CN109895692A - Electric car simulates vocal technique and its system - Google Patents
Electric car simulates vocal technique and its system Download PDFInfo
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- CN109895692A CN109895692A CN201910233457.XA CN201910233457A CN109895692A CN 109895692 A CN109895692 A CN 109895692A CN 201910233457 A CN201910233457 A CN 201910233457A CN 109895692 A CN109895692 A CN 109895692A
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Abstract
Present invention discloses electric cars to simulate vocal technique, comprising the following steps: step 1 obtains motor speed and motor load situation in real time；Step 2, identification automobile gear level and acceleration and deceleration situation；Step 3, according to the sample sound of gear and acceleration and deceleration match settings, and execute pronunciation.The advantage of the invention is that being the sample sound by acquiring motor speed, motor load signal, after control module identifies vehicle-state in matching simulation acoustical generator, simulation issues the roar of engine, helps to improve driving impression and safety.
Description
Technical field
The present invention relates to pure electric automobile control technology fields.
Background technique
In recent years, pure electric automobile under national, local policy encouragement and support, exert by unremitting by Chinese automobile people
Power achieves the development advanced by leaps and bounds.Since power source is different with the fuel of power is generated, electric car and fuel-engined vehicle exist
Biggish difference.
Relative to fuel-engined vehicle, electric car except be more advantageous to energy-saving and emission-reduction, environmental pollution it is smaller in addition to, electric car
Driving experience and fuel-engined vehicle also have very big difference.Most intuitive impression is exactly that electric car is smaller than the noise of fuel-engined vehicle,
During running at a low speed, the pedestrian in driver and roadside will be barely audible apparent sound, and this reduce the noises of automobile
Meanwhile also producing new problem: since electric car noise is smaller, it is close that roadside pedestrian is not easy to discover in time vehicle, there is one
Fixed security risk, and driver can not judge vehicle running state according to the size of engine sound, additionally, due to losing
Engine sound, decrease the driving pleasure of driver.
Therefore, the control method for inventing a kind of electric car simulated engine sound, enables roadside pedestrian to have found in time
Vehicle is close, has evaded the security risk in driving conditions, at the same can allow again driver can be experienced in driving procedure as
Engine accelerates roar bring enjoyment.
Summary of the invention
The technical problem to be solved by the present invention is to realize a kind of control method of electric car simulated engine sound, make
Roadside pedestrian can discover in time has vehicle close, evades the security risk in driving conditions, while driver can be allowed to drive again
It can be experienced in the process as engine accelerates roar bring enjoyment.
To achieve the goals above, the technical solution adopted by the present invention are as follows: electric car simulates vocal technique, including following
Step:
Step 1 obtains motor speed and motor load situation (parameter) in real time；
Step 2, identification automobile gear level and acceleration and deceleration situation (parameter)；
Step 3, according to the sample sound of gear and acceleration and deceleration match settings, and execute pronunciation.
The sample sound is equipped at least two sound producing patterns, the engine sound of different sound producing pattern simulation different displacements
Sound, the sound producing pattern that the step 3 is selected according to active user is as matched sample sound.
Execution pronunciation is equipped with multiple execution patterns, including only internal loudspeaker pronunciation, only loudspeaker pronunciation outside vehicle, with
And interior outer loudspeaker pronounces simultaneously, the step 3 executes pronunciation according to the execution pattern that active user selects.
Engine gears identical with motor gear number are arranged in the sample sound, and each engine gears are according to engine
The rule being gradually increased by the slow-speed of revolution to high revolving speed volume, audio sets the volume and audio frequency parameter in each revolving speed section, described
It, should further according to the matching of current acceleration-deceleration after step 3 matches current motor gear with the engine gears that sample sound is simulated
The corresponding revolving speed section of engine gears.
The simulation sonification system of electric car simulation vocal technique is executed, the motor speed on motor is arranged in system
Sensor and motor load collector, the motor speed sensor and motor load collector are by the motor speed and electricity of acquisition
Machine loading condition is delivered to processor, and matching result is delivered to loudspeaker and played by the processor.
The loudspeaker includes the outer loudspeaker being mounted on outside vehicle and interior interior loudspeaker.
Car is equipped with control panel, the signal input part of the control panel connection processor, and the control panel includes
The switch key for issuing system switching signal, the execution pattern selection key for adjusting execution pattern, the pronunciation for adjusting sound producing pattern
Mode selection button.
The advantage of the invention is that being to identify vehicle shape through control module by acquiring motor speed, motor load signal
Sample sound after state in matching simulation acoustical generator, simulation issue the roar of engine, help to improve driving impression and peace
Quan Xing.
Detailed description of the invention
The content of width attached drawing every in description of the invention expression is briefly described below:
Fig. 1 is that electric car simulates vocal technique flow chart.
Specific embodiment
Below against attached drawing, by the description of the embodiment, for example related each component of a specific embodiment of the invention
Shape, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle, manufacturing process and
Operate with method etc., is described in further detail, to help those skilled in the art to inventive concept of the invention, technology
Scheme has more complete, accurate and deep understanding.
As shown in Figure 1, specifically includes the following steps:
(1) by motor speed sensor and motor load collector, current motor revolving speed and motor load situation are acquired.
(2) control module identifies automobile gear level, acceleration and deceleration situation according to the motor speed and motor load information of acquisition.
(3) after control module identification automobile gear level, acceleration and deceleration situation, the sample sound in acoustical generator is simulated in matching, is issued
Roar under the various operating conditions of simulated engine.
The technical program proposed invention point or improvement:
A kind of control method of electric car simulated engine sound of the invention, be by acquisition motor speed signal,
Motor load signal matches the sample sound in simulation acoustical generator through control module, and simulation issues the roar of engine.
A kind of control method of electric car simulated engine sound of the invention can be come according to the variation of motor speed
The acceleration, deceleration for identifying vehicle, thus the alternative sounds generated when simulated engine acceleration, deceleration.
A kind of control method of electric car simulated engine sound of the invention can be known by the variation of motor load
Whether other motor is in idling conditions, thus the alternative sounds that simulated engine is generated when dallying and having load.
The present invention is exemplarily described above in conjunction with attached drawing, it is clear that the present invention implements not by aforesaid way
Limitation, as long as the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out is used, or without changing
It is within the scope of the present invention into the conception and technical scheme of the invention are directly applied to other occasions.
Claims (7)
1. electric car simulates vocal technique, which comprises the following steps:
Step 1 obtains motor speed and motor load situation in real time；
Step 2, identification automobile gear level and acceleration and deceleration situation；
Step 3, according to the sample sound of gear and acceleration and deceleration match settings, and execute pronunciation.
2. electric car according to claim 1 simulates vocal technique, it is characterised in that: the sample sound is equipped at least
Two sound producing patterns, the engine sound of different sound producing pattern simulation different displacements, the step 3 are selected according to active user
Sound producing pattern, which is used as, is used for matched sample sound.
3. electric car according to claim 1 or 2 simulates vocal technique, it is characterised in that: the execution pronunciation is equipped with
Multiple execution patterns, including only internal loudspeaker pronunciation, only loudspeaker pronunciation outside vehicle, and interior outer loudspeaker pronounce simultaneously,
The step 3 executes pronunciation according to the execution pattern that active user selects.
4. electric car according to claim 3 simulates vocal technique, it is characterised in that: the sample sound setting and electricity
The identical engine gears of machine gear number, each engine gears according to engine by the slow-speed of revolution to high revolving speed volume, audio by
Cumulative big rule, sets the volume and audio frequency parameter in each revolving speed section, and the step 3 is by current motor gear and sound sample
After the engine gears matching of this simulation, the corresponding revolving speed section of the engine gears is matched further according to current acceleration-deceleration.
5. executing the simulation sonification system of electric car simulation vocal technique, which is characterized in that system, which is equipped with, to be arranged on motor
Motor speed sensor and motor load collector, the motor speed sensor and motor load collector are by the electricity of acquisition
Machine revolving speed and motor load situation are delivered to processor, and matching result is delivered to loudspeaker and played by the processor.
6. simulation sonification system according to claim 5, it is characterised in that: the loudspeaker include be mounted on it is outer outside vehicle
Loudspeaker and interior interior loudspeaker.
7. simulation sonification system according to claim 5 or 6, it is characterised in that: car is equipped with control panel, the control
Panel connects the signal input part of processor, and the control panel includes the switch key for issuing system switching signal, adjusts and hold
The execution pattern selection key of row mode, the sound producing pattern selection key for adjusting sound producing pattern.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910233457.XA CN109895692A (en) | 2019-03-26 | 2019-03-26 | Electric car simulates vocal technique and its system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111559320A (en) * | 2020-04-26 | 2020-08-21 | 东风汽车集团有限公司 | Method and system for realizing active sounding of vehicle based on vehicle-mounted intelligent terminal |
| CN113479133A (en) * | 2021-06-23 | 2021-10-08 | 广东博力威科技股份有限公司 | Method, device, equipment and medium for simulating engine working sound of electric vehicle |
| CN114932857A (en) * | 2022-04-28 | 2022-08-23 | 重庆金康赛力斯新能源汽车设计院有限公司 | Method, system and device for adjusting engine audio |
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| CN114932857A (en) * | 2022-04-28 | 2022-08-23 | 重庆金康赛力斯新能源汽车设计院有限公司 | Method, system and device for adjusting engine audio |
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Address after: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Applicant after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Applicant before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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Application publication date: 20190618 |
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