Abstract
Although importance of innovation has been widely recognized, there is a lack of the effective method to evaluate the design innovation. Most of the existing methods for innovation evaluations are based on the qualitative analysis and domain experts. As the lack of objective indicators and rules, evaluation results from different designers are easy to differ. In order to reduce obstacles of the innovative design, this paper proposes a quantitative method to evaluate the innovation of conceptual schemes. From the perspective of product physical attributes, length-time dimensions are formed to represent the scheme type and innovation level. The degree of technical differences between existing products and new solutions is assigned as a measurable independent variable. Using a multiple regression model, sufficient case data are analyzed to obtain the evaluation formula with the statistical and engineering significance. The proposed method is applied to evaluate design of a series of practical products. Design of a tire breaker for the traffic control illustrates the method in detail, which proves the method potential to guide designers for searching innovative solutions.
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Acknowledgments
This research is sponsored by the National Natural Science Foundation of China (No. 51675159). The first author would like to thank dear Ms. Lu Xiaoyan for her company and care in the revision process of this paper.
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Kang Wang is a Doctoral Candidate from Hebei University of Technology. His research interests are mainly in the theory and application of product innovation, and innovative management. He has 5 published papers, and 2 authorised inventive patents.
Runhua Tan is a Professor and Director of China’s National Technological Innovation Method and Tool Engineering Research Center, the Vice-President of the Organisation of Computer-Aided Innovation (WG5.4) of International Federation for Information Processing (IFIP) in Asia. His research interests are mainly in TRIZ, product conceptual design, and innovation management approaches. Dr. Tan has published more than 90 articles in journals such as International Journal of Product Development, Journal of Innovation and Entrepreneurship.
Qingjin Peng is a Professor in the Department of Mechanical Engineering at Price Faculty of Engineering, University of Manitoba. Dr. Peng has published over 200 refereed papers in international journals and conferences. His research areas are intelligent manufacturing, product design for sustainability and personalization.
Lulu Zhang is a Doctoral Candidate from Hebei University of Technology. Her research interests are the product function base and enterprise knowledge base. She has 2 published papers, and 1 authorised inventive patent.
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Wang, K., Tan, R., Peng, Q. et al. Evaluation of design innovation using the length-time dimension and regression analysis. J Mech Sci Technol 36, 5625–5637 (2022). https://doi.org/10.1007/s12206-022-1025-6
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DOI: https://doi.org/10.1007/s12206-022-1025-6