An Engine Thermal Management System Design for Military Ground Vehicle - Simultaneous Fan, Pump and Valve Control 2016-01-0310
The pursuit of greater fuel economy in internal combustion engines requires the optimization of all subsystems including thermal management. The reduction of cooling power required by the electromechanical coolant pump, radiator fan(s), and thermal valve demands real time control strategies. To maintain the engine temperature within prescribed limits for different operating conditions, the continual estimation of the heat removal needs and the synergistic operation of the cooling system components must be accomplished. The reductions in thermal management power consumption can be achieved by avoiding unnecessary overcooling efforts which are often accommodated by extreme thermostat valve positions. In this paper, an optimal nonlinear controller for a military M-ATV engine cooling system will be presented. The prescribed engine coolant temperature will be tracked while minimizing the pump, fan(s), and valve power usage. A case study investigates the proposed control strategy’s performance in comparison to other methods for temperature tracking and energy conservation. The optimal nonlinear controller offered satisfactory coolant temperature tracking with an average error of 0.35°C and at least 13% reduction in total cooling power.
Citation: Tao, X. and Wagner, J., "An Engine Thermal Management System Design for Military Ground Vehicle - Simultaneous Fan, Pump and Valve Control," SAE Int. J. Passeng. Cars – Electron. Electr. Syst. 9(1):243-254, 2016, https://doi.org/10.4271/2016-01-0310. Download Citation
Author(s):
Xinran Tao, John R. Wagner
Affiliated:
Clemson University
Pages: 12
Event:
SAE 2016 World Congress and Exhibition
ISSN:
1946-4614
e-ISSN:
1946-4622
Also in:
SAE International Journal of Passenger Cars - Electronic and Electrical Systems-V125-7, SAE International Journal of Passenger Cars - Electronic and Electrical Systems-V125-7EJ
Related Topics:
Engine cooling systems
Thermal management
Coolants
Fuel economy
Radiators
Fans
Combustion and combustion processes
Energy consumption
Energy conservation
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