STEPPER TRAJECTORY DRIVER

WIPO Patent Application WO/2017/100244

A3

A stepper control circuit includes numerical controlled oscillators configured to provide step signals for multiple axes of stepper motor movement. The numerical controlled oscillators are configured to be operated at a same frequency provided by a synchronized clock signal.

JPS51119485	NUMERIC CONTROL METHOD
JPH01501753	[Title of the Invention] A multiplex stepping motor simultaneously driven with a single stepper motor controller
JP2697766	Description: A method for positioning a magnetic head of a magnetic disk device.

CURTIS KEITH E (US)

PCT/US2016/065261

August 10, 2017

December 07, 2016

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MICROCHIP TECH INC (US)

G05B19/40; H02P8/14; H02P8/34; H02P8/40

US20100141200A1

2010-06-10

ANONYMOUS: "Steppers with Encoders: When Open-loop Control Isn't Enough | Phidgets", 13 May 2014 (2014-05-13), XP055372176, Retrieved from the Internet [retrieved on 20170512]
VINAYA SKANDA: "Sine Wave Generator Using Numerically Controlled Oscillator Module", MICROCHIP TECHNOLOGY INC, 1 January 2013 (2013-01-01), pages 1 - 22, XP055372156, ISBN: 978-1-62077-214-0, Retrieved from the Internet [retrieved on 20170512]
QIAN FENG ET AL: "FPGA-based acceleration and deceleration control for CNC machine tools", THE INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS, INC. (IEEE) CONFERENCE PROCEEDINGS, 1 December 2013 (2013-12-01), Piscataway, pages 210, XP055377707
KENNETH GOLDBERG ET AL: "XY INTERPOLATION ALGORITHMS", 30 June 1983 (1983-06-30), XP055377709, Retrieved from the Internet [retrieved on 20170531]

SLAYDEN, Bruce W., II (US)

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