控制系统采用双环控制,速度环采用PI转速控制,电流环采用矢量控制。
In the double loop of control system, a PI speed controller is adopted in the speed loop, and a vector controller is used in the current loop.
扩张角的增加可提高速度环量,但是流动混合损失增加,总压恢复系数减小。
The increase of lobe diffusion angle results in the increase of velocity circulation at the lobe exit section, but it raises the mixing loss and lowers the pressure recovery coefficient.
位置环实现精确位置控制,速度环实现快速跟踪,电流环实现快速动态响应。
The precise position control was performed by position regulation, and the fast trace was realized by speed regulation, and the fast dynamic control was implemented by current regulation.
这种模型可以采用和直流电动机动态设计同样的原理进行电流环及速度环的设计。
This model permits the design of the current and speed control loops to adopt the same principles as the dynamic design of armature DC motor drives.
该伺服系统包括速度环和位置环以及前馈控制,因此该系统是一个复合控制系统。
The servo loops include speed control loop and position control loop plus feed-forward control, therefore the system is a compound control system.
详细介绍了控制系统采用的硬件结构和位置环、电流环和速度环三闭环控制方法。
In particular, the three closed loops including position loop, current loop and speed loop, and the hardware structure of the control system were described in detail.
按照自动控制系统调节器的工程设计方法,完成了位置环、速度环、电流环的设计。
The current loop, speed loop and position loop of the system were designed with the help of engineering design method of automation system regulator.
提出一种利用神经网络的自学习特性,对陀螺稳定平台的速度环进行自适应控制的方法。
Based on the self-learning property of neural network, an adaptive control method for speed ring of a gyroscope-stabilized platform is put forward in the paper.
通过研究速度环的动态结构,选择速度环的调节方式,以满足速度环的无差与抗扰要求。
After the dynamic configuration of speed loop is studied, its regulating manner is selected to meet the demand of no error and anti-disturbance.
研究了分别以电机编码器和速率陀螺输出信号作为速度环反馈时,系统输出的跟踪特性。
The article also studied the tracking quality in which the system has used the motor encoder and the velocity gyro as the velocity loop feedback respectively.
无传感器闭环控制模块包括换向调节、电流环调节和速度环调节、正反转速控制等功能。
Sensorless DC motor close-loop control module include reversing control, current loop regulating, the positive and negative rotational speed controls with speed ring etc.
系统中电流环仍采用PI控制器,速度环采用常规pi和模糊控制相结合的方法来实现。
In the control system, the conventional PI controller was implemented in the current loop, in the speed loop the fuzzy PI hybrid control scheme was applied.
针对三个不同的运动阶段,建立了包含交流伺服电机速度环的被控系统的完整的数学模型。
Considering the three different moving processes, complete mathematic model of controlled system that includes velocity loop of alternating current servomotor, is established.
针对滑差频率矢量控制交流调速系统,提出并设计一种模糊滑模控制算法对速度环进行控制。
An algorithm for fuzzy sliding mode control was proposed for AC speed drive with a slip frequency vector control.
采用线性离散控制技术,由位置环、压力环、速度环、电流环多闭环构成线性离散压力调节系统。
Adopting linearity disperse control technique, position ring, pressure ring, rate ring, current ring constitute the more closed loop pressure regulate system.
针对推力波动对于直线电机的速度控制精度和平稳性影响较大的问题,设计了速度环滑模控制器。
Since the thrust ripple has great influence on the precision and steadiness of the velocity control, the sliding-mode control device of speed loop was designed.
以给定积分器电路和双闭环晶闸管供电直流调速系统中等效速度环调节回路为例,说明求解过程。
The resolving Procedures represented by resolving set-integrator circuit and equivalent speed loop regulating circuit of double close oop SCR-D system.
分析了数控立式磨床垂直进给轴的机电动态特性,研究了伺服系统的速度环参数对伺服系统性能的影响。
Based on analyzing the dynamic characteristics of vertical servo motor of a NC vertical grinder, the effect of the parameters of speed loop on the servo system was studied.
针对速度环难以对负载转矩扰动进行及时调节的问题,设计了负载转矩的前馈环节来进行动态转矩补偿。
Also, to compensate the torque disturbance caused by load variations, a torque disturbance feed-forward is designed in motor speed loop.
然后对转鳍驱动系统进行了分析,确定了在系统中使用电流环、速度环、位置环的交流电动机控制策略。
Then the drive system of the fin stabilizer is analyzed. To give a control policy which AC motor is controlled by applying electric current loop, speed loop, position loop in this system.
在光电实时跟踪系统中要求响应的时间短、跟踪误差小,采用速度环和位置环的串级控制是一种有效的设计方法。
The series control with the velocity loop and the position loop is an effective design method in the electro-optical tracking system which requires short respond time and little tracking error.
通过对五阶系统的分析表明数控强力切削伺服进给系统的谐振频率取决于机械谐振频率和速度环谐振频率中较低的一个。
This system indicates that the resonance frequency of servo drive in CNC heavy cutting is equal to the lower one of mechanism and speed loop resonance frequency.
然而,他们没有网络的少数国家,我们可以船托运通过挂号空邮将采取10 - 15天时间和航运主管小于速度环后。
However, they do not have network at few countries where we can ship the consignments through Registered Airmail which will take 10-15 days time and the shipping charge is less than EMS Speed Post.
针对扫描镜精密伺服系统,本文采用按照电流环、速度环和位置环等三个回路进行控制系统设计的开闭环复合控制方案。
The scanning mirror precise servo system is designed by the scheme of compound control of open and closed loops with current, velocity and position loops in this paper.
导出了二维浅水流动的涡动方程与速度环量的随体导数表达式,以此为基础,分析了二维浅水流动中旋涡的动力学性质;
The vorticity equation was first established and the characteristics of vortex motion in two-dimensional shallow-water flows was analyzed, and then discrete vortex method (DVM) was briefly described.
本文针对全数字直流调速器回路、应用自适应原理,通过数学推导,得出了速度环、电枢电压环、电枢电流环的数学模型。
According to the loops of the total digital DC timing and applied self-adaptive principles, deduce the mathematic model of the speed, armature voltage and armature electrical current loops.
对伺服系统速度环采用模糊PID控制器,利用模糊控制实时修正PID参数,提高了系统的响应速度、控制精度以及鲁棒性;
Velocity loop servo system with fuzzy PID controller, correcting PID parameters instantaneously using fuzzy control, improved response speed, control accuracy and robustness of the system.
通过转台的非线性动力学模型建立了转台速度环以及位置环的T - S模糊模型,设计了实现速率定位功能的速度环鲁棒最优控制器。
The T-S fuzzy models of the velocity loop and position loop are constructed via the table's nonlinear dynamic model. Robust-optimal controller of velocity-loop is designed for velocity orientation.
软件实现了调速系统的双闭环调节,其中速度环采用滑模变结构控制,电流环则是经典的PI控制。试验结果说明该调整系统有较好的动态和静态性能。
The software comes true the double closed loop regulator, therein the velocity loop is the variable-structure control, and the current loop is the classical PI control.
自那以后环法的比赛路程缓慢下降,但冠军的速度却不断上升,达到每小时40千米。
Since then the length of the Tour has fallen steadily but the average speed of the winner has risen to around 40km/h.
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