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舰船模型试验系统的设计

发布时间:2022-08-17 来源:http://www.quanyimoxing.com/

近年来,大规模或全尺寸的自推进仿真引起了人们广泛的兴趣。然而,这些数值模拟往往缺乏物理试验的验证。因此,可靠和有效的大规模或全尺寸模型试验显得尤为重要。因此,自然环境下的大型模型试验技术得到了足够的重视和显着的发展。大型舰船模型试验主要包括三个方面:螺旋桨的结构载荷与响应、波浪作用下的运动和推进性能。
In recent years, large-scale or full-scale self-propelled simulation has attracted extensive interest. However, these numerical simulations often lack the verification of physical experiments. Therefore, reliable and effective large-scale or full-scale model tests are particularly important. Therefore, the large-scale model test technology in the natural environment has received sufficient attention and significant development. The large-scale ship model test mainly includes three aspects: structural load and response of propeller, motion and propulsion performance under wave action.
舰船模型试验系统的设计是一个复杂的过程,是保证试验成功的关键。大型模型试验系统可分为控制系统、数据测量与采集系统和GPS/INS组合导航系统三部分。
The design of ship model test system is a complex process, and it is the key to ensure the success of the test. The large-scale model test system can be divided into three parts: control system, data measurement and acquisition system and GPS / INS integrated navigation system.
模型控制系统是舰船模型驱动的核心,主要包括上位机、从机、两个螺旋桨和舵机伺服电机。主机发出控制命令,使用Windows7操作系统,控制软件使用VisualBasic编写。
The model control system is the core of the ship model drive, mainly including the upper computer, the slave computer, the two propellers and the servo motor of the steering gear. The host sends out control commands, using Windows 7 operating system, and the control software is written in Visual Basic.
大型舰船模型
用户控制界面显示舵角、转数等各种参数,也可以通过控制界面输入参数来改变船模的运动。从机接收到上位机发出的指令,将其转换为实时信号,直接控制螺旋桨控制电机和方向舵控制电机。下位机读取伺服电机的状态数据,将其转换为数字信号反馈给上位机。
The user control interface displays various parameters such as rudder angle and rotation number, and can also input parameters through the control interface to change the motion of the ship model. The slave computer receives the instructions from the upper computer, converts them into real-time signals, and directly controls the propeller control motor and the rudder control motor. The lower computer reads the state data of the servo motor, converts it into a digital signal and feeds it back to the upper computer.
在本次试验中,自主研制了一台仪器来准确测量螺旋桨产生的推力和扭矩。一个32位通道的商业数据收集器被用来把测量的电信号转换成数字信号,然后传输到一台笔记本电脑上。采用动态信号分析软件对数据进行实时记录和分析。
In this test, we independently developed an instrument to accurately measure the thrust and torque generated by the propeller. A 32-bit channel commercial data collector is used to convert the measured electrical signals into digital signals, which are then transmitted to a notebook computer. The dynamic signal analysis software is used to record and analyze the data in real time.
该模型使用了非遥感控制。船上至少需要两名人员进行测试工作:一人负责驾驶,另一人负责数据收集。该数据测量与采集系统由三个加速度传感器、一台自行研制的仪器、一个数据采集器和一台笔记本电脑组成。测量的参数包括船体的垂直加速度、螺旋桨的推力和扭矩。采用加速度传感器测量船体的深沉运动,对加速度曲线进行二次积分,可以得到船体的升沉运动曲线。
The model uses non remote sensing control. At least two personnel are required on board to carry out the test: one is responsible for driving and the other is responsible for data collection. The data measurement and acquisition system consists of three acceleration sensors, a self-developed instrument, a data collector and a notebook computer. The measured parameters include the vertical acceleration of the hull, the thrust and torque of the propeller. The heave motion curve of the hull can be obtained by measuring the heave motion of the hull with an acceleration sensor and integrating the acceleration curve twice.
舰船模型试验系统的设计部分内容就讲解到这里了,如果您对此有兴趣了解更多相关事项,或者说您有定制大型模型的需求,可以随时来我们网站http://www.quanyimoxing.com进行咨询。
This is the end of the design of the ship model test system. If you are interested in learning more about this, or if you have a need to customize a large-scale model, you can come to our website at any time http://www.quanyimoxing.com Consult.
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