WO2011125128A1 - Dispositif de soutien à fonctionnement à économie d'énergie - Google Patents

Dispositif de soutien à fonctionnement à économie d'énergie Download PDF

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Publication number
WO2011125128A1
WO2011125128A1 PCT/JP2010/002543 JP2010002543W WO2011125128A1 WO 2011125128 A1 WO2011125128 A1 WO 2011125128A1 JP 2010002543 W JP2010002543 W JP 2010002543W WO 2011125128 A1 WO2011125128 A1 WO 2011125128A1
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WO
WIPO (PCT)
Prior art keywords
sound
power
music
consumption
unit
Prior art date
Application number
PCT/JP2010/002543
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English (en)
Japanese (ja)
Inventor
谷口琢也
青柳貴久
小城戸智能
表朝子
Original Assignee
三菱電機株式会社
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Priority to PCT/JP2010/002543 priority Critical patent/WO2011125128A1/fr
Publication of WO2011125128A1 publication Critical patent/WO2011125128A1/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
    • G10K15/02—Synthesis of acoustic waves
    • 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
    • B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/2045—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for optimising the use of energy
    • 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
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • 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
    • 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
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • 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
    • B60L2250/00—Driver interactions
    • B60L2250/10—Driver interactions by alarm
    • 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
    • B60L2260/00—Operating Modes
    • B60L2260/20—Drive modes; Transition between modes
    • B60L2260/26—Transition between different drive modes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/64—Electric machine technologies in electromobility
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Definitions

  • the present invention relates to a power saving operation support device that supports power saving operation of an electric vehicle or the like.
  • Patent Document 2 proposes a pseudo engine sound generator that informs the state of an electric vehicle by sound.
  • the device of Patent Document 2 is not intended to support power-saving operation, and does not describe a mechanism that encourages active use of regenerative power.
  • the present invention has been made to solve the above-described problems, and outputs a sound in real time according to the electric power consumed and regenerated while a vehicle such as an electric vehicle is running, so that the driver's vision can be obtained.
  • An object of the present invention is to obtain a power saving operation support device that can safely and accurately support power saving operation without disturbing the above.
  • a power-saving driving support device is provided in a vehicle that travels with the power supplied by the power storage device and has a measuring device that measures power consumption and regenerative power of the power storage device, and power consumption during travel of the vehicle And a sound-saving driving support device that supports the driver's power-saving driving by outputting sound generated according to power regeneration, and obtains measured values of power consumption and regenerative power due to vehicle travel from the measuring device And at least one of a frequency characteristic, a time characteristic, and a volume of the acoustic characteristic according to the measurement value of the power consumption and the regenerative power acquired by the acquisition unit, and the electric power during traveling of the vehicle And a sound generator that generates different sounds during consumption and during power regeneration.
  • At least one of the frequency characteristics, the time characteristics, and the volume of the acoustic characteristics according to the power consumption and regenerative power measured by the traveling of the vehicle. Is changed to generate and output different sounds depending on the power consumption and power regeneration while the vehicle is running.
  • sound can be output in real time according to the electric power consumed and regenerated while the vehicle such as an electric vehicle is running, and the driver's vision is not hindered, and power-saving operation is performed safely and accurately.
  • FIG. 1 is a block diagram illustrating an internal configuration of a power saving operation support apparatus according to Embodiment 1.
  • FIG. It is a figure which shows the music data stored in the music memory for consumption sound and the music memory for regenerative sound in the user music part in FIG.
  • FIG. It is a figure which shows the music data stored in the loop music ROM for consumption sound and the loop music ROM for regenerative sound in the loop music part in FIG.
  • FIG. shows the sound data stored in the consumption pseudo sound ROM and the regeneration pseudo sound ROM in the pseudo sound part in FIG.
  • It is a block diagram which shows the detailed structure of the user music part in FIG. 2, or a loop music part.
  • FIG. 1 It is a block diagram which shows the detailed structure of the pseudo
  • FIG. 1 is a block diagram showing a configuration of a power saving operation support apparatus according to Embodiment 1 of the present invention.
  • 1 shows a configuration in which a power saving operation support device 1 according to Embodiment 1 is connected to an electric vehicle 2.
  • the electric vehicle 2 includes an EV (Electric Vehicle) control device 3, an accelerator 4, a brake 5, a shift 24 connected thereto, a power storage device 8 for storing electric energy, an inverter 7, and an ammeter 9 incorporated therein. 10.
  • a motor 6 serving as a power source, a shaft 12 for transmitting power to the wheels 13, and a transmission 11 are provided.
  • the EV control device 3, the inverter 7 and the power storage device 8 are connected to each other via a B-CAN (Body-Control Area Network) so as to exchange information.
  • B-CAN Body-Control Area Network
  • the EV control device 3 recognizes the accelerator opening, the brake strength, and the engine brake state from the accelerator 4, the brake 5 and the shift 24 indicating the shift lever, and drives and regenerates the motor 6 by the inverter 7 through B-CAN. In addition, the battery state (remaining charge amount) of the power storage device 8 is monitored, and an operation for preventing battery failure due to overcharge or sudden discharge is performed.
  • the power storage device 8 includes a storage battery capable of storing power, a charger for receiving charging from an external AC power source, and a DC / DC converter for supplying power to electrical components.
  • the inverter 7 monitors the current with the power storage device 8 with the drive current consumption meter 9 and the regenerative ammeter 10, and transmits the information (current value) to the EV control device 3 and the power storage device 8 through B-CAN. Output.
  • the drive and regeneration of the motor 6 are controlled by the inverter 7, and the power is exchanged between the axle 12 and the wheel 13 through the transmission 11. Therefore, the motor 6 operates as a motor when the accelerator 4 is stepped on and driven, and operates as a generator when the accelerator is off and a regenerative operation is performed.
  • the power saving driving support sound control device (acquisition unit) 14 transmits the measured power consumption value and the power storage device in the state of consuming the power of the power storage device 8 transmitted from the inverter 7 to the EV control device 3 through B-CAN. It is comprised so that the measured value of the regenerated electric power in the state which regenerates electric power to 8 may be intercepted, and the power-saving driving assistance sound generator 15 is controlled using the information on the measured value of the intercepted electric power.
  • the information indicating the measured power consumption value in the power consumption state and the regenerative power measurement value in the power regeneration state is referred to as “information indicating the consumption or regeneration state and the power value”.
  • the power saving driving support sound control device 14 cooperates with the sound unit 16 and the telephone unit 19 through H-CAN to save power saving so as to stop the power saving driving support sound at the request from these units 16 and 19.
  • the driving assistance sound generator 15 can be controlled.
  • the power saving driving support sound is stopped during a telephone call or while outputting a voice guidance for car navigation.
  • the power saving driving support sound may be stopped according to the stop operation received from the user.
  • the power saving driving support sound generation device (sound generation unit) 15 has a function of generating a power saving driving support sound (hereinafter abbreviated as support sound as appropriate) according to the control information of the power saving driving support sound control device 14.
  • the assistance sound generated in the power saving driving assistance sound generator 15 is output from the in-vehicle speaker 18 by the acoustic unit 16.
  • the sound unit 16 determines whether the support sound input from the power-saving driving support device 1 is output to the speaker 18, the music or broadcast reproduced by the user, or a mixture of both.
  • the function which can be selected is provided and it is comprised so that use of the function regarding a support sound may not be forced with respect to a user.
  • the acoustic unit 16 has a function of selecting a speaker to be output by the user when there are a plurality of in-vehicle speakers 18 that output the support sound input from the power saving driving support device 1. Thereby, for example, it is possible to make it difficult for non-drivers to hear the support sound.
  • the telephone unit 19 is connected to the mobile phone 21 by wire or wireless, and includes a microphone 20 to enable a hands-free call.
  • the received voice is output into the vehicle through the acoustic unit 16 and the speaker 18.
  • FIG. 2 is a block diagram illustrating an internal configuration of the power saving operation support apparatus according to the first embodiment.
  • the power-saving driving support sound control device 14 serves as an information receiving means such as an H-CAN receiving unit 101 and a B-CAN receiving unit 102, a navigation / audio cooperative information storing unit 103 for storing received information, and a consumption.
  • the regenerative power information storage unit 104 includes an acoustic control unit 105 and a setting information memory 106 for processing control information. 2 is connected to connection points A120, 140, 170, and 191 in the power saving driving support sound generator 15.
  • the connection point A107 connected to the acoustic control unit 105 in FIG.
  • the power saving driving support sound generator 15 includes a user music unit 111, a loop music unit 131, and a pseudo sound unit 161.
  • the user music unit 111 is a configuration unit that uses a user's favorite music as a material for power saving driving support sound.
  • the loop music unit 131 is a component that uses built-in music as a power-saving driving support sound
  • the simulated sound unit 161 is a component that generates a support sound that simulates the driving sound of an automobile.
  • a power saving operation support sound output unit 190 that switches the output from each component according to a control signal from the power saving operation support sound control device 14 is provided.
  • the user music unit 111 includes a user music control unit 112, a control information memory 113, a music data reception connector 114, a music playback unit 115, a consumption sound music memory 116, a regenerative sound music memory 117, a tempo change unit 118, and a pitch adjustment unit. 119 and a volume adjusting unit 120.
  • the user music control unit 112 is a component that acquires control information from the power-saving driving support sound control device 14 and controls the tempo, pitch, and volume of music, and the control information memory 113 stores the control information. Memory.
  • the music data receiving connector (communication unit) 114 is a component that receives music data from the acoustic unit 16.
  • the music memory for consumed sound 116 is a memory that stores music data received by the music data receiving connector 114 when power is consumed.
  • the regenerative sound music memory 117 is a memory for storing the music data during power regeneration received by the music data receiving connector 114.
  • the music playback unit 115 is a component that plays back music data stored in the music memory 116 for consumed sound and the music memory 117 for regenerated sound.
  • the tempo changing unit 118 generates a reproduction timing according to the consumption or regeneration power value of the vehicle, and changes the reproduction speed of the music data by the music reproduction unit 115 in synchronization with the reproduction timing. This is a component that adjusts the tempo according to the tempo.
  • the pitch adjustment unit 119 is a component that adjusts the pitch so that the music pitch does not change unnaturally when the music playback unit 115 changes the playback speed in synchronization with the playback timing instructed by the tempo change unit 118.
  • the volume adjusting unit 120 is a component that controls the volume according to the power value.
  • the loop music unit 131 has the same basic configuration as the user music unit 111, but does not include the music data receiving connector 114 for connecting to the acoustic unit 16, and further includes a music memory for consumption sound 116 and music for regenerative sound. Instead of a rewritable memory such as the memory 117, a difference is that a consumption sound loop music ROM 135 and a regenerative sound loop music ROM 136 which are non-rewritable music ROMs (Read Only Memory) are provided.
  • Other loop music control unit 132, control information memory 133, music playback unit 134, tempo change unit 137, pitch adjustment unit 138, and volume adjustment unit 139 are the same as those of user music unit 111.
  • the pseudo sound unit 161 has the same basic configuration as the loop music unit 131, but does not have a ROM for storing music data, but instead uses a consumption pseudo sound ROM 165 that stores sound data including engine sound and inverter sound. And a regenerative simulated sound ROM 166, and further includes a playback speed control unit 167 that controls the playback speed instead of the pitch adjustment unit 138 instead of the pitch adjustment unit 138.
  • the playback speed control unit 167 controls the playback speed in accordance with an instruction from the pseudo sound control unit 162. Since the pseudo sound can be generated only by adjusting the reproduction speed, the pseudo sound unit 161 does not include a pitch adjustment unit.
  • the other control information memory 163 and volume control unit 168 are the same as the loop music unit 131.
  • FIG. 3 is a diagram illustrating music data stored in the music memory for consumption sound and the music memory for regenerative sound in the user music section in FIG.
  • the music memory for consumed sound 116 holds music data 201 at ideal power consumption, music data 202 at high power consumption, and music data 203 at extremely high power consumption.
  • the music data 201 to 203 stored in the music memory for consumed sound 116 can be rewritten to arbitrary music data as needed via the music data receiving connector 114 using the acoustic unit 16.
  • the music memory 117 for regenerative sound holds music data 204 at the time of high regenerative power and music data 205 at the time of low regenerative power, and can be rewritten in the same manner using the acoustic unit 16.
  • the “multi-music mode” shown in FIG. 3 will be described later.
  • FIG. 4 is a diagram showing music data stored in the loop music ROM for consumption sound and the loop music ROM for regenerative sound in the loop music section in FIG.
  • the consumed sound loop music ROM 135 and the regenerated sound loop music ROM 136 store data having the same configuration as the consumed sound music memory 116 and the regenerated sound music memory 117 shown in FIG. 3, but the stored music data. Is different in that it cannot be rewritten.
  • the consumption music loop music ROM 135 as music data 206 at the ideal power consumption shown in FIG. 4, loopable music having a slow tempo and continuously connecting music at the start and end is recorded.
  • music data 207 at the time of power music data having a slightly faster tempo than the music data 206 at the time of ideal power consumption is recorded.
  • the music data 208 at the time of ultra high power consumption records music with a faster tempo than the music data 207 at the time of high power consumption.
  • the regenerative sound loop music ROM 136 records music having a large number of musical instruments to be played as music data 209 at the time of highly effective regenerative power, and has a small number of instruments as music data at the time of a low effective regenerative power. Record music.
  • the “multi-music mode” shown in FIG. 4 will be described later.
  • FIG. 5 is a diagram showing sound data stored in the consumption simulated sound ROM and the regenerative simulated sound ROM in the simulated sound part in FIG.
  • the consumed pseudo sound ROM 165 and the regenerated pseudo sound ROM 166 have a data structure similar to that of the consumed sound loop music ROM 135 and the regenerative sound loop music ROM 136 in FIG. 4, but only one type of regenerated pseudo sound data is recorded. And the recorded sound data are different from each other.
  • the consumption pseudo sound ROM 165 records the sound of a reciprocating engine with a rotational speed of about 4000 rpm as a high-speed engine sound 211, and the rotational speed at which the pitch decreases by about one octave as a medium-speed engine sound 212 is about 2000 rpm. Record the sound of the reciprocating engine. Further, as engine sound 213 of low speed rotation, reciprocating engine sound having a rotation speed of about 1000 rpm whose pitch decreases by about one octave is recorded. Accordingly, as the recorded data, three reciprocating engine sounds whose pitches are increased by one octave from a rotational speed of 1000 rpm are recorded.
  • the regenerative simulated sound ROM 166 records an inverter simulated sound 214 that reproduces the inverter sound of the AC electric motor.
  • the playback speed of the playback device A is adjusted according to instructions from the tempo change units 118 and 137, and the tempo (time characteristics) is adjusted. It can be changed.
  • the pitch adjusters 119 and 138 are configured to adjust the pitch with respect to the output of the player A.
  • the volume adjusters 120 and 139 include a volume adjuster A, a volume adjuster B, a volume adjuster C, and a mixer 250.
  • the mixer 250 adds three outputs from the volume adjusters A to C. The output is combined into one output.
  • the “multi-music mode” in FIG. 6 and the operation of these playback units will be described later.
  • FIG. 7 is a block diagram showing a detailed configuration of the pseudo sound unit in FIG.
  • the pseudo sound unit 161 has substantially the same configuration as the user music unit 111 or the loop music unit 131 shown in FIG. 6, but has a pseudo sound playback unit 164, and a playback speed control unit 167 instead of the tempo change unit 137. And the pitch adjustment unit 119 is not provided.
  • the pseudo sound control unit 162 controls the operations of the pseudo sound reproduction unit 164 and the reproduction speed control unit 167 according to the control information in the control information memory 163.
  • the simulated sound reproduction unit 164 includes a reproduction device a, a reproduction device b, and a reproduction device c, and the reproduction speed of each of the reproduction devices a to c is controlled by the reproduction speed control unit 167.
  • the volume adjustment unit 168 includes a volume adjuster a, a volume adjuster b, a volume adjuster c, and a mixer 251.
  • the mixer 251 the three outputs from the volume adjuster a, the volume adjuster b, and the volume adjuster c are added to form one output.
  • FIG. 8 is a diagram illustrating an outline of engine or inverter simulated sound corresponding to the power value of consumption or regeneration by the simulated sound unit in FIG. 2.
  • the Y axis indicates the volume (dB) and frequency (Hz) of the pseudo sound
  • the right side indicates the power consumption (kW) of the electric vehicle 2 with the origin of the X axis as the boundary
  • the left side indicates the regeneration. Electric power (kW) is shown.
  • the power consumption limit value 301 indicates the maximum output power of the power storage device 8
  • the regenerative power limit value 302 similarly indicates the maximum input power of the power storage device 8.
  • the volume change 304 indicates the volume of the pseudo sound output from the volume adjustment unit 168 corresponding to the power value of consumption or regeneration, and this volume is information on the power value of consumption or regeneration by the pseudo sound control unit 162. It is controlled on the basis of.
  • the shaded portions in the graph shown in FIG. 8 indicate the material usage range of the pseudo sound stored in the consumption pseudo sound ROM 165 and the regenerative pseudo sound ROM 166 of FIG. 311, a medium usage range 312 for medium-speed engine sound, a material usage range 313 for low-speed engine sound, and an inverter simulated sound material usage range 314.
  • the pseudo sound unit 161 sets a pseudo sound to be reproduced according to the power value of consumption or regeneration, and changes the reproduction speed according to the power value of consumption or regeneration.
  • the portions showing the change in the playback speed are the consumption simulated sound playback speeds 321 to 323 and the regenerative simulated sound playback speed 324 shown in FIG. 8, and the playback speed increases toward the tip of the arrow. This means that the frequency of the pseudo sound also increases.
  • the mixed sound 305 is a pseudo sound where the material usage range of the pseudo sound overlaps, and is reproduced by adjusting the reproduction speed by the reproducing devices a, b, and c, and then the volume change by the volume adjusting unit 168. It is mixed and output while adjusting the volume so as to match 304.
  • the frequency change of the pseudo sound is indicated by the frequency change 303. Therefore, it is possible to create a simulated sound close to the actual engine sound and inverter sound.
  • FIG. 9 is a diagram showing an outline of the power saving driving support sound in the normal mode.
  • the Y axis indicates the frequency (Hz), tempo (BPM), and volume (dB) of the support sound
  • the right side of the origin of the X axis is the power consumption (kW) of the electric vehicle 2
  • the left side shows the regenerative power (kW).
  • the power consumption limit value 401 indicates the maximum output power of the power storage device 8
  • the regenerative power limit value 402 indicates the maximum input power of the power storage device 8.
  • the volume change 405a indicates the relationship between the volume of the consumed sound and the power consumption
  • the volume change 405b indicates the relationship between the volume of the regenerated sound and the regenerated power.
  • the consumed sound is a support sound that is output when the electric vehicle 2 consumes power.
  • tempo (time characteristics) increase.
  • the regenerative sound is a support sound that is output when the electric vehicle 2 is regenerating electric power, and generates a pseudo sound or music different from the consumed sound.
  • the regenerative sound change 404 in the normal mode increases in frequency and tempo in proportion to the regenerative power.
  • FIG. 10 is a diagram showing an outline of the generation of power saving driving support sound in the normal mode, in which the operation of generating the support sound in the normal mode is displayed in a graph according to the passage of time while the electric vehicle 2 is running.
  • the upper side with respect to the origin of the Y-axis shows the power consumption (kW), the frequency (Hz) and the tempo (BPM) of the electric vehicle 2, and the lower side shows the regeneration.
  • the electric power (kW), the frequency (Hz) and tempo (BPM) of the regenerative sound are shown.
  • the X axis indicates the travel distance (km) of the electric vehicle 2.
  • the power consumption limit value 401 and the regenerative power limit value 402 correspond to the values shown in FIG.
  • FIG. 10B shows a case where the electric vehicle 2 travels on a road including a downhill, a flat ground, and an uphill on the X-axis travel distance of FIG. 10A.
  • the electric vehicle 2 is traveling while adjusting the accelerator and the regenerative brake so that the vehicle travels at a constant speed.
  • the consumption support sound (consumption sound) and power consumption are in a proportional relationship
  • the regenerative support sound (regeneration sound) and regenerative power are in a proportional relationship.
  • the curve 412 indicating the change in the frequency or tempo of the support sound with respect to the travel distance of the electric vehicle 2 completely overlaps the curve 413 indicating the power fluctuation.
  • FIG. 11 is a diagram showing an outline of the power saving driving support sound in the optimization mode.
  • the Y axis indicates the frequency (Hz), tempo (BPM), and volume (dB) of the support sound.
  • the right side of the origin of the X axis is the power consumption (kW) of the electric vehicle 2.
  • the left side shows the regenerative power (kW).
  • the power consumption limit value 401, the regenerative power limit value 402, and the volume changes 405a and 405b correspond to the values shown in FIG.
  • the graph of FIG. 11 shows a low power enhancement change 403a and a high power enhancement change 403b that are specific to the optimization mode, in addition to the change 403 in the normal mode shown in FIG.
  • the low power emphasis change 403a is a change pattern in which the amount of change in the frequency or tempo of sound consumption increases as the power consumption decreases, mainly in roads with a low speed limit such as a residential area where the power consumption can be reduced. Intended for use.
  • the high power emphasis change 403b is a change pattern in which the amount of change in the frequency or tempo of the sound consumption increases as the power consumption increases. Intended for use.
  • the optimization mode includes a change characteristic of the normal mode, and provides an optimum power-saving driving support sound to the user by switching these change characteristics according to the speed limit of the road on which the electric vehicle 2 travels. It becomes a mode.
  • FIG. 12 is a diagram showing an overview of the generation of power-saving driving support sound in the optimization mode, in which the generation operation of the support sound in the optimization mode is displayed in a graph according to the passage of time while the electric vehicle 2 is traveling. It is.
  • the upper side with respect to the origin of the Y axis shows the power consumption (kW), the frequency (Hz) and the tempo (BPM) of the electric vehicle 2, and the lower side shows the regeneration.
  • the electric power (kW), the frequency (Hz) and tempo (BPM) of the regenerative sound are shown.
  • the X axis indicates the travel distance (km) of the electric vehicle 2.
  • the power consumption limit value 401 and the regenerative power limit value 402 correspond to the values shown in FIG. FIG.
  • FIG. 12B illustrates a case where the electric vehicle 2 travels on a road including a downhill, a flat ground, and an uphill on the X-axis travel distance of FIG. At this time, it is assumed that the electric vehicle 2 is traveling while adjusting the accelerator and the regenerative brake so that the vehicle travels at a constant speed.
  • a curve 430 indicates a change in the frequency or tempo of the support sound in the normal mode with respect to the travel distance of the electric vehicle 2, and coincides with the power fluctuation. That is, the curve 430 coincides with the power fluctuation change 413 in the normal mode shown in FIG.
  • a curve 431 indicates the change in the frequency, tempo, or power of the support sound in the low power emphasis change 403a with respect to the travel distance of the electric vehicle 2.
  • the frequency or tempo of the consumed sound changes greatly compared to the increase in the power consumption and rises compared to the normal mode. As power increases, it begins to rise gently.
  • a curve 432 represents changes in the frequency, tempo, and power of the support sound in the high power emphasis change 403b with respect to the travel distance of the electric vehicle 2.
  • the frequency or tempo of the sound consumption increases gently, and when the power consumption increases, the increase in power consumption compared to the normal mode. It rises with a large change. Note that the frequency, tempo, and regenerative power of the regenerative sound change as in the normal mode.
  • FIG. 13 is a diagram showing an outline of the power saving driving support sound in the silent mode.
  • the Y axis indicates the frequency (Hz), tempo (BPM), and volume (dB) of the support sound
  • the right side of the origin of the X axis is the power consumption (kW) of the electric vehicle 2.
  • the left side shows the regenerative power (kW).
  • the power consumption limit value 401 indicates the maximum output power of the power storage device 8
  • the regenerative power limit value 402 indicates the maximum input power of the power storage device 8, and corresponds to the value shown in FIG.
  • the volume change 445 indicates the relationship between the volume of the consumed sound and the power consumption
  • the volume change 446 indicates the relationship between the volume of the regenerated sound and the regenerative power.
  • the increase in volume accompanying the increase in the power consumption value is gentle, unlike the normal mode, and the volume increases slowly as the power consumption value increases. It is set to be. That is, the consumption sound in the silent mode becomes smaller as the electric power value consumed by the electric vehicle 2 is lower, and larger as the electric power value consumed is higher.
  • the volume change 446 is also set so that the volume gradually increases as the regenerative power value increases, and the regenerative sound in the silent mode is smaller as the regenerative power value is lower and as the regenerative power value is higher. Sounds loud.
  • a change 447 in the consumption sound indicates a change in the frequency or tempo of the consumption sound with respect to power consumption
  • a change 448 in the regenerative sound corresponds to the regenerative power.
  • a change in the frequency or tempo of the regenerative sound is shown. Both the consumed sound and the regenerative sound are silent in the silent section and no sound is emitted.
  • the consumption-side silence threshold value 443 is a threshold value of the power consumption value that defines the silence interval of the consumption sound, and is a value that varies depending on the speed limit of the traveling road. When the speed limit of the traveling road cannot be obtained, the speed limit is estimated from the previous maximum speed. It should be noted that the consumption-side silence threshold 443 is set higher on an expressway with high power consumption, and conversely, on a road that needs to slow down such as a residential area, the consumption-side silence threshold 443 is set lower. In any case, it is desirable that the power is basically lower than the consumption-side silence threshold if an ideal power-saving operation is performed. By setting in this way, if the driver is driving ideally, the support sound (consumption sound) at the time of power consumption will not be output, and the troublesomeness that the consumption sound will be output to the driver constantly Can be reduced.
  • the regeneration-side silence threshold value 444 is a threshold value for the regenerative power value that defines the silence interval of the regeneration sound.
  • the regenerative power is a fixed value because the power value does not always increase depending on the speed of the electric vehicle 2.
  • the regeneration-side silence threshold value 444 is desirably set to a value that can provide effective regenerative power. That is, only when the regenerative effect is sufficiently obtained, the regenerative sound is output to notify the driver that effective regenerative operation is being performed. By setting in this way, the output of the support sound can be limited by the obtained regenerative effect, and the troublesomeness of constantly outputting the regenerative sound to the driver every time power regeneration is performed can be reduced.
  • FIG. 14 is a diagram showing an outline of the generation of power saving driving support sound in the silent mode, and is a graph display of the operation of generating the support sound in the silent mode according to the passage of time while the electric vehicle 2 is traveling.
  • the upper side with respect to the origin of the Y-axis shows the power consumption (kW), the frequency (Hz) and the tempo (BPM) of the electric vehicle 2, and the lower side shows the regeneration.
  • the electric power (kW), the frequency (Hz) of regenerative sound, and the tempo (BPM) are shown.
  • the X axis indicates the travel distance (km) of the electric vehicle 2.
  • the power consumption limit value 401 and the regenerative power limit value 402 correspond to the values shown in FIG. FIG.
  • FIG. 14B illustrates a case where the electric vehicle 2 travels on a road including a downhill, a flat ground, and an uphill on the X-axis travel distance of FIG. 14A. At this time, it is assumed that the electric vehicle 2 is traveling while adjusting the accelerator and the regenerative brake so that the vehicle travels at a constant speed.
  • a curve 449 shown in FIG. 14A represents changes in the frequency, tempo, and power of the support sound in the normal mode with respect to the travel distance of the electric vehicle 2.
  • the support sounds are generated in the power consumption range from the consumption-side silence threshold 443 to the power consumption limit value 401 and the regenerative power range from the regeneration-side silence threshold 444 to the regeneration power limit value 402. There is no sound in the silent power range defined by the consumption-side silence threshold 443 and the regeneration-side silence threshold 444.
  • the power consumption increases and the power consumption increases.
  • the electric vehicle 2 exceeds the consumption-side silence threshold 443, a consumption sound different from the regenerative sound is emitted.
  • the consumed sound also increases in frequency or tempo as the power consumption increases. In this way, the troublesomeness caused by the continuous output of the power-saving driving support sound is reduced by silencing the portion that does not cause a problem even if the driver does not output the support sound.
  • FIG. 15 is a diagram showing an outline of the power saving driving support sound in the multi music mode.
  • the Y axis indicates the volume (dB)
  • the right side of the origin of the X axis indicates the power consumption (kW) of the electric vehicle 2
  • the left side indicates the regenerative power (kW).
  • the power consumption limit value 401 indicates the maximum output power of the power storage device 8
  • the regenerative power limit value 402 indicates the maximum input power of the power storage device 8, and corresponds to the value shown in FIG.
  • the same function as in the case of simulated sound is provided by changing the music without changing the frequency and tempo of the power-saving driving assistance sound.
  • a total of five types of music including power consumption and regeneration are used, and which music is used for the support sound depends on the difference between power consumption and power regeneration and the size of each power value. It is decided.
  • the playback range 463 is a music playback range when the electric vehicle 2 is in an extremely high power consumption
  • the playback range 464 is a music playback range at a high power consumption
  • the playback range 464 is a music playback range at an ideal power consumption. This is the playback range.
  • the reproduction range 465 is a music reproduction range at the time of low regenerative power
  • the reproduction range 466 is a music reproduction range at the time of high regenerative power.
  • the music set to the current playback range and the next playback range is simultaneously reproduced by controlling the volume with the power value corresponding to the boundary of the reproduction range 468, mixed and output.
  • the music data 201 to 205 in the music memories 116 and 117 shown in FIG. 3 and the music data 206 to 210 in the music ROMs 135 and 136 shown in FIG. used.
  • five types of music data are unnecessary, so only the music data 201 or music data 206 is used.
  • the multi-music mode cannot be set when the pseudo sound is used as the support sound.
  • the multi-music mode when music is switched according to the power value, simultaneous playback of a plurality of music is required. Therefore, a plurality of players (players A to C) shown in FIG. use.
  • players A to C players shown in FIG. use.
  • the volume adjusters A to C adjust the level of each reproduced music according to the relationship between the power and the volume in the reproduction range corresponding to the current power among the reproduction ranges 463 to 467. Mix. Note that only the player A is used except in the multi-music mode.
  • FIG. 16 is a diagram showing an overview of the generation of power-saving driving support sound in the multi-music mode, in which the operation of generating the support sound in the multi-music mode is displayed in a graph according to the passage of time while the electric vehicle 2 is running. is there.
  • the upper side from the origin of the Y-axis indicates the power consumption (kW) of the electric vehicle 2
  • the lower side indicates the regenerative power (kW).
  • the X axis indicates the travel distance (km) of the electric vehicle 2.
  • the power consumption limit value 401 and the regenerative power limit value 402 correspond to the values shown in FIG.
  • the power range indicated by the shaded pattern in FIG. 16A corresponds to the shaded pattern of the music playback range shown in FIG. 15, and the music set in the playback range of the same pattern is played back.
  • the A curve 472 shows changes in the frequency, tempo, and power of the support sound in the normal mode with respect to the travel distance of the electric vehicle 2.
  • FIG. 16B illustrates a case where the electric vehicle 2 travels on a road including a downhill, a flat ground, and an uphill on the X-axis travel distance of FIG.
  • the electric vehicle 2 is traveling while adjusting the accelerator and the regenerative brake so that the vehicle travels at a constant speed.
  • the electric vehicle 2 travels with ideal power consumption, and music at the time of ideal power consumption is reproduced.
  • the electric vehicle 2 consumes no power and generates regenerative power.
  • the support sound is played through music with low regenerative power, and music with high regenerative power is played.
  • FIGS. 17 and 18 are flowcharts showing a flow of output operation of support sound when the acoustic unit 16 is operated.
  • the flow of the operation of outputting the support sound when the sound unit 16 is operated is changed from the flowchart of FIG. 17 to the flowchart of FIG.
  • the connection point R1 in the flowchart in FIG. 18 and the connection point R1 in the flowchart in FIG. 17 are connected, and the flow loops.
  • step ST501 etc. the operation content when the user operates the acoustic unit 16 is shown, and how the operation of the acoustic unit 16 and the power saving driving support device 1 depends on the result of the operation of the acoustic unit 16. Shows how it will change.
  • step ST501 indicates that the user has operated the acoustic unit 16 to select whether or not to output a power saving driving support sound. .
  • the sound unit 16 notifies the power saving operation support device 1 to that effect.
  • the power saving driving support sound generator 15 in the power saving driving support device 1 outputs the power saving driving support sound to the acoustic unit 16, and the acoustic unit 16 outputs the input power saving driving support sound to the in-vehicle speaker 18.
  • step ST501-3 when ON is not selected and the user selects OFF in the following branch (step ST501-3), the acoustic unit 16 notifies the power saving operation support apparatus 1 to that effect. Thereby, the power saving driving support sound control device 14 stops the output of the power saving driving support sound (step ST501-4).
  • step ST502 This branch indicates whether the user makes a call or has received an incoming call.
  • the sound unit 16 notifies the power saving operation support device 1 to that effect.
  • the power saving driving support sound control device 14 of the power saving driving support device 1 stops outputting the power saving driving support sound (step ST502-1).
  • the telephone unit 19 executes a call without a power saving driving support sound (step ST502-2).
  • the sound unit 16 notifies the power saving operation support device 1 to that effect.
  • the power saving driving support sound generator 15 outputs the power saving driving support sound to the acoustic unit 16 again, and the output of the power saving driving support sound via the in-vehicle speaker 18 is restored (step ST502-5).
  • step ST503 the process proceeds to the branch “Operation FM / AM / CD?” In step ST503.
  • This branch indicates whether or not the user has performed a reproduction operation on the radio or CD in the acoustic unit 16.
  • the sound unit 16 notifies the power saving operation support device 1 to that effect.
  • the power saving driving support sound generator 15 outputs the power saving driving support sound to the acoustic unit 16, and the acoustic unit 16 mixes the power saving driving support sound with the sound (music) of the radio or CD.
  • Output from in-car speaker 18 step ST503-2).
  • the sound unit 16 stops playing the radio or CD. To do. Thereby, the acoustic unit 16 outputs only the power saving driving support sound from the in-vehicle speaker 18 (step ST503-4).
  • step ST504 the user performs an operation for setting a speaker that outputs power saving driving support sound among the in-vehicle speakers 18 for the acoustic unit 16. Indicates whether or not it has been executed.
  • an operation for setting a speaker that outputs a power saving driving support sound is performed, in the subsequent step ST505, when the user selects only the door speaker of the driver's seat, the acoustic unit 16 outputs the power saving driving support sound to the driver's seat door. Output from the speaker (step ST505-1). Thereby, the power saving driving support sound reaches only the driver as much as possible.
  • the acoustic unit 16 outputs the power saving driving support sound from all the in-vehicle speakers 18. (Step ST506-1).
  • step ST507 indicates whether the user has changed the power saving driving support sound type by operating the acoustic unit 16.
  • the acoustic unit 16 inquires of the user whether or not to use favorite music in the subsequent step ST508.
  • the sound unit 16 notifies the power saving operation support apparatus 1 to that effect.
  • the user music unit 111 of the power saving driving support device 1 reads out the music data selected by the user from the memories 116 and 117, and tempo the music data according to fluctuations in power consumption or regenerative power.
  • the acoustic unit 16 outputs the music data from the in-vehicle speaker 18 as a power saving driving support sound (step ST508-2).
  • the acoustic unit 16 inquires of the user whether to use the built-in loop music in the next step ST509.
  • the sound unit 16 notifies the power-saving driving support device 1 to that effect.
  • the loop music unit 131 of the power saving operation support device 1 reproduces the loop music read from the ROMs 135 and 136 so that the tempo changes according to fluctuations in power consumption or regenerative power, and power saving operation is performed.
  • the sound is output to the acoustic unit 16 through the support sound output unit 190. Thereby, the acoustic unit 16 outputs the loop music as the power saving driving support sound from the in-vehicle speaker 18 (step ST509-1).
  • the sound unit 16 inquires of the user whether or not to use the engine pseudo sound in step ST510.
  • the sound unit 16 notifies the power saving operation support device 1 to that effect.
  • the simulated sound unit 161 of the power saving operation support device 1 reads out the engine simulated sound or the inverter simulated sound whose frequency and sound quality change with fluctuations in the power value of consumption or regeneration from the ROMs 165 and 166, This simulated sound is reproduced and output to the acoustic unit 16 through the power saving driving support sound output unit 190.
  • the acoustic unit 16 outputs the simulated sound from the in-vehicle speaker 18 as a power saving driving support sound (step ST510-1).
  • step ST511 it indicates whether or not the user has performed an operation to set the power saving driving support sound change mode on the acoustic unit 16. Yes.
  • the acoustic unit 16 inquires whether or not to set the optimization mode in the subsequent step ST512.
  • the sound unit 16 notifies the power saving operation support device 1 to that effect.
  • the power saving driving support sound control device 14 of the power saving driving support device 1 acquires road information from the acoustic unit 16 and controls the power saving driving support sound generating device 15 from the road information.
  • the frequency is set so that the frequency or tempo of the optimum support sound with respect to the power consumption is changed in accordance with the extracted speed limit of the travel route (step ST512-1).
  • the acoustic unit 16 outputs the power saving driving support sound from the in-vehicle speaker 18 with the change pattern set by the power saving driving support sound generating device 15.
  • the detailed support sound output operation is the same as that described with reference to FIGS.
  • the road information is set from the highest speed immediately before. That is, if the maximum speed at the time of traveling from one minute before is 90 km / h or higher, it is set as highway driving, if it is 30 km / h or higher, it is set as general road driving, and otherwise it is set as slow driving.
  • the acoustic unit 16 inquires whether or not to set the silent mode in the subsequent step ST513.
  • the sound unit 16 notifies the power saving operation support device 1 to that effect.
  • the power-saving driving support sound control device 14 of the power-saving driving support device 1 controls the power-saving driving support sound generation device 15 so that the ideal power consumption and effective regenerative power can be obtained.
  • the power saving operation support sound is set to be muted (step ST513-1).
  • the acoustic unit 16 outputs the power saving driving support sound from the in-vehicle speaker 18 with the change pattern set by the power saving driving support sound generating device 15.
  • the detailed support sound output operation is the same as that described with reference to FIGS.
  • the acoustic unit 16 inquires whether or not to set the multi-music mode in the subsequent step ST514.
  • the sound unit 16 inquires of the user whether or not to use favorite music (music specified by the user).
  • the sound unit 16 notifies the power-saving driving support device 1 to that effect.
  • the power saving driving support sound control device 14 of the power saving driving support device 1 controls the user music unit 111 to support according to the power consumption or regenerative power status and the magnitude of the power value. It is set so that the sound changes (switching of support sound music) (step ST515-3).
  • the detailed support sound output operation at this time is the same as the contents described in FIGS. 15 and 16.
  • the acoustic unit 16 notifies the power saving operation support apparatus 1 that the loop music is used (step ST515-2).
  • the power saving driving support sound control device 14 controls the loop music unit 131 so that the support sound (loop music) changes according to the consumption or regeneration state and the magnitude of the power value. (Step ST515-3).
  • the sound unit 16 inquires whether or not to set the normal mode in step ST516.
  • the sound unit 16 notifies the power saving operation support device 1 to that effect.
  • the power saving driving support sound control device 14 controls the power saving driving support sound generating device 15 so that the frequency and tempo of the support sound change in proportion to the power consumption or the magnitude of the regenerative power. (STEP ST516-1).
  • the detailed output operation of the support sound at this time is the same as that described with reference to FIGS. Thereby, the acoustic unit 16 outputs the power saving driving support sound set from the power saving driving support sound generating device 15 from the in-vehicle speaker 18.
  • FIGS. 19 and 20 are flowcharts showing the flow of operation by the power-saving driving support sound control device.
  • the flow of the operation by the power saving driving support sound control device 14 is connected to the flowchart of FIG. 20 from the flowchart of FIG.
  • the processing shown in the flowchart of FIG. 19 mainly shows the initial setting processing portion, and in the subsequent flowchart of FIG. 20, task processing for changing the setting one by one is performed every time a new setting is made. Shows the part.
  • the H-CAN receiving unit 101 acquires navigation / audio cooperation information from the acoustic unit 16 through the H-CAN and stores it in the navigation / audio cooperation information storage unit 103.
  • the acoustic control unit 105 reads the cooperation information stored in the navigation / audio cooperation information storage unit 103 and confirms the content (step ST551).
  • the navigation / audio linkage information is setting information for the power-saving driving support device 1, and includes, for example, information indicating a telephone call state using the telephone unit 19 and contents operated by the acoustic unit 16. It is. Branch processing is performed based on this cooperation information.
  • the acoustic control unit 105 determines whether or not the power saving driving support sound can be output based on the content of the linkage information (step ST552). When it is possible to output a power-saving driving support sound from the linkage information, when the optimization mode is subsequently selected in Step ST553, the acoustic control unit 105 sets the optimization mode in the setting information memory 106 (Step S553). ST553-1).
  • the acoustic control unit 105 sets the silent mode in the setting information memory 106 (step ST554-1).
  • step ST555 When the multi music mode is selected (step ST555), the acoustic control unit 105 sets the multi music mode in the setting information memory 106 (step ST555-1). If no change mode is selected, acoustic control unit 105 sets the normal mode in setting information memory 106 (step ST555-2).
  • the acoustic control unit 105 extracts information indicating the speed limit of the road on which the vehicle is traveling from the cooperation information acquired in step ST551, and the traveling course is an expressway from the information indicating the speed limit. It is determined whether or not there is (step ST556). If it is determined that the road is an expressway, the acoustic control unit 105 sets in the setting information memory 106 that the motorway is being driven (step ST556-1).
  • the acoustic control unit 105 determines whether or not the traveling course speed limit is 30 km / h or less from the information indicating the speed limit (step ST557). If it determines with it being 30 km / h or less, the acoustic control part 105 will set that it is carrying out slow driving in the setting information memory 106 (step ST557-1). If it exceeds 30 km / h, the sound control unit 105 sets in the setting information memory 106 that the general road is being driven (step ST557-2).
  • the acoustic control unit 105 determines whether or not the power saving driving support sound is music specified by the user from the cooperation information acquired in Step ST551 (Step ST558).
  • the sound control unit 105 activates the user music control unit 112 in the user music unit 111, and changes the support sound (user-specified music) change mode,
  • the travel course information indicating the speed limit of the traveling road is transmitted to the user music control unit 112 (step ST558-1).
  • the acoustic control unit 105 sends an instruction to the power saving driving support sound output unit 190 to output the support sound from the user music unit 111 (step ST558- 2).
  • the acoustic control unit 105 determines whether or not the power saving driving support sound is loop music from the cooperation information acquired in step ST551 (step ST559). ). If it is determined that the power saving driving support sound is loop music, the acoustic control unit 105 activates the loop music control unit 132 in the loop music unit 131 and is running in the change mode of the support sound (loop music). The travel course information indicating the speed limit on the road is transmitted to the loop music control unit 132 (step ST559-1). After that, after confirming the activation of the loop music control unit 132, the acoustic control unit 105 sends an instruction to the power saving driving support sound output unit 190 to output the support sound from the loop music unit 131 (step ST559- 2).
  • the acoustic control unit 105 activates the pseudo-sound control unit 162 in the pseudo-sound unit 161, and changes the support sound (pseudo-sound) change mode. Then, the traveling course information indicating the speed limit of the traveling road is transmitted to the pseudo sound control unit 162 (step ST559-3). After that, after confirming the activation of the pseudo sound control unit 162, the acoustic control unit 105 sends an instruction to the power saving driving support sound output unit 190 to output the support sound from the pseudo sound unit 161 (step ST559- 4).
  • FIG. 20 shows task processing.
  • the H-CAN receiving unit 101 acquires navigation / audio cooperation information from the acoustic unit 16 through the H-CAN at regular intervals, and stores the navigation / audio cooperation information storage unit 103.
  • the acoustic control unit 105 reads the cooperation information stored in the navigation / audio cooperation information storage unit 103 and confirms the content (step ST571). Subsequent branch processing is performed based on this linkage information.
  • the acoustic control unit 105 checks whether or not the content of the cooperation information is different from the existing content set in the setting information memory 106 (step ST572). If different from the content of the setting information memory 106, the sound control unit 105 resets the content of the cooperation information obtained in step ST571 in the setting information memory 106, and changes the output operation of the support sound.
  • the acoustic control unit 105 determines whether or not the content of the linkage information specifies a change in whether or not the power saving driving support sound can be output (step ST573). If the content specifies the change of output permission / inhibition, the sound control unit 105 determines whether power saving driving support sound can be output from the linkage information (step ST573-1). If the output is possible, acoustic control section 105 validates the output of the power saving driving support sound (step ST573-2). If the output is not possible, the acoustic control unit 105 disables the output of the power saving driving support sound (step ST573-3).
  • the acoustic control part 105 will determine whether the content of the said cooperation information designates the change of the kind of power saving driving assistance sound (Ste ST574). In the case where the content specifies the change of the type of the support sound, the acoustic control unit 105 determines whether or not the type of music to be changed is user-specified music from the cooperation information (step ST574-1). ). Here, in the case of music specified by the user, the sound control unit 105 transmits an activation instruction to the user music control unit 112 (step ST574-2).
  • the sound control unit 105 determines whether or not the type of music to be changed is loop music from the linkage information (step ST574-3). Here, in the case of loop music, the acoustic control unit 105 transmits an activation instruction to the loop music control unit 132 (step ST574-4). If it is not loop music, the sound control unit 105 transmits an activation instruction to the pseudo sound control unit 162 (step ST574-5).
  • the acoustic control unit 105 activates the control unit 112, 132, 162 that transmitted the activation instruction in the immediately preceding step. Is confirmed (step ST575). Thereafter, the acoustic control unit 105 instructs the power saving driving support sound output unit 190 to output the support sound (the support sound after the change) that is output-controlled by the control unit that has been confirmed to be activated in step ST575. Transmit (step ST576). As a result, the changed support sound is output via the acoustic unit 16. At this time, the acoustic control unit 105 transmits a stop instruction to the control unit that controls the output of the support sound before the change, and stops the control unit (step ST577).
  • the acoustic control part 105 will specify whether the content of the said cooperation information designates the change mode of the output operation
  • the acoustic control unit 105 determines whether or not the change mode to be changed is the optimization mode from the cooperation information (step ST578-1). ).
  • the acoustic control unit 105 sets the optimization mode for the currently activated control unit among the user music control unit 112, the loop music control unit 132, and the pseudo sound control unit 161. Information is transmitted and the output of the support sound is controlled in the optimization mode (step ST578-2).
  • the acoustic control unit 105 determines whether or not the change mode to be changed is the silent mode from the linkage information (step ST578-3).
  • the acoustic control unit 105 sends the silent mode setting information to the currently activated control unit among the user music control unit 112, the loop music control unit 132, and the pseudo sound control unit 161. Then, the output of the support sound is controlled in the silent mode (step ST578-4).
  • the acoustic control unit 105 determines whether or not the change mode to be changed is a multi-music mode from the above-described cooperation information (step ST578-5). .
  • the acoustic control unit 105 sets the setting information of the multi-music mode for the currently activated control unit among the user music control unit 112, the loop music control unit 132, and the pseudo sound control unit 161. To output the support sound in the multi-music mode (step ST578-6).
  • the acoustic control unit 105 transmits the normal mode setting information to the currently activated control unit among the user music control unit 112, the loop music control unit 132, and the pseudo sound control unit 161. Then, the output of the support sound is controlled in the normal mode (step ST578-7).
  • the acoustic control unit 105 determines whether or not the content of the cooperation information designates the change of the traveling course of the own vehicle (Ste ST579).
  • the acoustic control unit 105 determines from the linkage information whether the traveling course to be changed is an expressway (step ST579-1).
  • the acoustic control unit 105 sets the setting information of the highway driving for the currently activated control unit among the user music control unit 112, the loop music control unit 132, and the pseudo sound control unit 161.
  • acoustic control unit 105 determines whether or not the speed limit of the traveling course to be changed is 30 km / h or less (step ST579-3). When the speed limit of the travel course to be changed is 30 km / h or less, the acoustic control unit 105 sets the currently activated control unit among the user music control unit 112, the loop music control unit 132, and the pseudo sound control unit 161. On the other hand, the setting information for slow driving is transmitted, and the output of the support sound is controlled based on the setting information for slow driving (step ST579-4).
  • the acoustic control unit 105 When the speed limit of the travel course to be changed exceeds 30 km / h, the acoustic control unit 105 performs control for the currently activated control unit among the user music control unit 112, the loop music control unit 132, and the pseudo sound control unit 161. Then, the general road driving setting information is transmitted, and the output of the support sound is controlled based on the general road driving setting information (step ST579-5).
  • the acoustic control unit 105 sets the changed setting information in the setting information memory 106 (step ST580).
  • the B-CAN receiving unit 102 obtains information indicating the consumption or regeneration state and its power value intercepted from the electric vehicle 2 side in a loop at regular intervals, and stores the information in the consumption / regenerative power information storage unit 104. To do.
  • the acoustic control unit 105 confirms the information indicating the consumption or regeneration state and the power value read from the consumption / regenerative power information storage unit 104 (step ST581). Subsequently, the acoustic control unit 105 transmits information indicating the consumption or regeneration state read from the consumption / regenerative power information storage unit 104 and the power value thereof to the power saving driving support sound generator 15 (step ST582).
  • the acoustic control unit 105 performs a Wait process at regular intervals (step ST583).
  • the processing returns to step ST571 again.
  • the interval at which the navigation / audio cooperation information in step ST571 and the information indicating the state of consumption or regeneration and the power value in step ST581 are acquired by the wait process in step ST583 is a fixed time (10 ms interval). Adjusted. This is because the navigation / audio cooperation information and the information indicating the consumption or regeneration state and the power value thereof are updated at regular intervals, so that they are read only once at regular intervals. Thereby, the updated data can always be read, and processing waste can be reduced.
  • FIG. 21 is a flowchart showing the flow of the operation of the power saving driving support sound generator.
  • the power saving driving support sound generation device 15 receives control information from the power saving driving support sound control device 14 (step ST601). Based on this control information, the following branch process is executed.
  • the user music control unit 112 determines whether or not the control information received from the power saving driving support sound control device 14 is a content that instructs activation of the user music control unit 112 (step ST602). Here, if the content instructs the activation of the user music control unit 112, the user music control unit 112 is activated in accordance with the control information (step ST602-1). Subsequently, the user music control unit 112 extracts information regarding the change mode of the output operation of the support sound and the traveling course of the own vehicle from the control information, and sets the information in the control information memory 113 (step ST602-2). Thereafter, the user music control unit 112 transmits its activation confirmation to the power saving driving support sound control device 14 (step ST602-3).
  • the loop music control unit 131 determines whether or not the control information received from the power saving driving support sound control device 14 is a content for instructing activation of the loop music control unit 131 (step ST603). Here, if the content is an instruction to activate the loop music control unit 131, the loop music control unit 131 is activated in accordance with this control information (step ST603-1). Subsequently, the loop music control unit 131 extracts information regarding the change mode of the support sound output operation and the traveling course of the own vehicle from the control information, and sets the information in the control information memory 133 (step ST603-2). Thereafter, the loop music control unit 131 transmits its activation confirmation to the power saving driving support sound control device 14 (step ST603-3).
  • the simulated sound control unit 161 determines whether or not the control information received from the power saving driving support sound control device 14 is a content that instructs activation of the simulated sound control unit 161 (step ST604).
  • the content specifies the activation of the pseudo sound control unit 161
  • the pseudo sound control unit 161 is activated in accordance with this control information (step ST604-1).
  • the pseudo sound control unit 161 extracts information regarding the change mode of the output operation of the support sound and the traveling course of the own vehicle from the control information, and sets the information in the control information memory 163 (step ST602-2). Thereafter, the pseudo sound control unit 161 transmits its activation confirmation to the power saving driving support sound control device 14 (step ST604-3).
  • the user music control unit 112 determines whether or not the control information received from the power saving driving support sound control device 14 is a content that instructs the user music control unit 112 to stop the output control of the support sound (Ste ST605). If it is instructed to stop the output control of the support sound, the user music control unit 112 stops the output control of the support sound according to this control information (step ST605-1). Thereafter, user music control section 112 transmits its own stop confirmation to power saving driving support sound control device 14 (step ST605-2).
  • the loop music control unit 131 determines whether or not the control information received from the power saving driving support sound control device 14 is a content that instructs the loop music control unit 131 to stop the output control of the support sound (step ST606). ). Here, if it is instructed to stop the output control of the support sound, the loop music control unit 131 stops the output control of the support sound according to this control information (step ST606-1). Thereafter, loop music control section 131 transmits its own stop confirmation to power saving driving support sound control device 14 (step ST606-2).
  • the pseudo sound control unit 161 determines whether or not the control information received from the power saving driving support sound control device 14 is a content that instructs the pseudo sound control unit 161 to stop the output control of the support sound (step ST607). ). Here, when instructed to stop the output control of the support sound, according to this control information, the pseudo sound control unit 161 stops the output control of the support sound (step ST607-1). Thereafter, the pseudo sound control unit 161 transmits its own stop confirmation to the power saving operation support sound control device 14 (step ST607-2).
  • the power saving driving support sound output unit 190 determines whether or not the control information from the power saving driving support sound control device 14 is an instruction related to the output of the support sound (step ST608).
  • the instruction is related to the output of the support sound
  • the power saving driving support sound output unit 190 determines whether or not the content is an instruction to output the music specified by the user (step ST609).
  • the power-saving driving assistance sound output unit 190 inputs the user-designated music data from the user music unit 111 and outputs it to the acoustic unit 16 (step ST609-1). .
  • the user-specified music is output by the acoustic unit 16 via the in-vehicle speaker 18.
  • the power-saving driving support sound output unit 190 determines whether or not the control information is a content for instructing output of loop music (step ST610). Here, if it is an instruction to output loop music, the power saving driving support sound output unit 190 inputs the loop music data from the loop music unit 131 and outputs it to the acoustic unit 16 (step ST610-1). Thereby, loop music is output by the acoustic unit 16 via the in-vehicle speaker 18.
  • the power-saving driving assistance sound output unit 190 determines whether or not the control information is a content for instructing the output of a simulated sound (step) ST611). Here, if it is a pseudo sound output instruction, the power saving driving support sound output unit 190 receives the pseudo sound data from the pseudo sound unit 161 and outputs the pseudo sound data to the acoustic unit 16 (step ST611-1). Thereby, a pseudo sound is output by the acoustic unit 16 via the in-vehicle speaker 18.
  • the power saving driving support sound output unit 190 currently outputs the support sound data to the acoustic unit 16. Stop (step ST611-2).
  • the control unit that controls the output of the current support sound is control information from the power saving driving support sound control device 14. It is determined whether or not the content is to change the change mode of the support sound output operation (step ST612).
  • the control information is a content for changing the change mode of the output operation of the support sound
  • the corresponding support sound control unit updates the existing content of the control information memory with the content regarding the change mode of the control information. Thus, a new change mode is set (step ST612-1).
  • the control unit corresponding to the support sound currently being output includes control information from the power saving driving support sound control device 14. It is determined whether or not the content is to change the traveling course of the car (step ST613).
  • the control information is a content to change the travel course
  • the corresponding support sound control unit updates the existing content of the control information memory with the content related to the travel course of the control information, and creates a new travel course. Set (step ST613-1).
  • step ST614 the power saving driving support sound generation device 15 performs a Wait process at regular time intervals.
  • the processing returns to step ST601 again.
  • the interval for acquiring the control information from the power saving driving support sound control device 14 in step ST601 is adjusted to be a fixed time (10 ms interval). This is because the control information from the power-saving driving support sound control device 14 is updated at regular intervals, so that it is read only once at regular intervals. Thereby, the updated data can always be read, and processing waste can be reduced.
  • FIGS. 22 to 25 are flowcharts showing the flow of operations by the user music unit 111 and the loop music unit 131 in the power saving driving support sound generation device 15. is there.
  • the operation flow of the user music unit 111 and the loop music unit 131 is changed from the flowchart of FIG. 22 to the flowchart of FIG. 24 via the connection point 3, and the process transitions.
  • the process transitions from the flowchart to the flowchart of FIG.
  • the connection point R2 in the flowchart in FIG. 22 and the connection point R2 in the flowchart in FIG. 25 are connected, and the flow loops.
  • FIG. 23 is a flowchart showing details of the music reading process in FIGS. 22 and 24.
  • the configuration of the user music unit 111 and the loop music unit 131 will be referred to FIG.
  • the user / loop music control units 112 and 132 receive information indicating the consumption or regeneration state of the vehicle and its power value from the acoustic control unit 105 of the power saving driving support sound control device 14 (step ST651). . Subsequently, the user / loop music control units 112 and 132 read information indicating the change mode of the support sound output operation and the traveling course of the own vehicle from the control information memories 113 and 133 (step ST652). Based on these pieces of information, subsequent branch processing is executed.
  • step ST653 the user / loop music control sections 112 and 132 determine whether or not the change mode read from the control information memories 113 and 133 is the normal mode.
  • the change mode is the normal mode
  • the user / loop music control units 112 and 132 control the music playback units 115 and 134 to change the support sound output operation change mode to the normal mode, thereby consuming
  • the music data for sound or the music data for regenerative sound is read (step ST654). The details of the music reading process will be described below with reference to FIG.
  • the user / loop music control unit 112, 132 is based on the information indicating the consumption or regeneration state of the vehicle and the power value received from the acoustic control unit 105 of the power saving driving support sound control device 14. Is in a power regeneration state (step ST654-1). If the vehicle is in the power regeneration state at this time, the user / loop music control units 112 and 132 control the music playback units 115 and 134 to read the music data for regenerative sound (step ST654-2). On the other hand, if the vehicle is in a power consumption state, user / loop music control sections 112 and 132 control music playback sections 115 and 134 to read music data for consumed sound (step ST654-3).
  • the tempo changing units 118 and 137 sequentially input information indicating the consumption or regeneration state of the vehicle and the power value thereof from the user / loop music control units 112 and 132, and based on this information, the current consumption of the vehicle. Or the electric power value of regeneration is grasped
  • the music reproducing units 115 and 134 reproduce the music data read in step ST654 in synchronization with the reproduction timing instructed from the tempo changing units 118 and 137 (step ST655). Thereby, the reproduction speed of the music data is changed according to the power value, and is adjusted to the music tempo according to the power value.
  • the pitch adjustment units 119 and 138 input music reproduced by the music reproduction units 115 and 134 in synchronization with the reproduction timing instructed from the tempo change units 118 and 137, and the pitch is adjusted so that the music becomes a natural sound. Adjust (step ST656).
  • the volume adjusters 120 and 139 sequentially input information indicating the consumption or regeneration state of the vehicle and the power value thereof from the user / loop music control units 112 and 132, and the current consumption or regeneration power of the vehicle.
  • the volume of the music data is adjusted according to the power value (step ST657).
  • the user / loop music control units 112 and 132 determine whether or not the change mode read from the control information memories 113 and 133 is the optimization mode (step ST658). .
  • the change mode is the optimization mode
  • the user / loop music control units 112 and 132 control the music playback units 115 and 134 to set the change mode of the output operation of the support sound to the optimization mode.
  • the music data for consumption sound or the music data for regenerative sound is read (step ST659). The details of the music reading process are the same as those described with reference to FIG.
  • the user / loop music control units 112 and 132 refer to the speed limit of the road on which the current vehicle is traveling based on the information indicating the traveling course of the vehicle read from the control information memories 113 and 133. (Step ST660).
  • the frequency or the tempo and the volume of the support sound in the optimization mode are associated with the consumption or regeneration power value of the own vehicle and the speed limit of the traveling course of the own vehicle.
  • the change characteristics (support sound change 403, low power emphasis change 403a, and high power emphasis change 403b shown in FIG. 11) are set in advance.
  • the change mode is the optimization mode
  • the user / loop music control units 112 and 132 may use the current consumption or regenerative power of the vehicle among the preset change characteristics of the frequency or tempo of the support sound and the volume.
  • the change characteristic corresponding to the value and the speed limit of the traveling course is selected, and the current change characteristic in the tempo changing units 118 and 137 and the volume adjusting units 120 and 139 is changed to the selected change characteristic (step ST661).
  • the tempo changing units 118 and 137 generate playback timings according to the current consumption of the own vehicle or the power value of regeneration according to the change characteristics set by the user / loop music control units 112 and 132. For example, in the case of the low power emphasis change 403a, the playback speed is changed so that the amount of change in the tempo of the consumed sound increases with respect to the power value fluctuation in the low power consumption range.
  • the music reproducing units 115 and 134 reproduce the music data read in step ST659 in synchronization with the reproduction timing instructed by the tempo changing units 118 and 137 (step ST662).
  • the playback speed of the music data is changed according to the current consumption or regeneration power value of the vehicle, and the music tempo is adjusted according to the power value.
  • the pitch adjusting units 119 and 138 input music reproduced by the music reproducing units 115 and 134 in synchronization with the reproduction timing instructed from the tempo changing unit 118, and adjust the pitch so that the music becomes a natural sound. (Step ST663).
  • the frequency and tempo of the support sound are changed according to the newly set change characteristic.
  • the volume adjusting units 120 and 139 When the music data adjusted by the pitch adjusting units 119 and 138 is input to the volume adjusting units 120 and 139, the current consumption or regeneration of the own vehicle according to the change characteristics set by the user / loop music control units 112 and 132.
  • the volume of the music data is adjusted according to the power value (step ST664). Thereby, the volume of the support sound is changed according to the newly set change characteristic.
  • the user / loop music control units 112 and 132 determine whether or not the change mode read from the control information memories 113 and 133 is the silent mode (step ST665). .
  • the change mode is the silent mode
  • the user / loop music control units 112 and 132 control the music playback units 115 and 134 so as to set the change mode of the output operation of the support sound to the silent mode.
  • the music data for sound or the music data for regenerative sound is read (step ST666). The details of the music reading process are the same as those described with reference to FIG.
  • the tempo changing units 118 and 137 determine the current consumption or regeneration power value of the vehicle based on information indicating the consumption or regeneration state of the vehicle and the power value from the user / loop music control units 112 and 132, respectively. Recognize and generate a reproduction timing according to the power value.
  • the music playback units 115 and 134 play the music data read in step ST666 in synchronization with the playback timing instructed by the tempo change units 118 and 137 (step ST667). Thereby, the reproduction speed of the music data is changed according to the power value, and is adjusted to the music tempo according to the power value.
  • the pitch adjusting units 119 and 138 input music reproduced by the music reproducing units 115 and 134 in synchronization with the reproduction timing instructed from the tempo changing unit 118, and adjust the pitch so that the music becomes a natural sound. (Step ST668).
  • the user / loop music control units 112 and 132 have, as control data used in the silent mode, a power consumption value range and a regenerative power value range (in which the support sound is muted in association with the speed limit of the traveling course of the vehicle).
  • the consumption-side silence threshold value 443 and the regeneration-side silence threshold value 444) shown in FIG. 13 are set in advance.
  • the user / loop music control units 112 and 132 refer to the current speed limit of the traveling course of the own vehicle from the information indicating the traveling course of the own vehicle read from the control information memories 113 and 133 (step ST669).
  • the consumption-side silence threshold value 443 and the regeneration-side silence threshold value 444 corresponding to the speed limit of the traveling course of the host vehicle are selected and set in the volume adjustment units 120 and 139 (step ST670).
  • the volume adjustment units 120 and 139 The volume of the music data input from 138 is muted (step ST671). Thereby, when the electric power value by consumption or regeneration of the own vehicle is within the mute power value range determined by the current speed limit of the traveling course of the own vehicle, the volume is adjusted so that the support sound disappears.
  • the user / loop music control units 112 and 132 determine whether or not the change mode read from the control information memories 113 and 133 is the multi-music mode (step ST672). . It should be noted that the user / loop music control units 112 and 132 have power value ranges in which a plurality of music should be reproduced as control data used in the multi-music mode in association with the consumption or regeneration power value of the vehicle (see FIG. The music playback range at the time of ultra high power consumption, the music playback range at the time of high power consumption, the music playback range at the ideal power consumption, the music playback range at the time of low regenerative power, and the high effect Music reproduction range during regenerative power) is set in advance.
  • step ST672 If it is determined in step ST672 that the change mode is the multi-music mode, the user / loop music control units 112 and 132 obtain the current power consumption value of the own vehicle and each power value range corresponding to the reproduction range. In comparison, it is determined whether or not it is within the music playback range at the time of ultra-high power consumption (step ST673).
  • the music playback range is at the time of ultra-high power consumption, the user / loop music control units 112 and 132 need to transition the music by increasing or decreasing the power value.
  • the music playback units 115 and 134 are controlled so as to read music data in the playback range adjacent to this playback range.
  • the music playback units 115 and 134 read the music data in the playback range at the time of ultra-high power consumption designated from the user / loop music control units 112 and 132 into the player A as music data for consumption sound (step ST673-1). ).
  • music playback sections 115 and 134 read music data in a playback range adjacent to the playback range at the time of ultra-high power consumption into playback device B (step ST673-2).
  • music data in the reproduction range at the time of high power consumption is read.
  • step ST673 when the current power consumption value of the own vehicle is not the music reproduction range at the time of ultra-high power consumption, the user / loop music control units 112 and 132 determine the current power consumption value of the own vehicle and the reproduction range. Are compared with the respective power value ranges corresponding to, it is determined whether or not it is the music playback range at the time of high power consumption (step ST674).
  • the user / loop music control units 112 and 132 perform music so as to read the music data of the playback range with high power consumption and the music data of the adjacent playback range.
  • the playback units 115 and 134 are controlled.
  • the music playback units 115 and 134 read the music data in the playback range at the time of high power consumption designated by the user / loop music control units 112 and 132 into the playback device A as music data for consumption sound (step ST674-1). .
  • music playback sections 115 and 134 read music data in a playback range adjacent to the playback range at the time of high power consumption into playback devices B and C (step ST674-2).
  • music data in the reproduction range at the time of ultra-high power consumption and music data in the reproduction range at the ideal power consumption are read.
  • step ST674 when the current power consumption value of the vehicle is not the music playback range at the time of high power consumption, the user / loop music control units 112 and 132 set the current power consumption value of the vehicle and the playback range. The corresponding power value ranges are compared with each other to determine whether or not the music playback range is at the ideal power consumption (step ST675).
  • the user / loop music control units 112 and 132 read the music data in the playback range at the ideal power consumption and the music data in the adjacent playback range.
  • the playback units 115 and 134 are controlled.
  • the music playback units 115 and 134 read the music data in the playback range at the ideal power consumption designated from the user / loop music control units 112 and 132 into the playback device A as music data for consumed sound (step ST675-1). .
  • the music playback units 115 and 134 read the music data in the playback range adjacent to the playback range at the ideal power consumption into the playback devices B and C (step ST675-2).
  • music data in the reproduction range at the time of high power consumption and music data in the reproduction range at the time of low effect regenerative power are read.
  • step ST675 when the current regenerative power value of the own vehicle is not the music reproduction range at the ideal power consumption, the user / loop music control units 112 and 132 determine the current regeneration power value of the own vehicle and the reproduction range. Are compared with the respective power value ranges corresponding to, it is determined whether or not the music playback range is at the time of low-efficiency regenerative power (step ST676).
  • the user / loop music control units 112 and 132 receive the music data of the playback range at the time of low regenerative power and the music data of the adjacent playback range.
  • the music playback units 115 and 134 are controlled to read.
  • the music playback units 115 and 134 read the music data in the playback range at the time of low-efficiency regenerative power designated by the user / loop music control units 112 and 132 into the playback device A as music data for regenerative sound (step ST676- 1).
  • the music playback units 115 and 134 read the music data in the playback range adjacent to the playback range at the time of low-efficiency regenerative power into the playback devices B and C (step ST676-2).
  • the music data in the reproduction range at the ideal power consumption and the music data in the reproduction range at the high effect regenerative power are read.
  • step ST676 when the current regenerative power value of the own vehicle is not the music reproduction range at the time of the low regenerative power, the user / loop music control units 112 and 132 determine the current regenerative power value of the own vehicle and the above-described power value. Each power value range corresponding to the reproduction range is compared to determine whether or not it is a music reproduction range at the time of highly effective regenerative power (step ST677).
  • the user / loop music control units 112 and 132 store the music data of the playback range at the time of highly effective regenerative power and the music data of the adjacent playback range.
  • the music playback units 115 and 134 are controlled to read.
  • the music playback units 115 and 134 read the music data in the playback range at the time of high-efficiency regenerative power designated by the user / loop music control units 112 and 132 into the playback device A as music data for regenerative sound (step ST677- 1).
  • music playback sections 115 and 134 read music data in a playback range adjacent to the playback range at the time of highly effective regenerative power into playback device B (step ST677-2).
  • music data in the reproduction range at the time of low regenerative power is read.
  • the user / loop music control sections 112 and 132 determine whether or not the current consumption or regenerative power value of the vehicle is a value corresponding to the vicinity of the boundaries of the above-described reproduction ranges (step ST678). ). Specifically, it is determined whether or not the value is within the reproduction range 468 of the mixed sound shown in FIG.
  • the user / loop music control units 112 and 132 only receive the music data read into the reproduction apparatus A. An instruction is transmitted to the music playback units 115 and 134 to play back.
  • the music playback units 115 and 134 play back the music data read into the player A (step ST679).
  • Volume adjusting sections 120 and 139 adjust the volume of the reproduced music data according to the current consumption of the vehicle or the power value of regeneration (step ST680).
  • step ST678 if it is determined in step ST678 that the current consumption or regenerative power value of the vehicle is a value corresponding to the boundary of each reproduction range, the user / loop music control units 112 and 132 read the reproduction apparatus A. An instruction is transmitted to the music playback units 115 and 134 so as to play back the music data and the music data read into the player B or the music data read into the player C. Further, the user / loop music control units 112 and 132 adjust the volume of each music according to the closeness to the value corresponding to the boundary of the reproduction range and the magnitude of the current consumption or regeneration power value of the vehicle. An instruction is transmitted to the volume adjusting units 120 and 139 so as to adjust.
  • the music playback units 115 and 134 receive the music data read into the player A and the music data read into the player B, or further read into the player C.
  • Music data is reproduced (step ST681).
  • the volume adjuster A is the player A in accordance with the closeness to the value corresponding to the boundary of the playback range and the magnitude of the current consumption or regeneration power value of the vehicle. If the volume of the reproduced music data is adjusted, the volume adjuster B adjusts the volume of the music data reproduced by the player B, and if the player C is playing the music data, the volume adjuster C However, the volume of the music data reproduced by the player C is adjusted (step ST682).
  • the current power consumption value of the vehicle is within the mixed sound reproduction range 468 in which the music reproduction range 464 at high power consumption and the music reproduction range 465 at ideal power consumption overlap as shown in FIG. If there is a value close to the boundary in the playback range 465 corresponding to the bottom of the playback range 464, the volume of music in the playback range 465 is larger than the volume of music in the playback range 464. adjust.
  • the mixer 250 of the volume adjusters 120 and 139 receives music whose volume has been adjusted by the volume adjuster A and music whose volume has been adjusted by the volume adjuster B, or music whose volume has been adjusted by the volume adjuster C. It mixes and outputs to the power saving driving assistance sound output part 190 (step ST683).
  • step ST672 If it is determined in step ST672 that the change mode is not the multi-music mode, the user / loop music control units 112 and 132 perform a wait process at regular intervals (step ST684). When the process wait is canceled after a certain time has elapsed, the process returns to step ST651 again. Note that, by the wait process in step ST684, the interval at which information indicating the consumption or regeneration state and the power value in step ST651 is acquired is adjusted to be a fixed time (10 ms interval). This is because information indicating the state of consumption or regeneration and its power value is updated at regular intervals, so that it is read only once at regular intervals. Thereby, the updated data can always be read, and processing waste can be reduced.
  • the user music unit 111 and the loop music unit 131 operate as described above, so that the user can select and generate a sound including music according to the user's preference instead of a simulated car sound. Therefore, it is possible to realize a power saving driving support sound that is less troublesome.
  • FIGS. 26 to 28 are flowcharts showing a flow of operation by the pseudo-sound unit 161 in the power saving driving support sound generator 15.
  • FIG. The operation flow of the pseudo sound unit 161 is connected to the flowchart of FIG. 27 from the flowchart of FIG. Also, the connection point R4 in the flowchart of FIG. 26 and the connection point R4 in the flowchart of FIG. 27 are connected, and the flow loops.
  • FIG. 28 is a flowchart showing details of the pseudo sound material reading process in FIGS. 26 and 27. In the following description, the configuration of the pseudo sound unit 161 is referred to FIG.
  • the pseudo sound control unit 162 receives information indicating the consumption or regeneration state of the vehicle and its power value from the acoustic control unit 105 of the power saving driving support sound control device 14 (step ST704). Subsequently, the pseudo sound control unit 162 reads information indicating the change mode of the output operation of the support sound and the traveling course of the host vehicle from the control information memory 163 (step ST705). Based on these pieces of information, subsequent branch processing is executed.
  • the pseudo sound control unit 162 determines whether or not the change mode read from the control information memory 163 is the normal mode. On the other hand, the pseudo sound control unit 162 associates the vehicle consumption or regeneration power value with the pseudo sound material use range (the material use range 311 of the high-speed engine sound shown in FIG. 8, medium speed). A material use range 312 for rotating engine sound, a material use range 313 for low-speed engine sound, and an inverter simulated sound material use range 314) are preset. When the change mode is the normal mode, the pseudo sound control unit 162 selects a material use range corresponding to the current consumption or regeneration power value of the own vehicle from the preset pseudo sound material use range.
  • the pseudo sound reproduction unit 164 is controlled so as to read the pseudo sound material in the material use range.
  • the reproducing device a and the reproducing device b or the reproducing device c in the simulated sound reproduction unit 164 convert the simulated sound material in the material usage range specified by the simulated sound control unit 162 into the simulated sound data for consumption sound or the simulated reproduction sound. It reads as sound data (step ST707). Details of the process of reading the pseudo sound material will be described later with reference to FIG.
  • the reproduction speed control unit 167 associates with the consumption or regeneration power value of the own vehicle to reproduce the pseudo sound reproduction speed (consumption pseudo sound reproduction speeds 321 to 323 and regenerative pseudo sound reproduction speed 324 shown in FIG. ) Is preset.
  • the reproduction speed control unit 167 sequentially inputs information indicating the consumption or regeneration state of the own vehicle and the power value thereof from the pseudo sound control unit 162, and based on this information, the current consumption or regeneration power value of the own vehicle is determined.
  • the playback speed corresponding to this power value is selected from the preset playback speeds of the pseudo sounds.
  • the playback device a and the playback device b or the playback device c in the simulated sound playback unit 164 play the simulated sound material read in step ST707 at the playback speed instructed by the playback speed control unit 167 (step ST708). Thereby, the pseudo sound material is reproduced so as to have a frequency corresponding to the power value.
  • the volume adjusting unit 168 sequentially inputs information indicating the consumption or regeneration state of the vehicle and its power value from the pseudo sound control unit 162, and grasps the current consumption or regeneration power value of the vehicle, When the simulated sound data reproduced by the playback device a and the playback device b or the playback device c in the simulated sound playback unit 164 is input, the volume of the simulated sound data is adjusted according to the power value (step ST709).
  • the mixer 251 of the volume controller 168 mixes the music whose volume is adjusted by the volume controller a and the music whose volume is adjusted by the volume controller b, or music whose volume is adjusted by the volume controller c.
  • the power saving driving support sound output unit 190 step ST710.
  • step ST706 If it is determined in step ST706 that the change mode is not the normal mode, the pseudo sound control unit 162 determines whether or not the change mode is the multi-music mode (step ST711). Here, even if the change mode is the multi-music mode, the pseudo-sound unit 161 cannot output a support sound in the multi-music mode, and thus the normal mode process described above is executed.
  • the pseudo sound control unit 162 determines whether or not the change mode is the optimization mode (step ST712).
  • the change mode is the optimization mode
  • the pseudo sound control unit 162 uses the material corresponding to the current consumption or regenerative power value of the vehicle within the preset material use range of the pseudo sound. The range is selected, and the pseudo sound reproduction unit 164 is controlled to read the pseudo sound material in the material use range.
  • the playback device a and the playback device b or the playback device c in the simulated sound playback unit 164 convert the simulated sound material in the material usage range designated by the simulated sound control unit 162 into simulated sound data for consumption sound or simulated playback sound. It reads as sound data (step ST713). This pseudo sound material reading process is the same as in step ST707.
  • the pseudo sound control unit 162 refers to the speed limit of the road on which the current vehicle is traveling based on the information indicating the traveling course of the own vehicle read from the control information memory 163 (step ST714).
  • the pseudo-sound control unit 162 associates the consumption or regenerative power value of the own vehicle and the speed limit of the traveling course of the own vehicle with the change characteristics of the frequency or tempo of the support sound and the volume in the optimization mode (see FIG. 11, the assist sound change 403, the low power enhancement change 403 a, and the high power enhancement change 403 b) are set in advance.
  • the change mode is the optimization mode
  • the pseudo-sound controller 162 determines the current consumption or regenerative power value of the own vehicle and the driving course among the preset change characteristics of the frequency or tempo of the support sound and the volume.
  • the change characteristic corresponding to the limit speed is selected, and the current change characteristic in the reproduction speed control unit 167 and the volume adjustment unit 168 is changed to the selected change characteristic (step ST715).
  • the reproduction speed control unit 167 responds to the current consumption of the own vehicle or the power value of the regeneration among the reproduction speeds of the pseudo sound set in advance according to the change characteristics set by the pseudo sound control unit 162. Select the playback speed of the simulated sound. For example, in the case of the low power emphasis change 403a, the reproduction speed is changed so that the amount of change in the frequency of the pseudo sound increases with respect to the power value fluctuation in the range where the power consumption is low.
  • the playback device a and the playback device b or the playback device c in the simulated sound playback unit 164 play the simulated sound material read in step ST713 at the playback speed instructed by the playback speed control unit 167 (step ST716). Thereby, the pseudo sound material is reproduced so as to have a frequency corresponding to the power value.
  • the volume adjustment unit 168 When the volume adjustment unit 168 receives the simulated sound data reproduced by the playback device a and the playback device b or the playback device c, the volume adjustment unit 168 consumes or regenerates the current vehicle according to the change characteristics set by the simulated sound control unit 162.
  • the volume of the pseudo sound data is adjusted according to the power value of (step ST717). Thereby, the volume of the pseudo sound is changed according to the newly set change characteristic.
  • the pseudo sound control unit 162 determines whether or not the change mode read from the control information memory 163 is the silent mode (step ST718).
  • the change mode is the silent mode
  • the pseudo sound control unit 162 has a material use range corresponding to the current consumption or regeneration power value of the own vehicle among the preset material use ranges of the pseudo sound.
  • the pseudo sound reproduction unit 164 is controlled so as to read the pseudo sound material in the material use range.
  • the reproducing device a and the reproducing device b or the reproducing device c in the simulated sound reproduction unit 164 convert the simulated sound material in the material usage range specified by the simulated sound control unit 162 into the simulated sound data for consumption sound or the simulated reproduction sound. It reads as sound data (step ST719).
  • This pseudo sound material reading process is the same as in step ST707.
  • the reproduction speed control unit 167 grasps the current consumption or regenerative power value of the own vehicle based on the information indicating the consumption or regeneration state of the own vehicle and the power value input from the pseudo sound control unit 162. Of the set pseudo-sound playback speeds, the playback speed corresponding to the power value is selected.
  • the playback device a and the playback device b or the playback device c in the simulated sound playback unit 164 play the simulated sound material read in step ST719 at the playback speed instructed by the playback speed control unit 167 (step ST720).
  • the pseudo sound control unit 162 includes, as control data used in the silent mode, a power consumption value range and a regenerative power value range (shown in FIG.
  • the consumption-side silence threshold value 443 and the regeneration-side silence threshold value 444) are set in advance.
  • the pseudo sound control unit 162 refers to the current speed limit of the traveling course of the subject vehicle from the information indicating the traveling course of the subject vehicle read from the control information memory 163 (step ST721), and determines the current traveling course of the subject vehicle.
  • the consumption-side silence threshold value 443 and the regeneration-side silence threshold value 444 corresponding to the speed limit are selected and set in the volume adjustment unit 168 (step ST722).
  • the volume adjuster a, the volume adjuster b, or the volume adjuster c in the volume adjuster 168 is a power value that should be muted when the current consumption or regenerative power value of the vehicle is set by the simulated sound controller 162. If it is within the range, the volume of the pseudo sound data reproduced by the player a and the player b or the player c is muted (step ST723). Thereby, when the electric power value by consumption or regeneration of the own vehicle is within the mute power value range determined by the current speed limit of the traveling course of the own vehicle, the volume is adjusted so that the pseudo sound disappears.
  • step ST718 If it is determined in step ST718 that the change mode is not the silent mode, the pseudo-sound controller 162 performs a Wait process at regular intervals (step ST724).
  • the process wait is canceled after a certain time has elapsed, the process returns to step ST704 again.
  • the wait process in step ST724 the interval at which information indicating the consumption or regeneration state and the power value in step ST704 is acquired is adjusted to be a fixed time (10 ms interval). This is because information indicating the state of consumption or regeneration and its power value is updated at regular intervals, so that it is read only once at regular intervals. Thereby, the updated data can always be read, and processing waste can be reduced.
  • the simulated sound control unit 162 is based on the current consumption of the vehicle based on the information indicating the consumption or regeneration state of the vehicle and the power value received from the acoustic control unit 105 of the power saving driving support sound control device 14. Is determined to be a power consumption value associated with an engine speed exceeding 2000 rpm (step ST730).
  • the pseudo-sound control unit 162 sets a preset pseudo-sound material usage range.
  • the material use range 311 of the engine sound of high speed rotation is selected, and the material use range 312 that overlaps the material use range 311 and the power value range is selected.
  • the pseudo sound reproduction unit 164 is controlled so as to read the engine sound of rotation and the engine sound of medium speed rotation.
  • the playback device a in the simulated sound reproduction unit 164 reads the engine sound data of high-speed rotation, which is the simulated sound material in the material usage range 311 designated by the simulated sound control unit 162, as simulated sound data for consumed sound (step ST730). -1).
  • the playback device b in the simulated sound reproducing unit 164 reads the engine sound data of medium speed rotation, which is the simulated sound material in the material usage range 312 designated by the simulated sound control unit 162, as simulated sound data for consumption sound. (Step ST730-2).
  • the pseudo-sound control unit 162 corresponds to the current engine power speed of 1000 to 2000 rpm. It is determined whether or not the power consumption value is attached (step ST731).
  • the pseudo-sound control unit 162 sets a preset pseudo-sound material usage range. Among them, the material use range 312 for medium-speed engine sound is selected, and the material use ranges 311 and 313 that overlap the material use range 312 and the power value range are selected, and these material use ranges 311, 312 and 313 are selected.
  • the pseudo sound reproduction unit 164 is controlled to read the pseudo sound material (high speed engine sound, medium speed engine sound, and low speed engine sound).
  • the playback device a in the simulated sound reproduction unit 164 reads the engine sound data of medium speed rotation, which is the simulated sound material in the material usage range 312 designated by the simulated sound control unit 162, as simulated sound data for consumed sound (step S1). ST731-1).
  • the playback device b in the simulated sound reproduction unit 164 reads high-speed engine sound data, which is a simulated sound material in the material usage range 311 designated by the simulated sound control unit 162, as simulated sound data for consumption sound,
  • the player c reads the engine sound data of the low speed rotation, which is the pseudo sound material in the material use range 313 designated from the pseudo sound control unit 162, as the pseudo sound data for consumption sound (step ST731-2).
  • step ST731 if the power consumption value is not associated with the engine speed of 1000 to 2000 rpm, the pseudo sound control unit 162 associates the current power consumption value of the vehicle with the engine speed of 0 to 1000 rpm. It is determined whether or not the power consumption value is satisfied (step ST732).
  • the pseudo sound control unit 162 sets the pre-set pseudo sound material usage range. Among them, the material usage range 313 of the low-speed rotation engine sound is selected, and the material usage range 312 that overlaps the material usage range 313 and the power value range is selected.
  • the pseudo-sound reproduction unit 164 is controlled so as to read low-speed engine sound and medium-speed engine sound.
  • the playback device a in the simulated sound reproduction unit 164 reads the engine sound data of low-speed rotation, which is the simulated sound material in the material usage range 313 specified by the simulated sound control unit 162, as simulated sound data for consumed sound (step ST732). -1).
  • the playback device b in the simulated sound reproduction unit 164 reads engine speed data of medium speed rotation, which is a simulated sound material in the material usage range 312 designated by the simulated sound control unit 162, as simulated sound data for consumed sound. (Step ST732-2).
  • the pseudo sound control unit 162 is based on the information indicating the consumption or regeneration state of the host vehicle and the power value received from the acoustic control unit 105 of the power saving driving support sound control device 14. Is determined (step ST733).
  • the pseudo sound control unit 162 selects the material use range 314 of the inverter simulated sound from the preset material use range of the pseudo sound, and this The pseudo sound reproduction unit 164 is controlled to read the pseudo sound material (inverter simulated sound) in the material use range 314.
  • the playback device a in the simulated sound reproduction unit 164 reads the inverter simulated sound data, which is the simulated sound material in the material usage range 314 specified by the simulated sound control unit 162, as the simulated sound data for regenerative sound (step ST733-1). ).
  • the frequency of the acoustic characteristics according to the measured power consumption and regenerative power due to the traveling of the electric vehicle 2 By changing at least one of the characteristic, the time characteristic, and the volume, different sounds are generated and output when the electric vehicle 2 is consuming power and during power regeneration.
  • sound can be output in real time according to the electric power consumed and regenerated while the electric vehicle 2 is running, and the driver's vision is not disturbed, and power saving driving is safely and accurately supported. can do.
  • the power saving driving support sound generator 15 generates a sound in which the frequency band is changed to a higher frequency as the measured values of the power consumption and the regenerative power are increased. It is possible to clearly notify the person that the electric power generated by driving or regenerating the electric vehicle 2 is increasing.
  • the power-saving driving assistance sound generator 15 generates a sound with faster time characteristics as the measured values of power consumption and regenerative power increase, so that the driver can hear the sound. By raising the tempo, it can be notified that the electric power by driving or regeneration is increasing.
  • the power-saving driving assistance sound generator 15 generates a sound with a reduced volume as the measured values of the power consumption and the regenerative power become small, and measures the power consumption and the regenerative power. As the value increases, a louder sound is generated, so it becomes quieter when stopped or running with less power, and it can be informed that the power by driving or regenerating is reduced, When the electric power by regeneration is large, the volume can be increased so that the amount of electric power can be clearly transmitted to the driver.
  • the power-saving driving assistance sound generator 15 changes at least one of the frequency characteristic, the time characteristic, and the volume of the acoustic characteristic as the power consumption measurement value decreases. Since the amount of change is increased and the amount of change is reduced as the measured value of power consumption increases, the difference in sound can be understood most clearly even during slow driving with low average power consumption.
  • the power saving driving support sound generation device 15 changes at least one of the frequency characteristic, the time characteristic, and the volume of the acoustic characteristic as the measured power consumption value increases. Since the amount of change is increased and the amount of change is reduced as the measured value of power consumption decreases, the change in sound can be clearly seen even when driving on an expressway with high average power consumption.
  • the power-saving driving support sound generator 15 includes the music data receiving connector 114 that accepts input of music data from the outside, and the music data input through the music data receiving connector 114 is A sound in which at least one of the frequency characteristic, the time characteristic, and the volume of the acoustic characteristic is changed is generated.
  • the power saving driving support sound generation device 15 generates a sound that simulates an engine sound in which the engine speed increases in proportion to the measured value of power consumption while the vehicle is running.
  • a sound simulating an inverter sound or a motor sound whose frequency increases in proportion to the measured value of the regenerative power is generated.
  • the power saving driving assistance sound generator 15 stops the generation of sound when the measured values of the power consumption and the regenerative power due to traveling of the vehicle are equal to or less than a predetermined threshold value, Quiet driving is possible when the vehicle is stopped or performing appropriate power-saving operation and when operating with a slight regenerative brake.
  • music data to be generated by the power saving driving support sound generation device 15 corresponding to the range of power consumption and the range of regenerative power is preset, and the power saving driving support sound is generated.
  • the music data is switched according to the measured values of power consumption and regenerative power acquired by the sound control device 14, and a sound in which at least one of the frequency characteristic, time characteristic and volume of the acoustic characteristic of the music data is changed is selected. appear.
  • the power saving driving support sound control device 14 acquires information indicating the limited traveling speed of the road on which the vehicle travels or the maximum traveling speed immediately before the vehicle, and saves the power saving driving support sound.
  • a plurality of change patterns with different thresholds of power consumption and regenerative power, in which the generator 15 changes at least one of frequency characteristics, time characteristics, and volume of the acoustic characteristics, are set in advance, and the power saving driving support sound If the traveling speed acquired by the control device 14 is low, a sound changed with a change pattern with a low threshold is generated. If the traveling speed is high, a sound changed with a change pattern with a high threshold is generated. By configuring in this way, if an ideal power-saving operation is performed even during high-speed driving with large current consumption, the power-saving driving support sound is not output, and a quiet driving can be performed.
  • the power saving driving support device can notify the driver of both consumed and regenerated electric power in real time using acoustic means while the electric vehicle is running. It can be effectively used for an acoustic device.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

Dans un véhicule électrique (2) qui se déplace grâce à l'énergie fournie par un dispositif accumulateur (8), au moins une propriété acoustique, sélectionnée parmi les caractéristiques de fréquence, les caractéristiques temporelles et le volume, est modifiée en fonction des valeurs d'énergie consommée mesurées et de l'énergie régénérée par le déplacement du véhicule électrique (2), et des sons sont générés et sortis, lesdits différant lorsque l'énergie est consommée et lorsque l'énergie est régénérée au cours du déplacement du véhicule électrique (2).
PCT/JP2010/002543 2010-04-07 2010-04-07 Dispositif de soutien à fonctionnement à économie d'énergie WO2011125128A1 (fr)

Priority Applications (1)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056688A1 (de) * 2011-12-20 2013-06-20 Dr. Ing. H.C. F. Porsche Ag Kraftfahrzeug, insbesondere ein Hybrid- oder Elektrofahrzeug
JP2017202734A (ja) * 2016-05-11 2017-11-16 本田技研工業株式会社 能動型効果音発生装置
JP2018165803A (ja) * 2017-03-28 2018-10-25 日立オートモティブシステムズ株式会社 擬似走行音発生装置
WO2023140009A1 (fr) * 2022-01-20 2023-07-27 パナソニックＩｐマネジメント株式会社 Dispositif de génération de pseudo-sons
WO2023228614A1 (fr) * 2022-05-24 2023-11-30 株式会社Ｃｒｉ・ミドルウェア Programme, appareil de traitement d'informations, procédé et véhicule en déplacement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11208313A (ja) * 1998-01-30 1999-08-03 Mazda Motor Corp ハイブリッド電気自動車における走行表示装置
JP2003274505A (ja) * 2002-03-19 2003-09-26 Atex Co Ltd バッテリーの残量報知装置及び残量表示装置
JP2007223462A (ja) * 2006-02-23 2007-09-06 Toyota Motor Corp ハイブリッド車両
JP2010051168A (ja) * 2009-07-31 2010-03-04 Equos Research Co Ltd 車輌の表示装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11208313A (ja) * 1998-01-30 1999-08-03 Mazda Motor Corp ハイブリッド電気自動車における走行表示装置
JP2003274505A (ja) * 2002-03-19 2003-09-26 Atex Co Ltd バッテリーの残量報知装置及び残量表示装置
JP2007223462A (ja) * 2006-02-23 2007-09-06 Toyota Motor Corp ハイブリッド車両
JP2010051168A (ja) * 2009-07-31 2010-03-04 Equos Research Co Ltd 車輌の表示装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011056688A1 (de) * 2011-12-20 2013-06-20 Dr. Ing. H.C. F. Porsche Ag Kraftfahrzeug, insbesondere ein Hybrid- oder Elektrofahrzeug
JP2017202734A (ja) * 2016-05-11 2017-11-16 本田技研工業株式会社 能動型効果音発生装置
JP2018165803A (ja) * 2017-03-28 2018-10-25 日立オートモティブシステムズ株式会社 擬似走行音発生装置
WO2023140009A1 (fr) * 2022-01-20 2023-07-27 パナソニックＩｐマネジメント株式会社 Dispositif de génération de pseudo-sons
WO2023228614A1 (fr) * 2022-05-24 2023-11-30 株式会社Ｃｒｉ・ミドルウェア Programme, appareil de traitement d'informations, procédé et véhicule en déplacement

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