Hydraulic hybrid vehicle configurations and comparison with hybrid electric vehicle conference paper pdf available june 2018 with 1,272 reads how we measure reads. Huimultiobjective optimization for hydraulic hybrid vehicle based on adaptive simulated annealing genetic algorithm. Obrien said, we are not aware of anything else like it. Technical advances, such as very large diameter, flat format ldff hydraulic motors which produce very high torque in limited drive line space, enable heavy vehicles like refuse trucks and city buses to be fitted with hydraulic hybrid systems. Hybrid synergy drive mechanism the original prius used shrinkwrapped 1. Lowemission hydraulic hybrid for passenger cars springerlink. Optimal matching on driving system of hydraulic hybrid vehicle. With strong demands of energysaving and environmentfriendly vehicles, hydraulic hybrid powertrain is a suitable solution for urban.
And then moved into, in this lecture, talking about how we actually size the components and run a simulation of those using sim hydraulics. The technology uses hydraulic hardware to augment the conventional powertrain engine and. Hydraulic hybrid vehicles are the future vehicle as it is more better and efficient than the traditional cars as hydraulics systems can recover about 75% of the kinetic energy during braking and deceleration, as compared to the 25% recovery from electric hybrids and its proven to be more costeffective than electric hybrid systems. Traditional electric hybrid vehicles combine internal combustion engine power plants with electric motorsgenerators to propel the vehicle or capture its braking energy. The video above illustrates how this hydraulic hybrid system powers a vehicle. The basic models of hydraulic hybrid vehicles are shown and explained. Hybrid power trains are becoming an increasingly popular way of increasing vehicle efficiency and reducing emissions. An approach for optimizing the configuration and sizing of a hydraulic hybrid powersplit transmission is proposed. Hydraulic hybrid vehicles hhvs are mainly operated using engines, or using alternate combinations of engine and hydraulic power.
The hydraulic system comprises a cvt continuously variable transmission hydraulic system, an external hydraulic system, a hybrid control unit hcu and an isg integrated starter generator motor, wherein the cvt. Hydraulic hybrid vehicles, or hhvs use a pressurized fluid power source, along with a conventional internal combustion engine ice, to achieve better fuel economy and reductions in harmful emissions. The latest to show off a vehicle so equipped is artemis intelligent power in the uk. Houston is to place an order for trucks in june and another five in july, says cliff buck of autocar. Technical challenges with hydraulic hybrid vehicles include noise, size, and complexity. In a parallel hydraulic hybrid there is a conventional engine and drive train system with hydraulic hybrid technology attached to the drive shaft to learn more visit how parallel hhvs works. The order follows a comparison of autocar hybrid and compressed natural gasfueled trucks, buck. Are hydraulic hybrid vehicles the future of driving. There are four main modes of operation in a parallel hhv.
In hybrid electric vehicle the engine is the final source of the energy used to power the car. Engineering hydraulic hybrid vehicles using stop to power go a global cleantech opportunity an alternative to electric hybrid vehicles, hydraulic hybrids transfer kinetic energy generated during braking to an accumulator of pressurized fluid, which then provides energy when the vehicle accelerates. How parallel hydraulic hybrid vehicles work in a parallel hydraulic hybrid vehicle hhv, the engine still provides power to the wheels through a standard transmission. The vehicle may be powered by an electric motor, by a hydraulic motor, or by both acting together. Hybrid power trains use dieselelectric or turboelectric to power railway locomotives, buses, heavy goods vehicles, mobile hydraulic machinery, and ships. What are the pros and cons of hydraulic hybrid vehicles. Two new technologies, the floating cupprinciple and a new hydraulic transformer, allow the complete substitution of the mechanical drive of a passenger car for a series hydraulic hybrid transmission. This video clip is an excerpt from nfpas fluid power. Rare earth elements critical resources for high technology pdf. Feb 15, 20 the concept of a hydraulic hybrid powertrain is not a new one, and a number of companies have developed prototypes. Hydraulic accumulatormotorgenerator energy regeneration. The model is then built and downloaded into the mototron board.
Cat how the hybrid excavator system works caterpillar. The new hydrid power train from innas and the rwth aachen university reduces the fuel consumption of a mediumsized car by 50 %. Hydraulic and pneumatic hybrid market update oem offhighway. Machine model hybrid hydraulic excavator hb365lc3 serial numbers 5001 and up workshop repair service manual pdf download general structure and function. In a hydraulic hybrid, pressurized fluid is used as secondary source of power. Introduction to how hydraulic hybrids work howstuffworks. During regeneration the vehicles kinetic energy that is normally lost during braking is captured and used to drive the pumpmotor as a pump. And the major components being first of all the pump.
Other means to store energy include pressurized fluid in hydraulic hybrids. Hhvs, like all hybrid vehicles, use two sources of power to drive the wheels. Jan 23, 2010 the retrofit is a parallel hybrid system that sits between the transmission and rear axle. How series hydraulic hybrid vehicles work in a regular vehicle, power is provided to the wheels by the engine through the transmission and drive shaft. How series hydraulic hybrid vehicles work clean automotive. Like all hydraulic hybrid systems, the companys technology uses a socalled gas spring to send power to the trucks driveshaft, thereby boosting acceleration efficiency and braking capability. Hydraulic hybrid our patented hydraulic launch assist or hla hydraulic hybrid system has two main parts. Cn102910063a hydraulic system and control method for hybrid. The application discloses a kind of hybrid vehicle hydraulic system and control method, is used for realizing pure electronic operating mode starting, and this hydraulic efficiency pressure system comprises. As an adaptable, scalable, modular design, the spicer powerboost hydraulic hybrid system fits into existing vehicle designs with minimal adaptation. Komatsu hb365lc3 hybrid hydraulic excavator workshop. They capture and reuse 7080% of the vehicles brakingdecelerating energy compared to 55% for electric hybrids. A hybrid vehicle uses two or more distinct types of power, such as submarines that use diesel when surfaced and batteries when submerged.
So, with that said we looked at hydraulic hybrid vehicles from first of all talking about various different architectures. Lightning hybrids uses hydraulic tanks for hybrid powertrains. Jul 24, 2015 the spicer powerboost hydraulic hybrid system evaluates power levels needed, predicts operating demands, and determines the most efficient means of operation. For trucks and buses, this can also be less expensive than electric systems, due. The vehicle competed in the michelin challenge bibendum in china with other advanced technology vehicles and received the top overall ranking among all commercial hybrid vehicles delivery. The benefits include lower fuel costs, reduced exhaust emissions and a smaller carbon footprintall without any compromise in production, reliability, durability or operability in all applications. Furthermore, the hydraulicelectric hybrid vehicles consumed 11. A dieselturbine engine drives an electric generator or hydraulic pump, which powers electric hydraulic motors strictly an electric hydraulic transmission not a hybrid, unless it can accept power from outside. In the next few lecture, lectures well be talking about hydraulic hybrid vehicles, and comparing them to electric hybrids in, in this video. A simulation study of power management for a series hydraulic. All electric cars use batteries charged by an external source, leading to the problem of range which is being solved in hybrid electric vehicle. Design and validation of a novel hydraulic hybrid vehicle with wheel.
But in traffic, particularly stop and go traffic, a series hydraulic hybrid can shut its. Peugeot unveils hydraulic, airhybrid 80 mpg car extremetech. A feasibility study of an electrichydraulic hybrid. Dynamicprogramming hydraulic hybrid vehicle power management rulebased. Hydraulic hybrid vehicles a hybrid vehicle is a vehicle that uses more than one source of power for functioning or movement. Cn102910063a hydraulic system and control method for. The toyota hybrid system relies on the voltage of the battery packbetween 276 and 288 v. A new series hydraulic hybrid vehicle model with a regenerative. Hydraulic hybrid vehicle seminar report, ppt, pdf for. Recent trends hydraulic hybrid vehicles ankush menat 2.
That means that, flying down the highway, a hydraulic hybrid isnt much different than a regular car. To the best of my knowledge, hydraulic systems are used to convert kinetic energy a vehicle moving forward to stored energy pressurized fluidgas where instead of a typical braking system the car expends forward momentum into pressurizing some. A 50 litre accumulator with 400 bar maximum pressure can supply approx. Lightning hybrids systems can be installed on medium and heavyduty fleet vehicles as an aftermarket component. Depending on the nature of the nonelectric energy source, we can distinguish between combustion ice, fuel cell, hydraulic or pneumatic power, and human power.
Seminar on hybrid cars hybrid electric vehicles hev full. You can combine the two power sources found in a hybrid car in different ways. Eaton to begin providing hydraulic hybrid retrofit kit in 2010. Pdf model of a hydraulic hybrid vehicle with regenerative. So what i first want to do is, size all of the components or the major components in my series hydraulic hybrid system.
Hydraulic hybrids use many of the same principles as electric hybrids, but instead of using potentially pollutive and heavy batteries, they use lightweight components and clean fluid to power. In a parallel hydraulic hybrid vehicle hhv, the engine still provides power to the wheels through a standard transmission. The city of houston is expected to order 18 new autocar e3 refuse trucks with the runwise series hydraulic hybrid driveline from parker hannifin. Vehicles adopting this new technology have experienced up to a 50% reduction in fuel consumption on a typical route with ancillary benefits including significantly reduced carbon emissions, less brake wear and ease of. Hydraulic powersplit architecture is chosen in this study for its flexibility in operation and combined advantage of series and parallel architecture. Pdf hydraulic hybrid vehicle configurations and comparison with. The presently described apparatus and method describes the construction, use and operation of a hydraulic hybrid vehicle including the components and the manner by which the components are integrated into a standard electric powered vehicle. Another hybrid option has been put forth and tested by a number of businesses, as well as the environmental protection agency epa. Remember, the hydraulic hybrid system gets its power through regenerative braking. Seminar on hybrid cars hybrid electric vehicles hev. Jim obrien, of hybriddrive systems, in deerfield michigan, converted a 1968 volkswagen beetle into a hydraulic hybrid.
The demonstration vehicle is a 24,000pound ups package car, fitted with an epapatented fullseries hydraulic hybrid drive integrated into the rear axle. Paper will also discuss the technologies used in the making of hybrid cars such as hybrid solar vehicle, hybrid electric. Abstractthis paper presents a hydraulic hybrid vehicle drive train to improve. The invention discloses a hydraulic system and a control method for a hybrid electric vehicle, which are used for implementing starting under the pure electrical working condition. Jan 23, 20 auto manufacturer peugot citroen has teamed up with bosch to create a hybrid car that uses hydraulics to capture and transfer energy. Pdf energy efficiency comparison between hydraulic hybrid and. Powersplit or hydromechanical transmissions hmt have advantages over series and parallel architectures. Vehicles adopting this new technology have experienced up to a 50% reduction in fuel consumption on a typical route with ancillary benefits including significantly reduced carbon emissions, less brake wear and ease of driving compared with other hybrid systems. Scribd is the worlds largest social reading and publishing site. The co2 emissions are reduced to 82 gkm, a level far. Optimal design of powersplit transmissions for hydraulic.
Mp4 seconds, 4,674kb, webm seconds, 938kb, ogg seconds, 983kb. Hybrid hydraulic drives kd solutions kinetics drive. Electronics help cut costs of hydraulic hybrid trucks. Comparison of fuel economy between hydraulic hybrids and. It uses the momentum of the truck to compress hydraulic fluid when slowing the vehicle and then releases. Abstracthydraulic hybrid vehicles are inherently power dense. The cat 336e h hybrid excavator uses a new hydraulic hybrid technology developed by caterpillar to capture and reuse energy. The hydraulic hybrid line provides very high power density. Series hydraulic hybrid system wherein the pump is directly connected to the driveshaft. The hydraulic components are attached to the driveshaft and assist in stopping and accelerating the vehicle. Simulationbased optimization of a series hydraulic hybrid vehicle. Fabrication of hydraulic hybrid system for four wheeler2. Explore hydraulic hybrid vehicle with free download of seminar report and ppt in pdf and doc format.
Energy efficiency comparison between hydraulic hybrid. In some of these cars, fluid hydraulic technology is used as an additional source of power along with diesel or gas these are. The other problem is that to get the 458 kj, you have to supply 500 kj of heat. This article makes it seem as though the hydraulic system is the component which powers the car during all phases of operation. Hydraulic hybrid vehicles california clean air technology. Electrichydraulic hybrid drivetrain for city vehicles. Also explore the seminar topics paper on hydraulic hybrid vehicle with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year 2019 2020. Other means to store energy include pressurized fluid in hydraulic hybrids the basic principle with hybrid vehicles is that the different motors work better at different speeds. The hydraulichybrid line provides very high power density.
Seminar on hybrid cars hybrid electric vehicles hev full report pdf download abstract have you pulled your car up to the gas pump lately and been shocked by the high. The benefits include lower fuel costs, reduced exhaust emissions and a smaller carbon footprintall without any compromise in. Design and analysis of hydraulic hybrid passenger vehicles. But in traffic, particularly stop and go traffic, a series hydraulic hybrid can shut its engine off and use hydraulic power alone. Hydraulic hybrid vehicle configurations and comparison with.
584 1104 649 496 1578 1436 1042 1423 1299 937 217 13 1313 956 1218 1484 1474 306 1167 917 111 1549 1343 1336 565 756 888 1003 1369 1183 943 30 389 30 235 353 1338 890 1075 1027 1179 1120 599