PROBLEM TO BE SOLVED: To provide a software update unit capable of carrying out recovery processing suitable to various units.SOLUTION: The software update unit includes: an update control unit which is connected to a control unit to control to carry out a series of update processing to cause a software of the control unit to transit from a state before the update to an update completion state; a recovery control information management part that acquires a piece of recovery control information; and a recovery control unit that, when the software does not transit to the update completion state due to abnormality in the update processing, carries out a series of recovery processing to transit the software to the update completion state based on the recovery control information.SELECTED DRAWING: Figure 2
【課題】多様な装置に対応したリカバリ処理を実行できる。【解決手段】ソフトウェア更新装置は、制御装置と接続され、制御装置のソフトウェアを更新前状態から更新完了状態へと遷移させる更新処理を行う更新制御部と、リカバリ制御情報を取得するリカバリ制御情報管理部と、更新処理の異常によりソフトウェアが更新完了状態へと遷移されていない場合に、リカバリ制御情報に基づきソフトウェアを更新完了状態に遷移させるリカバリ処理を実行するリカバリ制御部とを備える。【選択図】図2
SOFTWARE UPDATE UNIT, SOFTWARE UPDATE METHOD, SOFTWARE UPDATE SYSTEM
ソフトウェア更新装置、ソフトウェア更新方法、ソフトウェア更新システム
2018-04-19
Patent
Electronic Resource
Japanese
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