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1999-12-04 High performance control of ac servomotors using an integrated DSP
This paper describes the implementation of high-performance controllers for both the induction motor and permanent magnet synchronous motor using an integrated DSP controller that combines a powerful DSP core, flexible PWM generation, high resolution analog to digital conversion and an embedded encoder interface.
2005-04-01 Embedded talks to open IIC-China conferences
Small companies don't have researchers to comb through new technology, that's why trade shows and seminars are indispensible for staying ahead in the electronics industry.
2002-09-20 Densitron electromagnets offer 2.1kN holding force
Densitron has launched a new range of electromagnets that offer a holding force of up to 2.1kN at 200C while consuming 12.5W.
2002-10-11 Dairy/Stable Ventilators
This application note discusses how a ring magnet is mounted on the ventilator fan axis and allows the 103SR sensor to detect axial rotation.
2016-01-07 Cost-effectively transition to brushless DC motors
Brush-type DC motor solutions can be replaced 1:1 by a BLDC motor system, that on the outside, look like a conventional motor but inside pro- vide all advantages needed to realise intelligent motion control.
2010-03-15 Connectors save costs in FHP electric motors
Tyco has released the Mag-Mate insulation displacement crimp interconnection system as a cost-effective interconnect for fractional horsepower (FHP) motor manufacturers.
2008-06-27 Three-phase gate driver integrates op amp, bootstrap
International Rectifier has introduced the IRS233x(D) family of three-phase gate driver ICs for low-, mid- and high-voltage motor drive applications including permanent magnet (PM) motor drives for air conditioners, washing machines, pumps and fans, and micro, mini and general purpose inverter drives.
2004-02-26 STMicro MCU features on-chip motor control peripheral
STMicro has released its ST7MC family of MCUs for the control of three-phase induction and permanent magnet brushless motors.
2006-11-24 Sensorless motor controller targets intelligent pumps
IR's new mixed-signal control IC for pumps integrates all the control and analog interface functions required for sensorless sinusoidal control of permanent magnet synchronous motors using DC link current measurements.
2007-09-07 Sensorless field oriented control of PMSM motors
This application note discusses implementation of a sensorless FOC algorithm for Permanent Magnet Synchronous Motors (PMSM) using the Microchip dsPIC DSC family.
2007-06-11 Rotary encoders suit navigational knobs, joysticks
austriamicrosystems introduces the AS5046, a 12bit resolution magnetic rotary encoder offering rotation, tilt and vertical distance detection of a magnet placed above the IC.
2010-07-26 Mixed-signal solution directly simulates response surface models
The Smash mixed-signal, multi-language and multi-level electronic simulator from Dolphin Integration and Infolytica can directly simulate response surface models of electric motors generated in VHDL-AMS via MagNet or MotorSolve.
2014-04-08 Inductive Sensing Challenge steps up LDC1000 innovation
element14's global design competition is targeted to accelerate TI's magnet-free sensing technology in different applications including automobiles, computers, and medical devices.
2001-05-14 Implementation of vector control for PMSM using the TMS320F240 DSP
This application note presents a solution for controlling a permanent magnet synchronous motor (PMSM) using Texas Instruments' TMS320C24x DSP family.
2001-05-18 Implementation of a speed field oriented control of 3-Phase PMSM motor using TMS320F240
This application note presents a solution to control a three-phase permanent magnet synchronous motor (PMSM) using Texas Instruments' TMS320F240 DSP.
2007-11-19 High-efficiency motor control solutions aim at HVACs
This article describes a simple and low cost motor drive based on an inverter topology and specifically designed for the energy efficient permanent magnet motor.
2007-08-16 Dual-channel, Hall-effect sensor suits direction sensing apps
Allegro introduces a new dual-channel Hall-effect sensor designed for use in speed and direction sensing applications incorporating encoder ring magnet targets.
2001-04-27 DSP solutions for BLDC motors
This application note presents generic considerations on the control of brushless permanent magnet DC motors using Texas Instruments' TMS320C24x family of DSPs.
2007-06-27 DSCs advance motor control, sensor processing
Microchip Technology Inc. announced the free source code for sensorless FOC of permanent magnet synchronous motors and the low-priced dsPIC33FJ12MC and dsPIC33FJ12GP DSC families.
2010-12-16 Contactless sensing hall-sensor IC detects up to 2mm displacement
austriamicrosystems' AS5013 Hall-sensor IC utilized in the EasyPoint module consists of a mechanical stack with a navigation knob, a magnet and encoder IC. Simple construction and contactless sensing technology give the module high reliability, particularly designed for any kind of 360 degrees navigation input device. The IC includes five integrated Hall sensing elements for detecting up to ±2 mm lateral displacement, a high-resolution ADC, XY coordinate and motion detection engine.
2012-06-29 Automotive magnetic sensors provide redundant safety
NXP's KMA220 dual magnetic sensor integrates two sensor systems in a single package and operates in a simple disk magnet configuration with no need for a PCB or external components.
2002-05-16 Allegro sensor packages eliminate air voids
The SE, SG, and SH Hall-effect sensor packages from Allegro MicroSystems Inc. integrate a magnet and a Hall-effect IC overmolded in a single step, eliminating the presence of air voids that can problematic during potting or overmolding.
2003-09-19 Zheda driver IC suits car speakers
Zheda Technology & Trading Co. Ltd has released the PV01 tweeter driver IC designed for use in car speakers.
2005-06-01 Westerners can learn from China, VC says
A venture capitalist urges U.S. investors and corporations to 'easternize' and follow China's footsteps.
2008-01-23 Washing machine three-phase AC-induction direct vector control
This application note presents the AC-induction motor alternative for waching machines, focusing on the description of suitable control algorithms and their implementation in a real washer application using the MC56F8013 MCU from Freescale.
2002-02-04 Wabony miniature raw speaker features 520Hz to 6kHz operation
The 36mm(x) MD36B-048 miniature raw speaker operates over a wide frequency range and exhibits high reliability.
2015-10-16 Use MCU to keep wood gear clocks precise
Wood clocks have tendencies to be inaccurate because the wood expands and contracts with changes in temperature and humidity. Learn how this can be addressed using a microcontroller.
2013-07-16 Understanding electron pairing in magnetic semiconductors
Researchers measured the energy required for electrons to pair up and how that energy varies with direction, and identified the factors needed for magnetically mediated superconductivity.
2013-10-08 Ultrathin insulators yield better superconducting magnets
Researchers from RIKEN Centre for Life Science Technologies developed an ultrathin insulation layer that boosts the efficiency of magnetic coils based on a high-temperature superconducting compound.
2012-01-06 Ultrabooks strive for consumer acceptance
Intel's main challenge with Ultrabooks would be making the PC important to consumers once again.
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