| US 7,515,976 B2 | ||
| Apparatus and method for acquiring plant operation data of power plant | ||
| Yoshiki Nakahara, Fuchu (Japan); Nobuyuki Sato, Fuchu (Japan); and Keiko Otani, Kawasaki (Japan) | ||
| Assigned to Kabushiki Kaisha Toshiba, Tokyo (Japan) | ||
| Filed on Feb. 01, 2006, as Appl. No. 11/344,128. | ||
| Claims priority of application No. 2005-044808 (JP), filed on Feb. 21, 2005. | ||
| Prior Publication US 2006/0190095 A1, Aug. 24, 2006 | ||
| Int. Cl. G05B 9/02 (2006.01); G05B 11/01 (2006.01); G06F 7/00 (2006.01); G06F 17/30 (2006.01); G06F 12/00 (2006.01); G06F 11/00 (2006.01) | ||
| U.S. Cl. 700—82 [700/17; 707/3; 707/7; 707/10; 707/204; 714/46; 714/57] | 4 Claims |
| 4. A plant operation data acquiring method of managing a history of plant operation data of a control computer controlling
a plant operation, comprising:
receiving and acquiring plant operation data transmitting from the control computer;
storing a history of the acquired plant operation data in the plant operation data storage unit;
searching the plant operation data stored in the plant operation data storage unit;
combining the plant operation data searched from the plant operation data storage unit with a simple data search program for
controlling a computer to realize a simple data search function of simply searching the plant operation data in accordance
with a backup request, and backing up then using a backup storage medium;
a step of deleting the plant operation data stored in the plant operation data storage unit; and
a step of confirming a backup state,
the step of confirming the backup state including confirming whether or not data backup of the plant operation data is executed
before deleting the plant operation data stored in the plant operation data storage unit in the data deletion step; and stopping
data deletion of the plant operation data in the data deletion step if data backup is not executed.
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