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Showing 1 to 16 of 16 for “"Parallel hybrid"”.
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Predictive energy managament strategy for a parallel hybrid electric vehicle
… and predictive energy supervisory controller for hybrid electric vehicles (HEVs) is presented. Its objective is to minimize the fuel consumption (FC) of HEVs using the information on the current state of charge (SoC) of the battery, data available from a standard on-board navigation system and …
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Model and Control System Development for a Plug-In Parallel Hybrid Electric Vehicle
The Hybrid Electric Vehicle Team (HEVT) of Virginia Tech is participating in the EcoCAR 3 Advanced Vehicle Technology Competition series organized by Argonne National Labs (ANL), and sponsored by General Motors (GM) and the U.S. Department of Energy (DOE). EcoCAR 3 is a 4-year collegiate …
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Drive Quality Improvement and Calibration of a Post-Transmission Parallel Hybrid Electric Vehicle
The Hybrid Electric Vehicle Team (HEVT) of Virginia Tech is one of 16 university teams participating in EcoCAR 3, the latest competition in the Advanced Vehicle Technology Competitions (AVTC) organized by Argonne National Labs. EcoCAR 3 tasks teams with converting a 2016 Chevrolet Camaro into a …
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Development of a Parallel Hybrid Energy Management Strategy with Consideration of Drive Quality and State of Charge Dynamics
The development of a rule-based hybrid energy management strategy for a parallel P4 full hybrid without access to a functional prototype is presented. A simulation model is developed using component bench data and validated using EPA-reported fuel economy test data, including a proposal for …
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A study in hybrid vehicle architectures : comparing efficiency and performance
… the internal combustion engine (ICE), the parallel hybrid (i.e. Toyota Prius), the serial hybrid (i.e. Chevrolet Volt), and the electric vehicle (i.e. Chevrolet EV-1). These four power schemes represent the most prominent power architecture options available to automotive designers and …
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Optimal Battery Weight Fraction for Serial Hybrid Propulsion System in Aircraft Design
… propulsion technology associated with serial hybrid power plants most commonly associated with urban air mobility vehicles. While closed form analytical solutions for parallel hybrid aviation cases have been determined, optimized serial hybrid power plants have not seen the same degree of …
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Development and Testing of a Hybrid Vehicle Energy Management Strategy
An energy management strategy for a prototype P4 parallel hybrid Chevrolet Blazer is developed for the EcoCAR Mobility Challenge. The objective of the energy management strategy is to reduce energy consumption while maintaining the drive quality targets of a conventional vehicle. A comprehensive …
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Vehicle powertrain model to predict energy consumption for ecorouting purposes
… electrified vehicles are less studied. Hybrid vehicles are particularly complicated to model due to additional components, systems, and operation modes. This methodology has been validated to represent conventional, battery electric, and parallel hybrid electric vehicles. A sensitivity …
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The effects of drive cycle accessory load and degree of hybridization on fuel economy and emissions for hybrid electric buses
Hybrid Electric Vehicles (HEVs) have gained much attention in recent years. This is mainly due to rising fuel prices and increasing environmental awareness. By implementing electricity as one of the power sources, a HEV can not only reduce fuel consumption but can also decrease tailpipe emissions. …
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Parallelization of hybrid multi-objective evolutionary algorithm on multi-core architectures
… for the strengths and weaknesses of PC and NPC, hybrid frameworks such as BCE (bi-criterion evolutionary) have been proposed. In BCE, the PC and NPC algorithms evolve separately, but also co-operate by exchanging information to explore and exploit the objective space. In the literature, two …
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Development of Broadband Semiconductor Laser Frequency Combs
… of the guided mode property, and conducted parallel hybrid 1D-2D parametric optimization in a vast parameter space. Last but not the least, through years of process optimization, we overcame several major challenges and fabricated high aspect-ratio, low critical dimension (CD) variation …
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Performance scaling of a novel Modular Hybrid Propulsion System for aircraft flight performance flexibility and enhancement
A novel propulsion system concept, the Modular Hybrid Propulsion System (MHPS) is introduced that has the potential to enable a step-change in aircraft performance and flexibility over traditional carbon-fuel propulsion systems. The MHPS describes a hybrid propulsion system where the electrical …
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Seisan! ... Ichi ... Ni ... San! : the kick of Design for Six Sigma in the automotive industry
… benefits for the automotive industry. Using the Parallel Hybrid Truck Program at General Motors Corporation, the largest US automotive manufacturer, as a case study, the implementation of Design for Six Sigma within the automotive industry is explored. It is obvious Design for Six Sigma will …
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Implementation of a Hardware-in-the-Loop System Using Scale Model Hardware for Hybrid Electric Vehicle Development
… designed to simulate the REVLSE Equinox split parallel hybrid consists of five direct current (DC) permanent magnet motors. These motors are used in the system to test the controller software of the vehicle. Two of the motors act as power plants simulating the spark ignited Ethanol engine and …
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A COMPREHENSIVE METHODOLOGY for the OPTIMIZATION of the OPERATING STRATEGY of HYBRID ELECTRIC VEHICLES
… are developing new technologies such as the Hybrid Electric Vehicles (HEVs). These innovative systems combine the main benefits of traditional Internal Combustion Engines (ICEs) with those of Battery Electric Vehicles (BEVs), while overcoming their main drawbacks. HEVs can offer significant …
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High-performance power converters leveraging capacitor-based energy transfer
… the active and passive devices. In particular, a hybrid approach is adopted, where both capacitors and inductors are used in the voltage conversion and power transfer process. Conventional capacitor-based converters, called switched-capacitor (SC) converters, suffer from poor efficiency due to the …