QRA

Critical points of QRA application in the engineering design of large-scale petrochemical projects

大型石化项目设计应用QRA技术要点

The basic principles and general process of quantitative risk analysis ( QRA ) for oil and gas pipeline failure were introduced .

介绍了油气管道泄漏事故定量风险评价的基本原则和一般步骤。

In this thesis , a QRA model of fixed platform is established for analyzing the structure failures induced by the extreme sea loads .

文中主要针对浅海固定式平台结构系统的风险，建立了定量风险评价的模型。

The results indicate that the optimal equalization algorithm can solve the force fighting effectively , and the QRA can operate at degradation performance continuously under the first failure and the second failure .

仿真结果标明，优化的力均衡算法可以有效解决力纷争的问题，四余度舵机可以在一次故障、二次故障的情况下持续工作。

This paper establishes the mathematical model of quad redundant actuator ( QRA ), investigates the force equalization algorithm and carries out the performance degradation simulation and reliability analysis under the first failure and the second failure .

在建立四余度舵机数学模型的基础上，研究了力均衡算法，对四余度舵机一次故障、二次故障情况下的性能降级和可靠性进行了仿真分析。

The quantity risk assessment ( QRA ) method which can improve the reason of human 's behavior is able to quantify the risk in dangerous goods transportation on road , so that the level of risk management can be improved .

提高人类行为的理智性和稳健性、保证人类社会可持续发展的定量风险评价研究，能将道路危险货物运输中的风险准确的予以量化，大大提高道路危险货物运输风险管理水平。