ITCS20130010A1 - METHOD AND SYSTEM FOR DETECTION OF ANOMALIES AND DISCONNECTIONS OF THE ROAD SURFACE - Google Patents
METHOD AND SYSTEM FOR DETECTION OF ANOMALIES AND DISCONNECTIONS OF THE ROAD SURFACE Download PDFInfo
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- ITCS20130010A1 ITCS20130010A1 IT000010A ITCS20130010A ITCS20130010A1 IT CS20130010 A1 ITCS20130010 A1 IT CS20130010A1 IT 000010 A IT000010 A IT 000010A IT CS20130010 A ITCS20130010 A IT CS20130010A IT CS20130010 A1 ITCS20130010 A1 IT CS20130010A1
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- 238000000034 method Methods 0.000 title claims description 9
- 238000001514 detection method Methods 0.000 title description 2
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 230000004807 localization Effects 0.000 claims description 3
- 230000005236 sound signal Effects 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H1/00—Measuring characteristics of vibrations in solids by using direct conduction to the detector
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H3/00—Measuring characteristics of vibrations by using a detector in a fluid
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- General Physics & Mathematics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Description
DESCRIZIONE DELL’INVENZIONE DAL TITOLO: DESCRIPTION OF THE INVENTION TITLE:
Metodo e sistema per il rilevamento di anomalie e disconnessioni della superficie stradale. Method and system for detecting anomalies and disconnections of the road surface.
Descrizione generale del campo di intervento dell'invenzione General description of the field of intervention of the invention
La presente invenzione riguarda un sistema in grado di rilevare in modo automatico e continuo eventuali anomalie e/o disconnessioni presenti lungo un tracciato stradale, mediante l'utilizzo combinato di un misuratore di vibrazioni, un misuratore di emissione sonora e di uno strumento di localizzazione. The present invention relates to a system capable of automatically and continuously detecting any anomalies and / or disconnections present along a road layout, through the combined use of a vibration meter, a sound emission meter and a localization tool.
Sul mercato risultano già presenti alcune applicazioni per smartphones per il rilievo automatico e continuo delle anomalie stradali (dossi, buche, giunti ecc.),attraverso l'accelerometro integrato negli stessi dispositivi mobile. Tale sistema di monitoraggio delle caratteristiche superficiali della pavimentazione stradale è brevettato come European Patent EP2291608 B1 – ͞Navigation device & method for determining road surface features͟. On the market there are already some applications for smartphones for the automatic and continuous detection of road anomalies (bumps, holes, joints, etc.), through the accelerometer integrated in the mobile devices themselves. This system for monitoring the surface characteristics of the road pavement is patented as European Patent EP2291608 B1 - ͞Navigation device & method for determining road surface features͟.
L'invenzione qui di seguito descritta, invece, permette di ottimizzare la procedura di rilevamento delle anomalie della pavimentazione stradale sfruttando l'acquisizione combinata di due tipi di sollecitazioni che insorgono quando gli pneumatici impattano su una superficie irregolare: i) sollecitazioni di natura dinamica quali le accelerazioni verticali; ii) vibrazioni di natura sonora. Le prime vengono acquisite mediante un accelerometro triassiale; le seconde possono essere misurate mediante un rilevatore di livello sonoro (microfono). The invention described below, on the other hand, allows to optimize the procedure for detecting anomalies in the road pavement by exploiting the combined acquisition of two types of stresses that arise when the tires impact on an irregular surface: i) stresses of a dynamic nature such as vertical accelerations; ii) vibrations of a sound nature. The former are acquired by means of a triaxial accelerometer; the latter can be measured by means of a sound level detector (microphone).
Il sistema può funzionare anche nella forma di dispositivi quali smartphone, tablet, PDA, PC o qualsiasi altro device appositamente predisposto per tale scopo che disponga della componentistica di cui alla Tavola 1. The system can also work in the form of devices such as smartphones, tablets, PDAs, PCs or any other device specially prepared for this purpose that has the components referred to in Table 1.
Il dispositivo principale deve essere vincolato all'interno dell'abitacolo del veicolo, in modo da garantire il corretto funzionamento dell'accelerometro(coincidenza fra gli assi cartesiani dei frame veicolo-dispositivo). I dati accelerometrici, inoltre, possono essere correttamente ri-orientati mediante una procedura analitica di ri-orientamento effettuata in fase di post-elaborazione dal processore del sistema [3]. The main device must be constrained inside the passenger compartment of the vehicle, in order to guarantee the correct functioning of the accelerometer (coincidence between the Cartesian axes of the vehicle-device frames). Furthermore, the accelerometric data can be correctly re-oriented by means of an analytical re-orientation procedure carried out in the post-processing phase by the system processor [3].
Il guidatore prima di iniziare il proprio percorso dovrà accendere il dispositivo mediante il tasto [1], avviando il dispositivo che verrà alimentato dal sistema [2]. Iniziato il percorso la sensoristica [4], [5] e [6] inizia a registrare i dati che vengono letti dalla CPU [3], la quale continuamente interroga la stessa sensoristica [4], [5] e [6], e memorizza i dati mediante la memoria [7]. Nello stesso tempo il processore [3] determina in tempo reale le caratteristiche della pavimentazione mediante l’analisi combinata del segnale accelerometrico e sonoro, identificando e memorizzando tramite la memoria [7] le possibili anomalie. Before starting his journey, the driver must turn on the device using key [1], starting the device that will be powered by the system [2]. Once the path has started, the sensors [4], [5] and [6] begin to record the data that are read by the CPU [3], which continuously interrogates the sensors [4], [5] and [6], and stores data via memory [7]. At the same time, the processor [3] determines the characteristics of the pavement in real time by means of the combined analysis of the accelerometric and sound signal, identifying and storing possible anomalies via the memory [7].
Il criterio di identificazione è basato sul calcolo del differenziale dell'accelerazione verticale e dell'emissione sonora; il superamento di specifiche soglie per entrambe le tipologie di dati acquisiti consente di discriminare l'evento "anomalia" lungo il tracciato. The identification criterion is based on the calculation of the differential of the vertical acceleration and of the noise emission; exceeding specific thresholds for both types of acquired data allows to discriminate the "anomaly" event along the route.
Il sistema, inoltre, consente la visualizzazione dei dati mediante un monitor o display opzionale [11], collegabile al dispositivo mediante specifica porta [10]. Nello stesso tempo, al superamento delle suddette soglie prefissate, è possibile ricevere avvisi audio-visivi mediante il sistema video [11] e quello audio [12] di cui è dotato il dispositivo. Laddove sia possibile un sistema di trasmissione dati [13] con un server centrale [14], il dispositivo consente di inviare allo stesso server [14] i dati elaborati dal processore [3], nonché di ricevere informazioni sulle anomalie rilevate in precedenza dagli utenti che hanno già utilizzato il sistema. The system also allows data to be displayed via an optional monitor or display [11], which can be connected to the device via a specific port [10]. At the same time, when the aforementioned predetermined thresholds are exceeded, it is possible to receive audio-visual warnings through the video [11] and audio [12] system with which the device is equipped. Where a data transmission system [13] with a central server [14] is possible, the device allows the data processed by the processor [3] to be sent to the same server [14], as well as to receive information on anomalies previously detected by users who have already used the system.
Vantaggi Benefits
Il vantaggio derivante dall'utilizzo di tale sistema riguarda principalmente la possibilità di identificare le anomalie della superficie stradale in maniera automatica e continua; l'impiego combinato dell'accelerometro e del microfono consente di ridurre la percentuale di falsi negativi (anomalie non identificate), soprattutto laddove vi siano particolari condizioni di assenza o di scarsa qualità del dato acquisito da uno dei due dispositivi. La componentistica del sistema, inoltre, consente di geo-localizzare i dati fonometrici acquisiti; la possibilità di predisporre un collegamento con un server centrale consente, infine, di offrire agli utenti che utilizzano il dispositivo di ottenere informazioni in real-time sulla qualità della superficie stradale. L’utente in tal modo è in grado di adeguare la propria velocità di marcia, nonché il proprio stile di guida alle reali condizioni del tronco stradale che si trova a percorrere. The advantage deriving from the use of this system mainly concerns the possibility of identifying anomalies of the road surface automatically and continuously; the combined use of the accelerometer and the microphone allows to reduce the percentage of false negatives (unidentified anomalies), especially where there are particular conditions of absence or poor quality of the data acquired by one of the two devices. Furthermore, the components of the system allow the geo-localization of the acquired sound level data; the possibility of setting up a connection with a central server allows, finally, to offer users who use the device to obtain real-time information on the quality of the road surface. In this way, the user is able to adapt his driving speed, as well as his driving style to the real conditions of the road section he is traveling on.
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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IT000010A ITCS20130010A1 (en) | 2013-05-20 | 2013-05-20 | METHOD AND SYSTEM FOR DETECTION OF ANOMALIES AND DISCONNECTIONS OF THE ROAD SURFACE |
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IT000010A ITCS20130010A1 (en) | 2013-05-20 | 2013-05-20 | METHOD AND SYSTEM FOR DETECTION OF ANOMALIES AND DISCONNECTIONS OF THE ROAD SURFACE |
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ITCS20130010A1 true ITCS20130010A1 (en) | 2014-11-21 |
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IT000010A ITCS20130010A1 (en) | 2013-05-20 | 2013-05-20 | METHOD AND SYSTEM FOR DETECTION OF ANOMALIES AND DISCONNECTIONS OF THE ROAD SURFACE |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080184785A1 (en) * | 2007-02-01 | 2008-08-07 | Wee Seong-Dong | Apparatus for automatically inspecting road surface pavement condition |
EP2291608B1 (en) * | 2008-06-25 | 2012-12-26 | TomTom International B.V. | Navigation device&method for determining road-surface features |
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2013
- 2013-05-20 IT IT000010A patent/ITCS20130010A1/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080184785A1 (en) * | 2007-02-01 | 2008-08-07 | Wee Seong-Dong | Apparatus for automatically inspecting road surface pavement condition |
EP2291608B1 (en) * | 2008-06-25 | 2012-12-26 | TomTom International B.V. | Navigation device&method for determining road-surface features |
Non-Patent Citations (3)
Title |
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ARTIS MEDNIS ET AL: "Embedded solution for road condition monitoring using vehicular sensor networks", APPLICATION OF INFORMATION AND COMMUNICATION TECHNOLOGIES (AICT), 2012 6TH INTERNATIONAL CONFERENCE ON, IEEE, 17 October 2012 (2012-10-17), pages 1 - 5, XP032293889, ISBN: 978-1-4673-1739-9, DOI: 10.1109/ICAICT.2012.6398502 * |
PRASHANTH MOHAN ET AL: "Nericell: rich monitoring of road and traffic conditions using mobile smartphones", 5 November 2008 (2008-11-05), pages 323 - 336, XP002628202, ISBN: 978-1-59593-990-6, Retrieved from the Internet <URL:http://page.mi.fu-berlin.de/eke/wittenburg08in-network.pdf> [retrieved on 20140115], DOI: 10.1145/1460412.1460444 * |
PUSHPENDRA SINGH ET AL: "Using mobile phone sensors to detect driving behavior", PROCEEDINGS OF THE 3RD ACM SYMPOSIUM ON COMPUTING FOR DEVELOPMENT, ACM DEV '13, 1 January 2013 (2013-01-01), New York, New York, USA, pages 1, XP055096515, ISBN: 978-1-45-031856-3, DOI: 10.1145/2442882.2442941 * |
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