Drives Controls Engineer
Erie, PA: Onsite
The SOW Drives Control Engineers shall be responsible for all tasks and deliverables related to locomotive, OHV propulsion and auxiliary drive control system development, including control algorithm design, software requirements development, model-based implementation, integration, verification, and validation activities. The Drives Control Engineers shall work closely with Wabtec Systems, Software, Power Electronics, and Verification teams to develop, maintain, and enhance locomotive drive control functionality.
A. Scope: Documentation of Existing Drives Control Features
Inputs:
Existing concept, detailed design, and V&V review materials
Control software requirements specifications
Detailed design documentation
Existing Matlab/Simulink models, C/C++ control code
Existing software implementations
Verification reports and test results
Tasks:
Analyze existing control designs and software implementations
Review existing control models and requirements
Perform desktop simulations and verification activities
Update design documentation and requirements
Conduct design reviews and incorporate review feedback
Deliverables:
Released Drives Control Detailed Design Specifications
Released Software Requirements Specifications
Updated Verification & Validation Plans
Closed design reviews and documentation reviews
B. Scope: Integration and Baseline Merging of Existing Drives Control Features
Inputs:
Existing drives control models/Software
Baseline software releases
Design documentation
Interface specifications
Verification reports
Tasks:
Merge subsystem control functionality into production software baselines
Update requirements and control models/software
Resolve integration issues
Execute regression and verification testing
Update associated documentation
Deliverables:
Updated and released control models/Software
Updated software requirements
Released design documentation
Verification and validation reports
Closed integration reviews
C. Scope: Full Lifecycle Development of New Drives Control Features
Inputs:
System functional specifications
Control concepts and architectures
Existing software and control baselines
Tasks:
Requirements and Design
Analyze and decompose system requirements
Develop detailed control designs
Define interfaces with propulsion, braking, auxiliary, and supervisory systems
Control Development
Develop and modify Matlab/Simulink and Stateflow control models
Develop: Motor control algorithms, Converter and inverter controls, Torque and speed regulation functions, Protection functions, Diagnostic and fault management functions, Power management functions
Verification: Develop test vectors, Execute desktop simulation testing, Support SIL and HITL verification
Support locomotive laboratory and field validation testing
Documentation: Detailed Design Specification, Software Requirements Specification, Verification and Validation Plans
Deliverables
Released control models/Software
Released software requirements
Released design specifications
Verification and validation reports
Closed design and implementation reviews
Required Skills:
The SOW Drives Control Engineers shall possess expertise in:
Drives and Power Electronics
AC Traction Drives
Induction Motor Control
Permanent Magnet Motor Control
Converter/Inverter Topologies
Field-Oriented Control (FOC)
Torque and Speed Control
Drive Protection Functions
Model-Based Development
Matlab/Simulink
Stateflow
Embedded Software Development
Auto-Code Generation
Verification
MIL/SIL Testing
Desktop Simulation
Control Validation
Requirements Traceability
Engineering Skills:
Requirements management
Configuration management
Design reviews
Defect analysis and resolution
Technical communication
Common Wabtec Tools and Processes Applicable to Both Roles
IBM DOORS Requirements Management
Matlab/Simulink and Stateflow, Simscape
Embedded Coder
VSIM Virtual Simulation
Hardware-In-Test-Loop Simulation Platforms
eDR Design Review Process
Configuration Management Systems
ClearQuest Defect Tracking
Software Change Notice (SCN) Process
Locomotive Laboratory and Vehicle Testing Facilities
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