 1. At this time, when the user manipulates the mouse wheel, the process analysis solution moves the video by 1 frame unit. When the user presses the left mouse button at the move point, adjusts that point to the start of motion element 1 and to the start of required element 1, and then plays the video again.

Next, if the user right-clicks with the mouse over the video being played, the process analysis solution pauses the video and selects the click point as the end point of required element 1 as well as the start of the waste element. . The process analysis solution adjusts this point according to the method described above, and then resumes video playback. Here, when the user clicks the left button instead of the right button, the corresponding point is selected as the end point of the operation element 1, the end point of the required element 1, and the start point of the operation element 2.

Next, if the user right-clicks again with the mouse over the video being played, the process analysis solution pauses the video and selects the click point as the end point of the waste element and the start point of the required element 2. do. The process analysis solution adjusts this point according to the method described above and then plays the video again. Here, when the user clicks the left button instead of the right button, the corresponding point is selected as an end point of the waste element, an end point of the operation element 1, and a start point of the operation element 2.

Next, if the user clicks the left mouse button over the video being played, the process analysis solution pauses the video and sets the click point to the end point of element 2, the end point of action element 1, and the action element. Select as starting point of 2. The process analysis solution also adjusts this point according to the method described above, then plays the video again.

In a nutshell, the left mouse button is a button for selecting the start point of the action element (which is also the start point of the first required element) and the end point of the action element (which is also the end point of the last required element), The right mouse button is a button for selecting the start point of the waste element (which is also the end point of the required element) and the end point of the waste element (also the start point of the required element).

In addition, the process analysis solution lists up the defined operating elements to the operating element list 18 when one operating element is defined according to the above classification method. Then, the user can check the starting point and time of the operation element, the time of the required element and the time of the waste element in the operation element list 18. In addition, the user can write the name of the defined operation element in the operation element list 18 and store it.

In addition, the process analysis solution displays the necessary elements in green, the waste elements in red, and the undefined portions (unmeasured intervals) in white when playing a video. This border color coding applies to the modes described below.

When the user clicks on the reanalysis at the button 14 with the mouse, the process analysis solution executes the reanalysis step S20 as shown in FIG. 1.

First, in step S21 a video is played.

Then, in step S23, the video being played is reclassified by motion elements. In other words, when the user clicks on an arbitrary operation element in the operation element list 18 with a mouse, the process analysis solution moves the moving image position to the start point of the operation element and readjusts the starting point of the operation element. In addition, the process analysis solution provides the ability to merge or divide each defined operating element, as shown in FIG. Process analysis solutions also provide the ability to eliminate waste.

When the user clicks the inquiry on the button 14 with the mouse, the process analysis solution executes the inquiry step S30 as shown in FIG.

First, a video is played back in step S31.

In addition, in step S33, the motion elements of the video being played are displayed on the motion element list 18.

In addition, the process analysis solution, as shown in Figure 8, can play the video without waste. In FIG. 8, reference numeral 21 denotes a waste element exclusion mode selection button.

In addition, the process analysis solution allows the currently playing element in the action element list 18 to be highlighted in orange, for example, as shown in FIG. Accordingly, it is possible to easily recognize which operation element is the part currently being played.

The comparative analysis mode is a mode for comparatively analyzing the same tasks.

As shown in FIG. 4, when the user selects a comparative analysis menu, the process analysis solution executes a comparative analysis step (S40) of comparing and analyzing videos having the same work contents that have been analyzed as shown in FIG. 1. .

First, in step S41, the video selected by the user is simultaneously played back as shown in FIG.

In addition, in step S43, the time and name of the operation element of each of the moving images are displayed. At this time, the process analysis solution highlights the currently playing element in the action element list 18, as shown in FIG. In FIG. 9, reference numeral 22 denotes buttons for simultaneously controlling (playing, playing back, pausing, rewinding, and fast-forwarding) moving images.

In addition, the process analysis solution moves the video forward or backward by one frame as the user operates the direction key in the mouse wheel or the keyboard while the video is paused by the button 22 operation.

In addition, process analysis solutions provide the ability to control video individually. For example, the process analysis solution pauses the video when the user clicks the mouse button while the mouse pointer is over any video, and resumes playback when the user clicks again.

As the process analysis solution provides such a comparative analysis mode, the user can easily compare and analyze the work proficiency and the working time among the workers.

The multiple activity analysis mode is a mode for comparatively analyzing tasks related to each other.

In the process analysis solution, as shown in FIG. 4, when the user selects the multi-activity analysis menu from the allied work analysis menu, as shown in FIG. 2, the analysis is performed to compare and analyze moving images related to each other. The multi-activity analysis step S50 is executed.

First, in step S51, as shown in FIG. 10, the start points of the moving pictures are reproduced differently. For example, in the process analysis solution, as shown in FIG. 11, when the user moves the display position of the operation element list B for the video B up and down by using a mouse and clicks the play button, the video A immediately starts playback. Video B starts playback at the point corresponding to the moved point.

In operation S53, as illustrated in FIG. 11, motion elements are displayed for each video in the form of a bar chart according to a corresponding start time.

As the process analysis solution provides this multi-activity analysis mode, users can easily analyze what elements of the action need time savings to improve their productivity, and how changing work sequences can help increase productivity. do.

The man machine analysis mode is a mode for comparing and analyzing manual and mechanical work.

In the process analysis solution, as shown in FIG. 4, when the user selects a man machine analysis menu from the allied work analysis menu, as shown in FIG. 2, a man machine analysis comparing and analyzing manual and machine operations in the analyzed video is performed. Step S60 is executed.

First, when the user selects a man machine analysis menu, the process analysis solution displays a screen as shown in FIGS. 12 and 13. In FIG. 12 and FIG. 13, reference numeral 23 denotes a work list indicating a work time according to work contents, reference numeral 24 denotes a line chart showing a work time according to work contents in a line form according to a work order, and reference numeral 25 denotes a man machine analysis. This video is selected by the user. Here, the work content refers to an operation element previously defined in the work analysis mode or the reanalysis mode. In addition, the work time is divided into manual work (manual) time and mechanical work (equipment work) time. In addition, the manual work time refers to the time of an operation element defined in the work analysis mode or the reanalysis mode, and may include a walking time and a waiting time.

Next, the user inputs a walking time for the work content with the worker walk, a waiting time for the work content with the worker waiting, and a machine work time for the work content with the machine work in the work list 23.

Next, the process analysis solution reproduces the video corresponding to the work list 23 (step S61). Furthermore, the line chart 24 is displayed according to the work list 23 which the user created (step S63).

As the process analysis solution provides this man-machine analysis mode, the user can easily analyze the work required for the machine working time and the time required to reduce the time.

The line balance analysis mode is a mode for comparatively analyzing operations performed in order.

In the process analysis solution, as shown in FIG. 4, when the user selects the line balance analysis menu, as shown in FIG. 2, the line balance analysis step (S70) of comparing and analyzing the moving images sequentially performed as shown in FIG. 2. Run

First, in step S71, as shown in Fig. 14, the moving pictures are played back in the order set by the user or at the same time.

In addition, in step S73, as illustrated in FIG. 14, the playback time of each video is displayed in the form of a bar chart, and operation elements of each of the video are displayed below the bar chart.

Further, in step S75, the line balance efficiency is calculated and displayed on the rod chart. Here, the line balance efficiency means a value obtained by calculating a ratio of the play time of other videos to the play time of the video having the maximum play time, and calculating the average thereof.

In FIG. 14, reference numeral 26 denotes a button for moving an operation element. For example, if a user moves any moving element of video C to video D using this button 26, the process analysis solution resizes each bar chart and recalculates and displays the line balance efficiency accordingly. .

As the process analysis solution provides this line balance analysis mode, the user can redistribute the work to the workers to improve the line balance efficiency.

The process analysis method of the present invention is not limited to the above-described embodiments and can be carried out in various modifications within the range allowed by the technical idea of the present invention.

Claims

In a method for analyzing the manufacturing site process,

A playback step of playing a video of the manufacturing site;

A classification step of classifying a video being played in the playing step by operation elements; And

Play a plurality of videos classified by the operation element by the classification step, but start playback at the start time set by the user for each of the plurality of videos, and match the operation elements by the plurality of videos to the start time in the form of a bar chart. Process analysis method comprising the step of displaying multiple activity analysis.
The method of claim 1, wherein the operating element in the classification step,

Process analysis method, characterized in that consisting of at least the necessary elements and waste elements.
The method of claim 2,

And simultaneously performing a plurality of videos classified according to the operation elements by the classification step and displaying the operation elements for the plurality of videos being simultaneously played, and displaying the time for each operation element. Characterized by a process analysis method.
The method of claim 2,

The method may further include a man machine analysis step of reproducing a video classified by operation elements by the classification step and displaying the operation elements classified in the classification step and the machine working time set by the user in a line chart form. Process analysis method, characterized in that made.
The method of claim 2,

The plurality of videos classified by the operation elements by the sorting step are sequentially or simultaneously played in a predetermined order, and the playing times of the plurality of videos being sequentially or simultaneously being played are displayed in a bar chart form, and the Or a line for displaying operation elements of a plurality of videos being played simultaneously, and calculating an ratio of the play time of another video to the play time of the video having the maximum play time among the plurality of videos being sequentially or simultaneously played and displaying an average value. Process analysis method characterized in that it further comprises a balance analysis step.
The method of claim 2, wherein the wasted elements of the plurality of moving images classified by operation elements by the classification step,

When reproduced, the process analysis method characterized in that the video frame color is different from the required element.
The method according to claim 2, wherein the required element and the waste element,

Process analysis method characterized in that the classification by the user's mouse click on the video being played.
A computer readable medium having recorded thereon a program for executing the process analysis method according to any one of claims 1 to 7.