2009 Volume 11 Issue 3 Pages 233-242
It is important for Japanese industries to success the skill of veteran workers to young workers. The authors are studying the relation between the skill of plant operation and eye fixation points on the symbols of control panel of skilled operators. This study experimentally investigates the relation between safety variables and the variables corresponding to the symbols on control panel that skilled operators fix their eyes. The DURESS that is an artificial simple plant is used in this study as an example of plants. Three types of DURESS are designed by changing safety variable. The eye fixation rates of the symbols on control panel of skilled operators for each DURESS are compared in the operation from an initial condition to a specified goal condition. The results show that the eye fixation rates are high on the symbols corresponding to safety variables and the rates are even higher than those for the variables that need fine control in operation.