EP3233579A1 - Système de sécurité pour un véhicule d'une flotte de véhicules - Google Patents

Système de sécurité pour un véhicule d'une flotte de véhicules

Info

Publication number
EP3233579A1
EP3233579A1 EP15810672.4A EP15810672A EP3233579A1 EP 3233579 A1 EP3233579 A1 EP 3233579A1 EP 15810672 A EP15810672 A EP 15810672A EP 3233579 A1 EP3233579 A1 EP 3233579A1
Authority
EP
European Patent Office
Prior art keywords
trigger function
dummy
vehicles
communication device
actuator
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.)
Withdrawn
Application number
EP15810672.4A
Other languages
German (de)
English (en)
Inventor
Heiko Freienstein
Armin Koehler
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP3233579A1 publication Critical patent/EP3233579A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0134—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/017—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including arrangements for providing electric power to safety arrangements or their actuating means, e.g. to pyrotechnic fuses or electro-mechanic valves
    • B60R21/0173—Diagnostic or recording means therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
    • B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • B60W30/085—Taking automatic action to adjust vehicle attitude in preparation for collision, e.g. braking for nose dropping
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C5/00—Registering or indicating the working of vehicles
    • G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
    • G07C5/0841—Registering performance data
    • G07C5/085—Registering performance data using electronic data carriers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/164—Centralised systems, e.g. external to vehicles
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • G01S17/93—Lidar systems specially adapted for specific applications for anti-collision purposes

Definitions

  • the invention relates to a safety system for a vehicle of a vehicle
  • Irreversible actuators of personal protective equipment for passive safety systems in vehicles such as pyrotechnic belt tensioners and airbags
  • pyrotechnic belt tensioners and airbags are nowadays usually triggered on the basis of a contact sensor.
  • Reversible actuators of personal protective equipment such as electric-powered belt tensioners, are already being used in a pre-crash phase on the basis of a
  • the safety system according to the invention for a vehicle of a vehicle fleet with the features of independent patent claim 1 and the inventive arrangement for validating a pre-trigger function for safety systems in vehicles of a vehicle fleet with the features of independent claim 5 have the advantage that both software components or parameters of the algorithm for crash detection as well as software components or parameters of the pre-crash function for the actuation of actuators in the event of a detected or imminent crash subsequently, ie after installation, can be activated.
  • the software components for crash detection are basically active but evaluated with various parameters via dummy actuators until a certain robustness can be proven. If that is the case, the algorithms are unlocked with the optimal parameterization for intervention on the real actuators.
  • the basic idea is differently configured or parameterized depending on the required recognition rate, recognition time and robustness.
  • the first set of parameters allows only uncritical interventions with reversible measures or interventions with a strong restriction of the field of effect in order to provide a high level of robustness even with a low degree of validation.
  • the second set of parameters enables the activation of interventions with a higher safety risk or of irreversible measures and interventions with a broader field of effect, since these are protected by the high degree of validation.
  • Embodiments of the present invention provide a safety system for a vehicle of a vehicle fleet with personal protective equipment, a
  • a pre-crash system which includes an environment sensor for detecting at least one crashrelevanten physical size in the vehicle environment, and an evaluation and control unit available, which of the contact sensor and the environment sensors evaluated physical variables for impact detection and pre-crash detection and evaluates depending on the evaluation and predetermined parameters at least one actuator of the personal protection means.
  • the pre-crash system has at least one dummy actuator and an adaptive pre-trigger function which is implemented with different parameter sets as a function of the current validation level and evaluates the detected physical variables for pre-crash detection, an unavoidable one Detect crash, wherein a first set of parameters, which restricts the pre-trigger function to a dummy operation, in which the pre-trigger function generates at least one trigger signal for the dummy actuator, when the evaluation of the physical quantities to an unavoidable Crash closes, as long as implemented, until the current validation level meets a predetermined condition, the pre-trigger function adjusts the triggering of the dummy actuator with the behavior of the evaluation and control unit and depending on the adjustment, the triggering of the dummy Actuator classifies as "correct” or as "false trip" , In the automatic adjustment, the triggering of the dummy actuator that has occurred is compared, for example, with the signals of the contact sensors (inertial sensors) present in the vehicle.
  • an acceleration pulse was measured by the contact or inertial sensor which caused the evaluation and control unit, for example, to trigger a belt tensioner, then this triggering can be described as " Correct "or saved as a” True Positive “event. If such an acceleration pulse is missing, then it is a “false triggering” or a “false positive” event, which is stored.
  • an arrangement for the validation of a pre-trigger function for security systems according to the invention in vehicles of a vehicle fleet which comprises a center with a computer system, a second communication device and storage means.
  • the computer system communicates with the vehicles of the vehicle fleet via the second communication device and exchanges data with the vehicles.
  • the central computer system receives the ratings of dummy actuator releases and / or the sum of hours of operation of vehicles in the vehicle fleet.
  • the computer system stores this information in the storage means.
  • the computer system evaluates this information to calculate the current validation level of the pre-trigger function and to check the first parameter set.
  • the pre-trigger function may include a data recorder, which stores the classification of the triggering of the dummy actuator and adds up the operating hours.
  • the pre-trigger function may include a first communication device, via which the classification of the triggering of the dummy actuator and / or the sum of the operating hours can be transmitted to a control center.
  • the first communication device can receive an updated first parameter set or a second parameter set from the central office and make it available to the pre-trigger function.
  • the second parameter set releases a proper operation of the pre-trigger function in which the pre-trigger function generates triggering signals for the at least one actuator of the personal protection device.
  • the computer system can determine the number of "false triggering" of the dummy actuators in vehicles of the vehicle fleet and the sum of the operating hours of these vehicles of the vehicle fleet and the current validation level of the pre-trigger function as a number of "false triggering "calculates the dum- my actuators in the vehicles for a time unit.
  • the computer system may compare the calculated current validation level of the pre-trigger function with a predetermined threshold representing a required robustness of the pre-trigger function.
  • the computer system can output the second parameter set to vehicles of the vehicle fleet if the number of "false triggering" of the dummy actuators in the vehicles for a time unit falls below the predetermined threshold value.
  • the computer system can communicate via the second communication device directly or via a third communication device with the first communication devices of the vehicles of the vehicle fleet.
  • the third communication device may, for example, be arranged in a workshop and read out the data recorder of the pre-trigger function via the first communication device during a diagnosis.
  • the communication devices are preferably designed as IP nodes (IP: Internet Protocol).
  • IP Internet Protocol
  • the activation or parameterization of software components of the pre-trigger function takes place, for example, via a wireless radio link with an IP node in the respective vehicle of the vehicle fleet and a authorable and protected download function.
  • the activation or parameterization of software components of the pre-trigger function via a diagnostic tool in the workshop, for example, when performing service intervals or facelifts are performed.
  • the reading of the data collected in the vehicles of the vehicle fleet can also be done via a wireless radio link with IP nodes in the respective vehicle of the vehicle fleet or via the diagnostic interface during workshop visits.
  • the individual vehicles can transmit the collected data periodically upper after triggering the dummy actuator via a radio link to a cloud or a server in the control center.
  • the central office can be set up, for example, by the vehicle manufacturer, a supplier or a service provider who can constantly evaluate the collected data. Since the activation or parameterization of software components of the pre-trigger function is an activation of safety-critical functions, the activation, regardless of the form in which it occurs, is protected and only by an authorized agency.
  • FIG. 1 shows a schematic block diagram of an arrangement for validating a pre-trigger function for safety systems in vehicles of a vehicle fleet with an exemplary embodiment of a safety system according to the invention for a vehicle of a vehicle fleet.
  • a vehicle fleet 1 comprises a plurality of vehicles, of which three vehicles 1A, 1B, IC are shown by way of example. Each of these vehicles 1A, 1B, IC comprises a safety system 2, which is shown in more detail in a first vehicle 1A of the vehicle fleet 1. As can also be seen from FIG.
  • the security system 2 comprises personal protection means 7, a contact sensor 4 for detecting at least one impact-relevant physical variable, a pre-crash system 10, which contains an environment sensor system 3 for detecting at least one crash-relevant physical variable in FIG Vehicle environment includes, and an evaluation and control unit 5.1, which evaluates the detected by the contact sensor 4 and the environment sensors 3 physical variables for impact detection and pre-crash detection and depending on the evaluation and predetermined parameters at least one actuator 14A, 14B, 14C of the personal protection means 7 controls.
  • the pre-crash system 10 has at least one dummy actuator 14D and an adaptive pre-trigger function 12, which is implemented with different parameter sets depending on the current validation level and evaluates the detected physical quantities for pre-crash detection, to detect an unavoidable crash, wherein a first parameter set restricts the pre-trigger function 12 to a dummy operation in which the pre-trigger function 12 generates at least one trigger signal for the dummy actuator 14D when the evaluation the physical quantities to an unavoidable crash conclude, is implemented until the current validation level meets a predetermined condition, the pre-trigger function 12, the triggering of the dummy actuator 14D with the behavior of the evaluation and control unit 5.1 adjusts and depending on the adjustment, the triggering of the dummy actuator 14D as "correct” or classified as "false trip".
  • the pre-trigger function 12 comprises a data recorder 18 which stores the classification of the triggering of the dummy actuator 14D and accumulates the operating hours, and a first communication apparatus 16, via which the classification of the triggering of the dummy actuator 14D and / or or the sum of operating hours to a central 20 are transferable.
  • the first communication device 16 receives an updated first parameter set or a second parameter set from the center 20 and makes them available to the pre-trigger function 12.
  • the second parameter set releases an intended operation of the pre-trigger function 12, in which the pre-trigger function 12 generates triggering signals for the at least one actuator 14A, 14B, 14C of the personal protection device 7.
  • the personal protection means 7 include reversible retaining means 7.1, such as electromotive belt tensioners or active engine hoods, which are triggered by a first actuator 14A, irreversible retaining means 7.2, such as inner and / or outer airbags, for example triggered by a second pyrotechnic actuator 14B, and adaptive crash structures 7.3 triggered by a third actuator 14C.
  • actuators can be provided which make active interventions in the vehicle brake system, the steering, the chassis and / or the damper system and / or generate an additional braking effect.
  • the environmental sensor system 3 includes, for example, radar, video, ultrasound or lidar systems for detecting the crashrelevanten physical variables in the vehicle environment.
  • the contact sensor 4 includes, for example, pressure and / or acceleration sensors for detecting the impact-related physical quantities.
  • the evaluation and control unit 5.1 and the components of the pre-crash system 10 are implemented in the illustrated embodiment in a common control unit 5.
  • the evaluation and control unit 5.1 and the pre-trigger function 12 any data from sensor information of the environment sensor 3 and the contact sensor 4 merge to detect an impending impact.
  • the illustrated arrangement for validating a pre-trigger function 12 for security systems 2 in vehicles 1A, 1B, IC of a vehicle fleet 1 comprises a center 20, which comprises a computer system 22, a second communication device 24 and storage means 28.
  • the computer system 22 communicates via the second communication device 24 with the vehicles 1A, IB, IC of the vehicle fleet 1 and exchanges data with the vehicles 1A, IB, IC of the vehicle fleet 1.
  • the computer system 22 receives the classifications of triggers of the dummy actuators 14D and / or the sum of the operating hours of vehicles 1A, 1B, IC of the vehicle fleet 1, stores these data in the memory means 28 and evaluates these data for calculating the current validation level of the pre-test. Trigger function 12 and to check the first parameter set.
  • the computer system 22 determines, if necessary, the number of "false trips" of the dummy actuators 14D in vehicles 1A, 1B, IC of the vehicle fleet 1 and the sum of the hours of operation of these vehicles 1A, IB, IC of the vehicle fleet 1 and calculates the current validation level of the pre-load vehicle.
  • Trigger function 12 as the number of "false trips" of the dummy actuators 14D in the vehicles 1A, IB, IC for one time unit.
  • the computer system 22 compares the calculated current validation level of the pre-trigger function 12 with a predetermined threshold, which represents a required robustness of the pre-trigger function 12.
  • the computer system 22 outputs the second parameter set to vehicles 1A, IB, IC of the vehicle fleet 1 when the number of "false trips" of the dummy actuators 14D in the vehicles 1A, IB, IC falls short of the predetermined threshold for a unit time
  • the parameter set enables the activation of interventions with a higher safety risk or of irreversible measures and interventions with a broader field of effect, since these are protected by the high degree of validation.
  • the computer system 22 can be connected via the second communication device 24 directly or via a third communication device.
  • Device 26 communicate with the first communication devices 16 of the vehicles 1A, 1B, IC of the vehicle fleet 1.
  • the third communication device 26 may, for example, be arranged in a workshop and read out the data recorder 18 of the pre-trigger function 12 via the first communication device 16 during a diagnosis.
  • the communication device 16, 24, 26 are each designed as IP nodes. This advantageously enables the activation or parameterization of software components of the pre-trigger function 12 by means of a corresponding communication connection between the second communication device 24 and the third communication device 26 with that of the first communication device 16 in the vehicle 1A, 1B, IC an authorized and protected download function.
  • the parameter sets can be transmitted from the center 20 directly to the first communication device 16 via the second communication connection 24 or indirectly to the first communication device 16 via the second communication connection 24 and the third communication connection 26.
  • the data can be exchanged between the center 20 and the vehicles 1A, 1B, IC of the vehicle fleet 1 via a cloud.
  • the center 20 can be set up, for example, by the vehicle manufacturer, a supplier or a service provider who can constantly evaluate the collected data.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Transportation (AREA)
  • Traffic Control Systems (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

Dans le cadre de la présente invention, un système de pré-collision (10) comporte au moins un actionneur factice (14D) et une fonction adaptative de pré-déclenchement (12), laquelle est implémentée en fonction d'un degré de validation instantané avec différents jeux de paramètres et qui analyse les grandeurs physiques détectées aux fins de l'identification d'une pré-collision afin d'identifier une collision ne pouvant être évitée. Un premier jeu de paramètres, qui limite la fonction de pré-déclenchement (12) à un mode factice, dans lequel la fonction de pré-déclenchement (12) produit au moins un signal de déclenchement pour l'actionneur factice (14D) quand l'analyse des grandeurs caractéristiques laisse conclure à une collision ne pouvant être évitée, est implémenté tant que le degré de validation instantané remplit une condition prédéfinie. La fonction de pré-déclenchement (12) compense le déclenchement de l'actionneur factice (14D) avec le comportement de l'unité d'analyse et de commande (5.1) et classe, en fonction de la compensation, le déclenchement de l'actionneur factice (14D) comme étant « correct » ou comme étant « un déclenchement erroné ».<sb />
EP15810672.4A 2014-12-18 2015-12-17 Système de sécurité pour un véhicule d'une flotte de véhicules Withdrawn EP3233579A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014226420.0A DE102014226420B4 (de) 2014-12-18 2014-12-18 Sicherheitssystem für ein Fahrzeug einer Fahrzeugflotte
PCT/EP2015/080186 WO2016097121A1 (fr) 2014-12-18 2015-12-17 Système de sécurité pour un véhicule d'une flotte de véhicules

Publications (1)

Publication Number Publication Date
EP3233579A1 true EP3233579A1 (fr) 2017-10-25

Family

ID=54850203

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15810672.4A Withdrawn EP3233579A1 (fr) 2014-12-18 2015-12-17 Système de sécurité pour un véhicule d'une flotte de véhicules

Country Status (6)

Country Link
US (1) US10479303B2 (fr)
EP (1) EP3233579A1 (fr)
JP (1) JP2017538624A (fr)
CN (1) CN107107854A (fr)
DE (1) DE102014226420B4 (fr)
WO (1) WO2016097121A1 (fr)

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Also Published As

Publication number Publication date
CN107107854A (zh) 2017-08-29
JP2017538624A (ja) 2017-12-28
US10479303B2 (en) 2019-11-19
DE102014226420B4 (de) 2023-03-16
WO2016097121A1 (fr) 2016-06-23
DE102014226420A1 (de) 2016-06-23
US20170349127A1 (en) 2017-12-07

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