Persuasive Agents

The goal of the “Persuasive Agents”-project is to develop novel techniques for persuading the members of a household to save energy. To this purpose teams of psychologists (Eindhoven) and computer scientists (Tilburg) collaborate with Smart Homes, the Dutch Expertise Centre on Home Automation & Smart Living.

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Contact Info

C. Liu
Eindhoven University of Technology, The Netherlands
Industrial Engineering & Innovation Sciences
Section Human-Technology Interaction, IPO 1.26
PO Box 513, 5600 MB Eindhoven
0031 40 247 520


I am a Ph.D. student working at the Human Technology Interaction Group at the Eindhoven University of Technology and the Tilburg Center for Cognition and Communication at the University of Tilburg. I received a scholarship from the Chinese government to do a four-year PhD project.
My research project is about Persuasive Robotics. More specifically, my current research topic is facial expression generation and evaluation of those facial expressions by human observers. So: How to produce artificial facial expressions (using which models), and will people correctly recognize those facial expressions? My supervisor is Jaap Ham (TU/e), and my promoters are Cees Midden (TU/e) and Eric Postma (UvT).
My background is Computer Science (MSc) and Mathematics (BSc), and earlierly I mainly investigated projects about Information Security.


Liu, C., Ham, J., & Midden, C.(2011). Persuasive robotics: Artificial embodied agents as persuasive technology. Poster presented at the International Conference on Social Robotics, Amsterdam, The Netherlands, November 24-25, 2011.
Liu, C., Ham, J., Postma, E., Midden, C., Joosten, B., & Goudbeek, M. (2012). How to make a robot smile? Perception of Emotional Expressions from Digitally-extracted Facial Landmark Configurations. Paper submitted to the International Conference on Social Robotics, Chengdu, China, October 29-31, 2012.

Role in project

My role in the project is as follows:
I investigate facial expressions generation and evaluation, to find out how to accurately generate facial expressions such that they are evaluated correctly. I plan to use my research results to generate and control the facial expressions of an avatar in the project.