Effectiveness First and Efficiency Next. Organizations have to be effective and efficient simultaneously. Processes have to be effective and efficient simultaneously. Operations have to be effective and efficient simultaneously. - Narayana Rao
System Efficiency Engineering - Methods, Subjects, Techniques, and Tools
Authors
System efficiency engineering is one of the components of industrial engineering. Actually, the purpose of industrial engineering is efficiency improvement. Productivity is part of efficiency. Productivity is defined as output divided by input. It is calculated for a period like a year or month. The inputs can be individual resources or combinations of inputs. Efficiency also considers the state of resources after their use in processes. If the operators participating in a process are unhappy after the activity, it is part of inefficiency. Industrial engineers have to redesign the processes, not only to increase output in a single period, but also to maintain the resources in good sustainable condition to do work in the future.
Efficiency engineering is a term used by many to describe scientific management and industrial engineering.
Judith Merkle[1] used the term "A Permanent Revolution in Efficiency Engineering" as subheading in his book Management and ideology: the legacy of the international scientific management movement, published by University of California Press in 1980.
The following methods or techniques are available in industrial engineering to support system efficiency. Some of them are taught as full subjects in industrial engineering curriculums.
1. Engineering Economics or Engineering Economy.
2. Layout efficiency studies - Study of distance moved by materials and operators
3. Method Study includes process analysis or study and operation analysis or study.
4. Operations Research
5. Organization and Methods or Office Systems Study
6. Planning and Control Systems Improvement
7. Statistical Inventory Control
References
1. Judith Merkle, Management and ideology: the legacy of the international scientific management movement, University of California Press, 1980.
Updated 23.4.2022, 5.2.2022, 14.2.2010
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