Luciano RolandoPolitecnico di Torino | polito · DENERG - Department of Energy
Luciano Rolando
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58
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Introduction
Skills and Expertise
Publications
Publications (58)
In recent years, the urgent need to fully exploit the fuel
economy potential of Electrified Vehicles (xEVs) through
the optimal design of their Energy Management System
(EMS) has led to an increasing interest in Machine Learning
(ML) techniques. Among them, Reinforcement Learning
(RL) seems to be one of the most promising approaches
thanks to its p...
In recent years, Machine Learning (ML) techniques have gained increasing popularity in several fields thanks to their ability to find hidden and complex relationships between data. Their capabilities for solving complex optimization tasks have made them extremely attractive also for the design of the Energy Management System (EMS) of electrified ve...
In a Battery Electric Vehicle (BEV), the optimization of its thermal state plays a crucial role in the achievement of
relevant vehicle targets such as range, passenger comfort, and recharging times, as well as varying external
ambient conditions. Therefore, selecting the most proper solution between the many possible architectures to
manage the dif...
The H2-ICE project aims at developing, through numerical simulation, a new generation of hybrid powertrains featuring a hydrogen-fueled Internal Combustion Engine (ICE) suitable for 12 m urban buses in order to provide a reliable and cost-effective solution for the abatement of both CO2 and criteria pollutant emissions. The full exploitation of the...
The H2-ICE project aims at developing, through numerical simulation, a new generation of hybrid powertrains featuring a hydrogen fueled Internal Combustion Engine (ICE) suitable for 12-meter urban buses, in order to provide a reliable and cost-effective solution for the abatement of both CO2 and criteria pollutant emissions. The full exploitation o...
Nowadays, to comply with the Sustainable Development Goals (SDG) proposed by the United Nations, the carbon footprint of the transportation sector must be drastically reduced. Focusing on ground vehicles, Cooperative Adaptive Cruise Control (C-ACC) may represent a game changer by improving energy utilization efficiency, traffic flow, and road safet...
div class="section abstract"> Nowadays numerical simulations play a major role in the development of future sustainable powertrain thanks to their capability of investigating a wide spectrum of innovative technologies with times and costs significantly lower than a campaign of experimental tests. In such a framework, this paper aims to assess the p...
div class="section abstract"> The role of numerical simulations in the development of innovative and sustainable powertrains is constantly growing thanks to their capabilities to significantly reduce the calibration efforts and to point out potential synergies among different technologies. In such a framework, this paper describes the development o...
In a context in which the connectivity level of last-generation vehicles is constantly on the rise, the combined use of Vehicle-To-Everything (V2X) connectivity and autonomous driving can provide remarkable benefits through the synergistic optimization of the route and the speed trajectory. In this framework, this paper focuses on vehicle ecodrivin...
The connectivity level of last-generation vehicles is constantly on the rise. The combined use of Vehicle-To-Everything (V2X) connectivity and autonomous driving can provide remarkable benefits through the optimization of the route and speed trajectory. In this framework, this paper focuses on vehicle eco-driving optimization in a connected environ...
div class="section abstract"> Despite the legislation targets set by several governments of a full electrification of new light-duty vehicle fleets by 2035, the development of innovative, environmental-friendly Internal Combustion Engines (ICEs) is still crucial to be on track toward the complete decarbonization of on road-mobility of the future. I...
div class="section abstract"> The continuous tightening of CO2 emission targets along with the introduction of Real Driving Emissions (RDE) tests make Water Injection (WI) one of the most promising solutions to improve efficiency, enhance performance and reduce emissions of turbocharged high-performance Spark Ignition engines. This technology, by r...
The energy management of a Hybrid Electric Vehicle (HEV) is a global optimization problem, and its optimal solution inevitably entails knowing the entire mission profile. The exploitation of Vehicle-to-Everything (V2X) connectivity can pave the way for reliable short-term vehicle speed predictions. As a result, the capabilities of conventional ener...
The high potential of Artificial Intelligence (AI) techniques for effectively solving complex parameterization tasks also makes them extremely attractive for the design of the Energy Management Systems (EMS) of Hybrid Electric Vehicles (HEVs). In this framework, this paper aims to design an EMS through the exploitation of deep learning techniques,...
Spark ignition (SI) and subsequent flame front development exert a significant influence on cyclic variability of internal combustion engines (ICEs). The increasing exploitation of lean air-fuel mixtures in SI engines to lower fuel consumption and CO 2 emissions is driving the scientific community towards the search for innovative combustion strate...
Lean burn spark ignition (SI) engines represent an effective solution for improving fuel economy and reducing exhaust emissions and can be implemented both in conventional and hybrid powertrains. On the other hand, lean operation increases cyclic variability with negative impact on power output, engine efficiency, roughness, and operating stability...
In the compelling need for the decarbonization of the transport sector, hydrogen could play a crucial role, especially in heavy duty applications where the limited specific energy of chemical batteries can significantly reduce either the payload or the operative range. Moreover, the possibility to use Hydrogen not only within Fuel Cells (FCs) syste...
Nowadays hydrogen, especially if derived from biomass or produced by renewable power, is rising as a key energy solution to shift the mobility of the future toward a low-emission scenario. It is well known that hydrogen can be used with both internal combustion engines (ICEs) and fuel cells (FCs); however, hydrogen-fuelled ICE represents a robust a...
Fuel economy of Hybrid Electric Vehicles (HEVs) may be further improved by exploiting the increased connectivity level of next -generation vehicles. Minimization of HEVs fuel consumption is a global problem and its optimal solution inevitably entails the complete knowledge of the driving conditions. Hence, optimality can only be reached on a limite...
Nowadays, the need for more sustainable mobility is fostering powertrain electrification as a way
of reducing the carbon footprint of conventional vehicles. On the other side, the presence of multiple
energy sources significantly increases the powertrain complexity and requires the development of
a suitable Energy Management System (EMS) whose perf...
The introduction of innovative spark ignition engines featuring extreme downsizing, high compression ratio and Miller Cycle has led to an increasing interest in water injection as one of the most promising countermeasures to reduce the knock risk. In this paper, the potential of a Port Water Injection (PWI) system integrated in a state-of-the-art t...
In the upcoming years, more challenging CO2 emission targets along with the introduction of more severe Real Driving Emissions limits are expected to foster the development and the exploitation of innovative technologies to further improve the efficiency of automotive Spark Ignition (SI) engines. Among these technologies, Water Injection (WI), than...
Real Driving Emissions (RDE) regulations require the adoption of stoichiometric operation across the entire engine map for downsized turbocharged gasoline engines, which have been so far generally exploiting spark timing retard and mixture enrichment for knock mitigation. However, stoichiometric operation has a detrimental effect on engine and vehi...
This article analyses the Energy Management System (EMS) of a
Euro 6 C-segment parallel Plug-In Hybrid (PHEV) available on the
European market, equipped with a Flywheel Alternator Starter (FAS).
The car has various selectable operating modes, such as the Zero
Emission Vehicle (ZEV), Blended and Sport, characterized by a
different usage of the elect...
Nowadays the powertrain hybridization represents one of the most promising solution for delivery companies to reduce the fuel expenditure and to meet the stringent requirements of low emissions urban zones. In the framework of the collaborative Italian Regional iDea (innovative Diesel engine applications) project, which aims to develop innovative t...
A plug-in hybrid electric powertrain, as one of the most promising solutions to increase the fuel economy and to meet the stringent requirements of low emissions urban zones, has been investigated and developed for a light duty commercial vehicle application in this work. The plug-in hybrid electric powertrain combines an advanced small diesel inte...
Nowadays the increasing demand for sustainable mobility has fostered the introduction of innovative propulsion systems also in the public transport sector in order to achieve a significant reduction of pollutant emissions in highly congested urban areas. This paper describes both the design and the optimization of an environmentally friendly hybrid...
The performance of Hybrid Electric Vehicles (HEVs) is strongly affected by their powertrain control strategies, in particular when complex architectures are concerned. Therefore the purpose of this paper is to analyze, through numerical simulation, different methodologies to develop an energy management strategy aiming to minimize the overall CO2 e...
Plug-in hybrid electric vehicles (pHEVs) could represent the stepping stone to move towards a more sustainable mobility and combine the benefits of electric powertrains with the high range capability of conventional vehicles. Nevertheless, despite the huge potential in terms of CO2 emissions reduction, the performance of such vehicles has to be dee...
In this paper a novel approach to mimic through numerical simulation Cycle-to-Cycle Variations (CCV) of the combustion process of Spark Ignition (SI) engines is described. The proposed methodology allows to reproduce the variability in combustion which is responsible for knock occurrence and thus to replicate the stochastic behavior of this abnorma...
Although plug-in Hybrid Electric Vehicles (pHEVs) can be considered a powerful technology to promote
the change from conventional mobility to e-mobility, their real benefits, in terms of CO2 emissions,
depend to a great extent on the average efficiency of their Internal Combustion Engine and on the energy
source mix which is used to supply the elec...
This paper presents an original model-based approach to the system level development and calibration of diesel powertrains for passenger cars, implemented in a comprehensive software tool. The models for the different subsystems are coupled to execute optimisation loops, involving also the system calibration, and are characterised by flexibility of...
An approach to the analysis of the performance of the diesel oxidation catalysts is presented in this article. A modeling methodology is proposed, whose main characteristics are the usage of a limited set of input data for the execution of the simulations, the minimal effort required for the preliminary calibration of the models and the reduced com...
Nowadays the increasing demand for sustainable mobility has fostered the introduction of innovative propulsion systems also in the public transport sector in order to achieve a significant reduction of pollutant emissions in highly congested urban areas. Within this context this paper describes the development of the HYBUS, an environmental friendl...
Nowadays, electric vehicles represent a promising solution for reducing the fuel consumption (and thus the carbon dioxide emission) and the pollutant emissions of road vehicles, especially in highly congested urban areas, although their driving range and usability still limit the customer acceptance even for a city car application. Extended-range e...
Different control strategies for a diesel parallel hybrid passenger car were evaluated through numerical simulations. Two different control strategies were analysed: the first focused on fuel consumption minimisation, the second on NO<sub align="right"> x </sub> emissions cuts. Each of these goals was addressed through two different methodologies,...
Hybrid Electric Vehicles (HEVs) represent a powerful technology to save fuel and reduce CO2 emissions, through the synergic use of a conventional internal combustion engine and one or more electric machines. However their performance strongly depends on the control strategy that shares the power demand among the engine and the electric motors at ea...
Dynamic programming (DP) provides the optimal global solution to the energy management problem for hybrid electric vehicles (HEVs), but needs complete a-priori knowledge of the driving cycle and has high computational requirements. This ar-ticle presents a possible methodology to extract rules from the dynamic programming solution to design an impl...
Different hybrid powertrains for an European mid-size passenger car were evaluated in this paper through numerical simulation. Different degrees of hybridizations, from micro to mild hybrids, and different architectures and power sources management strategies were taken into account, in order to obtain a preliminary assessment of the potentialities...
Dynamic programming is known to provide the optimal solution to the energy management problem. However, it is not implementable online because it requires complete a-priori knowledge of the driving cycle and high computational requirements. This article presents a methodology to extract an implementable rule-based strategy from the dynamic programm...
Fuel consumption and NOx emissions of different Diesel-Electric hybrid powertrains, equipping a midsize European passenger car were evaluated in this paper through numerical simulation. Different degrees of hybridizations, from micro to mild hybrids, and different architectures and power sources management strategies were taken into account, in ord...