A Guide to Human Factors and Ergonomics, Second Edition by Martin Helander

By Martin Helander

Thoroughly revised and up to date, A advisor to Human elements and Ergonomics, moment Edition provides a finished advent to the sector. construction at the starting place of the 1st variation, titled Guide to Ergonomics of Manufacturing, the hot name displays the multiplied variety of insurance and applicability of the suggestions you will discover within the moment version. every bankruptcy comprises new fabric and a few were totally rewritten. Drawing at the author’s event in either educating and undefined, the publication lays to relaxation the typical myths and misconceptions that encompass ergonomics.

Unlike such a lot ergonomics and human components books that emphasize the actual, this one supplies a huge evaluation of cognitive in addition to actual ergonomics. Written in an available type, it offers a platforms method of human elements and ergonomics that results in entire knowing. the writer demonstrates easy methods to acquire facts on clients and operators and the way to transform the information to strong layout, and gives a pragmatic advisor to the layout and research of platforms. layout orientated, platforms orientated, and effects orientated, this article presents the instruments had to clear up platforms difficulties and advance sufficient layout strategies.

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Additional info for A Guide to Human Factors and Ergonomics, Second Edition

Example text

Let’s assume that to enhance traffic safety, it is important to identify the high peaks of driver stress and then to redesign parts of the roadway so that they are less demanding and reduce driver stress. The theory or construct is based on Yerkes-Dodson Law. This law implies that if there are situations where most people have a high stress level, then there is also a chance that the performance level is reduced. There is an optimal stress level where there is a chance that performance is greater.

Many examples of special illumination systems for inspection are presented in Chapter 4. A guide to human factors and ergonomics 20 JOB ROTATION AND SHIFT OVERLAP Visual inspection is often monotonous, and the operators had problems in sustaining their attention throughout an entire work shift. To break the monotony, job rotation was incorporated. Operators could then split their time between two jobs (Grandjean, 1985). Existing rest-break patterns were evaluated, but it did not seem necessary to increase the length of the rest break.

Pupil diameter is sensitive to mental workload, such as mental arithmetic. The pupil increases in size as mental workload increases. But the changing illumination conditions inside the car would also affect the pupil size, so it would not be a valid measure in traffic. A guide to human factors and ergonomics 32 • Subjective evaluation can also be used. One can ask the driver to use a scale of, say, 1 to 5 to continuously rate the difficulty or stress of the traffic conditions as they keep driving.

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