Abstract: An operation status reproducing device includes an onboard information obtaining unit that obtains onboard information corresponding to date and time from an onboard device mounted on a designated train being a train specified by a train number and the date and time externally designated, a specific event detecting unit that specifies time at which a specific event occurs by analyzing the onboard information, a ground information obtaining unit that obtains ground information in a certain period including the time at which the specific event occurs from a ground device, an external information obtaining unit that obtains external information including weather information in a certain period including the time at which the specific event occurs, and a reproduction image generating unit that generates a reproduction image illustrating a past operation status of the designated train based on the onboard information, the ground information, and the external information.

Abstract: An operation status reproducing device includes an onboard information obtaining unit that obtains onboard information corresponding to date and time from an onboard device mounted on a designated train being a train specified by a train number and the date and time externally designated, a specific event detecting unit that specifies time at which a specific event occurs by analyzing the onboard information, a ground information obtaining unit that obtains ground information in a certain period including the time at which the specific event occurs from a ground device, an external information obtaining unit that obtains external information including weather information in a certain period including the time at which the specific event occurs, and a reproduction image generating unit that generates a reproduction image illustrating a past operation status of the designated train based on the onboard information, the ground information, and the external information.

Abstract: A workload information management device includes a per-scene load calculation unit calculating the workload value that is an estimate of a workload on a worker in action scenes based on time-series vital sign information from start time to end time of an action of the worker in extracted action scenes. The workload information management device further includes a per-scene load accumulation unit accumulating worker information, scene information for identifying action scenes, and a workload value for the action scenes, which are associated with one another, and a multiple people load comparison unit determining whether a workload value for one of the action scenes is higher than a predetermined condition by comparing the workload value with those of multiple people accumulated in the per-scene load accumulation unit and associated with the same scene information as that on the one of the action scenes.