第六章测试
1.The dynamic positioning system mainly includes the following functions: fixed point control, track control, linear control and ( ).(动力定位系统主要包括如下功能:定点控制、航迹控制、循线控制和         )
A:Feedback control (反馈控制) B:Deviation control (偏差控制) C:Tracking control (跟踪控制) D:Follow-up control (随动控制)
答案:C
2. The system for measuring position in the dynamic positioning system is ( ).(动力定位系统中测量位置的系统有)
A:Underwater acoustic positioning system (水声定位系统) B:Radio positioning system (无线电定位系统) C:Satellite navigation and positioning system (卫星导航定位系统) D:All of the above (以上都是) 3.The power positioning system mainly includes the following subsystems: ( ), control system and thrust system.(动力定位系统主要包括以下几个子系统:       、控制系统和推力系统。)
A:Feedback system (反馈系统) B:Measuring system (测量系统) C:Interfere with the system (干扰系统) D:Follow-up system (随动系统) 4.Among the disturbances to the ship dynamic positioning system, the disturbance that causes the ship to produce high-frequency motion is ( ).(船舶动力定位系统受到的扰动中,使船舶产生高频运动的扰动是      )
A:All of the above (以上都是) B:The flow (流) C:Waves (浪) D:Steady current wind (稳流风) 5.In ship dynamic positioning, for the steady flow wind acting on the ship, the control method     is generally adopted to eliminate its disturbance.(在船舶动力定位中,对于作用在船舶上的稳流风来说,一般采取      控制方法来消除其扰动。)
A:Servo system (伺服系统) B:Adaptive control (自适应控制) C:Feedback system (反馈系统) D:Feed forward system (前馈系统)

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