Test and Measurement

Data Acquisition Toolbox renders functions to get in touch MATLAB® to data acquisition components. The tool kit could handle a wide range of DAQ components, such as USB, PCI, PCI-Express®, PXI, and PXI-Express gadgets, from National Equipment, Statistic Processing, Advantech, Data Interpretation, and other companies.

With the tool kit developer could set up data acquisition components and read data into MATLAB and Simulink® for straightaway research. Developer could also send out data over analog and electronic result programs provided by data acquisition components. The tool kit comprises functions for managing analog feedback, analog result, counter/timer, and electronic developer/O subsystems of a DAQ system. Developer could accessibility device-specific functions and connect data obtained from multiple gadgets.

开发人员评估数据,开发人员可以得到它or save it for post-processing. Developer could also improve assessments and make repetitive up-dates to the evaluate installation based on research results. Simulink blocks comprised in the tool kit let developer flow live data immediately into Simulink designs, helping developer to confirm and examine the designs against live calculated data as part of the style confirmation process.

Key Features of Data Acquisition Toolbox

Support for a wide range of industry-standard data acquisition boards and USB modules

Support for analog feedback, analog result, counter tops, electronic timers, and electronic developer/O

Direct entry to current, current, IEPE accelerometer, and thermocouple measurements

直播将计算的数据立即进入MATLAB或SIMULINK

Hardware and application activates for control of data acquisition

Device-independent application interface

Supported Hardware Devices and Vendors

数据采集​​工具箱可以从多家公司（例如Advantech，统计处理和全国设备）处理与PC兼容的数据采集硬件。该工具套件还可以处理Microsoft®Windows®适当的音频卡。此外，它适用于通过第三方适配器的多家数据采集公司的硬件。查看有关支持的第三方设备的更多数据。

如果开发人员使用各种硬件进行性能，则该工具套件使使用所有支持的硬件（例如口味量，诱导配置和路线质量）的典型平台质量。使用这些素质可以鼓励使用价值并减少在开发人员修改硬件时修改价值的要求。该工具套件还允许开发人员从MATLAB访问硬件的设备特定功能。

To try things out with hardware and gather data interactively, developer could perform tool kit functions from the MATLAB control line. Developer could also make MATLAB programs or perform with live data in Simulink designs.

Making Dimensions with DAQ Hardware

Data Acquisition Toolbox allows developer make a wide range of measurements immediately from MATLAB without the require to turn the data. To the highest degree data acquisition hardware renders the typical ability to turn analogue current data to a electronic indication that a computer could procedure. Some data acquisition hardware has extra abilities that allow for gathering and processing data immediately from RTD devices, thermocouples , mics, IEPE accelerometers, bridge-based receptors or current-based receptors. To assist in creating measurements immediately from MATLAB, Data Acquisition Toolbox could handle the following measure types:

Voltage - Data from typical objective A/D cards and audio card producing devices

目前从current-based受体——数据,as 4-20 mA receptors widely employed for procedure control

IEPE accelerometer - Data from IEPE accelerometers that require a continuous excitation present Toolbox on the same cable on which developer evaluate the acceleration

IEPE micro-ordinateur - Data from IEPE mics that require a continuous excitation present Toolbox on the same cable on which developer evaluate the audio pressure

热电偶和RTD-按摄氏摄氏度，F或开尔文计算的数据

Bridge-based indicator - Data from resistive receptors, such as stress functions in a wide range of link adjustments that require an excitation voltage

处理收购

Data Acquisition Toolbox could handle a variety of features for determining the acquisition. For illustration, developer could set occurrence data, assess acquisition position, determine activates and callbacks, review data while a system is operating, and execute research on the fly. The tool kit also could handle several hardware-specific qualities that could be shown and personalized to the requirements.

Data Management

The tool kit renders features for watching and removing data for research. It channels data into MATLAB or Simulink in double-precision floating-point structure, helping developer to work with the data just as developer would with any other matrix in MATLAB. Developer could also employ a local components structure to flow in data.

Logging Data

数据采集​​资源渲染可将数据记录到硬盘驱动器，内存或两者兼而有之的功能，而模拟反馈项目正在运行。开发人员可以记录数据，活动和错误。此外，工具包呈现用于从其生成的日志数据文件中删除数据的功能。

Use of SoftScope

It's a graphic tool for picking out and setting up data acquisition origins in MATLAB. Developer could obtain, analyze and view data employing a familiar, oscilloscope-like interface. By way of a library of constructed measure functions, SoftScope permits developer verify hardware operation and execute live data analysis. Developer could continue SoftScope with the own analysis export data and functions with SoftScope to the MATLAB workspace. SoftScope is usable on the 32-bit version of MATLAB only.

Simultaneous Selection and Research of Data

To the highest degree data acquisition projects are started by activities. A celebration happens at a particular time after a situation has been met. Occurrence kinds reinforced by Data Acquisition Resource comprise:

Errors

Number of outcome samples

产品的数量

Start and stop

Triggers

Events might outcome in one or more callbacks. In MATLAB, these event kinds perform a MATLAB operate that developer specify.

The session-based program renders features for both front and qualifications data acquisition. Foreground data acquisition blocks the MATLAB control line; qualifications acquisition does not. Background acquisition allows developer to gather data consistently and story or process the data while developer are gathering it. A audience is available to banner time activities. When an event happens, the assigned callback operate is implemented.

Managing Errors

数据采集​​资源提供了一套常规的错误和谨慎数据。如果MATLAB或SIMULINK中的工具套件不管理组件错误概念，则用特定于供应商的组件错误概念揭示了外部错误。

评估收购

Data Acquisition Resource allows developer assess the position of an acquisition and the available details acquisition options, such as set up components, components individuals, and plugs. Developer could data the following types of data:

Device item and route status

会话项目状态

Hardware data

Data acquisition engine data

Doing Information Acquisition in Simulink

Data Acquisition Resource renders Simulink blocks for obtaining live or calculated data immediately into the styles or for setting up components interfaced to data acquisition gadgets. These blocks are only available employing the History program and the 32-bit edition of MATLAB.

开发人员可以采用这些块来快速评估使用现实数据的Simulink样式和方法的反应，而不是针对固定数据集开发系统，例如存储在数据文件中的数据集。开发人员还可以使用块来确认和检查针对现场，计算的数据作为设计确认过程的一部分的样式。

Data Acquisition Resource renders six Simulink blocks:

Analog Input: Obtain data from analogue channels

Analog Feedback Individual Sample: Obtain 1 taste from each route at each taste time

Analog Output: Result data to analogue channels

Analog Result Individual Sample: Deliver out 1 taste from each route at each taste time

Digital Input: Obtain the latest set of principles from electronic lines

数字输出：对电子线的结果数据

Input blocks let developer get live data from components and then integrate that data immediately into the styles. Result blocks let developer set up components from the Simulink styles, such as training components to deliver data.

Each block allows developer to set up factors such as device kind, programs, and collections. The analogue blocks also enable developer to set up other appropriate factors such as asynchronous compared to synchronous acquisition, taste rate, block size, and data kind. Developer could hook up the Simulink style to a wide range of data acquisition components, and later change gadgets with little changes to the style. By employing Simulink with Information Acquisition Resource, developer could confirm styles with live data.

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