CN109247861B - Information processing method and equipment thereof - Google Patents

Information processing method and equipment thereof Download PDF

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Publication number
CN109247861B
CN109247861B CN201810954091.0A CN201810954091A CN109247861B CN 109247861 B CN109247861 B CN 109247861B CN 201810954091 A CN201810954091 A CN 201810954091A CN 109247861 B CN109247861 B CN 109247861B
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information
state
target object
target
acquiring
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CN109247861A (en
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杨伟杰
陈封浪
陈志强
陈勖
蔡常青
曾昭泽
黄智妙
王小丽
余伟强
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SHENZHEN HUA RU TECHNOLOGY Co.,Ltd.
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Shenzhen Hua Ru Technology Co ltd
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/10—Devices for raising and lowering, e.g. tilting or lifting mechanisms; Collapsible or rotating seats or covers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications

Abstract

The embodiment of the invention discloses an information processing method, which comprises the following steps: acquiring an echo signal generated by a target object in a radar monitoring range reflecting a radar beam; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat. By adopting the invention, the toilet cover and the toilet ring can be controlled to be opened according to the sex, so that the toilet is more intelligent, and the use convenience is improved.

Description

Information processing method and equipment thereof
Technical Field
The present invention relates to the field of electronic technologies, and in particular, to an information processing method and an information processing apparatus.
Background
Along with the universal use of toilet bowl to and the popularization of man and woman sharing bathroom, the closestool circle turns over the problem of turning down and also receives people's concern more and more, and how to guarantee the health of toilet bowl and the convenience of use receive people's attention more and more, the toilet bowl that exists on the existing market, most are the mode of button and go to realizing turning up of closestool circle, perhaps manually realize turning up of closestool circle, and these modes are not only inconvenient, also can't guarantee the health simultaneously.
Disclosure of Invention
The embodiment of the invention provides an information processing method and equipment thereof, which can control the toilet cover and the toilet ring to be opened according to the sex, so that the toilet is more intelligent, and the use convenience is improved.
A first aspect of an embodiment of the present invention provides an information processing method, which may include:
acquiring an echo signal generated by a target object in a radar monitoring range reflecting a radar beam;
acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid;
and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat.
Wherein the acquiring of the target information of the target object according to the echo signal includes:
acquiring single frame data of the echo signal through signal sampling, and acquiring the maximum peak frequency and the maximum peak amplitude of the single frame data by adopting time-frequency analysis;
acquiring distance information and speed information of the target object according to the maximum peak frequency, and judging state information of the target object according to the positive and negative of the speed information;
and acquiring the radar scattering sectional area RCS of the target object according to the maximum peak amplitude and the distance information, wherein the target information of the target object comprises the state information, the distance information and the radar scattering sectional area RCS.
Wherein, the obtaining the maximum peak frequency and the maximum peak amplitude of the single frame data by adopting time-frequency analysis comprises:
acquiring a first maximum peak frequency and a first maximum peak amplitude of a rising edge of the single frame of data by adopting time-frequency analysis, and acquiring a second maximum peak frequency and a second maximum peak amplitude of a falling edge of the single frame of data;
the obtaining distance information and speed information of the target object according to the maximum peak frequency, and judging state information of the target object according to the positive and negative of the speed information includes:
acquiring the sum of the second maximum peak frequency and the first maximum peak frequency, and acquiring the distance information of the target object according to the sum of the second maximum peak frequency and the first maximum peak frequency, the modulation frequency and the bandwidth;
and acquiring a difference value between the second maximum peak frequency and the first maximum peak frequency, acquiring speed information of the target object according to the difference value and the wavelength, and judging the state information of the target object according to the positive and negative of the speed information.
Wherein the generating a control signal for the toilet lid according to the target information to control a state of the toilet lid includes:
if the state information of the target object is in a close state and the distance information is smaller than a preset distance threshold value, generating a first control signal, and controlling the toilet lid to be in an open state according to the first control signal;
and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a second control signal, and controlling the toilet lid to be in a falling state according to the second control signal.
Wherein, the obtaining the posture information of the target object according to the echo signal comprises:
generating a multi-frame data matrix through single-frame data of the echo signals, acquiring the body state information of the target object corresponding to the multi-frame data matrix by adopting time-frequency analysis, and comparing the body state information with the radar scattering cross section RCS of the target information in a body state database to generate the gender characteristics of the target information.
Wherein the generating of the control signal for the toilet seat according to the posture information and the target information to control the state of the toilet seat comprises:
if the gender feature is a male feature, the state information of the target object is in a close state, and the distance information is smaller than a preset distance threshold, generating a third control signal, and controlling the toilet seat to be in a turning-on state according to the third control signal;
if the gender characteristic is a female characteristic, the state information of the target object is a close state, and the distance information is smaller than a preset distance threshold value, a fourth control signal is generated, and the toilet seat is controlled to be in a put-down state according to the fourth control signal.
Wherein, still include:
and generating a control signal aiming at the toilet seat according to the target information so as to control the state of the toilet seat.
Wherein the generating of the control signal for the toilet seat according to the target information to control the state of the toilet seat comprises:
and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a fifth control signal, and controlling the toilet seat to be in a put-down state according to the fifth control signal.
A second aspect of an embodiment of the present invention provides an information processing apparatus, which may include:
the echo signal acquisition unit is used for acquiring an echo signal generated by a target object reflecting radar beams in a radar monitoring range;
a target information acquiring unit for acquiring target information of the target object according to the echo signal;
a first control unit for generating a control signal for the toilet lid according to the target information to control a state of the toilet lid;
the body state information acquisition unit is used for acquiring the body state information of the target object according to the echo signal;
and the second control unit is used for generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat.
Wherein the target information acquiring unit includes:
the peak information acquisition subunit is used for acquiring single-frame data of the echo signal through signal sampling and acquiring the maximum peak frequency and the maximum peak amplitude of the single-frame data by adopting time-frequency analysis;
the state information acquisition subunit is used for acquiring distance information and speed information of the target object according to the maximum peak frequency and judging the state information of the target object according to the positive and negative of the speed information;
and the RCS obtaining subunit is configured to obtain the radar scattering cross-sectional area RCS of the target object according to the maximum peak amplitude and the distance information, where the target information of the target object includes the state information, the distance information, and the radar scattering cross-sectional area RCS.
Wherein the peak information obtaining subunit is specifically configured to:
acquiring a first maximum peak frequency and a first maximum peak amplitude of a rising edge of the single frame of data by adopting time-frequency analysis, and acquiring a second maximum peak frequency and a second maximum peak amplitude of a falling edge of the single frame of data;
the state information acquiring subunit is specifically configured to:
acquiring the sum of the second maximum peak frequency and the first maximum peak frequency, and acquiring the distance information of the target object according to the sum of the second maximum peak frequency and the first maximum peak frequency, the modulation frequency and the bandwidth;
and acquiring a difference value between the second maximum peak frequency and the first maximum peak frequency, acquiring speed information of the target object according to the difference value and the wavelength, and judging the state information of the target object according to the positive and negative of the speed information.
Wherein the first control unit is specifically configured to:
if the state information of the target object is in a close state and the distance information is smaller than a preset distance threshold value, generating a first control signal, and controlling the toilet lid to be in an open state according to the first control signal;
and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a second control signal, and controlling the toilet lid to be in a falling state according to the second control signal.
The posture information acquiring unit is specifically configured to:
generating a multi-frame data matrix through single-frame data of the echo signals, acquiring the body state information of the target object corresponding to the multi-frame data matrix by adopting time-frequency analysis, and comparing the body state information with the radar scattering cross section RCS of the target information in a body state database to generate the gender characteristics of the target information.
Wherein the second control unit is specifically configured to:
if the gender feature is a male feature, the state information of the target object is in a close state, and the distance information is smaller than a preset distance threshold, generating a third control signal, and controlling the toilet seat to be in a turning-on state according to the third control signal;
if the gender characteristic is a female characteristic, the state information of the target object is a close state, and the distance information is smaller than a preset distance threshold value, a fourth control signal is generated, and the toilet seat is controlled to be in a put-down state according to the fourth control signal.
Wherein, still include:
and the third control unit is used for generating a control signal aiming at the toilet seat according to the target information so as to control the state of the toilet seat.
Wherein the third control unit is specifically configured to:
and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a fifth control signal, and controlling the toilet seat to be in a put-down state according to the fifth control signal.
A third aspect of the embodiments of the present application provides an information processing apparatus, which may include: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the method of the first aspect.
In the embodiment of the invention, an echo signal generated by reflecting a radar beam by a target object in a radar monitoring range is obtained; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat. Through the close-to control of the detection target object, the toilet cover and the sex control of the target object, the toilet seat is prevented from being manually opened, the toilet seat is more intelligent and sanitary, the use convenience is improved, and the user experience is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of an information processing method according to an embodiment of the present invention;
FIG. 2 is a flow chart of another information processing method provided by the embodiment of the invention;
fig. 3 is a schematic diagram illustrating an example of an information processing method according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an information processing apparatus according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of another information processing apparatus provided by an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a target information obtaining unit according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an information processing apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The information processing method provided by the embodiment of the invention can be applied to a toilet bowl, and can be used for detecting whether the target object and the gender of the target object are detected, such as: the information processing equipment acquires an echo signal generated by a target object in a radar monitoring range reflecting a radar beam; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; according to the echo signal, the posture information of the target object is obtained, and according to the posture information and the target information, a control signal for the toilet seat is generated to control the state of the toilet seat, the situation that the toilet cover and the toilet seat are opened manually is avoided, the toilet is more intelligent and sanitary, the use convenience is improved, and the user experience is improved.
The information processing device according to the embodiment of the present invention may be a device having radar signal processing, such as a terminal or a server.
Referring to fig. 1, a flow chart of an information processing method according to an embodiment of the present invention is schematically shown. As shown in fig. 1, the method of the embodiment of the present invention may include the following steps S101 to S103.
S101, obtaining an echo signal generated by a target object reflecting radar beams in a radar monitoring range.
Specifically, the information processing device acquires an echo signal generated by a target object reflecting a radar beam in a radar monitoring range, and it can be understood that the radar monitoring range is a range covered by the radar beam emitted by a radar, the radar can be an internal structure of the information processing device or an external device connected with the information processing device, the radar transmits the radar beam to the monitoring range, the radar beam reflects the echo signal of the target object generated by the target object, and the information processing device further acquires the echo signal received by the radar.
S102, acquiring target information of the target object according to the echo signal, and generating a control signal aiming at the toilet cover according to the target information so as to control the state of the toilet cover.
Specifically, the information processing device acquires target information of the target object according to the echo signal, and generates a control signal for the toilet lid according to the target information to control the state of the toilet lid, it is understood that the information processing apparatus obtains the target information of the target object by performing sampling analysis on the echo signal, the target information of the target object includes state information, distance information and radar scattering cross-sectional area RCS, the state information includes an approaching state, a departing state, and a stationary state, the distance information is a distance between the target information and the device, the radar scattering cross-sectional area RCS is a converted area of a target object, the information processing apparatus further generates a control signal for the toilet lid based on the target information, so as to control the state of the toilet lid, which comprises a flip-open state and a down state.
S103, acquiring the posture information of the target object according to the echo signal, and generating a control signal for the toilet seat according to the posture information and the target information so as to control the state of the toilet seat.
Specifically, the information processing device acquires the posture information of the target object according to the echo signal, and generates a control signal for the toilet seat according to the posture information and the target information to control the state of the toilet seat, it is understood that the information processing device obtains the posture information of the target object by sampling and analyzing the echo signal, the posture information of the target object comprises gait information, upper limb action information, height information and the like, the gait information is the size and frequency of the steps of the target object, the upper limb action information is the amplitude and frequency of the arm swing of the target object, the height information is the height of the target object, the information processing equipment further generates a control signal aiming at the toilet seat according to the posture information, so as to control the state of the toilet seat, which comprises a flip-open state and a down state.
In the embodiment of the invention, an echo signal generated by reflecting a radar beam by a target object in a radar monitoring range is obtained; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat. Through the close-to control of the detection target object, the toilet cover and the sex control of the target object, the toilet seat is prevented from being manually opened, the toilet seat is more intelligent and sanitary, the use convenience is improved, and the user experience is improved.
Referring to fig. 2, a flow chart of an information processing method according to an embodiment of the invention is shown. As shown in fig. 2, the method of the embodiment of the present invention may include the following steps S201 to S208.
S201, acquiring an echo signal generated by a target object in a radar monitoring range reflecting a radar beam.
S202, acquiring single frame data of the echo signal through signal sampling, and acquiring the maximum peak frequency and the maximum peak amplitude of the single frame data by adopting time-frequency analysis.
Specifically, the information processing device obtains single frame data of the echo signal through signal sampling, and obtains maximum peak frequency and maximum peak amplitude of the single frame data through time-frequency analysis.
Specifically, the information processing device obtains a first maximum peak frequency and a first maximum peak amplitude of a rising edge of the single frame of data by using fast fourier transform time-frequency analysis, and obtains a second maximum peak frequency and a second maximum peak amplitude of a falling edge of the single frame of data.
S203, obtaining the distance information and the speed information of the target object according to the maximum peak frequency, and judging the state information of the target object according to the positive and negative of the speed information.
Specifically, the information processing apparatus acquires distance information and velocity information of the target object from the maximum peak frequency, and determines status information of the target object from the positive or negative of the velocity information, and it is understood that the information processing apparatus calculates distance information and velocity information of the target object from the first maximum peak frequency and the second peak frequency, the distance information being a distance between the target information and the apparatus, the velocity information being a distance of the target information from the apparatus, and determines status information of the target object from the positive or negative of the velocity information, the status information including an approaching state, a departing state, and a stationary state, for example, if it is set that velocity information when the target object is moved to the apparatus is positive, and the status information is an approaching state, when the velocity information is negative, the state information is in a leaving state, and when the speed information is zero, the state information is in a static state.
Specifically, the information processing apparatus acquires a sum of the second maximum peak frequency and the first maximum peak frequency, and acquires the distance information of the target object according to the sum of the second maximum peak frequency and the first maximum peak frequency, the modulation frequency, and the bandwidth; acquiring a difference value between the second maximum peak frequency and the first maximum peak frequency, acquiring speed information of the target object according to the difference value and the wavelength, and judging state information of the target object according to the positive and negative of the speed information, wherein it can be understood that the information processing device calculates distance information of the target object by using a formula (1) according to the sum of the second maximum peak frequency and the first maximum peak frequency and a modulation frequency and a bandwidth, wherein the modulation frequency and the bandwidth are known quantities, and the formula (1) is as follows:
R＝cT(f2+f1)/4B (1)
where R is the distance information, f2 is the second maximum peak frequency, f1 is the first maximum peak frequency, c is the speed of light, T is the modulation frequency, and B is the bandwidth.
The information processing apparatus calculates the velocity information of the target object using formula (2) based on the difference between the second maximum peak frequency and the first maximum peak frequency and the wavelength, the wavelength being a known quantity, the formula (2) being as follows:
V＝λ(f2-f1)/2 (2)
where V is the velocity information, f2 is the second maximum peak frequency, f1 is the first maximum peak frequency, and λ is the wavelength.
And judging the state information of the target object according to the positive and negative of the speed information, wherein the state information comprises an approaching state, a leaving state and a static state.
And S204, acquiring the radar scattering sectional area RCS of the target object according to the maximum peak amplitude and the distance information, wherein the target information of the target object comprises the state information, the distance information and the radar scattering sectional area RCS.
Specifically, the information processing apparatus obtains the radar scattering cross-sectional area RCS of the target object based on the maximum peak amplitude and the distance information, the target information of the target object including the state information, the distance information, and the radar scattering cross-sectional area RCS, it being understood that the maximum peak amplitude includes a first maximum peak amplitude obtained at a rising edge of a single frame of data and a second maximum peak amplitude obtained at a falling edge of the single frame of data, an average value of the first maximum peak amplitude and the second maximum peak amplitude is positively correlated with the reception power of the reception echo signal of the information processing apparatus, calculates the reception power based on the average value of the first maximum peak amplitude and the second maximum peak amplitude, calculates the radar scattering cross-sectional area RCS of the target object based on the reception power, the transmission power, the reception gain, the transmission gain, the wavelength, the distance information using formula (3), the receiving gain, the transmitting gain, the wavelength and the distance information are all known quantities, and the formula (3) is as follows:
Figure BDA0001772250530000091
wherein σ is radar scattering sectional area RCS, PrTo receive power, PtTo transmit power, GrTo receive gain, GtFor transmit gain, λ is the wavelength and R is the distance information.
S205, if the state information of the target object is in a close state and the distance information is smaller than a preset distance threshold, generating a first control signal, and controlling the toilet lid to be in an open state according to the first control signal; and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a second control signal, and controlling the toilet lid to be in a falling state according to the second control signal.
Specifically, if the state information of target object is for being close to the state just distance information is less than predetermined distance threshold value, and information processing equipment generates first control signal, according to first control signal control the toilet lid is in the state of turning over, distance threshold value is predetermined distance information, distance threshold value can be adjusted according to actual conditions, if the state information of target object is for leaving the state just distance information is greater than predetermined distance threshold value, and information processing equipment generates the second control signal, according to second control signal control the toilet lid is in the state of putting down, through the state information of target object and the turning over and putting down of distance information control toilet lid, has improved the convenience of using.
S206, generating a multi-frame data matrix through single-frame data of the echo signal, acquiring the body state information of the target object corresponding to the multi-frame data matrix by adopting time-frequency analysis, and comparing the body state information with the radar scattering cross section RCS of the target information in a body state database to generate the gender characteristics of the target information.
Specifically, the information processing device generates a multi-frame data matrix through single-frame data of the echo signal, acquires the body state information of the target object corresponding to the multi-frame data matrix by time-frequency analysis, compares the body state information with the radar scattering cross section area RCS of the target information in a body state database to generate gender characteristics of the target information, and as can be understood, the multi-frame data matrix comprises a plurality of single-frame data, the multi-frame data matrix comprises a first multi-frame data matrix and a second multi-frame data matrix, the information processing device acquires the single-frame data of the echo signal through signal sampling, stores the single-frame data to the first multi-frame data matrix, and stores the plurality of single-frame data to the first multi-frame data matrix after multiple signal sampling, wherein the first multi-frame data matrix comprises at least two pieces of single-frame data, removing background signals and direct current signals of a fast and slow time threshold in a first multi-frame data matrix to generate a second multi-frame data matrix, performing time-frequency analysis on the second multi-frame data matrix by adopting short-time Fourier transform to obtain the posture information of the target object, wherein the posture information of the target object comprises gait information, upper limb action information, height information and the like, the gait information is the size and frequency of steps of the target object, the upper limb action information is the amplitude and frequency of arm swing of the target object, the height information is the height of the target object, the radar scattering cross-sectional area RCS of the posture information and the target information is compared in a posture database to generate the sex characteristics of the target information, and the posture database is a sex identification model which is trained according to the RCS and the posture data of the target object with known sex and sex, the gender of the target object can be identified from the input RCS and posture data, and the gender characteristics include male characteristics and female characteristics.
S207, if the gender feature is a male feature, the state information of the target object is in a close state, and the distance information is smaller than a preset distance threshold, generating a third control signal, and controlling the toilet seat to be in a turning-on state according to the third control signal; if the gender characteristic is a female characteristic, the state information of the target object is a close state, and the distance information is smaller than a preset distance threshold value, a fourth control signal is generated, and the toilet seat is controlled to be in a put-down state according to the fourth control signal.
Specifically, if the gender feature is a male feature and the state information of the target object is in a close state and the distance information is smaller than a preset distance threshold, the information processing device generates a third control signal and controls the toilet seat to be in a flip state according to the third control signal, it can be understood that when the toilet seat is in the flip state, the state information of the target object is in the close state and the distance information is smaller than the preset distance threshold, the toilet cover is in the flip state at the same time, the distance threshold is preset distance information, and the distance threshold can be adjusted according to an actual situation; if the gender characteristic is a female characteristic, the state information of the target object is in a close state, and the distance information is smaller than a preset distance threshold value, the information processing equipment generates a fourth control signal, the toilet seat is controlled to be in a put-down state according to the fourth control signal, and the toilet seat is controlled to be turned on and put down through the gender characteristic and the distance information of the target object, so that the toilet seat is more intelligent, and the sanitation of the toilet seat is kept.
And S208, generating a control signal aiming at the toilet seat according to the target information so as to control the state of the toilet seat.
Specifically, the information processing device generates a control signal for the toilet seat according to the target information to control the state of the toilet seat, and it can be understood that the information processing device obtains target information of the target object by sampling and analyzing the echo signal, the target information of the target object includes state information, distance information and radar scattering cross-sectional area RCS, the state information includes an approaching state, a departing state and a stationary state, the distance information is a distance between the target information and the device, the radar scattering cross-sectional area RCS is a reduced area of the target object, the information processing device further generates a control signal for the toilet seat according to the target information to control the state of the toilet seat, and the state of the toilet seat includes a flipped-open state and a put-down state.
Specifically, if the state information of the target object is the leaving state and the distance information is greater than the preset distance threshold, a fifth control signal is generated, and according to the fifth control signal, the toilet seat is controlled to be in the put-down state.
Step S201 in the embodiment of the present invention refers to the detailed description of step S101 in the embodiment shown in fig. 1, which is not repeated herein.
In the embodiment of the invention, an echo signal generated by reflecting a radar beam by a target object in a radar monitoring range is obtained; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat. The toilet seat has the advantages that the toilet seat is controlled to be opened and put down through the state information and the distance information of the target object, convenience in use is improved, the toilet seat is controlled to be opened and put down through the sex characteristics and the distance information of the target object, the toilet seat is more intelligent, sanitation of the toilet seat is kept, and user experience is improved.
A specific implementation scenario of the information processing method according to the embodiment of the present invention is described below, and as shown in fig. 3, the information processing method according to the embodiment of the present invention is applied to a toilet bowl, a radar sensor is installed on the toilet bowl, the radar sensor sends a radar beam to the monitoring range, and an information processing device obtains an echo signal generated by a target object in the radar monitoring range reflecting the radar beam; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; and acquiring the posture information of the target object according to the echo signal, and generating a control signal for the toilet seat according to the posture information and the target information.
Specifically, the radar sensor sends a radar beam to the monitoring range, the radar beam is reflected by the target object to generate an echo signal of the target object, the echo signal is transmitted to the radar sensor, the information processing device acquires the echo signal, and acquires target information of the target object by sampling and analyzing the echo signal, the target information of the target object includes state information, distance information and a radar scattering cross-sectional area RCS, the state information includes a close state, a away state and a static state, the distance information is a distance between the target information and the device, and the radar scattering cross-sectional area RCS is a reduced area of the target object; the information processing equipment acquires the posture information of the target object by sampling and analyzing the echo signal, wherein the posture information of the target object comprises gait information, upper limb action information, height information and the like, the gait information is the size and the frequency of footsteps of the target object, the upper limb action information is the amplitude and the frequency of arm swing of the target object, the height information is the height of the target object, and the posture information and the radar scattering cross-sectional area RCS of the target information are compared in a posture database to generate the sex characteristics of the target information.
If the state information of the target object is in a close state and the distance information is smaller than a preset distance threshold value, the information processing device generates a first control signal, the toilet lid is controlled to be in an open state according to the first control signal, the distance threshold value is preset distance information, the distance threshold value can be adjusted according to actual conditions, if the state information of the target object is in a away state and the distance information is larger than the preset distance threshold value, the information processing device generates a second control signal, and the toilet lid is controlled to be in a put-down state according to the second control signal.
If the gender feature is a male feature, the state information of the target object is in a close state, and the distance information is smaller than a preset distance threshold, the information processing equipment generates a third control signal, the toilet seat is controlled to be in a turned-open state according to the third control signal, the distance threshold is preset distance information, and the distance threshold can be adjusted according to actual conditions; if the gender characteristic is a female characteristic, the state information of the target object is in a close state, and the distance information is smaller than a preset distance threshold value, the information processing equipment generates a fourth control signal, and the toilet seat is controlled to be in a put-down state according to the fourth control signal.
If the state information of the target object is in a leaving state and the distance information is larger than a preset distance threshold value, the information processing equipment generates a fifth control signal, the toilet seat is controlled to be in a put-down state according to the fifth control signal, the distance threshold value is preset distance information, and the distance threshold value can be adjusted according to actual conditions.
In the embodiment of the invention, an echo signal generated by reflecting a radar beam by a target object in a radar monitoring range is obtained; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat. Through the close-to control of the detection target object, the toilet cover and the sex control of the target object, the toilet seat is prevented from being manually opened, the toilet seat is more intelligent and sanitary, the use convenience is improved, and the user experience is improved.
Referring to fig. 4, a schematic structural diagram of an information processing apparatus according to an embodiment of the present invention is provided. As shown in fig. 4, the information processing apparatus 1 of the embodiment of the present invention may include: an echo signal acquisition unit 11, a target information acquisition unit 12, a first control unit 13, a posture information acquisition unit 14, and a second control unit 15.
And the echo signal acquiring unit 11 is used for acquiring an echo signal generated by a radar beam reflected by a target object in a radar monitoring range.
Specifically, the echo signal acquiring unit 11 acquires an echo signal generated by a radar beam reflected by a target object in a radar monitoring range, and it can be understood that the radar monitoring range is a range covered by the radar beam emitted by a radar, the radar may be an internal structure of the information processing device or an external device connected to the information processing device, the radar transmits a radar beam to the monitoring range, the radar beam reflects the echo signal of the target object generated by the target object, and the information processing device further acquires the echo signal received by the radar.
And a target information acquiring unit 12, configured to acquire target information of the target object according to the echo signal.
Specifically, the target information obtaining unit 12 obtains the target information of the target object according to the echo signal, and it can be understood that the target information obtaining unit 12 obtains the target information of the target object by sampling and analyzing the echo signal, where the target information of the target object includes state information, distance information, and radar scattering cross-sectional area RCS, the state information includes an approaching state, a departing state, and a stationary state, the distance information is a distance between the target information and the device, and the radar scattering cross-sectional area RCS is a reduced area of the target object.
A first control unit 13, configured to generate a control signal for the toilet lid according to the target information to control a state of the toilet lid.
Specifically, the first control unit 13 generates a control signal for the toilet lid according to the target information to control the state of the toilet lid, and it can be understood that the first control unit 13 generates a control signal for the toilet lid according to the target information to control the state of the toilet lid, which includes a flip-open state and a down state.
And the body state information acquiring unit 14 is used for acquiring the body state information of the target object according to the echo signal.
Specifically, the posture information acquiring unit 14 acquires the posture information of the target object according to the echo signal, and generates a control signal for the toilet seat according to the posture information and the target information to control the state of the toilet seat, it can be understood that the posture information acquiring unit 14 acquires the posture information of the target object by sampling and analyzing the echo signal, the posture information of the target object includes gait information, upper limb action information, height information and the like, the gait information is the size and frequency of steps of the target object, the upper limb action information is the amplitude and frequency of arm swing of the target object, and the height information is the height of the target object.
And the second control unit 15 is used for generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat.
Specifically, the second control unit 15 generates a control signal for the toilet seat according to the posture information and the target information to control the state of the toilet seat, and it can be understood that the second control unit 15 generates a control signal for the toilet seat according to the posture information to control the state of the toilet seat, which includes a flip-open state and a down state.
In the embodiment of the invention, an echo signal generated by reflecting a radar beam by a target object in a radar monitoring range is obtained; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat. Through the close-to control of the detection target object, the toilet cover and the sex control of the target object, the toilet seat is prevented from being manually opened, the toilet seat is more intelligent and sanitary, the use convenience is improved, and the user experience is improved.
Fig. 5 is a schematic structural diagram of an information processing apparatus according to an embodiment of the present invention. As shown in fig. 5, the information processing apparatus 1 of the embodiment of the present invention may include: an echo signal acquisition unit 11, a target information acquisition unit 12, a first control unit 13, a posture information acquisition unit 14, a second control unit 15, and a third control unit 16.
And the echo signal acquiring unit 11 is used for acquiring an echo signal generated by a radar beam reflected by a target object in a radar monitoring range.
And a target information acquiring unit 12, configured to acquire target information of the target object according to the echo signal.
Referring to fig. 6, a schematic structural diagram of the target information obtaining unit 12 is provided for the embodiment of the present invention. As shown in fig. 6, the target information acquiring unit 12 according to an embodiment of the present invention may include: a peak information acquiring subunit 121, a state information acquiring subunit 122, and an RCS acquiring subunit 123.
The peak information obtaining subunit 121 is configured to obtain single frame data of the echo signal through signal sampling, and obtain a maximum peak frequency and a maximum peak amplitude of the single frame data by time-frequency analysis.
Specifically, the peak information obtaining subunit 121 obtains the single frame data of the echo signal through signal sampling, and obtains the maximum peak frequency and the maximum peak amplitude of the single frame data through time-frequency analysis, it can be understood that the peak information obtaining subunit 121 obtains the single frame data of the echo signal through signal sampling, each frame data is a fast time sample, and performs time-frequency analysis on the single frame data through fast fourier transform to obtain the maximum peak frequency and the maximum peak amplitude of the single frame data, where the maximum peak frequency includes a first maximum peak frequency and a second maximum peak frequency, and the maximum peak amplitude includes a second maximum peak amplitude and a second maximum peak amplitude.
Specifically, the peak information obtaining subunit 121 obtains a first maximum peak frequency and a first maximum peak amplitude of a rising edge of the single frame data by using fast fourier transform time-frequency analysis, and obtains a second maximum peak frequency and a second maximum peak amplitude of a falling edge of the single frame data.
A state information obtaining subunit 122, configured to obtain distance information and speed information of the target object according to the maximum peak frequency, and determine state information of the target object according to the positive or negative of the speed information.
Specifically, the state information acquiring subunit 122 acquires the distance information and the speed information of the target object according to the maximum peak frequency, and determines the state information of the target object according to the positive or negative of the speed information, it is understood that the state information acquiring subunit 122 calculates the distance information and the speed information of the target object according to the first maximum peak frequency and the second peak frequency, the distance information is the distance between the target information and the equipment, the speed information is the distance between the target information and the equipment, and determines the state information of the target object according to the positive or negative of the speed information, the state information includes an approaching state, a departing state, and a stationary state, for example, if the speed information when the target object moves to the equipment is set to be positive, and the state information is the approaching state, and when the speed information is negative, the state information is in a leaving state, and when the speed information is zero, the state information is in a static state.
Specifically, the state information obtaining subunit 122 obtains a sum of the second maximum peak frequency and the first maximum peak frequency, and obtains the distance information of the target object according to the sum of the second maximum peak frequency and the first maximum peak frequency, the modulation frequency, and the bandwidth; acquiring a difference value between the second maximum peak frequency and the first maximum peak frequency, acquiring speed information of the target object according to the difference value and the wavelength, and judging state information of the target object according to the positive and negative of the speed information, wherein it can be understood that the information processing device calculates distance information of the target object by using a formula (1) according to the sum of the second maximum peak frequency and the first maximum peak frequency and a modulation frequency and a bandwidth, wherein the modulation frequency and the bandwidth are known quantities, and the formula (1) is as follows:
R＝cT(f2+f1)/4B (1)
where R is the distance information, f2 is the second maximum peak frequency, f1 is the first maximum peak frequency, c is the speed of light, T is the modulation frequency, and B is the bandwidth.
The information processing apparatus calculates the velocity information of the target object using formula (2) based on the difference between the second maximum peak frequency and the first maximum peak frequency and the wavelength, the wavelength being a known quantity, the formula (2) being as follows:
V＝λ(f2-f1)/2 (2)
where V is the velocity information, f2 is the second maximum peak frequency, f1 is the first maximum peak frequency, and λ is the wavelength.
And judging the state information of the target object according to the positive and negative of the speed information, wherein the state information comprises an approaching state, a leaving state and a static state.
An RCS obtaining subunit 123, configured to obtain a radar scattering cross-sectional area RCS of the target object according to the maximum peak amplitude and the distance information, where the target information of the target object includes the state information, the distance information, and the radar scattering cross-sectional area RCS.
Specifically, the RCS obtaining subunit 123 obtains the radar scattering cross-sectional area RCS of the target object based on the maximum peak amplitude and the distance information, the target information of the target object includes the state information, the distance information, and the radar scattering cross-sectional area RCS, and it is understood that the maximum peak amplitude includes a first maximum peak amplitude obtained at a rising edge of single frame data and a second maximum peak amplitude obtained at a falling edge of single frame data, an average value of the first maximum peak amplitude and the second maximum peak amplitude is positively correlated with the reception power of the reception echo signal of the information processing apparatus, the reception power is calculated based on the average value of the first maximum peak amplitude and the second maximum peak amplitude, the radar scattering cross-sectional area RCS of the target object is calculated based on the reception power, the transmission power, the reception gain, the transmission gain, the wavelength, and the distance information by using formula (3), the receiving gain, the transmitting gain, the wavelength and the distance information are all known quantities, and the formula (3) is as follows:
Figure BDA0001772250530000171
wherein σ is radar scattering sectional area RCS, PrTo receive power, PtTo transmit power, GrIn order to receive the gain of the signal,Gtfor transmit gain, λ is the wavelength and R is the distance information.
The first control unit 13 is configured to generate a first control signal if the state information of the target object is in a close state and the distance information is smaller than a preset distance threshold, and control the toilet lid to be in an open state according to the first control signal; and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a second control signal, and controlling the toilet lid to be in a falling state according to the second control signal.
Specifically, if the state information of the target object is close to the state just distance information is less than the predetermined distance threshold, first the control unit 13 generates first control signal, according to first control signal control the toilet lid is in the state of turning over, distance threshold is predetermined distance information, distance threshold can be adjusted according to actual conditions, if the state information of the target object is for leaving the state just distance information is greater than the predetermined distance threshold, first the control unit 13 generates the second control signal, according to second control signal control the toilet lid is in the state of putting down, through the state information of the target object and distance information control the turning over and putting down of toilet lid, improved the convenience of using.
And the posture information acquiring unit 14 is configured to generate a multi-frame data matrix through single-frame data of the echo signal, acquire posture information of the target object corresponding to the multi-frame data matrix by time-frequency analysis, and compare the posture information with the radar scattering cross-sectional area RCS of the target information in a posture database to generate gender characteristics of the target information.
Specifically, the posture information acquiring unit 14 generates a multi-frame data matrix through single-frame data of the echo signal, acquires posture information of the target object corresponding to the multi-frame data matrix by time-frequency analysis, and compares the radar scattering cross-sectional area RCS of the posture information and the target information in a posture database to generate gender characteristics of the target information, it can be understood that the multi-frame data matrix includes a plurality of single-frame data, the multi-frame data matrix includes a first multi-frame data matrix and a second multi-frame data matrix, the posture information acquiring unit 14 acquires the single-frame data of the echo signal through signal sampling, and stores the single-frame data to the first multi-frame data matrix, and after multiple signal samplings, the plurality of single-frame data are stored to the first multi-frame data matrix, the first multi-frame data matrix includes at least two single-frame data, removing background signals and direct current signals of a fast and slow time threshold in a first multi-frame data matrix to generate a second multi-frame data matrix, performing time-frequency analysis on the second multi-frame data matrix by adopting short-time Fourier transform to obtain the posture information of the target object, wherein the posture information of the target object comprises gait information, upper limb action information, height information and the like, the gait information is the size and frequency of steps of the target object, the upper limb action information is the amplitude and frequency of arm swing of the target object, the height information is the height of the target object, the radar scattering cross-sectional area RCS of the posture information and the target information is compared in a posture database to generate the sex characteristics of the target information, and the posture database is a sex identification model which is trained according to the RCS and the posture data of the target object with known sex and sex, the gender of the target object can be identified from the input RCS and posture data, and the gender characteristics include male characteristics and female characteristics.
The second control unit 15 is configured to generate a third control signal if the gender characteristic is a male characteristic, the state information of the target object is an approaching state, and the distance information is smaller than a preset distance threshold, and control the toilet seat to be in an open state according to the third control signal; if the gender characteristic is a female characteristic, the state information of the target object is a close state, and the distance information is smaller than a preset distance threshold value, a fourth control signal is generated, and the toilet seat is controlled to be in a put-down state according to the fourth control signal.
Specifically, if the gender feature is a male feature and the state information of the target object is in a close state and the distance information is smaller than a preset distance threshold, the second control unit 15 generates a third control signal, and controls the toilet seat to be in a flip state according to the third control signal, it can be understood that when the toilet seat is in the flip state, the state information of the target object is in the close state and the distance information is smaller than the preset distance threshold, the toilet cover is simultaneously in the flip state, the distance threshold is preset distance information, and the distance threshold can be adjusted according to an actual situation; if the sex characteristic is a female characteristic and the state information of the target object is a close state and the distance information is less than a preset distance threshold value, the second control unit 15 generates a fourth control signal, controls the toilet seat to be in a put-down state according to the fourth control signal, and controls the toilet seat to be turned on and put down through the sex characteristic and the distance information of the target object, so that the toilet seat is more intelligent, and the sanitation of the toilet seat is kept.
A third control unit 16, configured to generate a control signal for the toilet seat according to the target information, so as to control the state of the toilet seat.
Specifically, the third control unit 16 generates a control signal for the toilet seat according to the target information to control the state of the toilet seat, it is understood that the target information acquiring unit 12 acquires the target information of the target object by sampling and analyzing the echo signal, the target information of the target object includes state information, distance information and radar scattering cross-sectional area RCS, the state information includes an approaching state, a departing state, and a stationary state, the distance information is a distance between the target information and the device, the radar cross-sectional area RCS is a reduced area of a target object, the third control unit 16 further generates a control signal for the toilet seat according to the target information, so as to control the state of the toilet seat, which comprises a flip-open state and a down state.
Specifically, the third control unit 16 is configured to generate a fifth control signal if the state information of the target object is a leaving state and the distance information is greater than a preset distance threshold, and control the toilet seat to be in a put-down state according to the fifth control signal, it can be understood that if the state information of the target object is a leaving state and the distance information is greater than a preset distance threshold, the third control unit 16 generates the fifth control signal, controls the toilet seat to be in a put-down state according to the fifth control signal, the distance threshold is preset distance information, and the distance threshold can be adjusted according to an actual situation.
The echo signal acquiring unit 11 according to the embodiment of the present invention refers to the detailed description of the echo signal acquiring unit 11 in the step shown in fig. 4, which is not repeated herein.
In the embodiment of the invention, an echo signal generated by reflecting a radar beam by a target object in a radar monitoring range is obtained; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat. The toilet seat has the advantages that the toilet seat is controlled to be opened and put down through the state information and the distance information of the target object, convenience in use is improved, the toilet seat is controlled to be opened and put down through the sex characteristics and the distance information of the target object, the toilet seat is more intelligent, sanitation of the toilet seat is kept, and user experience is improved.
Fig. 7 is a schematic structural diagram of an information processing apparatus according to an embodiment of the present invention. As shown in fig. 7, the application server 1000 may include: at least one processor 1001, such as a CPU, at least one network interface 1004, a user interface 1003, memory 1005, at least one communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The optional user interface 1003 may further include a standard wired interface or a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (non-volatile memory), such as at least one disk memory. The memory 1005 may optionally be at least one memory device located remotely from the processor 1001. As shown in fig. 7, a memory 1005, which is a kind of computer storage medium, may include therein an operating system, a network communication module, a user interface module, and an information processing application program.
In terminal 1000 shown in fig. 7, processor 1001 may be configured to invoke a data display application stored in memory 1005 and specifically perform the following operations:
acquiring an echo signal generated by a target object in a radar monitoring range reflecting a radar beam;
acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid;
and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat.
In one embodiment, the processor 1001 performs the following operations in acquiring the target information of the target object according to the echo signal:
acquiring single frame data of the echo signal through signal sampling, and acquiring the maximum peak frequency and the maximum peak amplitude of the single frame data by adopting time-frequency analysis;
acquiring distance information and speed information of the target object according to the maximum peak frequency, and judging state information of the target object according to the positive and negative of the speed information;
and acquiring the radar scattering sectional area RCS of the target object according to the maximum peak amplitude and the distance information, wherein the target information of the target object comprises the state information, the distance information and the radar scattering sectional area RCS.
In an embodiment, the processor 1001, when performing time-frequency analysis to obtain the maximum peak frequency and the maximum peak amplitude of the single frame data, specifically performs the following operations:
acquiring a first maximum peak frequency and a first maximum peak amplitude of a rising edge of the single frame of data by adopting time-frequency analysis, and acquiring a second maximum peak frequency and a second maximum peak amplitude of a falling edge of the single frame of data;
the obtaining distance information and speed information of the target object according to the maximum peak frequency, and judging state information of the target object according to the positive and negative of the speed information includes:
acquiring the sum of the second maximum peak frequency and the first maximum peak frequency, and acquiring the distance information of the target object according to the sum of the second maximum peak frequency and the first maximum peak frequency, the modulation frequency and the bandwidth;
and acquiring a difference value between the second maximum peak frequency and the first maximum peak frequency, acquiring speed information of the target object according to the difference value and the wavelength, and judging the state information of the target object according to the positive and negative of the speed information.
In one embodiment, the processor 1001 performs the following operations in generating a control signal for the toilet lid according to the target information to control the state of the toilet lid:
if the state information of the target object is in a close state and the distance information is smaller than a preset distance threshold value, generating a first control signal, and controlling the toilet lid to be in an open state according to the first control signal;
and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a second control signal, and controlling the toilet lid to be in a falling state according to the second control signal.
In one embodiment, the processor 1001 specifically performs the following operations in performing the obtaining of the posture information of the target object according to the echo signal:
generating a multi-frame data matrix through single-frame data of the echo signals, acquiring the body state information of the target object corresponding to the multi-frame data matrix by adopting time-frequency analysis, and comparing the body state information with the radar scattering cross section RCS of the target information in a body state database to generate the gender characteristics of the target information.
In one embodiment, the processor 1001 performs the following operations in generating a control signal for the toilet seat according to the posture information and the target information to control the state of the toilet seat:
if the gender feature is a male feature, the state information of the target object is in a close state, and the distance information is smaller than a preset distance threshold, generating a third control signal, and controlling the toilet seat to be in a turning-on state according to the third control signal;
if the gender characteristic is a female characteristic, the state information of the target object is a close state, and the distance information is smaller than a preset distance threshold value, a fourth control signal is generated, and the toilet seat is controlled to be in a put-down state according to the fourth control signal.
In one embodiment, the processor 1001 further performs the following operations:
and generating a control signal aiming at the toilet seat according to the target information so as to control the state of the toilet seat.
In one embodiment, the processor 1001 performs the following operations in generating a control signal for the toilet seat according to the target information to control the state of the toilet seat:
and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a fifth control signal, and controlling the toilet seat to be in a put-down state according to the fifth control signal.
In the embodiment of the invention, an echo signal generated by reflecting a radar beam by a target object in a radar monitoring range is obtained; acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid; and acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat. Through the close-to control of the detection target object, the toilet cover and the sex control of the target object, the toilet seat is prevented from being manually opened, the toilet seat is more intelligent and sanitary, the use convenience is improved, and the user experience is improved.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (9)

1. An information processing method is applied to a toilet bowl, and is characterized by comprising the following steps:
acquiring an echo signal generated by a target object in a radar monitoring range reflecting a radar beam;
acquiring target information of the target object according to the echo signal, and generating a control signal for the toilet lid according to the target information so as to control the state of the toilet lid;
acquiring the posture information of the target object according to the echo signal, and generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat;
the target information of the target object comprises state information, distance information and radar scattering sectional area RCS;
the obtaining of the posture information of the target object according to the echo signal includes:
generating a multi-frame data matrix through single-frame data of the echo signals, acquiring the body state information of the target object corresponding to the multi-frame data matrix by adopting time-frequency analysis, and comparing the body state information with the radar scattering cross section RCS of the target information in a body state database to generate the gender characteristics of the target information.
2. The method of claim 1, wherein the obtaining target information of the target object from the echo signal comprises:
acquiring single frame data of the echo signal through signal sampling, and acquiring the maximum peak frequency and the maximum peak amplitude of the single frame data by adopting time-frequency analysis;
acquiring distance information and speed information of the target object according to the maximum peak frequency, and judging state information of the target object according to the positive and negative of the speed information;
and acquiring the radar scattering sectional area RCS of the target object according to the maximum peak amplitude and the distance information, wherein the target information of the target object comprises the state information, the distance information and the radar scattering sectional area RCS.
3. The method of claim 2, wherein the obtaining the maximum peak frequency and the maximum peak amplitude of the single frame of data by using time-frequency analysis comprises:
acquiring a first maximum peak frequency and a first maximum peak amplitude of a rising edge of the single frame of data by adopting time-frequency analysis, and acquiring a second maximum peak frequency and a second maximum peak amplitude of a falling edge of the single frame of data;
the obtaining distance information and speed information of the target object according to the maximum peak frequency, and judging state information of the target object according to the positive and negative of the speed information includes:
acquiring the sum of the second maximum peak frequency and the first maximum peak frequency, and acquiring the distance information of the target object according to the sum of the second maximum peak frequency and the first maximum peak frequency, the modulation frequency and the bandwidth;
and acquiring a difference value between the second maximum peak frequency and the first maximum peak frequency, acquiring speed information of the target object according to the difference value and the wavelength, and judging the state information of the target object according to the positive and negative of the speed information.
4. The method of claim 2, wherein generating a control signal for the toilet lid to control a state of the toilet lid according to the target information comprises:
if the state information of the target object is in a close state and the distance information is smaller than a preset distance threshold value, generating a first control signal, and controlling the toilet lid to be in an open state according to the first control signal;
and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a second control signal, and controlling the toilet lid to be in a falling state according to the second control signal.
5. The method of claim 1, wherein generating control signals for the toilet seat to control the state of the toilet seat based on the posture information and the target information comprises:
if the gender feature is a male feature, the state information of the target object is in a close state, and the distance information is smaller than a preset distance threshold, generating a third control signal, and controlling the toilet seat to be in a turning-on state according to the third control signal;
if the gender characteristic is a female characteristic, the state information of the target object is a close state, and the distance information is smaller than a preset distance threshold value, a fourth control signal is generated, and the toilet seat is controlled to be in a put-down state according to the fourth control signal.
6. The method of claim 2, further comprising:
and generating a control signal aiming at the toilet seat according to the target information so as to control the state of the toilet seat.
7. The method of claim 6, wherein generating a control signal for the toilet seat to control the state of the toilet seat based on the target information comprises:
and if the state information of the target object is in a leaving state and the distance information is greater than a preset distance threshold value, generating a fifth control signal, and controlling the toilet seat to be in a put-down state according to the fifth control signal.
8. An information processing apparatus applied to a toilet bowl, comprising:
the echo signal acquisition unit is used for acquiring an echo signal generated by a target object reflecting radar beams in a radar monitoring range;
a target information acquiring unit for acquiring target information of the target object according to the echo signal;
a first control unit for generating a control signal for a toilet lid according to the target information to control a state of the toilet lid;
the body state information acquisition unit is used for acquiring the body state information of the target object according to the echo signal;
the second control unit is used for generating a control signal aiming at the toilet seat according to the posture information and the target information so as to control the state of the toilet seat;
the target information of the target object comprises state information, distance information and radar scattering sectional area RCS;
the target information acquiring unit is specifically configured to:
generating a multi-frame data matrix through single-frame data of the echo signals, acquiring the body state information of the target object corresponding to the multi-frame data matrix by adopting time-frequency analysis, and comparing the body state information with the radar scattering cross section RCS of the target information in a body state database to generate the gender characteristics of the target information.
9. An information processing apparatus characterized by comprising: a processor and a memory; wherein the memory stores a computer program adapted to be loaded by the processor and to perform the information processing method according to any one of claims 1 to 7.
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