An adaptive rudder controller was designed by using back stepping method with consideration of model errors.
考虑建模误差,采用反步法设计了自适应舵角控制律。
For steady computation, local time step method is used; for unsteady computation, dual time stepping method is used.
定常计算采用当地时间步法,非定常计算采用双时间步法。
The numerical method uses finite volume method in space and advances the solution in time using dual time stepping method.
空间采用中心平均的有限体积法进行离散,时间方向采用双时间法隐式推进求解。
The present solver USES a primitive variable formulation that is based on the artificial compressibility method combined with dual time stepping method.
求解程序采用虚拟压缩方法和双时间步的时间推进方案,对流项的差分采用高阶精度的数值差分格式。
The stability, starting problem, initial value of sub-iteration and convergence criterion of implicit iteration of the dual-time stepping method are studied.
对双时间步方法隐式迭代的稳定性、启动问题、子迭代初值和收敛性准则进行分析。
Unsteady viscous flows over the gliding flap of Multi-element airfoils are simulated and studied by using the moving overlapped grids and the dual-time stepping method.
运用动态嵌套网格技术和双时间推进算法,对多段翼型襟翼滑动的非定常黏性流进行了数值模拟和研究。
The advantage function in PLC is stepping sequence control, the efficiency method of establishment the stepping sequence control program is drawing out the function diagram.
步进顺序控制是可编程序控制器的优势功能,编制步进顺序控制程序的有效方法是画出功能表图。
The thesis presents the subdivision drive method by analyzing the mathematics models of two-phase hybrid stepping motor.
论文通过分析两相混合式步进电机的数学模型,介绍了两相混合式步进电机的细分控制策略。
Mechanical properties of the stepping linear sophisticated piezoelectric actuator are analysed with finite element method and a number of experiments were carried out.
应用有限元分析方法对步进型精密直线驱动器进行了力学分析,并进行了大量的试验研究。
In this paper, the method of enhancing the control accuracy for stepping servo system is presented.
本文介绍了提高步进伺服系统控制精度的新方法。
The paper presents a practical calculating method for running torque-frequency characteristics of a hybrid stepping motor, considering magnetic saturation and analyzing the nonlinear parameters.
本文从非线性参数的分析出发,考虑电机的磁饱和因素,而提出一种混合式步进电动机运行矩频特性的实用计算方法。
This paper introduced working principle of PM Claw-pole stepping motors, including magnetic circuits analysis and torque calculation method.
本文介绍永磁爪极步进电机的工作原理、磁路分析及转矩计算方法。
In this paper, discrete magnetic field is analysed. We present a method of torque Angle control for stepping synchronous motor.
本文分析了步进同步机的离散磁场,提出了步进同步机矩角直接控制的方法。
The finite element method is used to calculate five-phase hybrid stepping motor's tooth layer magnetic field parameters.
用有限元方法,计算出五相混合式步进电动机齿层部分磁场参数;
The paper mainly put forward a new control method of stepping motor which character-, ized by equal-stepped fine division, and then design a constant frequency PWM driver circuit.
提出一种等步距角的细分控制方法,并据此设计了恒频脉宽调制细分电路。
A method of stepping motor driver circuit was given, composed by a chopper type current mode switch regulator and a monolithic stepping motor driver TA8435H.
提出采用斩波式电流型开关电源结合单片式步进电机驱动器TA8435H,构成一种电机驱动电路的方案。
We propose a new method for robust adaptive back stepping control of nonlinear systems with parametric uncertainties and disturbances in the strict feedback form.
本文针对具有未知参数不确定和干扰的严格反馈型的非线性系统鲁棒自适应控制提出了一种新的设计方法,即动态面控制。
This paper presents the quantitative research and calculating method of current distribution of step motor onthe condition of even stepping Angle at ela...
本文介绍细分运行时均匀步距角条件下步进电动机电流分配的定量研究和计算方法。
The bridge concatenation method of the extension project is to rely mainly on stepping the foot - path, with bridge type both sides concatenation, local separation.
扩建工程桥梁拼接方法是以同跨径、同桥型两侧拼接为主,局部分离为辅。
SCM8051 is adopted to control the stepping motor in this paper and realize the control method of the combination of software and hardware.
采用8 0 5 1单片机来控制步进电机,实现了软件与硬件相结合的控制方法。
This paper gives a design method of servo systems input signal, which is based on exact requires of stepping servo systems and combining of traditional form of input signal.
在基于步进化伺服系统输入信号的实际需求,结合传统伺服系统输入形式,采用曲线拟合的方法,提出一种既便于计算机实现,又可灵活调整的输入信号设计方法,并给出相关的证明。
In this paper a new method of phase-stepping by changing the temperature of Laser Diode (LD) in phase Shifting Interferometry (PSI) has been presented.
提出利用改变半导体激光器温度来改变波长,在相移干涉仪中实现步进相移计量的新方法。
A time stepping scheme is used for the transient analysis and a homotopy method is adopted to solve the process.
时域上采用精细算法进行离散,并应用同伦算法进行求解。
The method of weakening integral when meeting limit is used in the common rail pressure PID control. The sampling cycle is obtained from the stepping curve, and many factors are considered.
在系统共轨管油压的控制中引入遇限制削弱积分法,采样周期是从试验测出的阶跃响应曲线获取的,并考虑诸多的影响因素。
This paper has introduced the working ways of three_phase stepping motor; mean while, it has provided a method of designing GAL circuit for double tri_beat and three_phase six_beat stepping motor.
介绍了三相步进电机的工作方式,给出了双激励三拍与三相六拍步进电机控制器用GAL电路进行设计的方法。
An adaptive back stepping control method based on neural networks is presented for a class of nonlinear systems.
文章针对一类非线性系统,研究了一种基于回馈递推法的自适应神经网络控制方法。
This paper analyzes the harmonic torque of the 2-phase hybrid stepping motor and puts forword a method of using current feedforword control to reduce the harmonic torque.
分析了二相混合式步进电动机的谐波转矩,提出了一种采用电流前馈控制来减小谐波转矩的方法,并建立二相混合式步进电动机的模型,进行了仿真。
A method that simulates the nonlinear function between the optimal control codes and the angle displacements in the subdivision of stepping motor is proposed;
用BP网络模拟步进电机细分控制中电机优化控制量与电机角度输出的非线性关系;
A method that simulates the nonlinear function between the optimal control codes and the angle displacements in the subdivision of stepping motor is proposed;
用BP网络模拟步进电机细分控制中电机优化控制量与电机角度输出的非线性关系;
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