Design and Monitoring Technology for Diesel-Electric Hybrid Power System
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".
Deadline for manuscript submissions: closed (10 October 2025) | Viewed by 2070
Special Issue Editors
Interests: UMGT; hybrid vehicles and systems; machinery design; energy systems; ORC; heat exchangers; diagnostics; turbomachinery; volumetric machinery; biomedical machinery application
Special Issues, Collections and Topics in MDPI journals
Interests: hybrid electric powertrain; storage system; thermal management; supercapacitor; vehicle dynamics; internal combustion engines
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
More and more often in the automotive sector we are witnessing the creation of truly innovative models. Everything is produced to meet the needs of the market. But a question arises: what will be the engine of the future?
Without a doubt, we cannot forget the diesel–electric hybrid car. Among the advantages of this car, there is certainly the very versatile diesel engine, in addition to all the advantages related to the use of electric. This is why the diesel hybrid system is the most appreciated by motorists, followed in turn by the hydrogen system, the electric–petrol hybrid, and rechargeable hybrid, electric and methane systems. The choice therefore falls primarily on the engine of the future, or the diesel hybrid system, for several reasons: the car is considered as a widely used vehicle and, therefore, also for this reason, great attention is paid to the right mix between the expense for the purchase of the vehicle and operating costs. The most advanced mild hybrid diesel engines offer modest savings (in the order of 10 percent) in the field of city emissions, but just outside urban centres, the technologies with an integrated starter alternator and sailing functions in force of the most advanced large models have countless advantages. Among these, with distances of more than 1000 kilometres with a full tank, Euro 6-Dtemp light hybrids that are currently on the market are fluid, silent, and powerful and suffer very little from the driving style. Moreover, not having heavy battery packs to transport as happens with full or plug-in hybrid cars, fuel consumption on the highway (when the contribution of any hybrid system is very low due to high speeds) remains low even when driving D and E segment models. The extra costs required for plug-in cars are justified only in the daily recharging of the battery pack in order to take advantage of the full-electric distance (between 40 and 100 km depending on the model) in urban centres and surroundings. However, it must be said that when traveling without residual electrical sap, the battery pack of the plug-ins is a substantial additional weight.
In the case of all propulsions, the dividing line between efficiency and waste lies primarily in the choice of the engine best suited to the place where it will be used, and to personal needs. Thus, if the car has to sustain annual four-zero mileage with large loads in tow, the latest generation mild hybrid diesels are currently the most practical, convenient and cost-effective solution.
Prof. Dr. Roberto Capata
Prof. Dr. Leone Martellucci
Guest Editors
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Keywords
- diesel hybrid
- mild hybrids
- economic analysis
- system overview
- system optimization
- vehicle management
- control logic
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