Industrial and Scientific Computing, Validation and Automation
LabVIEW, TestStand, LabWindows/CVI

Test bench and Measurement freelance Engineer

SCPI (Standard Commands for Programmable Instruments) is a standard that defines a language for communicating with instruments based on messages. The majority of the GPIB instruments use the SCPI but also RS-232, Ethernet, VXI, PXI may use it. Several measurement instrument manufacturers have adopted this standard as HP / Agilent for example, allowing some communication uniformity between several devices.

Some examples of SCPI commands:

Instrument identification querry: *IDN? Instrument reset: RST Measure querry: MES?

VXI, for VME eXtensions for Instrumentation, is a communication bus originally designed for applications in test and measurement. It is most commonly used in 3U height (10 cm) 6U (23 cm) chassis to connect switch cards, DAQ, DIO, multimeters, controller, GPIB, MXI, USB...

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)

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)

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 Instrumentation: portable PXI/Compact PCI chassis with high voltage acquisition card

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

I am a supervision, control, test and measurement specialist. For this reason, my work consists to conceive and develop automatic or semi-automatic systems of measurement, validation or qualification of products for industrial or scientific applications.

With my experience since 1998 in the field of test and measurement, many of my clients appreciate my analysis and advice to optimize and improve both technically and in terms of production processes and validation. Indeed, test and measurement benches are central elements that identify with precision the problems caused by a malfunction or bad process: settings of production machines, manual actions or arrangement.

Technics

I support my expertise on the use of:

software solutions with: LabVIEW LabWindows/CVI TestStand Measurement Studio .NET material solutions containing: data acquisition card relay matrix card, DIO signal generator, DAQ oscilloscope, analyzer compatible with the following standards: PXI, PXI express, VXI GPIB, USB, FireWire PCI, PCI express, Compact PCI RS-232, RS-422, RS-485, AK protocol CAN, VAN, LIN, I2C, ARINC Job

I intervene in the various phases of life of the projects:

• Study/Research/Documentation

Feasibility study Analyzes and research solution Search for materials Helps with the documentary drafting Retro-engineering (analyzes systems without documentation)

• Software of tests (dregs to the material)

Development of advanced software functions Analyzes, second reading of source codes Debugging of software functions Drivers of instruments Development of simulators of instruments

• Software applicatifs (not dregs directly with the material)

Complete development of software Analyzes, second reading of source codes Debugging Course of specifications of tests

Project examples

I invite you to read articles detailing projects examples I have done, take a look to my experiences.

Price

To obtain the detail of the prices of my interventions and developments, please contact me by email or for telephone.