JP2004334355A - Process control system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To rapidly cope with abnormality when the abnormality occurs in a process. <P>SOLUTION: In this process control system, a server device 1 for centrally controlling various kinds of process data, a mail server device 6 for transmitting an electronic mail, data input terminal devices 8a1-8an for outputting the various kinds of process data to the server device, and reference terminal devices 8c1-8cn for referring to the various kinds of data stored in the server device 1 are connected to each other via a communication network 7. The server device 1 has: a database 2 for storing the various kinds of process data outputted from the data input terminal device; a data input processing part 3 for executing a registration process of the various kinds of process data to the database 2; a data output processing part 4 for totaling the various kinds of process data stored in the database and displaying them on the reference terminal device when a reading request of data from the reference terminal device is present; and an abnormality processing part 5 for analyzing the process data stored in the database, and transmitting the electronic mail recording contents of the abnormality from the mail server device 6 via the communication network 7 when it is decided that the process data are abnormal to a preset abnormality decision reference value. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a process management system, and more particularly, to a process management system in which a server device having a database, a data input terminal device, and a reference terminal device are connected via a communication network.
[0002]
[Prior art]
As shown in FIG. 7, the conventional process management system includes a manufacturing management system 60 inserted between each process 71 in the manufacturing process and a plurality of terminals 72. The manufacturing management system 60 includes a detecting unit 61 for detecting information regarding the manufacturing results and abnormalities, a storing unit 62 for storing the information detected by the detecting unit 61, and the information stored in the storing unit 62 to a specific terminal 72. It has a distribution unit 63 for distributing, and a warning unit 64 for transmitting warning information to the terminal 72 when the detection unit 61 detects information on an abnormality (for example, see Patent Document 1).
[0003]
[Patent Document 1]
JP-A-2002-258931 (page 3-4, FIG. 1)
[0004]
[Problems to be solved by the invention]
In the conventional manufacturing management system, information on abnormalities is distributed to a specific terminal 72 by the warning unit 64. For this reason, it is necessary to confirm at the specific terminal 72 in order to know the occurrence of the abnormality, and when the administrator is away from the specific terminal 72, it is not possible to know the abnormality. It may be difficult to take appropriate measures.
[0005]
Further, when an abnormality is detected, information relating to the abnormality is output from the step 71, and this information is detected by the detecting means 61. Therefore, although the abnormality can be detected, the process information is analyzed and the abnormality is detected. There is a problem that it is difficult to apply an advanced detection method that determines a tendency and detects an abnormality in advance.
[0006]
The present invention has been made in consideration of such problems, and stores information of a process in a server device in a concentrated manner, analyzes the information, and finds a case where a tendency to cause an abnormality or abnormality is recognized. By sending a warning by e-mail, you can know the abnormality everywhere, and if there is a tendency to lead to an abnormality, you will be notified by e-mail before the abnormality occurs, It is an object of the present invention to provide a process management system capable of taking a countermeasure before an abnormality occurs.
[0007]
[Means for Solving the Problems]
The process management system according to the first aspect of the present invention provides a server device that centrally manages various process data, a mail server device that sends an electronic mail, and one or more data input terminals that output various process data to the server device. An apparatus and a process management system in which one or a plurality of reference terminal devices that refer to various process data stored in the server device are connected via a communication network, wherein the server device is connected to the data input terminal device from the data input terminal device. A database for storing various process data to be output, a data input processing unit for registering various process data in the database, and various processes stored in the database when a data read request is issued from a reference terminal device A data output processing unit that aggregates data and displays it on the reference terminal device, and a process data stored in the database And an abnormality processing unit that transmits an e-mail describing the contents of the abnormality from a mail server device via a communication network when the abnormality is determined with respect to a preset abnormality determination reference value. It is characterized by.
[0008]
According to the first aspect of the present invention, the various process data is output from the data input terminal device to the server device, and is intensively stored in the database by the data input processing unit on the server device. The abnormality processing unit on the server device analyzes various process data stored in the database at arbitrary time intervals, for example, for a fixed time or for a fixed data amount, and when the analysis result tends to be abnormal or abnormal. If it is determined, an e-mail describing the content of the abnormality is transmitted from the mail server device. Thus, the manager can detect the abnormality of the process without monitoring the process, and can quickly respond to the abnormality.
[0009]
According to a second aspect of the present invention, in the process management system according to the first aspect, the data output processing unit has a setting unit for setting an abnormality determination method and a reference value for determination on an output screen. .
[0010]
According to the second aspect of the present invention, the data output processing section aggregates and displays various process data. The administrator uses the setting means to set an abnormality determination method and determination reference value suitable for each process data item while referring to the display, or to set an abnormal value for various process data items whose values are constantly changing. And the criteria for determining the tendency to cause abnormalities are set appropriately. These enable early detection of an abnormality and prevention of the occurrence of the abnormality.
[0011]
According to a third aspect of the present invention, in the process management system according to the first aspect, when an abnormality occurs in the process management system itself, the abnormality processing unit sends an e-mail describing the content of the abnormality via a communication network. It is characterized by having a system abnormality processing unit for transmitting from the mail server device.
[0012]
According to the third aspect of the present invention, when any abnormality occurs in the process management system, the system abnormality processing unit is called and an e-mail describing the contents of the abnormality is transmitted from the mail server device. As a result, it is possible to quickly respond to a system abnormality.
[0013]
According to a fourth aspect of the present invention, in the process management system according to the first aspect, a warning device that issues a warning when the abnormality processing unit determines that there is an abnormality is provided in one or both of the server device and the mail server device. It is characterized by having been done.
[0014]
According to the invention of claim 4, the warning device issues a warning when one or both of the server device and the mail server device are determined to be abnormal, so that even when the administrator cannot see the e-mail, We can know abnormality.
[0015]
The invention according to claim 5 is the process management system according to claim 1, wherein one or a plurality of mail receiving terminal devices for receiving an electronic mail are connected to the communication network, and each of the mail receiving terminal devices includes: It is characterized by having a warning device that issues a warning when receiving an electronic mail describing the content of the abnormality transmitted from the mail server device.
[0016]
According to the fifth aspect of the present invention, when the abnormality processing unit determines that an abnormality has occurred, the warning device of the mail receiving terminal device issues a warning. Therefore, even when the administrator cannot view the e-mail, the abnormality is known. be able to.
[0017]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described specifically with reference to the illustrated embodiments. In each embodiment, the same members are denoted by the same reference numerals and correspond to each other.
[0018]
(Embodiment 1)
FIG. 1 is a block diagram showing a configuration of the process management system according to the first embodiment of the present invention.
[0019]
The process management system in this embodiment includes a server device 1, a mail server device 6, one or more arbitrary number of data input terminal devices 8al to 8an and 8bl to 8bn, and one or more arbitrary number. It has reference terminal devices 8c1 to 8cn, which are connected by a communication network 7 such as a LAN.
[0020]
The server device 1 includes a database 2 for centrally storing various process data, a data input processing unit 3 for registering process data output from the data input terminal devices 8al to 8an, and 8bl to 8bn in the database 2. The data output processing unit 4 that processes various process data registered in the database 2 and displays it on the output screen 4a, and the various process data stored in the database 2 is analyzed by the abnormality determination unit 5a. An abnormality processing unit 6 that creates an e-mail describing the contents of the abnormality and transmits the electronic mail to the mail server device 6. The various process data are, for example, inspection results and adjustment data of products and intermediate products.
[0021]
Each of the data input terminal devices 8al to 8an includes a facility control program 9 for acquiring various process data from process facilities, and a data output processing unit 10 for transmitting process data to the server device 1.
[0022]
Each of the data input terminal devices 8b1 to 8bn includes a data input program 11 having an input screen 11a for inputting various process data, and a data output processing unit 10 for transmitting various process data to the server device 1.
[0023]
Each of the reference terminal devices 8c1 to 8cn calls and refers to various process data stored in the database 2.
[0024]
Next, the operation of the process management system according to this embodiment will be described.
[0025]
Various process data are input by the data input terminal devices 8al to 8an and 8bl to 8bn. The equipment control program 9 on the data input terminal devices 8al to 8an acquires various process data from the process equipment, and transmits the data from the data output processing unit 10 to the server device 1. Various process data input from the input screen 11a of the data input program 11 on the data input terminal devices 8bl to 8bn are transmitted to the server device 1 from the data output processing units 10 of the data input terminal devices 8bl to 8bn.
[0026]
The data input processing unit 3 of the server device 1 receives these various process data via the communication network 7 and stores them in the database 2.
[0027]
When referring to and outputting various process data stored in the database 2, the reference terminal devices 8 cl to 8 cn first access the server device 1 via the communication network 7. Then, the output screen 4a on the data output processing unit 4 is called on the reference terminal devices 8cl to 8cn. The conditions for referring to various process data by operating the reference terminal devices 8 cl to 8 cn are transmitted to the data output processing unit 4 via the communication network 7.
[0028]
The data output processing unit 4 extracts from the database 2 data that satisfies the conditions for referring to the process data transmitted from the reference terminal devices 8cl to 8cn. Then, after processing such as totalizing the process data is added, the process data is transmitted to the output screens of the reference terminal devices 8cl to 8cn via the communication network 7 and displayed. Thereby, desired process data can be grasped.
[0029]
The abnormality processing unit 5 of the server device 1 uses the abnormality determination unit 5a to analyze various process data stored in the database 2 at arbitrary time intervals, for example, at fixed time intervals or at fixed data amounts.
[0030]
FIG. 2 shows each example of the abnormality determination criterion for the process data. In FIG. 9A, it is determined that an abnormality occurs when there is data exceeding the range of the reference values 1 and 2 with respect to the process data totaled at an arbitrary time or the number of data. In FIG. 6B, when there is data that exceeds the range of the reference values 1 and 2 twice or more, it is determined that the data is abnormal. In FIG. 9C, when the data is on the same side seven times or more with respect to the reference value, it is determined to be abnormal. In the case of process data that determines pass / fail for inspection, a reference value is set for the total result of the pass rate and the number of defects, and if the total result falls below the reference value, an abnormal condition is set. Can also be determined. These reference values are set in advance. Note that the abnormality determination method in the abnormality processing unit 5 may be a determination method other than that described above.
[0031]
When it is determined that there is an abnormality or a tendency to cause an abnormality, an e-mail describing the contents of the abnormality is created and transmitted from the mail server device 6. The notification destination of the abnormality warning mail is classified for each process data item, and the person in charge of the process can receive the abnormality warning mail for a necessary item.
[0032]
In such an embodiment, various process data intensively stored in the database 2 is automatically analyzed, and a warning is issued in the case of an abnormality, so that the occurrence of the abnormality is detected without monitoring the process. And prompt response is possible. Further, since the abnormality is transmitted in the form of an e-mail, it can be received by an unspecified terminal or a mobile terminal such as a mobile phone. For this reason, the warning of the abnormality can be received anywhere. Furthermore, by performing an abnormality determination on a process data group extracted within a range such as time or the number of data, a warning can be issued when a tendency to cause an abnormality is observed, so that it is possible to issue a warning before the abnormality occurs. Effective measures can be taken.
[0033]
(Embodiment 2)
FIG. 3 is a process management system according to Embodiment 2 of the present invention, and shows a block diagram of the server device 1. In this embodiment, a setting unit 4b is added to the output screen 4a of the data output processing unit 4 with respect to the server device 1 of the first embodiment. The setting means 4b sets an abnormality determination method and a reference value for determination.
[0034]
In the present embodiment, when there is a data read request from the reference terminal devices 8cl to 8cn, the data output processing unit 4 needs the necessary process data items from the various process data stored in the database 2 for the target process data items. The tallying process is performed and displayed on the output screen 4a. On the output screen, the process data is displayed as a graph as shown in FIGS. A setting screen by the setting means 4b is displayed on the output screen 4a, and when setting an abnormality determination method or an abnormality determination reference value, the setting screen is totaled and displayed for each process data item on the reference terminal devices 8cl to 8cn. With reference to the graph of FIG. 2, for example, which abnormality determination method of FIGS. 2A to 2C is used, or an abnormality determination reference value in each abnormality determination method to be used is set.
[0035]
According to this embodiment, the reference value used for the abnormality determination reference in the abnormality determination unit 5a of the abnormality processing unit 5 can be set while confirming the process data on the screens of the reference terminal devices 8cl to 8cn. For this reason, it is possible to set an appropriate abnormality determination criterion for various process data items whose values are constantly changing.
[0036]
(Embodiment 3)
FIG. 4 is a block diagram of the server device 1, which is a process management system according to the third embodiment of the present invention. In this embodiment, a system abnormality processing unit 5b is added to the server device 1 of the first embodiment.
[0037]
The system abnormality processing unit 5b transmits an e-mail describing the contents of the abnormality from the mail server device 6 via the communication network 7 when an abnormality occurs in the process management system itself.
[0038]
In this embodiment, for example, when an error occurs in the data output processing unit 10 on the data input terminal devices 8al to 8an and data is not transferred to the server device 1, the data output processing unit 10 causes a system error of the error processing unit 5 Call the processing unit 5b. The system abnormality processing unit 5b determines which part of the management system of the process is abnormal, and transmits an e-mail describing the state of the abnormality from the mail server device 6.
[0039]
For example, when an abnormality occurs in the data input terminal devices 8al to 8an and the process data is not output to the server device 1, the abnormality determination unit 5a of the abnormality processing unit 5 issues a warning because the analysis result of the process data is not abnormal. It does not occur, but an abnormality may have occurred in the process. According to this embodiment, when any abnormality occurs in the process management system, the content of the abnormality is notified by e-mail, so that it is possible to quickly respond to the abnormality in the process management system.
[0040]
(Embodiment 4)
FIG. 5 is a block diagram of the process management system according to the fourth embodiment of the present invention, which shows the server device 1 and the mail server device 6. In this embodiment, a warning device 12 is added to one or both of the server device 1 and the mail server device 6 as compared with the first to third embodiments.
[0041]
The warning device 12 issues a warning when the abnormality processing unit determines an abnormality.
[0042]
In this embodiment, when the abnormality processing unit 5 determines that an abnormality has occurred, the mail server device 6 transmits an e-mail describing the details of the abnormality, and either or both of the server device 1 and the mail server device 6. The warning device 12 provided in the device issues a warning. This warning is performed by other means such as generating a warning sound such as a buzzer, turning on a warning lamp, or displaying a warning on a screen.
[0043]
Therefore, in this embodiment, even when the administrator cannot view the e-mail when an abnormality occurs and the warning is notified by the e-mail, the warning on the server device 1 or the mail server device 6 can be obtained. If the warning sound or warning display emitted from the device 12 or the warning lamp or the like is within a perceptible range, the abnormality can be known.
[0044]
(Embodiment 5)
FIG. 6 shows a process management system according to Embodiment 5 of the present invention. In this embodiment, one or more arbitrary number of mail receiving terminal devices 8d1 to 8dn are added to the first embodiment.
[0045]
The mail receiving terminal devices 8d1 to 8dn are connected to the server device 1 and the mail server device 6 via the communication network 7, and receive e-mail from the mail server device 6. Further, each of the mail receiving terminal devices 8d1 to 8dn includes a warning device 12 similar to that of the fourth embodiment shown in FIG.
[0046]
In this embodiment, when the abnormality processing unit 5 determines that an abnormality has occurred, the mail server device 6 transmits an e-mail describing the details of the abnormality. This e-mail is received by the mail receiving terminal devices 8dl to 8dn. Thereby, the warning device 12 on the mail receiving terminal devices 8dl to 8dn gives a warning. This warning is performed by other means such as generating a warning sound such as a buzzer, turning on a warning lamp, or displaying a warning on a screen.
[0047]
In such an embodiment, when an abnormality occurs and a warning is notified by e-mail, even if the administrator cannot view the e-mail, the warning device on the mail receiving terminal devices 8dl to 8dn is used. An abnormality can be known if the warning sound or warning display emitted from the lamp 12 or the warning lamp or the like is within a perceptible range.
[0048]
【The invention's effect】
As described above, according to the first aspect of the invention, various process data are centrally stored in the database on the server device, and the abnormality processing unit analyzes the various process data stored in the database and determines that the process is abnormal. In this case, an e-mail describing the contents of the abnormality is sent from the mail server device, and the e-mail is received by an unspecified terminal or a portable terminal such as a mobile phone so that the abnormality of the process can be known from any place. be able to. Thereby, a quick response to the abnormality can be performed.
[0049]
According to the second aspect of the present invention, in addition to the effects of the first aspect of the present invention, since an abnormality determination method and a reference value for abnormality determination can be set, various process data items whose values are constantly changing can be set. Thus, an appropriate abnormality can be determined. In addition, when there is a tendency to lead to an abnormality, a warning is issued by e-mail, whereby occurrence of an abnormality in the process can be prevented.
[0050]
According to the invention of claim 3, in addition to the effect of the invention of claim 1, even when an abnormality occurs in the process management system itself, the abnormality is notified by e-mail, so that the process is managed by the abnormality of the system itself. Even if the process cannot be performed and a process abnormality cannot be detected, a quick response can be taken.
[0051]
According to the invention of claim 4, in addition to the effect of the invention of claim 1, the warning device issues a warning when the abnormality processing unit determines abnormality, so that the administrator cannot view the e-mail. Even if you do, you can know the abnormality.
[0052]
According to the fifth aspect of the present invention, in addition to the effect of the first aspect of the present invention, when the abnormality processing unit 5 determines an abnormality, the warning device of the mail receiving terminal device issues a warning. Even if you are in a situation where you cannot see it, you can know the abnormality.
[Brief description of the drawings]
FIG. 1 is an overall block diagram according to Embodiment 1 of the present invention.
FIG. 2 is a graph showing an example of a method for determining an abnormality.
FIG. 3 is a block diagram according to a second embodiment.
FIG. 4 is a block diagram according to a third embodiment.
FIG. 5 is a block diagram according to a fourth embodiment.
FIG. 6 is a block diagram according to a fifth embodiment.
FIG. 7 is a block diagram showing a configuration of a conventional manufacturing management system.
[Explanation of symbols]
Reference Signs List 1 server device 2 database 3 data input processing unit 4 data output processing unit 4a output screen 4b setting means 5 abnormality processing unit 5a abnormality determination unit 5b system abnormality processing unit 6 mail server device 7 communication networks 8al to 8an, 8bl to 8bn Data input Terminal devices 8cl to 8cn Reference terminal devices 8dl to 8dn Mail receiving terminal device 9 Facility control program 10 Data output processing unit 11 Data input program 11a Data input screen 12 Warning device

Claims (5)

A server device for centrally managing various process data, a mail server device for transmitting e-mail, one or more data input terminal devices for outputting various process data to the server device, and various processes stored in the server device A process management system in which one or more reference terminal devices that refer to data are connected via a communication network,
The server device includes a database that stores various process data output from the data input terminal device, a data input processing unit that performs registration processing of various process data in the database, and a data read request from the reference terminal device. When there is, a data output processing unit that totals various process data stored in the database and displays it on the reference terminal device, analyzes the process data stored in the database, and determines that the abnormality is abnormal with respect to a preset abnormality determination reference value. A failure management unit that, when determined, transmits an email describing the content of the abnormality from a mail server device via a communication network. 2. The process management system according to claim 1, wherein the data output processing unit includes a setting unit that sets an abnormality determination method and a reference value for determination on an output screen. The process management system according to claim 1,
Wherein the abnormality processing unit has a system abnormality processing unit that, when an abnormality occurs in the process management system itself, transmits an e-mail describing the content of the abnormality from a mail server device via a communication network. system. The process management system according to claim 1,
A process management system, wherein a warning device that issues a warning when the abnormality processing unit determines that an abnormality has occurred is provided in one or both of the server device and the mail server device. The process management system according to claim 1,
One or a plurality of mail receiving terminal devices for receiving the electronic mail are connected to the communication network, and each of the mail receiving terminal devices receives the electronic mail in which the content of the abnormality transmitted from the mail server device is described. A process control system comprising a warning device for issuing a warning when the process is performed.

Images