Development of a New Electronically Controlled Torque Vectoring Device for All-Wheel-Drive Vehicles
Sheha, E., Sharaf, A., Hossameldeen, Y., Helmy, A. (2013). Development of a New Electronically Controlled Torque Vectoring Device for All-Wheel-Drive Vehicles. EKB Journal Management System, 15(AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT - 15 – May 28 - 30, 2013), 1-14. doi: 10.21608/asat.2013.22204
E. S. Sheha; A. M. Sharaf; Y. H. Hossameldeen; A. M. Helmy. "Development of a New Electronically Controlled Torque Vectoring Device for All-Wheel-Drive Vehicles". EKB Journal Management System, 15, AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT - 15 – May 28 - 30, 2013, 2013, 1-14. doi: 10.21608/asat.2013.22204
Sheha, E., Sharaf, A., Hossameldeen, Y., Helmy, A. (2013). 'Development of a New Electronically Controlled Torque Vectoring Device for All-Wheel-Drive Vehicles', EKB Journal Management System, 15(AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT - 15 – May 28 - 30, 2013), pp. 1-14. doi: 10.21608/asat.2013.22204
Sheha, E., Sharaf, A., Hossameldeen, Y., Helmy, A. Development of a New Electronically Controlled Torque Vectoring Device for All-Wheel-Drive Vehicles. EKB Journal Management System, 2013; 15(AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT - 15 – May 28 - 30, 2013): 1-14. doi: 10.21608/asat.2013.22204

Development of a New Electronically Controlled Torque Vectoring Device for All-Wheel-Drive Vehicles

International Conference on Aerospace Sciences and Aviation Technology
Article 89, Volume 15, AEROSPACE SCIENCES & AVIATION TECHNOLOGY, ASAT - 15 – May 28 - 30, 2013, May 2013, Page 1-14  XML PDF (1.28 MB)
Document Type: Original Article
DOI: 10.21608/asat.2013.22204
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Authors
E. S. Sheha1; A. M. Sharaf1; Y. H. Hossameldeen2; A. M. Helmy1
1Egyptian Armed Forces, Egypt.
2Professor, Chairman of Dept. of Mechanical and Mechatronics Eng., HTI.
Abstract
This paper presents a comprehensive torque distribution device to actively control the torque distribution across the output shafts of an ordinary open differential. The proposed device can be used to control both the magnitude and direction of the torque between the driving axles of all-wheel-drive (AWD) vehicles and / or between the driving wheels of its rear axle. Both the design procedures and the development considerations of the device are outlined. Furthermore, a dedicated drive-train test rig is devised in order to exemplify and measure the characteristics of the controlled torque. The drivetrain test rig comprises different sensors such as wireless torque and driving speed measurements in addition to an electronic control module which regulates both the torque magnitude and direction. The experimental results illustrate the possibilities to bias variable amount of torque across the output shafts of open differential and therefore improve the traction potential during excessive tire slip conditions.
Keywords
Active differential; torque vectoring; torque distribution devices
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