Vehicle Powertrain Systems

Mashadi, Behrooz; Crolla, D.A.

doi:10.1002/9781119958376

Cited by 63 publications

(42 citation statements)

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“…There are two methods for overcoming the issue, which are based on the idea for mirror values at inverted energy flow: mirrored local efficiency and mirrored component losses respectively [27]. In the considered case, it is accepted the concept for mirrored losses, which defines the local efficiency of the main traction motor in the generator mode as Vehicle powertrain systems [27]:…”

Section: Local Efficiency Of the Energy Transformersmentioning

confidence: 99%

The Kinetic Energy Storage as an Energy Buffer for Electric Vehicles

Jivkov¹,

Draganov²

2017

Adv Automob Eng

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It is considered a hybrid driveline intended for electric vehicle in which Kinetic Energy Storage (KES) is used as an energy buffer for the load levelling over the main energy source -Li-Ion battery. Relations for KES local efficiency are worked out. Overall efficiencies of the parallel power branches are defined, and a control strategy for power split is proposed based on the alternative storage devices State of Charge (SoC). Quantity estimations of KES influence on the battery loading are obtained by evaluation of covered mileage, achievable with a single battery recharge over standard driving cycles, and by expected battery cycle-life prediction.

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Section: Local Efficiency Of the Energy Transformersmentioning

confidence: 99%

The Kinetic Energy Storage as an Energy Buffer for Electric Vehicles

Jivkov¹,

Draganov²

2017

Adv Automob Eng

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“…Equations (8) and (9) represent the intake manifold pressure and the intake manifold temperature, respectively [22,23,25]:…”

Section: Intake Manifold Pressure and Temperaturementioning

confidence: 99%

“…In this research, a theory proposed by different authors was used [20][21][22] about IC engine modeling in order to develop a control scheme for gasoline-ethanol blend.…”

Section: Internal Combustion Engine Modelmentioning

confidence: 99%

Control Scheme Formulation for the Production of Hydrogen on Demand to Feed an Internal Combustion Engine

et al. 2016

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Abstract:In this work, a control strategy is presented to produce hydrogen on demand to feed an internal combustion (IC) engine. For this purpose, the modeling of the IC engine fueled by gasoline blended with 10% v/v of anhydrous ethanol (E10) and hydrogen as an additive is developed. It is considered that the hydrogen gas is produced according to the IC engine demand, and that the hydrogen gas is obtained by an alkaline electrolyzer. The gasoline-ethanol blend added into the combustion chamber is determined according to the stoichiometric ratio and the production of hydrogen gas is regulated by a proportional and integral controller (P.I.). The controller reference is varying according to the mass flow air induced into the cylinder, in order to ensure an adequate production of hydrogen gas for any operating condition of the IC engine. The main contribution of this work is the control scheme developed, through simulation, in order to produce hydrogen on demand for any operating point of an internal combustion engine fueled by an E10 blend. The simulation results showed that the use of hydrogen gas as an additive in an E10 blend decreases the E10 fuel consumption 23% on average, and the thermal efficiency is increased approximately 2.13%, without brake power loss in the IC engine.

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“…1, while in-depth explanations are found in for example Mashadi and Crolla [2012] and Vasca et al [2011]. In clutch-modeling literature a wide range of models are proposed.…”

Section: Introductionmentioning

confidence: 99%

“…In Dolcini et al [2010] that speed dependency is said to be due to centrifugal forces acting on the springs in the clutch. Mashadi and Crolla [2012], Moon et al [2004] reports of hysteresis in the diaphragm spring, that could lead to hysteresis in the normal force. In Mattiazzo et al [2002] a temperature and wear dependency of the normal force/bearing position characteristics is shown.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Thermal Expansion in a Dry Clutch on Launch Control

Myklebust

Eriksson

2013

IFAC Proceedings Volumes

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A dry clutch model with thermal dynamics is added to a driveline model of a heavyduty truck equipped with an automated manual transmission. The model captures driveline oscillations and can be used to simulate how different clutch-control strategies affect vehicle performance, drivability and comfort. Parameters are estimated to fit a heavy-duty truck and the complete model is validated with respect to shuffle, speed trajectory, clutch torque and clutch lock-up/break-apart behavior. The model shows good agreement with data. Furthermore the model is used to study the effect of thermal expansion in the clutch on launch control. It is shown that the effect of thermal expansion, even for moderate temperatures, is significant in launch control applications.

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Vehicle Powertrain Systems

Cited by 63 publications

References 0 publications

The Kinetic Energy Storage as an Energy Buffer for Electric Vehicles

The Kinetic Energy Storage as an Energy Buffer for Electric Vehicles

Control Scheme Formulation for the Production of Hydrogen on Demand to Feed an Internal Combustion Engine

The Effect of Thermal Expansion in a Dry Clutch on Launch Control

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