velocity feedback 中文意思是什麼
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In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中，本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信，同時系統電路配置成中斷響應方式，這樣既滿足了系統要求，又充分利用了tms320f2812的硬體資源。在軟體設計中，本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。 -
The influences of optical feedback and external cavity length on the laser output are studied, and the relation between fluctuations of speckle signal and the transverse velocity of rough surface is discussed
分析了隨機變化的反饋強度與外腔長度對激光光譜特性的影響。模擬了散斑干涉信號的波動與粗糙表面橫向移動速度的關系。 -
Secondly, the effectiveness and limitation of the classical perturbation, such as the method of multiple scales and the poincare - lindstedt method, are discussed in detail through a duffing oscillator with delayed velocity feedback. it is shown that the two perturbation methods are effective only in solving the approximate solution of the first two orders. an ambiguity or paradox will be encountered when they are used to seeking for the third or higher order approximation of solution
其次，以一具有時滯速度反饋的duffing系統為例，研究了經典攝動法如多尺度法， poincar - lindstedt法等在求解時滯微分方程級數解時的適用性和局限性問題，指出利用這些方法只能有效求得系統的前兩階近似解，而在求系統的三次以上近似解時會出現矛盾或二義性。 -
In the full of research, the thesis constructed the dynamic equations of the simplified model, then programmed and computed the feedback gains using lqr method. moreover, the thesis plotted pictures of displacement, velocity, acceleration, bend and shearing force of ship ' s head and middle part in the condition of using cable and not using cable
在研究工作中，首先對船舶的簡化模型建立了動力學方程，然後採用線性二次型最優控制方法，編寫程序並計算出船體垂向振動固有頻率和最優反饋矩陣，得到控制前後船艏以及船舯部的位移、速度、加速度、彎矩和剪力歷程圖。 -
In this system, the closed loop is composed of velocity measurement machine used as velocity feedback and coder used as position feedback, the feed - forward signal of ship swaying is measured by rate gyro
該系統用測速機構成閉環，作速度反饋，編碼器作位置反饋，速率陀螺測量並前饋艦船搖速度信號。 -
Negative mode velocity feedback was adopted and the control voltage applied to each piezoelectric element acting as actuator was calculated to control the vibration of the beam
採用模態速度負反饋進行回饋控制，以此計算出各個作為致動器的壓電片的控制電壓，以抑制懸臂梁的振動。 -
The antenna pointing control is open loop control without feedback. the antenna pointing errors due to antenna tracking motion and satellite attitude adjusting ( trusting ) were analyzed, as well as the influence of damping, tacking velocity and trusting time
文章分析了天線作跟蹤運動和星體作姿態調整時，對星體姿態控制精度和天線的指向精度影響，同時分析了阻尼、跟蹤速度、噴氣脈沖寬度等因素變化對動力耦合程度的影響。 -
In order to get a higher precision, a late - model 23 - digit angle coder is designed. this angle coder acts as the feedback sensor for velocity and position
為提高測速精度，本文設計了一種新型23位角編碼器，作為速度和位置反饋傳感器。 -
The innovative ideas in this paper are that robust h control theory based on conventional ip controller is applied to the high - precision feed of a single axis, and the controlled plant is composed of ip velocity loop and two - order model of linear motor. a constraint condition on y in the problem of h2 / h is deduced from the frequency criterion of riccati equation, which makes the repeated computation on r simple. considering the two - loops control problem, the h state feedback controller based on ip controller as the inner controller is applied to satisfy the velocity performance of the system, and a pi controller, the external controller, is used to satisfy the position performance
本文的創新之處在於將傳統的ip速度控制器和直線電動機的二階模型作為一個廣義的被控對象，利用魯棒h _控制理論設計了一個h _狀態反饋控制器，以此解決高精度進給的控制問題，並在此基礎上研究了h _ 2 h _混合控制問題，結合h _代數riccati方程正定鎮定解存在的頻率判據，推出了一個控制器存在的約束條件，使以往須反復試探的，有了更進一步的約束范圍，簡化了計算。 -
Finally, application of adams in the simulation analysis of the electromagnet damping system is based on velocity feedback. the result of the simulation is indicated that : the vibration effect of low frequency and resonance peak is decreased with increment of damping ratio, and the high frequency performance is not affected
最後採用adams對電磁阻尼隔振系統進行了振動模擬分析，模擬結果表明，合理設置阻尼比，能夠有效抑制諧振峰值，大幅度提高低頻隔振效果，並且對隔振平臺諧振頻率和高頻性能影響很小。 -
In the task space, the attitude space of the robot end - effector is parameterized by rodrigues parameters, and an output feedback controller without the generalized velocity is designed for controlling the position and attitude of the end - effector of a rigid robot
利用機器人控制系統固有的無源性，在作業空間中，採用rodrigues參數描述末端執行器的姿態，設計了用於機器人末端執行器位姿控制的輸出反饋控制律，消除了控制器中的廣義速度。 -
Ad2s81a, r / d converter of analog devices inc., is chosen to substitute for the velocity measuring dynamo to gain the speed feedback signal. it reduces the system dimension and improves the system reliability
選用美國模擬器件公司的r d轉換器ad2s81a代替測速發電機的功能獲得速度反饋信號，減小了系統體積，提高了系統可靠性。 -
First of all, the method of fredholm alternative is used to obtain the approximate solution of the first order for the bifurcating periodic solutions of a nonlinear system with delayed velocity feedback. the bifurcation direction and the stability of the bifurcating periodic solution are also determined
首先，用fredholm擇一方法分析了一具有時滯速度反饋的非線性振動系統的hopf分叉，得到了局部分叉周期解的近似表達式，確定了分叉解的分叉方向及穩定性。 -
At last, the stability switches of equilibrium and the global diagrams of bifurcation for a duffing oscillator with both delayed velocity feedback and delayed displacement feedback are studied by using the similar method as above
最後，研究了時滯位移反饋與時滯速度反饋聯合作用下duffing系統的平衡點的穩定性切換及全局hopf分叉。 -
In part iv, time forward observer is used to predict states of the slave. moreover, force, position and velocity feedback is proposed to design the system. feedback parameters are solved through linear matrix inequalities
第四部分提出用時間前向觀測器預測從手狀態，用力、位置和速度反饋消除或減小時延對系統影響的方法，並對反饋參數的設計進行分析。 -
The closed loop control mode including position feedback, velocity feedback and current feedback is adopted for the driver motor so that high precision and steady running can be realized. the closed loop control mode including velocity feedback and current feedback is adopted for the momentum balance motor so that fast and accurate trace can be realized
其中驅動伺服電機採用絕對位置光電編碼器作為位置反饋確保系統的精度要求，實現了位置、速度、電流三環控制，達到了伺服電機的高精度、穩速運行；平衡電機採用電流和速度雙閉環控制，實現平衡電機快速、精確的跟蹤。 -
Firstly, for the intelligent structure ' s active bars, a constant output velocity feedback control law is dissipation energy due to control action and the optimal mathematical model with the reliability constraints on dynamic stress and displacement was built
以直接輸出速度反饋作為閉環控制律，基於最大耗散能準則，建立了以主動桿配置位置和控制系統增益為設計變量，具有動力響應（應力響應和位移響應）可靠性約束的壓電智能桁架結構主動桿優化配置的數學模型。 -
In part iii, memory position and velocity feedback is proposed to guarantee stability and transparency of a teleoperation robot system with time delay and uncertain parameters. linear matrix inequality is used to design feedback parameters of the system. in this way, static track error between the master and the slave is little, however, sometimes the feedback parameters does n ' t exist
第三部分針對遙操作機器人系統傳輸通道中的通訊時延和系統模型的不確定性，造成系統不穩定和操作性能降低等問題，提出用帶記憶的位置和速度反饋控制方法，並用線性矩陣不等式對系統的反饋參數進行設計，使系統魯棒漸近穩定，主、從機械手靜態跟蹤誤差較小，而且使系統具有良好的透明性。 -
In allusion to the coupling influence to system accuracy, this paper brings forward using dynamic robust compensation based on decoupling control. simulation experiments to prove its validity. in allusion to the performance index of simulation table, such as low velocity, high frequency response, high accuracy, etc, this paper analyzes pid control, acceleration feedback, velocity feedback, input signal differential feedforward, and employs compound control strategy including pid control, velocity feedback, position feedback and input signal differential feedforward,
針對模擬轉臺低速、高頻響、高精度等性能指標的要求，分析了pid控制策略、加速度反饋、速度反饋、輸入信號微分前饋等控制方式，採用pid控制與速度反饋、位置反饋以及輸入信號的微分前饋結合起來的復合控制策略，充分利用反饋和前饋的優勢，對轉臺的位置伺服系統進行研究。 -
Some effective methods are given out to eliminate the extra force in this paper, such as variable structure pid control, position compensation, and velocity feedback. they greatly improve the performance of the loading system. but for the full - loading of fore - landing gear, it still ca n ' t meet the loading precision completely
為了克服多餘力，本文採用了變結構的pid控制及位置補償、速度反饋等方法，對于主起全載和前起半載試驗，取得了良好的效果；而對於前起全載試驗，在進一步採用對給定載荷譜進行濾波，模糊控制等方法后仍不能完全滿足要求的性能指標，在加載試驗研製總結中簡單分析了其原因。
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