propeller control 中文意思是什麼
propeller control
解釋
螺旋槳的變距操縱-
In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane
本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題，具體成果和創新點如下1 、根據流體力學理論，建立了螺旋槳推進器的動態模型，它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量，以電機施加轉矩為輸入，螺旋槳推力t和轉矩q為輸出。 -
For piston-engine-propeller system, the usual fixed-control case implies fixed throttle and constant rpm.
對于活塞式發動機推進系統，通常固定操縱情況是指固定油門和轉速不變的情況。 -
The second chapter studies the economy of ship ' s power plants, based on the aspects of lowering fuel cost, waste heat recovery, the match of ship, machinery and propeller, increasing propulsion efficiency, increasing the economy of ship ' s power plants, etc. the third chapter discusses in detail the control measures of voyage change cost, analysizes systematically the voyage change cost based on the way of fuel cost, harbor cost, voyage venture cost. the fourth chapter studies the structures and control measures of seafarers cost, maintenance cost, spare parts and stores cost, lubricating oil cost, etc. which are relatively easy to be controlled ; based on the state maintenance decision - making, a mathematical model is put forward, the validity and its solve process are discussed. the control measures of spare parts, fuel cost and lubricating oil cost should be based on scientific budget, through the control means of application, reception, usage, store check, try to acquire the inosculation of theory
第一章主要討論營運船舶運輸成本，對船舶運輸成本的概念、結構、性質與分攤、成本細分進行了分析，從宏觀上闡明了船舶運輸成本的生存環境和生長趨勢；第二章研究了船舶動力裝置的經濟性，在營運船舶降低油耗、廢熱利用、船機槳匹配、提高推進效率、提高船舶動力裝置經濟性的有效途徑等方面進行了闡述和論證；第三章詳細論述並論證了航次變動成本的控制措施，全面系統地分析和總結了航次變動成本，通過對燃油成本、港口使費、航次風險成本的分析與控制，提出了航次風險成本的概念並論述了若干航次風險成本的控制措施；第四章對船舶營運成本中的船員費用控制、維修保養及其費用控制、船舶備件物料管理及其費用控制等幾個主要可控性較高的成本進行了細致的分析並分別討論了相互的控制措施，提出了基於狀態維修決策的馬爾可夫數學模型並論證了模型的正確性及具體解算步驟，對于備件、燃潤物料的控制堅持以科學的預算為前提，以申領、接收、使用、盤存為控制環節，切實做到理論與實踐的密切結合；第五章，結合營運成本的預核算的案例，對船舶營運成本的預算及核算進行了有益的探討，旨在揭示成本發生的動因，並給出了成本預算、核算的編制方法。 -
The methods will not only make a key tool for noise prediction, but also play a role for noise control of the propeller in engineering project
整個方法對船舶螺旋槳噪聲預報提供了工具，對螺旋槳的噪聲控制及低噪聲設計也有重要的工程價值。 -
Mainly, the type of pump in the large - scale irrigation and drainage pumping station in our country is adjustable - blade propeller pump. we can regulate the pump ' s blade mounting angle following the variation of water level at the inlet and outlet of the station in order to control the discharge of pump, we also determine the number of running machines with machine ' s optimal combination. so we can reduce its energy consumption, and make it optimally and economically run
我國大部分大型電力排灌站所安裝的泵都為可調節葉片的軸流泵，這一有利條件使我們可以根據排灌站進、出口水位的變化來調節水泵的葉片角度，控制水泵的流量，併合理的確定開機臺數，通過機組間的優化組合，使整個泵站的能耗最少，達到整體最優、經濟運行的目的。 -
A part or surface, such as a wing, propeller blade, or rudder, whose shape and orientation control stability, direction, lift, thrust, or propulsion
翼剖面；機翼；翼面一個部件或平面，如機翼、螺旋槳葉、方向舵等，其形狀或方位控制穩定性、方向、抬升、沖擊或驅動 -
Diesel engine, main turbine, generator turbine, main boiler, diesel generators, deck crane, deck machineries, propeller, controllable pitch propeller, switchboard, engine control console, fire extinguishing system, inert gas system, aux. boiler, oil purifier, navigation equipment, life boat, anti rolling system, hatch cover, compressor, fin stabilizers, valves, anchor, chain and scaffolding, control system for lng carrier and various machinery for lng carrier
主機柴油機，液化氣船主機透平鍋爐貨油泵，機艙泵，發電機，甲板吊機，甲板機械，螺施槳， cpp ，配電盤，主機遙控，消防沒備， igs ，輔鍋爐，分油機，航海儀器，救身艇，減搖裝置，艙口蓋，空壓機，減搖鰭，閥門，錨，錨鏈，船舶腳手架，液化氣船控制系統，液化氣船用各種沒備 -
A cascaded architecture is adopted, where desired propeller rate of revolution is generated by solving a static 2nd order equation with a parameter of desired thrust force, which is the input of the speed / position tracking control
在推進器動態模型的基礎上，採用滑模控制的方法，由速度位置誤差獲得期望推力，再通過求解包括來流速度的二次方程得到期望螺旋槳轉速。 -
The control algorithms of both traditional and intelligent main - engine speed regulator are emphatically discussed in the thesis. the author established an simplified integrated mathematical model for marine main diesel engine, screw propeller and axis series with the mother type of large low speed diesel man b & w. the digital simulations for pi speed regulator are completed
本文討論了主機速度控制的兩種實現方法；論文以實船應用的manb & w大型低速柴油機為母型，建立了柴油主機、螺旋槳、軸系一體化的簡化數學模型，並對常規柴油主機pi調速系統進行了數字模擬。 -
To avoid or reduce these trouble induced by the unsteady cavitation, the theoretical design method for propeller and the blade section with the good cavitation performance are adopted to enlarge the cavitation bucket width and control the range and type of the cavitation on the blade. this enables propeller to operate in the non - uniform ship wake rather well
為了避免或減緩空泡帶來的危害，採用螺旋槳理論設計方法和空泡性能優良的槳葉剖面來增加空泡斗寬度和控制槳葉空泡范圍及空泡類型，以適應非均勻流場中螺旋槳工作的需要。 -
In the first part, firstly, the main dimensions of oar blade and propeller boss and other parameter of varivec propeller are selected. then, a suit of viable mechanism to control the work state of varivec propeller is designed, which is different from the mechanism designed by the japanese. it ' s principle is similar with the cycloid propeller
在機構設計部分，本文首先確定了全方位推進器的槳葉及槳轂的主尺度以及其他的相關的參數，然後設計出一套可行的與擺線推進器工作原理相仿的調距機構用來對全方位推進器的工作狀態進行控制，該機構與日本的全方向推進器的連桿圓盤機構完全不同。 -
Pitch control system of controllable pitch propeller based on single - chip microcomputer
基於單片機技術的調距槳螺距控制系統 -
Active control of propeller induced aircraft cabin noise
螺槳飛機艙內噪聲的主動控制 -
General technical requirements of electric remote control device for main propeller of diesel engine for inland - waterways vessels
內河船舶柴油機推進系統電動遙控裝置技術要求
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