Abstract
This chapter discusses comparative study in different man–machine systems for human control tasks. Potential man–machine problems are born in the design phase of the construction process. With the help of the data obtained in the interview with a member of the technical management, a number of characteristics of the plant hardware, the control system, and the man-machine interface are formulated. Some formal characteristics of the organizational system are obtained by the means of the interview with a member of the management. The factor achievement in the job satisfaction questionnaire is positively related with the dimension activities (ACT), controllability of the process (CONT), and system ergonomics (ERG). The present analysis may lead to the conclusion that a comparative study of quite different man–machine systems, which implies an analysis on the level of the system and not on that of the individual operator, can provide meaningful results in regard to the human aspects of man–machine systems.
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