PROGRAM UPDATE METHOD

To make it possible to update a control program at an early stage while avoiding a failure to update the control program due to power shortage of a first battery BAT1.SOLUTION: An update control device 11 acquires a residual capacity X of power of a first battery BAT1 that supplies power to an elect...

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Bibliographische Detailangaben
Hauptverfasser:	KOKUBO TAKESHI, UENO TOMOHITO, MORII SOICHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PERFORMING OPERATIONS PHYSICS TRANSPORTING VEHICLES IN GENERAL VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
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Beschreibung
Zusammenfassung:	To make it possible to update a control program at an early stage while avoiding a failure to update the control program due to power shortage of a first battery BAT1.SOLUTION: An update control device 11 acquires a residual capacity X of power of a first battery BAT1 that supplies power to an electronic control device 12 that updates a control program (step S24), acquires an amount of power Y necessary for the electronic control device 12 to update the control program (step S25), and when the residual capacity X is less than the amount of power Y (YES in step S26), charges the first battery BAT1 so that the residual capacity X becomes equal to or more than the amount of power Y (steps S32-S34), and then causes the electronic control device 12 to update the control program (step S36).SELECTED DRAWING: Figure 8 【課題】第１バッテリＢＡＴ１の電力不足による制御プログラムの更新失敗を回避しながら、制御プログラムの更新を早期に行うことを可能にする。【解決手段】更新制御装置１１は、制御プログラムを更新する電子制御装置１２に電力を供給する第１バッテリＢＡＴ１の電力の残容量Ｘを取得し（ステップＳ２４）、電子制御装置１２が制御プログラムを更新するために必要となる電力量Ｙを取得し（ステップＳ２５）、残容量Ｘが電力量Ｙよりも少ない場合（ステップＳ２６のＹＥＳ）、残容量Ｘが電力量Ｙ以上となるように第１バッテリＢＡＴ１を充電し（ステップＳ３２〜Ｓ３４）、その後、電子制御装置１２に制御プログラムを更新させる（ステップＳ３６）。【選択図】図８