進動角速度 的英文怎麼說
中文拼音 [jìndòngjiǎosùdù]
進動角速度
英文
angular velocity of precession-
This paper mainly discusses about the acceleration response of the artillery that is caused by the plainness causes under traveling condition. and according to the system aspect of the matching between the tractor and artillery which composes the artillery train, it also presents the characteristics of the steering, braking stability and manipulating stability which affects the artillery moving maneuverability
本文在火炮設計領域首次對火炮牽引列車系統進行動力學分析,重點研究了火炮牽引行駛狀態下的路面不平度對火炮的加速度響應,並從牽引車與火炮匹配組成火炮列車的系統角度,研究了影響火炮行駛機動性的轉彎特性、制動穩定性和操縱穩定性。The major work is as follows : solution of two dimensional radiation or diffraction fluid field. this thesis extends multipole expansion method to adapt to disturbed fluid fields of 2d floating bodies with asymmetric forms, which is applied with symmetric forms originally. and given the solution of potential velocity and hydrodynamic pressure of radiation and diffraction fluid fields, which is incited by a 2d arbitrary form, actual application field of the multipole expansion method has been enlarged
關於二維擾動流場的求解:將通常僅適宜求解具有對稱形狀二維物體擾動流場的多極展開法(保角變換方法)擴展至非對稱形狀二維物體,給出了任意形狀二維物體的輻射和繞射流場的速度勢及水動壓力的頻域解,進一步擴大了多極展開法的實際應用范圍。To investigate the the body shape strength and kinematics that effects sprint expert performance 17 healthy male sprinters were measured using songxiam9000 high speed vidicon in the field ; body shape of sprint athlete were tested by steel rule ; meanwhile shoulder were tested at 60, 240and360 deg / sec velocities ; lower limb were tested at 60, 240 deg / sec velocitues using biodex - ii tesing and rehabilitation system in the laboratory this research provide theoretical basement to scientifically make reasonable exercise prescription and perfect sprint theory the result show that ( 1 ) the results of correlation indicate that 100m performance related to the shoulder fast flexion torque and hip flexion / extension torque ^ ankle fast dorsiflexion torque ; ( 2 ) the upper arm relaxing enclose and lower limbs length effect 100m performance ; ( 3 ) the biggest shoulder extension joint, swing rage of shoulder and the biggest elbow joint extension effect 100m performance
受試者為17名男子一、二級短跑運動員。使用松下m9000高速攝像機對100米跑動過程中的運動員進行錄像,同時測試短跑運動員100米成績,利用愛捷錄像分析系統獲取運動學參數;用人體測量尺測試短跑運動員的肢體圍度;同時採用biodex -型等動測力及康復統,測試運動員上肢肩關節及下肢髖、膝、踝3個關節的等速屈伸肌力。在角速度60 s (慢速) 、 240 s (中速)和360 s (快速)下測試肩關節等動向心收縮肌力;在角速度60 s9慢速)和240 s (快速)及120 s下測試下肢3關節等速向心及離心肌收縮肌力。At first, the general theory of synthesis angular acceleration and velocity with linear accelerometers is researched and proved in this paper. on the foundation of analyzing the applied barrier in platform stabilized system of angular locomotion, a new method that changes the installation structure from alterable space into plane, is put forward to solve the problems, so that the application of this theory in moep becomes possible
本文首先對線加速度合成角速度、角加速度的一般理論進行了研究,從理論上證明這一方法的正確性,為進一步深入研究奠定了理論基礎;在此基礎上,本文分析了角運動合成一般方法在平臺穩定系統中應用存在的困難,在此基礎上提出了一種改進方法;這種方法的特點是變空間結構的安裝方式為平面結構,使角運動合成理論在工程實踐中應用成為可能。To obtain an accurate measure of the precessional rate one has to attenuate the signal proportional to torquing current by cosβ.
為了準確測量進動角速度,必須使與加矩電流成比例的信號衰減cos倍。Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used
然後針對偏置動量飛輪系統,基於經典控制理論設計俯仰通道的pid控制律,根據滾動?偏航通道耦合的特點,分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時,結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中,為了解決不能獲得角速度信號的問題,採用terasaki提出的非最小相位控制器進行控制。Abstract : based on the mathematical models of roll speed for cross - rolling elongation process, the effects of toe angle on roll speed, local feed angle and local angular velocity, and also on material flow are analyzed. by the analysis, the toe angle can be optimized
文摘:基於建立的斜軋延伸機軋輥速度模型,模擬分析了沿軋制方向和螺旋方向上輾軋角對軋輥速度、局部送進角、局部角速度的影響,進而分析了這些參數對金屬變形和流動的影響,據此可優化輾軋角。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro and ring laser gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass
光纖陀螺是一種先進的感測載體自轉角速度的測量儀,它利用固態的全光纖結構實現光學sagnac效應的量測,克服了機電陀螺及環形激光陀螺在構造上或因需要一定的高速度旋轉質量,導致動態性能及壽命的降低,或因諧振要求過于苛刻,使工藝復雜性及成本過高等一系列缺點,從而成為當今最具有競爭性的新型陀螺。Fiber optic gyroscope ( fog ) is an advanced instrument to measure the angle velocity of rotation body. it realizes the measurement of optical sagnac effect using solid all - fiber structure. it overcomes mechanical - electrical gyro ' s reduction of dynamic performance and life - span caused by the structure or the requirement of high rotation rate mass, and the laser gyro ' s fabrication technology complication and high cost caused by the rigid requirement of optical circuit resonation
光纖陀螺是一種先進的測量載體絕對角速度的儀表,它利用固態的全光纖結構和sagnac效應來實現測量,克服了機電陀螺在構造上需要一定的高速度旋轉質量,導致動態性能及壽命的降低,或者環形激光陀螺因諧振要求過于苛刻,使工藝復雜性及成本過高等一系列缺點,從而成為當今最具有競爭性的新型陀螺。( 2 ) starting off with analyzing the forces affected on single dry solid granule on the roller screen, the relative slippage and slipping condition of granule at the tangential direction and axis direction of roller screen are discussed, and the average slipping conveyance velocity from feeding end to discharging end is given. the throwing conveyance of granule is discussed, the throwing coefficient of roller screen and its varying rule, and the concept of average throwing coefficient and its computing method are put forward, the starting condition and terminating condition for throwing motion of granule on the roller screen and the throwing conveyance velocity of granule are researched. the influence on throwing motion of granule by the rotating velocity of roller screen is discussed as well
( 2 )從筒式篩網上單顆干固相顆粒的受力分析著手,討論了顆粒在筒式篩網面上的切向相對滑動和軸向相對滑動及滑動條件,並導出了顆粒從進料端向出料端滑動運移平均速度;討論了顆粒的拋擲運移,給出了筒式篩網上的拋擲指數及其變化規律,提出了筒式篩網的平均拋擲指數的概念及計算方法,研究了筒式篩網上顆粒拋擲運移的產生條件和終止條件,以及顆粒拋擲運移的輸送速度;還討論了筒式篩網的旋轉角速度對顆粒拋擲運動產生的影響。This paper emphatically researched the problem how to calculate the intersection point between workpiece that rotated with variational angle velocity and milling cutter that moved with complicated track and rotated with high speed. furthermore it adopted the discrete curve surface method for every milling cutter, and treated image frame as the control parameter of position of milling cutter during the intersection calculation process, so the algorithm of intersection between workpiece and milling cutter was obtained. the paper also discussed further three - dimension graphic problem of manufacture process
文中對做變角速度運動的工件和運動軌跡復雜的高速自轉中的銑刀求交問題進行了重點研究,採用將銑刀上的每個刀尖劃出的曲面離散化的方法,以圖像顯示的幀數作為求交計算過程的銑刀位置的控制參量,得出了銑刀與工件的求交演算法。The differential equation of flexible rotor operating unsteadily is also derived and solved, its transient dynamics responses under different accelerations are obtained with simulink ' s program. the amplitude, phases and advancing angular velocity of response along with rotational speed and time under different accelerations are discussed. the responding conclusions have been reached
同時,建立了單盤轉子的瞬態運動方程,用simulink程序求解了所建立的瞬態方程,模擬得到了它在不同加速度下的瞬態動力響應,並就不同加速度下的振幅、相位、進動角速度隨時間和隨轉速的響應分別作了較詳細的討論,得出了相應的結論。Magnetic sensors are an important branch that can be used to detect the non - electronically characteristics through the magnetic field. the insb intellectualized magnetic coder sensor in this paper is designed for the measurement of the position of object and the angular velocity of object. through the sensor, the information of the position and the angular velocity are changed to electric pulse which can provides to other second instruments
通過磁場的無接觸特性,對非電量的測量是磁傳感器應用的一個重要方面,本文所研究的智能化磁編碼器是對于轉動物體的位置、角速度進行高精度測量的一類傳感器,它可以把轉動物體的位置和角速度信息轉換成電脈沖信號,供二次儀表使用。The rigid and flexible trusses were simulated respectively. the dependences of the attitude angle degree and angle velocity of the spacecraft on the rigid and flexible situation in the deployment process and drive velocities loaded on the joints were derived. the frequency - amplitude characteristic curves were gained from the attitude angle velocity curves of the deployment of the flexible truss and locked flexible truss after deployment through the fast fourier transition ( fft ) method
文中給出了展開前後的動力學固有特性;對展開過程中分別為剛性桁架和柔性桁架兩種情況進行了模擬計算,對比了兩種情況的桁架展開過程中衛星姿態角及姿態角速度的變化;比較了柔性桁架不同展開速度對衛星姿態角及姿態角速度的影響;分析了柔性桁架展開過程對衛星非展開方向的姿態角度及角速度的影響及原因;對柔性桁架展開過程中及展開鎖定后的衛星姿態角速度的變化曲線進行快速傅立葉變換,得到柔性桁架展開過程即展開鎖定后衛星姿態角速度的頻幅特性曲線。On the basis of discussing the possible aristhemetic for kineticscs indexes in motive video analysis, it was suggested that arithmetics of different quotient of center should be used in calculating the speed and accelerated speed, and the joint angle and segment angle, space angle and projection anagle should be ( differentiated ) so that the indexes could be more comparable
對運動影像拍攝與解析系統中運動學指標的可能演算法進行了討論,建議在計算(角)速度、 (角)加速度等運動學指標時應當盡可能地運用中心差商的演算法,在使用運動學指標時應當正確區分關節角和環節角、空間角與投影角兩組概念和演算法的不同,以使各種不同的解析系統計算出的運動學指標更具有可比性。This paper puts emphasis on dynamic simulation based on switched reluctance drivers ' s ( srd ' s ) nonlinear model, and study of fuzzy control for srd. based on switched reluctance motor ' s linear, nonlinear model, the dynamic simulation model of srd ' s is built respectively. the phase current, phase torque, total torque and speed of srm in current chopping control ( ccc ) and angular position control ( apc ) are calculated respectively with this simulation
本文在分析sr電機線性、準線性、非線性模型的基礎上建立了四相( 8 / 6極) sr電機調速系統( srd )動態線性、非線性模擬模型,分別對電流斬波控制方式( ccc )與角度位置控制方式( apc )下sr電機相電流、一相轉矩、合成轉矩及角速度進行了模擬。The table is a important device in the hardware - in - the - loop simulation system, and it simulates the flight of unmanned aerial vehicle so as to achieve flying parameters from those sensors. the signals of sensors in the table are transmitted by many cables previously, thus it confines the movement range of the three - axis frameworks. as the perfomance of uav become complicated, the signals cables are replaced by wire rings in some tables, but it brings many difficulties and unreliable factors for the simulation table ’ s design also. bluetooth, as a new short - range wireless communication technology, is a reasonable and feasible scheme in this condition
三軸模擬轉臺是無人機地面半實物模擬系統中的重要設備,用來模擬飛機在空中的姿態和角運動,以驅動傳感器產生飛行姿態、角速度及角加速度信號。早期轉臺上傳感器信號通過穿在框架中的電纜進行傳輸,這就限制了框架的運動范圍。隨著無人機任務的復雜程度不斷提高,出現了採用導電滑環傳遞信號的模擬轉臺,但這也給轉臺設計帶來了困難,且存在不可靠因素。Magnetic sensors are an important branch that can be used to detect the non - electronically characteristics through the magnetic field. the insb magnetosensitive sensor in this paper is designed for the fine measurement of the turning gear. through the sensor, the information of the angular velocity the gear is changed to electric pulse which can provides to other second instruments
通過磁場的無接觸特性,對非電量的測量是磁傳感器應用的一個重要方面,本文所研究的insb磁阻式轉速傳感器即是針對于轉動物體的轉速進行高精度無接觸測量的一類傳感器,它可以把轉動的齒輪的角速度信息轉換成電脈沖信號,供二次儀表使用。In one methods, the attitude dynamics is used only to propagate the attitude rate
其中一種方法是採用姿態動力學模型進行姿態角速度的遞推。Angle and velocity of each joint is attained directly and no inverse kinematics and polynomial interpolation are needed
該規劃方法直接得到機器人的各關節的轉角和角速度,無需進行運動學反解和多項式插值。分享友人