DE102012011147A1 - Method for producing emergency response to vehicle using mobile communication apparatus, involves executing emergency response by mobile communication apparatus depending on determined risk index - Google Patents

Abstract

The method involves transmitting (101) status data of vehicle to an evaluation device of mobile communication apparatus. The environment status data of surrounding area of mobile communication apparatus is provided (103) to the evaluation device. The risk index is determined (104) by the evaluation device based on vehicle status data and environment status data. An emergency response is determined (105) based on the determined risk index. The emergency response is executed (106) by the communication apparatus depending on the determined risk index. The vehicle status data is transmitted from the vehicle to mobile communication apparatus via Bluetooth communication. Independent claims are included for the following: (1) mobile communication apparatus; and (2) computer program product for producing emergency response to vehicle.

Description

The invention relates to a method for generating and executing an emergency response by means of a mobile communication device carried in a vehicle. Furthermore, the invention relates to a corresponding communication device and a computer program product.

A method for generating and executing an emergency response by means of a mobile communication device carried in a vehicle is known from WO 2004/066665 A1 known. In this case, sensors are arranged in the vehicle, which transmit data on the vehicle condition to a permanently arranged in the vehicle evaluation unit. The evaluation unit analyzes the data and determines whether a given vehicle event (for example an accident) has occurred. If such a vehicle event is detected by the evaluation unit, an information ("event message") is sent to the mobile communication device which, for example, causes the mobile communication device to send a predetermined emergency message to an "emergency response service" or to call an emergency call number , The generation of the event message takes place in WO 2004/066665 A1 exclusively on the basis of the vehicle sensors.

Furthermore, from the DE102009033560 A1 a completely vehicle-independent method for controlling a mobile device, in particular a mobile device, the method comprising the following steps: providing acceleration data for a movement of the mobile device in an evaluation device in the mobile device, providing speed data for the movement of the mobile device in the evaluation device in the mobile device, evaluating the acceleration data and the speed data by means of the evaluation and sending an emergency message by the evaluation if an emergency situation is detected when evaluating the acceleration data and the speed data.

In the DE102009033560 A1 the possibility is disclosed of providing a mobile device, in particular a mobile telephone, with functionalities such that in certain situations, in particular in connection with an emergency situation, an automatic autonomous operation of the mobile device can be carried out without the requirement of user input. The emergency situation is automatically detected by the mobile device, whereupon an emergency message is sent by the mobile device. This is usually done via a wireless communication network, for example a mobile network. The emergency message is automatically generated in DE102009033560 A1 in the mobile device, wherein either previously stored for this purpose messages can be used. However, it can also be provided to automatically compile an emergency message as a function of a specific emergency situation with the aid of the evaluation device of the mobile device. The emergency message can be transmitted, for example, as a so-called SMS message (Short Message Service). But also an emergency message in the form of a telephone call with transmission of data can be provided.

In order to be configured for various emergency situations, the evaluation device of the mobile device is provided with suitable software programming. It is provided that the presence of an emergency situation from a common evaluation of acceleration data and speed data for the movement of the mobile device is detected. This increases the security of distinguishing actual emergency situations from other random events that are not an emergency situation.

The object of the invention is to improve the method and apparatus known in the prior art, and in particular to enable generation and execution of an emergency reaction by means of a vehicle-mounted mobile communication device with an even lower false triggering rate and to make it more robust and reliable.

The invention results from the features of the independent claims. Advantageous developments and refinements are the subject of the dependent claims. Other features, applications and advantages of the invention will become apparent from the following description, as well as the explanation of embodiments of the invention, which are illustrated in the figures.

A first aspect of the invention relates to a method for generating and executing an emergency response by means of a mobile communication device carried in a vehicle. The communication device is preferably a mobile telephone, a smartphone, a tablet computer, a notebook, etc. The inventive method comprises the following steps: transmitting status data of the vehicle to an evaluation device of the mobile communication device, providing sensor data of at least one sensor present in the communication device the evaluation device, retrieving environmental condition data for an environment of the mobile communication device from a wireless network by the communication device and providing the environmental state data in the Evaluation device, based on the data provided in the evaluation device (state data, sensor data and ambient state data) determining a hazard index h by the evaluation, depending on the determined hazard index h determining an emergency response, and depending on the determined hazard index h performing the emergency response by the mobile communication device.

The invention is therefore based on the fact that in the mobile communication device by evaluation of transmitted state data of the vehicle, autonomously determined in the communication device sensor data, and environmental condition data for an environment of the mobile communication device, preferably a hazard index h is continuously determined. Depending on the determined hazard index h, an emergency reaction is possibly generated and executed in the mobile communication device. The term "emergency reaction" is understood broadly in the present case. The emergency response may be an emergency message (SMS, MMS text file, voice message, e-mail, etc.), or a telephone number to dial, or an internet address to be called, etc. Depending on the hazard index h, different ones may also be used Emergency reactions are identified and executed.

The opposite of the WO 2004/066665 A1 Additional use of sensor data from the communication device and environmental state data retrieved over a wireless network (eg, mobile Internet) enables more reliable and robust determination of accident events, as well as a more reliable distinction of "severity of accident." Thus, light accidents can be better distinguished from serious accidents.

The analysis or evaluation of the data provided in the communication device is preferably carried out as part of a software application ("app"). The method or the corresponding software application can be configured specifically for a vehicle or one or more vehicle types. For this purpose, the data interfaces of the respective vehicle and the communication device are adapted to one another.

The term "state data" is widely understood in the present case. It includes all measurands that can be determined by existing sensors in the vehicle. It preferably includes data on position, speed and acceleration of the vehicle, and / or status of in-vehicle systems such as airbags, seatbelt pretensioners, etc. and / or brake actuation status, and / or data from temperature sensors, and / or data from Fire sensors, and / or data from crash sensors, etc. The state data of the vehicle are preferably transmitted wirelessly, in particular by means of a short-range Wi-Fi or Bluetooth connection to the communication device.

In addition to the condition data, which are preferably continuously transmitted from the vehicle to the mobile communication device (if the vehicle is in operation), sensor data are taken into account for determining the hazard index h, independently of the vehicle by sensors of the communication device, such as a GPS, GLONASS - or GALILEO sensor, an acceleration sensor, a temperature sensor, etc. are determined. The sensor data preferably include the position, the speed and / or the acceleration of the communication device or its temporal changes.

Furthermore, to determine the hazard index h environmental condition data are taken into account, which are retrieved by the communication device from a wireless radio network / mobile Internet, for example via mobile GSM, UMTS, HSP-LTE network. The state data, the sensor data and the environmental state data are preferably continuously provided in the evaluation device of the communication device for determining the hazard index h. A preferred up-date rate of this data is in the range of 0.001 Hz to 100 Hz, preferably in the range of 0.1 Hz to 10 Hz or 1 Hz. Preferably, the determination of the hazard index h is carried out in an analogous manner with an up-date rate in Range from 0.001 Hz to 100 Hz, preferably in the range of 0.1 Hz to 10 Hz or 1 Hz.

The term "environmental data" is also widely understood herein. It includes all data with which a current environment of the communication device can be described. The "environment" refers to a preferred range of 10 m to 10 km, or 100 m to 5 km, or 100 m to 2.5 km, or 100 m to 1.5 km to the current position of the communication device. The environmental data preferably include current traffic data (traffic flows, traffic density, traffic jams, accident events, road closures, traffic jams, construction sites, etc.), weather data (temperatures, wind, precipitation data, etc.) and / or road condition data (ice-snow, water coverage of roads, aquaplaning Danger, dangerous inclination / slope, dangerous curve, etc) especially along a road currently occupied by the vehicle.

Which environment data is retrieved from the radio network is either given or automatically, depending on the state data of the vehicle and / or the sensor data from the communication device after a predetermined scheme selected. The environmental data provides important additional information for checking the consistency of the data, thus helping to reduce false alarms.

A preferred further development of the method is characterized in that, before the determination of a hazard index h, an initial check of the consistency (consistency analysis) of the condition data, sensor data and ambient condition data provided in the evaluation device takes place. The hazard index h is then determined as a function of the established consistency of the data. For example, if the consistency analysis reveals that the data provided in the evaluation device are contradictory, the hazard index h, for example, is correspondingly less weighted (with a weighting factor <1). On the other hand, if the consistency analysis shows that the data provided in the evaluation device are consistent, then the hazard index h is weighted with a weighting factor = 1.

A particularly advantageous embodiment of the method is characterized in that the data provided in the evaluation device (state data, sensor data and ambient state data) each contribute to the hazard index h with a predetermined weighting. This allows a correspondingly high weighting of data which, for example, indicate a serious accident event with high safety, such as, for example, the triggering of an airbag and very high acceleration values. While other data, such as the ambient temperature, the near end of the jam, etc. rather light weight in determining the hazard index. For example, if the vehicle's condition data includes: acceleration data, airbag status data, and driver seatbelt data, the acceleration data may include, for example, a weighting factor of 0.6, the status of airbags, a weighting factor of 0.3, and seatbelt condition data Drivers are assigned a weighting factor of 0.1.

In a preferred embodiment of the method, the execution of the emergency response depends on the determined hazard index h only after the execution has been authorized by an operator input to the communication device. Furthermore, depending on the determined hazard index h, an output of instructions by means of a vehicle-equipped output unit and / or by means of an output unit of the communication apparatus can take place, even without an emergency reaction being carried out.

• 1. Gesundheitszustand am Unfall beteiligter Personen ermitteln,
• 2. Ambulanz (Rettungswagen) anfordern,
• 3. Anleitung zu Rettungsmaßnahmen (Link auf entsprechende Internetseite anbieten,
• 4. Polizei rufen,
• 5. Versicherung/ADAC anrufen, etc.

Thus, the method is preferably configured in such a way that an emergency response in cases in which the determined hazard index h is greater than a limit value G1 is automatically executed immediately after the emergency response has been determined. While in cases in which the hazard index h is less than the limit value G1 but greater than a limit value G2 (with G2 <G1), an execution takes place only after authorization by an operator input to the communication device. Further, for example, in cases where the hazard index h is smaller than the threshold value G2, no emergency response is executed, but information is output to the driver by means of a vehicle output unit and / or by an output unit of the communication apparatus. Naturally, such indications can also be issued in cases in which the hazard index h is smaller than the limit value G1 but greater than a limit value G2. For example, in the latter case (minor accidents), the instructions may include an accident routine (checklist) as follows:

• 1. determine the state of health of persons involved in the accident,
• 2. Ambulance (ambulance) request
• 3. Guidance on Rescue Measures (link to corresponding website,
• 4. Call the police,
• 5. Call insurance / ADAC, etc.

The hints are not limited in their contents, but are preferably used to provide helpful information depending on the hazards / emergency situation.

For this purpose, a corresponding data communication between the communication device and the vehicle takes place. This allows the emergency response d. H. For example, whether an emergency message is transmitted, and if so, which are specified depending on the hazard index h.

Another aspect of the invention relates to a mobile communication device, in particular a mobile phone, smartphone, tablet computer, notebook, etc., which is set up and designed to carry out a method as described above. The communication device comprises for this purpose a receiving device for receiving status data of a vehicle, at least one sensor present in the communication device for providing sensor data, a first device for retrieving environmental state data for an environment of the mobile communication device from a radio network, an evaluation device for determining a hazard index h Based on the condition data, the sensor data and the environmental condition data, a second means for determining an emergency response depending on the determined hazard index h, and a third means for performing the emergency response depending on the determined hazard index h.

Further advantages and embodiments of the communication device result from an analogous transmission of the above statements for the method according to the invention.

A final aspect of the invention relates to a computer program product with program code, which is optionally stored on a computer-readable storage medium and is suitable for executing the method described above when running on a computing device.

Further advantages, features and details emerge from the following description in which an exemplary embodiment is described with reference to the drawings. Described and / or illustrated features form the subject of the invention, or independently of the claims, either alone or in any meaningful combination, and in particular may additionally be the subject of one or more separate applications. The same, similar and / or functionally identical parts are provided with the same reference numerals.

Show it:

1 a schematic flowchart of an embodiment of the method according to the invention, and

2 a schematic structure of a mobile communication device according to the invention.

1 FIG. 12 shows a schematic flowchart of an embodiment of the method for determining and executing an emergency response by means of a vehicle 201 entrained mobile communication device 200 ,

• – einen Beschleunigungssensor, dessen Messwerte f(Car-Gyro) derart normiert sind, dass die Werte zwischen 0 und 100 variieren, wobei dem Wert 0 keine Beschleunigung, dem Wert 25 eine geringe Beschleunigung, dem Wert 50 eine mittlere Beschleunigung, und dem Wert 100 eine sehr große Beschleunigung zugeordnet sind,
• – einen Airbag-Statussensor im Lenkrad, dessen Messwerte f(Airbag) derart normiert sind, dass sie die Werte 0 oder 100 annehmen können, wobei der Wert 0 angibt, dass der Airbag nicht ausgelöst hat und der Wert 100 angibt, dass der Airbag ausgelöst hat, und
• – einen Anschnallstatussensor am Fahrersitz, dessen Messwerte f(Seat belt) derart normiert sind, dass sie die Werte 0 oder 100 annehmen können, wobei der Wert 0 angibt, dass der Fahrer angeschnallt ist und der Wert 100 angibt, dass der Fahrer nicht angeschnallt ist.

It is assumed for this embodiment that the vehicle 201 following sensors 202 for determining the vehicle condition comprises:

• An acceleration sensor whose measured values f (Car-Gyro) are normalized such that the values vary between 0 and 100, where 0 means no acceleration, 25 means low acceleration, 50 means medium acceleration, and 100 means are associated with a very large acceleration,
• An airbag status sensor in the steering wheel whose measured values f (airbag) are standardized so that they can assume the values 0 or 100, wherein the value 0 indicates that the airbag has not triggered and the value 100 indicates that the airbag is triggered has, and
• A buckle-up sensor on the driver's seat whose measured values f (seat belt) are standardized such that they can assume the values 0 or 100, the value 0 indicating that the driver is strapped in and the value 100 indicating that the driver is unbelted ,

• – einen Beschleunigungssensor, dessen Messwerte f(Mobile-Gyro) derart normiert sind, dass die Werte zwischen 0 und 100 variieren, wobei dem Wert 0 keine Beschleunigung, dem Wert 25 eine geringe Beschleunigung, dem Wert 50 eine mittlere Beschleunigung, und dem Wert 100 eine sehr große Beschleunigung zugeordnet sind, und
• – einen GPS-Sensor zur Ermittlung der Positionsänderung/Zeit der Kommunikationsvorrichtung 200, dessen Messwerte f(GPS-Pos) derart normiert sind, dass die Werte zwischen 0 und 100 variieren, wobei dem Wert 0 keine Positionsänderung, dem Wert 25 eine geringe Positionsänderung, dem Wert 50 eine mittlere Positionsänderung, und dem Wert 100 eine sehr große Positionsänderung zugeordnet sind,

It is further assumed that the communication device 200 following sensors 205 having:

• An acceleration sensor whose measured values f (mobile gyro) are normalized such that the values vary between 0 and 100, where 0 means no acceleration, 25 means low acceleration, 50 means medium acceleration, and 100 means are associated with a very large acceleration, and
• - A GPS sensor for determining the position change / time of the communication device 200 whose measured values f (GPS-Pos) are normalized such that the values vary between 0 and 100, wherein the value 0 does not change the position, the value 25 a small change in position, the value 50 a mean change in position, and the value 100 a very large one Position change are assigned,

• – Verkehrsstauinformationen zu Staus auf der vom Fahrzeug aktuell befahrenen Straße innerhalb einer Distanz von < 5 km. Die abgerufenen Staudaten f(Stau) werden derart normiert, dass sie einen Wert 0 oder 100 annehmen können, wobei der Wert 0 kein Stau auf dieser Straße und der Wert 100 einem Stau innerhalb einer Distanz von < 5 km entspricht, und
• – Umgebungstemperaturdaten. Die abgerufenen Umgebungstemperaturdaten f(Temp) werden derart normiert, dass sie einen Wert 0 oder 100 annehmen können, wobei der Wert 0 einer Umgebungstemperatur von > 5°C und der Wert 100 einer Umgebungstemperatur von < 5°C entspricht.

It is further assumed that the communication device 200 continuously following current environment data for an environment of the communication device 200 wirelessly retrieving over a mobile Internet data network:

• - Traffic congestion information on traffic jams on the road currently used by the vehicle within a distance of <5 km. The retrieved stowage data f (congestion) are normalized so that they can take a value 0 or 100, where the value 0 no traffic jam on this road and the value 100 corresponds to a traffic jam within a distance of <5 km, and
• - Ambient temperature data. The retrieved ambient temperature data f (Temp) are normalized so that they can assume a value 0 or 100, where the value 0 corresponds to an ambient temperature of> 5 ° C and the value 100 corresponds to an ambient temperature of <5 ° C.

This in 1 The process scheme shown comprises the following steps: In a first step 101 a transmission of current status data takes place: f (car gyro), f (airbag), f (seat belt) of the vehicle 201 to an evaluation device ( 208 ) of the mobile communication device ( 200 ). The transmission takes place by means of a Blutooth connection. In a second step 102 the sensor data is provided: f (mobile gyro) and f (GPS-Pos) in the communication device 200 existing sensors 202 in the evaluation device 208 , In a third step 103 the environment state data is retrieved: f (congestion) and f (Temp) for an environment of the mobile communication device 200 from a wireless network 207 by the communication device 200 and providing the environmental condition data in the evaluation device 208 , In a fourth step 104 is based on the in the evaluation 208 provided data determining a hazard index h by the evaluation 208 , For this the data will be weighted and charged as follows: h _car = 0.6 · f (car gyro) + 0.3 · f (airbag) + 0.1 · f (seat belt) (1) h _mob = 0.5 · f (mobile gyro) + 0.3 · f (GPS-Pos) + 0.1 · f (jam) + 0.1 · f (temp) (2) h = 0.8 · h _car + 0.2 h _mob (3)

The hazard index h and the variables h _car and h _mob can each assume values between 0 and 100. On the basis of the determined hazard index value k, a severity of the emergency situation can continue to be assigned as follows. Hazard index value k is in the range 0 to 20: No accident Hazard Index Value k ranges from 21 to 74: slight accident Hazard index value k is in the range 75 to 100: bad accident

In a fifth step 105 Depending on the determined hazard index h, the determination of an emergency reaction takes place. This emergency response is determined in the present case as follows.

If the hazard index value k is in the range 0 to 20, no emergency reaction takes place.

If the hazard index value k is in the range 21 to 74, the communication device proposes that the driver call the emergency number of the police, and / or the ambulance and / or the insurance and / or the telephone number of a trusted person. The numbers are automatically dialed by the operator after authorization by the operator.

If the hazard index value k is in the range 75 to 100, an automated call, for example, of a given telephone number and / or an automated transmission of a message to one or more addressees (emergency center, police, ambulance, etc.) takes place as an emergency response. An acoustic and / or optical and / or haptic signal is preferably output by the communication device when a hazard index value k in the range from 75 to 100 is determined, so that a user becomes aware that an automated emergency reaction is being carried out. Preferably, after issuing this signal, the operator remains for a few seconds (eg, 20 seconds) to automatically execute the emergency response to inhibit execution of the emergency response by means of an input.

After in the fifth step 105 the emergency reaction has been determined as a function of the hazard index h, takes place in the sixth step 106 Depending on the determined hazard index h, if necessary, carrying out the emergency response by the mobile communication device 200 ,

2 shows a schematic structure of a mobile communication device according to the invention 200 , which is set up and designed to carry out a method as described above. The communication device 200 comprises a receiving device 203 for receiving status data from vehicle sensors 202 of a vehicle 201 , The transmission of the status data preferably takes place by means of a Bluetooth connection 204 , Furthermore, the communication device comprises 200 in the present case three sensors 205 for providing sensor data, a first device 206 for retrieving environmental condition data for an environment of the mobile communication device 200 from a wireless network 207 , an evaluation device 208 for determining a hazard index h based on the state data, the sensor data and the environmental condition data, a second device 209 for determining an emergency reaction depending on the determined hazard index h, and a third device 210 to execute the emergency reaction depending on the determined hazard index h.

Although the invention has been further illustrated and explained in detail by way of preferred embodiments, the invention is not limited by the disclosed examples, and other variations can be derived therefrom by those skilled in the art without departing from the scope of the invention. It is therefore clear that a multitude of possible variations exists. It is also to be understood that exemplified embodiments are really only examples that are not to be construed in any way as limiting the scope, applicability, or configuration of the invention. Rather, the foregoing description and description of the figures enable one skilled in the art to practice the exemplary embodiments, and those skilled in the art, having the benefit of the disclosed inventive concept, can make various changes, for example, to the function or arrangement of individual elements recited in an exemplary embodiment, without Protected area, which is defined by the claims and their legal equivalents, such as further explanation in the description.

LIST OF REFERENCE NUMBERS

101-106

steps

200

mobile communication device

201

vehicle

202

Sensor / s for determining the vehicle condition

203

Receiving means for receiving status data of the vehicle

204

Bluetooth connection

205

sensors present in the communication device

206

first means for retrieving environmental condition data for an environment of the mobile communication device from a radio network

207

Wireless Network

208

Evaluation device for determining a hazard index h based on the state data, the sensor data and the environmental condition data

209

second device for generating an emergency message depending on the determined hazard index h

210

third device for transmitting the generated emergency message depending on the determined hazard index h

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• WO 2004/066665 A1 [0002, 0010]
• DE 102009033560 A1 [0003, 0004]

Claims (12)

Method for generating and executing an emergency reaction by means of a vehicle ( 201 ) entrained mobile communication device ( 200 ), with the following steps: 1.1. Transmission of status data of the vehicle ( 201 ) to an evaluation device ( 208 ) of the mobile communication device ( 200 1.2. Providing sensor data of at least one in the communication device ( 200 ) existing sensor ( 205 ) in the evaluation device ( 208 ), 1.3. Retrieving environmental condition data for a mobile communication device environment ( 200 ) from a wireless network ( 207 ) by the communication device ( 200 ) and providing the environmental condition data in the evaluation device ( 208 1.4. based on the data in the evaluation device ( 208 ) determining a hazard index h by the evaluation device ( 208 1.5. depending on the determined hazard index h Determining an emergency reaction, and 1.6. Depending on the determined hazard index h Execution of the emergency response by the mobile communication device ( 200 ). Method according to Claim 1, in which the status data of the vehicle ( 201 ) wirelessly, in particular by means of WLAN or Bluetooth, to the communication device ( 200 ) be transmitted. The method of claim 1 or 2, wherein in step 1.1. from the vehicle ( 201 ) include: speed of the vehicle ( 201 ), and / or - acceleration of the vehicle ( 201 ), and / or status of in the vehicle ( 201 ) existing airbag, and / or - brake actuation status, and / or - status of the belt tensioner systems and / or - data from temperature sensors, and / or - data from fire sensors, and / or - data from crash sensors. Method according to one of claims 1 to 3, wherein the sensor data in step 1.2. from one in the communication device ( 200 ), in particular a GPS, GLONASS or GALILEO receiver. Method according to one of claims 1 to 4, wherein the sensor data in step 1.2. from one in the communication device ( 200 ) provided acceleration sensor. Method according to one of claims 1 to 5, wherein in step 1.4. a consistency check in the evaluation facility ( 208 ) and the hazard index h is determined as a function of the established consistency of the data. Method according to one of claims 1 to 6, where the environmental condition data includes: - Traffic data, and / or - Weather data, and / or - Road condition data. Method according to one of claims 1 to 7, wherein in step 1.4. in the evaluation device ( 208 ) contribute with a given weighting to the hazard index h. Method according to one of claims 1 to 8, wherein depending on the determined hazard index h, the execution of the emergency response in step 1.6. only after the execution by an operator input to the communication device ( 200 ) was authorized. Method according to one of Claims 1 to 9, in which, depending on the determined hazard index h, an output of instructions by means of an in-vehicle ( 201 ) existing output unit and / or by means of an output unit of the communication device ( 200 ) he follows. Mobile communication device ( 200 ), which is set up and implemented for carrying out a method according to one of the preceding claims, comprising: 11.1. a receiving device ( 203 ) for receiving status data of a vehicle ( 201 ), 11.2. at least one in the communication device ( 200 ) existing sensor ( 205 ) for the provision of sensor data, 11.3. a first facility ( 206 ) for retrieving environmental condition data for a mobile communication device environment ( 200 ) from a wireless network ( 207 11.4. an evaluation device ( 208 ) for determining a hazard index h on the basis of the condition data, the sensor data and the environmental condition data, 11.5. a second facility ( 209 ) for determining an emergency reaction depending on the determined hazard index h, and 11.6. a third facility ( 210 ) to execute the emergency reaction depending on the determined hazard index h. Computer program product with program code which is optionally stored on a computer-readable storage medium and is adapted to execute a method according to one of claims 1 to 10 when running on a computing device.

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