Browsing by Subject "Fuel economy"

Conference Object

Analytical target cascading for the design of an advanced technology heavy truck

Louca, Loucas S.; Kokkolaras, M.; Delagrammatikas, G. J.; Michelena, N. F.; Filipi, Z. S.; Papalambros, P. Y.; Assanis, D. N. (American Society of Mechanical Engineers (ASME), 2002)

Analytical target cascading (ATC) is a methodology that can be used during the early development stages of large and complex systems for propagating desirable overall product targets to appropriate individual specifications ...

Article

Combined optimisation of design and power management of the hydraulic hybrid propulsion system for the 6 × 6 medium truck

Filipi, Z.; Louca, Loucas S.; Daran, B.; Lin, C.-C.; Yildir, U.; Wu, B.; Kokkolaras, M.; Assanis, D.; Peng, H.; Papalambros, P.; Stein, J.; Szkubiel, D.; Chapp, R. (2004)

Hybrid propulsion systems are one of the critical technologies on the roadmap to future ultra-efficient trucks. While there is a significant body of work related to hybrid passenger cars and light commercial trucks, there ...

Conference Object

Cruise control with adaptation and wheel torque constraints for improved fuel economy

Kahveci, N. E.; Ioannou, Petros A. (2010)

Cruise controllers are used to automatically control the speed of motor vehicles. In order to maintain a desired vehicle speed the controller takes over the throttle in a cruise control system which proves particularly ...

Article

Design under uncertainty and assessment of performance reliability of a dual-use medium truck with hydraulic-hybrid powertrain and fuel cell auxiliary power unit

Kokkolaras, M.; Filipi, Z.; Stefanopoulou, A.; Papalambros, P.; Assanis, D.; Mourelatos, Z.; Louca, Loucas S.; Delagrammatikas, G. J. (2005)

Medium trucks constitute a large market segment of the commercial transportation sector, and are also used widely for military tactical operations. Recent technological advances in hybrid powertrains and fuel cell auxiliary ...

Article

The effect of standards and fuel prices on automobile fuel economy: An international analysis

Clerides, Sofronis; Zachariadis, Theodoros (2008)

There is an intense debate over whether fuel economy standards or fuel taxation is the more efficient policy instrument to raise fuel economy and reduce CO2 emissions of cars. The aim of this paper is to analyze the impact ...

Article

Evaluation of ACC vehicles in mixed traffic: Lane change effects and sensitivity analysis

Ioannou, Petros A.; Stefanovic, M. (2005)

Almost every automobile company is producing vehicles with adaptive cruise control (ACC) system onboard that enables a vehicle to do automatic vehicle following in the longitudinal direction. The ACC system is designed for ...

Article

Fuel cell APU for silent watch and mild electrification of a medium tactical truck

Filipi, Z.; Louca, Loucas S.; Stefanopoulou, A.; Pukrushpan, J.; Kittirungsi, B.; Peng, H. (2004)

This paper investigates the opportunities for improving truck fuel economy through the use of a Fuel Cell Auxiliary Power Unit (FC APU) for silent watch, as well as for powering electrified engine accessories during driving. ...

Article

Integrated, feed-forward hybrid electric vehicle simulation in SIMULINK and its use for power management studies

Lin, C.-C.; Filipi, Z.; Wang, Y.; Louca, Loucas S.; Peng, H.; Assanis, D.; Stein, J. (2001)

A hybrid electric vehicle simulation tool (HE-VESIM) has been developed at the Automotive Research Center of the University of Michigan to study the fuel economy potential of hybrid military/civilian trucks. In this paper, ...

Article

Longitudinal control of heavy trucks in mixed traffic: Environmental and fuel economy considerations

Zhang, J.; Ioannou, Petros A. (2006)

In this paper, longitudinal vehicle-following controllers for heavy trucks with different spacing policies are designed, analyzed, simulated, and experimentally tested, and their performance in mixed traffic with passenger ...

Conference Object

Longitudinal control of heavy trucks: Environmental and fuel economy considerations

Zhang, J.; Ioannou, Petros A. (2004)

In this paper we design, analyze, simulate and experimentally test longitudinal vehicle following controllers for heavy trucks with different spacing policies and evaluate their performance in mixed traffic with passenger ...

Article

Modelling and control of a medium-duty hybrid electric truck

Lin, C.-C.; Filipi, Z.; Louca, Loucas S.; Peng, H.; Assanis, D.; Stein, J. (2004)

The main contributions of this paper are the development of a forward-looking hybrid vehicle simulation tool, and its application to the design of a power management control algorithm, The hybrid electric vehicle simulation ...

Article

Simulation-based optimal design of heavy trucks by model-based decomposition: An extensive analytical target cascading case study

Kokkolaras, M.; Louca, Loucas S.; Delagrammatikas, G. J.; Michelena, N. F.; Filipi, Z. S.; Papalambros, P. Y.; Stein, J. L.; Assanis, D. N. (2004)

We present the findings of an extensive case study for the decomposed, simulation-based, optimal design of an advanced technology heavy truck by means of analytical target cascading. The use of a series hybridelectric ...

Article

Target cascading in vehicle redesign: A class VI truck study

Kim, H. M.; Kokkolaras, M.; Louca, Loucas S.; Delagrammatikas, G. J.; Michelena, N. F.; Filipi, Z. S.; Papalambros, P. Y.; Stein, J. L.; Assanis, D. N. (2002)

The analytical target cascading process is applied to the redesign of a U.S. class VI truck. Necessary simulation and analysis models for predicting vehicle dynamics, powertrain, and suspension behaviour are developed. ...