WO2017042044A1 - Road user warning method and device for use in a rail vehicle, using sound signals or light signals - Google Patents

Road user warning method and device for use in a rail vehicle, using sound signals or light signals

Info

Publication number
WO2017042044A1
WO2017042044A1 PCT/EP2016/070356 EP2016070356W WO2017042044A1 WO 2017042044 A1 WO2017042044 A1 WO 2017042044A1 EP 2016070356 W EP2016070356 W EP 2016070356W WO 2017042044 A1 WO2017042044 A1 WO 2017042044A1
Authority
WO
Grant status
Application
Patent type
Prior art keywords
road
users
warning
vehicle
means
Prior art date
Application number
PCT/EP2016/070356
Other languages
German (de)
French (fr)
Inventor
Sebastian Preis
Bernhard KNEIDINGER
Original Assignee
Siemens Ag Österreich
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

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00Control, warning, or like safety means along the route or between vehicles or vehicle trains
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00Control, warning, or like safety means along the route or between vehicles or vehicle trains
    • B61L23/04Control, warning, or like safety means along the route or between vehicles or vehicle trains for monitoring the mechanical state of the route
    • B61L23/041Obstacle detection
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00Safety means for rail/road crossing traffic
    • B61L29/24Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/243Transmission mechanism or acoustical signals for gates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00Safety means for rail/road crossing traffic
    • B61L29/24Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/28Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
    • B61L29/30Supervision, e.g. monitoring arrangements

Abstract

The invention relates to a method, for use in a rail vehicle (1), for warning road users (4) by means of sound signals or light signals, comprising the following steps: capturing the position data of other road users (4) by means of sensors (6, 7), determining an at least two-stage collision probability for each other road user (4) from the position data, determining a warning level for each other road user (4), emitting an acoustic or optical signal corresponding to the particular warning level.

Description

description

Method and device for warning of road users for a rail vehicle by means of sound or light signals.

technical field

The invention relates to a method and a device warning of road users for a rail vehicle by means of sound or light signals.

State of the art

Rail vehicles are means of which other road users can be warned equipped with acoustic warning devices, such as horns, horns, bells, etc.. They are also (Fiber optic lighting devices Three light

Peak signal or the like), which provided a

Recognition of a rail vehicle already more

to enable distances. acoustic

Warning devices are operated by the vehicle operator and are characterized in part, in particular at full tracks by very high sound level. This high volume leads to high sound input into the driver's compartment, which can lead to conflicts with relevant labor laws in extreme cases. Furthermore, these warning devices have a very little bundled Schallabstrahlcharakteristik, so much of the sound energy is not directed at the target and thus the effective range of the warning device is reduced. In vehicles for transportation within the city much quieter warning devices are provided, such as bells or ringing in trams. The signals emitted by these facilities

Signals are too often perceived too low to generally traffic. Also reduces the excessively broad

Radiation the effective range. since the

Release all acoustic warning devices through the

Driver is done, it is up to him to watch the traffic so that potential conflicts are identified and the road users are warned in time.

In particular, when driving on unsuitable from the road or railway tracks on mating with

Pedestrian traffic (trams in pedestrian zones) permanently necessary concentration is required. A

Support the driver by on-board

Institutions is not known from the prior art it.

Summary of the Invention

The invention is therefore based on the object of specifying a method and a device for warning of road users for a rail vehicle by means of sound or light signals, which causes an automatic release of acoustic or light signals.

The object is achieved by a method having the features

Claim 1. Advantageous developments are

Subject matter of dependent claims.

The principles of the invention as claimed describes a method for warning road users for a rail vehicle by means of sound or light signals, comprising the following process steps:

- detecting the position data of other road users by means of sensors, - determining an at least two-stage

Collision probability for each additional

Road users from the position data,

- determining a warning level for each additional

Road users,

- outputting a warning corresponding to the respective degree of acoustic or optical signal.

This provides the advantage, automatically the one

To locate the rail vehicle surrounding other road users whose respective

Probability of collision with the rail vehicle

be able to determine and to submit adapted to this collision probability optical or acoustic signals. Of such, the driver can be assisted in his duties as the monitoring of the track

is automatic.

The invention can also trains running in automatically

Rail vehicles are used, which take on a non-separated from other traffic or non-intersecting rail network.

Furthermore, the invention comprises a device for warning of road users for a rail vehicle by means of optical and acoustic signaling devices, wherein sensors are provided, which for the detection of

Position data of other road users are set up and which transmit these to a control means, said control means calculating comprises means for determining an at least two-stage probability of collision and a warning level for any other road users from these position data, and wherein comprises said control means includes means for controlling the optical and acoustic signaling means and the optical and audible signaling devices while in

Depending on the particular warning level give different signals.

Einfindungsgemäß sensors are provided which

detecting position data of other road users. For this purpose, any known sensor types of image recognition,

for example, optical cameras for visible light,

Thermal imaging cameras (infrared cameras) or laser sensors

be used. It is particularly advantageous to use laser sensors because of such a measurement process in addition to the outline and the position relative to the track and the

Distance of the other road user to the

Rail vehicle can be determined, since laser sensors to determine a three-dimensional image of the vehicle environment.

From the position data obtained in such a (relative azimuth, elevation and distance to the rail vehicle) of the other road users will be in a

Control means comprises a least two-stage

Collision probability is calculated. For example, the probability of collision of an object at a great distance located immediately on the track, which not airspeed has 100%, but on a path just the exiting object in the immediate vicinity of the collision probability is 0%.

Road users which approach the guideway,

For example, cruising motor vehicles are facing each

Distance, speed and speed of

Rail vehicle a respective different

Collision probability. In a further development of the invention is a classification of the detected other road users in certain

Categories provided. In particular, are the

Road users in humans, animals and objects

(Vehicles) divided.

The controller continuously determines for the acquired from the sensors other road users a respective probability of collision and determines therefrom as well as from the optional categorization performed depending adequate warning degrees. A warning level corresponds to a specific acoustic signal itself with or in combination with a particular optical signal.

Here, from the optical and acoustic

Signaling means radiated signals in its intensity or its waveform or its emission direction in dependence on the respective level warning designed. For example, for the warning of a person in

the immediate vicinity of the railway vehicle a silent but prominent warning sufficient for An in-some distance on the track animal but a very loud sound is required.

The output of the acoustic signals by means of the

arranged rail vehicle speakers, horns,

Ringing or bell. The output of the optical signals by means arranged on the rail vehicle highly directional light source, in particular a headlight or a flash lamp. In this case, the light source may automatically power-supported movable, are arranged, in particular rotatable. Further, the directivity can (bundling) of

Light cone automatically be changeable designed,

for example by means of a predeterminable by the control device variable focal length of a lens associated with the luminous means.

A preferred embodiment of the invention provides to emit the acoustic signals by means of highly bundled parametric ultrasonic speaker. These speakers allow sound to radiate very strongly focused in the audible frequency range, the sound generation is even using ultrasound. The specific design of this speaker makes it possible to perceive the sound event only from a certain distance from the sound source, but not in the immediate vicinity of the sound source. Of such entry, the sound is reduced to the

Rail vehicle considerably. Furthermore bystanders be disturbed substantially less than in the use of conventional warning devices.

The strong bundling of ultrasonic speakers

sound emitted causes a power assisted movable arrangement on the rail vehicle so that more concrete road users can be addressed. For this purpose, the controller determines from the position data of another road user, the respectively required setting

(Azimuth) of the moving means of the ultrasonic speaker and controls accordingly.

Additionally or alternatively, for providing a

Moving means may also include a plurality of

Ultrasonic speakers are provided, each for the sound of a certain angular range about the

are designed vehicle front. In this embodiment, the controller directs the signal to be reproduced at those ultrasonic speaker, was detected in the irradiation range of the warning to other traffic participants.

In a further development of the invention, it is advisable to use ultrasonic speaker whose

Emission, in particular the angle of radiation by means of suitable electrical activation in a wide range can be changed. This can be omitted for the speakers elaborate movement or rotation devices.

In a further development of the invention, it is recommended that the control device with an interface to a

equip vehicle control, via which a braking signal triggering the vehicle control can be transmitted. This provides the advantage, braking even without action by the driver and without trackside

the need to provide facilities to trigger. The brake is triggered by the control device when the probability of collision with a further

Road users exceeds a certain value.

A preferred embodiment of the invention provides to equip the control device with an interface to an input output device. Through this interface, commands can be transmitted to the control device on the one hand, which cause the manual activation of a signal. On the other hand, through this interface the optical representation of the positions of the further

Traffic subscriber data required to be transmitted. Here, the rail vehicle with a suitable

provide input means by which the

Drivers certain signals can trigger and

where appropriate, may also determine the direction of radiation. On the other hand, the rail vehicle can be equipped with an output device, by means of which the vehicle operator the detected other road users can be displayed. For this example, screens, overlays can be used in a windscreen (head-up display) or data glasses. The driver will be of such that detected by the sensors and the control device and possibly further classified

Road users shown. Here, the driver can already be early warning of potential conflicts with these road users.

In a further development of the invention, it is recommended that the sound pressure of the sound signals to be delivered in

to determine a function of the ambient noise. For this purpose, by a microphone that receives the sound pressure outside of the vehicle (ambient sound pressure), and a

Control means by time averaging a

Ambient noise level to be determined and to determine a target sound pressure for each sound signal to be dispensed from this measurement. Of such provides the advantage of being able to realize a adapted to the particular environment warning intensity at which, however, the sound signal is certainly audible, is not an excessive harassment. For example, in quiet environments, in particular to

Night times a quieter sound radiation sufficient. This is advantageous as well for all other sound output devices of a rail vehicle (eg, an acoustic door closing warning), which in quiet environments also not required to operate at high sound pressure levels. Brief Description of Drawings

Shown are examples:

Fig.l railway vehicle and other road users.

Fig.2 device for warning road users.

Embodiment of the invention Fig.l shows by way of example and schematically a rail vehicle and other road users. There is shown the underlying principle of the invention. A rail vehicle 1 runs on a track on which is to be expected passenger, such as a tram in a

Pedestrian zone. Two road users 4, in gezeigtem

For example two people are in the immediate

Environment in front of the end face of the rail vehicle 1 in

Direction and represent potential conflict options. Both road users 4 move out of sight of the driver of the rail vehicle 1 from left to right. In this case, the closer the rail vehicle 1

4 road users, but has already left the track is no danger of a collision there anymore because it is very close indeed. The more distant road users 4, however, has a movement direction of the travel path towards and represents a detected conflict. Thus, there is a nonzero probability of collision and the control means 5 determines a warning adequate degree. A corresponding degree the warning signal is then through one of the acoustic signaling devices 5

reproduced, if necessary is additionally triggered automatically braking. Necessary for the detection sensors are not shown for ease of illustration. The same basic principle applies to other types of

Road users, such as motor vehicles application.

Fig .2 shows by way of example and schematically an apparatus for warning of road users. It is based on a

Block diagram of a device for warning of

Represented road users which a

comprises control means. 5 To detect other

Road users 4 a camera 7 and a sensor 6 are provided, for example, which transmit their respective data to the control device. 5 The prevention of further traffic participants via two acoustic

Signaling means 2 and optical

Signaling Devices 3. Acoustic

Signaling means 2 can be embodied as a parametric speaker, wherein in addition to the playable audio signal conveys a radiation direction from the control device. 5 To interact with a driver, an input device 11

provided by means of which manually certain signals via the signaling devices 2,3 can be output. Furthermore, an output device 12 is provided, which is the information transmitted from the controller 5 of them to the driver optically and / or acoustically. A microphone 10 is connected to the control means 5 by means of which the vehicle operator speech messages about the

can radiate acoustic signaling devices. 2 The control device 5 comprises a latch 8 which via the acoustic and optical

Signaling means 2,3 to be reproduced signals, for example, certain sounds or sound light

Combinations holds read stored. Furthermore, the control device 5 is equipped with an interface to a vehicle controller 9, via which the control device 5 data on the current operating state of the rail vehicle 1, such as the current

Speed ​​can be transmitted. In the direction of the vehicle controller 9, the control means communicates 5

Signals in the presence of a particular warning level, a signal which causes braking of the rail vehicle. 1

List of names

1 rail vehicle

2 Acoustic signaling device

3 Optical signaling device

4 motorists

5 control means

6 sensor

7 camera

8 Signalspeieher

9 vehicle control

10 microphone

11 input device

12 dispenser

Claims

claims
A method for warning road users (4) for a rail vehicle (1) by means of sonic or
Light signals, the method comprising:
- detecting the position data of other
Road users (4) by means of sensors (6,7),
- determining an at least two-stage
Collision probability for each additional
Road users (4) from the position data,
- determining a warning level for each additional
Road users (4),
- outputting a warning corresponding to the respective degree of acoustic or optical signal.
2. A method for warning of road users (4) for a rail vehicle (1) according to claim 1,
characterized in that at a certain
Warning level an additional braking triggering
Signal to a vehicle control (9) is dispensed.
A method for warning road users (4) for a rail vehicle (1) according to one of claims 1 or 2,
characterized in that each
Warning level corresponding acoustic or optical signal on the respective road users (4) is emitted directed.
A method for warning road users (4) for a rail vehicle (1) according to one of claims 1 to 3,
characterized in that a classification of the detected road users (4) takes place and this classification together with the
Probability of collision of the respective
road user is used to determine the warning level.
A method for warning road users (4) for a rail vehicle (1) according to claim 4,
characterized in that the classification of the categories is carried humans, animals and object.
A method for warning road users (4) for a rail vehicle (1) according to one of claims 1 to 5,
characterized in that the ambient sound pressure is determined by means of a microphone and a target sound pressure is determined to be dispensed acoustic signal from this measurement of the ambient noise.
Means for warning of road users (4) for a rail vehicle (1) comprising optical and acoustic signaling devices (2,3),
characterized, in that
Sensors (6,7) are provided, which for acquiring position data of other road users (4) are arranged and which it to a
Control means transmit (5), wherein the
Control means (5) calculating means for determining an at least two-stage probability of collision and a warning level for each additional
Road users (4) from these position data, and wherein (5) the control means includes means for controlling the optical and acoustic signaling devices (2,3) and the optical and acoustic signaling means (2,3) thereby in dependence on the respective warning degrees proposed for different signals ,
8. The device for warning of road users (4) for a rail vehicle (1) according to claim 7,
characterized in that the sensors (6,7) as a radar sensor or a camera or thermal imaging camera or laser sensor are formed.
9. The device for warning of road users (4) for a rail vehicle (1) according to one of claims 6 or 8, characterized in that the optical and acoustic signaling devices
(2,3) radiated signals in its intensity or its waveform or their emission in
Depending on the particular warning level are designed.
10. The device for warning of road users (4) for a rail vehicle (1) according to one of claims 7 to 9, characterized in that the control device (5) comprises an interface Elle to a vehicle controller (9) and additionally in the presence of a particular warning level a write a brake triggering signal to the vehicle control (9).
11. The device for warning of road users (4) for a rail vehicle (1) according to any one of claims 7 to
9, characterized in that the control device (5) comprises an interface to an input output device (11,12) via which the manual activation of a signal can be performed, and for the further for the visual representation of the positions
Road users (4) required data is transferable.
12. The device for warning of road users (4) for a rail vehicle (1) according to one of claims 7 to 9, characterized in that
a microphone is provided which is adapted for measuring the ambient noise, and wherein said control means (5) from this measurement of the
Ambient noise, a target sound pressure the
dispensed acoustic signal determined and the
acoustic signaling means (2,3) so controls that the assessed sound pressure
is radiated.
PCT/EP2016/070356 2015-09-08 2016-08-30 Road user warning method and device for use in a rail vehicle, using sound signals or light signals WO2017042044A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
ATA50771/2015 2015-09-08
AT507712015 2015-09-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20160758161 EP3319859A1 (en) 2015-09-08 2016-08-30 Road user warning method and device for use in a rail vehicle, using sound signals or light signals

Publications (1)

Publication Number Publication Date
WO2017042044A1 true true WO2017042044A1 (en) 2017-03-16

Family

ID=56851593

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2016/070356 WO2017042044A1 (en) 2015-09-08 2016-08-30 Road user warning method and device for use in a rail vehicle, using sound signals or light signals

Country Status (2)

Country Link
EP (1) EP3319859A1 (en)
WO (1) WO2017042044A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040145467A1 (en) * 2002-10-02 2004-07-29 Roby Richard J. Method and apparatus for indicating activation of a smoke detector alarm
GB2427296A (en) * 2005-06-13 2006-12-20 Motorola Inc System for collision warning by mobile stations sending location information to a central station which then sends out alert signals when required
DE102010007884A1 (en) * 2010-02-13 2010-12-02 Daimler Ag Method for predictive collision warning and collision avoidance of e.g. passenger car, with e.g. pedestrian, in road traffic at e.g. pedestrian zone, involves determining presence of road user in environment of vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040145467A1 (en) * 2002-10-02 2004-07-29 Roby Richard J. Method and apparatus for indicating activation of a smoke detector alarm
GB2427296A (en) * 2005-06-13 2006-12-20 Motorola Inc System for collision warning by mobile stations sending location information to a central station which then sends out alert signals when required
DE102010007884A1 (en) * 2010-02-13 2010-12-02 Daimler Ag Method for predictive collision warning and collision avoidance of e.g. passenger car, with e.g. pedestrian, in road traffic at e.g. pedestrian zone, involves determining presence of road user in environment of vehicle

Also Published As

Publication number Publication date Type
EP3319859A1 (en) 2018-05-16 application

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