Due to the errors in calculating external load and thrust system parameters, traditional dynamic positioning model of oil drilling platform has poor positioning accuracy, making it difficult to meet the demand of oil exploitation. Therefore, a new dynamic positioning model of offshore oil drilling platform is designed based on OIPSO algorithm. Based on the mathematical model of offshore oil drilling platform, the external load (wind, wave and ocean current) is calculated, and the movement of the platform is simulated, thus the motion equation of the platform is constructed. Based on this, OIPSO algorithm is used to distribute the thrust force for dynamic positioning, and to determine the value range of decision variables. Then combined with PID controller, the movement of the offshore oil drilling platform can be controlled, so as to realize the dynamic positioning of the platform. The experimental results show that compared with the traditional model, the dynamic positioning error of the proposed model is smaller, and the model has higher validity and feasibility.

传统的石油钻井平台动力定位模型由于计算外载荷和推力系统参数存在误差，定位精度较差，难以满足石油开采的需求。为此，基于OIPSO算法设计了一种新的海上石油钻井平台动态定位模型。基于海上石油钻井平台数学模型，计算外部载荷（风、浪、洋流），模拟平台运动，从而构建平台运动方程。在此基础上，采用OIPSO算法分配动力定位推力，确定决策变量的取值范围。然后结合PID控制器，可以控制海上石油钻井平台的运动，从而实现平台的动态定位。实验结果表明，与传统模型相比，所提模型的动态定位误差更小，具有更高的有效性和可行性。