Abstract: A process analysis device includes: a normal data acquisition unit acquiring multiple first state data relating to normal state of mechanisms; an abnormal data acquisition unit acquiring multiple second state data relating to abnormal state of mechanisms; a normal period analysis unit identifying connection state between mechanisms as a first connection state by analyzing acquired first state data; an abnormal period analysis unit identifying connection state between mechanisms as a second connection state by analyzing acquired second state data; a normal period relationship identification unit identifying causal relationship between mechanisms as a normal period causal relationship based on connection state; an abnormal period relationship identification unit identifying causal relationship between mechanisms as an abnormal period causal relationship based on second connection state; and a special causal relationship identification unit comparing normal and abnormal period causal relationships and identifyin

Abstract: A display system according to one or more embodiments may include: a control unit; a display unit; and a storage unit. The storage unit is configured to store a relationship between two or more components of the plurality of components as a causal relationship model regarding an abnormality that may occur in the production facility, and the control unit is configured to: display, on the display unit, a model diagram that has nodes corresponding to the components and one or more edges connecting the nodes to each other, based on the causal relationship model; and when an abnormality occurs in the production facility, change a display mode of at least either a node corresponding to the component related to the abnormality or an edge connected to the node.

Abstract: A display system according to one or more embodiments includes: a control unit; a display unit; and a storage unit. The storage unit is configured to store a causal relationship model representing a relationship between two or more components of the plurality of components and an abnormality that may occur in the production facility, and the control unit is configured to: display, on the display unit, a model diagram that has nodes and one or more edges connecting the nodes to each other, based on the causal relationship model; and in response to a mode selection, such as a request from a user, display the model diagram in either a first mode in which all the nodes are displayed, or a second mode in which the nodes are allocated among a predetermined number of groups based on a predetermined criterion and the groups are displayed as nodes.

Abstract: A display system is provided in production equipment that has driving means and monitoring means, having controllable features. The display system includes a control unit, a display unit, a storage unit, and an input unit. The storage unit stores: the features output over time from one or more of the driving means and the monitoring means; and causal relationship model data in which one or more causal factors of one or more abnormalities that can occur in the production equipment are selected from among the driving means and the monitoring means and expressed as a causal relationship model in association with a relationship between the causal factors. The control unit displays, on the display unit, the causal factors of the individual abnormalities, the one or more features corresponding to the causal factors, and changes over time in the features.

Abstract: A display system provided in production equipment having driving means and monitoring means with controllable features includes a control unit, a display unit, and a storage unit. The control unit obtains a feature output over time from at least one among the driving means and the monitoring means, and causes the storage unit to store the feature; constructs, in each prescribed time, a causal relationship model that indicates a causal factor selected from among the driving means and the monitoring means for at least one abnormality that can occur in the production equipment and that also indicates the relationship between causal factors on the basis of the obtained feature; and displays, on the display unit, a plurality of causal relationship models constructed in a plurality of times.

Abstract: A display system is provided in production equipment that has driving means and monitoring means, having controllable features. The display system includes a control unit, a display unit, a storage unit, and an input unit. The storage unit stores: the features output over time from one or more of the driving means and the monitoring means; and causal relationship model data in which one or more causal factors of one or more abnormalities that can occur in the production equipment are selected from among the driving means and the monitoring means and expressed as a causal relationship model in association with a relationship between the causal factors. The control unit displays, on the display unit, the causal factors of the individual abnormalities, the one or more features corresponding to the causal factors, and changes over time in the features.

Abstract: A display system includes a display device in production equipment. The display device includes a control unit, a display unit, a storage unit, and an input unit. The storage unit stores: schematic illustration data that represent a schematic illustration of the production equipment; and causal relationship model data in which one or more cause elements of one or more abnormalities that can occur in the production equipment are selected from driving means for driving the production equipment and monitoring means for monitoring the production, and the cause elements and the relationships between the cause elements are represented as a causal relationship model. The control unit displays the schematic illustration and the causal relationship model on the display unit such that the causal relationship model is superimposed on the schematic illustration so as to correspond to the schematic illustration.

Abstract: A process analysis apparatus according to an aspect may include a first acquisition unit that acquires a plurality of pieces of state data related to states of a plurality of mechanisms that constitute a manufacturing line, a second acquisition unit that acquires a control program for controlling an operation of the manufacturing line, a first analyzer that analyzes the acquired plurality of pieces of state data so as to identify a connection state between the plurality of mechanisms, a second analyzer that analyzes the acquired control program so as to identify an order relationship between the plurality of mechanisms, and a relationship identifying unit that identifies a causal relationship between the plurality of mechanisms in a process that is carried out on the manufacturing line, based on the identified connection state and order relationship.