Hyun-Kyu Cho

An Emotion Expression System for the Emotional Robot

In this paper, we presents an emotion expression system for expressing emotion for the emotional robot, which have a plurality of different sensors sense information about internal/external stimuli. In detail, we propose method for processing information that is collected through various sensors in an intelligent robot, a method for determining an emotion, and a method for expressing a corresponding action. Our system can express a specific emotion of the emotional robot in the form recognizable by a user so that an emotional communication between the user and the emotional robot through affective communication. An emotional expression system is comprised of an emotion feature information collector component, an internal status management component, an action determiner component and an action expression component. Our system can be applied to the emotional robot. Also, our system can be used in developing the Cyber character having an emotion or developing the apparatus having an emotion in the ubiquitous environment.

A 100 V, 10 mA high-voltage driver ICs for field emission display applications

We have developed the gate driver IC with 64-channel outputs and the PWM cathode driver IC with 32-channel outputs for driving row/column line of FED panel. The developed gate and the cathode driver ICs having full-complementary high voltage output circuit and CVSL type level shifter are suited for low power consumption, high speed switching as 20 MHz, high output drive voltages ranging from 20 V to 100 V and 20 mA current driving. The high-voltage output stages perform 100 V switching of 50 pF capacitive load with 100 ns of rising/falling time obtained. The LDMOS technology that is completely compatible with 1.2 /spl mu/m analog CMOS process is used to decrease the production cost and increase the packing density of panel driving system. The gate and cathode driver ICs applied 25/spl times/25 FED panels driving board show excellent driving characteristics.

Development of an experimental platform for child friendly emotional robot

It becomes to extend robot service domains to user friendly emotional services from simple passive services in the ubiquitous computing environment. In this paper, we present a development case of an experimental robot platform for the URC emotional model. The emotional robot platform is the thing which induces the intimate sense to children and contributes to the emotional stability of children for the experiment of the URC emotion model. This is able to make use of the robot-assisted activity and robot-assisted therapy through the emotional mutual response with robot and human. Moreover, it will be able to be used for child-care services based on the action interpretation and artificial emotion.

Transformation algorithms between WSCI and BPEL4WS for the collaborative business process

Web services is an emerging technology of distributed computing as an interoperable means of integrating loosely coupled Web applications. To support the business process based on Web services, several specifications, such as BPEL4WS, WSCI, and BPML, were suggested. Among them, BPEL4WS and WSCI may be used to describe a collaborative business process that describes visible message exchanges covering one or more participants involved. In this paper, we suggest the transformation algorithms between WSCI and BPEL4WS to enhance the interoperability. For example, a BPEL4WS implementation system may use the transformation algorithm from WSCI into BPEL4WS to refer to a WSCI-formatted abstract business process

Design and Implementation of Service-Oriented Task Model for Autonomous Service Robot

We identify and describe the challenges of robot task description and discuss the shortcomings of current approaches in meeting these challenges. We then identify a set of goals to guide the design of a task description language for the service-oriented autonomous robot. These goals led to the creation of event-based task description language, a XML-based language for describing user tasks as patterns of sub-tasks and events. ETDL is human-readable yet flexible enough to describe most types of service patterns to human especially in home environment. Finally, we experiment how well we met our goals and implications in the test bed equipped various information appliances using prototype robot, WeverR2

Visualizing and authoring owl OWL in ezOWL

Knowledge modeling with Web ontology language (OWL) is very complicated because OWL is not for human, but for machine. To effectively describe an ontology represented in OWL, we present a novel visualizing and authoring interface in ezOWL. ezOWL is a visual OWL editor that can intuitively construct an ontology. In this paper, we show how to visualize and author ontology intuitively with diagram-based visualizing and authoring techniques