EPE Association: EPE 2005 - Topic 07-1 - LS: Measurements and Sensors

EPE 2005 - Topic 07-1 - LS: Measurements and Sensors
You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 2005 - Conference > EPE 2005 - Topic 07: MEASUREMENTS AND SENSORS (EXCEPT SPEED AND POSITION SENSORS > EPE 2005 - Topic 07-1 - LS: Measurements and Sensors

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   Measuring method for determination the reasons of structure-borne sound on electrical drive systems
By SOTER Stefan; LACH Roland [View]
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Abstract: A special signal processing method (order analysis) allows welldefinedconclusions from accelerometer measurements on electrical drivesregarding the reasons of structure-borne and airborne sound. In this paperan analysis of acceleration signals of an 5kW induction machine is presented.The special feature is that a projection of sound curves is included inthis analysis. Thus it is possible to assign an oscillation excitation to harmonicsattributed to the machine design or harmonics of the feeding frequencyconverter.

   Observer Based Tuning Techniques and Integrated SAW Torque Transducers for Two-Inertia Servo-Drive Systems
By SCHOFIELD Nigel; OSULLIVAN Timothy; BINGHAM Chris [View]
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Abstract: A controller design and tuning methodology is proposed that facilitates the rejection of periodic load-side disturbances applied to a torsional mechanical system, whilst simultaneously compensating for the disturbance observer’s inherent phase delay, thereby facilitating the used of lower bandwidth, practically realisable, disturbance observers. The merits of implementing both a full- and reduced order observer, is investigated, with the latter being implemented with a new low-cost, high-bandwidth torque sensing device based on surface acoustic wave technology.

   Implementation of a Digital Filter for Speed Noise Reduction in Drives with Electromagnetic Resolver
By Armando Bellini; Stefano Bifaretti [View]
[Download]

Abstract: Motor rotation speed is often measured in industrial drives employing an electromagnetic resolver. The sine and cosine signals provided by resolver are, subsequently, processed either by an appropriate circuit (resolver to digital converter) or by the microprocessor-based board controlling the drive. However, the obtained speed signal is rather noisy and a suitable filter must be used to reduce the noise. The paper describes the implementation of a suitable Phase Locked Loop based filter on an industrial drive and analyses the obtained performances compared with those achieved using the previous filter.

EPE 2005 - Topic 07-1 - LS: Measurements and Sensors
You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 2005 - Conference > EPE 2005 - Topic 07: MEASUREMENTS AND SENSORS (EXCEPT SPEED AND POSITION SENSORS > EPE 2005 - Topic 07-1 - LS: Measurements and Sensors
	[return to parent folder]

	Measuring method for determination the reasons of structure-borne sound on electrical drive systems By SOTER Stefan; LACH Roland	[View] [Download]
Abstract: A special signal processing method (order analysis) allows welldefinedconclusions from accelerometer measurements on electrical drivesregarding the reasons of structure-borne and airborne sound. In this paperan analysis of acceleration signals of an 5kW induction machine is presented.The special feature is that a projection of sound curves is included inthis analysis. Thus it is possible to assign an oscillation excitation to harmonicsattributed to the machine design or harmonics of the feeding frequencyconverter.

	Observer Based Tuning Techniques and Integrated SAW Torque Transducers for Two-Inertia Servo-Drive Systems By SCHOFIELD Nigel; OSULLIVAN Timothy; BINGHAM Chris	[View] [Download]
Abstract: A controller design and tuning methodology is proposed that facilitates the rejection of periodic load-side disturbances applied to a torsional mechanical system, whilst simultaneously compensating for the disturbance observer’s inherent phase delay, thereby facilitating the used of lower bandwidth, practically realisable, disturbance observers. The merits of implementing both a full- and reduced order observer, is investigated, with the latter being implemented with a new low-cost, high-bandwidth torque sensing device based on surface acoustic wave technology.

	Implementation of a Digital Filter for Speed Noise Reduction in Drives with Electromagnetic Resolver By Armando Bellini; Stefano Bifaretti	[View] [Download]
Abstract: Motor rotation speed is often measured in industrial drives employing an electromagnetic resolver. The sine and cosine signals provided by resolver are, subsequently, processed either by an appropriate circuit (resolver to digital converter) or by the microprocessor-based board controlling the drive. However, the obtained speed signal is rather noisy and a suitable filter must be used to reduce the noise. The paper describes the implementation of a suitable Phase Locked Loop based filter on an industrial drive and analyses the obtained performances compared with those achieved using the previous filter.