EP3607546A1 - Dispositif de contrôle actif de l'isolation phonique dans l'habitacle d'un véhicule autonome - Google Patents
Dispositif de contrôle actif de l'isolation phonique dans l'habitacle d'un véhicule autonomeInfo
- Publication number
- EP3607546A1 EP3607546A1 EP18720766.7A EP18720766A EP3607546A1 EP 3607546 A1 EP3607546 A1 EP 3607546A1 EP 18720766 A EP18720766 A EP 18720766A EP 3607546 A1 EP3607546 A1 EP 3607546A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sound signals
- vehicle
- driving phase
- control means
- during
- 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.)
- Granted
Links
- 238000009413 insulation Methods 0.000 title claims description 11
- 230000005236 sound signal Effects 0.000 claims abstract description 92
- 230000007704 transition Effects 0.000 claims description 18
- 238000009792 diffusion process Methods 0.000 claims description 8
- 230000007423 decrease Effects 0.000 claims description 6
- 230000009849 deactivation Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000029305 taxis Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
- G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/128—Vehicles
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
- G10K2210/10—Applications
- G10K2210/128—Vehicles
- G10K2210/1282—Automobiles
Definitions
- the invention relates to self-driving vehicles, possibly of automobile type, and more specifically the control of audible sounds in the interiors of such vehicles.
- Vehicles with autonomous driving (or more simply autonomous vehicles), generally of automobile type, include a device of assistance charged to drive them without their driver acting on their steering wheel. Some of them may be driven by their driver during a manual driving phase, or completely independently during an autonomous driving phase, and there is a transition phase between an autonomous driving phase and a driving phase. manual driving.
- an autonomous driving phase it is the assistance device that fully manages the driving, whether or not there is a driver in the vehicle.
- the driver regains full control of the driving after the vehicle has been subjected to solicitations (for example, visual or audible), and therefore the assistance device stops controlling the vehicle. vehicle.
- the assistance device takes control of the driving and therefore the driver stops controlling the vehicle, depending on the level of automation.
- the purpose of the invention is in particular to improve the situation.
- a control device for equipping a vehicle capable of being driven by a driver during a manual driving phase, and comprising a passenger compartment equipped with at least one loudspeaker adapted to broadcast sound signals and a assistance device capable of driving it completely autonomously during an autonomous driving phase.
- acquisition means adapted to be secured to the vehicle and to record first sound signals present in the external environment of the vehicle
- control device may comprise other features that can be taken separately or in combination, including:
- control means may be clean, at the beginning of an autonomous driving phase, to progressively increase an amplitude of the second determined sound signals to an amplitude substantially equal to an amplitude of the first sound signals recorded in the external environment of the vehicle;
- its control means may be clean during a transition phase between an autonomous driving phase and a manual driving phase, to stop generating second sound signals;
- its control means can be clean during a transition phase between an autonomous driving phase and a manual driving phase, to progressively reduce an amplitude of the second determined sound signals until at a zero amplitude, so that their diffusion gradually makes audible in the cabin the first sound signals; its control means can be adapted to apply a progressivity of the amplitude decrease which has been parameterized by a user of the vehicle;
- its control means can be clean, after canceling the amplitude of the second determined sound signals, to progressively increase the amplitude of the first recorded sound signals to a predefined value, so that these first amplified sound signals are diffused from the top in the passenger compartment;
- its control means can be clean during a transition phase between an autonomous driving phase and a manual driving phase, to trigger the diffusion by the loudspeaker of at least one predefined warning signal in the passenger compartment ;
- Its control means may be clean during an autonomous driving phase to stop generating second sound signals in the event of receipt of a sound insulation stop command provided by a passenger of the vehicle; - Its control means may be able to no longer generate second sound signals when receiving a sound insulation deactivation command provided by a passenger of the vehicle.
- the invention also proposes a vehicle, possibly of automotive type, suitable for being driven by a driver during a manual driving phase, and comprising a passenger compartment equipped with at least one loudspeaker capable of diffusing sound signals and a device for assistance to drive it completely autonomously during an autonomous driving phase.
- This vehicle is characterized by the fact that it comprises a control device of the type of that presented above.
- FIG. 1 schematically and functionally illustrates an example of a vehicle comprising an assistance device for autonomous driving and an embodiment of a control device according to the invention
- FIG. 2 schematically illustrates, in a diagram, the temporal evolutions (t) of the amplitudes (Asj) of an example of first sound signals (S1) recorded outside a vehicle, of second sound signals (S2 ) determined by a control device according to the invention from these first recorded sound signals (S1), and third sound signals (S3) heard in the passenger compartment of this vehicle in the presence of the first (S1) and second (S2) ) sound signals, and
- the object of the invention is notably to propose a DC control device intended to equip a self-driving VA vehicle in order to actively control the sound insulation in the passenger compartment H of the latter (VA).
- autonomous driving vehicle means a vehicle that includes a DA assistance device responsible for driving it without a passenger acting on the steering wheel, and that can be activated or deactivated (at least partially) to allow a driver to drive it during a manual pcm driving phase.
- such a vehicle can be chosen by a driver during a manual driving phase pcm, completely autonomously during a pca autonomous driving phase (under the control of its DA assistance device), and autonomously then manual during a pt transition phase occurring between an autonomous driving phase pca and a manual driving phase pcm (relaying the DA assistance device to the driver).
- the assistance device DA ensures the control of the autonomous vehicle VA based in particular on information relating to the external environment of the autonomous vehicle VA and provided at least by means of analysis of the external environment embedded in the latter. (GOES). To do this, the assistance device DA continuously determines the optimum trajectory of the autonomous vehicle VA in the context of automated driving, and during each autonomous driving phase pca, it controls the steering wheel angle and the speed of the autonomous vehicle VA so that the latter (VA) follows at best the determined optimal trajectory.
- GOES analysis of the external environment embedded in the latter.
- the autonomous vehicle VA is automotive type. This is for example a car. But the invention is not limited to this type of vehicle. It concerns in fact any type of self-driving vehicle, and therefore not only land vehicles, but also maritime (or fluvial) vehicles, such as river taxis, and aircraft.
- FIG. 1 schematically and functionally shows a VA autonomous vehicle comprising a cockpit H equipped with at least one loudspeaker HP (here two) suitable for broadcasting sound signals, a DA assistance device, responsible for driving it without a driver acting on the steering wheel, and an exemplary embodiment of a DC control device according to the invention.
- a control device DC comprises at least acquisition means MA and control means MC.
- control means MC are part of a computer C1, which possibly provides at least one other function within the (autonomous) vehicle VA, and which is preferably connected to the communication network of the vehicle VA (possibly multiplexed type and allowing the exchange of information between onboard electronic equipment). But this is not obligatory.
- the DC control device could include its own computer including its control means MC and connected to the possible communication network of the vehicle VA.
- control means MC can be made in the form of software modules (or "software") or a combination of circuits or electronic components (or “hardware”) and software modules.
- the acquisition means MA are adapted to be secured to the vehicle VA, outside its passenger compartment H. These acquisition means MA are able to record first sound signals S1 present in the external environment of the vehicle VA.
- they may, for example, include at least one microphone.
- they can, for example, install respectively on two lateral sides of the vehicle and / or one at the front of the vehicle and one at the rear of the vehicle.
- each microphone can be installed in a bumper (or shield) or an outside mirror.
- the recording is done by digital sampling.
- the acquisition means MA transmit them "on the fly” (or in real time) to the control means MC, possibly via the communication network of the vehicle VA.
- the control means MC are clean, during an autonomous driving phase pca, to generate second sound signals S2 in phase opposition with the first recorded S1 sound signals. Then, they provide at least one speaker HP present in the cabin H of the vehicle VA these second sound signals S2 determined so that their diffusion induces in the cabin H at least partial cancellation of the first sound signals S1 present at the outside and normally audible passengers in the absence of these second sound signals S2.
- control means MC construct, during an autonomous driving phase pca, second sound signals S2 whose combination (or superposition) with the first sound signals S1 results in third sound signals S3 whose amplitude As3 is almost flat in time (t) and close to zero (0), as illustrated schematically in the illustrative example of FIG. 2.
- This effect of at least partial cancellation of the first sound signals S1 results from the fact that the signals Sounds are pressure waves, and thus the combination (or superimposition) of two pressure waves in perfect opposition of phase and with similar amplitudes induces opposite and thus canceling pressures. It is indeed recalled that when two waves are in phase opposition, the maximum of one coincides temporally with the minimum of the other and vice versa, so that these two waves cancel each other out.
- This wave mechanism allowing sound insulation in the cabin H vis-à-vis the environment outside the vehicle VA, is illustrated in Figure 2.
- the passengers of the vehicle VA find themselves in the quiet because they are not bothered by the first sound signals S1, which allows them to enjoy the full benefits they confer .
- control means MC may be clean, at the beginning of an autonomous driving phase pca to gradually increase the amplitude of the second sound signals S2 determined up to an amplitude As2 substantially equal to the amplitude Asi of the first signals S1 sound recorded in the external environment of the vehicle VA. This allows to gradually introduce the calm in the passenger compartment H, rather than impose this calm suddenly (when the amplitude As2 of the second determined sound signals S2 is immediately substantially equal to the amplitude Asi of the first recorded sound signals S1, which is a possible alternative).
- control means MC may be able to apply a progressivity of the amplitude increase As2 (of the second sound signals S2) which has been previously parameterized by a user of the vehicle VA.
- the progressiveness can, for example, be parameterized in terms of the duration to tend towards a maximum amplitude As2 (and thus towards a minimum amplitude As3) and / or the profile of the increase (for example linear or in x n (with n> 2) or exponential).
- control means MC can be informed by the assistance device DA of the driving phase in which their vehicle VA is at the moment considered (pca, pt or pcm), or via a direct connection between the computer C1 and the assistance device DA, either indirectly via another computer and / or the possible communication network of the vehicle VA.
- At least two modes of operation can be envisaged during the transition phases pt between an autonomous driving phase pca and a manual driving phase pcm.
- control means MC may be clean, during a transition phase pt between an autonomous driving phase pca and a manual driving phase pcm, to stop generating second sound signals S2.
- control means MC in this first mode of operation, as soon as the control means MC are informed of the beginning of such a transition phase pt, they immediately stop generating (and therefore determining) second sound signals S2, so that the passengers of the vehicle VA hear normally and immediately the first sound signals S1 present in the external environment of the vehicle VA. The driver is therefore immediately reintegrated into the road environment (which may have completely changed from the one that prevailed at the beginning of the pca self-driving phase that has just ended), from the beginning of the transition phase pt.
- the control means MC may be clean, during a transition phase pt between an autonomous driving phase pca and a manual driving phase pcm, to gradually decrease the amplitude of the second determined sound signals S2 until at a zero amplitude, so that their diffusion makes progressively audible in the passenger compartment H the first sound signals S1 present in the external environment of the vehicle VA.
- the driver is thus gradually reintegrated into the road environment (which may have completely changed from the one that prevailed at the beginning of the pca self-driving phase that just ended), during the transition phase pt so that he can manage better the recovery of the control of his vehicle VA without being surprised by events of the road.
- the third sound signals S3, resulting from the superimposition of the first S1 and second S2 sound signals have a waveform that is substantially identical to that of the first sound signals S1 while having an amplitude As3 which increases progressively until reaching a slightly smaller amplitude than that of the first sound signals S1 (since S3 is measured in the passenger compartment H while S1 is measured outside the interior H).
- control means MC may be suitable for applying a progressivity of the amplitude reduction As2 (of the second sound signals S2) which has been previously parameterized by a user of the vehicle VA.
- the progressivity can, for example, be parameterized in terms of duration to tend towards a minimum amplitude As2 (and thus towards a maximum amplitude As3) and / or the profile of the decrease (for example linear or in x n (with n> 2) or exponential). This is only a non-limiting example of implementation, because many other possibilities of parameterization can be envisaged.
- control means MC are clean, during a manual driving phase pcm, of not generating second sound signals S2, so that the driver normally hears the first sound signals S1 present in the external environment of the vehicle VA. .
- This non-intervention situation is illustrated in the left-hand part of the diagram of FIG. 3. It can be seen that the third sound signals S3 heard by the passengers of the vehicle VA result solely from the first sound signals S1 present in the external environment of the vehicle. GOES. Their waveform is identical to that of the first sound signals S1, whereas their amplitude As3 is slightly less than the amplitude Asi of the first external sound signals S1 because of the passive sound insulation of the passenger compartment H conferred by its construction. For sound insulation during a manual driving phase, it is possible to consider using a threshold that should not be exceeded.
- control means MC may be clean, after canceling the amplitude As2 of the second determined sound signals S2, to progressively increase the amplitude of the first recorded sound signals S1 to a predefined value, in order to generate first amplified sound signals that are broadcast by the (each) speaker HP in the passenger compartment H.
- the control means MC will broadcast in the passenger compartment H first sound signals S1 'whose shape wave is identical to that of the first sound signals S1 recorded in the external environment of the vehicle VA, to enhance the amplitude of the first sound signals S1 heard in the passenger compartment H.
- the driver is then, in a way, immersed very temporarily in the road environment almost as if he were outside his vehicle VA, to enable him to become even more aware of the latter r.
- control means MC may be clean, during a transition phase pt between a driving phase autonomous pca and a pcm manual driving phase, to trigger the diffusion (by the HP speaker) of at least one predefined warning signal in the cockpit H.
- This alert signal is intended to alert the driver since the assistance device DA will restore control of the vehicle VA and the possible existence of a detected danger in the external environment (such as an overtaking by another vehicle or the presence of a cyclist or pedestrian in the immediate vicinity). It can be a dedicated melody (or sound) or a synthesized voice message (for example reminding the driver of the actions he or she must take and / or a detected danger).
- control means MC can be clean, during an autonomous driving phase pca, to stop generating (and therefore to determine) second sound signals S2 when receiving an isolation shutdown command.
- active voice supplied by a passenger of the vehicle VA, via a man / machine interface.
- This option is intended to ask the DC control device to temporarily stop canceling the first sound signals S1 for the current autonomous driving phase pca.
- the supply of the command can be done by selecting an option from a menu displayed on a screen of the vehicle VA (for example forming part of the central handset) or by pressing on a control member or by the pronunciation of an expression dedicated (such as "soundproofing stop").
- control means MC may be able to no longer generate (and therefore no longer determine) second sound signals S2 when receiving an active soundproofing deactivation command supplied by a passenger of the vehicle VA. .
- This option is intended to ask the DC control device to permanently stop actively controlling the first sound signals S1 regardless of the driving phase considered.
- the supply of the command can be done by selecting an option from a menu displayed on a screen of the vehicle VA (for example forming part of the central handset) or by pressing on a control member or by the pronunciation of an expression dedicated (such as "sound insulation deactivation").
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1752910A FR3064806B1 (fr) | 2017-04-04 | 2017-04-04 | Dispositif de controle actif de l’isolation phonique dans l’habitacle d’un vehicule autonome |
PCT/FR2018/050716 WO2018185395A1 (fr) | 2017-04-04 | 2018-03-23 | Dispositif de contrôle actif de l'isolation phonique dans l'habitacle d'un véhicule autonome |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3607546A1 true EP3607546A1 (fr) | 2020-02-12 |
EP3607546B1 EP3607546B1 (fr) | 2023-09-06 |
Family
ID=59070852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP18720766.7A Active EP3607546B1 (fr) | 2017-04-04 | 2018-03-23 | Dispositif de contrôle actif de l'isolation phonique dans l'habitacle d'un véhicule autonome |
Country Status (5)
Country | Link |
---|---|
US (1) | US10902836B2 (fr) |
EP (1) | EP3607546B1 (fr) |
CN (1) | CN110476205B (fr) |
FR (1) | FR3064806B1 (fr) |
WO (1) | WO2018185395A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102020102304A1 (de) * | 2020-01-30 | 2021-08-05 | Webasto SE | Dachmodul mit Dachhaut |
CN113470606A (zh) * | 2020-03-30 | 2021-10-01 | 上海擎感智能科技有限公司 | 车内主动降噪的实现方法、系统、介质及装置 |
JP7347368B2 (ja) | 2020-08-20 | 2023-09-20 | トヨタ自動車株式会社 | 情報処理装置、情報処理方法、及び情報処理プログラム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4314212B2 (ja) * | 2005-05-30 | 2009-08-12 | 本田技研工業株式会社 | 車両用能動型騒音・振動・効果音発生制御システム及び該システムが搭載された車両 |
WO2007063467A2 (fr) * | 2005-11-30 | 2007-06-07 | Koninklijke Philips Electronics N.V. | Systeme et procede de reduction de bruit |
US20100172510A1 (en) * | 2009-01-02 | 2010-07-08 | Nokia Corporation | Adaptive noise cancelling |
US20120230504A1 (en) * | 2009-09-10 | 2012-09-13 | Pioneer Corporation | Noise-reduction device |
US8542844B2 (en) * | 2011-04-07 | 2013-09-24 | Visteon Global Technologies, Inc. | Sound modification system and method |
US9293135B2 (en) * | 2013-07-02 | 2016-03-22 | Volkswagen Ag | Countermeasures for voice recognition deterioration due to exterior noise from passing vehicles |
US9230531B2 (en) * | 2013-07-29 | 2016-01-05 | GM Global Technology Operations LLC | Road noise masking in a vehicle |
JP2015217798A (ja) * | 2014-05-16 | 2015-12-07 | 三菱電機株式会社 | 車載情報表示制御装置 |
US20180190258A1 (en) * | 2016-12-30 | 2018-07-05 | Qualcomm Incorporated | Adaptations for active noise cancellation inside a vehicle |
US10133270B2 (en) * | 2017-03-28 | 2018-11-20 | Toyota Research Institute, Inc. | Electronic control units, vehicles, and methods for switching vehicle control from an autonomous driving mode |
-
2017
- 2017-04-04 FR FR1752910A patent/FR3064806B1/fr active Active
-
2018
- 2018-03-23 WO PCT/FR2018/050716 patent/WO2018185395A1/fr unknown
- 2018-03-23 US US16/500,026 patent/US10902836B2/en active Active
- 2018-03-23 EP EP18720766.7A patent/EP3607546B1/fr active Active
- 2018-03-23 CN CN201880023315.4A patent/CN110476205B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
WO2018185395A1 (fr) | 2018-10-11 |
FR3064806B1 (fr) | 2019-09-27 |
FR3064806A1 (fr) | 2018-10-05 |
CN110476205A (zh) | 2019-11-19 |
EP3607546B1 (fr) | 2023-09-06 |
US20200168200A1 (en) | 2020-05-28 |
CN110476205B (zh) | 2023-07-25 |
US10902836B2 (en) | 2021-01-26 |
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