Design and evaluation of silage equipment control panel based on the theory of emotional design and Kansei EngineeringJie Yan, Bing Lv, Jianqiang Wang, Derong Duan, Mengjia Chen and Zequn LiMATEC Web Conf., 176 (2018) 01004DOI: https://doi.org/10.1051/matecconf/201817601004