Ship electric propulsion system propeller load simulation system

An electric propulsion and load simulation technology, applied in the field of ship simulation, can solve problems such as low data control accuracy, and achieve the effects of high control accuracy, low data control accuracy and simple control structure.

Inactive Publication Date: 2019-08-23
CHONGQING JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Based on the technical problems existing in the background technology, the present invention proposes a propeller load simulation system of a ship electric propulsion system, which has the characteristics of simple control structure and high control accuracy, and solves the problem of the speed and torque of the existing propeller load simulation system. The problem of low control accuracy

Method used

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  • Ship electric propulsion system propeller load simulation system

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Embodiment 1

[0019] A ship electric propulsion system propeller load simulation system, comprising an electric propulsion system, a load simulation system and a data acquisition module, the data acquisition module collects data from the electric propulsion system and the load simulation system, and the data collected by the data acquisition module is sent to a data comparator, The data comparator compares the data of the data acquisition module and the database. The database stores the speed and torque data of the propeller. The data comparator outputs the comparison result through the output module. The output module includes a display screen, a printer and a speaker.

[0020] This technical solution controls the operation of the load motor through the load frequency converter, so that it can generate a torque that is the same as the actual shaft load torque of the propulsion motor. Simultaneously carry out multiple sets of load simulations, so that the common functions of the load simulati...

Embodiment 2

[0022] A ship electric propulsion system propeller load simulation system, comprising an electric propulsion system, a load simulation system and a data acquisition module, the data acquisition module collects data from the electric propulsion system and the load simulation system, and the data collected by the data acquisition module is sent to a data comparator, The data comparator compares the data of the data acquisition module and the database. The database stores the speed and torque data of the propeller. The data comparator outputs the comparison result through the output module. The output module includes a display screen, a printer and a speaker.

[0023] The electric propulsion system includes a propulsion PLC controller and a propulsion monitoring computer, and the data communication between the propulsion PLC controller and the propulsion monitoring computer is carried out through Ethernet. The propulsion frequency converter, the propulsion PLC controller is respec...

Embodiment 3

[0026] A ship electric propulsion system propeller load simulation system, comprising an electric propulsion system, a load simulation system and a data acquisition module, the data acquisition module collects data from the electric propulsion system and the load simulation system, and the data collected by the data acquisition module is sent to a data comparator, The data comparator compares the data of the data acquisition module and the database. The database stores the speed and torque data of the propeller. The data comparator outputs the comparison result through the output module. The output module includes a display screen, a printer and a speaker.

[0027] The electric propulsion system includes a propulsion PLC controller and a propulsion monitoring computer, and the data communication between the propulsion PLC controller and the propulsion monitoring computer is carried out through Ethernet. The propulsion frequency converter, the propulsion PLC controller is respec...

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Abstract

The invention discloses a ship electric propulsion system propeller load simulation system. The system involves an electric propulsion system, a load simulation system and a data acquisition module, wherein the data acquisition module is used for acquiring data of the electric propulsion system and the load simulation system, the data acquired by the data acquisition module are sent to a data comparator, the data comparator compares the data of the data acquisition module with the data of a database. According to the system, a load frequency converter is used for controlling the operation of aload motor, so that torque which is the same as an actual shaft load torque of a propulsion motor is generated, multiple sets of load simulation are carried out at the same time, the common functionof the load simulation system is correct, the work is stable, the data acquisition period can reach 50 ms, torque control precision is 0.4% or within, control structure is simple, simulation parameters are convenient to set, system torque response is fast, control precision is high, and the problem of low control precision of data such as the rotating speed and the torque of an existing propellerload simulation system is solved.

Description

technical field [0001] The invention relates to the technical field of ship simulation, in particular to a propeller load simulation system of a ship electric propulsion system. Background technique [0002] In recent years, with the rapid development of power semiconductor technology, frequency conversion speed regulation technology and microcomputer control technology, ship electric propulsion technology has been widely used. As a progressive propulsion method, electric propulsion has become a new development direction of modern ship propulsion methods at home and abroad due to its many advantages. The propeller plays an important role in the electric propulsion system as a propeller. Therefore, it is very important to study the propeller load characteristics for a deep understanding of the electric propulsion system. The existing propeller load simulation system has low control accuracy of data such as speed and torque. Therefore, we propose a propeller load simulation ...

Claims

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Application Information

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IPC IPC(8): B63B9/00G05B19/05
CPCG05B19/054B63B71/00
Inventor 雷林张敏孙勇敢丁明泽刘绪洋
Owner CHONGQING JIAOTONG UNIVERSITY
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