波浪控制 的英文怎麼說
中文拼音 [bōlàngkòngzhì]
波浪控制
英文
wave control- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 浪 : Ⅰ名詞1 (波浪)wave; swell; billow; breaker 2 (像波浪起伏的東西) things undulating like waves 3...
- 控 : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
- 制 : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
- 波浪 : wave
- 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
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Our products cover several tens of varieties such as xylophone series, glockenspiel series, drum series ( bongo drum, conga drum, hall drum, tambourim drum, waist drum, floor tom drum, wave drum, tambourine, frame drum, rattle drum ), maraca, egg shaker, headless tambourine, sand block, shaker, castanet, finger castanet, block series, wooden agogo, clave, triangle, hand bell, sleigh bells, wooden fish, guiro, cabasa, finger cymbal and so on ; to improve craftwork level, our products design aims the requirements from clients and the innovation in varieties ; to satisfy the clients ' requirements on various grades and various batch scales, our manufacture introduces advanced manufacturing process to control the procedure more rationally and guard the products quality more strictly ; to build a popular brand in market, we perseveres in a long term effort on service including that after sale and digs more latent clients ' requirements
本廠的產品涵蓋打擊琴類(木琴、鐘琴、兒童彩琴) 、鼓類(邦戈鼓、康加鼓、堂鼓、桑巴鼓、腰鼓、地鼓、印地安嗵嗵鼓、海鼓、鈴鼓、手鼓、波浪鼓) 、砂球、砂蛋、鈴圈、砂板、砂筒、響板、舞板、梆子、響筒、響棒、三角鐘、碰鐘、響鈴、木魚、魚蛙、卡巴薩、指鑔等數十個品種;本廠的產品設計立足於滿足客戶需求,不斷創新,追求工藝品質;產品生產嚴把質量關,採取柔性製造工藝,合理控制生產流程,可以滿足客戶不同檔次規格和不同批量規模的產品需求;本廠注重產品的銷售及售後跟蹤服務,深度挖掘客戶潛在需求,力爭樹立優質、完整的市場品牌形象。Secondly, a mathematical model suitable to large coastal region is developed, whose governing equations are deduced from the mild slope equation with dissipation terms and discretized with crank - nicolson scheme. this model is accurate and easy to be applied
其次,將包含底摩阻耗散項的緩坡方程化為等價的控制方程組,採用crank - nicolson格式離散方程組,建立了適宜於大范圍水域內波浪傳播的數學模型。Because the relationship between the lift on the fin and the fin angle is gotten by the static hydrodynamic experiment, which has great error, especially dynamic hydrodynamic experiment, the control torque gotten by the experiment can not counteract the wave torque well and the stabilization result is not perfect
而鰭的水動力試驗存在著很大的誤差,特別是在動態條件下,鰭的水動力特性測試更困難,所以這種通過計算求得控制力矩的方法產生的鰭升力無法很好地抵消波浪力矩,因而影響了減搖效果。According to the test platform, the monitoring control system based on computers is designed, which can output voltage signals of rolling moment and swaying force that regular wave and irregular wave press on ships
針對試驗臺架設計了以微機為中心的監督控制系統,該系統可以實時輸出代表規則波和不規則波海浪作用於船舶的橫搖力矩和橫蕩力的電壓信號。Big error exists in the hydrodynamic experiment, especially on dynamic state ; it is more difficult to test the hydrodynamic property of fin stabilizer. so the lift comes from this kind of control method ca n ' t counteract the wave torque perfectly, thereby affecting the stabilizer ' s function
由於鰭的水動力試驗有很大的誤差,特別是在動態條件下鰭的水動力特性測試更是困難,所以這種控制方法產生的鰭升力不能很好地抵消波浪力矩,從而影響了減搖效果。From this thesis, it can be stated that the use of observation implement and active cable can produce timely active control to ship in the wave. because active cable can enhance ship ' s ability of anti - siamming but do n ' t affect ship ' s inward capability, it should be given some attention in the application research of active control method in ship structure vibration by slamming
從本文中可以看出,將觀測器和作動器相結合可以對航行於波浪中的船舶結構振動實施適時的主動控制,並且裝上作動器不但不會影響船體本來的性能,而且可以增加其抗波浪砰擊能力,因此主動控制方法在船舶結構砰擊響應控制方面的應用和研究應該給予一定的重視。There is nearly no research on using active control method to reduce ship structural vibration stirred by slamming. this thesis studied theoretically on active cable and active tuned mass damper which were designed on the base of lqr theory. then the thesis studied concretely on the validity of active cable by an example
本論文對船舶結構波浪砰擊響應的主動控制方法進行了研究,主要對基於線性二次型最優控制原理設計出來的主動纜作動器和主動式調諧阻尼器兩種控制器做了理論原理和作動器構成上的探討,並進一步研究了主動纜作動器運用於船舶因波浪砰擊引起的結構振動控制的有效性。Based on the ship course control system, h wave filter using the linear wave model is designed and simulated through three aspects
3我們以船舶航向控制系統為基礎,採用線性海浪模型設計了一個h _海浪濾波器,並分三種情況對該濾波器進行了詳細的模擬。Then a simplified computational modal of damping isolation systems is established for a platform structure, and the relationships between the parameters of isolation layer and structural damping ratio, including their vibration - suppressed effect on the whole structure and the relative displacement of isolation layer are studied, and the simulation analysis under several representative load case of random wave force and earthquake affairs is performed. under random wave force, using complex mode theories, non - classically damp problems considering the interaction between the structure and wave, lying in deepwater, are studied. and the resolution solution of structural response are achieved. the results of calculating and analysing show that adding damping isolation to a jacket is an effective way to reduce vibration for offshore platforms
針對某一典型平臺結構,建立了海洋平臺結構阻尼隔振體系簡化計算模型,進行了波浪荷載工況和地震工況的數值模擬,研究了隔振參數與結構阻尼比的關系以及它們對結構整體和隔振層層間相對位移的控制效果,運用復模態理論研究了位於較深水位的固定式導管架海洋平臺在隨機波浪力作用下考慮結構與波浪相互作用時運動方程中非經典阻尼的解耦問題,獲得了結構響應的解析解。We have made a full theoretical analysis of the wave property and the wave parameters of the flap - type wave generator in the towing tank of our school, and confirmed that should make the factor that the performance of the wave generator give play to normally to influence. in allusion to that the old wave generator can not simulate sea wave, upgrade and transform to this system change the control computer system and install additional d / a change card, redesign the wave control interface and transmission means of control signal, give up the disk machine that can not be used, make the wave - making control voltage signal that has translated direct input the wave controller, make wave controller to make waves through servo system
對我校船模水池原有的搖板式造波系統的性能進行了理論分析,針對水池原有造波機系統模擬海浪的不足,對該系統進行升級與改造,更換了主控計算機並加裝d a轉換卡,重新設計了造波控制信號的介面與傳輸方式,捨去了原系統中現已淘汰的磁盤機,使轉換后的造波控制電壓信號直接輸入到造波控制器中,再由造波控制器通過液壓伺服系統驅動造波板進行造波。The chip is mainly applied to the portable electronic products with the following features : 2. 7v to 5. 5v input voltage range ; the 1mhz fixed frequency ; - 40 to + 85 operating temperature ; two digital inputs control on / off and select amongst three levels of brightness ; thermal shutdown and under voltage shutdown protection, low 0. 1 a shutdown current ; soft - start limits inrush current
該晶元主要應用於便攜式電子產品,其輸入電壓范圍為2 . 7 5 . 5v ,工作頻率為固定的1mhz ,可大幅度降低輸入紋波和emi輻射,工作溫度范圍為- 40 + 85 ,可使用外部使能控制信號調節led亮度及控制晶元關斷與否,具有過溫保護和輸入欠壓關斷保護功能,完全關斷模式下關斷電流可低至0 . 1 a ,具有軟啟動功能以限制啟動時的浪涌電流。In this paper, the physical experiment and numerical simulation based on the volume of fluid ( vof ) method to solve turbulent governing equations in the numerical wave tank are conducted to investigate the interaction between surface waves and sandbars on the seabed
本論文通過物理模型試驗和基於vof方法求解湍流控制方程所建立的數值波浪水槽模型,對波浪與海底沙壩地形之間的相互作用進行了研究。The sliding mode controller with the line - of - sight ( los ) guidance is adopted for the rudder control to steer the ship in waves with the functions of track keeping and roll reduction, in which the design parameters are optimized from genetic algorithm
配合los導引的滑動模式控制器是以操舵控制的方式,使船隻在波浪中的航跡能維持在既定航線並降低橫搖量,而控制器的設計參數是以基因演演算法來求得最佳化。Besides, pid control algorithm is introduced and the velocity closed - loop controller is designed on the basis of dynamic model for the train. furthermore, according to kunming world ' s fair route data, the ato system with pid controller is simulated. it shows some disadvantages, and so the predictive control algorithm is brought forward to realize velocity closed - loop control
在已有的列車運動模型基礎上,採用pid控制演算法,設計了列車的速度閉環控制器,結合昆明線線路數據,進行了基於pid控制器的ato系統模擬分析,發現採用pid控制器控制時,列車運行曲線呈波浪形,當遇到坡道或者外界干擾時速度和加速度曲線會出現尖峰現象。A nonlinear numerical model for wave transformation is established in time domain based on integral equation transformed from two dimensional laplace equation. then the model is applied to compute the linear wave and nonlinear wave deformation in offshore flow field. a new 0 - 1 combined bem ( boundary element method ) is adopted in this thesis to avoid computational errors accumulated with time steps
本文以波動勢函數的laplace方程的green積分轉換得到的邊界積分方程為基本控制方程,建立了一種新的時域內波浪變形計算的數值模型,籍此對非線性波浪在結構物周圍的波浪形態進行了數值模擬,並通過數值造波水槽內的波浪試驗對數值模擬結果進行檢驗。In the last part, nmpc studied above are applied to auv ' s station keeping in a shallow waterwave environment
應用模型預測控制,解決水下航行器有波浪干擾環境下的位置保持問題。The 3 - probe array method for active re - reflection absorption inwave flume was developed by canadian hydraulic centre recently
三傳感器波浪水槽二次反射主動吸收方法是加拿大科學院水力中心最近開發的一種水槽反射波控制技術。In the ship motion control, the heading angle of ship is affected badly by the wave disturbance. if the wave filter is applied, the high frequency effect of the wave disturbance can be reduced greatly and the control performance can be improved
在船舶運動控制中,海浪干擾對船舶的航向輸出具有很大的影響,而運用海浪濾波器可以有效的消除海浪干擾,提高船舶的控製品質。Abstract : a numerical model for wave propagation in water of varying topography and current is proposed, and time - dependent wave mild - slope equation with a dissipation term and corresponding equivalent governing equations are presented. two different expressions of parabolic approximations for the case of the absence of current are also given and analyzed. examples of numerical simulation for wave transformation in large estuarine water areas are provided
文摘:提出了水深與流場緩變水域波浪傳播數學模型水流中依賴時間變量並考慮能耗的波浪「緩坡方程」及其等價的控制方程組,分析比較了無水流情況此理論模型與其相應的兩種拋物型近似的差別,提供了長江口波浪變形數值模擬計算工程實例.實例表明,該模型能適應河口三角洲大范圍水域波浪傳播數值計算Inspection and preventation control of plate undee distortion after welding
板材焊后波浪變形的檢驗及預防控制分享友人