提出一种统一定点坐标变换和基于该变换的有源电力滤波器零稳态误差电流控制方法。
Unified fixed point coordinate transformation (UFP-CT), and a novel zero steady-state error current control method for active power filter (APF) based on UFP-CT were proposed.
该检测器通过两个滤波器分别控制检测器的收敛速度和稳态性,并在最小均方误差的准则下调整权值比例。
The convergence speed and misadjustment can be controlled separately using a complementary pair filters. And under the criterion of the least mean square error, the proportion of weight is adjusted.
理论和仿真表明,系统可检测电路稳态和暂态谐波,且缩短了动态响应时间,改善了滤波器的跟踪性能。
The theoretic and simulative results show that the pro-posed system can detect the steady and transient harmonics with shorter dynamic response time and better tracing performance of filter.
因此首先对串联型有源电力滤波器进行了稳态分析,建立了系统的等效电路。然后,根据等效电路提出了一套基于稳态分析的功率电路设计方法。
The steady state analysis of SAPF is presented and its equivalent circuit is given, based on which a set of design method for power circuit of SAPF is brought out.
通过计算,选择符合电压谐波畸变标准的交流滤波器,并进行各元件的稳态额定值的计算。
Through the calculation, the filters have been selected corresponding with voltage harmonic distortion standard. And the steady state rating of the parameters are calculated.
为保证电力有源滤波器的稳态指标,对状态反馈后的系统设计了重复控制器。
Repetitive controller also is designed out of state feedback control loop to improve static performance of APF.
为保证系统的稳态控制效果,最终选用均值滤波器,并指出其动态特性的不足需要其它控制方法予以弥补。
The design and realization processes of digital notch filter, low -pass filter and mean filter are presented, and their characteristics are analyzed and compared.
然后根据离散时间双稳态系统,设计了处理常值二进制信号的接收器结构,在一些非高斯噪声下对接收器的检测性能与匹配滤波器进行了比较分析。
The receiver structure based on discrete-time bistable system is designed for the constant binary signal detection, and it is compared with the matched filter in some cases of non-Gaussian noise.
然后根据离散时间双稳态系统,设计了处理常值二进制信号的接收器结构,在一些非高斯噪声下对接收器的检测性能与匹配滤波器进行了比较分析。
The receiver structure based on discrete-time bistable system is designed for the constant binary signal detection, and it is compared with the matched filter in some cases of non-Gaussian noise.
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