TY - JOUR A1 - Lin, Y. A1 - Chen, Q. A1 - Zhang, H. A1 - Ma, Y. A1 - Zeng, W. A1 - Wei, G. A1 - Wang, H. A1 - Xiao, M. T1 - Design and test of a positioning system for a greenhouse electric micro-tiller based on ultra-wideband JO - Mech. Sci. J1 - MS VL - 13 IS - 1 SP - 225 EP - 237 Y1 - 2022/03/17 PB - Copernicus Publications SN - 2191-916X UR - https://ms.copernicus.org/articles/13/225/2022/ L1 - https://ms.copernicus.org/articles/13/225/2022/ms-13-225-2022.pdf DO - 10.5194/ms-13-225-2022 ER -