• An adaptive rudder controller was designed by using back stepping method with consideration of model errors.

    考虑建模误差,采用步法设计适应舵角控制律

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  • For steady computation, local time step method is used; for unsteady computation, dual time stepping method is used.

    计算采用当地时间步法定常计算采用双时间步法。

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  • 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进行离散,时间方向采用时间法推进求解

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  • 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时间步的时间推进方案,对流项差分采用高阶精度的数值差分格式。

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  • The stability, starting problem, initial value of sub-iteration and convergence criterion of implicit iteration of the dual-time stepping method are studied.

    对双时间方法隐式迭代稳定性启动问题子迭代初值收敛性准则进行分析。

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  • 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时间推进算法,对多段襟翼滑动非定常黏性进行数值模拟和研究。

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  • 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.

    顺序控制可编程序控制器优势功能编制步进顺序控制程序有效方法功能表图。

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  • The thesis presents the subdivision drive method by analyzing the mathematics models of two-phase hybrid stepping motor.

    论文通过分析混合式步进电机数学模型介绍了两相混合式步进电机的细分控制策略

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  • 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步进精密直线驱动器进行力学分析,进行了大量试验研究

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  • In this paper, the method of enhancing the control accuracy for stepping servo system is presented.

    本文介绍提高步进伺服系统控制精度方法

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  • 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.

    本文非线性参数分析出发考虑电机的饱和因素提出混合式步进电动机运行矩频特性实用计算方法

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  • 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工作原理磁路分析转矩计算方法

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  • In this paper, discrete magnetic field is analysed. We present a method of torque Angle control for stepping synchronous motor.

    本文分析了同步离散磁场提出了步进同步机直接控制方法

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  • The finite element method is used to calculate five-phase hybrid stepping motor's tooth layer magnetic field parameters.

    有限元方法计算出五相混合式步进电动机齿部分磁场参数;

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  • 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.

    提出距角细分控制方法,并据此设计脉宽调制细分电路

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  • 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.

    提出采用斩波电流开关电源结合片式电机驱动器TA8435H构成一种电机驱动电路方案。

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  • 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干扰严格反馈型的非线性系统鲁棒适应控制提出一种新的设计方法,即动态面控制。

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  • 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条件下电动机电流分配定量研究计算方法

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  • 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跨径、同桥型两侧拼接为主局部分离为辅

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  • 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单片机控制步进电机实现软件硬件相结合控制方法

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  • 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.

    基于进化伺服系统输入信号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,给出相关的证明。

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  • 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,干涉仪中实现步进相计量方法

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  • 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,并应用算法进行求解

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  • 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.

    系统轨管油压控制引入限制削弱积分采样周期是从试验测出的阶跃响应曲线获取的,考虑诸多影响因素

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  • 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.

    介绍了三相电机工作方式给出了激励三拍三相六拍步进电机控制器用GAL电路进行设计方法

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  • 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适应神经网络控制方法

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  • 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.

    分析相混合式电动机谐波提出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。

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  • A method that simulates the nonlinear function between the optimal control codes and the angle displacements in the subdivision of stepping motor is proposed;

    BP网络模拟步进电机细分控制电机优化控制量电机角度输出的非线性关系

    youdao

  • A method that simulates the nonlinear function between the optimal control codes and the angle displacements in the subdivision of stepping motor is proposed;

    BP网络模拟步进电机细分控制电机优化控制量电机角度输出的非线性关系

    youdao

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