| 1. | The effects of nonlinear damping and force source term on blowing - up of the solution were analyzed with an energy - compensation method 用补偿能量的方法研究了非线性阻尼项和力源项对解的爆破行为的影响。 |
| 2. | Some new sufficient conditions for all the solutions of the nonlinear damped the second order difference equations ( 1 ) to be oscillations are given 摘要本文给出了二阶非线性阻尼差分方程(方程式略)一切解均为振动的若干新的充分条件。 |
| 3. | Moreover , nonlinear damping is injected in a variable structure mode so as to accelerate the rate of convergence as well as to avoid current noise being magnified 该控制律以变结构的方式注入非线性阻尼,以加速系统的收敛,并防止放大电流噪声。 |
| 4. | For the klein - gordon equation with nonlinear damping and source terms , our purpose is , first , to obtain the local existence theorem and the continuation principle with p 2 ( ( n - 1 ) / ( n - 2 ) ) 对于含非线性阻尼和源项的klein - gordon方程,先有局部存在定理和连续性原理。 |
| 5. | More precisely , we consider the existence time for a kind of the semilinear schrodinger equation , and the - existence of a solution of the initial boundary value problem for the klein - gordon equation with nonlinear damping and source terms ) dinger方程解的存在时间的估计和一类含非线性阻尼和源项的klein - gordon方程初边值问题解的存在性。 |
| 6. | This paper proves the existence and uniqueness of the local generalized solution of a nonlinear damped hyperbolic equation with the initial boundary value conditions and gives the sufficient conditions of blow - up of the solution of this problem 摘要本文证明一具有阻尼非线性双曲型方程初边值问题局部广义解的存在性和唯一性,并给出此问题解爆破的充分条件。 |
| 7. | The motion of a type of nonlinear damped oscillation is analyzed to resort the method of numerical analysis , and compared it with the motion of the linear damped oscillation 摘要用数值分析方法分析一类非线性阻尼振动问题,与线性阻尼振动进行比较,得到非线性阻尼振动状态每次过= 0位置的时刻稍后于线性阻尼振动状态。并分析了将非线性阻尼振动当作线性阻尼振动的条件。 |
| 8. | For a kind of dynamic uncertain systems , basing on backstepping scheme and combining variable structure and nonlinear damping approach , this paper sufficiently considers unmodeled dynamics and disturbances in the input - output channel 本文针对一类动态不确定系统,基于backstepping设计策略,结合变结构控制与非线性damping方法,充分考虑了系统的未建模动态与输入输出通道有干扰的情况 |
| 9. | Using the cogent validity of backstepping " s solving parametric - strict - feedback nonlinear systems , xinghuo yu and wu yuqiang ( 1998 ) solved the output - tracking problem of a kind of linear time varying system by combining nonlinear damping method and variable structure scheme . in this dissertation , we sufficiently consider the effect of disturbances in the input channel basing on the same model Xinghuoyu和yuqiangwu ( 1998 )针对一类线性时变系统的输出跟踪问题,基于back飞tepping设计机制,将带有非线性dallpipg项的设计方法与变结构控制方法相结合,给出了一种新的非线性控制器设计方法 |
| 10. | Utilizing backstepping procedure , general expression of control strategy for hvdc converters is acquired . the control strategy can restrain the nonlinear uncertainty through injection of nonlinear damping terms in virtual controllers . the proposed decentralized adaptive control scheme guarantees that all the signals in the closed - loop system are bounded in the presence of high order interconnections and bounded disturbances 设计中引入自适应非线性阻尼项来抑制系统非线性不确定参数和未知有界干扰的影响,同时采用反演设计方法来克服控制器设计的复杂性,最后获得高压直流输电系统换流站的分散鲁棒自适应控制策略的一般表达式,并提供了整个系统的稳定性证明。 |