DP-3级动力定位控制系统的体系结构

Control Architecture of DP-3 Dynamic Positioning System

根据各船级社对深海作业的安全规范要求,完成了DP-3级动力定位控制系统的硬件与软件设计.详细阐述了DP-3级动力定位控制系统的硬件体系结构与软件体系结构的组成.针对动力定位各子系统所完成功能的不同,对控制系统的软件体系结构进行了应用层、实时层以及物理层的分层设计.为了对控制系统的软件逻辑、硬件体系、数据接口以及系统可靠性进行有效验证,采用实物仿真与虚拟仿真相结合的方法建立了DP-3级动力定位的半实物仿真系统.在半实物仿真系统上对某一深水钻井平台进行了动态模拟试验,仿真结果表明所设计的定位系统可以为动力定位控制系统方案设计的可行性以及控制方法的有效性提供测试环境,所设计的体系结构可为工程应用提供一定的参考.

Control architecture of hardware and software for DP-3 Dynamic Positioning System （DPS） was designed and developed according to the safety specification assigned by the class societies for deepwater operation. Both software and hardware architecture of the control system for DP-3 DPS were described in detail. Due to the different roles that sub-systems are responsible to play, software design was divided into three layers： application layer, real-time layer and physical layer. To test the software logic, hardware architecture, data interface and system reliability of the control system, a semi physical simulation system was established by combining physical simulation of the actual control system with virtual emulation of the functions of sensors, Position Reference Systems（PRM） and actuator system through data specifications and interface protocols of the real devices. The results of dynamic simulating on a deepsea drilling rig demonstrate that the control system can provide a testbed for verifying the feasibility of DPS design and for validating the control strategy and algorithm, and the control architecture can serve as reference in engineering application.