Boots – shoes – and leggings
Patent
1993-06-24
1994-11-29
Gordon, Paul
Boots, shoes, and leggings
364131, 364137, 364150, 364477, 364557, G05B 1304, G05D 2330, G06F 1546
Patent
active
053695674
ABSTRACT:
A furnace 1 runs while repeating a cycle in which the furnace inside temperature varies along a preset pattern of temperature change with time under the control of a primary controller 12, and adjustment input r being applied to an enlarged system including the furnace 1 and the controller 12 is renewed at the end of each cycle of operation, based partly on output from a dual system with respect to the enlarged system, so as to reduce error between the preset temperature and the furnace inside temperature in the next cycle. The temperatures of heaters 2 of the furnace 1 are controlled by a secondary controller 35, and the set values at the input of the secondary controller 35 are given by output signals (.tau.) from the primary controller 12 which responds to the furnace inside temperatures (y). The order of the dual system is reduced, and the renewal of the adjustment input r is quickened.
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Abe Akira
Furuta Katsuhisa
Ito Akinori
Manabe Hiroyuki
Furuta Katsuhisa
Gordon Paul
Ohkura Electric Co. Ltd.
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