« emr and inversion-based control of fault-tolerant dual ... · « emr and inversion-based control...

EMR’15

Lille

June 2015

Summer School EMR’15

“Energetic Macroscopic Representation”

« EMR and inversion-based control of

fault-tolerant dual-motor drives »

Tiago José DOS SANTOS MORAES, Ngac Ky NGUYEN, Eric SEMAIL

L2EP, Arts et Métiers

EMR’15, Lille, June 2015 2

« EMR and inversion-based control of fault-tolerant dual-motor drives »

- Outline -

1. Introduction

2. Fault-Tolerance Topologies

• H-bridge topology

• RIMM topology

3. EMR Structure

EMR’15

Lille

June 2015



« PART 1 : INTRODUCTION »



- TVC System -

TVC = Thrust Vector Control

• Control of the thrust orientation

• 2 electromechanical actuators placed 90° from each other;

• 2 Permanent Magnets Synchronous Machines;

• 2 degrees of freedom: θ and φ;

Front-view

Up-view scheme



- Payload -

• Independent control of both actuators;

• Fault tolerance;

• 6-phases machines;

• Open-winding machines;

Constraints:

• Weight;

• Permanent Magnet Synchronous Machines;

• Cost;

EMR’15

Lille

June 2015



«PART 2 : FAULT TOLERANT TOPOLOGIES»



- H-bridge Topology -

• Simple control

• 48 transistors

• 12 current sensors

• Series coupled

motors;

• 2 voltage sources;

• 24 transistors;

• 6 current sensors;

H-bridge RIMM [1][2]



- RIMM Topology -

Decomposition in fictitious machines

Symmetrical

Six-phase

Machine

TORQUE

h = 3, 9, 15,... 6k±3

h = 0, 6, 12,... 6k

h = 1, 5, 7,

… 6K±1

h = 2, 4, 8,

… 6K±2

Concordia

Transformation

Torque

Ripple



- RIMM Topology -

TORQUE 1

TORQUE 2

M1

M2

Electric

Coupling

[2][3]

EMR’15

Lille

June 2015



« PART 3 : EMR STRUCTURE »



- H-bridge topology -

DC bus

Env. 1

Env. 2

DC bus

Parallel connexion

Inverter

Concordia transformation Electric Machine

Mechanical axis

Environment



- H-bridge topology -

DC bus

Env. 1

Env. 2



- RIMM topology -

DCbus1

DCbus2

Env. 1

Env. 2

DC bus Series connexion

Inverter

Concordia transformation

Electric Machine + coupling

Mechanical axis

Environment

Electromechanical

conversion 1

Electromechanical

conversion 2

RL circuit

+

Coupling



- RIMM topology -

DCbus1

DCbus2

Env. 1

Env. 2

Strat.

Strat.

Strat.



- RIMM topology -

DCbus1

DCbus2

Env. 1

Env. 2

Strat.

Strat.

Strat.

Voltage

distribution

Torque

Distribution

Torque

Distribution



- RIMM topology -

DCbus1

DCbus2

Env. 1

Env. 2

Strat.

EMR’15

Lille

June 2015



« CONCLUSION »



Conclusion

2 ways of assuring independent control of the machines in RIMM

topology:

- Control strategy:

- Torque compensation [2][3];

- Machine conception:

- Pair harmonics null EMR model and control simplification



- References -

[1] E. Levi, M. Jones, S. N. Vukosavic, and H. A. Toliyat, “A Novel Concept of a Multiphase,

Multimotor Vector Controlled Drive System Supplied From a Single Voltage Source Inverter,”

IEEE Transactions on Power Electronics, vol. 19, no. 2, pp. 320–335, Mar. 2004.

[2] N. K. Nguyen, F. Meinguet, E. Semail, and X. KestelynKESTELYN, “Fault-Tolerant Operation of

an Open-End Winding Five-Phase PMSM Drive with Short-Circuit Inverter Fault,” IEEE

Transactions on Industrial Electronics, pp. 1–1, 2015.

[3] E. Semail, E. Levi, A. Bouscayrol, and X. Kestelyn, “Multi-machine modelling of two series

connected 5-phase synchronous machines: effect of harmonics on control,” 2005, p. 10 pp.–P.10.

[4] T. Moraes, N.K. Nguyen, E. Semail, F. Meinguet,“A Comparative Study of Two Fault-Tolerant

Dual-Motor Drive Topologies Under Short-Circuit Inverter Switch Fault ”, ISIE’15, IEEE

International Symposium on Industrial Electronics, June 2015, Rio de Janeiro, Brazil.

[5] T. Moraes, N.K. Nguyen, E. Semail, F. Meinguet, “Fault Tolerant Dual-motor Drives: Sizing of

Power Electronic”, EPE 2015 (ECCE-European Power Electronics Congress), Geneve, Suisse, 2-

5 September 2015.

EMR’15

Lille

June 2015



« BIOGRAPHIES AND REFERENCES »



- Authors -

Prof. Eric SEMAIL

Arts et Métiers ParisTech, L2EP, France

PhD in Electrical Engineering at University of Lille (2000)

Professor since 2010

Research topics: Multiphase drives and Multi-machine Multi-converter drives

Dr. Ngac Ky NGUYEN


PhD in Electrical Engineering at University of Mulhouse (2010)

Associate Professor since 2012

Research topics: Multiphase machines control, fault tolerance systems, EMR

Tiago José DOS SANTOS MORAES


PhD student in a project with THALES

Research topics: Fault-tolerant multi-phase and multi-machine systems;

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