predictive error meaning in English
预定误差
Examples
- Solution of network - induced delay using gpc with predictive error compensation
的网络控制系统时延补偿的研究 - The main innovations of this dissertation are summarized as follows : bring forward respectively coding the magnitude and sign of the predictive error of ll subband , which can combined some existing wavelet image codec to improve result
在许多改进和创新下，提出的两种嵌入式图像压缩算法相比于各种流行的小波编码器，取得了很好的性能，有了较大的突破。 - First , calculating time delay and embedding dimension to reconstruct phase space . second , based on chaos theories , the artificial neural network is used to build one - step and multi - steps predictive model . third , combining with an adaptive filter , predictive error is processed so that weak signal is extracted from strong chaotic noise
研究的内容分为三个方面: ( 1 )确定嵌入维数和延迟时间重构相空间; ( 2 )将混沌理论与人工神经网络结合,建立混沌时间序列(混沌背景)的一步与多步预测模型; ( 3 )结合自适应信号分离器对预测误差进行处理达到检测微弱信号的目的。 - With pseudorandom binary sequence as inspiriting signal , feedback data is collected and time - domain and frequency - domain characteristic of the steering gear is analyzed . according to the results , system delay is determined . applying predictive error identification method , by comparing the different order model , model structure and parameters of the steering gear is determined
以伪随机二进制序列为激励信号,收集了反馈数据;利用收集的数据,对舵机进行了时域和频域特性分析;并以此为参考,确定了系统的延时量,应用预报误差的辨识方法,通过不同阶次模型间的比较,从而确定了舵机模型结构及参数。 - ( 2 ) wavelet networks are introduced to gpc . several nonlinear gpc algorithms based on wavelet networks are given : a nonlinear gpc base on predictive error compensation is designed , in which wavelet network is used to model the predictive error ; a new structure of multi - step predictive controller is constructed in which wavelet networks are used to identified the nonlinear directly ; a single - step predictive controller is given , in which a wavelet networks are used to estimate the parameters of the linear time - varying system . ; an a implicit gpc for nonlinear system is presented , in which wavelet networks are used to estimated the time - varying parameters of the generalized predictive controller
( 2 )将小波网络与非线性广义预测控制相结合，设计了多种基于小波网络的非线性广义预测控制：考虑到建模误差对多步预报的影响，引入小波网络估计预报误差，对输出预报进行修正，提高了控制性能且不影响系统的稳定性；利用小波网络构造多步预测器，设讨了非线性系统多步预测控制算法；利用小波网络逼近非线性系统广义预测控制器的时变参数，设计了非线性系统隐式广义预测控制器；利用小波网络辨识时变系统参数并直接用于构造控制器，设计了非线性系统单步预测控制算法。