CN115064022A - Enhanced perception experience platform and use method thereof - Google Patents
Enhanced perception experience platform and use method thereof Download PDFInfo
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- 238000000034 method Methods 0.000 title abstract description 11
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- 230000008786 sensory perception of smell Effects 0.000 claims abstract description 9
- 230000008451 emotion Effects 0.000 claims description 36
- 210000004556 brain Anatomy 0.000 claims description 28
- 230000002996 emotional effect Effects 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 3
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- 238000007654 immersion Methods 0.000 abstract description 5
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- 238000010276 construction Methods 0.000 description 1
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Abstract
The invention discloses an enhanced perception experience platform and a using method thereof, wherein the platform comprises a platform main body, a dynamic platform, a heat source system, a wind power system, a smoke olfaction system, a lighting system, an electric shock system, a display, an electroencephalogram acquisition terminal, a heart rate acquisition terminal and a control system; the earthquake disaster can be simulated through the dynamic platform and the display, the fire disaster can be simulated through the heat source system, the smoke olfaction system, the lighting system and the display, the typhoon disaster can be simulated through the wind power system and the display, the electric shock disaster can be simulated through the electric shock system and the display, the method has good immersion and reality of experience, can flexibly combine the simulation of four disasters, namely the fire disaster, the earthquake disaster, the typhoon disaster and the electric shock disaster, meets various experience requirements, and can acquire relevant data of an experiencer through the electroencephalogram acquisition terminal and the heart rate acquisition terminal to serve as a basis for scientific judgment and analysis.
Description
Technical Field
The invention belongs to the technical field of simulated experience equipment, and particularly relates to an enhanced perception experience platform and a using method thereof.
Background
Since 2018, the emergency administration was established, the nation gradually promoted the construction of emergency administration systems and continuously emphasized the popularization of strengthening emergency safety education. The state builds an emergency management system with top-down and graded response, pays more attention to the public education and publicity for preventing and dealing with emergency events, and actively promotes the emergency ability training and stock of emergency supplies of the masses.
The simulation experience equipment in the prior art provides a single experience type, and cannot meet various experience requirements, for example, an emergency simulation experience system disclosed in the Chinese patent [ CN202120447654.4] can only provide simulation experiences of earthquake and fire, and an earthquake simulation experience dynamic platform disclosed in the Chinese patent [ application No. CN201520016161.X ] can only provide earthquake simulation experiences; the typhoon simulation experience equipment disclosed in the Chinese patent application No. CN202020064268.2 can only provide typhoon simulation experience; the electric shock simulation experience device disclosed in the Chinese patent application No. CN201720080198.8 can only provide electric shock simulation experience.
Disclosure of Invention
In view of this, the invention aims to provide an enhanced perception experience platform which has good experience immersion and reality, can meet various experience requirements, and can collect, scientifically judge and analyze relevant data of an experiencer, and a use method thereof.
In order to solve the technical problems, the technical scheme of the invention is as follows: an experience platform for enhancing perception comprises a platform main body, a dynamic platform arranged on the platform main body, a heat source system arranged on the platform main body, a wind power system arranged on the platform main body, a smog olfactory system arranged on the platform main body and used for releasing smog, the smog released by the smog smell releasing system has burnt smell, the lighting system is arranged on the platform main body, the electric shock system is arranged on the platform main body and used for providing electric shock simulation experience, the display is arranged on the platform main body, the electroencephalogram collecting terminal is arranged on the platform main body, the heart rate collecting terminal is arranged on the platform main body, and the control system is electrically connected with the dynamic platform, the heat source system, the wind power system, the smoke olfaction system, the light system, the electric shock system, the display, the electroencephalogram acquisition terminal and the heart rate acquisition terminal.
Preferably, the dynamic platform is a six-degree-of-freedom parallel dynamic platform.
Preferably, the heat source system is a hot air blower.
Preferably, the wind power system is a variable frequency fan.
Preferably, the smoke olfactory system is a smoke releasing device for fire escape simulation training.
Preferably, the lighting system is an LED lamp.
Preferably, the electric shock system is a human body electric shock simulation device.
Preferably, the electroencephalogram acquisition terminal is a head-mounted electroencephalogram sensor, and is used for acquiring Delta waves, Beta waves, Alpha waves, Theta waves and Gamma waves of an experiencer,
preferably, the heart rate acquisition terminal is a heart rate acquisition bracelet, the heart rate acquisition terminal is used for acquiring a heart rate signal of an experiencer, the heart rate acquisition terminal adopts an infrared photoelectric sensor and is used for converting an original heart rate signal into a micro-voltage signal, the signal conditioning circuit comprises an amplifier, a filter and a comparator, an input signal of the conditioning circuit is the original heart rate signal acquired by the sensor, an output signal of the conditioning circuit is a pulse signal with a certain voltage amplitude, an input signal of the control system is the pulse signal mentioned above, the output is heart rate data, when a person is nervous, angry or has other bad emotions, the heart rate becomes very irregular, and emotion judgment is achieved through the definition of the irregular heart rate signal on the emotion.
Preferably, the control system is a single chip microcomputer.
A method of using an enhanced perceptual experience platform, comprising the steps of:
s1, enabling the experiencer to enter the platform main body, sit on a seat of the dynamic platform, and wear the electroencephalogram acquisition terminal and the heart rate acquisition terminal;
s2, controlling the system to open scene software and log in to enter the scene system;
s3, the control system calls one or more of a dynamic platform, a heat source system, a wind power system, a smoke smell system, a lighting system and a touch system according to the requirement of the scene system, and simultaneously the control system plays a corresponding scene video on the display according to the requirement of the scene system;
s4, the brain wave acquisition terminal and the heart rate acquisition terminal respectively transmit brain wave signals and heart rate signals of the experiencer to the control system, and the control system conducts data segmentation, feature extraction and state recognition on the brain wave signals and the heart rate signals of the experiencer in the scene system to obtain the emotional state, the attention state and the shared situation state of the experiencer in the scene system;
and S5, finishing the experience, wherein the control system respectively generates an emotion index, a concentration index and a shared emotion index of the experiencer according to the emotion state, the attention state and the shared emotion state of the experiencer in the scene system, and the experience effect of the experiencer in the scene system is evaluated according to the emotion index, the attention index and the shared emotion index.
Further, when the scene system in step S2 is a fire scene system, the control system calls the heat source system, the smoke olfactory system, and the light system according to the requirement of the fire scene system, and the display plays a fire scene video to simulate a fire environment; when the scene system is an earthquake scene system, the control system correspondingly calls the dynamic platform according to the requirements of the earthquake scene system, and the display plays an earthquake scene video to simulate an earthquake environment; when the scene system is a typhoon scene system, the control system correspondingly calls a wind power system according to the requirements of the typhoon scene system, and the display plays a typhoon scene video to simulate a typhoon environment; when the scene system is the electric shock scene system, the control system calls the electric shock system correspondingly according to the requirement of the fire fighting scene system, and the display plays an electric shock scene video to simulate an electric shock environment; when the scene system is an earthquake fire scene system, the control system correspondingly calls the dynamic platform, the heat source system, the smoke smell system and the light system according to the requirements of the fire scene system, and the display plays an earthquake fire scene video to simulate an earthquake fire environment. The four disaster simulations of the fire, the earthquake, the typhoon and the electric shock can be flexibly combined, for example, the disaster simulation of the earthquake and the fire together, the disaster simulation of the earthquake and the typhoon together, the disaster simulation of the earthquake and the electric shock together, the disaster simulation of the earthquake, the fire and the electric shock together, and the disaster simulation of the earthquake, the fire, the typhoon and the electric shock together; disaster simulation in which a fire and a typhoon occur together, disaster simulation in which a fire and an electric shock occur together, and disaster simulation in which a fire, a typhoon and an electric shock occur together; simulation of disasters with typhoons and electric shocks.
Further, the emotion index in step S5 is a ratio of an active time to a passive time of the experiencer during the experience; the control system is used for processing a voltage signal directly transmitted from the electroencephalogram acquisition terminal and a current signal transmitted from the current sensor, and obtaining the absolute power ratio of Beta waves to Theta waves after processing; establishing an emotion inference rule through a machine learning method, namely a gradient push tree GBDT (generalized belief propagation) to identify positive and negative emotions; when a person is in different emotional states, corresponding active brain areas are different, the left half brain of the person is more involved in processing positive emotions or activities, the right half brain is more involved in processing negative and negative emotions or activities, and the energy of the left and right brains is asymmetrical. Characteristic parameters of the mood index: average power spectral asymmetry index and spectral asymmetry index of FP1 channel (left prefrontal lobe), FP2 channel (right prefrontal lobe), Delta wave, Beta wave, Alpha wave, Theta wave, Gamma wave; based on the emotional efficiency index of each wave band; and transforming the maximum value, the minimum value, the standard deviation and the median of the wavelet coefficients of each channel.
Further, the concentration index in step S5 is a ratio of the concentration time and the non-concentration time of the experiencer during the experience process; when people are in different mental states, the energy occupied by the pitch rates of Delta, Beta, Alpha, Theta, Gamma and the like contained in brain waves is different; for example, when the brain is in different concentration states, the concentration can be measured according to the energy value of the Beta wave, and the concentration is improved as the value is increased; meanwhile, the sample entropy can also be used for measuring the concentration level, and when the concentration level is centralized, the higher the signal complexity is, the larger the entropy is; concentration index feature parameters: fp1, sample entropy of Fp2 electroencephalogram data, alpha wave energy, beta wave energy, theta wave energy, delta wave energy and gamma wave energy.
Further, the sympathy index in the step S5 is a ratio of Beta waves and Alpha waves in brain waves of the experiencer during the experience; the brain activity is an intermediate index with interpretable significance and represents the brain functional activity, and the higher the activity is, the stronger the perception processing capability is, namely the stronger the sharing capability is; the sympathy index represents the sensitivity degree of the emotion after watching a scene, is highly related to the brain activity, is more than 1 and represents very sensitive, and is less than 1 and represents insensitive; the emotion persistence capability represents the retention capability of emotion after watching a scene, is highly related to brain activity, is more than 1, represents that the retention capability is very strong, is less than 1, represents that the retention capability is general, and the common emotion index can be used for expressing the emotion contrast after watching a plurality of scenes, if the plurality of scenes are not available, the common emotion index can be ignored.
The technical effects of the invention are mainly embodied as follows: the earthquake disaster can be simulated through the dynamic platform and the display, the fire disaster can be simulated through the heat source system, the smoke olfaction system, the lighting system and the display, the typhoon disaster can be simulated through the wind power system and the display, the electric shock disaster can be simulated through the electric shock system and the display, the method has good experience immersion and reality, can flexibly combine the simulation of four disasters, namely the fire disaster, the earthquake disaster, the typhoon disaster and the electric shock disaster, meets various experience requirements, and can acquire relevant data of an experiencer through the electroencephalogram electricity acquisition terminal and the heart rate acquisition terminal to serve as a basis for scientific judgment and analysis.
Drawings
FIG. 1 is a schematic structural diagram of an enhanced perceptual experience platform according to the present invention;
FIG. 2 is a block diagram of the system of FIG. 1;
FIG. 3 is a flow chart of FIG. 2;
FIG. 4 is an emotional index of a certain experiencer in a certain scene system;
FIG. 5 is an index of concentration of a particular experiencer in a particular scenario system;
FIG. 6 shows a global scenario index of an experiencer in a system of six scenes.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
In the present embodiment, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a pin connecting manner, or the like, which is commonly used in the prior art, and therefore, details thereof are not described in the present embodiment.
An experience platform for enhancing perception is disclosed, as shown in fig. 1-3, comprising a platform body 1, a dynamic platform 2 arranged on the platform body 1, a heat source system 3 arranged on the platform body 1 and used for providing heat, a wind power system 4 arranged on the platform body 1 and used for providing air volume, a smoke smell system 5 arranged on the platform body 1 and used for releasing smoke, a lighting system 6 arranged on the platform body 1, an electric shock system 7 arranged on the platform body 1 and used for providing electric shock simulation experience, a display 8 arranged on the platform body 1 and used for playing video, an electroencephalogram acquisition terminal 9 arranged on the platform body 1, and a heart rate acquisition terminal 10 arranged on the platform body 1, and the control system is electrically connected with the dynamic platform 2, the heat source system 3, the wind power system 4, the smoke olfaction system 5, the lighting system 6, the electric shock system 7, the display 8, the electroencephalogram acquisition terminal 9 and the heart rate acquisition terminal 10. Specifically, the dynamic platform 2, the heat source system 3, the wind power system 4, the smoke olfaction system 5, the lighting system 6, the electric shock system 7 and the display screen 8 are all connected with a control system through wires, and the electroencephalogram acquisition terminal 9 and the heart rate acquisition terminal 10 are connected with the control system through Bluetooth.
In this embodiment, the motion platform is a six-degree-of-freedom parallel motion platform. Six freedom parallel dynamic platform can realize upper and lower, left and right sides, translation and rotation around the front and back, and each application platform scene of cooperation more can promote the sense of immersion and the sense of reality of experience.
In this embodiment, the heat source system 3 is a hot air blower.
In this embodiment, the wind power system 4 is a variable frequency fan.
In this embodiment, the smoke olfactory system 5 is a smoke releasing device for fire escape simulation training.
In this embodiment, the light system 6 is an LED lamp.
In this embodiment, the electric shock system 7 is a human body electric shock simulation device.
In this embodiment, the electroencephalogram acquisition terminal 9 is a head-mounted electroencephalogram sensor, and the electroencephalogram acquisition terminal 9 is configured to acquire Delta waves, Beta waves, Alpha waves, Theta waves and Gamma waves of an experiencer.
In this embodiment, rhythm of the heart collection terminal is rhythm of the heart collection bracelet, rhythm of the heart collection terminal is used for gathering experience person's rhythm of the heart signal. The heart rate acquisition terminal adopts an infrared photoelectric sensor and is used for converting an original heart rate signal into a micro-voltage signal, the signal conditioning circuit comprises an amplifier, a filter and a comparator, the input signal of the conditioning circuit is the original heart rate signal acquired by the sensor, the output signal of the conditioning circuit is a pulse signal with a certain voltage amplitude, the input signal of the control system is the pulse signal mentioned above, and the output signal is heart rate data.
In this embodiment, the control system is a single chip microcomputer.
A method of using an enhanced perceptual experience platform, comprising the steps of:
s1, enabling an experiencer to enter the platform main body 1 and sit on a seat of the dynamic platform 2, and then wearing the electroencephalogram acquisition terminal 9 and the heart rate acquisition terminal 10;
s2, controlling the system to open scene software and log in to enter the scene system;
s3, the control system calls one or more of the dynamic platform 2, the heat source system 3, the wind power system 4, the smoke smell system 5, the lighting system 6 and the electric shock system 7 according to the requirement of the scene system, and simultaneously the control system plays the corresponding scene video on the display 8 according to the requirement of the scene system;
s4, the brain wave acquisition terminal 9 and the heart rate acquisition terminal 10 respectively transmit the brain wave signals and the heart rate signals of the experiencer to a control system, and the control system performs data segmentation, feature extraction and state recognition on the brain wave signals and the heart rate signals of the experiencer in the scene system to obtain the emotional state, the attention state and the shared situation state of the experiencer in the scene system;
and S5, finishing the experience, and respectively generating an emotion index, a concentration index and a sympathy index of the experiencer by the control system according to the emotion state, the attention state and the sympathy state of the experiencer in the scene system. And evaluating the experience effect of the experiencer in the scene system through the emotion index, the attention index and the shared situation index.
When the scene system in the step S2 is a fire scene system, the control system calls the heat source system 3, the smoke olfactory system 5, and the lighting system 6 according to the requirement of the fire scene system, and the display 8 plays a fire scene video to simulate a fire environment.
When the scene system in step S2 is an earthquake scene system, the control system calls the motion platform 2 correspondingly according to the requirement of the earthquake scene system, and the display 8 plays the earthquake scene video to simulate the earthquake environment.
When the scene system in step S2 is a typhoon scene system, the control system calls the wind power system 4 correspondingly according to the requirement of the typhoon scene system, and the display 8 plays a typhoon scene video to simulate a typhoon environment.
When the scene system in the step S2 is the electric shock scene system, the control system calls the electric shock system 7 correspondingly according to the requirement of the fire fighting scene system, and the display 8 plays the electric shock scene video to simulate the electric shock environment.
When the scene system in the step S2 is a scene system in which an earthquake and a fire occur together, the control system calls the motion platform 2, the heat source system 3, the smoke olfactory system 5 and the lighting system 6 according to the requirements of the fire scene system, and the display 8 plays a scene video in which the earthquake and the fire occur together, so as to simulate the environment in which the earthquake and the fire occur together.
The four disaster simulations of the fire, the earthquake, the typhoon and the electric shock can be flexibly combined, for example, the disaster simulation of the earthquake and the fire together, the disaster simulation of the earthquake and the typhoon together, the disaster simulation of the earthquake and the electric shock together, the disaster simulation of the earthquake, the fire and the electric shock together, and the disaster simulation of the earthquake, the fire, the typhoon and the electric shock together; disaster simulation in which a fire and a typhoon occur together, disaster simulation in which a fire and an electric shock occur together, and disaster simulation in which a fire, a typhoon and an electric shock occur together; simulation of disasters with typhoons and electric shocks.
As shown in fig. 4, the emotion index in step S5 is the ratio of the active time to the passive time of the experiencer during the experience. The control system is used for processing a voltage signal directly transmitted from the electroencephalogram acquisition terminal and a current signal transmitted from the current sensor, and obtaining the absolute power ratio of Beta waves to Theta waves after processing; establishing an emotion inference rule through a machine learning method, namely a gradient push tree GBDT (generalized belief propagation) to identify positive and negative emotions; when a person is in different emotional states, corresponding active brain areas are different, the left half brain of the person is more involved in processing positive emotions or activities, the right half brain is more involved in processing negative and negative emotions or activities, and the energy of the left and right brains is asymmetrical. Characteristic parameters of the mood index: average power spectral asymmetry index and spectral asymmetry index of FP1 channel (left prefrontal lobe), FP2 channel (right prefrontal lobe), Delta wave, Beta wave, Alpha wave, Theta wave, Gamma wave; based on the emotional efficiency index of each wave band; and transforming the maximum value, the minimum value, the standard deviation and the median of the wavelet coefficients of each channel.
As shown in FIG. 5, the concentration index in step S5 is the ratio of the concentration time and the non-concentration time of the experiencer during the experience. When a person is in different mental states, the energy occupied by the pitch rates of Delta, Beta, Alpha, Theta, Gamma and the like contained in brain waves is different. For example, when the brain is in different concentration states, the concentration can be measured according to the energy value of the Beta wave, and the concentration is improved as the value is increased; meanwhile, the sample entropy can also be used for measuring the concentration level, and when the concentration level is centralized, the higher the signal complexity is, the larger the entropy is; concentration on the characteristic parameters of the index: fp1, sample entropy of Fp2 electroencephalogram data, alpha wave energy, beta wave energy, theta wave energy, delta wave energy and gamma wave energy.
As shown in fig. 6, the sympathy index in step S5 is the ratio of Beta waves and Alpha waves in the brain waves of the experiencer during the experience. The brain activity is an intermediate index with interpretable significance and represents the brain functional activity, and the higher the activity is, the stronger the perception processing capability is, namely the stronger the sharing capability is; the sympathy index represents the sensitivity degree of the emotion after watching a scene, is highly related to the brain activity, is more than 1 and represents very sensitive, and is less than 1 and represents insensitive; the emotion persistence capability represents the retention capability of emotion after watching a scene, is highly related to the brain activity, is more than 1 and indicates that the retention capability is very strong, and is less than 1 and indicates that the retention capability is general, and the common emotion index can be used for expressing the emotion comparison after watching a plurality of scenes, if the plurality of scenes are not available, the comparison can be ignored.
The technical effects of the invention are mainly embodied as follows: the earthquake disaster can be simulated through the dynamic platform and the display, the fire disaster can be simulated through the heat source system, the smoke olfaction system, the lighting system and the display, the typhoon disaster can be simulated through the wind power system and the display, the electric shock disaster can be simulated through the electric shock system and the display, the method has good immersion and reality of experience, can flexibly combine the simulation of four disasters, namely the fire disaster, the earthquake disaster, the typhoon disaster and the electric shock disaster, meets various experience requirements, and can acquire relevant data of an experiencer through the electroencephalogram acquisition terminal and the heart rate acquisition terminal to serve as a basis for scientific judgment and analysis.
Of course, the above is only a typical example of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by using equivalent substitutions or equivalent transformations fall within the scope of the present invention.
Claims (8)
1. An enhanced perceptual experience platform comprising a platform body, characterized in that: still including setting up motion platform in the platform main part sets up heat source system in the platform main part sets up wind power system in the platform main part sets up smoke olfaction system in the platform main part, be used for releasing smog sets up lighting system in the platform main part sets up electric shock system in the platform main part, be used for providing the electric shock simulation and experience, sets up display in the platform main part places brain electricity collection terminal in the platform main part places heart rate collection terminal in the platform main part, with motion platform, heat source system, wind power system, smoke olfaction system, lighting system, electric shock system, display and the equal electric connection's of brain electricity collection terminal and heart rate collection terminal control system.
2. An enhanced perceptual experience platform as defined in claim 1, wherein: the dynamic platform is a six-degree-of-freedom parallel dynamic platform.
3. An enhanced perceptual experience platform as defined in claim 1, wherein: the heat source system is a hot air blower.
4. An enhanced perceptual experience platform as defined in claim 1, wherein: the wind power system is a variable frequency fan.
5. Use of an enhanced perceptual experience platform according to claims 1-4, comprising the steps of:
s1, enabling the experiencer to enter the platform main body, sit on a seat of the dynamic platform, and wear the electroencephalogram acquisition terminal and the heart rate acquisition terminal;
s2, controlling the system to open scene software and log in to enter the scene system;
s3, the control system calls one or more of a dynamic platform, a heat source system, a wind power system, a smoke smell system, a lighting system and a touch system according to the requirement of the scene system, and simultaneously the control system plays a corresponding scene video on the display according to the requirement of the scene system;
s4, the brain wave acquisition terminal and the heart rate acquisition terminal respectively transmit brain wave signals and heart rate signals of the experiencer to the control system, and the control system conducts data segmentation, feature extraction and state recognition on the brain wave signals and the heart rate signals of the experiencer in the scene system to obtain the emotional state, the attention state and the shared situation state of the experiencer in the scene system;
and S5, finishing the experience, and respectively generating an emotion index, a concentration index and a sympathy index of the experiencer by the control system according to the emotion state, the attention state and the sympathy state of the experiencer in the scene system.
6. Use according to claim 5, characterized in that: the emotion index in step S5 is the ratio of the active time to the passive time of the experiencer during the experience.
7. Use according to claim 5, characterized in that: the concentration index in step S5 is the ratio of the concentration time to the non-concentration time of the experiencer during the experience.
8. Use according to claim 5, characterized in that: the sympathy index in the step S5 is a ratio of Beta waves and Alpha waves in brain waves of the experiencer during the experience.
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