JP7013968B2 - Information processing equipment, process plan display method and process plan display program - Google Patents

Description

The present invention relates to an information processing apparatus, a process plan display method, and a process plan display program.

In the process design of line production, the information processing device allocates work to automatic machines such as people (workers) and robots, and each workload is represented by a load table (stacking table) and presented to the process designer. By doing so, the process designer may be asked to confirm the validity of the allocation result. In addition, since the environment surrounding the production line changes from moment to moment, the frequency of reexamining the process plan is increasing, and the number of times the process designer confirms the validity of the process plan is increasing.

Japanese Unexamined Patent Publication No. 7-141438 Japanese Unexamined Patent Publication No. 6-52178

However, it is difficult for the process designer to judge the quality of the process plan only by checking the load table.

In one aspect, it is an object of the present invention to provide an information processing apparatus, a process plan display method, and a process plan display program capable of easily confirming the quality of a process plan.

In one embodiment, the information processing apparatus has a change unit for changing a process plan in which a plurality of works related to product assembly are assigned to a plurality of processes, and the execution order of each work in the changed process plan as the first axis. , The first display unit that displays the first map plotting each work on the first coordinate system with the execution order of each work in the process plan before the change as the second axis, and the configuration of the parts included in the product. Based on the product configuration data shown in the tree structure, configuration order information whose values are closer to the work to be performed collectively is assigned to the plurality of work, and the execution order of each work in the changed process plan is set as the first axis. A second display unit for displaying a second map in which each work is plotted on a second coordinate system with the configuration order information as the second axis side by side with the first map is provided.

It is possible to easily confirm the quality of the process plan.

It is a figure which shows schematic the hardware composition of the information processing apparatus which concerns on one Embodiment. It is a functional block diagram of an information processing apparatus. FIG. 3A is a diagram showing products to be assembled in one embodiment, and FIG. 3B is a diagram showing product configuration data of the product of FIG. 3A. It is a figure which shows the load table before change. It is a figure which shows the robot system. It is a flowchart which shows the process which the information processing apparatus performs. It is a figure which shows the setting screen. It is a figure which shows the load table after the change. It is a map which shows the load amount of each process. It is a map showing the difference between the process plan before the change and the process plan after the change. 11 (a) and 11 (b) are diagrams for explaining a method of calculating the protection rate. It is a map which shows the difference of the work order based on the component composition between the work which became the context in the process plan after the change. It is a figure which shows the product composition work table. 14 (a) and 14 (b) are diagrams for explaining a method of calculating the unit aggregation rate. 15 (a) to 15 (c) are diagrams (No. 1) showing a map display example. 16 (a) to 16 (c) are diagrams (No. 2) showing a map display example. 17 (a) to 17 (c) are diagrams (No. 3) showing a map display example.

Hereinafter, an embodiment of an information processing apparatus that supports process planning by a process designer will be described in detail with reference to FIGS. 1 to 17.

The information processing device 10 of the present embodiment is a device that generates a process plan (a work allocation plan for a person or a robot system) in an assembly line including a person and a robot system, and displays information about the process plan. The process designer determines the validity of the process plan based on the displayed information, and corrects the process plan as necessary.

In the present embodiment, the assembly line transports products from process to process by a belt conveyor (not shown) or the like. A human or robotic system is placed in each process of the assembly line. The human or robot system assigned to each process carries out the work assigned by the process plan for the product transported on the assembly line to manufacture the product. The number of humans and robot systems is arbitrary. Therefore, the number of robot systems may be one or a plurality. Also, the robot system does not have to exist.

FIG. 1 shows the hardware configuration of the information processing apparatus 10. The information processing device 10 is, for example, a PC (Personal Computer) or the like, and as shown in FIG. 1, a CPU (Central Processing Unit) 90, a ROM (Read Only Memory) 92, a RAM (Random Access Memory) 94, and a storage unit ( Here, an HDD (Hard Disk Drive) 96, a network interface 97, a portable storage medium drive 99, a display unit 93, an input unit 95, and the like are provided. The display unit 93 includes a liquid crystal display and the like, and the input unit 95 includes a keyboard, a mouse, a touch panel and the like. Each component of the information processing apparatus 10 is connected to the bus 98. In the information processing apparatus 10, a program stored in the ROM 92 or the HDD 96 (including a process plan display program) or a program read from the portable storage medium 91 by the portable storage medium drive 99 (including the process plan display program). When the CPU 90 executes the above, the functions of the respective parts shown in FIG. 2 are realized. The portable storage medium 91 is, for example, a CD-ROM, a DVD disk, a portable storage medium such as a USB (Universal Serial Bus) memory, a semiconductor memory such as a flash memory, or the like. Further, the functions of each part of FIG. 2 may be realized by, for example, an integrated circuit such as an ASIC (Application Specific Integrated Circuit) or an FPGA (Field Programmable Gate Array).

FIG. 2 shows a functional block diagram of the information processing apparatus 10. As shown in FIG. 2, the information processing apparatus 10 has an input reception unit 20 as a reception unit, a process plan formulation unit 24 as a change unit and a formulation unit, and a display control unit 26 when the CPU 90 executes a program. Function.

The input receiving unit 20 receives information on the work that the process designer inputs via the input unit 95 and needs to be performed on the assembly line, and stores the information in the work DB 50.

Here, in the assembly line of the present embodiment, it is assumed that the work of assembling the product as shown in FIG. 3A is executed. Further, the work DB 50 includes product component configuration data (also referred to as product configuration data) shown in a tree structure in FIG. 3 (b). As shown in FIG. 3 (b), the product of FIG. 3 (a) has units A_assy, B_assy, and G_assy, and each unit A_assy, B_assy, and G_assy is composed of a plurality of parts. Further, the work DB 50 includes a load table (load table before change) before the information processing apparatus 10 formulates a plan as shown in FIG. The load table before the change is, for example, a table summarizing the work allocated to each process and its load (man-hours) when the product designer tentatively allocates the work to each process. When a new process plan is formulated by the process plan formulation unit 24, which will be described later, the load table of the new process plan is stored in the work DB 50 as a “load table before change”. In this embodiment, it is assumed that two workers (# 1, # 2) and a robot system (M1) exist on the assembly line, and FIG. 4 shows the two workers and the robot system. On the other hand, the load table when each work is allocated is shown. In addition to the load table before the change, the work DB 50 contains, for example, operation information when each work is performed by the operator and when the robot system is performed, and data such as work type, required tools, and load. It is included. Further, the work DB 50 also includes data on the priority of each work, data on the order constraint of each work, and the like.

Here, in the present embodiment, as the robot system, a robot system M1 having two arms R1 and R2 as shown in FIG. 5 is used. A tool (tool) supply unit 32 and a component supply unit 34 are provided in the movable area of the arm R1, and a tool supply unit 36 and a component supply unit 38 are provided in the movable area of the arm R2. In the tool supply units 32 and 36, the tools used by the arms R1 and R2 are exchanged (tool change). Further, in the parts supply units 34 and 38, the arms R1 and R2 execute an operation of picking up the parts. Then, in the work area shown in FIG. 5, the arms R1 and R2 each or cooperate with each other to execute the work. In the present embodiment, the arms R1 and R2 may work in cooperation with each other, so that the movable regions of the arms partially overlap. This overlapping region is an "interference region" where the arms R1 and R2 may interfere with each other, and a region other than the interference region in the movable region of each arm is a "non-interference region". In the present embodiment, while one arm performs single arm work (work other than cooperative work) in the interference region, the other arm performs non-interference operation or in the non-interference region in order to avoid collision between the arms. Shall wait.

Returning to FIG. 2, the process plan formulation unit 24 allocates work to humans and robot systems assigned to each process of the assembly line using the data stored in the work DB 50, and formulates a process plan. The process planning unit 24 considers multiple parameters such as parameters related to the workability of humans and robot systems, and performs work on humans and robots assigned to each process by local search methods such as tabu search and simulated annealing. assign. Parameters include, for example, time variation between processes, whether the same tool can be aggregated into a specific process, whether it follows predetermined priorities, and whether each operation violates the order constraint. Contains parameters.

The display control unit 26 creates a display screen based on the process plan formulated by the process plan formulation unit 24, and causes the display unit 93 to display the created display screen. It should be noted that the display screen can accept the correction information of the process plan. In this case, when the process designer modifies the process plan displayed on the display unit 93, the input reception unit 20 accepts the input of the correction information and passes the correction information to the process plan formulation unit 24.

(About processing)
Next, the process at the time of formulating the process plan by the information processing apparatus 10 will be described in detail with reference to other drawings according to the flowchart of FIG. The process of FIG. 6 is a process started when the input receiving unit 20 receives the information necessary for formulating the process plan input by the process designer. It is assumed that the load table shown in FIG. 4 is stored in the work DB 50 as the load table before the change.

(Step S10)
In step S10, the input receiving unit 20 sets the manufacturing requirements. In this case, the input reception unit 20 displays the detailed setting screen as shown in FIG. 7 on the display unit 93, and when the process designer receives the information input on the detailed setting screen, the process plan formulation unit receives the received information. Send to 24. In the detailed setting screen of FIG. 7, "strong" and "weak" can be selected for each of "aggregate for each unit" and "maintain the initial state as much as possible". If the process designer wants to formulate a process plan with an emphasis on the unit aggregation rate, which will be described later, set "Aggregate for each unit" to "Strong", and if it does not emphasize too much, set "Aggregate for each unit". Set to "weak". In addition, the process designer sets "Keep initial state as much as possible" to "Strong" when he / she wants to formulate a process plan with an emphasis on the protection rate described later, and "Set the initial state" when he / she does not place much importance on it. Set "Keep as much as possible" to "Weak". If the unit aggregation rate and protection rate are not emphasized, the process designer shall not select either "strong" or "weak".

The input receiving unit 20 acquires the information selected on the detailed setting screen when the process designer presses the OK button, and transmits it to the process planning unit 24.

(Step S12)
Next, in step S12, the process plan formulation unit 24 formulates the process plan. The process plan formulation unit 24 formulates a process plan by allocating each work to each process using data and the like stored in the work DB 50. FIG. 8 shows an example of the load table (changed load table) of the process plan generated by performing step S12. In the process plan of FIG. 8, the process to which the work c, j, q, and s are assigned is changed from the process plan of FIG.

(Step S14)
Next, in step S14, the display control unit 26 executes a process of displaying the planning result. When displaying the plan result, the display control unit 26 has three maps (a map of FIG. 9 as a third map, a map of FIG. 10 as a first map, and a map of FIG. 12 as a second map). ) Is created and displayed. Hereinafter, each map will be described in detail.

<Map in Fig. 9>
The map of FIG. 9 is a map showing the load amount of each process. In the map of FIG. 9, the horizontal axis (first axis) is the changed work order, and the vertical axis (second axis) is the load amount, and the load amount of each process is shown. The broken line arrow means an order constraint, and indicates that the work at the end point of the broken line arrow should be performed after the work at the start point of the broken line arrow is performed. If the order constraint is violated, the arrow extends from right to left. In this case, the display control unit 26 may display the arrow prominently (easily to see) by displaying the arrow in a mode different from other arrows (for example, red). The lowercase letters (a to s) in the alphabet in FIG. 9 mean the work ID. In addition, the capital letters (R, S) of the alphabet of the worker (# 2) mean reset and set.

Further, in the map of FIG. 9, work r is assigned to the arm R1 of the robot system M1, and work q is assigned to the arm R2. When each work r and q is assigned to an arm, it can be represented as a combination of a plurality of actions (“M”, “pc”, etc. in FIG. 9). In FIG. 9, among the movements of the arm, the movement displayed in white (black-painted display) means the movement in the interference region, and the movement displayed in white means the movement in the non-interference region. .. The time (waiting time) during which one arm waits for the end of the operation of the other arm is represented by a broken line frame and the alphabet "w".

Further, in the map of FIG. 9, a table showing “ΣCT”, “CT”, “number of steps”, “knitting efficiency”, and “leveling rate” is described. Of these, CT is the cycle time, which means the highest load amount among the steps performed by the operator. ΣCT means the total cycle time of the process performed by the worker. The number of steps means the number of steps performed by the worker. The knitting efficiency is a value expressed as a percentage by multiplying the value obtained by dividing the total cycle time (ΣCT) of each process performed by the operator by the product of the cycle time (CT) and the number of processes by 100. The leveling rate is a value expressed as a percentage by multiplying the average of the cycle times of each process carried out by the operator by the cycle time by 100. When the cycle times of the steps performed by the workers (# 1, # 2) are the same as in FIG. 9, the knitting efficiency and the leveling rate are 100%.

<Map in Fig. 10>
The map of FIG. 10 is a map showing the difference between the process plan before the change and the process plan after the change. More specifically, the map of FIG. 10 is a map showing how much the order of performing each work has changed between after and before the change. In the map of FIG. 10, the horizontal axis (first axis) is the post-change work order, and the vertical axis (second axis) is the pre-change work order. Further, in FIG. 10, the amount of change in the work order after the change of each work from the work order before the change is displayed in an easy-to-understand manner by the horizontal length of the black-painted rectangular portion. For example, since the work c has changed from the work order before change = 3 to the work order after change = 10, a black-painted rectangle for 7 works is shown on the left side of the work c. Further, since the work d to i are shifted by one work after the change, a black rectangle for one work is shown on the right side of the work d to i. Further, since the work s has changed from the work order before change = 19 to the work order after change = 9, a black-painted rectangle for 10 works is shown on the right side of the work s. In the vicinity of the vertical axis of the map of FIG. 10, the difference Δsq between the work order after change and the work order before change is shown in association with each plan order before change. Further, in the map of FIG. 10, the total value ΣΔsq of the difference Δsq is shown.

Further, at the right end of the map of FIG. 10, a table showing "number of works" and "protection rate" is described. "Number of works" means the number of all works (as). The “protection rate” is an index value indicating a larger value as ΣΔsq this time is smaller than ΣΔsq in the case where ΣΔsq is the largest (worst case). A large protection rate value means that there is little change from the pre-change work order (the pre-change work order is protected). For process designers who place importance on the protection rate, the larger the protection rate value, the less the change in the work layout and the change in the order of parts arrangement, which is convenient.

Here, a method of calculating the protection rate will be described with reference to FIGS. 11 (a) and 11 (b).

FIG. 11A shows a map of the worst case (the case where ΣΔsq is the largest) when the process plan including six operations is changed as an example. As shown in FIG. 11A, in the worst case, the total value of Δsq (referred to as ΣΔsq') is 18. The worst case ΣΔsq'can be obtained by the following equation (1) using the number of operations.
ΣΔsq'= (number of works x number of works) / 2 ... (1)

In this case, it is assumed that the process plan has been changed as shown in FIG. 11 (b). The total value (ΣΔsq) of Δsq in the case of FIG. 11B is 6. In this case, the protection rate can be obtained by the following equation (2).
Protection rate = {1- (ΣΔsq / ΣΔsq')} × 100… (2)

Therefore, in the case of FIG. 11B, the protection rate is {1- (6/18)} × 100 ≈ 66.7%.

Also in this embodiment, the protection rate can be obtained by using the above equations (1) and (2). In the example of this embodiment (FIG. 10), the above equations (1) and (2) are used.
Protection rate = {1- (32 / ⁽ 192/2))} × 100 ≈ 82.3%.

It can be said that the protection rate is the first index value related to the degree of change in the process plan obtained from the difference in the execution order of each work before and after the change.

In the map of FIG. 10, as in the map of FIG. 9, the order constraint of each work is indicated by the broken line arrow.

<Map in Fig. 12>
The map of FIG. 12 is a map showing the difference in the order based on the configuration (also called the configuration order information) between the work in the context in the changed process plan, and shows whether the work for the unit is aggregated. It is a map. In the map of FIG. 12, as in the maps of FIGS. 9 and 10, the order constraint of each work is indicated by the broken line arrow.

Hereinafter, the procedure for creating the map of FIG. 12 will be described in detail.

First, the display control unit 26 creates a product configuration work table as shown in FIG. This product configuration work table shows the work (ID and work content) of assembling each part to each part included in the part composition data of the product, which is shown in the tree structure (tree structure) in FIG. 3 (b). Based on the association and component configuration data, a number indicating the order (order based on the configuration) is assigned to each work content. The closer the work in order based on the configuration is, the shorter the moving distance between the works (distance of the manual line), which means that the work should be carried out collectively.

Next, the display control unit 26 plots each work with the horizontal axis (first axis) as the changed work order and the vertical axis (second axis) as the order based on the configuration. Further, the display control unit 26 displays the difference between the order based on the configuration of each work and the order based on the configuration of the work to be performed before the work in an easy-to-see manner by the length of the black rectangular portion in the vertical direction. .. For example, since the order (= 18) based on the configuration of the work b has a difference of 17 from the order (= 1) based on the configuration of the work a performed before that, in FIG. 12, the order of the work b is shown in FIG. Below are 17 black-painted rectangles. Further, since the order (= 17) based on the configuration of the work d has a difference of 1 from the order (= 18) based on the configuration of the work b performed before that, in FIG. 12, the order of the work d is shown in FIG. One black-painted rectangle is shown above. Further, for example, the order (= 2) based on the configuration of the work j has a difference of 17 from the order (= 19) based on the configuration of the work c performed before that, so that the work is shown in FIG. 17 black rectangles are shown above j.

Further, as shown in the vicinity of the vertical axis of FIG. 12, the display control unit 26 displays the difference sq between the order based on the configuration of each work and the order based on the configuration of the work to be performed before that, and the total value of sq. (Σsq) is calculated and displayed.

Further, the display control unit 26 calculates the unit aggregation rate using the calculated Σsq, and displays a table showing the “number of works” and the “unit aggregation rate” at the right end of the map of FIG.

The "number of works" means the number of all works (as). The "unit aggregation rate" is an index value indicating a larger value as the current sq is smaller than the sq in the case where the sq is the largest (worst case). A large unit aggregation rate value means that the worker's hand movement between tasks is small. For process designers who place importance on the unit aggregation rate, the larger the value of the unit aggregation rate, the more efficient the product placement area is, and the less the operator's hand is moved (the more efficient the manual line is. ) Therefore, it is convenient.

Here, a method of calculating the unit aggregation rate will be described with reference to FIGS. 14 (a) and 14 (b).

FIG. 14A shows a map of the worst case (the case where Σsq is the largest) when the process plan including six operations is changed as an example. As shown in FIG. 14A, in the worst case, the total value of sq (referred to as Σsq') is 15. The worst case Σsq'can be expressed by the following equation (3) using the number of operations.
Σsq'= (number of works x (number of works-1)) / 2 ... (3)

In this case, it is assumed that the process plan has been changed as shown in FIG. 14 (b). The total value (Σsq) of sq in the case of FIG. 14B is 9. In this case, the unit aggregation rate can be obtained by the following equation (4).
Unit aggregation rate = {1- (Σsq / Σsq')} × 100… (4)

Therefore, in the case of FIG. 14B, the unit aggregation rate is {1- (9/15)} × 100≈40%.

Also in this embodiment, the unit aggregation rate can be obtained by using the above equations (3) and (4). In the example of this embodiment (FIG. 12), the above equations (3) and (4) are used.
Unit aggregation rate = {1- (81 / (19 × 18/2))} × 100 ≈ 52.6%.

It can be said that the unit aggregation rate is a second index value related to the moving distance of the worker's hand between the works, which is obtained from the difference in the order based on the configuration of each work performed before and after.

In step S14 of FIG. 6, the display control unit 26 displays three maps as shown in FIGS. 15A to 15C side by side on the display unit 93.

In this case, the display control unit 26 calculates a comprehensive index using each index value and displays it on the display unit 93. In FIGS. 15 (a) to 15 (c), as an example, a comprehensive index is displayed on a part of the map of FIG. 15 (c).

Here, the comprehensive index can be obtained from, for example, the following equation (5).
Comprehensive index = α x organization efficiency + β x leveling rate + γ x protection rate + δ x unit aggregation rate
… (5)

The values of the weighting coefficients α, β, γ, and δ in the above equation (5) can reflect the preference of the process designer. For example, the weighting coefficients γ and δ can be determined based on the information selected by the process designer on the detailed setting screen (FIG. 7) in step S10. For example, when "strong" is selected in "keep initial state as much as possible" on the detailed setting screen, γ = 2 is set, and when "weak" is selected, γ = 1.5, both of which are set. If it is not selected, γ = 1 can be set. Similarly, when "strong" is selected in "aggregate by unit", δ = 2, and when "weak" is selected, δ = 1.5, neither of which is selected. In some cases, δ = 1 and so on. Similarly, the weighting coefficients α and β can reflect the preference of the process designer. However, the present invention is not limited to this, and at least one of the weighting coefficients α, β, γ, and δ may be set as a fixed value. The comprehensive index may be obtained according to an equation other than the above equation (5).

(Step S16)
Next, in step S16 of FIG. 6, the input reception unit 20 executes the correction reception process. In this case, when the process designer corrects the work order in the three maps displayed on the display unit 93, the input reception unit 20 acquires the correction information and hands it over to the process plan formulation unit 24.

For example, the process designer who saw the three maps of FIGS. 15 (a) to 15 (c) pays attention to the “protection rate” of FIG. 15 (b) and before and after the change so that the protection rate is improved. It is assumed that the work s having a large order deviation is moved to the back of the work p and an input is made to allocate it to the worker # 2 (drag to the right side of the work s). In this case, the input receiving unit 20 acquires the correction information for correcting the work order of the work s and hands it over to the process planning unit 24.

(Step S18)
Next, in step S18, the process plan formulation unit 24 re-formulates the process plan to reflect the revision. Then, the display control unit 26 causes the display unit 93 to display the information of the modified process plan. In this case, the display control unit 26 creates a map in which the work s is moved to the back (right side) of the work p, as shown by a thick frame in FIG. 16 (b). Further, the display control unit 26 creates a map in which the load amount of the work s is moved to the right side of the work p, as shown by a thick frame in FIG. 16A. Further, the display control unit 26 creates a map in which the work s is moved to the right of the work p, as shown by the thick line frame in FIG. 16 (c). Then, the display control unit 26 causes the display unit 93 to display the three types of maps shown in FIGS. 16A to 16C.

(Step S20)
Next, in step S20, the input receiving unit 20 determines whether or not the correction is completed, that is, whether or not the process designer has input to the effect that the correction is completed. The process designer can determine whether or not to end the correction by referring to, for example, the value of the comprehensive index. If the determination in step S20 is denied, the process returns to step S16. Then, steps S16 and S18 are executed again. For example, the process designer looking at the maps of FIGS. 16 (a) to 16 (c) pays particular attention to the “unit aggregation rate” of FIG. 16 (c) so that the unit aggregation rate is improved. It is assumed that the work c, which has a large difference in order based on the configuration with the work, is moved immediately after the work b, and an input (drag to the left side of the work c) is performed to allocate it to the worker # 1. In this case, in step S18, the display control unit 26 recreates the three types of maps (see FIGS. 17A to 17C) and causes the display unit 93 to display the maps. After that, the processes of steps S16 and S18 are repeated until the determination of step S20 is affirmed, and when the determination of step S20 is affirmed, all the processes of FIG. 6 are completed.

As described above, in the present embodiment, the process designer can appropriately modify the work order based on a plurality of index values such as the protection rate and the unit aggregation rate, and the comprehensive index. In addition, when the modification of the work order by the process designer violates the order constraint, the display mode of the arrow is changed to display it in an easy-to-understand manner. Therefore, the process designer violates the order constraint. It is possible to easily recognize whether or not it is.

As can be seen from the above description, in the present embodiment, the display control unit 26 uses the display control unit 26 to display the map of FIG. 10, the first display unit, the second display unit (or the display unit) to display the map of FIG. 12, and the display unit. The function as a third display unit for displaying the map of FIG. 9 is realized.

As described in detail above, according to the present embodiment, the process plan formulation unit 24 changes the process plan related to product assembly, and the display control unit 26 changes the work order after the change to the first axis (horizontal axis). ), A map (Fig. 10) plotting each work is displayed on the coordinate system with the work order before change as the second axis (vertical axis), and the work order after change is set as the first axis (horizontal axis). A map (FIG. 12) in which each work is plotted is displayed side by side on a coordinate system in which the order based on the configuration of the product configuration work table (FIG. 13) is set as the second axis (vertical axis). As a result, the process designer can easily confirm the quality of the process plan by looking at a plurality of maps having a common horizontal axis. In addition, by modifying the process plan while looking at a plurality of maps, it is possible to appropriately modify the process plan while considering a plurality of indicators (protection rate and unit aggregation rate). For example, even if the process plan is modified so that the load balance is improved based only on the load table, it may be difficult to modify because other indicators may deteriorate. However, in this embodiment, each map is confirmed. By doing so, it is possible to make corrections so that multiple indicators are appropriate.

Further, according to the present embodiment, when the input receiving unit 20 receives the correction of the work execution order by the process designer, the display control unit 26 corrects each map based on the corrected work execution order. To display. This allows the process designer to confirm whether the revision of the process plan is appropriate.

Further, according to the present embodiment, the display control unit 26 displays the protection rate on the map of FIG. 10, so that the process designer corrects the execution order of which work in consideration of the magnitude of the protection rate. Can be considered. Further, according to the present embodiment, the display control unit 26 displays the unit aggregation rate in the map of FIG. 12, so that the process designer corrects the execution order of which work in consideration of the magnitude of the unit aggregation rate. You can consider whether to do it.

Further, according to the present embodiment, in the map of FIG. 10, the difference in the execution order of each work before and after the change is displayed in an easy-to-see manner by the length of the black-painted rectangle, so that the process designer can protect it. From the viewpoint of increasing the rate, it is possible to appropriately determine which work order should be changed. Further, according to the present embodiment, in the map of FIG. 12, the difference in the order based on the configuration of the work before and after is displayed in an easy-to-see manner by the length of the black rectangle, so that the process designer can determine the unit aggregation rate. From the viewpoint of enhancing, it is possible to appropriately determine which work order should be changed.

Further, according to the present embodiment, the display control unit 26 plots each work on a coordinate system in which the changed work order is the first axis (horizontal axis) and the load amount is the second axis (vertical axis). The map (FIG. 9) is displayed side by side with the maps of FIGS. 10 and 12. Thereby, the process designer can modify the execution order of each work in consideration of the load amount of each process. Further, in the map of FIG. 9, since a table showing the knitting efficiency and the leveling rate is displayed, the process designer can appropriately revise the process plan based on the knitting efficiency and the leveling rate. ..

Further, according to the present embodiment, the display control unit 26 displays a comprehensive index including the knitting efficiency, the leveling rate, the protection rate, and the unit aggregation rate together with each map, so that the process designer can use the value of the comprehensive index. The process plan can be appropriately modified based on the above.

In the above embodiment, in the maps of FIGS. 9, 10 and 12, the case where the first axis is the horizontal axis and the second axis is the vertical axis has been described, but the present invention is not limited to this, and the first axis is vertical. The axis and the second axis may be the horizontal axis.

In the above embodiment, when the order based on the configuration shown in FIG. 13 is given to each work, a predetermined difference may be provided between the units. For example, the difference between the maximum value of the order based on the structure of the work related to G_assy and the minimum value of the order based on the structure of the work related to B_assy may be set to a value larger than 1. Further, the difference between the maximum value of the order based on the structure of the work related to B_assy and the minimum value of the order based on the structure of the work related to A_assy may be set to a value larger than 1.

In the above embodiment, the case where the maps of FIGS. 9, 10 and 12 are displayed side by side has been described, but the present invention is not limited to this, and the map selected from the maps of FIGS. 9, 10 and 12 is displayed. It may be that. Further, maps other than the maps of FIGS. 9, 10 and 12 may be displayed together.

The above processing function can be realized by a computer. In that case, a program that describes the processing content of the function that the processing device should have is provided. By executing the program on a computer, the above processing function is realized on the computer. The program describing the processing content can be recorded on a computer-readable storage medium (however, the carrier wave is excluded).

When a program is distributed, it is sold in the form of a portable storage medium such as a DVD (Digital Versatile Disc) or a CD-ROM (Compact Disc Read Only Memory) on which the program is recorded. It is also possible to store the program in the storage device of the server computer and transfer the program from the server computer to another computer via the network.

The computer that executes the program stores, for example, the program recorded on the portable storage medium or the program transferred from the server computer in its own storage device. Then, the computer reads the program from its own storage device and executes the processing according to the program. The computer can also read the program directly from the portable storage medium and execute the processing according to the program. Further, the computer can also sequentially execute the processing according to the received program each time the program is transferred from the server computer.

The embodiments described above are examples of preferred embodiments of the present invention. However, the present invention is not limited to this, and various modifications can be made without departing from the gist of the present invention.

The following additional notes will be further disclosed with respect to the description of the above embodiments.
(Appendix 1) A change part that changes the process plan in which multiple operations related to product assembly are allocated to multiple processes, and
The first map plotting each work on the first coordinate system with the execution order of each work in the process plan after the change as the first axis and the execution order of each work in the process plan before the change as the second axis. The first display unit to be displayed and
Based on the product configuration data showing the configuration of the parts included in the product in a tree structure, the configuration order information whose values are closer to the work to be performed collectively is assigned to the above-mentioned multiple tasks, and each task in the changed process plan. A second display unit that displays a second map in which each work is plotted side by side with the first map on a second coordinate system with the execution order of the above as the first axis and the configuration order information as the second axis.
Information processing device equipped with.
(Appendix 2) Further equipped with a reception unit that accepts revisions to the work implementation order in the modified process plan.
When the reception unit receives the modification of the execution order, the first display unit and the second display unit modify the first map and the second map based on the implementation order of each of the modified operations. The information processing apparatus according to Appendix 1, wherein the information processing apparatus is to be displayed.
(Appendix 3) The first display unit displays the first index value related to the degree of change of the process plan, which is obtained from the difference in the execution order of each work before and after the change, together with the first map. The information processing apparatus according to Appendix 1 or 2, which is a feature.
(Appendix 4) The second display unit displays a second index value related to a moving distance during work, which is obtained from the difference in the configuration order information of each work performed before and after, together with the second map. , The information processing apparatus according to any one of Supplementary Provisions 1 to 3, characterized in that.
(Appendix 5) The information processing according to any one of the appendices 1 to 4, wherein the first display unit displays the difference in the execution order of each work before and after the change in an easy-to-see manner on the first map. Device.
(Supplementary Note 6) The information processing apparatus according to any one of Supplementary note 1 to 5, wherein the second display unit displays the difference in the configuration order information of the previous and next work in an easy-to-see manner on the second map. ..
(Appendix 7) A third map in which each work is plotted on a third coordinate system with the execution order of each work in the modified process plan as the first axis and the load amount of each work as the second axis is displayed. The information processing apparatus according to any one of Supplementary note 1 to 6, further comprising a third display unit for displaying the first map and the second map side by side.
(Appendix 8) The formulation department that formulates a process plan by allocating multiple tasks related to product assembly to multiple processes.
Based on the product configuration data showing the configuration of the parts included in the product in a tree structure, the configuration order information whose values are closer to the work to be performed collectively is assigned to the plurality of work, and each work in the process plan is executed. A display unit that displays a map plotting each work on a coordinate system with the order as the first axis and the configuration order information as the second axis.
Information processing device equipped with.
(Appendix 9) Change the process plan in which multiple tasks related to product assembly are assigned to multiple processes.
The first map plotting each work on the first coordinate system with the execution order of each work in the process plan after the change as the first axis and the execution order of each work in the process plan before the change as the second axis. Display and
Based on the product configuration data showing the configuration of the parts included in the product in a tree structure, the configuration order information whose values are closer to the work to be performed collectively is assigned to the above-mentioned multiple tasks, and each task in the changed process plan. The second map in which each work is plotted on the second coordinate system with the execution order of the above as the first axis and the configuration order information as the second axis is displayed side by side with the first map.
A process plan display method characterized in that a computer executes a process.
(Appendix 10) Accepting revisions to the work implementation order in the modified process plan,
When the modification of the execution order is accepted in the acceptance process, the first map and the second map are modified and displayed based on the implementation order of each modified work.
The process plan display method according to Appendix 9, wherein the computer further executes the process.
(Appendix 11) In the process of displaying the first map, the first index value related to the degree of change of the process plan, which is obtained from the difference in the execution order of each work before and after the change, is displayed together with the first map. The process plan display method according to Appendix 9 or 10, wherein the process plan is displayed.
(Appendix 12) In the process of displaying the second map, the second index value related to the moving distance during the work, which is obtained from the difference in the configuration order information of each of the works performed before and after, is the second index value. The process plan display method according to any one of Supplementary note 9 to 11, which is displayed together with a map.
(Appendix 13) In the process of displaying the first map, any one of the appendices 9 to 12 is characterized in that the difference in the execution order of each work before and after the change is displayed in an easy-to-understand manner in the first map. The described process plan display method.
(Appendix 14) The process for displaying the second map is described in any one of the appendices 9 to 13, characterized in that, in the second map, the difference in the configuration order information of the previous and next work is displayed in an easy-to-see manner. Process plan display method.
(Appendix 15) A third map in which each work is plotted on a third coordinate system with the execution order of each work in the modified process plan as the first axis and the load amount of each work as the second axis is displayed. The process plan display method according to any one of Supplementary note 9 to 14, wherein the process is further executed by the computer, which is displayed side by side with the first map and the second map.
(Appendix 16) By allocating multiple tasks related to product assembly to multiple processes, a process plan is formulated.
Based on the product configuration data showing the configuration of the parts included in the product in a tree structure, the configuration order information whose values are closer to the work to be performed collectively is assigned to the plurality of work, and each work in the process plan is executed. A map in which each work is plotted is displayed on a coordinate system in which the order is the first axis and the configuration order information is the second axis.
A process plan display method characterized in that a computer executes a process.
(Appendix 17) Change the process plan in which multiple tasks related to product assembly are assigned to multiple processes.
The first map plotting each work on the first coordinate system with the execution order of each work in the process plan after the change as the first axis and the execution order of each work in the process plan before the change as the second axis. Display and
Based on the product configuration data showing the configuration of the parts included in the product in a tree structure, the configuration order information whose values are closer to the work to be performed collectively is assigned to the above-mentioned multiple tasks, and each task in the changed process plan. The second map in which each work is plotted on the second coordinate system with the execution order of the above as the first axis and the configuration order information as the second axis is displayed side by side with the first map.
A process plan display program for letting a computer execute a process.
(Appendix 18) By allocating multiple tasks related to product assembly to multiple processes, a process plan is formulated.
Based on the product configuration data showing the configuration of the parts included in the product in a tree structure, the configuration order information whose values are closer to the work to be performed collectively is assigned to the plurality of work, and each work in the process plan is executed. A map in which each work is plotted is displayed on a coordinate system in which the order is the first axis and the configuration order information is the second axis.
A process plan display program for letting a computer execute a process.

10 Information processing device 20 Input reception section (reception section)
24 Process plan formulation department (change department, formulation department)
26 Display control unit (first display unit, second display unit, display unit)

Claims (9)

A change part that changes the process plan in which multiple tasks related to product assembly are allocated to multiple processes,
The first map plotting each work on the first coordinate system with the execution order of each work in the process plan after the change as the first axis and the execution order of each work in the process plan before the change as the second axis. The first display unit to be displayed and
Based on the product configuration data showing the configuration of the parts included in the product in a tree structure, the configuration order information whose values are closer to the work to be performed collectively is assigned to the above-mentioned multiple tasks, and each task in the changed process plan. A second display unit that displays a second map in which each work is plotted side by side with the first map on a second coordinate system with the execution order of the above as the first axis and the configuration order information as the second axis.
Information processing device equipped with. Further equipped with a reception unit that accepts revisions to the work implementation order in the modified process plan.
When the reception unit receives the modification of the execution order, the first display unit and the second display unit modify the first map and the second map based on the implementation order of the modified work. The information processing apparatus according to claim 1, wherein the information processing apparatus is to be displayed. The first display unit is characterized in that a first index value related to a degree of change in the process plan, which is obtained from a difference in the execution order of each work before and after the change, is displayed together with the first map. Item 2. The information processing apparatus according to Item 1 or 2. The second display unit is characterized in that a second index value related to a moving distance during work, which is obtained from a difference in the configuration order information of each work performed before and after, is displayed together with the second map. The information processing apparatus according to any one of claims 1 to 3. The first display unit is characterized in that, in the first map, a figure representing the difference between the execution order before the change and the execution order after the change of each work is displayed by a length . The information processing apparatus according to any one of 4. The second display unit is described in any one of claims 1 to 5, wherein the second display unit displays a figure representing the difference in the configuration order information of the previous and next operations by length in the second map. Information processing equipment. The third map in which each work is plotted on the third coordinate system with the execution order of each work in the changed process plan as the first axis and the load amount of each work as the second axis is shown in the first map. The information processing apparatus according to any one of claims 1 to 6, further comprising a map and a third display unit that displays the map side by side with the second map. Change the process plan where multiple tasks related to product assembly are assigned to multiple processes,
The first map plotting each work on the first coordinate system with the execution order of each work in the process plan after the change as the first axis and the execution order of each work in the process plan before the change as the second axis. Display and
Based on the product configuration data showing the configuration of the parts included in the product in a tree structure, the configuration order information whose values are closer to the work to be performed collectively is assigned to the above-mentioned multiple tasks, and each task in the changed process plan. The second map in which each work is plotted on the second coordinate system with the execution order of the above as the first axis and the configuration order information as the second axis is displayed side by side with the first map.
A process plan display method characterized in that a computer executes a process. Change the process plan where multiple tasks related to product assembly are assigned to multiple processes,
The first map plotting each work on the first coordinate system with the execution order of each work in the process plan after the change as the first axis and the execution order of each work in the process plan before the change as the second axis. Display and
Based on the product configuration data showing the configuration of the parts included in the product in a tree structure, the configuration order information whose values are closer to the work to be performed collectively is assigned to the above-mentioned multiple tasks, and each task in the changed process plan. The second map in which each work is plotted on the second coordinate system with the execution order of the above as the first axis and the configuration order information as the second axis is displayed side by side with the first map.
A process plan display program for letting a computer execute a process.

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