The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. You just need to enter a few preliminary inputs and click a button. Moreover, we also discuss about various factors that affect working of these motors and reliable ways to improve. Emetor is a collection of valuable resources for designing electrical motors and generators. Jul 05, 2018 middrive motors are an alternative to the older design of hub motors. As a result, he developed his first cars as electric cars with electric wheel hub motors that ran on batteries.
Last year was an exciting time for ebike enthusiasts who wanted a mid. Design choices why did we decide to design a 3phase, axial. Nema classification is based on the speedtorque curves. Computer aided design of brushless servo motors, uk magnetics society seminar developments in electromagnetic cad for industrial applications, riba, london, uk. To rotate the bldc motor, the stator windings must be energized in a special sequence. A hub motor is situated in the hub of one of the bikes wheels, either the front or the rear, and creates propulsion by spinning its wheel. Emetor free resources for electrical machine design. The electric wheel hub motor was raced by ferdinand porsche in 1897 in vienna, austria. The motor drives one chainring, and thenthe other chainring drives the gears on the rear wheel. Ancheer folding electric bike ebike, 20 inch electric bicycle with 36v 8ah removable lithiumion battery, ebike with 250w motor and 7 speed gears 3. The aim of the paper is to design a simulation model of permanent magnet brushless dc pmbldc and.
Thermal computer aided design advancing the revolution in compact motors, ieee iemdc conference, mit, massachusetts, usa, 1720 june 2001. The endurance is the first commercial vehicle to feature four inwheel hub motors. Electric bicycle heavyweights shimano and brose both unveil. The electric bicycle system is a systems project that incorporates three different ways of charging a lithiumion battery. The electric vehicle revolution has grown out of conventional vehicle design. New electric motor design massively boosts power, torque, and. Aug 10, 2015 the qs motor company has also decided to begin selling their emotorcycle hubs with axles that that have been modified to fit a bicycle. The motor, arguably one of the most integral components on any ebike, has seen many variations over the years.
Get an explanation of electrical machine design terms. It describes an inhub automotive drive design where two or four motors can create a competitor to a centralized electric drive motor. Idspec,my ecodial l,my ecodial s,eco 8,sisvar international,direct coordination,curve direct,ecostruxure power build rapsody,ecostruxure power design ecodial,canbrass,electrical calculation tools,enclosed motor starter solution guide,ecodial plugin for autocad. As we know there is no plan for a 4wd tesla s any time soon. Motorwizard is electric motor design and simulation software for solidworks users. Electric bicycle heavyweights shimano and brose both. Ac electric motor design software softbit presents an easy way to design lt, 3 ph, tefc, squirrel cage ac electric motors with the help of ac electric motor design software. Motoranalysis is free electric machine design software. Theres a premium put on electric motor designs that deliver power efficiency, and the motorsolve simulator program helps designers realize.
The hub drive motor positioning causes no change to the basic design of the bike, which means a motor can be retrofitted to almost any traditional bicycle using a conversion kit with a hub motor and battery pack. Flux fea software has wide range of applicationssuch as electric motors, transformers, sensors, linear actuators etc. Jmagexpress online now has the ability to evaluate all the motor characteristics like. Nema design b motor is the most common threephase ac induction motor design. With the use of flux fea software, design cost and time can be decreased. Ebike motor and controller michigan state university. He is a registered professional engineer in the state of. A new generation of axial flux ev motors design news.
The endurance was built from the ground up to be a new type of pickup truck. Mdl uses its expert knowledge of electric motor design to provide software and support to electric machine designers at some of the worlds most prestigious companies. Similar to a car, an ebike motor can be mounted at the front, middle, or the rear of the bike and is offered in all sh. Locked rotor torque % of fullload torque pull up torque % of fullload torque. As a motor operates from no load to full load, its torque varies with speed. Tr bldc hub motor for electric cars tr 3d cad model. I have read about the brabus all electric 4wd, and now it seems it is in production. Electric motor design software yeadon energy systems, inc. Up until somewhere around 2000w, it is a huge benefit to efficiency, to give the motor the use of the bicycles gears. Design of efficient inwheel motor for electric vehicles. Aug 11, 2019 longtime slashdot reader namarrgon writes. Their design implements the common idea interaction of the magnetic fields with permanent magnets, ferromagnetics and electric currents carrying conductors to produce the mechanical forces and torques.
He is the ongoing software developer and software trainer of yes software, an electric motor design tool. Qsmotor svmc72150 controller for 2000w3000w electric bicycle. Other than maxwell, what are the softwares available for electric motor design. The inwheel motor hub motor can be used in electric cars with 4wheel independent drive. Ac and dc motor designs and operations are explained in this article. Hardware design considerations for an electric bicycle using a bldc motor unlike a brushed dc motor, bldc motor can be controlled electronically. Linear labs impressive new circumferential flux motor design uses four rotors where other motors typically run one or two and a software reconfigurable, multicoil stator, enclosed in a 3d magnetic torque tunnel to maximize efficiency even at high speeds. Jun 04, 2018 motorsolve for electric machine design mentor infolytica. Motor design ltd is delighted to announce the release of motorcad v12 the latest version of our unique software package dedicated to the electromechanical performance of motors and generators and the optimisation of their cooling. Electric motor and generator design software emworks. Design of bldc hub motor using fem analysis ieee conference.
Make a 24v 5 amps electric dynamo generator from a photocopy machine brushless dc motor bldc duration. Motoranalysis currently supports induction motors and generators, permanent magnet synchronous motors pmsm and generators and brushless dc bldc machines. May 21, 2018 his brushed dc motor design held the magnets stationary with a spinning armature activated by sliding brushes as the rotor. The field of electric drive units is dominated mainly by simple, compact transmissions. This curve shows the motor s torque, as a percentage of fullload torque, over the motor s full speed range, shown as a percentage of its synchronous speed. Its special design for qs brushless dc motors, which can match with qs hub motor rated power 2000w3000w ebike spoke hub motor. Hardware design considerations for an electric bicycle using. This design reduces the number of moving parts and significantly improves vehicle control. Direct drive hubmotors have remained popular for street ebikes that are running hot rod amounts of power. This research paper deals with the design and development of an inwheel motor for electric vehicles. Their motor phase wires are thicker than the other motors listed, and their axle design is stronger. We not only talk about different type of motors but we also see how different motors work under different conditions. Yes electric motor design software enables you to design blds, universal, pmdc, shaded pole ac, and ac induction motors inhouse. Jmag express online now has the ability to evaluate all the motor characteristics like.
Here is my explanation of motor terms electricbike. Electrical design software schneider electric global. One important task is to check whether the electromagnetic torque of the hub motor is sufficient to propel an electric bicycle. Design and analysis of a novel speedchanging wheel hub. By employing finite element methods early in the design process, they can accelerate development and achieve higher machine efficiencies using less material, which reduces costs. The batteries are connected in series to increase the voltage to 24 volts and 18. Design and analysis of a novel speedchanging wheel hub with. Successfully employed many times over, this wheel drive is maintenancefree, quiet and boasts impressive braking energy recuperation and a high starting torque.
The relationship between speed and torque is often shown in a graph, called a speedtorque curve. Five large hot rod hubmotors for street ebikes, the. Electric motors formatted to fit inside the wheel of a vehicle have their own special constraints that impact the design of propulsion systems. Instead of housing the motor in the hub of the wheel, middrive motors use a. Electricvehicle inwheel motor systems replace the transmission, drive shaft, axles, and differentials normally used in a conventional vehicle. Pra 230 wheel hub motor the gearless pra 230 wheel drive is an externalrotor motor with builtin wheel bearing and is mounted directly on the rim. They found an elegant way to increase the diameter of the motor, while attaching the normal length spokes near the hub. The rotor position must be known in order to understand which winding will be energized next. Electric motors are devices for conversion of the electrical energy into mechanical energy. Key design idea alternator alternative to a dc motor transform the way personal transportation is used globally make personal electric vehicles affordable and accessible to everyone alternator as a lowcost alternative to a dc motor create a motor controller for an alternator as motor test novel alternator system.
Hall, throttle, electric lock, high brake level, temp sensor, 05v ebrake, three speed switch, hall speedometer. Whether designing an electric motor for an electric vehicle that needs to be small, efficient and quiet, or for an industrial application where size and sound are not of major concern, it is critical to simulate electric motors early in the design process. China hub motor manufacturers select 2020 high quality hub motor products in best price from certified chinese electric motor manufacturers, china motor. He has 15 years of experience with yes as an electric motor designer, electric motor tester, and software developer. But electric power creates opportunities to innovate. The electric hub motor bike conversion kit system is easy to convert your ordinary bike into electric bike with leaf 68101214161820242627. Motor design limited mdl is a world leader in the development of advanced software design tools for electrical machines. Engineers who design electric machines need simulation tools that can be employed for quick, accurate product development.
The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and. Discover our range of products in electrical design software. Linear labs impressive new circumferential flux motor design uses four rotors where other motors typically run one or two and a softwarereconfigurable, multicoil stator, enclosed in a 3d magnetic torque tunnel. The most powerful electric bike hubmotors available in 2015.
Electric motor design and analysis software by yeadon. Oct 23, 2017 i would recommend you to take a look at emetor. Teamtestbot goes deep into the hows and whys of building these motors, from parts, to windings, to the math behind the power ratios. This isnt the perfect solution for every hubmotor design, butit is well worth remembering. In this work, an inwheel electric motor prototype has been designed for experimental purposes. Find the optimum winding layout or check the performance of your windings. Porsches first engineering training was electrical, not internal combustion based. The working example puts an electric motor inside the rear wheel of a razor scooter. Fluxmotor is a flexible software solution dedicated to the predesign of electric motor. Idspec,my ecodial l,my ecodial s,eco 8,sisvar international,direct coordination,curve direct,ecostruxure power build rapsody, ecostruxure power design ecodial,canbrass, electrical calculation tools,enclosed motor starter solution guide,ecodial plugin for autocad. See how ansys electric motor design simulation software provides a complete virtual prototyping laboratory for electric machine design and development.
Motoranalysis electric motor and generator design and. Middrive motors are an alternative to the older design of hub motors. The table below shows the typical characteristics of all nema b motors. A common method is to use a bottombracket bb crankset with two chainrings. Apr 02, 2009 ac electric motor design software1 author. This is the most common motor configuration used by manufacturers, but middrive motors are gaining popularity. The hubdrive motor positioning causes no change to the basic design of the bike, which means a motor can be retrofitted to almost any traditional bicycle using a conversion kit with a hub motor and battery pack. Brushless dc and permanent magnet ac motor design software. Finite element method magnetics these are probably not the best but absolutely free. Electric bikes or ebikes are one of the fastest growing categories in the cycling industry. Jmagexpress online is a parameterbased motor design support tool.
The design of a bldc hub motor is an iterative process, where many unknown parameters are involved. Key design idea alternator alternative to a dc motor transform the way personal transportation is used globally make personal electric vehicles affordable and accessible to everyone alternator as a lowcost alternative to a dc motor create a motor controller for an alternator as. New inwheel motor systems modify the hub of each electric vehicle ev wheel by adding a complete drivetrain that supplies torque to its associated tire fig. Nov 10, 2015 designing a brushless motor from zero. But wouldnt it be possible for tesla also to use those protean electric motors. Switched reluctance hub motor design application to electric. Jaxpety 26 e bike front wheel 36v 500w electric bicycle cycle ebike hub motor conversion kit hub motor wheel. Electric motor design software electric motors are devices for conversion of the electrical energy into mechanical energy. Inwheel motor systems will propel ev performance power. He has 20 years of consulting experience with dupont. The original training aid for full size bikes with a 24 to 27 inch wheel, supports over 250 lbs, patented design.
China hub motor, hub motor manufacturers, suppliers, price. Our innovative inwheel motor technology generates power directly in a vehicles wheels. New electric motor design massively boosts power, torque. Each cad and any associated text, image or data is in no way sponsored by or affiliated with any company, organization or realworld item, product, or good it may purport to portray. Motoranalysis is based on automated finite element analysis fea simulations and establishes a complete set of tools for design and.
Torque increase as well as the reduction of rounds per minute pose main factors along application specific demands. Instead of housing the motor in the hub of the wheel, middrive motors use a centrally located framemounted motor that ties. This article will serve as a comprehensive guide for articles related to ac and dc motors. Motorsolve bldc is the only motor and generator design software you need to get an. In 2009, the inaugural race for electric motorcycles at the isle of man was won using an agni motor based on lynchs designs. New inwheel motor systems modify the hub of each electricvehicle ev wheel by adding a complete drivetrain that supplies torque to its associated tire fig. It enables engineers to easily design their machines from standard. Electric motor design software quickfield fea software. Hardware design considerations for an electric bicycle. For example, aspects such as planetary or parallel axis gears, drive and. His brushed dc motor design held the magnets stationary with a spinning armature activated by sliding brushes as the rotor. This is one of the ways that the bionx design should be remembered. Here is a list of some of the more popular rear hubs for building up a streetfighter ebike that will embarrass an expensive sports car when the light turns green.
The linear lab motor operates in rotary and linear fashion and the company claims ability to do twice the torque and power of any existing motor to date. Instantly calculates motor design parameters such as torque profile. A motor needs to be designed correctly in order to propel an electric bicycle efficiently. Lightweight, compact, and relatively powerful, the motor was ideal for electric motorcycles. It made sense to start the shift to electric power with traditional single, central motor and drivetrain technologies. Click on the printable brochure below to view additional information and screenshots for each. Which is the best software for designing electrical motors. Qsmotor svmc72150 controller for 2000w3000w electric. A brushless dc motor and pmsm motor consists of a permanent magnet, which rotates the rotor, surrounded by three equally spaced windings, which are fixed the stator.
Nema three phase electric motor designs learning electrical. Electric motor design software yes currently has the following motor design software available. The proposed motor generates a 350watt power drive with a power source of two 12 v batteries. Motorsolve for electric machine design mentor infolytica. The gearbox is perfectly adapted to the respective requirements. Frustaglio is a member of mcma, and is a contributor to the handbook of small electric motors. An engineering guide to ac and dc motor designs and operation. Electric vehicle inwheel motor systems replace the transmission, drive shaft, axles, and differentials normally used in a conventional vehicle. Simulating electric motors with motorsolve youtube. Which is the best software to design pmdc and bldc motors.
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