New Technologies in Data Acquisition

Transcription

1

2 New Technologies in Data Acquisition

3 Agenda Introduction to PC Based Data Acquisition New Technologies in Data Acquisition 1. New Bus Technologies 2. Signal Conditioning, Timing and Synchronization Introduction to Technical Data Management & DIAdem

4 PC-Based Data Acquisition Transducer Signal Signal Conditioning Data Acquisition Software

5 PC-Based Data Acquisition (DAQ) Gas Turbine Engines NASA James Webb Space Telescope HIL Simulation for Hybrid Cars Bridge Health Monitoring

6 Acquire Analyse Present

7 Abstract Complexity with NI LabVIEW & NI-DAQmx Software API supports a wide variety of languages Only need to know one language Additional development tools MAX, Simulated devices, DAQ Assistant

8 Measuring Analog Input Signals Important Factors to Consider: Architecture Multiplexed Simultaneous sampling Sampling rate Resolution Signal conditioning Analog Input To PC

9 DAQ Solution for Your Application

10 Utilizing the Latest Technologies in DAQ New Bus Technologies Signal Conditioning, Timing and Synchronizing Technologies

11 New Bus Technologies

12 Simplicity The Convenience of USB Plug and play Wide Adoption 2.1 billion USB devices by USB ports per PC 2 1 Electronics.ca Research Network, Feb PC Magazine.com, Dec 2005

13 Speed (Mbits/S) USB Evolution USB Ethernet PC Buses PCI 32/33 PCI Express Gigabit Ethernet 100 ISA 100 Mbit Ethernet USB Mbit Ethernet USB Year

14 NI Signal Streaming Performance Improvement

15 Channel Count 256 NI USB Data Acquisition High-Performance X Series NI CompactDAQ Bus Powered M Series 3.2 MS/s Throughput Up to 2300V Isolation 8 Low Cost 250kS/s 1.25Mhz Analog Input Up to 4 AO Up to 48 digital I/O 32-bit counters Hot-swappable modules AI, AO, and DIO modules available 32-bit counters As low as $95 16-bit AI/AO DIO Advanced Timing and Synchronization technology DIO Analog In MIO Hi-Speed Analog Sensors & Isolation

16 Portable USB NI CompactDAQ Hi-Speed USB 2.0 Mix and Match over 50 Modules Built-in Signal Conditioning Direct Sensor Connectivity Hot-Swappable Modules

17 CompactDAQ Timeline CompactRIO Wi-Fi DAQ Ethernet CompactDAQ USB DAQ CompactDAQ CompactDAQ Gen 2 USB/ENET/WLS Gen 2

18 Ethernet Data Acquisition Cabling length up to 100m per segment Network topologies One-to-Many Direc t Host Computer WAP VPN Switch/Router

19 Zero Configuration Networking Standards Wikipedia: Zero configuration networking allows inexpert users to connect computers, networked printers, and other network devices and expect a functioning network to be established automatically. Link-Local Addressing Automatic IP without a DHCP server on the network Multicast DNS Automatic hostname without DNS server on the network DNS Service Discovery Automatic discovery of devices and the services they provide

20 Ethernet DAQ Demo

21 Wireless: The Next Bus for Data Acquisition USB Ethernet Wi-Fi CompactDAQ USB DAQ System USB-9xxx USB Carrier WLS-9xxx Wi-Fi Carrier ENET-9xxx Ethernet Carrier WAP Compact FieldPoint WAP CompactRIO Data Acquisition Wireless Programmable Automation Controllers (PACs)

22 NI Wi-Fi Data Acquisition NI-DAQmx driver software 10/100 Base-T/X Ethernet IEEE b/g radio Easy to use Secure (IEEE i) High bandwidth Established infrastructure

23 Wireless DAQ Demo

24 Multiple Bus Technologies With Same API Etherne t PXI USB Wi-Fi PCI PXI Express PCI Express

25 C Series Modular I/O Platform USB NI CompactDAQ USB Carrier Wi-Fi/ENET Carrier NI PXI NI CompactRIO More Than 60 Measurement Modules

26 Signal Conditioning, Timing and Synchronization Technologies for Challenging Applications

27 Controller Embedded PC or remote PC / laptop interface Runs all standard software High-Precision PXI Chassis PXI Backplane PCI bus Timing and Synchronization Peripheral Modules

28 Introduction to NI SC Express: Scalable Data Acquisition Systems

29 NI SC Express Key Features 1 Increased Accuracy High Bandwidth Up to 24-bit resolution Delta-Sigma A/D converters Anti-aliasing filters per channel 2 PXI Express Dedicated bandwidth/device Dynamic strain measurements ADC per channel 3 Best-in-Class Synchronization 100 MHz reference clock built-in chassis ns synchronization with NI-DAQmx multidevice task Automatic synchronization with DSA & NI X Series 4 Easy to Use Same NI-DAQmx driver as DAQ and DSA New bridge channel types in NI-DAQmx Modules & terminal blocks auto-recognized

30 NI SC Express Modules Bridge Input NI PXIe-4330 High-Speed Bridge Input NI PXIe-4331 Thermocouple NI PXIe-4353 Isolated Analog Input NI PXIe-4300 Optical Sensing Interrogator NI PXIe-4844

31 Front Mount Terminal Blocks Auto detection Compatibility checking Hot swappable Screw terminals Strain relief CJC Attenuation

32 Typical Applications

33 SC Express Demo

34 Benefit of SC Express - Synchronization Start simultaneously Correlated Minimum drift

35 SC Express Architecture Ch 0 Ch n Signal Conditioni ng Signal Conditioni ng Device 1 24-bit Σ 24-bit Σ FPGA Digital Filtering Clock 100/Synch 100 STCIII PCI Express PHY PXI Express Bus PXI Express Timing Device 2 Device n

36 Multidevice Synchronization NI DAQmx multidevice task with multiple measurement types Automatically synchronizes modules with < 50 ns skew

37 Comparing Synchronization Technologies Precision sec 10-9 sec 10-6 sec 10-3 sec Signal-based PXI Multichassis IRIG-B Time-based GPS sec <10-4 m 10-2 m 10 0 m 10 1 m 10 2 m 10 3 m 10 4 m 10 5 m Global Proximity

38 Variety of DAQ Solutions Available

39 The Data Challenge We can create and collect complex data at tremendous rates, but unless we can manage and analyze that data, it's useless. Ron Musick, former lead researcher at Lawrence Livermore National Laboratory

40 If data is so valuable why use financial tools to extract engineering intelligence?

41 Traditional Postprocessing Tools Have No Built-In Workflow Original Data ASCII Overhead Calculations Graphs Formatting Macros

42 NI DIAdem uses Independent Components Raw Data Inspect Analyze Report Automate

43 What is NI DIAdem? Ready to use data search and mining Easy, flexible access to databases and files Interactive analysis and report generation Automation through VBScript

44 DIAdem Software to Interactively Manage, Search, Analyze and Report Data and for Automated Data Processing Post processing software for scientists, engineers, and researchers Ready to use data search and data mining without expensive IT effort Easy and flexible access to both data bases and files Interactive analysis and report generation (PDF, HTML, PPT ) Turn-key applications based on VBScript and custom user interfaces

45 QUESTIONS?

46 SUMMARY Advancements in PC Based Data Acquisition Different Bus Technologies Signal Conditioning, Timing and Synchronization Technical Data Management