Department of energy doe, the gasoline engine and the electric motor are both connected to the transmission. Energy management of throughtheroad parallel hybrid vehicles. A plugin, chargedepleting, parallel hybrid powertrain has been developed for a high performance sport utility vehicle. Parallel drivetrains in vehicles with parallel hybrid drivetrains, the engine and electric motor work in tandem to generate the power that drives the wheels. Pdf in the last years there is a growing interest in electric and hybrid electric propulsions due to environmental concerns. Control strategies for a seriesparallel hybrid electric vehicle.
When compared to the parallel hybrid design, series hybrid systems achieve better fuel efficiency and emission reductions. Architecture of hybrid and electric vehicles nptel. Bosch parallel full hybrid system explained autoevolution. Dynamic model of a pretransmission parallel hybrid electric vehicle. In modern motors batteries can be recharged through. Pdf a seriesparallel hybrid electric powertrain for industrial vehicles. In a parallel hybrid, both the electric motor and the combustion engine work together to power the vehicle. A hybrid gives a solution to all the problems to some extent. In this paper, a control strategy of a cvt based parallel hybrid electric vehicle is proposed. Hybrid electric vehicle, simulation, performance comparison abstract the aim of this study is to compare the energy consumption and performance criteria of conventional vehicle with series hybrid vehicle and parallel hybrid vehicle those contain different traction systems.
Structure of a parallel hybrid electric vehicle most designs combine a large electrical generator and a motor into one unit, often located between the combustion engine and the transmission, replacing both the conventional starter motor and the. Parallel hybrid electric vehicles parallel hevs mierlo. Figure 1 shows the schematic of the target vehicle. Hybrid electric vehicle hev models currently populating the vehicle electrification landscape indicate their dominance in the market. The final design is a parallel plugin hybrid electric vehicle using e85 fuel and a 7 kwh battery to provide an allelectric charge depleting range of 34 km 21 mi. Abstract the requirements of passenger cars regarding. Control strategies for a series parallel hybrid electric vehicle 20010154 living in the era of rising environmental sensibility and increasing gasoline prices, the development of a new environmentally friendly generation of vehicles becomes a necessity. A hybridelectric generates fewer emissions from its inter combustion. Parallel hybrid parallel hybrid systems have both an internal combustion engine ice and an electric motor in parallel connected to a mechanical transmission. The engine is connected to the torque converter tc, whose output shaft is then coupled to the transmission trns. A schematic of the vehicle and the propulsion system is given in figure 1. Firstly, introduces the phev configuration and briefly describes the simulation model. Hev powertrain operation is totally different from the.
The series parallel hybrid system uses an electric motor to drive the vehicle at low loads and speeds and a gasoline engine when loads and speeds increase. You can combine the two power sources found in a hybrid car in different ways. Parallel hybrid electric vehicles parallel hevs hybrid and electric powertrains. Topology considerations in hybrid electric vehicle powertrain. It in effect provides a complete backup power train. In a parallel hybrid, the electric motor acts as a generator. All electric cars use batteries charged by an external source, leading to the problem of range which is being solved in hybrid electric vehicle.
Engine in a series hybrid is not coupled to the wheels. A control unit determines the best balance of power to achieve the most efficient vehicle operation. If proper research and development is done in this field, hybrid vehicle promises a practical, efficient, low pollution. A parallel hybrid is propelled by both an internal combustion engine ice and an electric motor connected to a mechanical transmission. The powers from electric motor and ice are pooled together with the help of mechanical coupling. Topology considerations in hybrid electric vehicle powertrain architecture design by alparslan bayrak a dissertation submitted in partial ful llment of the requirements for the degree of doctor of philosophy mechanical engineering in the university of michigan 2015 doctoral committee. Aug 04, 2010 the parallel full hybrid layout can be used as a more costeffective solution compared to other hybrid concepts. Series hybrid vehicle system design considerations parker. For the series parallel hybrid vehicle model shown in figure 1, we divided into the following subsystems.
A full hybrid vehicle with parallel hybrid powertrain and. Parallel hybrid configuration an overview sciencedirect topics. Figure 2 shows the operating modes of a series parallel hybrid with pretransmission. There is no separate generator in a parallel hybrid. The control strategy is developed based on the assumption that the energy flow fromto the motorbattery within a successive deceleration and acceleration process is equal. The hybrid electric vehicle hev uses an electric motor powered by electricity from a generator, which is powered by a small gasoline internal combustion engine ice. Hybrid electric vehicles offer the potential for fuel consumption improvements when compared with conventional vehicle powertrains. A hybrid controller design for parallel hybrid electric vehicle. Feb 25, 2015 this larger battery and motor, along with the generator, add to the vehicles cost, making series hybrids more expensive than parallel hybrids. Once exceeds, engine power is set at and the motor is activated to make up the difference. Subsequently, the torque management strategy is presented.
In a parallel configuration, the internal combustion engine ice and electric motor em drive the vehicle in tandem. For example, a hybrid may receive its energy by burning petroleum, but switch between an electric motor and a combustion engine. However, the mechanical coupling adds to the complexity in control algorithm for the vehicle. Most designs combine a large electrical generator and a motor. An enginedisconnect clutch replaces the torque converter for improved efficiency. Power distribution between the engine and the motor is varied so both run in their optimum operating region as much as possible. Parallel and series hydraulic hybrids howstuffworks. Introduction hybrid electric vehicles hevs offer the potential to considerably increase the fuel economy of a vehicle, while reducing the overall emissions of a conventional powertrain 3. Pdf artigo completo the hybrid electric vehicle hev became an alternative to reduce the fuel consumption. Evs25 world battery, hybrid and fuel cell electric vehicle symposium.
Advanced vehicle powertrain design using modelbased design. The hierarchical control structure of parallel hybrid electric vehicle systems is first introduced and the drive control problem of the vehicle is formulated using the hybrid dynamical system theory. Hybrid electric vehicle an overview sciencedirect topics. Parallel hybrid vehicles tend to be mechanically complex, requiring a larger combustion engine, a transmission, and a mechanism to couple both motors to the drive wheels. Energy management in a parallel hybrid electric vehicle with.
Fuzzy logic controller for parallel plugin hybrid vehicle. Electric motor is the only means of providing power. The fuel consumption benefits which can be realised when utilising the hybrid electric vehicle architecture are. In hybrid electric vehicle the engine is the final source of the energy used to power the car. Parallel hybrids use both an electric motor and an engine to power the driven wheels in a car. A through the road parallel hybrid demonstrator vehicle has been created by installing inwheel motors to the rear axle of a standard gasoline powered csegment car. Pdf modelling and heuristic control of a parallel hybrid. If it is possible to convert existing hybrid vehicle into plugin hybrid vehicle, it. An alternative parallel hybrid is the through the road type. Parallel hybrid electric vehicles wiley online library. Modelling and analysis of plugin seriesparallel hybrid.
A gasolineelectric hybrid car or hybrid electric vehicle is a vehicle which relies not only on batteries but also on an internal combustion engine which drives a generator to provide the electricity and may also drive a wheel. A hybrid vehicle is a vehicle that uses two or more distinct power sources to move the vehicle. Fuzzy logic control for parallel hybrid vehicles article pdf available in ieee transactions on control systems technology 103. Pdf modeling and simulation of a serial parallel hybrid. A hybrid electric vehicles short form is hev and it could be a style of hybrid vehicle and an electric vehicle that mixes a standard combustion engine ice system with an electrical system hybrid vehicle drivetrain. Integrated optimal design for hybrid electric vehicles pure. The powerful, independently controlled, electric motors work in combination with the standard front wheel drive configuration. In a series hybrid, the gasoline engine is not coupled directly to the wheels, while it is in a parallel hybrid.
Parallel hybrid systems have both an internal combustion engine ice and an electric motor in parallel connected to a mechanical transmission. For power distribution between the motor and engine, first, the motor power is determined from the viewpoint of battery energy. Energy management strategy for a parallel hybrid electric truck. Aug 09, 2011 conclusions using the concept of hybridization of cars results in better efficiency and also saves a lot of fuel in todays fuel deficit world. The term most commonly refers to hybrid electric vehicles hevs, which combine an internal combustion engine and one or more electric motors. In this system a conventional drivetrain powers one axle, with an electric motor or motors driving another. In this paper, a fuzzy logic controller is developed for hybrid vehicles with parallel configuration.
This study provides information about series parallel hybrid electrical vehicle s technology and defines tools for modeling the vehicle. Electrical vehicles have a long history combining internal combustion and electrical. Schematic of the parallel hybrid electric vehicle 2. Engine size is smaller the battery pack more powerful. Publishers pdf, also known as version of record includes final page, issue and.
Parallel hybrid configuration an overview sciencedirect. In a parallel hydraulic hybrid vehicle hhv, the engine still provides power to the wheels through a standard transmission. Torque control strategy for parallel hybrid electric vehicles. One of the reasons for this is the fact that it only uses one electric motor, which. The hydraulic components are attached to the driveshaft and assist in stopping and accelerating the vehicle.
The hybrid vehicles may be classified into series hybrid, parallel hybrid, series parallel and complex hybrid 4. The ice was sized to meet steady state highway loads while the em was used for low speed driving and transient conditions. Pdf fuzzy logic control for parallel hybrid vehicles. Most of the hybrid vehicles on the road are parallel in nature and battery is recharged directly by the engine. Structure of a parallel hybrid electric vehicle most designs combine a large electrical generator and a motor into one unit, often located between the. Hybrid vehicle drive trains transmit power to the driving wheels for hybrid vehicles. Design and development of a parallel hybrid powertrain for a.
The taxi, which used a parallel hybrid configuration allowing flexible switching between the gasolineengineandelectricmotor,loggedover8,000milesontheroad. A control strategy for the seriesparallel hybrid vehicle was developed, where the electric motor and the engine can work individually or together. A hybrid vehicle has multiple forms of motive power. A hybrid powertrain for an automotive vehicle comprising an internal combustion engine and transmission assembly providing a first selectably shiftable geared torque flow path to vehicle traction wheels and an electric motorgenerator unit defining a second geared torque flow path that is located between the output of the first geared torque flow path and the traction wheels. Ein parallel hybrid antriebsstrang, wie im unteren prinzipbild dargestellt, setzt sich aus einem beliebigen verbrennungsmotor 1. Seriesparallel hybrid car systems freeautomechanic. The vehicle system in this study is configured as a parallel hybrid with the electric motor positioned after the transmission. Best ppt for seminar on hybrid electric vehicle and type of. A simulation of energy recycling concept in automotive application using. When fuel travels to the engine or when the electric motor is turned on, the power that is generated propels the car. Hybrid electric vehicle ppt and pdf report for ece. The plugin hybrid is usually a general fuelelectric parallel or serial hybrid with increased energy storage capacity, usually through a lithiumion battery, which allows the vehicle to drive on allelectric mode a distance that depends on the battery size and its mechanical layout series or parallel. Although electric, plugin, and fuel cell vehicles are making inroads in the market, the hev stands as the market leader in adoption, and manufacturers have no plans on diminishing hev production. Us57425a parallel hybrid powertrain for an automotive.
Hev types center for advanced automotive technology. A hybrid vehicle uses multiple propulsion systems to provide motive power. A full hybrid vehicle with parallel hybrid powertrain and electric clutch deiml, mathias, rampeltshammer, martin, toens, matthias, kruse, ralf, turek, marko siemens ag, siemens vdo automotive, germany keywords parallel hybrid powertrain, electric drive, electric air conditioning, driving strategy, high power battery, ipm. While all hydraulic hybrids use reservoirs, accumulators and pumps, there are two ways those components can be coupled with a vehicle. The first, a parallel hydraulic hybrid, simply connects the hybrid components to a conventional transmission and driveshaft. This arrangement was used by the earliest off track trolleybuses. In a parallel hybrid configuration, ice and electric motor are connected in parallel to deliver power to the wheel as shown in fig. Phev consists of an electric motor and a conventional powertrain system combined such that tractive power can. Power management strategy for a parallel hybrid electric. Introduction to hybrid electric vehicle systems sae training.
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