Flexibility (engineering)

For other uses of the term, see flexibility (disambiguation).

Flexibility is used as an attribute of various types of systems. In the field of engineering systems design, it refers to designs that can adapt when external changes occur. Flexibility has been defined differently in many fields of engineering, architecture, biology, economics, etc. In the context of engineering design one can define flexibility as the ability of a system to respond to potential internal or external changes affecting its value delivery, in a timely and cost-effective manner. Thus, flexibility for an engineering system is the ease with which the system can respond to uncertainty in a manner to sustain or increase its value delivery. Uncertainty is a key element in the definition of flexibility. Uncertainty can create both risks and opportunities in a system, and it is with the existence of uncertainty that flexibility becomes valuable.

Flexible Manufacturing System

Flexibility has been especially thoroughly studied for manufacturing systems. For manufacturing science eleven different classes of flexibility have been identified [Browne, 1984], [Sethi and Sethi, 1990]:

These definitions yield under current conditions of the system and that no major setups are conducted or investments are made (except expansion flexibility). Many of the flexibility types are linked to each other; increasing one flexibility type also increases another. But in some cases tradeoffs between two flexibility types are needed.

Bibliography

References

  1. Srivastava, Samir K and Bansal, Sahil, "Measuring and Comparing Volume Flexibility across Indian Firms", International Journal of Business Performance Management, 14(1), 2013, pp. 38-51.
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