April 1998

Instrumentation/Control

Emerging technologies and six sigma

Achieving this performance level can result in substantial gains in product quality and productivity

Deshpande, P. B., Six Sigma and Advanced Controls, Inc.

Six sigma concepts are relevant to statistical process control, stochastic control and engineering process control. They are applicable to batch and continuous process plants. Emerging technologies for nonlinear modeling from the field of artificial intelligence, along with constrained nonlinear optimization algorithms in some cases, can be exploited to boost six sigma efforts. During the '60s and '70s, statistical process control (SPC) concepts helped improve the quality, productivity and competitiveness of discrete parts-manufacturing processes and nonmanufacturing enterprises. These concepts were later adopted in the process industries. The arrival of six sigma, a concept also de

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