About The Opportunity
Based in GKN Driveline Zumaia, as part of the eMotor GPPC team (Global Product and Process Centre) and part of the customer programme team.
The role scope will include leading the eMotor design (incl. simulation) and validation related tasks towards the project team and the OEM.
Experience in programme management (ideally in automotive environment) and a strong background in electric machines and power electronics will be highly valued.
Good English skills are a must and German or French are welcome.
See detailed tasks and skills below.
To be one of the primary technical interface between GKN and key suppliers / partners with e-machine and power-electronics content
Support to develop the technical specifications including validation plan for eMotors and inverters.
Release product & test specifications for the potential industrial partners (emotor active parts supplier)
Support the full integration of the eMotor in the system
Follow GKN Programme management, STDs and procedures.
ISO 26262 functional safety analysis
eMotor Prototypes design and manufacturing support
Testing specifications definition and support
Risk analysis during the development
Simulate all electromagnetic, mechatronic and electronic aspects
Deep knowledge of electrical engineering and electric machines
Deep knowledge about validation tests for electric machines
Understand the Heat transmission and fluid dynamics to be applied in electric machines
Understand the functionality, key modules and algorithms for any kind of inverter to feed an eMotor.
Detail knowledge about stator technologies and solutions
Depth knowledge about materials and processes for the emotor key metallic components
Knowledge about mechanical components process, subassemblies and assembly
Detailed simulation by FEA and analytical tools of the electromagnetic field of the emotors
Deliver specific technical information about eMotors tobe fed by Inverters for the eDrive Product Plan and / or Advanced Engineering &eDrives Engineering senior directors :
Depth knowledge of electrical engineering and electricmachines
Depth knowledge about validation tests for electricmachines
Understand the Heat transmission and fluid dynamics tobe applied in electric machines
Understand the functionality, key modules andalgorithms for any kind of inverter to feed a emotor.
Detail knowledge about stator technologies and solutions :
Stator laminations :
Grade ofquality (permeability, losses, thickness, insulation
in surface, compression rate for stator package, etc)
Stator Winding :
Distributedwinding (1 layer, 2 layers)
Impregnations technologies andinfluence in the machine performance
Detail knowledge about rotor technologies andsolutions :
Magnet grades (Br vs Hc, Temperature influence, etc)
Squirrel cage geometries, slots number and materials
Depth knowledge about materials and processes for theemotor key metallic components as :
Steel shafts and process
Bearings and sealings
Aluminum shields material andprocess
Aluminum housing material and process
Aluminum connections box
Knowledge about mechanical components process,subassemblies and assembly
Analytical calculations & Simulations of emotorsaccording to the product plan :
Transversal Flux Motor (TFM)
Synchronous reluctance motors
Switch Reluctance motors
Of course clear understanding of the inner rotor and out rotor lay-outand functionality
Analytical Electromagnetic calculations (suchas Speed SW)
FEA Electromagnetic calculations (such as Flux2D&3D)
eMotor Thermal analytical calculations (suchas MotorCAD)
Computational Fluids Dynamic CFD (such asAcuSolve)
MatLab / Simulink
Magnetic Field distribution
No load, full load and peak load simulations(voltages, currents, power factors, torques, temperatures, etc)
Radial forces in the airgap for bearingscalculations.
Cogging pulsation torque simulation
Ripple pulsation torque simulation
Efficiency map matrix output
eMotor reactances to provide to the invertersupplier
Head windings forces generated
Heat generation in the stator active parts(laminations and winding)
Heat generation in the rotor active parts(magnets or squirrel cage in case of IM, etc)
Fourier Transformer understanding andharmonics calculation of emotor Electric and Mechanical signals as : voltages, currents,torques, etc
Shafts. (strength, fatigue andnatural frequencies)
Bearing selection and sizing
eMotor natural frequencies
Ripple torque influence
Cooging torque influence
Influence of number of slots
Stator core stiffness
Rotor core stiffness
Stator and rotor fixations
Model the battery
Obtain the current harmonics andthe influence in the motor losses
eMotor capacitances calculations(stator slots, airgap, etc) and estimate the current though the bearings
Replicate driving cycles andobtain motor torques, voltages, currents, etc
Obtain consumptions and savings
Electric parameters and signals
Mechanical parameters and signals
Noise parameter and signals
Depth knowledge about connectors for HV and LV
Knowledge about rotor speed and position sensors,Temperature sensors, vibrations sensors, etc
Complete design of the emotor for the given GKN orcustomer specifications
Definition of the validation plan for the eMotors andinverters according to the customer or GKN specifications :
Functional tests (to characterizethe motors)
Product & process standardization includingChange Management
Release product validation Final Reports :
Ensure design and process Deviation Control
Drivestandardized calculation and simulation Tools
EnsureBenchmarking of state of the art competitor products
IntellectualProtection (IP). Propose patents and content review of
Supportto Application / Account Teams
partners(emotor active parts supplier)
converter,inverter, battery charger, emotor, gearbox, ECUs)
Supportto Lohmar eDrives GPPC :
Ratio optimization for consumption& acceleration.
Support to eDrives Manufacturing GPPC :
Support to SW GPPC to :
Support to GKN Sintermetals eMotors activities asrequested :
Support to GKN Advanced Engineering :
Management of his / her working area :
Participate in the daily&weekly meetings with theTraction Motors
Review validation test results before report release.
Control of the applicable KPIs, taking care of :
Control of GKN procedures and standards, taking careof :
Management and control engineering support requestsfrom the Traction Motors GPPC :
Management of external associated costs, taking careof :
Follow the GKN management tools as WT, iShare, WHC,etc.
Qualifications / Experience / Skills :
Electronic / Electrical Engineer
High Level of English ( writing and talking)
GKN Automotive is the market leader in conventional, all-wheel and electrified drive systems and solutions.
With a comprehensive global footprint, we design, develop, manufacture and integrate an extensive range of driveline technologies for over 90% of the world’s car manufacturers.
Diversity and Inclusion
As a global engineering company, innovation is what differentiates us from our competitors and is central to our success.
A balance of cultures, ethnicities and genders help bring new ideas and creativity to GKN Automotive. We need people of different backgrounds, with different skills and perspectives to spark originality, imagination and creativeness in our teams around the world.
GKN Automotive is an equal opportunity employer.
We treat all our employees and applicants fairly and are committed to ensuring that there is no discrimination or harassment against any employee or qualified applicant on the grounds of age, race, creed, colour, national origin, ancestry, marital status, affectional or sexual orientation, gender identity or expression, disability, nationality, sex, or veteran status or any other characteristic protected by law.