System and method for supporting production management

A production management supporting system, comprising:

• an interface including one or more interfaces and coupled to a display device;
• a storage including one or more memories, the storage storing order of step information showing a sequential order of steps for each model and past record information that includes information of a past record which shows a completion time for each product loaded in a production system in which a plurality of different models of products are loaded and a sequential order of two or more of a plurality of steps is different depending on the model of each of the steps;
• and
• a processor coupled to the interface and to the storage, wherein
• the production management chart has a first axis and a second axis perpendicular to the first axis,
• the first axis corresponds to time,
• the second axis corresponds to the steps,
• the processor:
• displays a production management chart on the display device referring to the past record information, wherein the production management chart shows a production situation and includes display objects,
• receives a selection of at least one of the plurality of models as an at least one selected model,
• specifies the sequential order of the steps of the at least one selected model, referring to the order of step information, and
• rearranges an arrangement order of the steps along a step axis to the sequential order of the steps corresponding to the at least one selected model,
• wherein the processor controls production of each product produced in the production system based on the at least one selected model;
• wherein the production management chart is for at least one of the plurality of models, for each product unit in which the execution time of at least one of the plurality of steps belongs to a display target period,
• each product unit is a product or a lot,
• a point on each polygonal line corresponds to the step and the execution time of the step,
• the execution time of each of the steps in the past record information is at least one of a starting time and an ending time of the step, and
• the display object that satisfies one or more requirements associated with the one or more attentional perspectives is a polygonal line or a line segment that corresponds to the product unit for which a deviation between a standard lead time for the corresponding model and an actual lead time obtained from the past record information satisfies any of one or more deviation requirements;
• wherein the one or more deviation requirements are a plurality of deviation ranges,
• the accentuation level of the polygonal line or the line segment that satisfies the one or more requirements differs depending on which of the plurality of deviation ranges the deviation belongs to;
• wherein the processor:
• specifies, for each of one or more times during the display target period and on a per step basis, a retention number corresponding to any of numbers shown below on the basis of the past record information:
• the number of products for which the previous step has been completed before the time but the step has not been started at the time;
• and
• the number of products for which the step has been started before the time but the step has not been completed at the time, and
• determines whether or not one or more retention situations in accordance with the retention number specified for each of the one or more times on a per step basis include a retention situation satisfying a predetermined requirement, and
• the display object that satisfies the one or more requirements associated with the one or more attentional perspectives is a target portion that is a portion which corresponds to an inter-step range and/or an intra-step range to which a step in which the retention situation satisfying the predetermined requirement has occurred belongs and to a period having the satisfying retention situation, in the production management chart.

A production management supporting method, comprising the steps of:

• analyzing, by a processor, on the basis of one or more attentional perspectives on a plurality of different models of products, order of step information showing a sequential order of steps for each model and past record information that includes information as a past record which shows a completion time for each product loaded in a production system in which the plurality of different models of products are loaded and a sequential order of two or more of a plurality of steps is different depending on the model, of each of the steps, to detect, among display objects displayed in the production management chart, a display object satisfying one or more requirements associated with the one or more attentional perspectives,
• wherein the production management chart has a first axis and a second axis perpendicular to the first axis,
• wherein the first axis corresponds to time, and
• wherein the second axis corresponds to the steps;
• and
• displaying a production management chart on a display device referring to the past record information, the production management chart showing a production situation and the display objects;
• receiving a selection of at least one of the plurality of models as an at least one selected model;
• specifying the sequential order of the steps of the at least one selected model, referring to the order of step information;
• and
• rearranging an arrangement order of the steps along a step axis to the sequential order of the steps corresponding to the at least one selected model,
• wherein the processor controls production of each product produced in the production system based on the at least one selected model;
• wherein the production management chart is for at least one of the plurality of models, for each product unit in which the execution time of at least one of the plurality of steps belongs to a display target period,
• each product unit is a product or a lot,
• a point on each polygonal line corresponds to the step and the execution time of the step,
• the execution time of each of the steps in the past record information is at least one of a starting time and an ending time of the step, and
• the display object that satisfies one or more requirements associated with the one or more attentional perspectives is a polygonal line or a line segment that corresponds to the product unit for which a deviation between a standard lead time for the corresponding model and an actual lead time obtained from the past record information satisfies any of one or more deviation requirements;
• wherein the one or more deviation requirements are a plurality of deviation ranges, and
• wherein the accentuation level of the polygonal line or the line segment that satisfies the one or more requirements differs depending on which of the plurality of deviation ranges the deviation belongs to;
• specifying, for each of one or more times during the display target period and on a per step basis, a retention number corresponding to any of numbers shown below on the basis of the past record information:
• the number of products for which the previous step has been completed before the time but the step has not been started at the time, and
• the number of products for which the step has been started before the time but the step has not been completed at the time;
• and
• determining whether or not one or more retention situations in accordance with the retention number specified for each of the one or more times on a per step basis include a retention situation satisfying a predetermined requirement;
• wherein the display object that satisfies the one or more requirements associated with the one or more attentional perspectives is a target portion that is a portion which corresponds to an inter-step range and/or an intra-step range to which a step in which the retention situation satisfying the predetermined requirement has occurred belongs and to a period having the satisfying retention situation, in the production management chart.

A computer program for causing a computer to perform the steps of:

• analyzing, by a processor, on the basis of one or more attentional perspectives on a plurality of different models of products, order of step information showing a sequential order of steps for each model and past record information that includes information as a past record which shows a completion time for each product loaded in a production system in which the plurality of different models of products are loaded and a sequential order of two or more of a plurality of steps is different depending on the model, of each of the steps, to detect, among display objects displayed in the production management chart, a display object satisfying one or more requirements associated with the one or more attentional perspectives,
• wherein the production management chart has a first axis and a second axis perpendicular to the first axis,
• wherein the first axis corresponds to time, and
• wherein the second axis corresponds to the steps;
• and
• displaying a production management chart on a display device referring to the past record information, the production management chart showing a production situation and the display objects;
• receiving a selection of at least one of the plurality of models as an at least one selected model;
• specifying the sequential order of the steps of the at least one selected model, referring to the order of step information;
• and
• rearranging an arrangement order of the steps along a step axis to the sequential order of the steps corresponding to the at least one selected model,
• wherein the processor controls production of each product produced in the production system based on the at least one selected model;
• wherein the production management chart is for at least one of the plurality of models, for each product unit in which the execution time of at least one of the plurality of steps belongs to a display target period,
• each product unit is a product or a lot,
• a point on each polygonal line corresponds to the step and the execution time of the step,
• the execution time of each of the steps in the past record information is at least one of a starting time and an ending time of the step, and
• the display object that satisfies one or more requirements associated with the one or more attentional perspectives is a polygonal line or a line segment that corresponds to the product unit for which a deviation between a standard lead time for the corresponding model and an actual lead time obtained from the past record information satisfies any of one or more deviation requirements;
• wherein the one or more deviation requirements are a plurality of deviation ranges, and
• wherein the accentuation level of the polygonal line or the line segment that satisfies the one or more requirements differs depending on which of the plurality of deviation ranges the deviation belongs to;
• specifying, for each of one or more times during the display target period and on a per step basis, a retention number corresponding to any of numbers shown below on the basis of the past record information:
• the number of products for which the previous step has been completed before the time but the step has not been started at the time, and
• the number of products for which the step has been started before the time but the step has not been completed at the time;
• and
• determining whether or not one or more retention situations in accordance with the retention number specified for each of the one or more times on a per step basis include a retention situation satisfying a predetermined requirement;
• wherein the display object that satisfies the one or more requirements associated with the one or more attentional perspectives is a target portion that is a portion which corresponds to an inter-step range and/or an intra-step range to which a step in which the retention situation satisfying the predetermined requirement has occurred belongs and to a period having the satisfying retention situation, in the production management chart.