JPH04257967A - Load adjustment simulator - Google Patents

Abstract

PURPOSE:To execute load adjustment simulation in a short time by displaying the three-dimensional graph of time, process facility and load amount on the screen of a display, automatically recalculating an influence exerting upon the others due to the change input of a certain point, and displaying the graph again. CONSTITUTION:A graph constituting device 2 is equipped with a means to constitute the three-dimensional graph of the period of times, load amount and process facility and when a change instruction is received from an input device 4, the three-dimensional graph of the period of times, load amount and process facility is constituted again and displayed at a display device 3 while referring to information in a data base 1. In this case, when the change instruction executed by a user on the screen of the display device 3 is received from the input device 4, a graph reconstituting device 5 retrieves information required for the change from the data base 1.

Description

[Detailed description of the invention]

0001

[Industrial Application Field] The present invention is utilized for simulation of process load planning and adjustment in production management work. The present invention relates to a load adjustment simulation device that can grasp the load status of other equipment in a short time during load adjustment.

0002

2. Description of the Related Art Conventionally, the process load status displayed on a display device has been fixed to one piece of equipment and shown two-dimensionally in terms of period and load amount. If you change the delivery date of a certain lot and adjust the load on a certain piece of equipment, the load status of other equipment used in that lot and pre- and post-process equipment will also change, but in order to confirm this, specify the equipment name. , the screen was switched and referenced.

0003

[Problem to be Solved by the Invention] With such conventional load adjustment simulation devices, when the load of one piece of equipment is adjusted, the load on other equipment cannot be grasped without changing the screen, which requires a lot of time for simulation work. Was.

SUMMARY OF THE INVENTION The present invention is intended to solve these problems, and an object of the present invention is to provide a device that can grasp the load status of other equipment without switching screens when load adjustment is performed.

[0005]

[Means for Solving the Problems] The present invention provides a database that stores the basic capacity of each process equipment, the amount of load applied to each process equipment when each product (part) is manufactured in a unit quantity, and manufacturing lot information. , a graph construction device that searches this database and constructs a two-dimensional graph of periods and loads, a display device that displays the graph constructed by this graph construction device, and a graph displayed on the screen of this display device. When the operator points to
A load adjustment simulation device comprising an input device for inputting the position information to the display device,
The graph construction device includes means for configuring a three-dimensional graph of periods, loads, and process equipment, and when receiving a change instruction from the input device, refers to information in the database to determine periods, loads, and process equipment. , and a graph reconstruction device that reconstructs a three-dimensional graph of process equipment and displays it on the display device.

[0006] The graph reconstruction device includes means for searching the database for information necessary for making the change when the user receives a change instruction from the input device on the screen of the display device; Preferably, the manufacturing lot information stored in the database includes lot start and completion times, manufacturing quantities, and next-process equipment information.

[0007]

[Effect] Basic capacity of each process equipment, amount of load on each process equipment when each product (part) is manufactured in unit quantities, and manufacturing lot information (lot start, completion time, manufacturing quantity, next process information) A three-dimensional graph of process equipment, period, and load amount is constructed and displayed on a display device. By pointing at the graph displayed on the display device, position information is input, and a three-dimensional graph is reconstructed from the input position information and information in the database.

[0008] In this way, time, process equipment, and load amount are displayed in a three-dimensional graph on the screen of a display device,
By automatically recalculating the impact of inputting a change in one location on others and redisplaying the graph, you can perform load adjustment simulations in a short time without switching screens. can.

[0009]

Embodiments Next, embodiments of the present invention will be explained based on the drawings. FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

[0010] The embodiments of the present invention are based on the basic capabilities of each process equipment,
A database 1 that stores the amount of load applied to each process equipment and manufacturing lot information when each product (part) is manufactured in unit quantities, and a graph construction device that searches this database 1 and constructs a graph of periods and loads. 2, a display device 3 that displays the graph constructed by the graph construction device 2; and when the operator 6 points to the graph displayed on the screen of the display device 3, the position information is displayed on the display device 3; Input device 4 for inputting to
Further, as a feature of the present invention, the graph construction device 2 includes means for constructing a three-dimensional graph of periods, loads, and process equipment, and when receiving a change instruction from the input device 4, a graph reconstruction device 5 that reconstructs a three-dimensional graph of the period, load amount, and process equipment by referring to information in 1 and displays it on a display device 3;
The graph reconstruction device 5 has a display device 3
When a change instruction made on the screen is received from the input device 4, the manufacturing lot information stored in the database 1 includes means for searching the database 1 for information necessary for the change. Includes completion time, manufacturing quantity, and next process equipment information.

FIG. 2 shows the load amount, start date, and completion date of each process equipment M1, M2, and M3 for a certain order of product A. When considering a factory where multiple similar orders exist at the same time, the relationship between time and the amount of load applied to each process equipment can be expressed in a three-dimensional bar graph as shown in FIG. When the period for which you want to perform load adjustment simulation is input, the graph construction device 2 calculates the basic capacity of each process equipment and each product (part) corresponding to that period.
The amount of load applied to each process equipment when a unit quantity is manufactured, and manufacturing lot information (lot start and completion times,
A three-dimensional bar graph with time on the X axis, load ratio on the Y axis, and process equipment on the Z axis is displayed on the screen of the display device 3.

Next, the operator 6 operates the process equipment M during period t3.
It is determined that the load of 1 is too high, and the period t3 is sent from the input device 4.
, load LA1 due to product A on process equipment M1 during period t
4, the work using process equipment M1 for product A has been shifted one period later.
Similarly, the work schedule using M2 and M3 is changed, and the load status of M2 and M3 needs to be changed accordingly. In this embodiment, the graph reconstruction device 5 recognizes changes in the load status of other process equipment and periods due to this change in a certain location by searching the database 1, and redisplays the load status graph.

[0013]

Effects of the Invention As explained above, according to the present invention, time, process equipment, and load amount are displayed on the display screen as a three-dimensional graph.
By automatically recalculating the change (change) and redisplaying the graph, there is an effect that the load adjustment simulation can be executed in a short time.

[0014]

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing the configuration of an embodiment of the present invention.

FIG. 2 is a diagram showing an example of the amount of load applied to each process equipment of product A in the embodiment of the present invention.

FIG. 3 is a diagram showing an example of a three-dimensional graph of time, process equipment, and load factor displayed on a display screen in an embodiment of the present invention.

[Explanation of symbols]

1 Database 2 Graph construction device 3 Display device 4 Input device 5 Graph reconstruction device 6 Operator

Claims (3)

[Claims] 1. A database that stores the basic capacity of each process equipment, the amount of load applied to each process equipment when each product (part) is manufactured in unit quantities, and manufacturing lot information;
A graph construction device that searches this database and constructs a two-dimensional graph of period and load amount, a display device that displays the graph constructed by this graph construction device, and operates the graph displayed on the screen of this display device. In the load adjustment simulation device, the graph configuring device includes: an input device that inputs position information to the display device when a person points at the display device;
The device includes means for configuring a three-dimensional graph of the period, load amount, and process equipment, and when receiving a change instruction from the input device, refers to information in the database to create a three-dimensional graph of the period, load amount, and process equipment. A load adjustment simulation device comprising a graph reconstruction device that reconstructs an original graph and displays it on the display device. 2. The graph reconstruction device includes means for searching the database for information necessary for making the change when receiving a change instruction made by a user on the screen of the display device from the input device. The load adjustment simulation device according to claim 1, further comprising a load adjustment simulation device. 3. The load adjustment simulation device according to claim 1, wherein the manufacturing lot information stored in the database includes lot start and completion times, manufacturing quantities, and next process equipment information.