搜索结果: 1-15 共查到“机械工程 The application”相关记录23条 . 查询时间(0.14 秒)
Bi-Directional Vector Variable Gain Amplifier for an X-Band Phased Array Radar Application
variable gain phased array complex gain bi-directional amplifier quadrature
2014/12/8
This thesis presents the design, layout, and measurements of a bi-directional amplifier with variable vector (in-phase / quadrature) gain control that will be part of an electronically steered phased ...
A Solution Domain Boundary Analysis Method and Its Application in Parameter Spaces of Nonlinear Gear System
control parameter space solution domain boundary analysis
2011/8/4
Mastering the influence laws of parameters on the solution structure of nonlinear systems is the basis of carrying out vibration isolation and control. Many researches on solution structure and bifurc...
Modeling Method of Automotive Body CAN/LIN Nets Application Protocol Based on Object-oriented Colored Petri Net
automotive body CAN/LIN bus information sharing
2011/8/4
Recently automotive nets are adopted to solve increasing problems in automotive electronic systems. Technologies of automotive local area network from CAN and LIN can solve the problems of the increas...
A Solution Domain Boundary Analysis Method and Its Application in Parameter Spaces of Nonlinear Gear System
control parameter space solution domain boundary analysis
2011/8/4
Mastering the influence laws of parameters on the solution structure of nonlinear systems is the basis of carrying out vibration isolation and control. Many researches on solution structure and bifurc...
Application of a Novel Method for Machine Performance Degradation Assessment Based on Gaussian Mixture Model and Logistic Regression
performance degradation assessment Gaussian mixture model logistic regression
2011/8/4
The currently prevalent machine performance degradation assessment techniques involve estimating a machine's current condition based upon the recognition of indications of failure features, which enta...
Application of artificial neural network and wavelet transform for vibration analysis of combined faults of unbalances and shaft bow
Rotor test rig Rotor faults vibration analysis, unbalance
2010/9/26
The vibration analysis of rotating machinery can give an indication of the condition of potential faults such as unbalance, bent shaft, shaft crack, bearing clearance, rotor rub, misalignment, loosene...
Application of He's amplitude - frequency formulation for periodic solution of nonlinear oscillators
Nonlinear Oscillators He’s Amplitude-Frequency Formulation
2010/11/25
In this paper, a powerful analytical method, called He’s amplitude-frequency formulation (HAFF) is used to obtain a periodic solution of nonlinear oscillators differential equation that governs the os...
Permeable Steel and Its Application in Plastic-Injection Mould
powder metallurgy permeable steel plastic-injection mould venting system
2011/8/3
The gas in plastics mould has great influence on performance, appearance and lifespan of the injection molded parts. Venting channel and its appendix system should be used for gas exhausting in genera...
Application of Hot Forming High Strength Steel Parts on Car Body in Side Impact
hot forming high strength steel lightweight side impact car body
2011/8/3
Lightweight structure is an important method to increase vehicle fuel efficiency. High strength steel is applied for replacing mild steel in automotive structures to decrease thickness of parts for li...
Application of a perfectly matched layer boundary condition to finite element modeling of elastic wave scattering in cracked plates
perfectly matched layer finite element modeling elastic waves plates
2010/9/27
This paper investigates the applicability of a displacement-based, Finite Element (FE) implementation of a time-domain, split-field Perfectly Matched Layer (PML) formulation to numerical modeling of e...
Application of Exp/imp finite difference for nonlinear heat transfer fin effect of nonlinearities of fin efficiency
nonlinear heat fin implicit scheme
2010/9/27
This paper deals with the transient analysis of a general nonlinear fin subjected to nonlinear boundary conditions. It aims at finding a simple way for the solution of this relatively complicated prob...
Application of statistical methods at copper wire manufacturing
methodology six sigma process of improvement measurement of the company processes
2009/10/23
Six Sigma is a method of management that strives for near perfection. The Six Sigma methodology uses data and rigorous statistical analysis to identify defects in a process or product, reduce variabil...
RESEARCH OF THE POSSIBILITY OF APPLICATION OF VECTOR QUANTISATION METHOD FOR EFFECTIVE PROCESS CONTROL OF ROCKS DISINTEGRATION BY ROTARY DRILLING
vibro-acoustic signal rotary drilling identification
2009/10/23
The subject of the paper is investigation of the properties of concurrent vibro-acoustic signal in the process of
rock massif separation with the method of rotary drilling. The aim is to investigate ...
Diffusion Welding Under Protective Gas Atmosphere and its Application
Diffusion welding argon gas
2009/10/14
In this study, di usion welding technique was applied to pure copper and aluminium in argon gas. An experiment set has been designed and series of experiment have been performed. In order to investiga...
On the Application of von Mises' Yield Criterion to a Class of Plane Strain Thermal Stress Problems
Thermoelastoplasticity Nonlinear strain hardening von Mises' criterion Residual stresses
2009/10/10
A computational model is developed to estimate thermal stresses in nonlinearly hardening elastic-plastic axisymmetric systems in cylindrical polar coordinates. The model is based on von Mises' yield c...