The continuous progress in modern power device technology is increasingly supported by power-specific modeling methodologies and dedicated simulation tools. These enable the detailed analysis of operational principles on the the device and on the system level; in particular, they allow the designer to perform trade- off studies by investigating the operation of competing design variants in a very early stage of the development process. Furthermore, using predictive computer simulation makes it possible to analyze the device and system behavior not only under regularoperatingconditions, but also at the rim of the safe-operatingarea and beyond of it, where destructive processes occur that limit the lifetime of a power system.
標(biāo)簽： POWERHVMOS_Devices_Compact_Modeli ng
上傳時(shí)間： 2020-06-07
上傳用戶(hù)：shancjb
To a quantum mechanic the whole universe is one godawful big interacting wavefunction ? but to the rest of us, it’s a world full of separate and distinguishable objects that hurt us when we kick them. At a few months of age, human children recognize objects, expect them to be permanent and move continuously, and display surprise when they aren’t or don’t. We associate visual, tactile, and in some cases audible and olfactory sensations with identifiable physical things. We’re hardwired to understand our environment as being composed of separable things with specific properties and locations. We understand the world in terms of what was where when.
上傳時(shí)間： 2020-06-08
上傳用戶(hù)：shancjb
This document provides general hardware and layoutconsiderations and guidelines for hardware engineersimplementing a DDR3 memory subsystem.The rules and recommendations in this document serve as aninitial baseline for board designers to begin their specificimplementations, such as fly-by memory topology.
標(biāo)簽： ddr3
上傳時(shí)間： 2021-11-21
上傳用戶(hù)：
CPCI_E標(biāo)準(zhǔn)規(guī)范 CompactPCI? Express SpecificationThe documents in this section may be useful for reference when reading the specification. The revision listed for each document is the latest revision at the time this specification was published. Newer revisions of these documents may exist, so refer to the newest revision. Many of these documents are referenced throughout this specification. Refer to the newest revision of the document unless a specific revision is referenced. ? PCI Express Base Specification 3.0. PCI Special Interest Group (PCI-SIG). ? PCI Express Card Electromechanical (CEM) Specification 3.0. PCI Special Interest Group (PCI-SIG). ? PCI Express to PCI/PCI-X Bridge Specification, Rev. 1.0. PCI Special Interest Group (PCI-SIG). ? PCI Express Jitter White Paper. PCI Special Interest Group (PCI-SIG). ? PCIe Rj Dj BER White Paper. PCI Special Interest Group (PCI-SIG). ? PHY Electrical Test Specification for PCI Express Architecture. PCI Special Interest Group (PCI SIG). ? System Management Bus (SMBus) Specification, Version 2.0. Smart Battery System Implementer’
標(biāo)簽： CPCIE
上傳時(shí)間： 2022-02-23
上傳用戶(hù)：
SCB10H series pressure elements are high performance absolute pressure sensors. The sensors are based on Murata's proven capacitive 3D-MEMS technology. They enable exceptional possibility for OEM customers to integrate pressure measurement function in an optimal way into their products. SCB10H series elements can be designed to match the application specific pressure range. It is a bare capacitive sensor element that enables optimized application specific package and electronics design.
標(biāo)簽： 傳感器
上傳時(shí)間： 2022-03-03
上傳用戶(hù)：
本文提出基于AD2S1210的旋變信號(hào)轉(zhuǎn)換電路,給出了具體的電路實(shí)現(xiàn)方法和配置方法.相比以往的RDC方案,本系統(tǒng)具有精度高,設(shè)計(jì)靈活,可靠性高等特點(diǎn),可廣泛應(yīng)用于各種伺服系統(tǒng)中.In this paper, the switching signal conversion circuit based on ADS1210 is proposed, and the specific circuit implementation and configuration method are given. Compared with the previous RDC scheme, this system has the characteristics of high precision, flexible design and high reliability, and can be widely used in various servo systems.
標(biāo)簽： ad2s1210
上傳時(shí)間： 2022-05-04
上傳用戶(hù)：
Mathematical modeling has become an important part of the research and devclopment work in engineering and scicnce. Retaining a competitive edge requiresa fast path between ideas and prototypes, and in this regard mathematical modeling and simulation provide a valuable shortcut for understanding both qualitative and quantitative aspects of scientific and engineering design. To assist you in gaining this edge, COMSOL Multiphysics offers state-of-the art performance, being built from the ground up with a Java3D interface and C/C++ solvers.The Acoustics Module is an optional package that extends the COMSOL Multiphysicsmodcling cnvironment with customized user interfaces and functionality optimizcd for the analysis of acoustics. Like all modules in the COMSOL family, it provides a brary of prewritten ready-to-run models that make it quicker and casier to analyze disciplinc-specific problcms.
上傳時(shí)間： 2022-06-19
上傳用戶(hù)：
一、DeviceNet概述DeviceNet 規(guī)范由Rockwell 自動(dòng)化公司開(kāi)發(fā)，并將其作為一個(gè)基于 CAN協(xié)議的開(kāi)放式現(xiàn)場(chǎng)總線標(biāo)準(zhǔn)而公布。最初的 DeviceNet產(chǎn)品在1995年初出現(xiàn)。DeviceNet協(xié)議特別為工廠自動(dòng)控制而定制，它在美國(guó)和亞洲扮演了非常重要的角色。在歐洲，越來(lái)越多的系統(tǒng)方案使用 DeviceNet來(lái)實(shí)現(xiàn)。ODVA（Open DeviceNet Vendor Association）是所有DeviceNet產(chǎn)品開(kāi)發(fā)者的組織，它成立于 1995年，并獲得了Rockwell 自動(dòng)化公司所有知識(shí)產(chǎn)權(quán)的轉(zhuǎn)讓。該組織按照公司的原則進(jìn)行運(yùn)作，并確保所有成員都有同等的發(fā)言權(quán)。它負(fù)責(zé)DeviceNet標(biāo)準(zhǔn)的制定和更新。此外，ODVA還致力于DeviceNet在全球的推廣和市場(chǎng)化。開(kāi)發(fā)基于DeviceNet的產(chǎn)品必須遵循 DeviceNet規(guī)范。DeviceNet規(guī)范分Volume 1，Volume Il兩部分。用戶(hù)可以從ODVA協(xié)會(huì)尋找關(guān)于 DeviceNet開(kāi)發(fā)源代碼的信息：基于 CAN-bus的硬件則可以從 PHILPS.Intel等半導(dǎo)體供貨商那里獲得
標(biāo)簽： devicenet協(xié)議
上傳時(shí)間： 2022-06-26
上傳用戶(hù)：
MotioninterfaceTM is becoming a "must-have"function being adopted by smartphone and tablet manufacturers due to the enormous value it adds to the end user experience. In smartphones, it finds use in applications such as gesture commands for applications and phone control, enhanced gaming, augmented reality, panoramic photo capture and viewing, and pedestrian and vehicle navigation. With its ability to precisely and accurately track user motions, MotionTracking technology can convert handsets and tablets into powerful 3D intelligent devices that can be used in applications ranging from health and fitness monitoring to location-based services. Key requirements for Motionlnterface enabled devices are small package size, low power consumption, high accuracy and repeatability, high shock tolerance, and application specific performance programmability-all at a low consumer price point.
標(biāo)簽： mpu6050
上傳時(shí)間： 2022-07-06
上傳用戶(hù)：zhaiyawei
Agenda■Motor Types Overview■BLDC Motor Applications■Comparison of DC to Brushless DC Motors■Hall Sensors■Six-Step Commutation■Sensorless Commutation with Back-EMFVector Motor Control basicsClosed-Loop Speed Control■Introduction to BLDC Motor Control Evaluation Kit■SummaryAll the popular motor types have their specific applications, and all can be controlled with microcontrollers.We wll talk about Brushless DC motors as it is the fast growing motor type today.Motors used in modern Air conditioners, home appliances, tools, even electric bikes are all going to Brushless DC.
標(biāo)簽： bldc 電機(jī)驅(qū)動(dòng)
上傳時(shí)間： 2022-07-07
上傳用戶(hù)：
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