Supervisory control of a class of discrete event processes
SIAM Journal on Control and Optimization
On observability of discrete-event systems
Information Sciences: an International Journal - Robotics and Automation/Control Series
Creating user manuals for using in collaborative design
Conference Companion on Human Factors in Computing Systems
The Murphi Verification System
CAV '96 Proceedings of the 8th International Conference on Computer Aided Verification
Analysis of Automation Surprises in Human-Machine Systems with Time Information
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
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In human-machine systems, a user gets abstracted information of a machine via an interface and operates it referring to a manual. If a manual has an erroneous description leading to automation surprises, the user may be lost in his/her operations so that he/she may make a serious human error. In this paper, we propose an algorithm for generating a manual by which automation surprises never occur. We model the machine and the interface as a discrete event system and a mapping from machine's state to a display of the interface, respectively. First, we represent a manual as a finite language and model behavior of the system operated by the user with the manual as a tree called an operational tree. Next, we characterize three automation surprises using the tree. Finally, we propose an algorithm for generating an operational tree by which the machine reaches a target state.