报告时间20191220日(星期五)下午16:00

报告地点:机械学院知行讲堂(旧机械楼203

   人:美国佛罗里达理工学院(FITChiradeep Sen博士

主办单位:机械工程学院、国际教育学院、科技处

报告摘要

Designing is fundamentally linked with the mental process of creative synthesis that produces solutions from problems, and sketching is an activity integral to designing. Designers use sketching to conceptualize, visualize, generate, store, and communicate their design ideas. Creative sketch synthesis is a real-time translation of information from the cognitive to the external representation domains. Thus, studying sketching could provide an insight into the cognitive processes of designing and creativity.

Chunking is a cognitive process, in which multiple smaller bits of information are progressively grouped into larger units, called chunks, which allows us to complex information in our thoughts.  Mechanically, the process is somewhat similar to creating complex object-oriented classes, where the objects are recognized as a whole and their inner details are encapsulated. Chunking was previously shown to exist as a defining mental process for a large variety of mental tasks from various domains. However, it was not previously shown to exist in the creative synthesis tasks, such as technical sketching.

This lecture describes a human-subject protocol study examining the cognitive process of freehand sketching during design ideation, and presents empirical evidence for the presence of chunking during sketching. Volunteer designers sketched solution concepts to unseen design problems using a proprietary writing utensil called the Smart Pen, and later using a homegrown software program on a tablet computer. These utensils and programs performed a time study and identified pen stroke clusters. The designers were also asked to voluntarily label (assign names) to the objects sketched. These pen-stroke clusters were later found to be strongly correlated with the sketched objects that the designers voluntarily named during labelling, irrespective of the object’s location in the assembly hierarchy of the solution. The frequent occurrence of single-private clusters, where all pen-strokes in a cluster are used to draw a single named object and vice-versa, provides evidence for cognitive chunking in creative sketching during design ideation.

Chiradeep Sen博士简介

Dr. Chiradeep Sen is an Assistant Professor of Mechanical Engineering at Florida Institute of Technology and the director of the Research in Information Science for Engineering (RISE) research group. His research interests are design cognition and behavior, formal linguistics, representations, and reasoning in design, and knowledge-based systems for design and manufacturing automation. His research has been funded by the National Science Foundation (NSF), General Motors (GM), United States Council for Automotive Research (USCAR), and the Kern Family Foundation (KFF). In the past five years, he has managed over $1.2M in research grants as principal investigator (PI) or Co-PI.  

Dr. Sen received his B.S. from Jadavpur University, India (1995), and his M.S. (2009) and Ph.D. (2011) from Clemson University, USA, in Mechanical Engineering.  He received the ASME National Best Dissertation award for his doctoral research.  Dr. Sen has over thirteen years of full-time industry experience in product design, tool design, and design automation in consumer electronics, automotive, and heavy engineering companies.

 

 

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