Boots – shoes – and leggings
Patent
1989-03-17
1990-12-04
Smith, Jerry
Boots, shoes, and leggings
364153, 364148, G05B 1904
Patent
active
049758276
ABSTRACT:
An optimized process control method comprises the steps of: delivering an operation variable to a control system model device which includes one or more model equations which are so modeled that the output obtained when the same process value is delivered to a control object process, is within a predetermined tolerable range and which receives the valve representative of the condition of a real process; receiving an evaluation function which is the result of the arithmetic operation of the one or more model equations, thereby causing the control system model device to carry out an operation for searching for a first optimum control point; defining said first optimum point as an initial value and outputting a set value for the real process from the region whose center is the initial value and which is within an allowable degree of error with respect to a true optimum point; and in response to the set value, searching for a second optimum point for the real process on the basis of the value representative of the condition of the real process according to a trial-and-error searching optimization algorithm, such as simplex method. An optimized process control apparatus which realize the method is also disclosed.
REFERENCES:
patent: 3828171 (1974-08-01), Griffin
patent: 4607325 (1986-08-01), Horn
patent: 4698745 (1987-10-01), Hiroi et al.
"Simplex Optimization of Chemical Systems", Chemical Education, American Chemical Society, vol. 56, No. 5, 5/79.
Gordon Paul
Kabushiki Kaisha Toshiba
Smith Jerry
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