Control system simulation modeling method of ship propulsion motor in four sea condition environments

Abstract

The invention provides a control system simulation modeling method of a ship propulsion motor in four sea condition environments. The simulation modeling method comprises the following steps of: constructing a ship motion model; constructing a marine environment disturbance force model, wherein the marine environment disturbance force model comprises a wind disturbance simulation model, a wave disturbance simulation model and a flow disturbance simulation model; constructing a propulsion motor model, wherein the propulsion motor model comprises an asynchronous motor model and a vector controlmodel; constructing a paddle model; and synthesizing the ship motion model, the marine environment disturbance force model, the propulsion motor model and the paddle model to form a comprehensive model of the electric propulsion ship propulsion motor and paddle, and acquiring a simulation result based on the comprehensive model of the electric propulsion ship propulsion motor and paddle. Startingfrom the stability of a power system, the method analyzes the influence of four sea conditions on ship motion and the electric propulsion system, and a stability control experiment is subjected to simulation analysis and research by adopting related strategies.

Description

technical field [0001] The invention relates to the field of ship control system simulation, in particular to a ship propulsion motor control system simulation modeling method under four sea conditions. Background technique [0002] During the operation of electric propulsion ships, especially in the open ocean, due to the influence of complex sea conditions, any change in the working condition of any equipment in the power system may have an impact on the entire power grid of the ship, which is the key to determining whether the ship can sail safely . The traditional propulsion motor modeling method is mainly to simulate the propulsion motor through the artificial subjective sudden increase and decrease of load after building the propulsion motor and propeller model, without studying the specific model of the actual wind, wave and current ocean environment conditions for electric propulsion ships. The influence of the characteristic, and the change of the working condition...

AI Technical Summary

Problems solved by technology

The traditional propulsion motor modeling method is mainly to simulate the propulsion motor through the artificial subjective sudden increase and decrease of load after building the propulsion motor and propeller model, without studying the specific model of the actual wind, wave and current ocean environment conditions for electric propulsion ships. characteristics, and changes in propulsion motor operating conditions caused by propeller actual load torque fluctuations

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