WO2017099468A1 - Dispositif de génération et d'ajustement de son de moteur/sont d'échappement de moteur électrique - Google Patents

Dispositif de génération et d'ajustement de son de moteur/sont d'échappement de moteur électrique Download PDF

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Publication number
WO2017099468A1
WO2017099468A1 PCT/KR2016/014295 KR2016014295W WO2017099468A1 WO 2017099468 A1 WO2017099468 A1 WO 2017099468A1 KR 2016014295 W KR2016014295 W KR 2016014295W WO 2017099468 A1 WO2017099468 A1 WO 2017099468A1
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WIPO (PCT)
Prior art keywords
sound
exhaust
engine
motor
engine sound
Prior art date
Application number
PCT/KR2016/014295
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English (en)
Korean (ko)
Inventor
김성진
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김성진
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Publication date
Application filed by 김성진 filed Critical 김성진
Publication of WO2017099468A1 publication Critical patent/WO2017099468A1/fr

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    • 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
    • G10K15/00—Acoustics not otherwise provided for
    • G10K15/04—Sound-producing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices

Definitions

  • the present invention relates to an engine sound / exhaust sound generation and tuning device, and more particularly, to an engine sound / exhaust sound generation and tuning device of an electric motor for generating sound in association with a virtual engine sound / exhaust sound by detecting a control signal of an electric motor. .
  • Vehicles driven by internal combustion engines such as existing cars, engine bicycles, or scooters require idling even when stationary and generate considerable noise during operation.
  • Some models offer the ability to reduce oil consumption by stopping the engine after a certain amount of time after braking.
  • an electrically driven motor rotates or stops by a driver's operation.
  • the electric wheelchair is a motor-driven structure only by the rechargeable battery, which is used at low speeds, but may cause a slight collision when approaching from behind a pedestrian or not seen.
  • the moving means using an electric motor as a power source is similar to the sound of an engine. It is configured to make it happen.
  • the conventional method is configured to detect the speed (or RPM) and the value of the instrument panel generated when the motor is rotated and the motor moves, and the engine sound / exhaust sound is generated using the detected value. Therefore, it is configured to detect the speed (or RPM) and the numerical value of the instrument panel in the driven motor, and to be generated to correspond to the detected numerical value and the engine sound has a problem indicating the configuration complexity to implement this.
  • the present invention has been made to solve the above problems, the motor sound of the electric motor that can simplify the configuration by generating a sound in conjunction with the virtual engine sound / exhaust sound by detecting the PWM method which is a control signal of the motor Its purpose is to provide exhaust sound generation and tuning devices.
  • a control unit for outputting a drive signal to the steering processing unit and the drive processing unit based on a control signal input through an external interface, Generates a sound corresponding to the movement of the motor in conjunction with the pre-stored virtual engine sound and exhaust sound, by detecting the drive control signal of the PWM method transmitted from the external interface to the control unit and predicting the motion information of the motor. It consists of including wealth.
  • the sound generating unit generates a slice waveform obtained by cutting the frequency of the pulse shape of the input driving control signal at regular intervals according to time zones, and sets the predicted movement of the motor for each slice waveform generated, and the input unit.
  • the engine sound and the exhaust sound which are matched with each other among the engine sound and the exhaust sound pre-stored in the engine sound and exhaust sound information DB are respectively detected.
  • a matching processing unit for combining and converting a digital sound source by the engine sound and the exhaust sound combined for each slice waveform in the matching processing unit into a smooth sound source form, and then decoding the analog sound source and outputting it to the following output unit.
  • Codec, engine sound and exhaust converted by the D / A codec The is characterized in that comprises an output section for outputting to the outside through the speaker or the like.
  • the input signal processor detects a frequency magnitude in the form of a pulse of an input driving control signal, and predicts a motion of the motor based on a predetermined movement of the motor for each frequency magnitude.
  • the engine sound / exhaust sound information DB is characterized in that the engine sound / exhaust sound data stored in advance is separated and stored at the same interval as the time interval of the slice waveform.
  • the external interface may be selected as an effect sound of a desired engine sound / exhaust sound among the engine sound / exhaust sound previously stored in the engine sound / exhaust sound information DB through a key input unit.
  • Engine sound / exhaust sound generation and tuning apparatus of the electric motor according to the present invention as described above has the following effects.
  • the user can selectively hear the various sound effects he / she wants by selecting the engine sound / exhaust sound he / she wants while driving or idling, so that the user can be provided with a feeling of driving in various modes.
  • control signal of the drive motor to reproduce the corresponding engine sound / exhaust sound can generate a very similar sound as the real, the electric vehicle or the electric wheelchair can provide the engine sound / exhaust sound even while driving the electric motor with little noise. To provide safety for drivers and / or pedestrians.
  • FIG. 1 is a block diagram showing the configuration of the engine sound / exhaust sound generation and tuning apparatus of the motor according to an embodiment of the present invention
  • FIG. 2 is a block diagram illustrating a detailed configuration of a sound generator in FIG. 1.
  • FIG. 2 is a block diagram illustrating a detailed configuration of a sound generator in FIG. 1.
  • FIG. 3 is a diagram illustrating an embodiment of predicting a motion of an electric motor for each frequency magnitude in the input signal processor of FIG.
  • FIG. 1 is a block diagram showing the configuration of the engine sound / exhaust sound generation and tuning apparatus of the motor according to an embodiment of the present invention.
  • the controller 200 outputs a driving signal to the steering processor 300 and the driving processor 400 based on a control signal input through the external interface 100, and the external interface ( From the control signal transmitted from the control unit 200 to the control unit 200 detects the PWM drive control signal to predict the motion information of the motor and the sound corresponding to the movement of the motor in conjunction with the pre-stored virtual engine sound / exhaust sound It consists of a sound generator 500 for generating.
  • the sound generator 500 generates slice waveforms obtained by cutting the frequency of the pulse shape of the input driving control signal at regular intervals according to time zones, and generates each slice waveform of the electric motor.
  • the input signal processor 510 for setting the predicted motion and the engine motion / exhaust sound information DB 550 are classified by motion information of the motor based on the predicted motion information of the motor for each slice waveform set by the input signal processor 510.
  • Matching unit 520 for detecting and combining the engine sound / exhaust sound that is matched with each other of the engine sound / exhaust sound stored in advance in the pre-stored, and the digital sound source by the engine sound / exhaust sound coupled to each slice waveform in the matching processing unit 520
  • the D / A codec converts the sound into a smooth sound source form, decodes it into an analog sound source, and outputs the same to the output unit 540.
  • 530 and an output unit 540 for outputting the engine sound / exhaust sound converted by the D / A codec 530 to the outside through a speaker.
  • the input signal processor 510 detects a frequency magnitude in the form of a pulse of an input driving control signal and predicts the movement of the motor based on the movement of the motor preset for each frequency magnitude.
  • the input drive control signal is a PWM signal
  • the frequency of the input drive control signal is 1.5 msec
  • the gear is shifted to the center angle (0).
  • the predicted movement of the motor through the input signal processor 510 may be easily predicted by corresponding to the movement of the motor preset for each frequency size based on the magnitude of the frequency of the pulse of the driving control signal.
  • the input signal processor 510 generates slice waveforms in which pulse frequencies of the input driving control signal are cut at regular intervals according to time zones, thereby extracting engine sounds / exhaust sounds corresponding to the change of the motor (speed, etc.). Make it flexible. Accordingly, the engine sound / exhaust sound data previously stored in the engine sound / exhaust sound information DB 550 are also separated and stored at the same interval as the time interval of the slice waveform.
  • the output unit 540 is a part that provides a terminal connected to the car stereo of the car in order to send the sound source converted in the D / A codec 530 through the speaker installed in the car interior. Since car car stereo can receive wireless FM frequency, there are two methods of transmitting sound source to car stereo by using FM radio frequency using RF transmitter, and two methods of directly connecting wired line with sound generator 500 and car stereo. Both methods are currently supported. The detailed description of the RF transmitter is already included in the RF transmitter products on the market, so the detailed description is not provided.
  • the user can select the effect sound of the engine sound / exhaust sound desired by the user among the engine sound / exhaust sound stored in the engine sound / exhaust sound information DB 550 in advance through the key input unit of the external interface 100 provided in the motor,
  • the selected sound effect can be adjusted by volume, which can be checked through the LCD display provided in the motor.
  • the driver and the pedestrian can select their desired engine sound / exhaust sound while driving or idling while the engine is turned on, so that the desired engine sound / exhaust sound of the vehicle is not the actual engine sound / exhaust sound of their vehicle. You will be able to hear through the in-car speakers.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Exhaust Silencers (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Hybrid Electric Vehicles (AREA)

Abstract

La présente invention concerne un dispositif de génération et d'ajustement d'un son de moteur/son d'échappement d'un moteur électrique, qui peut être simplifié en termes de configuration par détection d'un schéma de modulation de largeur d'impulsions (PWM) qui est un signal de commande d'un moteur électrique et génération d'un son conjointement avec un son de moteur/son d'échappement virtuel. Le dispositif comprend : un dispositif de commande pour délivrer en sortie un signal d'entraînement à une unité de traitement de direction et une unité de traitement d'entraînement sur la base d'un signal de commande entré par l'intermédiaire d'une interface externe ; et une unité de génération de son pour détecter un signal de commande d'entraînement d'un schéma PWM transmis depuis l'interface externe pour prédire les informations de mouvement de moteur électrique et générer un son correspondant à un mouvement du moteur électrique conjointement avec un son de moteur virtuel et un son d'échappement qui sont pré-stockés à l'avance.
PCT/KR2016/014295 2015-12-07 2016-12-07 Dispositif de génération et d'ajustement de son de moteur/sont d'échappement de moteur électrique WO2017099468A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150173294A KR101762790B1 (ko) 2015-12-07 2015-12-07 전동기의 엔진음/배기음 발생 및 튜닝장치
KR10-2015-0173294 2015-12-07

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WO2017099468A1 true WO2017099468A1 (fr) 2017-06-15

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113631427A (zh) * 2019-03-27 2021-11-09 松下知识产权经营株式会社 信号处理装置、声学再现系统以及声学再现方法
US11351916B2 (en) 2018-09-27 2022-06-07 Harman International Industries, Incorporated Vehicle sound synthesis during engine start conditions

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109324546A (zh) * 2018-09-19 2019-02-12 智旅交通科技（深圳）有限公司 一种新能源汽车avas安全预警车载终端系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007258980A (ja) * 2006-03-22 2007-10-04 Yamaha Corp 波形合成装置およびそのプログラム
KR20100109197A (ko) * 2009-03-31 2010-10-08 주식회사 레오모터스 전기자동차의 주행모드 제어방법
KR20100126151A (ko) * 2009-05-22 2010-12-01 백상주 엔진음/배기음 발생장치 및 방법과 기록매체
JP4888386B2 (ja) * 2005-03-11 2012-02-29 ヤマハ株式会社 エンジン音加工装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4888386B2 (ja) * 2005-03-11 2012-02-29 ヤマハ株式会社 エンジン音加工装置
JP2007258980A (ja) * 2006-03-22 2007-10-04 Yamaha Corp 波形合成装置およびそのプログラム
KR20100109197A (ko) * 2009-03-31 2010-10-08 주식회사 레오모터스 전기자동차의 주행모드 제어방법
KR20100126151A (ko) * 2009-05-22 2010-12-01 백상주 엔진음/배기음 발생장치 및 방법과 기록매체

Non-Patent Citations (1)

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Title
LAWRENCE R. RABINER: "Introduction to Digital Speech Processing", SIGNAL PROCESSING, vol. 1, 2007, pages 46 - 53 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11351916B2 (en) 2018-09-27 2022-06-07 Harman International Industries, Incorporated Vehicle sound synthesis during engine start conditions
CN113631427A (zh) * 2019-03-27 2021-11-09 松下知识产权经营株式会社 信号处理装置、声学再现系统以及声学再现方法
CN113631427B (zh) * 2019-03-27 2024-02-23 松下知识产权经营株式会社 信号处理装置、声学再现系统以及声学再现方法

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KR20170066983A (ko) 2017-06-15

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