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  本文選題：風向風速 + 姿態(tài)信息�。� 參考：《大連海事大學》2014年碩士論文

【摘要】：風翼助航船舶需要根據(jù)風向風速調(diào)整風翼的迎風角,以達到最大的風能利用率,風翼助航船舶對風向風速的測量精度要求較高。目前,船舶上使用的風向風速儀一般是對于氣象因素的測量,風向風速測量精度要求不高。在風翼助航船舶中,傳統(tǒng)的風向風速測量儀無法達到要求。同時,在船舶航行過程中船舶會出現(xiàn)橫搖或縱傾,這又增加了準確測量風向風速的難度。本文對傳感器在運動情況下的風向風速測量進行研究。 本文通過云臺模擬船舶的運動,研究在不同的運動情況下對風向風速測量的影響。在搖擺速度和搖擺角度的干擾下,得到測量值并進行比較,尋找影響的規(guī)律。通過分析大量實驗數(shù)據(jù),進行曲線擬合,從而得到準確的風向風速。 采用A45超聲波傳感器進行風向風速的測量,風洞模擬自然風,云臺模擬船舶的搖擺,使用姿態(tài)儀測量此時傳感器的運動情況,采集在不同的運動情況下風向風速的測量值,進行分析,尋找風向風速準確測量的影響因素。采用BP神經(jīng)網(wǎng)絡對運動速度,姿態(tài)情況和測量結(jié)果進行曲線擬合,以達到準確測量風向風速的目的。 本文采用MSP430控制器進行姿態(tài)信息測量、云臺控制和測量數(shù)據(jù)采集。設計VB數(shù)據(jù)采集界面和編寫了上位機通信程序、進行風速風向數(shù)據(jù)采集。使用MATLAB對采集到的數(shù)據(jù)進行處理,進行修正,得到比較準確的風速風向值。經(jīng)由誤差補償后的測量值,可以滿足風翼助航船對風速風向精準度的應用要求。
[Abstract]:It is necessary to adjust the windward angle of the wind wing according to the wind direction and wind speed in order to achieve the maximum wind energy utilization. The measurement accuracy of the wind direction wind speed is higher than that of the wind wing ship. At present, the wind direction anemometer used on ships is generally for the measurement of meteorological factors, and the precision of wind direction and wind speed measurement is not high. The traditional wind direction and wind speed measuring instrument can not meet the requirement in the wind wing navigation ship. At the same time, roll or trim will occur in the course of ship navigation, which makes it more difficult to accurately measure wind direction and wind speed. In this paper, the measurement of wind direction and wind speed under moving condition is studied. In this paper, the influence of different motion on wind direction and wind speed measurement is studied by simulating ship motion. Under the disturbance of rocking velocity and rocking angle, the measured values are obtained and compared to find the law of influence. By analyzing a large number of experimental data, curve fitting is carried out to obtain accurate wind direction and wind speed. The A45 ultrasonic sensor is used to measure the wind direction and wind speed. The wind tunnel simulates the natural wind, the cloud head simulates the swaying of the ship, the attitude meter is used to measure the motion of the sensor at this time, and the wind direction wind speed is collected under different motion conditions. To find out the factors that affect the accurate measurement of wind direction and wind speed. In order to accurately measure wind direction and wind speed, BP neural network is used for curve fitting of motion velocity, attitude and measurement results. In this paper, MSP430 controller is used for attitude measurement, cloud head control and measurement data acquisition. VB data acquisition interface and PC communication program are designed to collect wind speed and wind direction data. MATLAB is used to process the collected data and correct them to get more accurate wind speed and wind direction. The measured values after error compensation can meet the application requirements of wind speed and wind direction accuracy.
【學位授予單位】：大連海事大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：U664.3;U661.3

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本文編號：1920019