A Survey on Stability for the Elastic Systems with Local Viscoelasticity or Pointwise Feedback Force 具有粘弹性阻尼结构或点反馈的弹性系统稳定性综述
The elastic plate with damping and dynamical boundary feedback controls was studied. 研究了具阻尼及动态边界条件的弹性板的指数可稳定性。
In order to trace the tip angle trajectory precisely and suppress the elastic vibration in movement, a strain feedback PID controller was designed based on the theory of quadratic optimum control in frequency-domain. 设计了基于频域内二次最优控制理论的应变反馈PID控制器,实现对柔性机械臂末端运动轨迹的精确跟踪控制,同时抑制机械臂的弹性振动。
The paper studies the synthesis method of active control system for the slender elastic vehicle. A new theory and calculation procedure, which are applied both to design the constant output feedback gain and to position the actuators and sensors at same time, are discussed in detail. 本文研究细长体飞行器主动控制系统综合设计方法,给出常增益输出反馈律和传感器、控制面位置综合设计理论及计算过程。
In this paper, the author discusses robot-ultrasonic vibration polishing with elastic tool based on force feedback, establishes the mechanics model of robot polishing. 对基于力反馈的机器人超声振动弹性研磨进行了研究,建立了机器人研磨加工过程中的力学模型。
Then method of qualitative analysis of dynamic coupling of elastic vehicles is proposed, and proper design of active feedback control choose of positions of control surface and gyro are studied from the point of view for efficient suppression of elastic vibrations of flight vehicles. 而后对弹性飞行器的动态耦合特性提出了定性的分析方法。并从有效抑制飞行器的弹性振动角度,研究了主动反馈控制、操纵面及陀螺位置的合适选择的协同设计问题。
Study of Robot Ultrasonic Vibration Polishing with Elastic Tool Based on Force Feedback 基于力反馈的机器人超声振动弹性研磨的研究
In order to resist system's elastic vibration caused by high speed motion, a kind of control algorithm based on acceleration feedback of active joints is also proposed. 基于机器人驱动关节加速度反馈控制,抑制因系统高速运动引起的弹性振动。
It is shown that the equivalent force responses subjected to step equivalent force commands have zero steady-state error for linear elastic structures, and the feedback control loop is stable since all parameters in the system are positive. 研究表明:对于线弹性结构试验,反馈控制系统在单步阶跃等效力命令输入下的响应没有稳态误差;当系统中各参数均选正值时,控制系统的稳定条件总能满足。
Precise elastic parts are widely used as sensitive parts to gain feedback signals in the controlling instrument such as electro-hydraulic servo valve or the navigation system such as flexibleness gyro in the field of astronavigation, navigation and aviation. 在航天、航海、航空领域常用的控制器件电液伺服阀和导向器件挠性陀螺中广泛地使用精密弹性元件作为力敏单元获得反馈信号。