運動和加速度 的英文怎麼說
中文拼音 [yùndònghéjiāsùdù]
運動和加速度
英文
motion and acceleration- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 速 : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 運動 : 運動[舊時用語] arrange things or get things done through pull
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And the deficiencies are pointed out in present researches, such as highway capacity, level - of - service, influence factor of road alignments, etc. from these, it has confirmed that the thesis should be studied from rational analysis, quantitative analysis of level - of - service, impact on capacity of road alignments, setting - up simulation model, etc. the high - accuracy gps dynamic data acquisition appearance is proposed to be used for the first time to carry on the experiment of overtaking on two - lane highways, and experiment scheme is designed according to the driver ' s perceive to judge each overtaking course. based on the experiment data, it can get two important parameters of acceptant gap ? the critical gap of overtakable time headway and returnable time headway through data processing, which can offer the strong support to the research of two - lane highway capacity with qualitative and quantitative analysis. besides, the experiment methods is provided to observe overtaking ratio and to measure the
研究中首次提出了運用高精度gps動態數據採集儀對雙車道公路上的超車行為進行觀測,設計了根據駕駛員感受度來衡量超車過程的實驗方案,並通過後期數據處理得到了超車過程中兩個重要的可接受間隙參數-可超車車頭時距和可回車車頭時距的臨界間隙值,為定性和定量分析雙車道公路通行能力提供有力的數據支持;同時,還提出了觀測超車率的實驗方法以及測量加速度干擾的實驗方案,統一了計算加速度干擾的時間統計間隔,為雙車道公路的服務水平量化研究奠定基礎;最後還簡單介紹了駕駛員問卷調查法和模擬程序中模型參數標定和驗證的數據採集方法。Using matlab and its add - ons simulink, through establishing simulation maths model, the paper integrates open chain vector equation ( describing motion restriction ), numerical value simulation ( computing velocity and displacement while given acceleration ) and matrix algebra, etc. to accomplish dynamic simulation for the robot and verifies the results for kinematics of the robot using analysis method, and it establishes foundation for following study for the robot such as kinetics, control, etc
利用matlab及其附加軟體simulink ,通過建立模擬數學模型,綜合開環矢量方程(描述運動約束) 、數值模擬(在加速度已知時計算速度和位移) 、以及矩陣代數等來完成機器人動態模擬,對所研究的機器人運動學分析結果進行驗證,結果基本一致,為機器人的后續研究,如動力學,控制等奠定基礎。According to the moving characteristics of tracklayer, when the vehicle is on ramp and the ground ' s vertical pressure is linear, the calculating formulas of relationship between the deviation of the instantaneous steering center, the position of vehicle ' s gravity, steering radius, moving velocity, moving acceleration, and vehicle ' s orientation, were obtained by the theory and method of vector analysis in mathematics and mechanics
摘要根據履帶式車輛的運動特點,運用數力學中矢量分析理論和方法,推導了接地比壓為線性分佈時履帶式車輛在斜坡上轉向時,瞬時轉向中心偏移量與車輛重心位置、轉向半徑、行進速度、加速度、車輛方位相互關系的計算公式。The main work includes : the kinematic properties of a planner 4 - bar linkage are researched deeply using the assur group theory. the displacement, velocity and acceleration of each joint point in a motion period are put forward and their curves of the relevant points are plotted
通過運動學分析,得出平面連桿機構在一個運動周期中各鉸接點的位置、速度和加速度以及各桿件的角速度、角加速度等運動學參數,並繪制出相應的變化曲線。The theoretical calculation and the model experimental result both have confirmed that the built - up stabilizing appendage is able to reduce pitching n heaving motions and especially bow acceleration considerably
理論計算和模型試驗結果均證明了組合減搖附體能夠減小船的縱搖運動、升沉運動,尤其是大幅度降低首部加速度。Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation
在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。The analysis results show that the palcement styles and the rotating angles of such a large scale deployable boom systems are functional importantly. the motions and damps of the boom systems also take importance. if motions become larger, the time for the booms to reach their spreaded states is shorter, and the impact velocities become larger, the impact accelerations become larger too
分析結果表明,對于大尺度的伸桿機構,其布置方式和展開角度對其展開運動有重要的影響;同時也研究了鉸鏈處外力矩對展開運動的影響,隨著該力矩的增大,伸桿到達鎖定狀態的時間減少,碰撞時的速度增加,由此產生較大的加速度;分析了伸桿彈性和阻尼對伸桿展開過程的影響,彈性增大碰撞加速度增大,阻尼增大加速度減小,因此可將鉸鏈處外力矩和伸桿阻尼作為伸桿展開運動調節的手段。With the increase of the velocity and acceleration of the moving target, it produces a large accretion of dynamic error of o - e theodolite
隨著被測目標運動速度和加速度的不斷提高,導致光電經緯儀電視跟蹤的動態誤差急劇增大。The assemblage angle and maximum step are studied, the method to calculate the maximum step of random structure paramers and random walking orientations is proposed and some formulations are deduced. the singularity and singularity workspace are analysed. based in zmp theory, the track programming is finished depending on leg position workspace
根據zmp理論,在腿位置運動空間內作了軌跡規劃,劃分了步行周期,求出了腳圓心的軌跡,對速度和加速度作了規劃,應用離線軌跡規劃方法,給出了離線求取桿長伸長值及速度值的演算法框圖。Secondly, i applied the method of matrix analysis to build up mathematic model of swaying platform, and solved the question of motion anti - solution, velocity and acceleration. then i analyzed the dynamics problems of the swaying platform. based on the calculation of the swaying platform ’ s force and moment, built up the dynamics equations of swaying platform by using virtual work principle
其次,應用矩陣分析和齊次坐標變換建立了搖擺臺的運動學數學模型,從反運動學的角度分析了搖擺臺的位置、速度和加速度的反解方程;分析了搖擺臺的動力學問題,通過對搖擺臺的驅動桿進行附加力和附加力矩計算,並利用達朗貝爾原理和虛功原理,建立了搖擺臺的動力學方程。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。The direct and inverse models of velocity and acceleration are founded by approach of influence coefficient and principle of rigid body moving, and furthermore, studies its movement - viewed problem
運用運動影響系數法及剛體運動原理推導了6 - sps並聯機器人速度和加速度的正反解模型,並研究了其運動可視化的問題。At first using the method of inverse kinematical analysis, the computing formulae of displacement, velocity and acceleration of each component in the seven - bar mechanism and variation law of motion for the two expanding and contracting bar were derived, and then combining with analytical living example and according to the motion law of output component the motion law of driving part was computed, finally the transmission error was analyzed
摘要首先運用逆運動學分析的方法,推導出了七桿機構中各個構件的位移、速度和加速度計算公式以及兩個伸縮桿的運動變化規律;然後結合分析實例,根據輸出構件的運動規律,計算出驅動件的運動規律,最後分析了傳動誤差。( 6 ) the analysis on singularity configurations of the manipulator were investigated by the singular value decomposition of jacobian matrix, which was treated with the damped least - square method in the motion. from the results obtained it was indicated that the minimum singular value of manipulator calculated by the damping jacobian matrix were far from zero position. velocity, position and accelerate of all the joints of manipulator moved regularly, consequently the problem that the joint of mani
( 6 )通過雅可比矩陣奇異值分解進行番茄收獲機械手奇異性分析,並採用阻尼最小二乘法對機械手運動中的奇異位形進行處理,使番茄收獲機械手最小奇異值遠離零點,各關節運動速度、位置和加速度運動無異常波動,解決了機械手在奇異位形處某些關節運動無法控制的問題。This formula combines two basic laws : newton ' s law of gravity ( which relates the force of gravity between bodies to the bodies ' masses and separation ) and newton ' s second law ( which relates force to acceleration )
這個公式結合了兩項基本定律:萬有引力定律(即兩物體間的重力是和物體的質量與距離有關)以及牛頓第二運動定律(力和加速度的關系) 。The corresponding variation of olltput voltage due to the change of total laser intensity is measured by a photo detector. a displacement - time curve can be obtained by calibrating the re1ationship between block position and output voltage of the photo detector. through the use of simple mathematical operation, the bird - shell velocity and acceleration histories can be determined, and therefore the bird - shell instantaneous velocity at any points within the measurement range can be obtained
該系統發射的一片狀激光受運動鳥彈的依次阻擋后,相應的光強度變化將被測出並轉換為位移時間曲線,經過簡單的數學運算,該系統能用來確定鳥彈速度和加速度的時間歷程,因而可確定鳥彈在被測區域內任一點的瞬時速度。It is proved that the disturbance velocity, acceleration of position is eliminated through internal feedback of pid form
原理分析證明,採用類似於pid形式的內部反饋,可消除舵機運動的速度和加速度干擾。Secondly, the control of position loop was improved by using compound control with velocity and acceleration feed - forward control and digital notch filter control in feeding servo system
其次對位置環的控制進行了改進,將位置前饋改進為速度前饋和加速度前饋,並在前向通路中增加了一個數字階式濾波器組成復合運動控制器。The reliability of the observation data in long period range is particularly inspected. this is done " by verifying the instrument response characteristic, examining the signal - to - noise ratio, comparing the recovered ground motions and response spectra from the velocity type and acceleration type digital broad - band records
對于速度型和加速度型的數字寬頻帶記錄,從儀器特性、恢復的地面運動對比、信噪比研究、反應譜對比等方面研究這類記錄在長周期段的可靠性。It was observed from the inverse kinematics simulation results that the position, accelerate and velocity minimum - norm solution of joint 1, 3, 7 of the manipulator were controllable with no abnormal fluctuates, which satisfy the motion requirements. however, the position, the accelerate and the velocity of joint 2, 4, 5, 6 of the manipulator varied with time irregularly with high efficiency during the simulation time t = 4. 7197s ~ 5s, which would make the joint uncontrollable and result in the vibration of the manipulator system, hence the kinematic performance of manipulator should be improved
逆運動學模擬結果表明,關節1 、 3 、 7速度最小范數解、位置與加速度均滿足運動要求,無異常波動現象,能夠實現控制;而關節2 、 4 、 5 、 6速度在模擬時間t = [ 4 . 7197s , 5s ]時速度、位置和加速度出現異常振蕩,關節運動失控,從而引起系統振動,其運動性能需進一步改進。分享友人