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Featured researches published by Fawzi Attia.


24th Annual Brake Colloquium and Exhibition | 2006

The Psycho Acoustical Approach behind the Brake Squeal Evaluation Procedure BONI

Fawzi Attia; Thomas Zoeller; M. K. Abdelhamid; Uwe Bretz; Peter Blaschke

Today several international brake acceptance tests exist, like the Los Angeles City Traffic test (LACT) or the Mojacar Noise Route in Spain. During these tests noise evaluation is done subjectively by test drivers, which can cause discrepancies. Sometimes noise data are recorded and evaluated by different, mostly companyspecific methods but a procedure that considers the human perception of brake squeal is missing. To fill this gap, the procedure BONI (Brake Objective Noise Index) detailed in this paper is developed based on subjective ratings acquired in hearing tests. It provides reliable prediction of squeal annoyance with high correlation to human perception.


Archive | 1997

Vorrichtung und Verfahren zur Erfassung eines oder mehrerer Qualitätsparameter bei der Bearbeitung von Werkstücken

Winfried Keiper; Fawzi Attia; Karl Weindl; Claus Westphal; Dieter Eppinger


Archive | 2006

Method and device for identifying squeaking noises

Fawzi Attia; Michael Fischer; Winfried Keiper; Thomas Zoeller; Uwe Bretz; Mats Karlsson; Uwe Martin; Michael Raquet


20th Annual Brake Colloquium And Exhibition | 2002

Mojacar and Los Angeles City Traffic Vehicle Testing: A Comparison & Analysis of Subjective Ratings and Objective Measurements

Parimal Mody; Walter Rumold; Fawzi Attia; Sabine Ansmann


Archive | 2006

Verfahren und vorrichtung zur erkennung von quietschgeräuschen

Fawzi Attia; Michael Fischer; Winfried Keiper; Thomas Zoeller; Uwe Bretz; Mats Karlsson; Uwe Martin; Michael Raquet


Archive | 2006

Method and device for evaluating the annoyance of squeaking noises

Fawzi Attia; Michael Fischer; Winfried Keiper; Thomas Zoeller; Uwe Bretz; Mats Karlsson; Uwe Martin; Michael Raquet


Archive | 2007

Verfahren und Vorrichtung zur Bewertung der Lästigkeit von Quietschgeräuschen

Fawzi Attia; Michael Fischer; Winfried Keiper; Thomas Zöller; Uwe Bretz; Mats Karlsson; Uwe Martin; Michael Raquet


Archive | 2005

Verfahren und Vorrichtung zur Erkennung von Quietschgeräuschen Method and apparatus for detection of squeal

Fawzi Attia; Uwe Bretz; Michael Fischer; Mats Karlsson; Winfried Keiper; Uwe Martin; Michael Raquet; Thomas Zöller


Archive | 1997

Vorrichtung und Verfahren zur Erfassung eines oder mehrerer Qualitätsparameter bei der Bearbeitung von Werkstücken Apparatus and method for detection of one or more quality parameters in the machining of workpieces

Winfried Keiper; Fawzi Attia; Karl Weindl; Claus Westphal; Dieter Eppinger


Archive | 1995

Oscilating mass sound generator for a calibration device

Winfried Keiper; Fawzi Attia

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