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electrical signature analysis

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Published: 31 December 2017
Fig. 2 Electrical signature analysis (ESA) current signature of motor with broken rotor bars More
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006430
EISBN: 978-1-62708-192-4
... Abstract Through detection of the wear, risk assessment can be performed, along with a related time to failure estimation through technologies such as electrical signature analysis (ESA) and motor current signature analysis. This article discusses the principle of operation of data collectors...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006400
EISBN: 978-1-62708-192-4
... be detected by comparing it with the vibration signatures of the machine when working under healthy operating conditions. Lubricant Oil Analysis Lubrication oil has been widely used in electrical and mechanical machines to reduce friction between moving surfaces. Lubrication oil has been used...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003323
EISBN: 978-1-62708-176-4
.... The article concludes with a description of torque-angle signature analysis and the specification of measurement accuracy for torque and clamp force. torque angle-of-turn tension friction friction coefficient testing torque tension testing locknut testing angular ductility rotational capacity...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006762
EISBN: 978-1-62708-295-2
... be challenging when results from various tests seem contradictory or inconclusive. Regardless, conclusions must eventually be drawn from the data. This article discusses the processes involved in reviewing data, formulating conclusions, failure analysis report preparation and writing, and providing...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005852
EISBN: 978-1-62708-167-2
... on process control modes, as well as on process signatures of some items that require control, monitoring, verifying, and logging methods. It provides information on programmable logic controllers that have become efficient in machine control and monitoring. The article describes possible noise issues...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005578
EISBN: 978-1-62708-174-0
... the workpieces together, a hydraulic control system for controlling the force exerted by the ram, and an electrical control system for controlling the different phases of the weld process. Additionally, an inertia friction welding machine requires a flywheel for storing the rotational kinetic energy prior...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006977
EISBN: 978-1-62708-439-0
... to columnar and equiaxed grains. For a complete discussion on the science of solidification, the reader is referred to Ref 1 . When considering the available fusion-based AM processing modalities, large thermal processing windows exist with their own unique thermal signatures. The importance...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005749
EISBN: 978-1-62708-171-9
... and VHN DR deposition rate DSC differential scanning calorimetry DTA differential thermal analysis DVS Deutschen Verband für Schweiss-technik e.V. (German Welding Society) EAW electric arc wire (spray) EB electron beam EB-PVD electron beam-physical vapor...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004167
EISBN: 978-1-62708-184-9
... Abstract This article presents the fundamentals of stray-current corrosion caused by electric rail transit systems. It describes the various corrosion-control design elements for the electric rail system. These design elements include substation spacing and grounding, track and track slab...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005865
EISBN: 978-1-62708-167-2
... of process parameters, inductor signature monitoring systems have been effectively applied for ensuring quality and repeatability of hardening and tempering stages ( Ref 1 ). Signature monitoring systems compare important process parameters with set points of an ideal signature stored in the PLC and provide...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005857
EISBN: 978-1-62708-167-2
... on analysis of the interaction of the electrical field with the test object. The electrical potential drop method has been recognized as a reliable, economic, and precise crack measurement and materials characterization technique. In this method, four electrodes are placed in direct contact...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0005586
EISBN: 978-1-62708-170-2
... channeling pattern ECR electron cyclotron resonance E d displacement energy EDM electrical discharge machining EDS energy-dispersive spectrometer EDX energy-dispersive spectroscopy EDXA energy dispersive x-ray analysis EEC erosion-enhanced corrosion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... of electromagnetic inspection include: Depth of penetration is shallow. Materials to be inspected must be electrically conductive. Indications are influenced by more than one variable. Reference standards are required. Residual Stress Analysis X-ray diffraction is the most common method...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009152
EISBN: 978-1-62708-186-3
... as a function of slide displacement, time, or crank angles (in the case of mechanical presses). This information is also called force or tonnage signatures. Several different types of monitoring systems are available. The sensor may be used to display the peak force during each cycle and may be connected...
Series: ASM Handbook
Volume: 13C
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v13c.a0004155
EISBN: 978-1-62708-184-9
.... , Jonas O. , and Sejna M. , Numerical Analysis of the Flow with Condensation in a Turbine Cascade , Moisture Nucleation in Steam Turbines , TR-108942, Electric Power Research Institute , Oct 1997 66. Jonas O. , On-Line Diagnosis of Turbine Deposits and First Condensate , 55th...
Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003656
EISBN: 978-1-62708-182-5
..., International Water Conference, Oct 2000 (Pittsburgh, PA), Engineers Society of Western Pennsylvania 46. Johnson R. , Bjornsen B.E. , Morton D. , Parr D. , and Ridd B. , “Weld Root Corrosion Monitoring with a New Electrical Field Signature Mapping Inspection Tool,” Paper...
Series: ASM Handbook
Volume: 18
Publisher: ASM International
Published: 31 December 2017
DOI: 10.31399/asm.hb.v18.a0006402
EISBN: 978-1-62708-192-4
... mechanisms. Hence, by monitoring for the presence and change of vibration patterns through the methods of signature analysis, the consequences of avoidable breakdowns can be prevented. Figure 2 illustrates the general methodology of vibration monitoring ( Ref 8 ). Fig. 2 Condition monitoring...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002165
EISBN: 978-1-62708-188-7
... + +, − − + + Steel +, − + − − − Brass − … … + − The EDM Surface Topography Electric discharge machining has a distinctive surface signature. The surface resembles a cratered surface with all craters the same size ( Fig. 5 ). There is no “lay” or directionality to the surface...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0006978
EISBN: 978-1-62708-439-0
... include system health monitoring, melt pool monitoring, and layer monitoring. The article discusses data analysis, and provides an overview of the integration of sensors into AM machines. additive manufacturing additive manufacturing machines in situ process monitoring sensors IN SITU...