WO2022258236A1 - Einrichtung zur erzeugung eines durch einen benutzer eines fahrzeugs haptisch wahrnehmbaren signals - Google Patents
Einrichtung zur erzeugung eines durch einen benutzer eines fahrzeugs haptisch wahrnehmbaren signals Download PDFInfo
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- WO2022258236A1 WO2022258236A1 PCT/EP2022/055874 EP2022055874W WO2022258236A1 WO 2022258236 A1 WO2022258236 A1 WO 2022258236A1 EP 2022055874 W EP2022055874 W EP 2022055874W WO 2022258236 A1 WO2022258236 A1 WO 2022258236A1
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W50/16—Tactile feedback to the driver, e.g. vibration or force feedback to the driver on the steering wheel or the accelerator pedal
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- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
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Definitions
- the present invention relates to a device for generating a signal that can be haptically perceived by a user of a vehicle, a system that has the device and an external device, and a vehicle that has the device or the system.
- Known devices of this type for generating a signal that can be perceived haptically by a user of a vehicle have, for example, an actuator for generating the haptic signal that can be perceived by the user of the vehicle and are coupled, for example, to an external device which, when a predefined condition occurs, sends a trigger signal to the Device sends, and the actuator generates the haptically perceptible signal upon receipt of the trigger signal.
- a device for generating a signal that can be haptically perceived by a user of a vehicle has: a control device that is set up to communicate with an external device and to receive a triggering signal from the external device, a technical device for the vehicle with at least one actuator for generating the haptically perceptible signal by the user of the vehicle, and a memory device in which several different patterns for controlling the at least one actuator depending on user-specific data and/or data relating to an environment of the technical device is stored, the control device being set up to refer to one of the patterns stored in the storage device as a function of a specific user and/or by means of at least one detection device to select an environment of the technical device, and to drive the at least one actuator according to the selected pattern when it receives the trigger signal from the external device.
- the signal perceivable by the user can be adapted, for example, to different environmental conditions, different preferences and different user characteristics. In this way, it can be prevented that the user fails to perceive a signal that is too weak and/or too short that can be haptically perceived, which could possibly lead to dangerous situations by further distracting the driver. Furthermore, the user can set a specific pattern of the haptically perceptible signal according to his preferences, as a result of which increased user comfort can be achieved.
- the at least one capture device is designed as an image capture device that is set up to capture an image of the area surrounding the technical device, and the control device is set up to select the pattern based on the image of the area surrounding the technical device.
- the image capture device is set up to capture an image of the user, the control device being set up to determine a degree of distraction of the user based on the image of the user, in the memory device several different patterns for driving the actuator as a function of a degree of distraction of the user are stored, and the control device is set up to select the pattern according to the determined degree of distraction.
- control device can be set up, for example, to determine the user's eyes, for example using image recognition software, to determine a viewing angle of the user based thereon, and to determine the degree of distraction based on the viewing angle.
- a strong haptically perceptible signal can be generated when the degree of distraction is high, or a weak haptically perceptible signal can be generated when the degree of distraction is low.
- the image capturing device is set up to capture an image of a roadway in front of the vehicle, the control device being set up to determine a condition of the roadway based on the image of the roadway, in particular to determine whether the roadway smooth or uneven, and select the pattern depending on the determined road surface condition.
- a strong haptic signal can be generated if it is determined that the roadway is uneven, or a weak haptic signal can be generated if it is determined that the roadway is level.
- the recording/determination of the roadway and its condition can also be carried out, for example, with the image recognition software.
- the control device is set up to recognize a pothole in front of the vehicle based on the image of the roadway and only to activate the at least one actuator according to the selected pattern when the vehicle has passed the pothole.
- the pothole can also be recognized, for example, with the image recognition software.
- the at least one detection device has a device for determining a current position of the vehicle, in particular a GPS device, and a storage device in which position data of courses of roadways and their properties are stored, the control device being set up to based on the current position of the vehicle located in front of the vehicle, in particular located directly in front of the vehicle, to determine a section of a roadway currently being driven on by the vehicle and its condition, and to select the pattern based on the determined condition.
- a strong haptic signal can be generated if it is determined that the section of the road is uneven, or a weak haptic signal can be generated if it is determined that the section of the road is level.
- the user-specific data contain an age of the user, the control device being set up to select the pattern depending on the age.
- a strength and/or length of the haptically perceptible signal can increase with increasing age, for example.
- the multiple patterns for controlling the at least one actuator contain multiple frequencies for controlling the at least one actuator and/or multiple amplitudes for controlling the at least one actuator and/or multiple time delays, which determine the time after which the control device spans after reception of the trigger signal drives the at least one actuator according to the selected pattern.
- the device also has a communication device that is set up to communicate with an external communication device in order to retrieve external user-specific data stored in the external communication device and store it as the user-specific data in the storage device.
- the external communication device can be in the form of a smartphone or tablet, for example.
- the technical device is designed as a seat for the vehicle, as a display unit for the vehicle, as an operating element for the vehicle, as a steering wheel for the vehicle, or as a seat belt for the vehicle.
- the at least one actuator is designed as a motor with an eccentric rotating mass, as an electromagnetic actuator, in particular a linear resonance actuator, as a piezo actuator, as an electroactive polymer, as a shape memory alloy, or as a shape memory polymer, or is set up to To change the coefficient of friction between a touch screen of a technical device designed as a display unit and a user's finger by changing a surface structure of the touch screen.
- a system for generating a signal that can be haptically perceived by a user of a vehicle has a device, as described above, for generating a signal that can be haptically perceived by a user of a vehicle, and an external device.
- the external device is designed as a lane departure warning system and set up to detect when the vehicle leaves the lane and to send the trigger signal to the device for generating a haptically perceptible signal by a user of a vehicle when the lane departure warning system recognizes that the vehicle leaves the lane.
- the technical device is designed as a seat for the vehicle, as a steering wheel for the vehicle, or as a seat belt for the vehicle and has a first and a second actuator, with the lane departure warning system being set up to recognize whether the vehicle is leaving the lane to the left or to the right, and depending on whether the vehicle is leaving the lane to the left or to the right, to output a trigger signal for activating the first actuator or a trigger signal for activating the second actuator.
- the first actuator can be provided, for example, on a left-hand side in the direction of travel, and the second actuator on a right-hand side, with the haptically perceptible signal being generated by the first actuator when the vehicle leaves the lane in a left-hand direction, and that haptically perceptible signal is generated by the second actuator when the vehicle leaves the lane in a right direction.
- the external device is embodied as a navigation system
- the technical device being embodied as a seat for the vehicle, a steering wheel for the vehicle, or a seat belt for the vehicle and having a first and a second actuator, and setting up the navigation system for this purpose is, depending on whether the vehicle or its driver should turn left or right as part of a route guidance, a trigger signal to control the first actuator or output a trigger signal to control the second actuator.
- the first actuator can be provided, for example, on a left-hand side in the direction of travel, and the second actuator on a right-hand side, with the haptically perceptible signal being generated by the first actuator when the vehicle or its driver is to turn left, and that haptically perceptible signal is generated by the second actuator when the vehicle or its driver is to turn to the right.
- the external device is designed as a collision assistant, which is set up to recognize an impending collision with a vehicle driving ahead, the technical device being designed as a steering wheel for the vehicle or as a seat belt for the vehicle, and the collision assistant for this purpose is set up, in the event of an imminent collision with a vehicle driving ahead, to output a trigger signal for activating the at least one actuator in order to generate a vibration in the steering wheel or to tighten the seat belt.
- a vehicle in particular an electric or hybrid vehicle, has a device as described above for generating a signal that a user of a vehicle can perceive haptically or a system as described above for generating a signal that can be perceived haptically by a user of a vehicle.
- 1 shows a system for generating a signal that can be haptically perceived by a user of a vehicle, according to an embodiment.
- 1 shows a system 400 for generating a haptic signal perceptible by a user of a vehicle according to an embodiment.
- the system 400 has a device 100 for generating a signal that can be haptically perceived by a user of a vehicle according to one embodiment, an external device 200, which can be used, for example, as a lane departure warning system or as a navigation system or as a collision assistant or as another technical device provided in a vehicle , which is set up to give the user situation-related, in particular driving situation-related, information through an audio output and/or a visual output, and an external communication device 300, which is designed as a smartphone or tablet, for example.
- an external device 200 which can be used, for example, as a lane departure warning system or as a navigation system or as a collision assistant or as another technical device provided in a vehicle , which is set up to give the user situation-related, in particular driving situation-related, information through an audio output and/or a visual output
- an external communication device 300 which is designed as a smartphone or tablet, for example.
- the device 100 has a control device 10 which is set up to communicate with the external device 200 and to receive a triggering signal from the external device 200 .
- the device 100 also has a technical device 20 for the vehicle, which is designed, for example, as a seat for the vehicle, as a display unit for the vehicle, as an operating element for the vehicle, as a steering wheel for the vehicle, or as a seat belt for the vehicle. and which has at least one actuator 21-1, 21-2, in the present case a first actuator 21-1 and a second actuator 21-2, for generating the signal that can be haptically perceived by the user of the vehicle.
- the at least one actuator 21-1, 21-2 can be designed, for example, as a motor with an eccentric rotating mass, as an electromagnetic actuator, in particular a linear resonance actuator, as a piezoelectric actuator, as an electroactive polymer, as a shape memory alloy, or as a shape memory polymer be, or be set up to change a coefficient of friction between a touch screen of a technical device designed as a display unit and a user's finger by changing a surface structure of the touch screen.
- device 100 has a memory device 30 in which several different patterns for controlling the at least one actuator 21-1, 21-2 in Depending on user-specific data and / or data related to an environment of the technical device 20 are stored.
- the multiple patterns for controlling the at least one actuator 21-1, 21-2 can include multiple frequencies for controlling the at least one actuator 21-2, 21-2 and/or multiple amplitudes for controlling the at least one actuator 21-2, 21 -2 and/or contain a plurality of time delays, which determine the period after which the control device 10 controls the at least actuator 21-2, 21-2 in accordance with the selected pattern after receiving the trigger signal.
- Control device 10 is set up to detect one of the patterns stored in memory device 30 as a function of a specific user and/or by means of at least one detection device 40, which may be part of device 100 or a part of system 400 that is external to device 100 To select data relating to an environment of the technical device 20 and to control the at least one actuator 21 - 1 , 21 - 2 according to the selected pattern when it receives the trigger signal from the external device 200 .
- the at least one capturing device 40 can be embodied as an image capturing device, for example a camera, which is set up to capture an image of the area surrounding the technical device 20 .
- the control device 10 is set up to select the pattern based on the image of the environment surrounding the technical device 20 .
- the image capturing device can be set up to capture an image of the user, with the control device 10 being set up to do this based on the image of the user, in particular the eyes or their viewing direction or viewing angle, using a data stored in the storage device 30 Image recognition software to determine a user's degree of distraction.
- Image recognition software to determine a user's degree of distraction.
- several different patterns for controlling the actuator 21-1, 21-2 depending on the degree of distraction of the user are stored in the memory device 30, and the control device 10 is set up to select the pattern according to the determined degree of distraction.
- the image capturing device can be set up to capture an image of a lane in front of the vehicle, with the control device 10 being set up to determine a condition of the lane based on the image of the lane, for example using the image recognition software. and to select the pattern depending on the determined condition of the road surface.
- control device 10 can be set up to recognize a pothole in front of the vehicle based on the image of the road, for example using the image recognition software, and to first activate the at least one actuator 21 - 1 , 21 - 2 according to the selected pattern when the vehicle has passed the pothole.
- the at least one detection device 40 can additionally or alternatively have a device for determining a current position of the vehicle, in particular a GPS device, and a storage device in which position data for courses of roadways and their properties are stored.
- the control device 10 is set up to determine, based on the current position of the vehicle, a section of a roadway currently being traveled on by the vehicle and its condition, located in front of the vehicle, in particular immediately in front of the vehicle, and the pattern to be selected based on the determined condition.
- a strong haptic signal can be generated if it is determined that the section of the road is uneven, or a weak haptic signal can be generated if it is determined that the section the road is level.
- the user-specific data stored in the memory device 30 can contain an age of the user, for example.
- the control device 10 is set up to select the pattern depending on the age.
- the device 100 can also have a communication device 50 which is set up to communicate with the external communication device 300 communicate to retrieve external user-specific data stored in the external communication device 50 and store it in the storage device 30 as the user-specific data.
- a communication device 50 which is set up to communicate with the external communication device 300 communicate to retrieve external user-specific data stored in the external communication device 50 and store it in the storage device 30 as the user-specific data.
- the external device 200 designed as a lane departure warning system can be set up to detect when the vehicle is leaving the lane and to send the triggering signal to the device when the lane departure warning system detects that the vehicle is leaving the lane.
- the technical device 20 can be designed as a seat for the vehicle, as a steering wheel for the vehicle, or as a seat belt for the vehicle and has a first and a second actuator 21-1, 21-2, with the lane departure warning system being included is set up to detect whether the vehicle is leaving the lane to the left or to the right, and depending on whether the vehicle is leaving the lane to the left or to the right, a trigger signal for controlling the first actuator 21 -1 or to output a trigger sesignal for controlling the second actuator 21-2.
- the technical device 20 can be formed as a seat for the vehicle, a steering wheel for the vehicle, or a seat belt for the vehicle and a first and a second Have actuators 21-1, 21-2, wherein the navigation system is set up to, depending on whether the vehicle is to turn left or right as part of a route guidance, a trigger sesignal for controlling the first actuator 21-1 or Output a trigger signal for driving the second actuator 21-2.
- technical device 20 can be designed, for example, as a steering wheel for the vehicle or as a seat belt for the vehicle , wherein the collision assistant is set up to output a trigger signal for activating the at least one actuator 21-1, 21-2 in the event of an imminent collision with a vehicle driving ahead, in order to generate a vibration in the steering wheel and/or to tighten the seat belt.
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- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Description
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Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202280037003.5A CN117377609A (zh) | 2021-06-07 | 2022-03-08 | 用于产生能由车辆用户触觉感知的信号的装置 |
| US18/563,339 US12576872B2 (en) | 2021-06-07 | 2022-03-08 | Device for producing a signal which can be haptically perceived by a user of a vehicle |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021114523.6A DE102021114523A1 (de) | 2021-06-07 | 2021-06-07 | Einrichtung zur erzeugung eines durch einen benutzer eines fahrzeugs haptisch wahrnehmbaren signals |
| DE102021114523.6 | 2021-06-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2022258236A1 true WO2022258236A1 (de) | 2022-12-15 |
Family
ID=80979102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2022/055874 Ceased WO2022258236A1 (de) | 2021-06-07 | 2022-03-08 | Einrichtung zur erzeugung eines durch einen benutzer eines fahrzeugs haptisch wahrnehmbaren signals |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12576872B2 (de) |
| CN (1) | CN117377609A (de) |
| DE (1) | DE102021114523A1 (de) |
| WO (1) | WO2022258236A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4703173A1 (de) * | 2024-08-27 | 2026-03-04 | Volvo Car Corporation | Verfahren zum steuern einer benutzereingabevorrichtung für ein fahrzeug, datenverarbeitungsvorrichtung, computerprogramm, computerlesbares speichermedium, benutzereingabesystem für ein fahrzeug und fahrzeug |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE102021114523A1 (de) | 2022-12-08 |
| CN117377609A (zh) | 2024-01-09 |
| US12576872B2 (en) | 2026-03-17 |
| US20240217537A1 (en) | 2024-07-04 |
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