Design of product specifications for multi-characteristic inspection

Article Abstract:

Multi-characteristic, complete inspection screening models are developed which are capable of evaluating the interactions between quality characteristics in a unit. One model features separate screening specifications and joint evaluation of the inspection results in order to determine overall conformance. The other model direct tradeoffs among the quality of characteristics is achieved by using a joint screening rule based on an collection of the characteristics. The cost performance of the multi-characteristic models is evaluated and compared to the cost performance of independently-determine single characteristic models.

Research, Engineering inspection, Taguchi methods (Quality control), Specifications

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An Inspection Policy Model for Production Facilities

Article Abstract:

Inspection policy models deal with stochastically failing systems. The failures are detected by inspection. A production facility inspection model is developed. It accures revenue for each in unit in which the facility is known to be in good repair. Costs considered are inspection, operating and repair costs. A dynamic programming algorithm maximizes the expected profit between repairs. Tables show numerical results from the model.

Profits, Quality control, Manufacturing, Reliability (Trustworthiness), Dynamic programming, Maintenance, Modeling, Data modeling software, Reliability, Inspection, Stochastic Model, Profit, Management Science, Probability

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A note on computing periodic inspection policies

Article Abstract:

A new approximation of the optimal interval between system inspections for failure is offered, after the current approximation is analyzed. The optimal interval can only be established following a rigorous analysis of the underlying failure distribution.

Operations research, Accounting and auditing, Factory inspection

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