1. College of Mechanical and Electronic Engineering, Shandong Agricultural University, Tai’an 271018, China
2. Provincial Key Laboratory of Horticultural Machinery and Equipment, Shandong Agricultural University, Tai’an 271018, China
3. Shandong Guotai Dacheng Technology Co., Ltd., Tai’an 271018, China
4. Yantai Academy of Agricultural Sciences, Yantai 265500, China