This system allows the study of refrigeration systems and the implementation of the thermodynamic calculations applied to refrigeration. Its uniqueness is that it is fully controllable via the Internet directly from a web browser like Internet Explorer or Firefox.

It consists of two cold rooms, each with their own evaporator but sharing the same cooling fluid R134a system (compressor, condenser ...).

The control and configuration of this system can be done in two ways:

a classic console coupled to a regulator PLC type industrial PAC (programmable automation controller) Compact Fieldpoint

The Compact Fieldpoint adds the possibility of remote control via the Internet, viewing the evolution curves of temperature, air and refrigerant fluid, pressure and power at various points. This allows calculating the required cooling system features such as enthalpy, entropy, Mollier diagram and performance coefficients.

Refrigeration system with control panel and circuit fluid

 

Data acquisition cards are used to acquire electrical signals and convert them into digital data to allow software computation. These signals art images of a physical measurement such as, for example, pressure, temperature, speed or other electrical phenomena.

Specifications and development of gas production quality test bench.

Technical implementation:

Tools: LabVIEW Harware: National Instruments Compact Fieldpoint, DAQ, DIO, RS 232 implementing AK protocol, Emerson Gas analysers

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Migration of a geophones test system, from FORTRAN to C under LabWindows/CVI. Migration of well oil probes test systems, from FORTRAN to C under LabWindows/CVI. Development of measurement software of pressure for concrete test-piece.

Technical implementation:

Tools: C, LabWindows/CVI 5.5, WINDOWS NT. Instrumentation : GPIB, multimeter, PCI commutation matrix, acquisition card with integrated frequency analyzer, power supply continue.

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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 ANSI, LabWindows/CVI 4.0, WINDOWS NT, Access 97, Visual Basic, ODBC. Instrumentation: GPIB , RS , commutation matrix, multimeter, power supply, temperature generator, pressure generator, barometer.

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Migration of a test system of optical coder used by engines, DOS Qbasic to the TestStand sequencer with C libraries. Project leader; management of 2 developers; planning of tasks. Software expertise. Validation with the customer.

Technical implementation:

Tools: C, LabWindows/CVI 5.5, WINDOWS NT, Excel to ceate reports, TestStand. Instrumentation : GPIB, RS, Multímetros, tarjeta de adquisición PCI, DIO.

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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  : chasis VXI (matrix cards, multimeter, acquisition cards, signals generator, ARINC, RS 422)

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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 5.5 Instrumentation: chassis VXI ( matrix card, multimeter card, acquisition card, signals generator), CAN bus and I2C bus

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Development of a meteorology data transmission autonomous system on pocket PC. 5 km transmission using WIFI or UHF. The local transmission is BlueTooth.

Technical implementation:

Tools: Windows móvil 2003, LabView 7.0 para Pocket PC Instrumentation: PCMCIA acquisition card, WIFI, UFH, BlueTooth, directional antennas.

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Migration of the car radio tuners test bench under the TestStand test sequencer Instruments drivers and measurement libraries development.

Technical implementation:

Tools: C, TestStand 3, Labwindows/CVI 7.1, Excel 2000. Instrumentation: GPIB, audio generator AM/FM, audio analyser, matrix, multimeter, oscilloscope, I2C bus

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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.

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Migration of a transportable VXI bench which measures partial discharges of power transformers, to a compact and portable PXI / compact PCI bench. Drivers development.

Technical implementation:

Tools: Labwindows/CVI 6.0 Instrumentation: portable PXI/Compact PCI chassis with high voltage acquisition card

Realization of 4 car radio test benches of the Peugeot 206 Project leader (4 developers) Subcontractors choice and management Import / Export (incorterm)

Implemented technique:

Tools: C, TestStand, Labwindows CVI 7.1, Instrumentation: chassis PXI, 2 matrix cards, multimeter card, DIO card, MXi3 card, GPIB card PCI cards (VAN bus and I2C bus), GPIB (audio generator AM/FM Panasonic, audio analyzer ROHDE & SCHWARZ, continuous power supply)

Development: C++ to LabVIEW migration of an components and electronic cards aging measurement software.

Technical implementation:

Tools: LabVIEW Hardware: Sefelec MegaOhmMeter, switch cards in compact PCI chassis  linked to the laptop by a GPIB-USB gateway. Training: Instructor for National Instruments products:  LabVIEW, LabWindows/CVI, TestStand, Measurement Studio .NET (with Visual Studio C++, C# and Visual Basic)

Specifications of a sand quality control supervision system coming out of sand quarry for cement production.

Technical implementation:

Tools: National Instruments LabVIEW, Module LabVIEW Datalogging and Supervisory Control (DSC) Harware: PLC (Siemens, Mitsubishi, Twido) with OPC, RS 232, Compact Fieldpoint, DIO, DAQ

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#

Electronics Measurement and test benches Programation Languages and softwares Programation language: C, Language G, C++, C#, Visual Basic, Fortran, Java, SQL, PHP, JSP, Pascal Object Softwares: LabVIEW, TestStand, LabWindows/CVI, Visual Studio, Delphi, J Builder, Dreamweaver , MySQL Method: UML, RUP, RAD Operating system Linux/Unix Windows: 95/98/NT/2000/XP/Vista, CE, Mobile MacOs Protocols GPIB, VXI, PXI , ARINC 429, RS (232, 422), TCP/IP, CAN, I2C, VAN, BlueTooth, WIFI, UHF Divers Software: Word, Excel, Power Point, Access, MS Project Languages English, Spanish, French EXPERIENCE