Design of 3-Step Skew BLAC Motor for Better Performance in Electric Power Steering System
In Electric Power Steering (EPS), spoke type
Brushless AC (BLAC) motors offer distinct advantages over other
electric motor types in terms torque smoothness, reliability and
efficiency. This paper deals with the shape optimization of spoke
type BLAC motor, in order to reduce cogging torque. This paper
examines 3 steps skewing rotor angle, optimizing rotor core edge and
rotor overlap length for reducing cogging torque in spoke type BLAC
motor. The methods were applied to existing machine designs and
their performance was calculated using finite- element analysis
(FEA). Prototypes of the machine designs were constructed and
experimental results obtained. It is shown that the FEA predicted the
cogging torque to be nearly reduce using those methods.
[1] D. Hanselman, Brushless Permanent-Magnet Motor Design. NewYork:
McGraw-Hill, 1994.
[2] C. Bretón, J. Bartolomé, J. A. Benito, G. Tassinario, I. Flotats, C. W. Lu,
and B. J. Chalmers, “"Influence of machine symmetry on reduction of
cogging torque in permanent magnet brushless motors,”" IEEE Trans.
Magn., vol. 3, no. 5, pp. 3819–-3823, Sep. 2000.
[3] Z. Q. Zhu and D. Howe, “"Influence of design parameters on cogging
torque in permanent magnet machines,”" IEEE Trans. Energy Convers.,
vol. 15, no. 4, pp. 407–-412, Dec. 2000.
[4] S. Wakao, T. Onuki, J. W. Im, and T. Yamamura, "A novel design
approach for grasping broad characteristics of magnetic shield problem,"
IEEE Trans. Magn., vol. 34, no.4, pp. 2144–-2146, July 1998.
[5] W.Fei and Z.Q.Zhu, “Comparison of cogging torque reduction in PM
brushless machines by conventional and herringbone skewing
techniques,” IEEE Trans. Energy Convers., vol. 28, no. 3, Sep. 2013.
[6] Z.Q. Zhu and D. Howe, “Analytical prediction of the cogging torque in
radial-field permanent magnet brushless motor,” IEEE Trans.Magn.,
vol.28, no.2, pp. 1371-1374, Mar. 1992.
[7] J.F. Gieras, “Analytical approach to cogging torque calculation of PM
brushless motor,” IEEE Trans.Ind. Appl., vol.40, no.5, pp.1310-1316,
Sep./Oct.2004.
[8] J. A. Guemes, A. A. Iraolagoitia, J.J.Del Hoyo, and P.Fernandez,
“Torque analysis in permanent-magnet synchronous motors: a
comparative study,” IEEE Trans. Ind. Appl., vol. 47, no. 3, pp. 1247-
1256, May/Jun. 2011
[9] Sang- Min Jin, Yu-Wu Zhu and Yun-Hyun Cho, “Optimal design of
auxiliary poles to minimize detent force of permanent magnet linear
synchronous motor,” International Journal of Applied Electromagnetics
and Mechanics, vol.33, no.1-2/2010
[10] Y. Fujishima, S. Wakao, M. Kondo, and N. Terauchi “An optimal
Design of Interior Permanent Magnet Synchronous Motor for the Next
Generation Commuter Train,” IEEE Trans.Magn., vol.14, no.2, pp.
1902-1905, 2004.
[11] Yu-wu Zhu, Sang-Geon Lee and Yun-hyun Cho, “Optimal design of
PMLSM with low force pulsations using response surface
methodology,” Applied Electromagnetics and Mechanics, vol.34, ISBN,
2010.
[12] Zwe-Lee Gaing, Cin-Hsien Lin, Ming-Hsiao Tsai and Mi-Ching Tsai, “
Rigorous design and optimization of brushless PM motor using response
surface methodology with quantum behaved PSO operator,” IEEE
Trans. Magn., vol.50, No.1, January 2014
[13] A.W. Burton, “Innovation drives for electric power assisted steering,”
IEEE control systems Magazine, pp. 30-39, Nov.2003.
[14] H. Eki, T. Teratani, and T.Iwasaki, “Power consumption and conversion
of EPS systems,” Power Conversion Conference (PCC), pp. 1333-1339,
2007.
[15] G. Ombach and J.Junak, “Two rotors designs comparison of permanent
magnet brushless synchronous motor for an electric power steering
application,” European Conference on Power Electronics and
Applications (EPE), pp. 1-9, 2007.
[16] R. H. Myers and D.C Montgomery, “Response Surface Methodology
Process and Product Optimization Using Designed Experiments”. New
York: Wiley, 1995.
[17] D. C. Montgomery, “Design and Analysis of Experiments.” New York:
Wiley, 2001.
[1] D. Hanselman, Brushless Permanent-Magnet Motor Design. NewYork:
McGraw-Hill, 1994.
[2] C. Bretón, J. Bartolomé, J. A. Benito, G. Tassinario, I. Flotats, C. W. Lu,
and B. J. Chalmers, “"Influence of machine symmetry on reduction of
cogging torque in permanent magnet brushless motors,”" IEEE Trans.
Magn., vol. 3, no. 5, pp. 3819–-3823, Sep. 2000.
[3] Z. Q. Zhu and D. Howe, “"Influence of design parameters on cogging
torque in permanent magnet machines,”" IEEE Trans. Energy Convers.,
vol. 15, no. 4, pp. 407–-412, Dec. 2000.
[4] S. Wakao, T. Onuki, J. W. Im, and T. Yamamura, "A novel design
approach for grasping broad characteristics of magnetic shield problem,"
IEEE Trans. Magn., vol. 34, no.4, pp. 2144–-2146, July 1998.
[5] W.Fei and Z.Q.Zhu, “Comparison of cogging torque reduction in PM
brushless machines by conventional and herringbone skewing
techniques,” IEEE Trans. Energy Convers., vol. 28, no. 3, Sep. 2013.
[6] Z.Q. Zhu and D. Howe, “Analytical prediction of the cogging torque in
radial-field permanent magnet brushless motor,” IEEE Trans.Magn.,
vol.28, no.2, pp. 1371-1374, Mar. 1992.
[7] J.F. Gieras, “Analytical approach to cogging torque calculation of PM
brushless motor,” IEEE Trans.Ind. Appl., vol.40, no.5, pp.1310-1316,
Sep./Oct.2004.
[8] J. A. Guemes, A. A. Iraolagoitia, J.J.Del Hoyo, and P.Fernandez,
“Torque analysis in permanent-magnet synchronous motors: a
comparative study,” IEEE Trans. Ind. Appl., vol. 47, no. 3, pp. 1247-
1256, May/Jun. 2011
[9] Sang- Min Jin, Yu-Wu Zhu and Yun-Hyun Cho, “Optimal design of
auxiliary poles to minimize detent force of permanent magnet linear
synchronous motor,” International Journal of Applied Electromagnetics
and Mechanics, vol.33, no.1-2/2010
[10] Y. Fujishima, S. Wakao, M. Kondo, and N. Terauchi “An optimal
Design of Interior Permanent Magnet Synchronous Motor for the Next
Generation Commuter Train,” IEEE Trans.Magn., vol.14, no.2, pp.
1902-1905, 2004.
[11] Yu-wu Zhu, Sang-Geon Lee and Yun-hyun Cho, “Optimal design of
PMLSM with low force pulsations using response surface
methodology,” Applied Electromagnetics and Mechanics, vol.34, ISBN,
2010.
[12] Zwe-Lee Gaing, Cin-Hsien Lin, Ming-Hsiao Tsai and Mi-Ching Tsai, “
Rigorous design and optimization of brushless PM motor using response
surface methodology with quantum behaved PSO operator,” IEEE
Trans. Magn., vol.50, No.1, January 2014
[13] A.W. Burton, “Innovation drives for electric power assisted steering,”
IEEE control systems Magazine, pp. 30-39, Nov.2003.
[14] H. Eki, T. Teratani, and T.Iwasaki, “Power consumption and conversion
of EPS systems,” Power Conversion Conference (PCC), pp. 1333-1339,
2007.
[15] G. Ombach and J.Junak, “Two rotors designs comparison of permanent
magnet brushless synchronous motor for an electric power steering
application,” European Conference on Power Electronics and
Applications (EPE), pp. 1-9, 2007.
[16] R. H. Myers and D.C Montgomery, “Response Surface Methodology
Process and Product Optimization Using Designed Experiments”. New
York: Wiley, 1995.
[17] D. C. Montgomery, “Design and Analysis of Experiments.” New York:
Wiley, 2001.
@article{"International Journal of Mechanical, Industrial and Aerospace Sciences:70516", author = "Design of 3-Step Skew BLAC Motor for Better Performance in Electric Power Steering System", title = "Design of 3-Step Skew BLAC Motor for Better Performance in Electric Power Steering System", abstract = "In Electric Power Steering (EPS), spoke type
Brushless AC (BLAC) motors offer distinct advantages over other
electric motor types in terms torque smoothness, reliability and
efficiency. This paper deals with the shape optimization of spoke
type BLAC motor, in order to reduce cogging torque. This paper
examines 3 steps skewing rotor angle, optimizing rotor core edge and
rotor overlap length for reducing cogging torque in spoke type BLAC
motor. The methods were applied to existing machine designs and
their performance was calculated using finite- element analysis
(FEA). Prototypes of the machine designs were constructed and
experimental results obtained. It is shown that the FEA predicted the
cogging torque to be nearly reduce using those methods.", keywords = "EPS, 3-Step skewing, spoke type BLAC, cogging
torque, FEA, optimization.", volume = "9", number = "7", pages = "1284-6", }
