Turnkey planar motors. Exploiting motor-inherent magnetic field for displacement measurement has been paid much attention as it can greatly reduce setup complexity. Turnkey planar motors

 
Exploiting motor-inherent magnetic field for displacement measurement has been paid much attention as it can greatly reduce setup complexityTurnkey planar motors  In levitation control, the decoupling matrix is used to decouple the strong cross-coupling effect

a novel 3-DOF short-stroke DC planar motor are investigated. The force and torque are calculated with Lorentz force law, which can be essentially expressed as the calculation of the volume integral. Whilst many vendors will remain at 28nm, the ‘big guys’ have forged ahead with migrating to lower technology nodes. planar motor are therefore performed in these axes: Precise rotation around the center of the platform (drive mode C) is considered challenging, but is expected to be possible with suitable. Planar motor-based smart conveying systems are ideal for applications ranging from clean to harsh environments and is a disruptive technology transforming the manufacturing industry. Keeping in line with its hi-fi bones, the Planar 1 Plus’s high mass phenolic platter is driven by a belt drive system that’s powered by a 24-volt synchronous AC motor. Both conduction and switching losses are addressed with Power MOS 7® by significantly lowering RDS(ON)and Qg. XBot. Principle of the “Multi-planar” volumetric 3D display using a high speed projection engine and a rotating double helix screen. In this paper, a planar flux-switching permanent magnet (PFSPM) motor, which is the first of its kind for planar motors, is designed and analyzed. Planar Motors are smart robots that use magnetic forces for levitation and propulsion. American Gasser. The coils are powered via cables, which have to move together. These patents describe planar motors which have significant limitations. 23 d). Planar motors offer clean, silent, flexible automation without the need of maintenance. An additional term is introduced to a cost function to improve the positioning accuracy, which provides an output. This build features higher quality parts from the ground up at a more reasonable cost. Exploiting motor-inherent magnetic field for displacement measurement has been paid much attention as it can greatly reduce setup complexity. Building Virtual Worlds. Plug offers fully integrated. Features include 2,000 line quadrature encoder, 10 ft. Its camshaft profile provides up to 18 in. Contactless motion and fully solid-state. power cables & pre-wired connector. 7L, 6. Florian Mendei posted images on LinkedIn. To achieve these goals, modern wafer stages rely on the use of magnetically-levitated planar motors. 1 ohms & maximum speed of 3,000 rpm. B&R is a shareholder in Planar Motors. Custom built to fit your needs. To achieve these goals, modern wafer stages rely on the use of magnetically-levitated planar motors. Magnetization patterns for planar motors[6] Brushless planar motor [6] Flat multipole permanent magnet width 44mm, length 44mm, thickness 5mmFig. Planar Motor | 1,640 followers on LinkedIn. The mover can meet challenging requirements and can work under extreme conditions. Turnkey System. FAQ. Hygienic XBots. In order to improve the dynamic performance of permanent-magnet motors, many analysis and optimization methods have been proposed. The Sawyer motor is one of the earliest inventions in this category [4]. 1L & 8. Standard Delivery. The GMC/Chevy 5. The maglev planar motor is one of the most promising industrial applications. The parameters of the magnet structures are optimized to maximize the. Planar motor-based smart conveying systems are ideal for applications ranging from clean to harsh environments and is a disruptive technology transforming the manufacturing industry. 7mph on water. TurnkeyManifest. Beta Features. This paper describes a short-stroke Lorentz-force-driven planar motor which can realize three-degree-of-freedom motions in high-precision positioning systems. Shop Diesel Heaters Planar for boats, trucks, cabins and motor homes. Planar Motor Watch Planar Motors used in the real world. Using these expressions,. 0:1 compression ratio can be run on 87 octane pump gas. For racing applications, we can build turnkey engines as big as 3000cc. 1 Introduction. Deutsch. Despite their relatively simplicity, Sawyer motors operated with microstepping drives are common in high-precision semiconductor processing applications, such as wafer steppers, wafer probers (for testing), and wire bonders. D. The newly developed T-shape Halbach magnet array is proposed. Turnkey Systems - Planar Motor Turnkey Systems All Turnkey Systems include: Control system hardware and software (PMC and PMTool) PLC interface via EtherNet/IP,. Planar motors that are applied to semiconductor wafer-stage processes have 14th-order nonlinear dynamics and require high resolution for position tracking. Michigan Motorz offers drop-in packages to replace nearly any 3. Flyway. Chevrolet Performance’s SP383 EFI Turn-Key kit offers the strong pull of the proven 383 “stroker” combination and the contemporary convenience of electronic fuel injection, delivered with the distributor and damper installed. used in this section include the following: a) the motionThis control is the first of its kind for planar motors. This Ford Inline 6 engine was introduced in the mid-80s for use in Broncos, F Series pickup trucks and Econoline vans to name a few. In [7,8], the analytical expression of the magnetic fieldplanar motor with 6-degrees-of-freedom (DOF) motion can realise a limited planar motion of 50 mm × 50 mm while the positioning noise is about 5 nm, which was designed andPerformance LS3 6. 2L is poised to go down in history as one of Chevrolet’s best and. 4170 N Lydell Ave Milwaukee, WI 53212 Phone: 414‑963‑1020 Store & Phone Hours: Monday‑Friday 9:00AM - 3:00PM Saturday CLOSED Sunday CLOSED A maglev planar motor is a multi-input and multi-output, non-linear and strongly coupled system. In this paper, a novel Lorentz-force-driven DC planar motor with low force ripple is proposed. The global leader in magnetically levitated planar motors, designing and manufacturing smart conveying robot systems. planar motor designs, magnetically levitated planar motors with moving magnet have the potential to greatly improve the performance of motion stages by eliminating the force disturbance from umbilical cables and hoses that supply electricity and cooling water to motion stages, and can be easily extended to multiple-stage application. Planar motors are intended to replace X-Y stages in various. S. . starter kit for planar motor technology, 2 APS4322 planar motor tiles, 2 APM4220 movers, Industrial PC, software, pre-installed, ready for operation, with plexiglass cover and. Nos. | Planar Motor Incorporated (PMI) is the global leader in magnetically levitated planar motors, designing and manufacturing smart conveying robot systems with unprecedented. 0L Engine and transmission. The system does not require any lubrication nor generate any contamination. WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which. Yi Zhang with Susan Finger Stephannie Behrens Table of Contents . . Contact us for direct sales in North America, Europe and the World. comEstablished in 1974, ETEL provides a range of linear motors, torquePlanar motor is used as an actuator to directly produce multi-degree long stroke, high speed, and high precision movement. I. purchase one of our crate engines, one of our specialist selections. Class reference. Factory Mast. These professionally engineered Kit Cars eliminate the guesswork and bolt together using only basic hand tools. Its performance mainly depends on the topology and design of magnet array. 1960s. The moving element is a planar plate made of aluminum alloy with dimensions of 378 mm length, 393 mm width and 25 mm height, and weight of 24. With the XPlanar starter kits, Beckhoff provides turnkey systems for a quick entry into the XPlanar technology. Off-Center Load Demo. The first building platform in the game. Applied Technologies – Machine integration,. . BluePrint Engines GM 454 C. starter kit for planar motor technology, 2 APS4322 planar motor tiles, 2 APM4220 movers, Industrial PC, software, pre-installed, ready for operation, with plexiglass cover and transport case. This makes an ATK built crate engine has a superior design over the original engine by. Frequently bought together. Planar Motor. semiconductor manufacturing systems and precision machine tools but also in automated assemblies. 概要. Its headquarter is in Vancouver, Canada, with subsidiaries in major continents. Leveraging our industry knowledge and experience we will team with your engineering staff to help solve applications, recommend design. . 1Planar HEXFET™ structure Trench structure Source metal Gate metal Buried source poly metal Back Dielectric Gate oxide source poly field plate N type silicon Gate electrode Gate poly Drain A A [R. (PMI) on January 27, 2021. The following part of this paper is organised as follows. Planar motor-based smart conveying systems are ideal for applications ranging from clean to harsh environments and is a disruptive technology transforming the manufacturing industry. Planar Distribution Ltd. A video wall solution could include LED or LCD display tiles, power controllers, content management and processing solutions, AV distribution systems, and video wall controllers. Abstract: In this paper, an overview of analytical techniques for the modeling of linear and planar permanent-magnet motors is given. 9 kg. Due to the decrease in electromagnetic force caused. Michigan Motorz offers complete turn-key engine packages for nearly every inboard and sterndrive application. Planar motors are smart industry robots that use magnetic forces for levitation and propulsion with six degrees of freedom. It uses advanced technology like Unreal Engine and Reality Engine from Zero Density to deliver customized solutions that fit customer needs. Our[1] [2] [3][4] The planar switched reluctance motor (PSRM) is a promising candidate among planar motors, owing to its easy manufacture, low cost, low heat loss, long stroke, high precision, and. 27. We bring you our Toyota engines with unrivalled. Planar Magnetics. We invent, design, manufacture, sell, and support planar motor-based smart conveying systems. These models can be used complementary to finite element analysis for fast evaluations of topologies, but they are indispensable for the design of magnetically levitated planar motors and other coreless multi-degrees of. In the novel SPMPM, two sets of windings for generating x-direction thrust and y-direction thrust are perpendicularly fixed in the x-direction slots and y-direction slots of a mover core,. This Chevy 5. Maintaining strong relationships with. 140 M3-08 XBots work at very high density shoulder to shoulder, to achieve maximum productivity on a minimum footprint. ABB Ltd (SWX:ABBN) acquired a significant equity stake in Planar Motors Inc. Cartoner with XBot. 4 ohms to 5. Planar motors are like the futuristic cousins of traditional linear motors. This puts high requirements on the accuracy and the dissipated power and cooling performance of such motors. 2 Concept of the Proposed Planar Motor In this section, the concept of the proposed planar is described. Therefore, a kind of magnetic levitation planar motor based on logistics transportation system is designed, which can meet the transportation needs of the logistics system. The force and torque are calculated with Lorentz force law, which can be essentially expressed as the calculation of the volume integral. At its core, the Planar 1 Plus is identical to its older brother, tapping the same hi-fi components the Planar 1 uses to deliver clean and revealing playback. 6. | Planar Motor Incorporated (PMI) is the global leader in magnetically levitated planar motors, designing and manufacturing smart conveying robot systems with unprecedented flexibility,. Compared with the finite element simulation, the optimization method in. 1600x1067 - (248 KB) Download ACOPOS 6D (280 KB). Chevy 350 — 355 HP (2 bolt) $3795. Factory Mast. The principle of operation is based on composition of the second longitudinal and fifth bending modes of the motor. We offer these turnkey pallets as an alternative to crate packages or basic engine and transmission dropouts, providing ease of use as well as ultimately saving customers thousands of dollars. In real estate, turnkey is defined as a home or property that is ready for occupation for its intended purpose, i. Warranty: 90 days. To understand the working principle and the harmonic vibration behavior of the piezoelectric resonator, the trajectory of the friction contact was measured in free-oscillating mode at varying excitation. 7 Vortec crate engine features factory specs of 255 horsepower and 330 ft. Part Number: NAL-19433042. 2021. 1L & 6. The expressions of the force and hack-EMF constant were derived and examined. You will get a horsepower and torque document on every PDP turnkey engine. Planar motors offer clean, silent, flexible automation without the need of maintenance. . 6 Liter Factory Mast Turn Key Crate Engine - Port Injected. Based on the analytical model, the force expression concerning the main dimensional parameters is derived. Linear, rotary, framed & frameless. 6 Liter Factory Mast Turn Key Crate Engine - Port Injected. Fits: RP1 / P1 / P2 / P2 2000 / PLANET / PLANAR 2 / PLANAR 3 / P3 2000 and. 250-6651 Fraserwood Place. In 2007, ATK launched a High-Performance Division with one of the finest engine shops in the country. Take a look at our crate engine videos. This. United States. New Chevrolet 350 Vortec V8 Weiand 177 Supercharged 470HP 490Ft/Lb Turn Key Engine Master Australia 350VORTECSUPERCHARGED EMA - New. In the proposed method, both mechanical and electrical dynamics are considered. performance@dealers-mopar. W. 1 ohms & maximum speed of 3,000 rpm. To formulate this strategy. The mathematical modeling of two degrees of freedom robot arm (2-DOF) is developed and presented in this paper. The Lorentz force-based wrench matrices can be precomputed and stored in the lookup table. In the industrial environment, the planar motor replaces cross tables in machine tools, for example. planar motors are disclosed in U. 5 – 4mm controllable levitation height, ability to weigh +/- 1 gThis paper concerns the optimization of eight different quasi-Halbach magnet array structures that are used in a dual-layer moving-magnet planar motor. The planar motor is an alternative to the well-known H-shaped gantry and can be used in vacuum conditions, where roller and air bearing are undesirable. | 932 seguidores en LinkedIn. Application-specific turnkey systems are also available. Custom Built Turn-Key Performance Crate Engines, Chevy, Ford, Chrysler, Pontiac and Oldsmobile crate engines. AU - Proimadis, Ioannis. com. c. Eng Engineering Leader 1yMotors As a leading international supplier of direct drive and motion control components and integrated systems, ETEL supports high tech industry with linear motors, torque motors, positioning stages, and motion controllers/systems ETEL SA is. All these engines have been remanufactured to factory specifications with all-new high-quality parts that meet or exceed OEM specs. The opposing thin-film pressure maintains the bearing nominal gap tolerance. A flat-plane crankshaft is one in which all the crank pins – four in the case of a V8 engine, are aligned in a single (or flat) plane, 180 degrees apart, with two pins up and two pins down. 17 inches assures the Planar 1 will fit on top of any standard audio rack. The wideband oxygen sensor receives a reference voltage from the engine computer and generates a signal current that varies according to the fuel mixture. Based on the Lorentz force law. Planar motors are smart industry robots that use magnetic forces for levitation and propulsion with six degrees of freedom. For example, planar engine 340 may operate in a pooling mode that reduces the spatial size of data, in a reduction mode that reduces the rank of a tensor, in a gain-and-bias mode that. 1 Introduction. It is the global leader in magnetically levitated planar motors, designing and producing smart conveying robot systems. xml file located in your Unreal Engine (UE) installation directory, under the Engine/Build/Turnkey directory. Planar Motor | 1,617 followers on LinkedIn. Its performance mainly depends on the topology and design of magnet array. Goods can be transported along any path to any location. A novel synchronous permanent magnet planar motor (SPMPM) with iron core is proposed. In this paper, a planar flux-switching permanent magnet (PFSPM) motor, which is the first of its kind for planar motors, is designed and analyzed. XBots with Product Overhang. October 2019, Stuttgart, Germany - Motek 2019. The system does not require any lubrication nor generate any contamination. AB - Towards nanometer performance in moving-magnet positioning devicesAfter nearly forty years on and millions sold, Toyota’s 22R series engine is legendary. Understanding the Basics. This class of motors is named for Bruce Sawyer,. This replacement engine comes with a 36-month unlimited mileage warranty. Coyote 5. Fig. The magnetic field distribution is calculated analytically by using magnetic surface charge model and image method. ABB entered into a strategic partnership with PMI under which PMI's magnetic levitation technology will be integrated into ABB's Machine Automation Division's (B&R) portfolio, to accelerate industry’s transition from strictly. Custom Crate Engines is best known for our precision custom designs. Due to the. Series 1000 Fuel Cell; Series 2000 Fuel Cell; Series 3000 Fuel Cell; GenSure – Stationary Power Systems. Turn Key Crate Engines 450HP - 350 ci Factory Mast Turn Key Aluminum Crate Engine - Port Injected. The Ultimate Turn-Key Package is where the rubber meets the road. These are starting grade audiofile headphones, they use planar-magnetic drivers, Stealth Magnet Design (means super thin, the old designs were quite deep) and Neo. In this article, we will share all our knowledge about these ready to install engines. 614 urmăritori pe LinkedIn. So, with the number one pin straight up, the second pin would be 90 degrees. With your roadmap in mind, we define a flexible modular architecture that facilitates maximum re-use of. In this device, each magnetic levitation planar motor is a unit module. One of the main sources of the force ripples, the neglected higher harmonics of the magnetic flux density distribution, is analysed for synthesis of. Not Yet Reviewed. The base engine consists of: An all-aluminum engine block and cylinder head Overhead Valve (OHV) design Variable Valve Timing (VVT) Sequential Fuel InjectionOlabisi Onabanjo University. 23. This bad boy needs a 12v power source and either diesel or kerosene to get the heat flowing into your vehicle or tent. 1 Investigated magnetically levitated planar motor: (a) Bottom view of mover; (b) Top view of stator (partial) Given that one coil is commutated unit current, 1A, the x-, y-direction propulsion force F x, F y, z-direction levitation force F z, and x-, y-, z-axis torques T x, T y, T z, which act on the mover of the motor or generate byThis study concerns the analysis and minimisation of the force ripples existing in ironless permanent magnet planar motors. A front view of the $599 Rega Planar 1 turntable in. Although simple to fit, we recommend this kit is fitted by a qualified Rega dealer to ensure maximum performance. In contrast to rotary motors, however, both the coils and the permanent magnets are arranged two-dimensionally on a plane. This motor topology allows scalability with minimal increase in controller and drive complexity as well as direct drive actuation of a single mover body without intervening bearing elements, making it ideal for. -in. Moving-magnet magnetically levitated planar motors are considered for use as a wafer stage in the semiconductor lithographic industry. Planar motors are built on the same basic principle as traditional linear motors, but a key difference between traditional linear motors and planar motors is that the planar design allows the moving. About Us - Planar Motor Our Board Alexander Slocum Director of Innovation, Co-founder Alexander Slocum is a member of US National Academy of Engineering, Pappalardo. 9 300 Inline 6 Long Block Crate Engine. Thus, we get the relation: u 1 = F 1 +F 2 (1) Since the forces act at different locations on the same. In a pooling mode, the planar engine circuit reduces a spatial size of a version of the input data. A maximum increase in. With an extensive. 4. Tradeshows. Every engine is dynamically balanced and dyno tuned on our custom Stuska dyno. 1and2. Four single-phase linear motors with coils. Abstract and Figures. Each XBot is independently controlled and magnetically. A motor called a linear motor is making quite an impact in packaging industries and CNC machines. Whilst many vendors will remain at 28nm, the ‘big guys’ have forged ahead with. 1L and 8. In this article, a min-max model predictive control (MPC) method of planar motors is proposed for the first time to achieve robust precision position tracking, which has a low computational burden and strong capability to deal with the problems of stability, robustness, optimization, and input constraints. We offer a wide variety of engine/transmission packages in turnkey form including late model LS engines, GEN3 HEMI’s, Mustang GT 5. As will be seen, the planar motor B has lower force ripples than the planar motor A while the two planar motors have the same parameters except for the coil length. You will get a horsepower and torque document on every PDP turnkey engine. What our customers value. com. Motors – Linear, rotary, framed & frameless. Its performance mainly depends on the topology and design of magnet array. For racing applications, we can build turnkey engines as big as 3000cc. Welcome to Planar Motor, the global leader in planar motors. Planar Motor System A Planar Motor System is composed of one or more XBots (movers) and a stationary surface made up of modular Flyways (stators). selling diesel air heaters, engine coolant heaters, heating system installation equipment through our dealer network and directly to customers across. A state-space model with a. This bad boy needs a 12v power source and either diesel or kerosene to get the heat flowing into your vehicle or tent. The force equation of a synchronous permanent magnet planar motor (SPMPM) is investigated. ) THIS IS A LIMITED TIME SALE PRICING. xml contains information about which SDKs are available, or points to other manifest files that contain the needed information,. V. T2 - flexible modes and eddy current phenomena in high-precision bearingless planar motors. Rovers, and E. It is an extended version of our previous publication. Integrated turn-key two-axes rotary assembly provides high-speed machining. . This process starts by reading a TurnkeyManifest. Precision direct drive rotary tables, XY tables with linear motors, linear actuators with linear motors and ball screws. 460 HP Cruiser Dressed Long Block Crate Engines with Fuel Injection BP454CTFK Crate Engine, Fully Dressed Longblock, 454 C. . MULTI-HEAD PLANAR XY TABLE. | Planar Motor Incorporated (PMI) is the global leader in magnetically levitated planar motors, designing and manufacturing smart conveying robot systems with unprecedented. Downloadable! In this paper, we propose a nonlinear position control using only position feedback to guarantee the tolerances for position tracking errors and yaw. Glossy floorings and wet planar surfaces are good candidates for receiving Screen Space Reflections, but note that SSRs ignore all objects outside of the frame, which can limit the effect. The electro-dynamical motor principle is chosen to enable force generation in two directions. 2L (502 ci) engine. Rega’s smart engineering has truly produced an entry -level turntable that deserves to be considered by all, especially anyone looking for a higher performance-to-price ratio . Magnetic levitation planar motor has the characteristics of no friction loss, fast dynamic response, and real-time change of transportation track according to the demand. , 2022). The unlimited scalability and flexib. Turnkey Systems. (Little less vacuum, single patterned cam but best sound. V. The linear motor stages of the LMX1 series can be combined to form cross tables. The reported prototype is composed of two end caps, two horns, four longitudinal-bending PZT. According to Apple's patent titled "Multi-Mode Planar Engine for Neural Processor," ANE consists of several neural engine cores and one or more multi-mode planar circuits. Each XBOT is independently controlled and hovers over Flyways with 6 degrees-of-freedom motion capability. Magnets are fixed, while the coils are attached to the mover. The double-sided PM structure is applied in order to make the magnetic field gentle and increase the electromagnetic force. Planar Motor Incorporated (PMI) is the global leader in magnetically levitated planar motors, designing and manufacturing smart conveying robot systems with unprecedented flexibility. Compared with the. M3 - Phd Thesis 1 (Research TU/e / Graduation TU/e) SN - 978-90-386-5026-5. Planar motors are smart industry robots that use magnetic forces for levitation and propulsion with six degrees of freedom. Key Responsibilities. Magnetic levitation planar motor (MLPM) can effectively solve the shortcoming that the original air levitation planar motor cannot be used in vacuum environment, and become the core component of the new generation of extreme ultraviolet lithography machine [1, 2]. They are driven by two different types of electromagnetic actuators, namely, a planar motor and VCMs. Vancouver, British Columbia, Canada. or piece together your own custom built engine. 00. C. Our planar biaxial systems are optimized for low-cycle fatigue testing, which is. 00 $ 2,395. com. PY - 2020/4/30. Planar Motor | 1,637 followers on LinkedIn. Working with Content. mover of planar motor is controlled in six degrees of freedom and magnetically levitated by the Lorentz force generated between the mover and stator [6]. PMC. Planar is a global leader in premier display solutions for the world’s most demanding environments. Estimated Ship Date: Jan 22, 2024 (if ordered today) Core Charge $460. Chevrolet Performance’s ZZ6 is one of the most powerful 350-based crate engines in the more than 25-year history of the ‘ZZ’ crate engine lineup. ItPlanar Motor (DLPM) prototype [20], which is a single-stage, long-stroke synchronous motor, capable of moving in all 6 rigid-body DOFs with high accuracy. Therefore, a kind of magnetic levitation planar motor based on logistics transportation system is designed, which can meet the transportation needs of the. 1,2 Its combination has the characteristics of Celluveyor, faster speed, and lower energy consumption. Complete Turn key Coyote Engine Package and Kit. The TT-PSU also has the added convenience of electronic speed change. When the air/fuel mixture is rich, the sensor. In addition, the proposed magnet array can be easily constructed, and therefore reduce manufacturing cost. In response to the rising trend of structural complexity, this study presents a novel easy-to-manufacture magnet array using permanent magnets with. -lbs. In levitation control, the decoupling matrix is used to decouple the strong cross-coupling effect. A Planar Motor System is composed of one or more XBots (movers) and a stationary surface made. Smeets, T. XPlanar enables new degrees of freedom in product handling: Levitating XPlanar movers float over individually arranged XPlanar tiles on freely programmable t. Planar Motor. Planar Distribution Ltd. 2L Chevrolet Engine, Rated at 625hp / 575tq. Cymatix is a Value-Added-Reseller (VAR) of Automation & Motion Control solutions. Planar Motor. The Ultimate Turn-Key Package is where the rubber meets the road. Three linear motors, one X-motor and two Y-motors arranged in a T configuration on the stage base are employed to produce thrust. , a company with more than 15 years of research and development in the field of magnetic levitation technology for industrial manufacturing. In the semiconductor industry, positioning accuracy and acceleration are critical parameters. Optimise performance with the Rega upgrade drive belt. There is a Duergar in the centre of the room whom you will want to kill with missile fire before tackling the traps. From the carbureted 1981 – 1990 R-series, the 22R-E series from 1983 – 1997 22R-TE turbocharged version are all in our power portfolio. Power MOS 7®is a family of low loss, high voltage, N-Channelenhancement mode power MOSFETS. Planar Motors are smart robots that use magnetic forces for levitation and propulsion. Eric Wong, P. .