Development of photoelectric balanced car based on the linear CCD sensor Feng Wang, Yanlei Zhao, Jigao Zhao, Haofeng Zhao, Hao Zhang, Pengfei Dong and Xiaoli Zheng MATEC Web Conf., 77 (2016) 09008 Published online: 03 October 2016 DOI: 10.1051/matecconf/20167709008