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IVI driver

IVI (Interchangeable Virtual Instrumentation) is a specification of instrument driver published by the IVI Foundation, formed by the biggest names in the instrumentation as Agilent, National Instruments, Rohde & Schwarz, Aeroflex, Tektronix, Teradyne, Pickering and other.

This specification defined instument classes (multimeter, oscilloscope, power supply, ...). All drivers in the same class have the same exported functions. This ensures instruments compatibility and interchangeability: measurement software is linked to the driver class that needle to the specific driver of the used instrument.

Example: I have a test application which measures voltage with a multimeter. My software calls the driver of the multimeter class. IVI refers to the specific driver for the X model from Agilent. Thus, we can change this multimeter by the Y model from Agilent or the Z model from Tektronix  with a simple configuration without modifying the software (for since we have installed the IVI driver of these three instruments).

List of instrument classes defined by IVI:

Digital multimeter (DMM) Oscilloscope Arbitrary waveform/function generator DC power supply AC power supply Switch Power meter Spectrum analyzer RF signal generator Upconverter Downconverter Digitizer Counter/timer Some specific instruments do not fall into this classification. In this case it is possible to create a new class.

LabWindows/CVI provides wizards for developing drivers and adding a new class.

IVI driver scan be called by any type of programming language. However TestStand, LabVIEW, and Measurement Studio can offer all the key functions in hand for their use.

ROHDE & SCHWARZ –  Electronic test equipment
Technical demonstrator for the account of R&S to carry out, for Motorola Toulouse, the demonstration of a acoustic test bench for cellular phones.

Technical implementation:

Instrumentation: Instrumentation: audio generator / audio analyzer UPL from Rohde y Schwarz.
SCHLUMBERGER – Oil insdustry
Calibration system development for oil well probes. Persone in charge for the maintenance of the probes calibration system: problems gravity analyze, treatment, intervention at the customer.

Technical implementation:

Tools: C language, LabWindows/CVI, Windows, Access, Visual Basic, ODBC. Instrumentation: GPIB, RS-232, switches, multimeter DMM, DC power supply, temperature generator, pressure generator, barometer.
ZODIAC AEROSPACE - Avionic industry

Avionic calculators’ production support department (Airbus, Boeing, Bombardier, Dassault, Embraer, Saab…)

Test libraries development for TestExe, a test sequencer. Tools libraries development. Development of a test sequencer under TestStand interfaced with a data base. Development of software of test and management of production of downloadable diskettes on calculator. Development of downloadable software of basic creation of data hard calculator. Calculators test software maintenance. Design of software architectures for the semi-automatization of test bench.

Technical implementation:

Tools: C , LabWindows/CVI, Visual C ++, TestStand, TestExe, Access, Excel, ODBC Instrumentation: ATHENA 7000 bench  : VXI chassis (switches, multimeter DMM, acquisition DAQ, signals generator, ARINC, RS-422)
ZODIAC AEROSPACE - Avionic industry
Development of a system (hardware and software) to validate an electric consumption management calculator of the A380 from Airbus.

Technical implementation:

Tools: C, LabWindows/CVI Instrumentation: VXI chassis (switches, multimeter DMM, acquisition DAQ card, signals generator), CAN bus and SIS (I2C bus)
SIEMENS-VDO – Automotive insdustry
Migration of the car radio tuners test bench under the TestStand test sequencer Instruments drivers and measurement libraries development.

Technical implementation:

Tools: C, TestStand, Labwindows/CVI, Excel. Instrumentation: GPIB, audio generator AM/FM, audio analyser, matrix, multimeter, oscilloscope, I2C bus
PEUGEOT – Automotive industry
ECM validation bench development

Technical implementation:

Tools: LabView 7.0 Instrumentation: continuous power supply GPIB, industrial PC: measurement software with instruments drivers, matrix PCI card, PCI acquisition card, PCI multimeter card, PCI signals generator card, PCI CAN bus card.
Synopsis Corporation - Microwave systems

Development of software components to edit and configure mathematical models in aim of simulating environment for radar, civil and military, test and qualification.

Technical implementation:

Tools: DLL development with LabVIEW and integration with Visual Studio C++ and C#
Hardware:Measurement and test / validation solutions Computing languages and softwareC, Language G, C++, C#, Visual Basic, Fortran, Java, SQL, PHP, JSP, Pascal ObjectLabVIEW, TestStand, LabWindows/CVI, Visual Studio, Delphi, MySQLMethod: UML, RUP, RAD Protocols: GPIB, VXI, PXI , ARINC 429, RS (232, 422), TCP/IP, CAN, I2C, VAN, BlueTooth, WIFI, UHF Languages: English, Spanish, French, Portuguese EXPERIENCE