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    Based on the change of output error and its differential,the PID(proportion integral differential)parameters of controller were changed online by fuzzy reasoning in order to adapt the variety of set point and this made the control parameters reach the global optimization,solved the local optimization problem in the common gain scheduling.
    根据系统的输出误差和误差的一阶微分变化,利用模糊推理在线实时更改比例积分微分(PID,Proportion Integral Differential)控制器参数以适应工作点的变化,使系统控制参数达到全局优化,解决了一般增益调度中控制参数只是对于某一工作点局部优化的问题;
    The results shows that the 1st derivative values increase in the green edge(500~560 nm)and decrease in the red edge(680~760 nm)with DI increasing.
    对小麦冠层一阶微分光谱进行分析,结果表明随病情指数增大,一阶微分光谱在绿边(500~560nm)内逐渐增大,在红边(680~760nm)内逐渐降低。
    In this paper, we research the singular perturbation for boundary value problem of second order differential equation with two small parameter as fellowing:εy″=f(t,y,y′,ε,μ),a
    本文在弱稳定的条件下,研究带有两个小参数的二阶微分方程的边值问题εy″=f(t,y,y′,ε,μ),α
    Numerical experiments showed that the textural detail enhancing capabilities of fractional differential-based texture operator are better than that of integral differential-based one for rich-grained digital images.
    计算机数值实验结果表明,对于纹理细节信息丰富的图像信号而言,分数阶微分对灰度变化不大的平滑区域中的纹理细节信息的增强效果明显优于整数阶微分运算。
    The existence of positive homoclinic orbits is obtained by the variational approach for a class of the second order differential equations-α(x)u+β(x)u2+γ(x)u3=0,where the coefficient functions α(x),β(x),γ(x) satisfy xα′(x)≥0,xβ′(x)≤0,xγ′(x)≤0 for all x∈R.
    运用变分方法证明了一类二阶微分方程-α(x)u+β(x)u2+γ(x)u3=0,x∈R的正同宿轨存在性,其中系数函数α(x),β(x),γ(x)满足xα′(x)≥0,xβ′(x)≤0,xγ′(x)≤0对任意x∈R成立.
    The treatments simplifies greatly the solution programs which are often performed to solving non-homogeneous equation and second order differential equation on the thermal equilibrium and gradient relationship and the workload of numerical computation at same time.
    这类方法大大简化了人们在分析压电热弹性体耦合问题时通常要求解的非齐次微分方程和关于温度的平衡方程和导热方程的二阶微分方程的繁琐方法,同时,齐次状态方程的提出大大减少了数值计算的工作量。
    Assuming the semiconductor is linear and dispersive, consider the dielectric constant and the susceptibility in frequency, then use the auxiliary differential equation method, polarization can be written a second-order ordinary differential equation in time;
    讨论了在线性条件下,半导体材料存在色散时介电率的频域响应表达式,并据此给出极化率的频域响应表达式,运用辅助微分方程(ADE)法,将原来极化率的频域响应表达式转化为极化强度在时域的二阶微分方程;
    COMPARISON THEOREMS FOR LINEAR DIFFERENTIAL EQUATIONS OF SECOND ORDER
    二阶微分方程的比较定理
    A FOUR POINT BOUNDRY VALUE PROBLEM FOR NONLINEAR THIRD ORDER DIFFERENTIAL EQUATION
    非线性三阶微分方程的四点边值问题
    The Nonlinear Three Point Boundary Value Problem of Third Order Differential Equations
    三阶微分方程的非线性三点边值问题
    Existence and Uniqueness Theorems of Solutions for Second Order Integrodifferential Equations of Mixed Type in Banach Spaces
    Banach空间混合型二阶微分—积分方程解的存在唯一性定理
    Initial Value Problem for Nonlinear Second Order Differential Equations
    非线性二阶微分方程初值问题
    Unique Existence of the Solutions for the First Order Differential Equations in Banach Spaces
    Banach空间一阶微分方程解的存在唯一性
    Vibratility for Second Order Differential Equation with Piecewise Constant Arguments
    具有分段常数变元的二阶微分方程的振动性
    Periodic solutions for second order differential equations in Banach spaces
    Banach空间二阶微分方程的周期解
    Solution to Fractional Order Differential Equation f (α) (x)=λf+g
    分数阶微分方程f~(α)(x)=λf+g的一种新解法
    Existence and uniqueness of periodic solutions of nonautonomous differential equations of second order
    非自治二阶微分方程周期解的存在唯一性
    SYMPLECTIC MULTISTEP METHOD FOR SPECIALDIFFERENTIAL EQUATION OF THE SECOND ORDER
    特殊二阶微分方程的线性自治系统的辛多步法
    MAXIMAL AND MINIMAL SOLUTIONS OF TERMINAL VALUE PROBLEMS FOR DIFFERENTIAL EQUATIONS IN BANACH SPACES
    Banach空间一阶微分方程终值问题的解
    A singular nonlinear second order Neumann boundary value problem
    奇异非线性二阶微分方程Neumann边值问题
 

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