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Production line test equipment for PM stepper motors
Mälardalen University, School of Innovation, Design and Engineering.
2015 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

In any factory were mass production is carried out, a way of testing the products quickly and accurately is of great importance. The permanent magnet stepper motor is a simple electromechanical device used in many types of equipment such as surveillance cameras, valves and many parts of the automotive industry. During manufacturing of such a motor, several electrical and other physical properties should be monitored closely to ensure the product conform to its specification. An error has to be detected immediately and the product must be contained.

This thesis describe the development of a test system used for production line testing of small permanent magnet stepper motors with outside diameter Ø15-35mm and a coil resistance of 1-50 Ohm. The test system is designed to test 4 motors at the same time. Two Printed circuit boards were designed with capability of measuring resistance, inductance, velocity, direction of rotation and possible short circuit between the winding and the housing of the motor. In order to mount the sensor board and allow for repeatable testing, a modular test fixture was also designed. The control of the test system is done through a graphical user interface running on a PC, to which the system also log test data.

Place, publisher, year, edition, pages
2015. , 63 p.
Keyword [en]
Stepper Motor, Test equipment, Permanent magnet
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-28313OAI: oai:DiVA.org:mdh-28313DiVA: diva2:821403
External cooperation
Stegia AB
Subject / course
Electronics
Supervisors
Examiners
Available from: 2015-06-30 Created: 2015-06-15 Last updated: 2015-06-30Bibliographically approved

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  • apa
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