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posted in March 2009
Simplifying BLDC commutation and feedback system
Design How-To  
3/31/2009   Post a comment
In a Brushless DC (BLDC) motor system, an electronic mechanism is required to commutate the system. Unlike a Brush DC motor system, the permanent magnet is located at the Rotor and the windings are located at the Stator. As a result of this setup arrangement, the windings are required to energize in sequence, to enable smooth commutation. For the electronic system to determine which windings to energize, Hall sensor feedback is used to get the current location of the windings with respect to the
Advanced Motor Control Algorithms for Reducing Power Consumption of Embedded Systems
Design How-To  
3/30/2009   1 comment
To improve the efficiency and lower the operating costs of the electric motors in your enterprise, certain factors need to be considered. Christian Fritz, Product Manager, National Instruments lists these in this technical paper.
Battery switch offers simpler disconnection for lithium-ion batteries
Product News  
3/26/2009   Post a comment
A battery switch with four enable inputs has been introduced by Maxim Integrated Products.
Low-profile high-power switch package for GaN, SiC, and GaAs devices
News & Analysis  
3/25/2009   Post a comment
StratEdge has annouced a Beryllium Oxide (BeO) package and full assembly and testing services for high power semiconductor switches and small Gallium Nitride (GaN), Silicon Carbide (SiC), and Gallium Arsenide (GaAs) devices.
Pickering : PXI chassis have high cooling capacity
Product News  
3/24/2009   Post a comment
Pickering Interfaces is expanding its range of PXI chassis with two high performance units.
Mobile operators seal, extend network sharing deals
News & Analysis  
3/23/2009   Post a comment
In a wide-ranging cost cutting deal that will have major implications for their equipment suppliers, and further down the chain for many component suppliers, Vodafone and Telefonica have confirmed they will pool their mobile networks in the U.K and said that the deal covers several other European countries.
Components of an ROV system - Part 3: Control station and motor control electronics
Design How-To  
3/16/2009   Post a comment
This excerpt from "The ROV Manual" looks at the control systems of a remotely operated vehicle, and includes a study of motor control electronics covering inductors, the H-bridge and PWM control.
maxon : Position controller integrates into CAN network
Product News  
3/16/2009   Post a comment
As an addition to the digital positioning controllers of its EPOS family, Maxon Motor now presents an OEM version.
Bookham : 600 mW laser module has reduced size
News & Analysis  
3/13/2009   Post a comment
Bookham claims the industry’s first cooled small form factor, Mini-DIL pump laser module for network amplifiers. The wavelength locked single mode Mini-DIL pump laser delivering over 600mW of power.
Daimler bus combines hub motors, fuel cells
News & Analysis  
3/12/2009   Post a comment
Automotive OEM Daimler AG (Stuttgart, Germany) has announced a bus which runs on energy produced by fuel cells. At the same time, the concept includes elements of energy recuperation.
Industrial robot built out of LEGO
Industrial Control DesignLine Blog  
3/10/2009   Post a comment
You won't believe this LEGO version of ABB's FlexPicker pick and place industrial robot.
Switchtec : Solid state relays are offered in horizontal and vertical styles
Product News  
3/9/2009   Post a comment
Switchtec distributes the HFS32, a solid state plug in relay mlanufactured by Hongfa.
Making Automotive DC-motor driving simple and safe
Design How-To  
3/5/2009   Post a comment
An increasing number of high-power DC motors are used in many automotive applications. Being smaller and lighter than previous versions, they have to draw higher currents in order to offer a suitable torque. The article describes a highly integrated MOSFET H-bridge for this purpose.
Components of an ROV system - Part 1: Mechanical and electromechanical systems
Design How-To  
3/3/2009   1 comment
This excerpt from "The ROV Manual" discusses the major components of a typical remotely operated vehicle system along with everyday underwater tasks ROVs perform.


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