variable acceleration 中文意思是什麼

variable acceleration 解釋
可變加速度
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  • acceleration : n. 1. 加速；促進。2. 【物理學】加速度；變速。3. 【教育】加速升級。
  1. Win2000 bed lift is of personalized design, ultra - stable operation, to offer quietness and comfortableness to the greatest extent to patients with warm colors. it is provided with variable voltage variable frequency device, to produce the best operating curve in accordance with the physiological requirements of human body, to show make the safe, comfort, stable and excellent perfomance in the whole process during the operation of the lift from start, acceleration, deceleration to stop. optional cut - off emergency leveling device may be equiooed at the demand of user to ensure that the passengers inside the lift can be rescued in case of power cut - off accident

    Win2000系列病床電梯以人性化的設計，超平穩的運行，給予病患者最大程度的安靜舒適增添溫馨的色彩。採用先進vvvf調頻調壓調速裝置，按人體生理要求由電梯優化產生最佳的運行曲線，使電梯的起動加速減速停止過程處處體現安全舒適平穩的卓越性能。根據用戶要求可選裝停電應急平穩裝置，確保以外停電時，被困電梯內的乘客能及時獲得解困。
  2. Several semi - active control algorithms used in the semi - active suspension system with mr dampers are proposed and developed including the " on - off " voltage controller, the continuously linear variable voltage controller, the modulated continuously linear variable voltage controller based on " sky - hook " damping concept and the hybrid controller based on the combination of " sky - hook " damping concept and " ground - hook " damping concept and the fuzzy logic controllers using measurements of the relative displacement between the sprung and unsprung mass or the absolute acceleration of the sprung mass as the input variables of fuzzy logic controllers. the simulation models were prepared in matlab ? simulink ? fuzzy toolbox programs. the experiment setup of the semi - active suspension system with mr dampers in the lab has been designed and developed

    根據磁流變阻尼器特性和對懸架系統動力學特性的規律性研究，為磁流變阻尼器設計了基於「天棚」阻尼控制概念的「 on - off 」 、線性連續和修正的線性連續控制策略，基於「地棚」阻尼控制概念的磁流變阻尼線性連續控制策略， 「天棚」阻尼和「地棚」阻尼控制概念線性組合起來的磁流變阻尼混合控制策略，根據模糊控制原理設計了以簧載質量和非簧載質量間相對位移或簧載質量加速度分別作為輸入變量的模糊邏輯控制器用於磁流變阻尼半主動懸架的智能控制。
  3. So the sliding mode variable structure controller was discussed, which has strong robustness against the disturbance, and the chattering phenomenon inherited from vsc was taken advantage to regular valve vibration for the purpose of avoiding coagulation on it, while precision of level control can be almost unaffected. but for the reason of control limitation, especially the acceleration insufficiency, the continuous time quasi - sliding mode vsc for one class of controllable system, as the substitution of ideal sliding mode control system, which was impossible to implemented, was researched, including the three essentials, reaching condition in particular, and the chattering ex - pression was given. furthermore, the effect to quasi - sliding mode motion and chatter - ing expression by extent disturbance was also analyzed

    由於控制量相對受限制，並且主要體現在控制量加速不足方面，無法實現理想的滑模變結構控制，因此本文研究了一類能控系統在這種情況下的連續系統準滑模變結構控制，包括變結構控制三要素，尤其是到達條件；並且針對塞棒掛渣問題，給出了該情況下抖振的表達式；魯棒性方面，分析了外界擾動對準滑模運動的影響，並且給出了外擾作用下抖振的表達式。
  4. Second, the author introduced a new stability region, and programmed a trajectory of variable zmp, which was defined as a cosine curve ; the author also designed a cog - compensated method to keep the cog ’ s height ; based on dynamics of 3 - d inverted pendulum, the author educed the cog ’ s trajectory equation of the robot in the three - leg - support phase, and used third - order splint function to ensure the acceleration continuity of the robot ’ s cog in the four - leg - support phase. at last, walking patterns of the corresponding gait are generated through programmer design

    然後，提出了一種新的支撐區域選取方法，採用了按餘弦規律變化的zmp運動軌跡;為了維持機器人行走時重心高度不變，採用了一套有效的質心高度保持方法;基於三維倒立擺模型，推導了機器人三腳支撐期質心運動軌跡方程;採用三次樣條曲線插值規劃了四足支撐期加速度連續的質心運動軌跡。
  5. Based on variable zmp and dynamics of 3 - d inverted pendulum, we educed the cog ( center of gravity ) ’ s trajectory equation of the robot in the single - support phase and transition of locomotion phase. and we used third - order spline function to ensure the acceleration continuity of the robot ’ s cog in the double - support phase. thereby, the smooth trajectory of cog was gained by planning

    由基於可變zmp和三維倒立擺的動力學原理，推導出了單腳支撐期內和步行方式轉換期間機器人的質心運動軌跡方程;並採用三次樣條曲線來保證機器人在雙腳支撐期質心加速度的連續性，從而由規劃得到了光滑的質心運動軌跡。
  6. A kinematics model for 3d guidance problems is derived, a new kind of nonlinear variable structure adaptive guidance law is brought up by researching the variable structural strength item, and another fuzzy variable structure guidance law with self - adapt region is realized to enhance robustness of target acceleration estimate error of guidance law

    本文建立了三維空間追逃問題的數學模型;通過對變結構控制中其變結構強度項的研究，提出一種新型變結構自適應制導律;並且考慮到對變結構強度項進行模糊化，實現一種論域自調整的模糊變結構制導律，以增強制導律對目標加速度估計誤差的魯棒性。
  7. Because the different stiffness match of front and rear suspension is very influencing to the ride comfort, optimal model of ride comfort is developed, regarding the rms of driver ’ s acceleration as the objection, regarding the stiffness of front and back suspension as optimal variable, regarding quiet flexibility 、 dynamic flexibility 、 frequency and dynamic load as nonlinear constraints. by matlab program and using sqp, the optimal match of front and back suspension ’ s stiffness is achieved, this optimal model consider not only request of quiet 、 dynamic flexibility 、 frequency and damp, but also security of run and peace of road, it is closer to the fact than other models which only consider partial restriction

    由於前後懸架垂直剛度的不同匹配對汽車行駛平順性影響較大，論文建立以駕駛員垂直加速度的均方根值作為汽車行駛平順性優化目標值、以前後懸架垂直剛度作為優化變量的優化設計模型，並輔以靜撓度、動撓度、頻率、動載荷等非線性約束，使用序列二次規劃法，利用matlab編制優化程序，求得前後懸架垂直剛度的最優匹配值;此優化模型不僅包含動靜撓度及頻率和阻尼的限制，還考慮到汽車的行駛安全性和道路友好性，比文獻報道的只考慮部分約束的優化模型更切合實際情況。
  8. So, variable structure control theory is used in angle stabilization of roll, and model - following variable structure control theory is used in acceleration stabilization of pitch and yaw

    因此，本文採用了變結構控制理論設計傾斜角穩定系統，採用了模型跟蹤變結構控制理論設計俯仰、偏航通道的加速度穩定迴路。
  9. Meanwhile, multivariable control can provide better control result than single - variable control in engine acceleration process

    發動機模型越真實，約束條件越合理，所得的加速過程計算結果就越好。
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