Yu, Yan, et al. “Design of Motor-Driven Precision Seed-Metering Device With Improved Fuzzy PID Controller for Small Peanut Planters”. International Journal of Agricultural and Biological Engineering, vol. 16, no. 1, Mar. 2023, pp. 136-44, https://ijabe.migration.pkpps03.publicknowledgeproject.org/index.php/ijabe/article/view/7859.