本发明提供了一种船舶综合风险评估方法，包括：根据船舶综合电力推进系统各功能单元组成，建立单元风险评估模型，获得各单元风险参数；在船舶综合电力推进系统满负载全速航行状态和半负载巡航状态下对功能单元进行风险分级，获得满负载全速航行状态和半负载巡航状态下单元风险等级；根据单元风险评估模型和单元风险等级，建立系统风险评估矩阵；根据风险评估矩阵，对船舶综合电力推进系统进行系统潮流分析，得到单元失效下的一次船舶综合电力推进系统风险评估；根据所有单元风险参数随机生成单元的风险序列，根据单元风险序列对船舶综合电力推进系统进行多风险评估，得到系统风险参数和风险发生概率。

The invention provides a ship comprehensive monitoring, control and risk assessment prediction method and system. The method comprises the following steps: S1, building ship control terminal equipment, and collecting ship operation data; S2, establishing a unit risk assessment model according to the composition of each functional unit of a ship comprehensive electric propulsion system, and obtaining risk parameters of each unit; S3, performing risk grading on the functional units in a full-load full-speed navigation state and a half-load cruise state of the ship comprehensive electric propulsion system to obtain unit risk grades in the full-load full-speed navigation state and the half-load cruise state; S4, establishing a system risk assessment matrix according to the unit risk assessmentmodel and the unit risk level; S5, according to the risk assessment matrix, carrying out system power flow analysis on the ship comprehensive electric propulsion system, and obtaining primary ship comprehensive electric propulsion system risk assessment under unit failure; and S6, randomly generating a risk sequence of the units according to all the unit risk parameters, and performing multi-riskassessment on the ship comprehensive electric propulsion system according to the unit risk sequence to obtain system risk parameters and risk occurrence probability. According to the invention, accurate, efficient and real-time acquisition of ship application data can be realized, and risk occurrence probability and risk consequence evaluation is carried out on the ship comprehensive electric propulsion system according to the characteristics of the ship comprehensive electric propulsion system; and meanwhile, the unit failure-environment influence-system states relation and the influence onthe ship comprehensive electric propulsion system are considered.