EP1344197B1 - Verfahren und anordnung zur bestimmung eines geräuschsignals einer geräuschquelle - Google Patents

Verfahren und anordnung zur bestimmung eines geräuschsignals einer geräuschquelle Download PDF

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Publication number
EP1344197B1
EP1344197B1 EP01272004A EP01272004A EP1344197B1 EP 1344197 B1 EP1344197 B1 EP 1344197B1 EP 01272004 A EP01272004 A EP 01272004A EP 01272004 A EP01272004 A EP 01272004A EP 1344197 B1 EP1344197 B1 EP 1344197B1
Authority
EP
European Patent Office
Prior art keywords
noise
signal
noise signal
source
noise source
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP01272004A
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German (de)
English (en)
French (fr)
Other versions
EP1344197A2 (de
Inventor
Michael Schliep
Szabolcs TÖRGYEKES
Walter Zipp
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mercedes Benz Group AG
Original Assignee
DaimlerChrysler AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DaimlerChrysler AG filed Critical DaimlerChrysler AG
Publication of EP1344197A2 publication Critical patent/EP1344197A2/de
Application granted granted Critical
Publication of EP1344197B1 publication Critical patent/EP1344197B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/015—Detecting movement of traffic to be counted or controlled with provision for distinguishing between two or more types of vehicles, e.g. between motor-cars and cycles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled

Definitions

  • the object of the invention is therefore to provide a method for the determination indicate a noise signal of a noise source at the most simple and safe from the noise source detected noise emission or noise emission detected and is determined.
  • one is to carry out the Specify method particularly suitable arrangement.
  • this is associated with a type of noise source Noise signal for control and / or regulation and / or information / warning used by noise reducing systems.
  • the detected and possibly on the basis of detected external parameters corrected noise signals to an external system Control and / or regulation e.g. for noise-reducing load control a vehicle or emergency control of an object in case of identified functional, material or operating errors, fed.
  • the external system for Control and / or regulation, information and / or warning are the external system for Control and / or regulation, information and / or warning, in particular the noise reduction in traffic, for example by influencing traffic management.
  • Does it come to an increased traffic and thus to a very high noise level in road traffic e.g.
  • the second object is achieved by a Arrangement for determining a noise signal of a noise source with a sound detection system for detection the noise signal and a data processing unit for Analysis of the noise signal based on signal properties and for comparing the noise signal with noise patterns, wherein Based on the comparison, the noise signal a noise source type is assigned.
  • a sound detection system a plurality of noise sensors provided. Prefers is a network of noise sensors, e.g. of directional Noise sensors, distributed along driveways within localities or distributed in a manufacturing or Machine hall arranged. For areal coverage the noise signal, especially in noise critical areas, e.g.
  • a data memory for depositing the noise signal intended.
  • the datastore stores the values of the Sound signal chronologically, for example in the form of tables deposited and thus archived.
  • the functionality of the data processing unit serve the chronologically stored noise level of the noise signal Analyzes and statistics, in particular on noise statistics. For example can use the stored data representations for temporal and / or local behavior of noises and Noise sources and noise emission display output become.
  • Figure 1 shows schematically an arrangement 1 for determining a Noise signal S with a sound detection system 4 for detection of the noise signal S and with a data processing unit 6 for analyzing the noise signal S based on signal properties and to compare the noise signal S with noise patterns M. Based on the comparison, the noise signal S associated with a noise source type T.
  • the correction unit 16 is detected by the optical detection system 8 or another external, not shown Systems, e.g. a tracking or navigation system that instantaneous position P of the noise source 10 is supplied. Based the information about the current position P becomes the sound signal S affecting conditions, e.g. absorption and Reflection conditions, in the immediate vicinity of the noise source 10 determined. The relevant absorption and Reflection ratios are used in the determination of the noise signal S considered.
  • the noise source type T includes the data processing unit 6 a database 22 with a plurality of noise patterns M. Depending on the nature and extent of the database 22 are different noise patterns M for the noise signal S of the relevant noise source type T deposited. For one thing these noise patterns M of the noise signal S influencing Factors, e.g. from meteorological data W, from transient Absorption and reflection ratios in the environment, the caused by the movement of the noise source 10, adjusted be. On the other hand, the noise pattern M without correction to compare the currently detected and not corrected Noise signal S be deposited with these.
  • the data processing unit 6 includes a comparison unit 24.
  • the relevant noise signal S is the associated Sound source type T assigned.
  • An example becomes in a vehicle as a noise source 10 by means of the detection unit 20 the vehicle model, e.g. the C-Class from Mercedes-Benz, and by means of the comparison unit 24 on the basis of Compare the engine of the identified vehicle model and hence the noise source type T, e.g. the CDI engine from Mercedes-Benz, identified and the noise signal S. assigned.
  • the means of the arrangement 1 detected data, such as the noise signal S, the corrected noise signal S, the meteorological data W, the noise source type T, the image B, an external control and / or control system, e.g. a load control system a vehicle for noise-reducing driving, a traffic control system for noise-reduced traffic management or a Control and / or regulating system or alarm system of a rotating Machine in a production hall, fed.
  • a load control system e.g. a vehicle for noise-reducing driving, a traffic control system for noise-reduced traffic management or a Control and / or regulating system or alarm system of a rotating Machine in a production hall, fed.
  • Figure 2 shows schematically the arrangement 1 according to Figure 1, which is arranged along a roadway 26.
  • the sound detection system 4 includes a plurality of along the lane 26 arranged noise sensors 28. serve as noise sensors 28 for example direction sensitive microphones.
  • the noise sensors 28 are connected to the central data processing unit 6 by means of a data transmission unit 30, e.g. one Data bus or a wireless connection connected.
  • a data transmission unit 30 e.g. one Data bus or a wireless connection connected.
  • the optical detection system 8 is arranged below a bridge 32.
  • the optical detection system 8, e.g. a video camera, is via the data transmission unit 30 with the central data processing unit 6 connected.
  • the speed v of the vehicle 10th e.g. by means of an induction loop system, not shown be determined in the lane 26. Because of the relationship the detected frequencies of the noise signals S to the driven Speed v is a discrete selection criterion generated, which together with the z. B. detected by video analysis Vehicle type information and the known gear ratios the vehicles in circulation have a clear Determination of vehicle engine and consequently of Sound source type T allows.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
EP01272004A 2000-12-22 2001-12-12 Verfahren und anordnung zur bestimmung eines geräuschsignals einer geräuschquelle Expired - Lifetime EP1344197B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10064754A DE10064754A1 (de) 2000-12-22 2000-12-22 Verfahren und Anordnung zur Bestimmung eines Geräuschsignals einer Geräuschquelle
DE10064754 2000-12-22
PCT/EP2001/014622 WO2002052542A2 (de) 2000-12-22 2001-12-12 Verfahren und anordnung zur bestimmung eines geräuschsignals einer geräuschquelle

Publications (2)

Publication Number Publication Date
EP1344197A2 EP1344197A2 (de) 2003-09-17
EP1344197B1 true EP1344197B1 (de) 2005-03-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP01272004A Expired - Lifetime EP1344197B1 (de) 2000-12-22 2001-12-12 Verfahren und anordnung zur bestimmung eines geräuschsignals einer geräuschquelle

Country Status (8)

Country Link
US (1) US20050100172A1 (pt)
EP (1) EP1344197B1 (pt)
JP (1) JP2004531695A (pt)
BR (1) BR0116791A (pt)
DE (2) DE10064754A1 (pt)
ES (1) ES2236136T3 (pt)
MX (1) MXPA03005619A (pt)
WO (1) WO2002052542A2 (pt)

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Also Published As

Publication number Publication date
WO2002052542A2 (de) 2002-07-04
US20050100172A1 (en) 2005-05-12
WO2002052542A3 (de) 2002-11-07
BR0116791A (pt) 2004-02-03
DE10064754A1 (de) 2002-07-04
DE50105495D1 (de) 2005-04-07
JP2004531695A (ja) 2004-10-14
EP1344197A2 (de) 2003-09-17
ES2236136T3 (es) 2005-07-16
MXPA03005619A (es) 2004-03-16

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