This paper presents the design of an electric motor for the direct drive of electric vehicle. An allinone specialized tool for the rapid sizing and preliminary design of electric machines such as motors, generators and alternators. Design of axial flux permanent magnet brushless dc motor. Magnax supports the global cleantech evolution by innovating in nextgeneration axial flux electric motor technology for electric vehicles. Magnax offers a new concept, thougha machine that operates with axial flux af. The key to making the axial motor commercially viable was changing the standard axial flux motor configuration into an orbital design. Preliminary design for a motor with 16 rotor poles was chosen in order to achieve. Simcenter speed rapid electric machine design software.
Therefore the designers face a lot of difficulties in designing and optimizing the motor for a given. The yasa 750, yasa p400 series and yasa 400 axial flux motors achieve power densities of up to 10kwkg and torque densities which are significantly better than the. The motor designed was the axial flux inner statornon slot type. Electric machine design using speed and motorcad, by t. Axic2407 rc4wd ze0005 540 crawler brushed motor 35t. 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. It enables engineers to easily design their machines from standard. The eletad electrical tail drivemodelling, simulation and rig prototype. Motorcad electric motor design software tool thirdparty.
An overview of axial machine topologies is given and the design and performance laws that govern the sizing of. Electric motors and generators are used in many different applications but it is not always clear for product developers which type of machine is the best fit for their specific application. The axial flux bldc motors are relatively new, specially at higher power ratings over 10 kw. Screenshot of motorcad electric motor design software, now available. An electric motor is an electrical machine that converts electrical energy into mechanical energy. Jun 14, 2017 this new generation of electric machines is based on recent innovations in axial flux technology. Axiflux is the creator of the adaptive magnetic flux array amfa, the worlds first modular, realtime, software reconfigurable electric motor and generator. Most electric motors operate through the interaction between the motor s magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motor s shaft.
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. The design of the direct drive inwheel motor is shown in fig. It enables engineers to easily design their machines from standard, customized and parametric parts, add windings with multilevel assistant and attribute materials to quickly run a. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. Control of axial flux dc motor with permanent magnet. Design of axial flux permanentmagnet lowspeed machines and performance comparison between radialflux and axial flux machines lappeenranta 2005 153 p.
Developed by motor design limited, motorcad provides a toolkit for the multiphysics simulation of electric motors across the full torquespeed range. Avids evo axial flux motor is ideal for electric vehicle propulsion and other highperformance drive and actuation applications, such as robotics actuators and propulsion systems for electrified aircraft. May 21, 2018 axial flux motors were studied by british inventor and ev enthusiast cedric lynch as early as 1979. I am designing a axial flux interior mkagnet bldc motor pancake. The software calculates the acoustic influence of each component of the ventilation system. 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. Derived principally from pump and industrial motor designs, the robust design. But there is a lot of software around to help you design an axial motor, but nothing for radial. Design and simulation an axial flux permanent magnet motor is different from a conventional electric motor due to the path of magnetic flux inside the motor. Lappeenranta university of technology isbn 9522140295, isbn 9522140309 pdf, issn 14564491. Designs and prototypes of fullsize axialflux and radialflux electric tail rotor. Design of an inwheel axial flux brushless dc motor for. It used sizing equation and finite element analysis fea.
Afpm motor is a hightorquedensity motor easily mounted compactly onto a vehicle wheel. Relative to a traditional electrical motor, the innovative configuration and control of the amfa yields significant size, weight and price reductions, while increasing power. Motorcad is a unique software package dedicated to the electromagnetic performance of motors and generators and the optimization of their cooling. The controlled unit is driven by the induction motor via a gear. Figure 1 provides a comparison of the rf and af technologies 1.
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. Evans electric axial flux induction motors for electric. The motor and generator are at the heart of the vehicle drive and energy system and often utilise expensive rareearth permanent magnet material. The authors firstly investigate the applicability of this type of machine as a generator in small and mediumsized wind turbines, then the applicability as an inwheel hub motor for electric vehicles. In this book two of the most experienced authors in the field have come together to present a practical guide to the design of electric machines using the speed and motor cad software packages. Software design tool for optimum axial flux bldc motors semantic. Axial flux electric motor 3d cad model library grabcad. Modeling of an electric axial flux motor applied to. Axiflux is the creator of the adaptive magnetic flux array amfa, the worlds first modular, realtime, softwarereconfigurable electric motor and generator. Electric motors have been around since the days of michael faraday and nikola tesla, and there have been many improvements and patents related to the. Axial flux af motors and generators have been used in niche automotive applications for many years. In term of flux flow, design of electric motor can be divided to two types. It was developed the analytical model of the entire traction system which consists of a voltage inverter, a afpm motor, a field oriented control foc control system with a torque reference and the dynamic system of the vehicle. It means more run time and less down time, always a winning combo.
Software design tool for optimum axial flux bldc motors. Simulation results are encouraging and open the avenue of research work to. This new generation of directdrive electric machines will. On a radial flux bldc motor, the magnets are positioned such that their. Electric motor design software quickfield fea software. Motorwizard is templatedriven motor design software for.
The yasa yokeless and segmented armature motor topology also significantly reduces manufacturing complexity, making the motors ideally suited to automated volume production. The electric tail rotor system comprises a lightweight and compact electric motor connected via cables to power electronic converters which act to condition and control the power feed to the electrical machine. Oct 20, 2006 the electric motor used should have a high torque density and compact design. Ping umpedac, engineering tower, university of malaya, kuala lumpur, malaysia abstractthe design process of a doublesided slotted torus axial.
This new generation of electric machines is based on recent innovations in axial flux technology. Modeling of an electric axial flux motor applied to electric. Industrial servomotors design of dc and ac permanent magnet servomotors bldc and blac motors can be performed at mds motor design ltd. Our carefully selected partners are experts in the use of the software and can provide support and training. In this paper we present a control strategy of a dc motor with permanent magnets ensuring the variation of the speed, the electric braking of electric cars and guaranteeing to reach the maximum speed set at 80 km h. Pdf axial flux induction motor, design and evaluation of.
Nov 17, 2016 axial flux induction motor for automotive applications hybrid and electric vehicle technology has seen rapid development in recent years. Design of axial flux permanent magnet brushless dc motor for. Simcenter speed rapid electric machine design software by gaetanbouzard december 17, 2018 3 min read as medias and governments are pushing for electrification as a global hype solution against global warming industry players have to quickly embrace this pushed revolution nobody can ignore anymore to still be part of the game. Design of axial flux pm disc motors for electric vehicle applications is one of our areas of expertise. Abstractthe design process of a doublesided slotted torus axial ux permanentmagnet afpm motor suitable for direct drive of electric vehicle ev is presented. Motorcad electric motor design software tool third. Axialflux motors and generators shrink size, weight power. In addition, some of the unconventional axial flux permanent magnet motors designed here at mds motor are.
With the use of flux fea software, design cost and time can be decreased. Given their disk like shape they offer distinct advantages for integration into hybrid powertrains where available length is limited. A permanent magnet motor was designed in the form of an axial flux inner statornon slot type. Most electric motors operate through the interaction between the motors magnetic field and electric current in a wire winding to generate force in the form of torque applied on the motors shaft. This new axial gap motor was built based on the program designed by dr. Axials new vanguard brushless motor is designed to be a replacement motor for 2wd and 4wd 110th scale trucks. This paper presents a new method to optimize the performance in speed, torque, torque stability, power output, power density and motor dimensions in view of the cost and reliability for a. It enables engineers to easily design their machines from standard, customized and parametric parts, add windings with multilevel assistant and attribute materials to quickly run a selection of tests and compare their performance. Because of this they are suitable for a range of highperformance drivetrain applications. Superior performance and efficiency over standard brushed motors with less maintenance. In rfm, the magnetic flux flows radially through the stator, the air gap and the rotor whereas the afm magnetic flux flows in the axial direction. This control strategy is implanted under the simulation environment matlabsimulink.
Multiphysics simulation with ansys maxwell and ansys mechanical part 1 duration. Motor design ltd mdl offer a wide range of consultancy services dedicated to electric machinery design for industrial companies operating in various application fields. So its not so much that axial is better, its just better for start up companies to get something. Developed in 1998, motorcad is used by major motor manufacturers and universities worldwide. Fluxmotor is a flexible software solution dedicated to the pre design of electric motor.
Ansys adds motorcad to electric machine design portfolio. Magnax yokeless axial flux motors for electric vehicles. Preliminary design for a motor with 16 rotor poles was chosen in order to achieve high torque density and stable rotation at low speed. Brushless ipm motor design using flux 2d dedicated motor template overlay used to create and mesh easily the device. The automotive megatrend of the 21st century is electrification of the automobile. Ashwoods axial flux motors design is compact, lightweight, and scalable, producing exceptional levels of performance across the entire elmo range of motors. Therefore the designers face a lot of difficulties in designing and optimizing the motor for a given application. Magnax says the key to the high power density is its motors yokeless af design with two rotors at each side of the machine. Reduced future reliance on hydraulic and oil based systems. If youve ever designed an electric motor, you may have been assisted by a design software package called motorcad. Axic2400 axial ax24007 55t rock crawler electric motor, silverorange. His brushed dc motor design held the magnets stationary with a spinning armature activated by sliding brushes as the rotor. We have designed slotted and slotless, multiple rotor and multiple stator axial flux disk motors before. A newly developed motor design program helps optimize the design of custom motors, including new axial gap motors.
The axial flux bldc motors are relatively new, specially at higher power ratings over 10kw. Designs and prototypes of fullsize axialflux and radialflux electric tail rotor motors were delivered, including comprehensive test data and supporting analyses. Yasa has a portfolio of patents and patent applications covering the key subsystems rotors and stator of our unique axial flux pancake style motor, manufacture and design. Evo axial flux electric motors have one of the highest usable power and torque densities of any electric vehicle drive motor available on the market today. Magnax prepares to manufacture radically highpowered. This paper presents the simulation of an electrical traction system using an axial flux permanent magnet afpm motor using the matlab computational environment. Electric machine design using speed and motorcad motor. Axial flux induction motor for automotive applications. Electric motors can be powered by direct current dc sources, such as from batteries, motor vehicles. Axial flux motor technology ideal topology for hybrid. This paper simulation can be used to optimize a full range of bldc discusses a three phase axial flux outer rotor bldc motor, but motors.
In this book two of the most experienced authors in the field have come together to present a practical guide to the design of electric machines using the speed and motorcad software packages. I found that there are plenty software that will do the sizing and magnetic analysis for radial flux machine, but nothing for axial flux machine. Accordingly, in this study, a widespread design consideration is carried out on rotor skewing arrangements of a dual rotor dr axial flux induction motor with the aim of pulsating torque reduction. Pdf software design tool for optimum axial flux bldc motors.
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. Developed in 1998, motor cad is used by major motor manufacturers and universities worldwide. Magnax yokeless axial flux motors deliver the highest efficiency and extreme power densities for emobility applications. Lightweight, compact, and relatively powerful, the motor was ideal for electric motorcycles. Renewable energy, known also as green or clean energy, is derived from. Jan 16, 2012 a newly developed motor design program helps optimize the design of custom motors, including new axial gap motors. Design and simulation of a 3 phase pm axial flux generator for w. This technology, previously used to hybridize vehicles, has now been applied across the automotive, marine, offhighway and oil and gas industry.
Jan 18, 2018 this short video presents an electric motor basic example. Axial flux induction motor for automotive applications hybrid and electric vehicle technology has seen rapid development in recent years. Access theoretical and physical models of most main classes of electric machines e. Join our indepth conference program to learn about topics from new. The evo permanent magnet axial flux motors are based on proprietary and patented technology that. The technology centred on the use of high efficiency and performance permanent magnet brushless machines, requiring innovative use of modern materials and advanced design methods. The software adjusts the acoustic parameters of the fan in accordance with the operating point. Axialflux motors and generators shrink size, weight. Design of axialflux permanentmagnet lowspeed machines and performance comparison between radialflux and axialflux machines lappeenranta 2005 153 p. Electric motor design software electric motors are devices for conversion of the electrical energy into mechanical energy. Electric motors are devices for conversion of the electrical energy into mechanical energy. Axial flux motors were studied by british inventor and ev enthusiast cedric lynch as early as 1979. With integrated variable speed control software and a new plenum fan design, the axial motor could move the same amount of air at lower horsepower.
Furthermore, thanks to the axial flux design, very little copper is wasted on overhanging loops on the windings. Breakthrough motor design concept changes the game for. The electric motor used should have a high torque density and compact design. This short video presents an electric motor basic example. This paper presents a design of an electric motor for direct drive of electric vehicle.
Flux fea software has wide range of applicationssuch as electric motors, transformers, sensors, linear actuators etc. Motoranalysispm free software for design and analysis. The software generates a noise calculation report for the operating point. Today, most electric machines operate with radial flux rf. The rotor of the electric machine is located on the same shaft as the controlled unit. One of the most strong design areas at mds is axial flux permanent magnet motors.
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