| 1. | Effects of time delayed velocity feedbacks on self - sustained oscillator with excitation
时滞速度反馈对强迫自持系统动力学行为的影响 |
| 2. | Negative mode velocity feedback was adopted and the control voltage applied to each piezoelectric element acting as actuator was calculated to control the vibration of the beam
采用模态速度负反馈进行回馈控制，以此计算出各个作为致动器的压电片的控制电压，以抑制悬臂梁的振动。 |
| 3. | In this system , the closed loop is composed of velocity measurement machine used as velocity feedback and coder used as position feedback , the feed - forward signal of ship swaying is measured by rate gyro
该系统用测速机构成闭环，作速度反馈，编码器作位置反馈，速率陀螺测量并前馈舰船摇速度信号。 |
| 4. | Some effective methods are presented to eliminate the extra force in this dissertation , such as integral detached pid control , position synchronous compensation , and velocity feedback
为了达到用户要求的指标，文章中采取了一些方法有效地减小了多余力。比如积分分离的pid控制、位置同步补偿和速度补偿的方法。 |
| 5. | At last , the stability switches of equilibrium and the global diagrams of bifurcation for a duffing oscillator with both delayed velocity feedback and delayed displacement feedback are studied by using the similar method as above
最后，研究了时滞位移反馈与时滞速度反馈联合作用下duffing系统的平衡点的稳定性切换及全局hopf分叉。 |
| 6. | In order to solve this problem , we propose memory force , position and velocity feedback control method . the system can achieve good performance using this method and feedback parameters always exist
考虑到这种方法的可解性并不是太强，在此基础上，本文还提出用带记忆的力反馈控制方法，使得系统稳定、透明性良好，而且系统参数易解。 |
| 7. | In part iv , time forward observer is used to predict states of the slave . moreover , force , position and velocity feedback is proposed to design the system . feedback parameters are solved through linear matrix inequalities
第四部分提出用时间前向观测器预测从手状态，用力、位置和速度反馈消除或减小时延对系统影响的方法，并对反馈参数的设计进行分析。 |
| 8. | The system has two closed loops . one is velocity feedback , the other is absolute position feedback . because of the time lag in the system , smith arithmetic for compensating time lag was used in the system
Adcm采用速度反馈和绝对位置反馈两种反馈控制方式，从而组成了一个双闭环控制结构；针对系统中存在的时滞现象，运用了时滞补偿控制smith算法，使系统性能得到进一步优化。 |
| 9. | First of all , the method of fredholm alternative is used to obtain the approximate solution of the first order for the bifurcating periodic solutions of a nonlinear system with delayed velocity feedback . the bifurcation direction and the stability of the bifurcating periodic solution are also determined
首先，用fredholm择一方法分析了一具有时滞速度反馈的非线性振动系统的hopf分叉，得到了局部分叉周期解的近似表达式，确定了分叉解的分叉方向及稳定性。 |
| 10. | Firstly , for the intelligent structure ' s active bars , a constant output velocity feedback control law is dissipation energy due to control action and the optimal mathematical model with the reliability constraints on dynamic stress and displacement was built
以直接输出速度反馈作为闭环控制律，基于最大耗散能准则，建立了以主动杆配置位置和控制系统增益为设计变量，具有动力响应(应力响应和位移响应)可靠性约束的压电智能桁架结构主动杆优化配置的数学模型。 |
