EP4370767A1 - Verfahren und umgebungsüberwachungssystem zur erfassung von objekten in einer umgebung eines fahrzeugs sowie verfahren zum bestimmen einer bewegungsgrenze für eine bewegung einer beweglichen komponente eines fahrzeugs und türöffnungssystem oder kollisionswarnsystem für fahrzeugtüren zur durchführung des verfahrens - Google Patents
Verfahren und umgebungsüberwachungssystem zur erfassung von objekten in einer umgebung eines fahrzeugs sowie verfahren zum bestimmen einer bewegungsgrenze für eine bewegung einer beweglichen komponente eines fahrzeugs und türöffnungssystem oder kollisionswarnsystem für fahrzeugtüren zur durchführung des verfahrensInfo
- Publication number
- EP4370767A1 EP4370767A1 EP22738486.4A EP22738486A EP4370767A1 EP 4370767 A1 EP4370767 A1 EP 4370767A1 EP 22738486 A EP22738486 A EP 22738486A EP 4370767 A1 EP4370767 A1 EP 4370767A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- vehicle
- objects
- movable component
- movement
- detecting
- 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.)
- Pending
Links
- 230000033001 locomotion Effects 0.000 title claims abstract description 147
- 238000000034 method Methods 0.000 title claims abstract description 74
- 238000012544 monitoring process Methods 0.000 title claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 63
- 230000007613 environmental effect Effects 0.000 claims description 36
- 238000002592 echocardiography Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
- E05F2015/432—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with acoustical sensors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F15/43—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound
- E05F2015/432—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with acoustical sensors
- E05F2015/433—Detection using safety edges responsive to disruption of energy beams, e.g. light or sound with acoustical sensors using reflection from the obstruction
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F2015/483—Detection using safety edges for detection during opening
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F2015/487—Fault detection of safety edges
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/20—Electronic control of brakes, disengaging means, holders or stops
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/30—Electronic control of motors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/32—Position control, detection or monitoring
- E05Y2400/322—Position control, detection or monitoring by using absolute position sensors
- E05Y2400/326—Position control, detection or monitoring by using absolute position sensors of the angular type
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/40—Control units therefor
- E05Y2400/41—Control units therefor for multiple motors
- E05Y2400/415—Control units therefor for multiple motors for multiple wings
- E05Y2400/42—Control units therefor for multiple motors for multiple wings for multiple openings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/44—Sensors not directly associated with the wing movement
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/50—Fault detection
- E05Y2400/508—Fault detection of detection
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/52—Safety arrangements associated with the wing motor
- E05Y2400/53—Wing impact prevention or reduction
- E05Y2400/54—Obstruction or resistance detection
- E05Y2400/57—Disabling thereof
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/26—Form or shape
- E05Y2800/30—Form or shape inclined, angled
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
Definitions
- Method and environment monitoring system for detecting objects in an environment of a vehicle and method for determining a movement limit for a movement of a movable component of a vehicle and door opening system or collision warning system for vehicle doors for carrying out the
- the present invention relates to a method for detecting objects in the surroundings of a vehicle, in particular for a door opening system or a collision warning system for vehicle doors, with at least one surroundings sensor, the vehicle having at least one movable component.
- the present invention also relates to a method for determining a movement limit for a movement of a movable component of a vehicle, in particular for a door opening system or a collision warning system for vehicle doors, based on detecting objects in the surroundings of the vehicle with at least one surroundings sensor.
- the present invention relates to an environment monitoring system with at least one environment sensor for detecting objects in an environment of the vehicle, at least one sensor for detecting a position of at least one movable component of the vehicle, and a control unit that communicates with the at least one environment sensor via a data connection and the at least one sensor for detecting a position of at least one movable component of the vehicle is connected to receive sensor information therefrom, wherein the surroundings monitoring system is designed to carry out the above method for detecting objects in a surroundings of a vehicle.
- the present invention relates to a door opening system or collision warning system for vehicle doors, the door opening system or the collision warning system for vehicle doors being designed to receive sensor information from at least one environment sensor with information relating to objects in the environment of the vehicle, the door opening system or the 2020PF01138
- Collision warning system for vehicle doors has a sensor for detecting a position of the movable component.
- the environment can be monitored using an environment sensor, a number of environment sensors of the same type, or any combination of different types of environment sensors.
- the environment in a close range of up to five to ten meters is often monitored using ultrasonic sensors that emit ultrasonic pulses and receive reflections of the emitted ultrasonic pulses on objects in the vicinity as ultrasonic echoes. Distances from objects can be determined based on a period of time from the transmission of the ultrasonic pulses to the receipt of the ultrasonic echoes.
- the environment is typically monitored for the environment sensors in its field of view, known as the “field of view”, based on calibrated parameters in order to detect the objects in the field of view.
- the field of view can be partially configured dynamically. To do this, sensor parameters can be adjusted, parts of the field of view can be hidden, or the field of view can be adjusted. These configurations can be carried out, for example, by software adjustments.
- the environmental sensors work reliably overall, it can always happen that wrong objects are detected. This means that the surroundings sensors detect an object at a position in the surroundings of the vehicle where there is no real object. Despite the configuration described, it can also happen with the ultrasonic sensors that such incorrect objects are detected. This applies in particular if the options for configuring the ultrasonic sensors are not used or cannot be used.
- the moving components can reflect the transmitted ultrasonic pulses.
- the moving components themselves cannot only be detected as wrong objects, but also lead to the detection of wrong objects at other positions due to sound reflections.
- errors can also occur due to ultrasonic pulses emitted by other ultrasonic sensors, which are detected as incorrect objects.
- the errors mentioned can therefore show up, for example, in that when the front door of the vehicle is open, ultrasonic sensors on the rear door can detect an incorrect object in front of or also behind the front door, in particular when the rear door is opened. When the rear door of the vehicle is open, ultrasonic sensors on the front door can detect an incorrect object in front of or behind the front door, especially when opening the front door.
- the errors mentioned also relate to the detection of incorrect objects by reflections on the moving components and/or the detection of incorrect objects with ultrasonic sensors attached to the moving components by reflections on other objects, for example on other vehicle components , appear.
- monitoring the environment in the area of moving components is particularly important and is therefore being carried out more frequently.
- a critical point is usually determined as a movement limit based on objects in the opening direction in front of the respective vehicle door, which limits a movement of the corresponding vehicle door.
- a critical opening angle is often defined. Accordingly, environment sensors are often attached to the vehicle in the vicinity of the moving components. Some of the environmental sensors are even attached directly to the moving components.
- DE 102019 102624 A1 discloses a method for detecting objects in the surroundings of a vehicle using a surroundings sensor, with the surroundings sensor being fitted in a sensor position on a movable vehicle part of the vehicle.
- the method comprises the steps of receiving sensor information from the environment sensor from the environment of the vehicle, determining a relative position of at least one object to the environment sensor based on the sensor information, detecting a movement position of the movable vehicle part, and determining an absolute position of the at least one object in relation to the vehicle based on the relative position of the at least one object, the movement position of the movable vehicle part and the sensor position of the environment sensor on the movable vehicle part.
- a driving support system for a vehicle having an environment sensor mounted in a sensor position on a movable vehicle part of the vehicle and a movement sensor for detecting a movement position of the movable vehicle part.
- the driving support system is designed to carry out the above method for detecting objects in an area surrounding the vehicle.
- DE 102014118318 A1 also discloses a method for detecting an object in an opening area of a first door of a motor vehicle using at least one first distance sensor.
- the at least one first distance sensor is arranged in and/or on the first door and has a detection range in which a current opening angle of the first door is detected and the 2020PF01138
- Detection range is adjusted depending on the detected opening angle.
- a state variable of at least one component of the motor vehicle that is different from the first door is determined, which describes a position and/or an operating setting of the at least one component.
- the detection range of the at least one first distance sensor is adjusted as a function of the determined state variable.
- DE 102013218571 A1 relates to a device for detecting the surroundings from the side of a motor vehicle and a method for simultaneously operating a parking assistance device and a door protection device, with the parking assistance device and the door protection device detecting the surroundings using surroundings sensors of the same construction.
- the invention is therefore based on the object of providing a method for detecting objects in an area surrounding a vehicle, a method for determining a movement limit for a movement of a movable component of a vehicle, an area monitoring system for detecting objects in an environment of the vehicle and to specify a door opening system or collision warning system for vehicle doors which overcomes at least some of the disadvantages mentioned above.
- a method for detecting objects in the surroundings of a vehicle, in particular for a door opening system or a collision warning system for vehicle doors, with at least one surroundings sensor, the vehicle having at least one movable component, comprising the steps of detecting objects in the surroundings of the vehicle with the at least one environmental sensor, detecting a current position of the at least one movable component, and detecting false objects from the detected objects based on their positions between the at least one movable component in its current position and in its normal position.
- a method for determining a movement limit for a movement of a movable component of a vehicle, in particular for a door opening system or a collision warning system for vehicle doors, based on a detection of objects in an environment of the vehicle with at least one environment sensor, comprising the steps of detecting objects in the surroundings of the vehicle with the at least one surroundings sensor, in particular according to the above method, and determining a movement limit of the movable component from its normal position based on the detected objects in the surroundings of the vehicle without false objects.
- an environment monitoring system is specified with at least one environment sensor for detecting objects in the environment of the vehicle, at least one sensor for detecting a position of at least one movable component of the vehicle, and a control unit that communicates via a data connection with the at least one environment sensor and the at least one sensor for detecting a position of at least one movable component of the vehicle is connected to receive sensor information therefrom, wherein the surroundings monitoring system is designed to carry out the above method for detecting objects in a surroundings of a vehicle.
- a door opening system or collision warning system for vehicle doors is specified according to the invention, the door opening system or the collision warning system for vehicle doors being implemented, sensor information from 2020PF01138
- the door opening system or the collision warning system for vehicle doors has a sensor for detecting a position of the movable component, wherein the door opening system or the collision warning system is implemented, the above method for determine a motion limit for motion of a moveable component of a vehicle.
- the basic idea of the present invention in the aspects mentioned above is therefore to recognize such objects as incorrect objects based on the positions of detected objects in the area surrounding the vehicle, whose positions are between the at least one movable component in its current position and in its normal position condition.
- This area was covered by the moveable component moving from its normal position to its current position, so objects typically cannot be located there. Nevertheless, it has been found in practice and in laboratory tests that objects that are not present in this area, i.e. incorrect objects, can be detected.
- a monitoring and/or control of moving components it is often advantageous or even necessary to mount appropriate environmental sensors in the vicinity of the moving components or even on the moving components. In practice, however, this means that the incorrect objects mentioned can be detected.
- these false objects can be filtered or marked so that they can be ignored for further processing.
- the detection of false objects is also referred to as ghost echo.
- the ghost echoes can occur due to reflections from the movable components and/or detection of false objects with ultrasonic sensors attached to the movable components based on reflections that occur on other objects, for example other vehicle components.
- a reliable detection of objects in the surroundings of a vehicle a reliable determination of a movement limit for a movement of a movable component of a vehicle, an area monitoring system for avoiding or reducing the detection of 2020PF01138
- the door opening system carries out a drive for the autonomous movement of the corresponding vehicle door or for force support in the movement of the vehicle door.
- the collision avoidance system monitors manual movement of the vehicle door and indicates a remaining margin for movement of the vehicle door in advance of and/or during movement of the vehicle door. In the event of an imminent collision of the vehicle door with an object, both can output an acoustic, optical and/or haptic warning.
- the at least one environmental sensor can be an ultrasonic sensor, a radar sensor, a LiDAR-based environmental sensor or an optical camera.
- the environmental monitoring system includes a plurality of environmental sensors, such as a plurality of ultrasonic sensors, which may be mounted at any location on the vehicle, including on the at least one movable component.
- the environment monitoring system particularly preferably comprises a combination of different types of environment sensors, each in any desired number and arrangement.
- the vehicle can be any vehicle per se, which has at least one corresponding movable component.
- Movable components can be, for example, vehicle doors, in particular side doors or panel doors, or also steerable wheels of the vehicle.
- flaps such as a patch flap or an engine hood, can also represent movable components within the meaning of the present invention.
- the current position of the at least one movable component is typically detected via a separate sensor, for example an angle sensor for vehicle doors.
- the current position of the at least one movable component can be detected with an environment sensor or with a plurality of environment sensors.
- the movement limit for a movement of the movable component of a vehicle is preferably determined in the direction of movement of the movable component 2020PF01138
- the normal position can depend on the type of moving component.
- the normal position is usually defined by the position of the vehicle door when it is closed. In this position, the vehicle has its smallest external dimensions.
- the normal position for example for steerable wheels of the vehicle, can be a straight-ahead position of the wheels, with two possible directions of movement resulting in this case. Determining the motion limit may include determining the closest object in the direction of motion that may restrict motion of the moveable component in that direction. Based on this closest object, the respective movement limit can be determined. In order to reliably determine the movement limit, incorrect objects are not taken into account.
- the motion limit can be determined based on 2D positions of the detected objects, i.e. each detected object is projected onto a plane. Alternatively, the motion limit can be determined based on 3D positions of the detected objects. This means that objects that are not relevant to a movement of the movable components, for example due to an elevated position, can be left unconsidered.
- other parameters can be included in the determination of the movement limit, for example inaccuracy ranges of the positions of the detected objects, a confidence in the detection of the objects with the at least one environmental sensor, an age of the detected objects, sensor parameters of the environmental sensors, a detection of the objects by a specific environmental sensor or by multiple environmental sensors or others.
- wrong objects are recognized in advance and can thus be marked or filtered so that they can be ignored when determining the movement limit.
- the surround surveillance system detects objects in the vicinity of the vehicle, as detailed above.
- the detection of the objects may be performed to provide information related to objects in the environment together, for example for use by driving support systems of the vehicle that use this information.
- the environment monitoring system can also be part of a corresponding driving support system.
- the environmental monitoring system includes a control unit that is connected via a data link to the at least one environmental sensor and the at least one sensor for detecting a position of at least one movable component of the vehicle.
- the sensors can also be provided independently on the vehicle. It is sufficient if the sensors transmit their sensor information to the control unit.
- the data connection is preferably designed as a data bus. In principle, any topology and transmission protocol can be used. In the automotive sector, data buses known as CAN, LON or FlexRay are widespread.
- the door opening system or the collision warning system for vehicle doors is designed to receive sensor information from the at least one environment sensor in relation to objects in the environment of the vehicle. Based on this, the door opening system or the collision warning system for vehicle doors can detect the surroundings of the vehicle, in particular in the vicinity of the corresponding vehicle doors.
- the environmental sensors can be part of the door opening system or the collision warning system. Alternatively, the environmental sensors can also be provided on the vehicle independently of the door opening system or the collision warning system. It is sufficient if the sensors transmit their sensor information to the door opening system or the collision warning system. The same applies to the sensor for detecting a position of the movable component.
- the method includes a step for creating an environment map with the detected objects in the environment of the vehicle.
- the environment map is a map that is typically defined for the vehicle and provides a common reference for all environment sensors. All detected objects can be displayed together in the environment map, so that in particular objects that are detected by different environment sensors can be easily related to one another. A fusion of sensor information from different environmental sensors can also be carried out in order to 2020PF01138
- the map of the surroundings typically represents a 2D projection of the detected objects in the map plane. Information about their vertical position or their vertical extension can also be assigned to the objects in the map of the surroundings. Based on the position of the at least one movable component, the movable component can also be displayed in the environment map. In addition, at least one incorrect detection area can be defined in the environment map, which is located between the at least one movable component in its current position and in its normal position. Thus, detected objects in the false detection area can be easily recognized as false objects.
- the detection of a current position of the movable component includes a detection of a current angular position of the movable component.
- the moveable component is preferably a vehicle door pivotally supported on a chassis of the vehicle.
- the vehicle door is usually pivotable about a vertical axis.
- the current angular position of the moveable component corresponds to an angle between the moveable component in its current position compared to its normal position, i.e. in a closed state.
- the method includes a step for detecting a movement of the at least one movable component based on a change in the detected position of the at least one movable component, and detecting incorrect objects from the detected objects based on their positions between the at least one Movable component in its current position and in its normal position takes place with additional consideration of the detected movement of the at least one movable component.
- the movement of the at least one movable component leads to a changed detection situation of the environment with the at least one environment sensor.
- the movement of the at least one movable component can be a movement of that movable component for which at least one wrong object has been detected in a position between the current position and its normal position.
- the movement can alternatively or additionally be a movement of another movable component.
- a movement of at least one movable component results in a change in the environment, which usually results in changes for the detection of the objects and in particular for the detection of the wrong objects.
- the method includes a step for detecting a change in a configuration of the at least one environmental sensor, and detecting incorrect objects from the detected objects based on their positions between the at least one movable component in its current position and in its normal position with additional consideration of the detected change in the configuration of the at least one environmental sensor.
- Changing the configuration of the at least one moving component leads to a changed detection situation in the surroundings of the vehicle. Even with a change in the configuration of the at least one environmental sensor, it can usually be assumed that there will also be changes for incorrect objects, so that previously detected incorrect objects will disappear and/or other incorrect objects, in particular at different positions, will be detected. If this is not the case, an incorrect object was not detected, but a real object is located in a position between the at least one movable component in its current position and in its normal position.
- the change in configuration can include a change in the field of view, a blanking out of parts of the field of view, or, in the case of ultrasonic sensors, a change in the frequency of the ultrasonic pulses emitted.
- the configuration can be changed, for example, by software adaptation or software configuration.
- the method includes a step for detecting a time duration of a detection of objects in the area surrounding the vehicle, and detecting false objects from the detected objects based on their positions between the at least one movable component in its current position and in their normal position is carried out with additional consideration of the time duration of the detection of the wrong objects on their positions between the at least one movable component in its current position and in its normal position.
- the detection of an object over a longer period of time serves as an indication that a detected object is a real object.
- the detection can change, i.e. the wrong object changes its position and/or the wrong object is only present temporarily.
- the determination of a movement limit of the movable component from its normal position based on the detected objects in the area surrounding the vehicle includes the application of a hysteresis.
- the hysteresis stabilizes a position and thus also a change in position of the movable component, so that smaller fluctuations in the detection of the objects, which can occur in practice due to tolerances, are not taken into account.
- changes in the detected position of objects that are not based on a movement of the corresponding objects can remain unconsidered.
- a hysteresis angle of preferably approximately +/-3° can be used in order to stabilize the determination of the current movement limit of the movable component. Accordingly, a hysteresis can also be used for detecting the current position of the at least one movable component.
- the method includes a step for detecting a pause in movement of the movement of the movable component, with the determination of the movement limit of the movable component being suspended during the pause in movement. If the moving component is not moving or is not moving and the objects around the vehicle are also not moving, the positions of the detected objects should be stable, especially for real objects as opposed to fake objects. Accordingly, it can be assumed for the movement pause that the movement limit does not change either. This means that the determination of the movement limit becomes stable, since it is wrong 2020PF01138
- the critical angle for opening the door can be frozen if the current angle of the corresponding vehicle door does not change.
- a movement pause occurs when the position of the corresponding movable component does not change for a defined period of time, which can be determined independently for each movable component and can be set individually for each movable component. As soon as the position of the corresponding movable component changes again, ie the movable component moves, the pause in movement is over and the movement limit of the movable component is determined again as before the pause in movement.
- a method for determining a movement limit for a movement of a movable component of a vehicle is also specified, in particular for a door opening system or a collision warning system for vehicle doors, based on a detection of objects in an environment of the vehicle with at least one environment sensor, comprising the steps of detecting of objects in the area surrounding the vehicle with the at least one environmental sensor, determining a current movement limit of the movable component based on the detected objects in the area surrounding the vehicle, detecting a current position of the movable component, and accepting the current movement limit if the current movement limit changes is not in a position between the moveable component in its current position and in its normal position.
- the basic idea of this method is to apply the above principles for detecting incorrect objects in the area surrounding the vehicle directly without first carrying out an explicit check of the detected objects to identify the incorrect objects. Rather, the incorrect objects are immediately taken into account by the fact that when the movement limit is adjusted, it is checked whether the new movement limit is not in a position between the movable component in its current position and in its normal position. In that case, in accordance with the above, the new motion limit is based on a false object detection and is not adopted. Only new movement limits that are in the direction of movement of the moving ones are accepted 2020PF01138
- a critical angle is determined as the movement limit, which is not changed until the new critical angle is greater than a current opening angle of the vehicle door.
- a time stamp can be assigned to this position when a current position of the movable component is recorded cyclically. This enables a correct estimation of a distance to an object or a "time of flight" in particular in the case of moving environment sensors, such as is the case with ultrasonic sensors attached to a vehicle door. As a result, positions of objects can be reliably determined by trilateration of the distance or the “time of flight”, as a result of which a method that is carried out cyclically is particularly reliable.
- Fig. 1 is a schematic partial representation of a vehicle with two
- Environmental monitoring system is designed with a plurality of ultrasonic sensors, according to a first preferred embodiment
- FIG. 2 shows a flowchart of a method for detecting objects in an area surrounding the vehicle from FIG. 1 according to a second embodiment
- FIG. 3 shows a flowchart of a method for determining a
- Fig. 4 is a flowchart of a method for determining a
- FIG. 1 shows a vehicle 10 (partly) with a vehicle side 12.
- the chassis 14 of the vehicle 10 is partially shown in FIG. 1, on which two vehicle doors 16 are held pivotably.
- the vehicle doors 16 are shown both in a normal position, which corresponds to a closed position of the vehicle doors 16, and in an open position.
- the vehicle doors 16 are moveable components 16 of the vehicle 10 within the meaning of the present invention.
- the vehicle 10 is implemented with an environment monitoring system 18 .
- the environmental monitoring system 18 includes a plurality of environmental sensors 20 located on the chassis 14 and vehicle doors 16 .
- the environmental sensors 20 are designed as ultrasonic sensors 20 in this exemplary embodiment.
- the ultrasonic sensors 20 are designed to emit ultrasonic pulses in an emission direction 22 away from the vehicle 10, ie away from the chassis 14 or the vehicle doors 16, and to receive ultrasonic echoes based thereon. Starting from the received ultrasonic echoes, objects 24 in surroundings 26 of vehicle 10 can be detected with their positions. 2020PF01138
- the environmental monitoring system 18 also includes a sensor 28 for detecting a position of each of the two vehicle doors 16. Each of the sensors 28 detects an angular position ⁇ , ⁇ of the associated vehicle door 16.
- the environmental monitoring system 18 additionally includes a control unit 30 which is connected via a data link 32 to the ultrasonic sensors 20 and to the sensors 28 for detecting the position of the respective vehicle door 16 of the vehicle 10 in order to receive sensor information therefrom.
- the data connection 32 is preferably designed as a data bus 32 . In principle, any topology and transmission protocol can be used. In the automotive sector, data buses 32 known as CAN, LON or FlexRay are widespread.
- the area monitoring system 18 is part of a door opening system or a collision warning system for vehicle doors 16.
- the door opening system or collision warning system for vehicle doors 16 is designed integrally with the area monitoring system 18 in this exemplary embodiment. Additional functionality of the door opening system or the collision warning system for vehicle doors 16 is implemented in the control unit 30 of the environmental monitoring system 18 .
- the door opening system carries out a drive for the autonomous movement of the corresponding vehicle door 16 or for force support in the movement of the vehicle door 16 .
- the collision avoidance system monitors manual movement of the vehicle door 16 and indicates a remaining margin for vehicle door 16 movement in advance of and/or during movement of the vehicle door 16 . In the event of an imminent collision of the vehicle door 16 with an object 24, both can output an acoustic, optical and/or haptic warning.
- a method for detecting objects 24 in the surroundings 26 of the vehicle 10 according to a second specific embodiment is described below with reference to FIG. The method is performed with the surround surveillance system 18 of the first embodiment.
- step S100 which relates to detecting objects 24 in the surroundings 26 of the vehicle 10 with the ultrasonic sensors 20.
- Step S110 relates to creating an environment map with the detected objects 24 in the environment 26 of the vehicle 10.
- the environment map is a map that is defined for the vehicle 10 and represents a common reference for all ultrasonic sensors 20. All detected objects 24 are displayed together in the map of the surroundings. For this purpose, a fusion of sensor information from the ultrasonic sensors 20 can be carried out in order to reliably detect the objects 24 .
- the map of the surroundings represents a 2D projection of the detected objects in the map plane.
- the objects 24 are additionally assigned information about their vertical position or their vertical extension in the map of the surroundings, insofar as this can be detected with the ultrasonic sensors 20 .
- Step S120 relates to detecting a current position of each of the vehicle doors 16.
- the positions of the vehicle doors 16 are detected using the sensors 28 for detecting the angular position ⁇ , ⁇ of the respective vehicle door 16 of the vehicle 10.
- the angular position ⁇ , ⁇ of the respective vehicle door 16 corresponds to an angle between the vehicle door 16 in its current position, i.e. in the open state, compared to its normal position in a closed state.
- the current position of the vehicle doors 16 can be detected using the ultrasonic sensors 20 attached to the chassis 14 .
- a position of the vehicle doors 16 is also displayed on the map of the surroundings.
- an incorrect detection area 34 can be defined in the area map, which is located between the respective vehicle door 16 in its current position and in its normal position.
- Step S130 relates to detecting a movement of the vehicle doors 16 based on a change in the detected position of the respective vehicle door 16.
- Step S140 relates to detecting a change in a configuration of the ultrasonic sensors 20.
- the change in a configuration of the ultrasonic sensors 20 can be carried out during operation, preferably by the control unit 30 or 2020PF01138
- the change in configuration can include a change in the field of view, a blanking out of parts of the field of view, a change in the frequency of the transmitted ultrasonic pulses or others.
- the configuration is changed by software adaptation or software configuration of the ultrasonic sensors 20 .
- Step S150 relates to a detection of a period of detection of the objects 24 in the surroundings 26 of the vehicle 10. It is detected how long the respective objects 24 have already been in the surroundings 26 of the vehicle 10, or how long the respective objects 24 have been are already in their current position.
- Step S160 relates to detecting false objects 36 from the detected objects 24 based on their positions between the respective vehicle door 16 in its current position and in its normal position. Objects 24 located in the false detection area 34 are therefore detected as false objects 36 .
- the detected movement of the vehicle doors 16, the duration of the detection of the wrong objects 36 in the wrong detection area 34 and a detected change in the configuration of the ultrasonic sensors 20 are taken into account.
- the movement of the vehicle door 16 can be a movement of that vehicle door 16 for which at least one incorrect object 36 was detected in the incorrect detection area 34 .
- the movement of the vehicle door 16 may alternatively or additionally be a movement of another vehicle door 16 .
- the movement of the respective vehicle door 16 as well as the change in the configuration of the ultrasonic sensors 20 each lead to a changed detection situation of the surroundings 26 with the ultrasonic sensors 20. Based on the changed detection situation, there are often changes for wrong objects 36, so that previously detected wrong objects 36 disappear, i.e. are no longer detected, and/or other incorrect objects 36, in particular at other positions, are detected. If this is not the case, no false object 36 was detected, but a real object 24 is located in the false detection area 34.
- the detection can change, i.e. the incorrect object 36 changes its position and/or the incorrect object 36 is only temporarily present.
- the detected wrong objects 36 are filtered or marked in the environment map, i.e. the wrong objects 36 are removed from the environment map or marked as wrong objects 36.
- the detection of false objects 36 are also referred to as ghost echoes.
- a method according to a third embodiment for determining a movement limit 38 for a movement of the vehicle doors 16 of the vehicle 10 from FIG. 1 is described below with reference to FIG.
- the method for determining a movement limit 38 for a movement of the vehicle doors 16 of the vehicle 10 is based on detecting the objects 24 in the surroundings 26 of the vehicle 10 with the ultrasonic sensors 20.
- step S200 for detecting the objects 24 in the surroundings 26 of the vehicle 10 using the method of the second embodiment described above with reference to FIG.
- Step S210 relates to detecting a pause in movement of the vehicle door 16. There is a pause in movement if the angular position ⁇ , ⁇ of the corresponding vehicle door 16 does not change for a defined period of time.
- the defined period of time can be determined independently for each vehicle door 16 and can be set individually for each vehicle door 16 .
- the movement pause is over and the movement limit 38 of the vehicle door 16 is determined again as before the movement pause with the following step S220.
- Step S220 relates to determining the movement limit 38 of the respective vehicle door 16 from its normal position based on the detected objects 24 in the surroundings 26 of the vehicle 10 without incorrect objects 36.
- the determination of the movement limit 38 for the movement of the respective vehicle door 16 takes place in the direction of movement of the vehicle door 16 away from the normal position, ie 2020PF01138
- the determination of the travel limit 38 is based on the closest object 24 in the direction of travel that is restricting movement of the corresponding vehicle door 16 in that direction.
- the movement limit 38 can be determined based on 2D positions of the detected objects 24 in the environment map.
- further parameters can be included in the determination of the movement limit 38, for example inaccuracy ranges of the positions of the detected objects 24, confidence values of the detection of the objects 24 with the ultrasonic sensors 20, an age of the detected objects 24, sensor parameters of the ultrasonic sensors 20, a detection of the objects 24 by a specific ultrasonic sensor 20 or by several of the ultrasonic sensors 20 or others.
- a hysteresis function is applied to stabilize a position of the vehicle door 16 as well as changes in the sensed position of objects 24 .
- a hysteresis angle of preferably approximately +/-3° can be used in order to stabilize the determination of the current movement limit 38.
- a method according to a fourth embodiment for determining a movement limit 38 for a movement of the vehicle doors 16 of the vehicle 10 from FIG. 1 is described below with reference to FIG.
- the method of the fourth embodiment for determining a movement limit 38 for a movement of the vehicle doors 16 of the vehicle 10 is based on a detection of the objects 24 in the surroundings 26 of the vehicle 10 with the ultrasonic sensors 20. Deviating from the method of the third embodiment, however, the The method of the fourth embodiment does not explicitly check the detected objects 24 to identify wrong objects 36 . Rather, the wrong objects 36 are taken into account directly by checking whether the new movement limit 38 is in the false detection area 34 or not when the movement limit 38 is adjusted.
- step S300 The method begins in step S300 with the detection of objects 24 in the surroundings 26 of the vehicle 10 using the ultrasonic sensors 20.
- Step S300 essentially corresponds to step S100 described above. 2020PF01138
- Step S310 relates to determining a current movement limit 38 of the vehicle door 16 based on the detected objects 24 in the surroundings 26 of the vehicle 10.
- the current movement limit 38 of the corresponding vehicle door 16 is determined in the same way as already described in step S220, in which case false objects 36 can also be taken into account for determining the current movement limit 38 of the vehicle door 16 if these false objects 36 are in the direction of movement of the vehicle door 16 closest to their normal position.
- Step S320 relates to a detection of a current position of the vehicle door 16.
- the above explanations apply in relation to the detection of the current position of the vehicle doors 16 in step S120.
- Step S330 relates to adopting the current movement limit 38 if the current movement limit 38 is not in the false detection area 34 .
- the current movement limit 38 is therefore only adopted if it is in the direction of movement of the vehicle door 16 away from the normal position in front of the vehicle door 16 .
Landscapes
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021117874.6A DE102021117874A1 (de) | 2021-07-12 | 2021-07-12 | Verfahren und Umgebungsüberwachungssystem zur Erfassung von Objekten in einer Umgebung eines Fahrzeugs sowie Verfahren zum Bestimmen einer Bewegungsgrenze für eine Bewegung einer beweglichen Komponente eines Fahrzeugs |
| PCT/EP2022/068530 WO2023285203A1 (de) | 2021-07-12 | 2022-07-05 | Verfahren und umgebungsüberwachungssystem zur erfassung von objekten in einer umgebung eines fahrzeugs sowie verfahren zum bestimmen einer bewegungsgrenze für eine bewegung einer beweglichen komponente eines fahrzeugs und türöffnungssystem oder kollisionswarnsystem für fahrzeugtüren zur durchführung des verfahrens |
Publications (1)
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| EP (1) | EP4370767A1 (de) |
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| DE102020205952A1 (de) * | 2020-05-12 | 2021-11-18 | Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg | Verfahren zum Erkennen und Klassifizieren von Objekten, Kraftfahrzeug |
| DE102023129211A1 (de) * | 2023-10-24 | 2025-04-24 | Valeo Schalter Und Sensoren Gmbh | Verfahren und Steuervorrichtung zum Bestimmen von Hindernissen in Schwenkbereichen von zwei Seitentüren eines Kraftfahrzeugs |
| DE102023130958A1 (de) * | 2023-11-08 | 2025-05-08 | Valeo Schalter Und Sensoren Gmbh | Türöffnungsschutz |
| US20250249893A1 (en) * | 2024-02-06 | 2025-08-07 | Ford Global Technologies, Llc | Object detection systems and methods |
| DE102024107917A1 (de) | 2024-03-20 | 2025-09-25 | Valeo Schalter Und Sensoren Gmbh | Verfahren zum Bestimmen einer Position einer Seitenschiebetür eines Kraftfahrzeuges unter Verwendung einer Sensoreinheit eines Umfeldsensorsystems des Kraftfahrzeuges |
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| DE102012014939A1 (de) | 2012-07-27 | 2014-01-30 | Volkswagen Aktiengesellschaft | Verfahren und Vorrichtung zur Kollisionsvermeidung |
| DE102013218571B4 (de) | 2013-09-17 | 2025-05-28 | Volkswagen Aktiengesellschaft | Vorrichtung und Verfahren zur seitlichen Umfelderfassung eines Kraftfahrzeugs |
| DE102014118318A1 (de) | 2014-12-10 | 2016-06-16 | Valeo Schalter Und Sensoren Gmbh | Verfahren zum Erfassen eines Objekts in einem Öffnungsbereich einer Tür eines Kraftfahrzeugs, Fahrerassistenzsystem sowie Kraftfahrzeug |
| RU2016121630A (ru) * | 2015-06-03 | 2017-12-06 | ФОРД ГЛОУБАЛ ТЕКНОЛОДЖИЗ, ЭлЭлСи | Строящая карту дальностей камера для внутренней стороны двери |
| US9777528B2 (en) * | 2015-07-29 | 2017-10-03 | Ford Global Technologies, Inc. | Object detection and method for vehicle door assist system |
| US20170028966A1 (en) | 2015-07-29 | 2017-02-02 | Ford Global Technologies, Llc | System and method for vehicle control based on detected door condition |
| US10151132B2 (en) * | 2016-02-29 | 2018-12-11 | Ford Global Technologies, Llc | Power Management for vehicle door system |
| CN111448358B (zh) * | 2017-12-11 | 2021-12-03 | 株式会社有信 | 车门开闭装置 |
| DE102019102624A1 (de) | 2019-02-04 | 2020-08-06 | Valeo Schalter Und Sensoren Gmbh | Erfassen einer Umgebung an einem beweglichen Fahrzeugteil angebrachten Umgebungssensor |
| DE102019121647A1 (de) * | 2019-06-04 | 2020-12-10 | Inventus Engineering Gmbh | Verfahren zum Steuern von Türbewegungen einer Tür eines Kraftfahrzeugs und Kraftfahrzeugkomponente |
| DE102019218153A1 (de) * | 2019-11-25 | 2021-05-27 | Brose Fahrzeugteile Se & Co. Kommanditgesellschaft, Bamberg | Verstellvorrichtung zur Verstellung eines Türelements unter Berücksichtigung einer Orientierung einer Scharnierachse des Türelements |
| US11866983B2 (en) * | 2020-02-26 | 2024-01-09 | Magna Electronics Inc. | Radar scanning system for static obstacle detection for power door movement |
| GB2593924B (en) * | 2020-04-09 | 2024-05-22 | Jaguar Land Rover Ltd | Control system for a vehicle |
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| WO2023285203A1 (de) | 2023-01-19 |
| DE102021117874A1 (de) | 2023-01-12 |
| KR102919029B1 (ko) | 2026-01-27 |
| KR20240032124A (ko) | 2024-03-08 |
| US20240301738A1 (en) | 2024-09-12 |
| CN117716106A (zh) | 2024-03-15 |
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