Author Keywords: Production processes; job satisfaction; assembly line 相似文献
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A study of the impact of machine-paced (M/P) and self-paced (S/P) work on job satisfaction of 28 female industrial assembly workers was evaluated in which M/P work was confounded with simplified work and the S/P job was confounded with enriched tasks. Results indicated the following:
1. 1. Over three-quarters of workers were more satisfied in S/P jobs, while only less than one-quarter were more satisfied in M/P jobs.
2. 2. The 16PF personality test effectively predicts (0·88 multiple correlation) the satisfaction ratios of M/P to S/P jobs.
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P. Sivakumar A. Rajaraman G. M. Samuel Knight D. S. Ramachandramurthy 《Canadian Metallurgical Quarterly》2004,18(2):162-171
A new approach is presented for the optimization of steel lattice towers by combining genetic algorithms and an object-oriented approach. The purpose of this approach is to eliminate the difficulties in the handling of large size problems such as lattice towers. Improved search and rapid convergence are obtained by considering the lattice tower as a set of small objects and combining these objects into a system. This is possible with serial cantilever structures such as lattice towers. A tower consists of panel objects, which can be classified as separate objects, as they possess an independent property as well as inherent properties. This can considerably reduce the design space of the problem and enhance the result. An optimization approach for the steel lattice tower problem using objects and genetic algorithms is presented here. The paper also describes the algorithm with practical design considerations used for this approach. To demonstrate the approach, a typical tower configuration with practical constraints has been considered for discrete optimization with the new approach and compared with the results of a normal approach in which the full tower is considered. 相似文献
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Hardwicke Knight 《History of Photography》2013,37(4):301-312
Abstract On 30th October 1833 Russell Sedgfield, at the age of seven and while on a visit to London, wrote a letter to Master Edward Sedgfield, his younger brother by one year: ‘Dear Edward, I have seen the Monument, River, Ships, and a Steam Boat, and the ships are not as big as our house, and I went out walking and saw St Pauls ...’ The handwriting is firm and decisive. He concluded: ‘Give my love to Papa and Mama, Grandfather, Grandma, Grandpa, Aunt Charlotte, Henry and Sisters, and I remain, Your Affectionate Brother, Russell.’ A year or two later he wrote a pertinent little poem, The Family Meeting, in which he characterized his ten uncles and aunts. Good observation and the ability to grasp the essentials and weigh things up seem to have been distinctive traits of Sedgfield from an early age. 相似文献
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