航行計程器 的英文怎麼說
中文拼音 [hánghángjìchéngqì]
航行計程器
英文
aerolog- 航 : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
- 行 : 行Ⅰ名詞1 (行列) line; row 2 (排行) seniority among brothers and sisters:你行幾? 我行三。where...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 航行 : 1 (水中行駛) navigate by water; seaway; sail 2 (空中行駛) navigate by air; fly 3 voyage; 航行...
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The paper recites the development, current situation of the ship maneuvering simulator and advantage of the ship maneuvering simulator to demonstrate the designs of harbor and fairway, mainly analyzes the application prospect of the ship maneuvering simulator for the demonstration of the designs of harbor and fairway, which points out a direction for the application of our country " s ship maneuvering simulator. on top of it, author combining a material application example " simulation for assessing the navigation capacity of sutong changjiang road bridge " that author took part in to simulate personally, depicts the whole steps about applying the ship maneuvering simulator to demonstrate the designs of harbor and fairway, which proves the great advantage of the ship maneuvering simulator for the demonstration of the designs of harbor and fairway, then discusses the steps and ways about applying the ship maneuvering simulator to demonstrate the designs of harbor and fairway
本文從船舶操縱模擬器的發展、應用現狀著手,依託船舶操縱模擬器在港航設計論證上的應用優勢,重點論述了船舶操縱模擬器在我國港航設計論證上的應用前景,為我國的船舶操縱模擬器的應用研究指明了方向;緊接著結合作者參加的具體的港航論證項目「蘇通長江公路大橋船舶通航論證模擬」 ,敘述了運用船舶操縱模擬器進行港航設計論證的整個具體流程,用實例證明了運用船舶操縱模擬器進行港航設計論證的巨大優勢;在此基礎上,探討了運用船舶操縱模擬器進行港航設計論證的具體步驟與方法。To sum up, the thesis mainly anaylses the performance of the aviation retarder spiral bevel gear in meshing, which results provide experiment for the design and improvement of the spiral bevel gear
總之,本文主要對航空減速器螺旋錐齒輪嚙合過程中的齒輪的嚙合性能進行了分析研究,所得結論為螺旋錐齒輪副的設計和改進提供依據。Nonlinear model based predictive control ( nmpc ) not only is a valuable approach for solving practical control problems, but also is the frontier of nonlinear control theory. the perceptible successes of mpc strategies can be attributed to several factors including its inherent ability to handle input and output constraints, time delay and incorporation of an explicit model of the plant into the optimization problem. this dissertation discusses two kinds of nonlinearity ( or nonlinear system )
本文沿著理論研究與工程實際相結合的設計思路,較為系統和全面的研究了非線性模型預測控制理論,提出改進新演算法;探討了非線性模型預測控制理論在自主水下航行器控制系統設計中的應用,豐富和發展了模型預測控制理論,本論文的主要工作及意義有以下幾個方面: 1 )從工程應用的角度研究有限域無終端約束廣義預測控制穩定性充分條件,為有約束廣義預測控制穩定性研究奠定了基礎。The program are compiled in matlab language. the program include inertial device ideal simulation block > inertial device error simulator block, strapdown inertial navigation calculator block, doppler calculator block, kalman block and so on. the different block can be used for inertial navigation simulation, doppler simulation and so on
用matlab語言編寫了水下航行器導航系統的模擬程序,這個程序包括:慣性器件輸出理想值模擬模塊、慣性器件誤差模擬模塊、捷聯慣導計算模塊、多普勒導航計算模塊、卡爾曼濾波模塊,可根據不同的需要進行純慣導狀態模擬、多普勒導航模擬、組合導航模擬。A general stack equation of mobile robot based on analyzing the motion of planar motion object and the mathematical models of four different kinds of common wheels is developed, accordingly, the mobility of mobile robot is addressed and the forward and inverse solutions to speed for specific configuration driven by differential speed are derived. utilizing the muir and newman convention, the description of the posture transformation matrices between different coordinate frames and the solution for the speed of point located on these frames are introduced. according to posture estimation, a more accurate method, dead reckoning algorithm, is developed for a specified configuration characterized by differential speed motorization, and simulations of this algorithm and other traditional methods are carried out using matlab while traversing a circular path
本文對兩輪差速驅動移動機器人的運動學及其本體緩沖設計進行了探討,在對平面運動物體運動分析的基礎上結合四種常用車輪的數學模型,推導出了一個通用的移動機器人堆積方程,在此基礎上分析了移動機器人的移動能力、並針對兩輪差速構型推導了速度正解與逆解;使用muir和newman的運動學建模方法,推導了移動機器人上點及連桿坐標系位姿、速度變換關系矩陣及求解方法;在移動機器人位姿識別方法中結合差速驅動構型對航位推演算法進行了分析:推導了一種理論精度較高的航位推算演算法,並使用matlab對其與傳統的推算演算法在跟蹤圓弧軌跡情況下進行了模擬;最後針對本文所研究的機器人給出了一種比較系統、可靠的緩沖結構設計思路,較好地解決了移動機器人作業過程中外界因素及本身設計中引入的各種不確定誤差問題;本論文研究成果已在本實驗室所開發的樣機上得到實現,經過應用與考核證明其中的分析與設計是切實可行的。Site experiment were carried out on the testing vehicle for ahs and the magnetic markers road in national intelligent transport system center. also, study on multi - sensor information fusion and control model by using neural net system, fuzzy logic and genetic algorithm were carried out. the work completed are as follows mainly : ( 1 ) hardware system for lane keeping system including magnetic marker, magnetic sensor, control system and executor machine were designed
本文以國家智能運輸系統研究中心的自動公路系統試驗車和專用的磁軌釘道路為工作平臺,在大量的現場實驗基礎上,針對基於磁軌釘導航的車輛車道保持技術中的若干問題展開研究,運用神經網路、模糊邏輯、遺傳演算法等方法在多傳感器信息融合、控制模型等方面進行了系統的研究,主要完成了以下幾方面的工作: ( 1 )對車道保持系統硬體平臺進行了設計,論述了導航設施? ?磁軌釘的設計過程和車載工控機、步進電機等的選擇。Abstract : the attitude error performance of electrostatic gyro should be understood and the relevant error equations must be set up in order to ensure the navigation precision of esgm. the relation between the navigation errors and the attitude errors of gyro was derived by use of spherical triangle. the simulation results show that the temporal performances of the longitudinal and distance errors which come from the initial alignment errors are periodically variational. they also show that the longitudinal and distance errors resulted from gyro drifts are not convergent in time. thus, the effects of initial alignment errors and gyro drifts can not be neglected and must be estimated and compensated
文摘:為了保證靜電監控器的導航定位精度,需要了解靜電陀螺的姿態誤差特性,建立相應的誤差方程.本文採用球面三角形原理推導了導航定位誤差與陀螺姿態誤差的關系式.模擬結果表明,由初始定向誤差引起的經度誤差和距離誤差的時間特性是周期變化的;由陀螺漂移引起的經度誤差和距離誤差是隨時間發散的.因此,初始定向誤差和陀螺漂移的影響不能忽略,必須對其進行估計和補償The content of the thesis include many scientific fields, such as nautical mathematics, apparatus, ship navigate, communication, artificial intelligence, computer graphic, graphic management and so on. the function of route planning and advanced navigation in the system is based on electronic nautical chart. it bring forward the grid model in route planning, during the course of route planning, it provide ways to settle all kinds of instance ; it figures out the best head bearing of the ship with the real time transfer data from navigation apparatus to the system, accomplish the advanced navigation function in ecdis
該系統是在電子海圖基礎平臺上來完成航線設計和最優航法功能的,提出了在電子海圖中利用網格模型來進行航線設計的方法,在求取最優航線的過程中,全面綜合地考慮了各種可能出現的情況,並逐一解決;最優航行方法中採用實時獲取船舶導航儀器傳入到系統中的數據,並根據這些數據進行計算,給出船舶當前最佳船艏向,實現基於電子海圖顯示與信息系統的最優航法。As the requirements of its function, a bus control interface board has already been designed. also the paper have provided the scenarios demonstration for the bus control interface board ( bcib ), the design for the protocol of communication, the hardware for bcib, the software for bcib, and the software for the processor ' s communication. while the analysis for the capability of real - time and the calibration and test for subsystem have been also finished. during the design, the system advanced ability, reliability, resources availability and the cost - efficency ratio are considered. the issus such as system integrated control, mutual exclusion of the shared storages, generation of handshaking signal and system self - test were resolved
本論文主要對航空自衛系統的綜合化方式進行了深入研究,並按其功能等方面要求,對航空自衛系統綜合化總線通信模塊進行了設計,主要完成了總線通信模塊方案論證、通訊協議設計、總線通信模塊硬體設計、總線通信模塊( bcib )軟體設計、處理機通信軟體設計、實時性分析、系統調試、試驗等項工作,在設計過程中,綜合考慮了系統先進性、資源利用率、費效比及可靠性等因素;重點解決了系統綜合控制方式、共享存儲器互斥、握手信號產生及系統自檢測等問題。Secondly, towed system is considered as many rigid body systems. according to research approaches of many rigid body systematic dynamics, the towed systematic engagement calculating models is derived ; according to actual course of the towed flight, deriving mathematics model of the course of taking off and towed flight of the towing plane and of carrier rocket, and corresponding parameter calculate models
其次將牽引系統作為多剛體系統宋考慮,根據多剛體系統動力學研究方法,建立牽引系統約束方程,由此推導出約束力計算公式;根據牽引飛行實際過程,推導出載機、運載器在起飛階段,巡航飛行階段的數學模型,以及相應的參數計算模型。In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models
本文對基於電動力纜繩的航天器離軌過程進行了深入研究,具體工作如下:首先,本文研究了電動力纜繩產生電動力拉力的基本原理,建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下,對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能量的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下,對受電動力纜繩作用的航天器的離軌過程進行模擬,分析了在不同精度地磁場模型下,航天器離軌過程中各軌道參數的變化情況,並比較了不同模型對離軌時間的影響。In the thesis the low drag - low noise optimization of the vehicle main form design is realized, main accomplishments are as follows. researched the knowledge of drag and flow noise, the parameters of the boundary layer are calculated by the hess - smith method and boundary layer momentum integral method. the calculation of the length of transition zone and change in boundary layer displacement thickness between laminar and turbulent states in the transition is improved, then the drag coefficient and self - noise from the transition zone are calculated as the objective functions of the optimization
主要研究內容和成果如下:對航行器繞流流場進行分析,深入研究了阻力和流噪聲產生機理,建立了阻力系數和自噪聲的評估數值計算模型;採用物面分佈源匯法和邊界層動量積分法對繞流流場的流體動力參數進行計算,改進了轉捩區長度和邊界層位移厚度的計算,應用於航行器頭部駐點自噪聲的計算;最後設計了阻力系數和自噪聲數值計算程序模塊。As the traditional navigation system ca n ' t satisfy the requirements of the autonomous underwater vehicles ( auv ) navigation and position. we study a depthometer - doppler - aided strapdown inertial navigation system ( ddsins ) in combination of the developments of periodic navigation technique and some practical problem posed by the mathematical and variation of output data of doppler, furthermore, the digital simulation and semiphysica test are made to verify the validity of the algorithm, the main research work are as follows : design of the strapdown inertial navigation system of auv
由於傳統的導航系統很難滿足遠程水下航行器精確導航、定位的要求,本文在充分考慮使用特殊性的情況下,結合國內、外導航技術發展的實際狀況和發展方向,研究了水下航行器組合導航系統的誤差,重點解決了因多普勒輸出數據周期長和周期時變而給導航計算和濾波器設計帶來的問題,並進行了模擬和實物測試,模擬和實物測試結果表明本文所研究的設計方案合理,可以達到某型水下航行器導航、定位需要的精度。Based on apdl, the design language of finite element analysis software ansys, and visual c + +, the software on acoustics design of underwater cylindrical shell structure is developed. when input parameter of the cylindrical shell in the interface redeveloped in this paper, the software execute the batch file of apdl in the vc process to establish the finite element modal and carry out the analysis, the analysis result and the vibration mode can also be displayed. furthermore, the software has been developed to process the acoustics optimization design of the finite cylindrical shell with stiffener in appointed frequency range
本論文從便於工程實際應用出發,對使用有限元分析軟體進行二次開發以方便結構振動分析及改進結構設計的方法和過程進行了研究,在此基礎上對水下航行器圓柱殼體的結構聲學特性進行了分析,在指定頻率區間,對結構以振動輻射聲功率級為目標函數進行了部分參數的結構優化設計,與此同時,為了方便有限元分析軟體的使用和簡化設計過程中大量重復的工作,利用ansys提供的參數化設計語言apdl ( ansysparametricdesignlanguage )結合vc對有限元軟體ansys進行了二次開發,形成了一體化的水下圓柱殼體結構聲學設計軟體。The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system
如航跡產生器的設計,該航跡產生器是研究組合導航問題的前提,從國外一些研究組合導航系統的文獻中可以看出,設計這樣一個航跡產生器是非常必要的,所以本文自行設計了這樣一個系統;還討論了捷聯慣性導航系統中捷聯解算的方法,並進行了模擬研究,由於在本文設計的閉環反饋式組合導航系統中,對捷聯慣導系統的平臺誤差進行閉環控制,需要將濾波器輸出的校正量反饋到捷聯解算內部,所以必須對捷聯解算進行深入的研究和分析,更何況捷聯解算問題本身也是導航界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始,逐步進行gps軌道及其星座模擬,這樣的設計方法對從事衛星導航的研究工作是有價值的;還對組合導航中誤差建模方法進行了研究,綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法,並運用實際研究工作中的測量數據對該方法進行了驗證。On the base of the active sonar theory, this thesis delves into the critical technical of how to design detecting sonar system of under water vehicle, and completely discusses the idea of system designing, the construction of hardware, the problem solution of critical technical and experiment result analysis
本論文基於主動聲納的基本原理,深入研究了水下航行器的探測聲納系統設計過程所涉及的關鍵技術,結合探測聲納的研製工作,全面論述了系統的設計思想、硬體構成、關鍵技術問題的解決和實驗結果的分析。This paper designs the vdr system with the structure of main module of embedded computer. the system develops three applications with vc ; there are the main control system, the last storage system and the review of the shipping information
論文設計了以嵌入式工業微機為主體模塊式結構的vdr系統,採用vc開發了主控制器程序、最終存儲器程序及航行信息的回放程序。5 ) the paper established the void movement equation group of the auv, and prepared for control - system design
摘要5 )本文建立了水下航行器空間運動方程組,為控制系統設計奠定了重要的基礎。This paper conducts simulation experimental research on channel navigation area using large - scale ships operation simulator, including the ships ' danger under different wind, wave and flow conditions and safety appraisal result, time needed for entering and leaving port, and recommends the reasonable width of waterway, so as to provide reliable basis for engineering structural design and working - out of ships - operation regulations
摘要利用大型船舶操縱模擬器對航道航行水域進行模擬試驗研究,包括不同風、浪、流等環境下操船危險度及安全評價結果,進、出港所需時間,並推薦航道的合理寬度,為工程結構設計和操船規程的制定提供可靠依據。" 211 " autonomous underwater vehicle ( auv ) was developed by college of marine engineering of northwestern polytechnic university. this paper provides an overview of " 211 " auv and its control and navigation performance
本文以「 211 」工程項目、西北工業大學航海工程學院設計製造的小型智能水下航行器為平臺,設計了其自動導航與控制系統。分享友人