Real ship maneuverability index identification method and device based on system identification
A system identification and maneuverability technology, applied in general control systems, control/regulation systems, instruments, etc., can solve the problems of many links, no application system, low efficiency, etc., to achieve intuitive data, reduce abnormal processing time and correct The effect of the effect of accuracy
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Embodiment 1
[0078] Such as Figure 1-9 Shown, a kind of method of the real ship maneuverability index identification based on system identification of the present invention comprises the following steps:
[0079] Step 1: Real ship input and output data collection
[0080] The data acquisition system automatically collects the motion state data of the real ship based on the sensor equipment connected in parallel with the real ship and stores it in the memory of the upper computer.
[0081] Step 2: Data Processing
[0082] The host computer processor preprocesses the data stored in step 1, and the processed data is used as the output data of the host computer software system identification; the system determines the ship maneuvering parameters to be identified according to the motion model category; and uses the bat algorithm for parameter identification, the target of the parameters to be identified Function J is:
[0083]
[0084] In the formula, ω k is the error disturbance weight...
Embodiment 2
[0187] Such as Figure 12 As shown, when a system identification-based real ship maneuverability index identification method and device of the present invention are actually used, the device adopts the following method steps:
[0188] Step 1: Real ship input and output data collection
[0189] The data acquisition system automatically collects the motion state data of the real ship based on the sensor equipment connected in parallel with the real ship and stores it in the memory of the upper computer.
[0190] Step 2: Data Processing
[0191] The host computer processor preprocesses the data stored in step 1, and the processed data is used as the output data of the host computer software system identification; the system determines the ship maneuvering parameters to be identified according to the motion model category; and uses the bat algorithm for parameter identification, the target of the parameters to be identified Function J is:
[0192]
[0193] In the formula, ω ...
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