| 摘要 |
PCT No. PCT/JP85/00126 Sec. 371 Date Oct. 23, 1985 Sec. 102(e) Date Oct. 23, 1985 PCT Filed Mar. 14, 1985 PCT Pub. No. WO85/04267 PCT Pub. Date Sep. 26, 1985.When an output from a sensor (11) is decreased below a key-lock release preset value (K), a comparator (19) generates an output so as to reset a flip-flop (21) and to enable an AND gate (22). When the output from the sensor (11) is decreased below a reset preset value (R), a comparator (20) generates an output so as to supply a reset signal to an integrated value holding unit (16) through the AND gate (22) and to reset the flip-flop (21), thus thereafter restarting an integral action by the integrated value holding unit (16).
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