NDLI: Smooth Shutdown Control Strategy of Hybrid Engines for Commercial Vehicle Hotel Mode

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Song, Xubin
Copyright Year	2011
Abstract	Long-haul commercial vehicles provide the hotel mode with a desirable comfort cabin for drivers to have rest. During this mode, sustainable power requirement on the on-board battery asks for occasional engine-on/off to maintain the battery SOC level, neither deeply charged nor overcharged. With the conventional engine-only-driven powertrains, there is a great challenge to deliver smooth engine on/off processes during the hotel mode in order to maintain the cabin as quiet and vibrationless as possible. But for the electric hybrid powertrain system, such a challenge can be addressed with the involvement of the hybrid motor/generator (M/G) to achieve smooth engine crank and shutdown. Apparently it is feasible to control M/G to mitigate discomfortable vibrations inside the cabin caused by periodic engine shutdowns for recharging the battery. In this paper, a pole placement control (PPC) with application of the hybrid M/G is developed to dampen out this kind of adverse vibrations which are transmitted from engine/gearbox to the cabin through the chassis structure and cabin mounts. More specifically, the PPC uses the motor speed as a feedback control signal to create a desirable motor torque command so that the vibration transmission could be abated. In the end of this paper, field testing data from a prototype hybrid truck will be presented to demonstrate the effectiveness of this innovative PPC strategy.
Sponsorship	Design Engineering Division and Computers and Information in Engineering Division
Starting Page	707
Ending Page	711
Page Count	5
File Format	PDF
ISBN	9780791854853
DOI	10.1115/DETC2011-47548
Volume Number	Volume 8: 11th International Power Transmission and Gearing Conference; 13th International Conference on Advanced Vehicle and Tire Technologies
Conference Proceedings	ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
Language	English
Publisher Date	2011-08-28
Publisher Place	Washington, DC, USA
Access Restriction	Subscribed
Subject Keyword	Trucks Hybrid engines Torque Vibration Energy sustainability Generators Pole placement Batteries Mechanical drives Engines Vehicles Feedback Signals Engineering prototypes Testing
Content Type	Text
Resource Type	Article

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