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Yally I.YI

Yally I.

Railway Engineering Consultant – Systems

€650/day
La Rochelle, FR
8-15 years
Control Command
Power Electronics
Electronics
Railway
traction

Average response time: 1 hour

Freelancer profile translated to English.
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About Yally

With over 10 years of experience in engineering, specifically in the development of specifications, design, integration, and validation of electrical systems for the aeronautics, automotive, and more recently, railway sectors. I am dedicated to participating in the development of new technologies for safe and sustainable mobility.
Aerospace
Automotive supplier
Plant and Machinery
Electrical industry
Rail and Public transport

  • English

    Fluent

  • French

    Native or bilingual

Can work on-site
La Rochelle (up to 50km), Paris (up to 50km), Toulouse (up to 50km), Tours (up to 50km)

Experience

  • Alstom
    Control-Command Engineer
    TRANSPORTATION
    April 2023 - Today (3 years and 2 months)
    La Rochelle, France
    Management of the electric traction and braking system for the TGV-M (Future TGV / Avelia Horizon / Northern-UK Corridors / Southern-Italy Corridors / Avelia Private Operators for Velvet/Proxima and ONCF)
    • Define the functional architecture of electric traction and braking.
    • Define the functional and software specification of the TCMS (Train Control Management System) for electric traction and braking.
    • Size the electrical pre-design (Low Voltage Diagram).
    • Consider standards (STI, EN50388, EN50163, SI(xRosto yz), ...etc).
    • Present safety impacts to RAMS teams.
    • Manage the interface with the traction subsystem (Alstom Tarbes) to consider and/or export constraints through functional requirements.
    • Define requirements and constraints to be exported to train maintenance.
    • Model and simulate functional specifications (using ControlBuild tool).
    • Direct contact for TCMS software coding teams (Bangalore/India).
    • Monitor and evaluate anomalies reported during debugging on test equipment (PC-COSIM, Test Bench, and TrainLab) or during validation on RFN train (national rail network).
    • Assist validators in train tests and other activities.
    • Support Jira users and facilitate the handling of anomalies as a Key User.
    Functional Architecture Functional Design Railway Public and Railway Transport Railway Signaling
  • Serma Ingénierie pour Continental
    Electronic Design Engineer
    AUTOMOBILE
    April 2022 - March 2023 (11 months)
    Toulouse, France
    Development of eRPS angular position sensors for electric cars
    • Functional analysis and definition of the electronic product, considering measurement principles, mechanical constraints, and system requirements (magnetic and inductive sensor technology).
    • Creation of automated Matlab tools for analyzing simulation and test results to evaluate product performance.
    • Proposal of solutions for calculating and processing angular sensor signals with Matlab (angular error evaluation, filtering solutions, harmonic suppression, etc.).
    • Statistical analysis of product performance.
    Electronic Design Matlab/Simulink
  • Serma pour Airbus
    Electronic Design Engineer
    AVIATION AND AEROSPACE
    January 2021 - April 2022 (1 year and 3 months)
    Toulouse, France
    IFCC-A320 Program (New generation electric control)
    • Functional analysis and architecture definition of an electronic "Derisk" switch to protect the input voltage of a DC/DC converter for new generations of flight control computers (IFCC-A320).
    • Consideration of DO-160 standard.
    • Detailed design (Worst case) and component selection for the various functions of the switch (power MOSFET to handle lightning constraints and aircraft 115V network disturbances at the DC/DC converter input, selection of current sensor type (various suppliers) for the performance of the "switch" disconnector function, etc.).
    • Customization of the switch according to lightning residual levels in the aircraft (exposed area, electronic bay, etc.) – impact on design and type of power components (MOSFET).
    • CAD design, BOM definition, and CAD follow-up (definition of routing constraint notes, testability and integration needs) to produce a prototype that validates the "Derisk" function.
    • Coordination of activities with an external subcontractor responsible for prototype manufacturing.

    ATR-600 Program (Multi-Function Computer Next Generation)
    • Justification of HRD (Hardware Requirement Design) for sizing secondary DC/DC power supplies (+5V, +3.3V, +1.5V, +1.2V).
    • Functional analysis and debugging test of an I/O board at ambient and extreme temperatures.
    • Formal acceptance (development of Python scripts for automatic validation of requirements).
    • Writing of design documents and VTMR (Verification Test Manual Result) test reports.
    Functional Design Mathcad CR5000
Check out Yally's experience

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Education

  • Electrical and Electronic Engineering Degree
    Institut National Polytechnique de Toulouse, ENSEEIHT
    2017
    Ingénieur Génie Électrique et Electronique
  • Bachelor's Degree in Engineering Science
    Aix Marseille University
    2014
    Licence 3 Sciences pour l'ingénieur
Check out Yally's education

Skill set

Electrical Diagram
Matlab/Simulink
Jira

Categories