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高增益观测器

高增益观测器的相关文献在2000年到2023年内共计82篇,主要集中在自动化技术、计算机技术、电工技术、航空 等领域,其中期刊论文67篇、会议论文6篇、专利文献2898259篇;相关期刊46种,包括东北大学学报(自然科学版)、同济大学学报(自然科学版)、系统工程与电子技术等; 相关会议6种,包括中国电工技术学会电力电子学会第十四届学术年会、2014电子机械与微波结构工艺学术会议、第29届中国控制会议等;高增益观测器的相关文献由211位作者贡献,包括姜长生、马克茂、朱芳来等。

高增益观测器—发文量

期刊论文>

论文:67 占比:0.00%

会议论文>

论文:6 占比:0.00%

专利文献>

论文:2898259 占比:100.00%

总计:2898332篇

高增益观测器—发文趋势图

高增益观测器

-研究学者

  • 姜长生
  • 马克茂
  • 朱芳来
  • 李颖晖
  • 李东海
  • 祝晓辉
  • 韩冬
  • 佟绍成
  • 凡永华
  • 刘新海
  • 期刊论文
  • 会议论文
  • 专利文献

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    • 林励; 陈晓文; 程智宾
    • 摘要: 为了提高永磁同步电机的速度控制性能,提出一种基于高增益转矩观测器的永磁同步电机滑模速度控制方法.首先,给出永磁同步电机的机械运动模型;接着设计了高增益转矩观测器,实时估计负载转矩;然后提出永磁同步电机滑模速度控制方法,并通过估计转矩对滑模速度控制策略进行前馈补偿,得到基于高增益转矩观测器的永磁同步电机滑模速度控制方法;最后在MATLAB/Simulink中进行仿真实验,验证了所提方法有效性.
    • 于洪亮; 王旭; 杨丹; 李维军
    • 摘要: 针对电网中链式静态同步补偿器(STATCOM)系统的非线性特性和不确定性,提出了一种基于高增益自适应观测器的链式STATCOM反步控制方法.针对STATCOM的输出电流值的估计,设计了一种基于神经网络高增益观测器,通过引入径向基函数(RBF)神经网络,对模型参数变化进行估计,通过反馈设计,对系统进行线性化处理,利用反步法实现电压控制器设计.结合李雅普诺夫的渐近稳定性理论,获得链式STATCOM输出无功电流的控制.仿真和实验结果进一步验证了控制方法的正确性和有效性.
    • 李翔; 朱真才; 沈刚; 汤裕
    • 摘要: 针对柔性罐道工况下双绳缠绕式煤矿深井提升系统运行过程中容器倾斜问题,提出了容器位姿调平控制方法.首先,分析了双绳缠绕式深井提升系统的组成及各组成部分的几何关系,考虑提升系统和浮动天轮液压系统非线性问题,建立双绳缠绕式深井提升系统容器位姿调平非线性控制模型;其次,由于煤矿深井提升环境恶劣,因此提升系统容器位姿反馈信号通过无线装置进行采集,考虑提升系统运行过程中控制量在钢丝绳中传递存在的不确定延时问题,构建了容器位姿调平主动控制矩阵模型,设计了控制信号传输延时补偿观测器,证明了包含延时补偿观测器的容器位姿调平主动控制模型的稳定性;然后,设计滑模控制器实现提升系统容器位姿调平控制,考虑到控制器设计过程中需要容器角度的微分信号,利用高增益观测器为滑模控制器提供光滑的角度微分信号,进而提高控制性能;最后,利用双绳缠绕式煤矿深井提升试验台对提出控制信号延时补偿观测器及容器位姿调平控制方法开展了实验验证,实验结果表明,反步和本文提出的控制器相对于PI控制器具有更优越的响应速度,而提出的控制算法由于添加了延时补偿观测器和高增益观测器,具有更好的控制效果,可以减小容器倾角的峰值与均值,保证双绳缠绕式煤矿深井提升系统的安全运行.
    • 王海涛; 宁礼佳; 魏艳秀
    • 摘要: 随着科技的发展,冲孔网的需求量日趋增多;冲裁速度控制系统是一个不稳定、非线性、强耦合的系统,很难保证冲孔速度的平稳性;在实际生产过程中,冲裁速度影响着冲孔成型质量,容易引起冲头磨损和断裂失效针对上述问题,提出了一种带高增益观测器的滑模控制策略.首先分析了冲孔工艺电液伺服控制系统原理,建立了数学模型,设计了一种基于电液伺服的滑模控制系统,引入高增益观测器对伺服系统速度进行预测控制.然后通过构造Lyapunov函数,证明了提出的控制策略可使系统以指数形式收敛趋于稳定性.通过Simulink建立滑膜速度控制系统仿真模型,仿真结果表明:带高增益观测器的滑模控制方法能够保证系统精准快速地跟踪速度信号,具有很好的控制性能,几乎无抖振.
    • 梁浩; 赵东亚; 赵通; 史子源
    • 摘要: 半潜式海洋平台动力定位系统中,针对海洋复杂的工作环境,为实现精准动力定位,控制器的设计是关键.传统的控制器设计大部分基于位置和速度均可测量这一假设,但在实际工程中,由于干扰和复杂工况的影响,速度信号难以被实时测量或精确测量.选用高增益观测器对速度信号进行状态估计,基于测量直接得到的海洋平台位置信号和状态估计间接得到的速度信号.利用滑模控制自身的强鲁棒和抗干扰特性,进行滑模控制器设计,并运用Lyapunov方法分析了系统的稳定性.MATLAB仿真结果表明,所设计控制器,能够实现半潜式海洋平台精准的动力定位和轨迹追踪控制.
    • 孔民秀; 陈正升; 刘明; 季晨
    • 摘要: 针对含柔性杆件并联机器人在高速运行时其末端存在弹性位移问题,以3RRR并联机器人为研究对象,提出一种基于积分流形与高增益观测器的柔性并联机器人轨迹跟踪复合控制算法.基于刚度矩阵引入小参数,将刚柔耦合动力学模型转为慢速与快速两个子系统.针对慢速子系统,采用反演控制,实现对末端刚体运动的跟踪控制,同时为避免杆件弹性变形与振动组成的弹性位移对机器人末端轨迹的影响,推导校正力矩,实现对弹性位移的补偿.针对快速子系统,采用滑模变结构控制,保证流形成立.为避免对曲率变化率的直接测量,引入高增益观测器对其进行估计.采用Lyapunov稳定性原理证明系统整体稳定性,并给出小参数上界.对提出的复合控制算法与奇异摄动及基于刚体动力学的反演控制算法进行仿真,从机器人末端振动抑制与轨迹跟踪性能两方面进行对比,验证了本文所提算法的控制效果.%In view of the problem that flexible displacement will occur for end-effectors of parallel manipulators when operating at a high speed,taking the 3RRR parallel manipulator as the object,the trajectory tracking composite controller based on the integral manifold and high-gain observer is proposed for flexible parallel manipulators.Based on the stiffness matrix,the small variable is introduced to decomposite the rigid-flexible coupling dynamic model of the parallel manipulator into slow subsystem and fast subsystem.For the slow subsystem,the backstepping control is applied for rigid motion tracking of the end-effector.To avoid the influence of the links' flexible displacement comprised of deformation and vibration on the end-effector's motion trajectory,the corrective torque is deduced,and the compensation for the flexible displacement is realized.For the fast subsystem,the sliding mode control is utilized to suppress the vibration.At the same time,the high gain observer is designed to avoid the measurement of curvature rate of the flexible links.Also,the stability of the overall system with the proposed method is proven with the Lyapunov stability theorem and the upper bound of the small variable is obtained.At last,the proposed composite controller together with the singular perturbation control and the rigid model based on backstepping control are simulated,and the vibration suppression and tracking accuracy performances are compared to validate the proposed control scheme.
    • 郭芳; 刘屿; 赵志甲; 罗飞; 邬依林
    • 摘要: To suppress the riser' s vibration and avoid the control spillover,based on the original infinitedimensional model of a flexible marine riser structure dynamically coupled with the time-varying internal fluid and ocean current,a boundary control was developed for the vibration reduction by applying the boundary control technique and high-gain observers.The stability of the control system and uniform boundedness of the closed-loop signals were strictly demonstrated by using the Lyapunov theory.The effectiveness of the proposed boundary control scheme was illustrated by some simulation results.%针对耦合时变内流和洋流动力学的海洋柔性立管系统,为有效抑制其振动和避免控制溢出问题,基于立管原始无限维模型,将边界控制技术与高增益观测器相结合,设计了边界控制器对立管振动进行主动控制,通过严格的数学分析,验证了控制作用下立管系统的稳定性和闭环系统状态的一致有界性.仿真结果验证了所设计边界控制算法对立管振动抑制的有效性.
    • 杨泽文; 贾鹤鸣; 宋文龙; 朱传旭; 周佳加; 李元
    • 摘要: In this paper, through the study of underactuated AUV in horizontal plane motion, according to the plane trajec-tory tracking control of AUV in nonholonomic constraints, the model of coupling and nonlinear, current interference and the accuracy of the tracking problem is studied, using high gain observer backstepping control method for underactuated AUV trajectory tracking control. The AUV ground coordinate system and the hull coordinate system are defined, and the conversion of the ground coordinate system to the hull coordinate system is complete. The kinematic model and dynamic model of the horizontal plane of the under actuated AUV are established. The underactuated AUV proposes a high gain observer backstepping control scheme, under the premise of ensuring the stability of the tracking system, can effectively improve the tracking accuracy, can eliminate the influence of interference on the control effect, and makes the control input to meet practical engineering constraints. In this paper, the stability of the control method is proved by Lyapunov stability theory. The effectiveness of the designed controller is verified by numerical simulation.%通过研究欠驱动自治水下机器人(AUV)在水平面的运动规律,针对欠驱动AUV水平面轨迹跟踪控制中的非完整约束、模型中的耦合性和非线性、海流干扰、跟踪精度问题进行了深入的研究,运用高增益观测器结合反步控制方法对欠驱动AUV轨迹跟踪进行有效控制.定义了AUV的地面坐标系和船体坐标系,并完成了地面坐标系向船体坐标系的转换,建立了欠驱动AUV的水平面运动学模型和动力学模型.为欠驱动AUV所提出的高增益观测器结合反步控制方案,在保证跟踪系统稳定性的前提下,可以有效地提高跟踪精度,能够消除外界干扰对控制效果的影响,并使得控制输入满足实际工程的应用约束条件.控制方法的稳定性均采用Lyapunov稳定性理论加以证明,并通过数值仿真验证了所设计控制器的有效性.
    • 朱良宽; 王沛煜; 王子博; 花军
    • 摘要: 中密度纤维板(Medium Density Fiberboard,MDF)作为木材综合利用率高的一种人造板材,其厚度精度决定了板材的力学性能,从而影响其质量.本文将连续热压机电液位置伺服系统作为被控对象,针对MDF板坯厚度控制问题,提出一种带高增益观测器的滑模控制策略.首先通过设计高增益观测器对系统输出的位置信号进行观测,将位置、速度及加速度信号的估计值返回滑模控制器,实现了无需速度、加速度测量的滑模控制,保证了观测误差一致最终有界.然后通过构造合适的Lyapunov函数,证明了所提出的控制策略不但能使系统指数渐近稳定,而且保证了跟踪误差的一致最终有界性.仿真实验结果表明,所提出的控制方法可以保证系统精准快速地跟踪位置信号,从而可以保证MDF获得良好的厚度精度.%Medium Density Fiberboard(MDF)is a kind of artificial board with high comprehensive utilization ratio of wood.Its thickness and precision determine the mechanical properties of the board,thus affecting its quality.In this paper,the continuous hot pressing electro-hydraulic position servo system is taken as the controlled object.Aiming at the problem of MDF slab thickness control,a sliding mode control strategy with high gain observer is proposed.A high gain observer is designed to observe the output position signal of the system,and the estimation of the position,velocity and acceleration signals is returned to the sliding mode controller.The sliding mode control without speed and acceleration measurement is realized,which ensures that the observation error is consistent.Then,by constructing the proper Lyapunov function,it is proved that the proposed control strategy can not only guarantee the exponential asymptotic stability of the system,but also guarantee the consistent boundness of the tracking error.The simulation results show that the proposed control method can ensure that the system can track the position signal accurately and quickly,which can ensure the MDF has good thickness and precision.
    • 孔民秀; 陈正升; 刘明; 季晨
    • 摘要: In view of the problem that flexible displacement will occur for end⁃effectors of parallel manipulators when operating at a high speed, taking the 3RRR parallel manipulator as the object, the trajectory tracking composite controller based on the integral manifold and high⁃gain observer is proposed for flexible parallel manipulators. Based on the stiffness matrix, the small variable is introduced to decomposite the rigid⁃flexible coupling dynamic model of the parallel manipulator into slow subsystem and fast subsystem. For the slow subsystem, the backstepping control is applied for rigid motion tracking of the end⁃effector. To avoid the influence of the links’ flexible displacement comprised of deformation and vibration on the end⁃effector’ s motion trajectory, the corrective torque is deduced, and the compensation for the flexible displacement is realized. For the fast subsystem, the sliding mode control is utilized to suppress the vibration. At the same time, the high gain observer is designed to avoid the measurement of curvature rate of the flexible links. Also, the stability of the overall system with the proposed method is proven with the Lyapunov stability theorem and the upper bound of the small variable is obtained. At last, the proposed composite controller together with the singular perturbation control and the rigid model based on backstepping control are simulated, and the vibration suppression and tracking accuracy performances are compared to validate the proposed control scheme.%针对含柔性杆件并联机器人在高速运行时其末端存在弹性位移问题,以3RRR并联机器人为研究对象,提出一种基于积分流形与高增益观测器的柔性并联机器人轨迹跟踪复合控制算法。基于刚度矩阵引入小参数,将刚柔耦合动力学模型转为慢速与快速两个子系统。针对慢速子系统,采用反演控制,实现对末端刚体运动的跟踪控制,同时为避免杆件弹性变形与振动组成的弹性位移对机器人末端轨迹的影响,推导校正力矩,实现对弹性位移的补偿。针对快速子系统,采用滑模变结构控制,保证流形成立。为避免对曲率变化率的直接测量,引入高增益观测器对其进行估计。采用Lyapunov稳定性原理证明系统整体稳定性,并给出小参数上界。对提出的复合控制算法与奇异摄动及基于刚体动力学的反演控制算法进行仿真,从机器人末端振动抑制与轨迹跟踪性能两方面进行对比,验证了本文所提算法的控制效果。
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