液压动力元件起着向系统提供动力源的作用,是系统不可缺少的核心元件。液压系统 是以液压泵作为系统提供一定的流量和压力的动力元件,液压泵将原动机(电动机或内燃机) 输出的机械能转换为工作液体的压力能,是一种能量转换装置

一、液压传动的定义 一部完整的机器由原动机部分、传动机构及控制部分、工作机部分(含辅助装置) 组成。原动机包括电动机、内燃机等。工作机即完成该机器之工作任务的直接工作部分, 如剪床的剪刀、车床的刀架等。由于原动机的功率和转速变化范围有限,为了适应工作 机的工作力和工作速度变化范围变化较宽,以及性能的要求,在原动机和工作机之间设 置了传动机构,其作用是把原动机输出功率经过变换后传递给工作机

第一节梯形图的特点及绘制原则 第二节PLC程序设计方法 第三节顺序控制设计方法中梯形图的编程方式

18.1 Special Architectures Pipelining. Parallel Processing. Retiming. Unfolding. ia Folding Transformation Look-Ahead Technique. Associativity Transformation. Distributivity Arithmetic Processor Architectures. Computer-Aided Design. Future VLSI DSP Systems Keshab K. Parhi 18.2 Signal Processing Chips and Applications University of Minnesota System. Implementation of a Finite Impulse Response Filter with Rulph Chassaing the TMS320C25. Floating-Point TMS320C30-Based Development Roger Williams University

17.1 Digital Image Processing Image Capture. Point Operations Image Enhancement. Digital Purdue University Image Compression. Reconstruction. Edge Detection.Analysis Charles A.Bouman and Computer Vision Purdue University 17.2 Video Signal Processing Sampling. Quantization. Vector Quantization.Video Sarah A. Rajala Compression Informatin Preserving Coders.Predictive North Carolina State University Coding. Motion-Compensated Predictive Coding- Transform Coding. Subband Coding HDTV. Motion Estimation N.K.Bose

16.1 Spectral Analysis State University of New York Historical Perspective. Modern Spectral Analysis at Buffalo 16.2 Parameter Estimation Dimitri Kazakos Louisiana Estimation Schemes 16.3 Kalman Filtering Fred Daum Kalman Filter Equations.Kalman Filter Examples.Extended Kalman Raytheon Company

Yariv Ephraim ATeT Bell Laboratories George Mason University Jesse W.Fussell General Approaches. Model Adaptation. Analysis-by-Synthesis. Department of Defense Particular Implementations. Speech Quality and Intelligibility Standardiza Variable Rate Coding. Summary and Conclusions Lynn D. Wilcox FX Palo Alto Lab

14.1 Fourier Transforms Introduction. The Classical Fourier Transform for CT Signals. ion of CT Periodic Signals.Generalized T Fourier Transform.Relationship e Fourier Transform 14.2 Fou er Transform lationship to the Finite Time W. Kenneth Jenkins University of Illinois Amplitude,and Phase Alexander D. Poularikas

or Circuit analysis and Design gregory rollins uction. DC(Steady-State) Analysis. AC Analysis. Transient Process and device simulation Process simulation associates. Inc. Peter Bendix 13.2 Parameter Extraction for Analog Circuit Simulation Introduction. MOS DC Models. BSIM Extraction Strategy in LSI Logic Corp

12.1 Introduction 12.2 Using the State of the System to Determine Stability 12.3 Lyapunov Stability Theory Ferenc Szidarovszky 12.4 Stability of Time-Invariant Linear Systems University of Arizona