Comparing with passive filters , apf have many advantages , which are not easily affected by system impedance and can be used to dynamically compensate harmonic . apf will play an important role in eliminating harmonics 有源电力滤波器技术与无源滤波器技术相比，具有受电网阻抗影响小、能够动态补偿等优点，将在治理谐波污染方面发挥主导作用。
The compensation system will result in decreasing response time and improving compensation accuracy . the main controller based on the chip - microprocessor 80cl98 , and the model of dynamic compensation with inverse parallel rectifier diodes were taken 主控器以80c196单片机为系统核心，触发采用晶闸管反并联动态补偿模式，本文进行了系统硬件设计、软件设计。
In the inner - loop , a disturbance - observer is designed to compensate the surplus torque ; while in the outer - loop , a controller is designed to satisfy the desired performance specification . thirdly , based on the generalized disturbance compensating framework 根据上述分析,提出了基于扰动观测器补偿的双回路控制结构,在内回路设计扰动观测器用于动态补偿多余力矩,在外回路设计控制器以满足系统性能要求。
Dsp perform fast and accurate calucations , flexible program capability , and abundant peripheral functions , so applications of dsp in equipment of power quality dynamic compensation digital controls will be extensive . this paper presents control strategies based on dsp 本文重点探讨了电能质量动态补偿装置的结构、控制方法、并以dsp芯片tms320f240为主要的核心控制芯片设计了整个控制系统,能够满足我们对实时补偿的需求。
The mathematical model of the apf with proposed control method was found , and the according circuit was constituted . design example is given using a two - level ac - dc boost topology . a prototype of 500w was developed to demonstrate the performance of the apf with new control method 由于运用了单周控制理论，输入电流的补偿是在每一个开关周期之内完成，不存在a / d 、 d / a转换和运算延时； （ 3 ）响应快，因而具有很好的动态补偿性能。
According to the elaborate analysis on friction at home and abroad , a dynamic friction compensation method is proposed to compensate the system ’ s friction force at low velocity . a dynamic friction model is build and a friction observer is designed for ordinary position servo system 在对国内外研究现状进行深入分析的基础上，提出了系统低速运行时摩擦力的动态补偿方法，并针对常见的电液位置伺服系统建立摩擦模型、设计摩擦观测器。
The method combining digital filter and ship - dynamic compensation is used to realize the precise motion - target tracking on the condition of ship - motion which causes the target relative motion and the results coming from real system test prove the effectiveness 针对甲板运动所造成的目标的相对运动和牵连运动，采用数字滤波与动态补偿相结合的方案，实现了舰船摇摆情况下跟踪雷达对运动目标的精确跟踪，并经实践验证后装备于某型跟踪雷达。
2 . based on the multivariable frequency control theory , a multi - variable computer - aided design software is designed using visual basic 6 . 0 after decoupling the controller model , the precompensation matrix , the dynamic compensation matrix and the feedback matrix are obtained 二、以多变量频率域控制理论为基础，结合现代控制理论对该数学模型进行解耦设计，利用vb6开发了一个多变量系统的辅助设计软件，得到它的预补偿阵，动态补偿阵和反馈增益阵。
Abstract : the underground load characters in yinshan mine were analyzed . based on the technical features of various kinds of reactive compensation devices , it was proposed that low voltage capacitance dynamic compensation mode shall be adopted for compensating reactive power and lowering voltage fluctuation 文摘:对银山铅锌矿井下负荷性质进行了分析，根据各种无功补偿装置的技术特点，提出采用低压电容动态补偿方式对该矿井下无功进行补偿和降低电压波动。
Apf can achieve dynamic compensation for harmonics and reactive current , and the compensation performance is not affected by the impedance of power grid , it has advantages as follows , fast response , high controllability and adaptability , etc . brief illuminations of advantages and disadvantages are performed to various harmful current detecting methods and control techniques 它可实现对谐波和无功的动态补偿,其补偿特性不受系统阻抗的影响,具有响应快、可控性高、自适应性强等优点。本文对有源电力滤波器的各种谐波电流检测法及控制方法进行了简要的优缺点说明。
