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Updated: Sep 1, 2025

Dorsal Column Steerability with Dual Parallel Leads using Dedicated Power Sources: A Computational Model
Published on: February 10, 2011
Research on decoupling control for the longitudinal and lateral dynamics of a tractor considering steering delay
Hequan Miao1, Peisong Diao2, Guangfei Xu3,4
1College of Agricultural Engineering and Food Science, Shandong University of Technology, Zhangdian District, Zibo, 255000, Shandong, China. miaohequan@126.com.
Abstract:
To enhance the efficiency of tractor operation, the longitudinal and lateral dynamic control of a self-driving tractor is studied in this paper, and a control system that decouples control of the longitudinal and lateral movement of the tractor is proposed. The trajectory controller calculates the desired speed and desired yaw rate signals of each subsystem, and a PID controller regulates the longitudinal speed of the tractor. A pure pursuit algorithm calculates the desired front wheel angle of the tractor. To decrease the system time delay in the automatic steering system, an automatic steering scheme based on improved Smith predictive control is proposed. Through decoupling control of the longitudinal and lateral controllers, the tractor's path tracking performance is assured.
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