| 摘要 |
<P>PROBLEM TO BE SOLVED: To control charging/discharging of a battery by determining timing of starting traveling to a feeding point for charging, in order to continue the cargo handling work as far as possible by keeping a charging rate enabling the use of the battery. <P>SOLUTION: The charged state managing system includes: a charged state data acquiring part 11; a cargo handling energy calculation part 12 calculating cargo handling energy; a return energy calculation part 13 calculating return energy necessary to return to the feeding point for charging the battery 41 from a place where a cargo handling apparatus 30 handles the cargo; and a cargo handling propriety determining part 14 determining whether the cargo handling apparatus 30 can return to the feeding point after performing the cargo handling work in the current charged state of the battery 41, on the basis of the current charged state of the battery 41 indicated by the data obtained by the charged state data acquiring part 11, the cargo handling energy calculated by the cargo handling energy calculation part 12, and the return energy calculated by the return energy calculation part 13. <P>COPYRIGHT: (C)2012,JPO&INPIT |
