CN103211604A - Sitting-position psychological state detecting device and detecting method - Google Patents
Sitting-position psychological state detecting device and detecting method Download PDFInfo
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- CN103211604A CN103211604A CN2013101634438A CN201310163443A CN103211604A CN 103211604 A CN103211604 A CN 103211604A CN 2013101634438 A CN2013101634438 A CN 2013101634438A CN 201310163443 A CN201310163443 A CN 201310163443A CN 103211604 A CN103211604 A CN 103211604A
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Abstract
The invention provides a sitting-position psychological state detecting device and a sitting-position psychological state detecting method. The sitting-position psychological state detecting device comprises a pressure sensor array which is formed by 40 pairs of pressure sensors. The pressure sensor array is connected with a digital control analog electronic switch module, an operational amplification circuit, an analog/digital conversion circuit, a single chip microcomputer (SCM), a wireless module and an upper computer in sequence. The SCM, the pressure sensor array, the digital control analog electronic switch module, the operational amplification circuit, the analog/digital conversion circuit and the wireless module are respectively connected with a power circuit. The sitting-position psychological state detecting method includes a first step of carrying out initialization, a second step of carrying out pressure signal acquisition, temperature signal acquisition and pose signal acquisition in sequence, a third step of carrying out compensation and calculation on signals collected in the second step, a fourth step of sending calculated results out in a wireless mode, and a fifth step of entering a standby mode, carrying out monitoring, and repeating from the first step to the fifth step if commands are found. A plurality of half-bridge type resistance strain gage pressure weighting sensors are adopted in the second step to collect pressure signals and pose signals. The sitting-position psychological state detecting device and the sitting-position psychological state detecting method are applicable to various environments such as automobiles, service robots, domestic robots, meeting rooms and offices, and wide in application range.
Description
Technical field
The present invention relates to a kind of psychological checkout gear, mental status checkout gear and method thereof under especially a kind of sitting posture.
Background technology
Reciprocal process is different according to object and mode, can be divided into that the showing of person to person/implicit expression is mutual, the showing of people and thing/implicit expression is mutual and apparent/mutual three kinds of the implicit expression of thing and thing.
Developing goal according to China's Internet of Things, mutual at man-machine implicit expression, exploitation can be obtained the experimental facilities of user psychology affective state, analysis theories and discrimination technology that research is relevant, improve interactive quality and friendly, be the current problem of needing solution badly, and have great researching value and application value.
Summary of the invention
The invention provides mental status checkout gear and method thereof under the sitting posture that a kind of scope of application is wide, cost is low.
Mental status checkout gear and method thereof under a kind of sitting posture of realization the object of the invention, its device comprises: by the pressure transducer battle array that 40 pairs of pressure transducers are formed, described pressure transducer battle array connects digital control simulant electronic switch module, discharge circuit, analog to digital conversion circuit, single-chip microcomputer, wireless module and host computer successively; Described single-chip microcomputer, pressure transducer battle array, digital control simulant electronic switch module, discharge circuit, analog to digital conversion circuit are connected power circuit respectively with wireless module.
Described power circuit provides stable 5V voltage.
Described pressure transducer is a semibridge system resistance strain gage pressure and weighting transducers.
Described discharge circuit comprises biasing circuit, input stage circuit, intergrade circuit and output-stage circuit.
Its method comprises the steps:
(1) carries out initialization; (2) carry out pressure signal collection, temperature signal collection and pose signals collecting successively; (3) signal that step (2) is gathered compensates and calculates; (4) result of calculation is gone out by wireless transmission; (5) enter standby, and intercept, find to have instruction repeating step (1)～(5).
Described step (2) uses a plurality of semibridge system resistance strain gage pressure and weighting transducers to gather pressure signal and pose signal.
The beneficial effect of mental status checkout gear and method thereof is as follows under a kind of sitting posture of the present invention:
1, mental status checkout gear and method thereof under the sitting posture of the present invention, can be used to multiple environment such as automobile, service robot, domestic robot, meeting room, office, for example: the transport condition (racing, the slow commentaries on classics) of judging automobile, and driver's psychological affective state, realize necessary prompting and drive assistance function, range of application is wider.
2, low complex degree, the upper and lower machine system of works has taken into full account the man-machine interaction use when design comparatively convenient.Owing to adopted the wireless connections mode, reduced the connection complexity.
3, extensibility, works are considered follow-up scaling problem in design process, chair cushion is separated and the sheet of pressure transducer selects device CD4051 to prepare for being increased to 64 pressure transducer groups.
4, high efficiency, the differentiation real-time of user's sitting posture pressure distribution collection that the emotion chair cushion is carried out, the transmission of data and thymopsyche state is better.
5, robustness, the software and hardware of works through test, can both effectively be moved under varying environment, and system robustness is better.
6, low cost, these works have been used semibridge system resistance strain gage pressure and weighting transducers, thereby greatly reduce the cost of these works.
Description of drawings
Fig. 1 is the structural representation of mental status checkout gear and method thereof under a kind of sitting posture of the present invention.
Fig. 2 is the job step sketch map of mental status checkout gear and method thereof under a kind of sitting posture of the present invention.
The specific embodiment
As shown in Figure 1, mental status checkout gear and method thereof under the sitting posture of the present invention, its device comprises: by the pressure transducer battle array 1 that 40 pairs of pressure transducers are formed, described pressure transducer battle array 1 connects digital control simulant electronic switch module 2, discharge circuit 3, analog to digital conversion circuit 4, single-chip microcomputer 5, wireless module 6 and host computer 8 successively; Described single-chip microcomputer 5, pressure transducer battle array 1, digital control simulant electronic switch module 2, discharge circuit 3, analog to digital conversion circuit 4 are connected power circuit 7 respectively with wireless module 6.
Described power circuit 7 provides stable 5V voltage.Described pressure transducer is a semibridge system resistance strain gage pressure and weighting transducers.Described discharge circuit 3 comprises biasing circuit, input stage circuit, intergrade circuit and output-stage circuit.
Digital control simulant electronic switch module can be made up of 10 CD4051 branch two-stages.
Analog to digital conversion circuit can be chosen the AD0804 of 8 outputs.
Discharge circuit can be chosen LM324 (four high guaily unit), form by 4 parts, biasing circuit, input stage circuit, the intergrade circuit, output-stage circuit, wherein input stage circuit generally is to adopt differential amplifier circuit (inhibition power supply), the intergrade circuit generally adopts the cascode load circuit (raising amplification) of active load, and output-stage circuit generally adopts complementary symmetrical output-stage circuit (improving the ability of drives load).
Single-chip microcomputer can be chosen STC90C52AD.
As shown in Figure 2, its method comprises the steps:
(1) carries out initialization; (2) carry out pressure signal collection, temperature signal collection and pose signals collecting successively; (3) signal that step (2) is gathered compensates and calculates; (4) result of calculation is gone out by wireless transmission; (5) enter standby, and intercept, find to have instruction repeating step (1)～(5).
Described step (2) uses a plurality of semibridge system resistance strain gage pressure and weighting transducers to gather pressure signal and pose signal.
When pressure transducer battle array 1 is under pressure, at first by single-chip microcomputer (STC90C52AD single-chip microcomputer) control first order simulant electronic switch CD4051, again by Single-chip Controlling second level simulant electronic switch CD4051, realization is to the timesharing gating of minimum signal collecting unit with to the acquisition time in different pressures district; Analogue signal after will gathering then is after the distortionless in proportion amplification of discharge circuit LM324 (four high guaily unit), be sent to and carry out analog-to-digital conversion among the analog to digital conversion circuit AD0804, again the digital signal that changes into is passed to single-chip microcomputer and handle, and then the information after will being gathered and handle by wireless module NRF24L01 sends to host computer and handles.
Embodiment recited above is described preferred implementation of the present invention; be not that scope of the present invention is limited; design under the spiritual prerequisite not breaking away from the present invention; various distortion and improvement that the common engineers and technicians in this area make technical solution of the present invention all should fall in the definite protection domain of claims of the present invention.
Claims (6)
1. mental status checkout gear and method thereof under the sitting posture, it is characterized in that: its device comprises: by the pressure transducer battle array that 40 pairs of pressure transducers are formed, described pressure transducer battle array connects digital control simulant electronic switch module, discharge circuit, analog to digital conversion circuit, single-chip microcomputer, wireless module and host computer successively; Described single-chip microcomputer, pressure transducer battle array, digital control simulant electronic switch module, discharge circuit, analog to digital conversion circuit are connected power circuit respectively with wireless module.
2. mental status checkout gear and method thereof under a kind of sitting posture according to claim 1 is characterized in that: described power circuit provides stable 5V voltage.
3. mental status checkout gear and method thereof under a kind of sitting posture according to claim 1 is characterized in that: described pressure transducer is a semibridge system resistance strain gage pressure and weighting transducers.
4. according to mental status checkout gear and method thereof under the arbitrary described a kind of sitting posture of claim 1～3, it is characterized in that: described discharge circuit comprises biasing circuit, input stage circuit, intergrade circuit and output-stage circuit.
5. mental status checkout gear and method thereof under a kind of sitting posture according to claim 1 is characterized in that: its method comprises the steps: that (1) carry out initialization; (2) carry out pressure signal collection, temperature signal collection and pose signals collecting successively; (3) signal that step (2) is gathered compensates and calculates; (4) result of calculation is gone out by wireless transmission; (5) enter standby, and intercept, find to have instruction repeating step (1)～(5).
6. according to mental status checkout gear and method thereof under claim 1 or the 5 arbitrary described a kind of sitting postures, it is characterized in that: described step (2) uses a plurality of semibridge system resistance strain gage pressure and weighting transducers to gather pressure signal and pose signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013101634438A CN103211604A (en) | 2013-05-07 | 2013-05-07 | Sitting-position psychological state detecting device and detecting method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101634438A CN103211604A (en) | 2013-05-07 | 2013-05-07 | Sitting-position psychological state detecting device and detecting method |
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| CN103211604A true CN103211604A (en) | 2013-07-24 |
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| CN2013101634438A Pending CN103211604A (en) | 2013-05-07 | 2013-05-07 | Sitting-position psychological state detecting device and detecting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105902049A (en) * | 2016-06-17 | 2016-08-31 | 心动网络股份有限公司 | Pressure testing device and chair cushion for correcting sitting posture |
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| WO2011026257A1 (en) * | 2009-09-03 | 2011-03-10 | Yang Changming | System and method for analyzing gait by fabric sensors |
| CN202191302U (en) * | 2011-04-29 | 2012-04-18 | 无锡万寿物联网科技有限公司 | Study and office efficiency measurer |
| CN102490701A (en) * | 2011-12-02 | 2012-06-13 | 哈尔滨工业大学 | Safe driving monitoring device capable of monitoring physical and psychological states of driver |
| CN203303066U (en) * | 2013-05-07 | 2013-11-27 | 河北工程大学 | Psychological state detecting device under sitting posture |
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2013
- 2013-05-07 CN CN2013101634438A patent/CN103211604A/en active Pending
Patent Citations (6)
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| US6392550B1 (en) * | 2000-11-17 | 2002-05-21 | Ford Global Technologies, Inc. | Method and apparatus for monitoring driver alertness |
| CN101201279A (en) * | 2007-12-07 | 2008-06-18 | 安徽君诚体育器材有限公司 | Apparatus for measuring pressure distribution and method for measuring thereof |
| WO2011026257A1 (en) * | 2009-09-03 | 2011-03-10 | Yang Changming | System and method for analyzing gait by fabric sensors |
| CN202191302U (en) * | 2011-04-29 | 2012-04-18 | 无锡万寿物联网科技有限公司 | Study and office efficiency measurer |
| CN102490701A (en) * | 2011-12-02 | 2012-06-13 | 哈尔滨工业大学 | Safe driving monitoring device capable of monitoring physical and psychological states of driver |
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| 杨丽丽: "坐姿压力分布测量系统的设计", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑（月刊 ）》, 15 June 2009 (2009-06-15) * |
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| CN105902049A (en) * | 2016-06-17 | 2016-08-31 | 心动网络股份有限公司 | Pressure testing device and chair cushion for correcting sitting posture |
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Application publication date: 20130724 |