本文關(guān)鍵詞：類海蟒式波浪俘能裝置半物理實驗系統(tǒng)的研究　出處：《哈爾濱工業(yè)大學(xué)》2016年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 類海蟒式波浪俘能裝置 AQWA軟件 仿真平臺 半物理實驗系統(tǒng)

【摘要】：海洋是無盡的寶庫,其波浪中蘊(yùn)含著豐富的清潔可再生能源。海洋波浪發(fā)電技術(shù)就是通過各種各樣的俘能裝置,將蘊(yùn)含在波浪中的無法為人類直接利用的能量轉(zhuǎn)化成以電能為主的其他形式的能量。海蟒式波浪俘能裝置是其中一種重要的波浪能轉(zhuǎn)換裝置。研究設(shè)計類海蟒式波浪俘能裝置半物理實驗系統(tǒng),對研發(fā)該類型的波浪發(fā)電裝置具有重要意義。本文利用水動力學(xué)軟件AQWA對浮筒進(jìn)行了頻域和時域的建模,獲得了構(gòu)建俘能裝置動力學(xué)方程的浮筒水動力學(xué)參數(shù)。通過AQWA程序進(jìn)行了俘能系統(tǒng)(PTO)為線性阻尼以及庫倫力矩的對比仿真分析,得出有必要在仿真模型中加入真實的液壓系統(tǒng)。通過FORTRAN語言將俘能系統(tǒng)模型加入到AQWA仿真模型中,構(gòu)建了帶真實液壓系統(tǒng)的俘能裝置仿真模型,為后面實驗系統(tǒng)的檢驗提供了依據(jù)。并進(jìn)行了PTO為線性阻尼,庫倫力矩以及真實俘能系統(tǒng)的對比仿真,并對其運動特性以及俘能特性進(jìn)行了分析。針對海莽式波浪俘能裝置的運動特點以及工作特點進(jìn)行了半物理實驗系統(tǒng)總體設(shè)計。針對不同的浮筒特點確定了縮比尺系數(shù),拓寬了實驗系統(tǒng)的適用范圍。建立了ISIGHT-AQWA-MATLAB聯(lián)合仿真優(yōu)化模型,確定了俘能系統(tǒng)最優(yōu)設(shè)計參數(shù),并進(jìn)行了俘能液壓系統(tǒng)的選型。同時完成了半物理實驗系統(tǒng)俘能裝置動力學(xué)解算部分模型的搭建,并驗證了模型的正確性,同時驗證了半物理實驗系統(tǒng)的可行性。設(shè)計了實驗臺機(jī)械結(jié)構(gòu),并對關(guān)鍵結(jié)構(gòu)進(jìn)行校核檢驗。通過大量的俘能裝置仿真分析,設(shè)計了驅(qū)動液壓系統(tǒng)。建立了驅(qū)動液壓系統(tǒng)數(shù)學(xué)模型,并進(jìn)行了系統(tǒng)穩(wěn)定性分析,閉環(huán)剛度特性分析以及系統(tǒng)穩(wěn)態(tài)精度分析。針對負(fù)載可測的特性設(shè)計了前饋-PID復(fù)合控制器,其性能指標(biāo)達(dá)到系統(tǒng)要求。并搭建了半物理實驗系統(tǒng)仿真模型,與俘能裝置仿真模型進(jìn)行了對比仿真,結(jié)果表明所設(shè)計的半物理實驗系統(tǒng)可以達(dá)到模擬俘能裝置實際運動特性的效果。最后對半物理實驗臺進(jìn)行了性能實驗,驗證了實驗臺液壓驅(qū)動系統(tǒng)對給定信號的跟蹤性能,實驗表明實驗臺驅(qū)動液壓系統(tǒng)滿足相應(yīng)的性能指標(biāo)。進(jìn)而通過本半物理實驗臺進(jìn)行了10 m浮筒俘能裝置的原型實驗研究以及20 m浮筒俘能裝置模型實驗研究。通過和所搭建的仿真模型進(jìn)行對比分析,證明本實驗臺具有較好的性能,可以完成俘能裝置運動以及俘能的模擬,同時也通過實驗驗證了所搭建的仿真模型的正確。
[Abstract]:The ocean is the endless treasure, the wave contains rich clean and renewable energy. The ocean wave power device technology is through a variety of prisoners, contained in the waves can not directly use the human energy into electricity to other forms of energy. The sea wave energy collection device is a python type one a wave energy conversion device. Research and design of sea wave energy harvesting Python semi physical experiment system, has important significance to develop the type of wave power device. The water dynamics software of AQWA buoy is modeled in frequency domain and time domain, the construction of water harvesting device dynamics equation of kinetic parameters of buoy the AQWA program was carried out. Through the energy harvesting system (PTO) for the analysis of linear damping and Kulun moment simulation, it is necessary to join the real hydraulic system in the simulation model Through the FORTRAN language harvesting system model into AQWA simulation model, constructed with a real hydraulic system of the piezoelectric device simulation model, providing a basis for testing behind the experiment system. And the PTO linear damping torque and energy harvesting system Kulun real the simulation, and the motion characteristics and the piezoelectric properties were analyzed. According to the motion characteristics and work characteristics of sea wave energy harvesting device. The overall design of semi physical experiment system. According to the different characteristics of the buoy scale shrinkage coefficient, broadens the scope of the experimental system was established. Simulation and optimization model of ISIGHT-AQWA-MATLAB, the energy harvesting system the optimal design parameters, and the selection of hydraulic energy harvesting system. At the same time, semi physical experiment system to build energy harvesting device dynamics calculation model, and validate the model Right, as well as the feasibility of semi physical experiment system. The design of the experimental platform of mechanical structure, and check the inspection on the key structure. Through a large amount of energy harvesting device simulation, design of hydraulic drive system. The establishment of a dynamic mathematical model of the hydraulic system, and analyzes the system stability analysis, stiffness analysis of closed loop and the steady-state accuracy. According to the load characteristics of -PID composite feedforward controller design can be measured, the performance indicators have reached the requirements of the system. And set up the semi physical simulation system simulation model, and the energy harvesting device simulation model for simulation, results show that the semi physical experiment system design can achieve the simulation of energy harvesting device actual movement effect of the characteristics. Finally, the semi physical test bench performance experiments, verify the tracking performance of the system for a given signal experiment of hydraulic drive, the experiment shows. Test drive hydraulic system to meet the performance accordingly. Then through the semi physical test bench experiments were conducted to study the device model prototype experimental study of 10 m buoy harvesting device and 20 m energy harvesting buoys. By contrast with the simulation model, proved that the experimental platform has good performance, can be captured can simulate the movement and energy harvesting device, but also through the experiment to verify the simulation model built by the right.

【學(xué)位授予單位】：哈爾濱工業(yè)大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2016
【分類號】：P743.2
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本文編號：1370056