stepper motor

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http://www.divms.uiowa.edu/~jones/step/

Jones on Stepping Motors

This material expands on material originally posted to the rec.railroad newsgroup in 1990. Significant parts of this material have been republished as sections 5.2.10, 10.8, 10.9 and 10.10 of the Handbook of Small Electric Motors edited by W. H. Yeadon and A. W.

Schrittmotoren - RN-Wissen

http://www.rn-wissen.de/index.php/Schrittmotoren Schrittmotoren arbeiten völlig anders als Gleichstrommotoren. Das ist schon daran zu erkennen, dass diese keine zwei, sondern meist 4, 6 oder 8 Anschlüsse (bipolare oder unipolare Motoren) besitzen.

Schrittmotoren - Mikrocontroller.net

Schrittmotoren eignen sich als Stellmotoren. Sie können eine vorherbestimmte Anzahl von Schritten drehen und dann stehen bleiben. Ein Positionsgeber für die Rückmeldung, ob die gewünschte Position erreicht ist wird nicht zwingend benötigt. http://www.mikrocontroller.net/articles/Schrittmotoren

Allegro Motor Drivers

http://www.allegromicro.com/Products/Motor-Driver-And-Interface-ICs.aspx Allegro offers an industry leading portfolio of motor driver and controller ICs for brushless DC, brush DC, and stepper motors. Product architectures vary from highly-efficient internal DMOS drivers to MOSFET controller ICs suited for a wide variety of motor applications. Coupled with a strong system level expertise, Allegro’s motor driver IC portfolio provides the user with a high-performance, leading edge and reliable motor control solution. Allegro's BCD (bipolar, CMOS and DMOS components) technology allows for a wide range of features that is well suited for today’s demanding motor control applications.
http://www.atmel.com/applications/automotive/motor_control_systems/default.aspx?tab=overview Atmel® has more than 15 years' experience with driver ICs for DC motors. We supply products at a high-volume for a variety of common body electronic applications, including mirror control and flap control in HVACs. Although the Atmel driver ICs are equipped with a variety of types of driver stages, they all share the same protection features – short-circuit protection, temperature warning and switch off, low voltage protection, and open load detection – all of which are a must for automotive electronics. Features and Benefits The continuously growing Atmel driver family includes a wide variety of combinations of integrated high-side and low-side output stages, enabling designers to easily tailor solutions to their needs.

AVR Motor Applications

http://www.mikrocontroller.net/topic/98721

Anpassung AVR446 auf GCC (Schrittmotorsteuerung)

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A new algorithm for stepper-motor acceleration allows speed profiles to be parameterized and calculated in real time. This algorithm can run on a low-end microcontroller using only simple fixed-point arithmetic operations and no data tables. It develops an accurate approximation for the timing of a linear ramp with constant acceleration and deceleration.

Article - Generate stepper-motor speed profiles in real time

http://www.eetimes.com/design/embedded/4006438/Generate-stepper-motor-speed-profiles-in-real-time
// This program was written by Carl W Livingston, KC5OTL. // I freely grant permission to use this program for personal use only. // No commercial use of this program is allowed unless written authorization // is granted by the author, Carl W. http://www.avrfreaks.net/index.php?name=PNphpBB2&file=viewtopic&p=239889

AVR freaks - Stepper Motor Controller with ACC and DEC :: AVR Freaks

The OpenStepper Module (OSM) is comprised of a GSM_01 and the OpenStepper circuit board. OSM firmware is based on Mike Thompson's popular OpenServo project which Jay Ragsdale was kind enough to port to the ATtiny84. http://www.phenostream.com/products/detail/osm.aspx

OpenStepper

Welcome to 01 Mechatronics’ Open-Engineering downloads page. This is our first go to reach-out the open communities and become integral part of the global momentum. http://www.01mech.com/open-engineering

01 Mechatronics