Human-Computer Interaction: Ergonomics and User Interfaces - Vol. 1

By Hans-Jörg Bullinger; Jürgen Ziegler | Go to book overview

Design of Interface for Operational Support of
an Experimental Accelerator with Adaptability
to User Preference and Skill Level

Makoto Takahashi, Yoshinori Kuramochi,Shigeo Matsuyama, Masanori Fujisawa and Masaharu Kitamura
Graduate School of Engineering, Tohoku University, Japan


Introduction

The interface design of complex engineering system has been considered as the important issues for effective and reliable operation of the system. More attention is being paid to interface design for newly developed systems compared with the ones developed a few decades ago, when design of hardware system had been the primary issues. Our target system, twenty years old experimental accelerator has gone through incremental hardware modification to maintain its functionality. As it is a system primarily for experimental purpose, little attention has been paid to interface design so far. As this system is supposed to be operated by experimenters themselves with varying level of expertise, the modification of interface design has been necessary to realize more effective and safety operation. The purpose of the present study is to develop a modified interface design for the accelerator system through the detailed analysis of operators' behavior with the method of' cognitive task analysis. The concept of adaptable interface design, which is revised concept of our preference-based interface design ( Takahashi.,et.al., 1998), has been adopted as the basic principle of this modification scheme.


Target System

The accelerator experimental facility consists of two major components; (1) the accelerator itself and (2) the beam transport system. The ionized particles generated and accelerated in the accelerator are then transported along with the beam line. Six target positions with different angles are prepared for different experimental purposes. The orientation and convergence of the beam are controlled by the set of magnets installed along with the beam line. In the present study, the beam transport system (BTS), that requires more complex operation compared with accelerator, has been taken as the main object for interface modification.

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