By I. Nunes
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The content material of this monograph stems from the writer's early involvement with the layout of a sequence of tv digital camera tubes: the orthicon, the picture orthicon and the vidicon. those tubes and their diversifications, have, at various instances been the "eyes" of the tv method virtually from its inception in 1939.
Because of the ever-changing technological panorama and the worldwide integration of the web in faculties, libraries, houses, and companies, the content material of this moment version replaced considerably. for the reason that many laptop clients are hooked up at either domestic and paintings, the internet has reworked verbal exchange; intake styles; and entry to enterprise, politicians, and acquaintances midway worldwide.
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Additional info for Ergonomics - A Systems Approach
Peper et al. (2003) reviewed the ergonomic and psychosocial factors that affect musculoskeletal disorders at the workstation, and their results showed that there was a significant difference in right forearm extensor-flexor muscle tension and in right middle trapezius muscle tension between type tasks and rest. Shuval and Donchin (2005) examined the relationship between ergonomic risk factors and upper extremity musculoskeletal symptoms in VDT workers, by taking into account individual and work organizational factors, and stress.
1993). Vibrometry of Industrial Workers: A Case Study. International Journal of Industrial Ergonomics, Vol. 11, No. 4, pp. 341-345 NIOSH (1991). Epidemiological basis for manual lifting guidelines. In: Scientific support documentation for the revised 1991 NIOSH lifting equation: technical contract reports. Springfield, VA: National Technical Information Service (NTIS), NTIS No. PB–91– 226274. NIOSH (1994). Applications Manual for the Revised NIOSH Lifting Equation. NIOSH Publication No. 94-110.
1998), (Nunes, 2006). The ERGO_X method of workstation ergonomic analysis was subject to a Portuguese patent (Nunes, 2009b). FAST ERGO_X application was then developed based on the ERGO_X model, therefore FAST ERGO_X is a fuzzy expert system. This is an innovative approach that uses Artificial Intelligence concepts. This approach presents some advantages over the classical methods commonly used. Based on objective and subjective data, the system evaluates the risk factors present in workplaces that can lead to the development of WMSD, and presents the findings of the evaluation.
Ergonomics - A Systems Approach by I. Nunes