WO2008084370A1 - Method and system which affects the psychophysical state of a user - Google Patents
Method and system which affects the psychophysical state of a user Download PDFInfo
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- WO2008084370A1 WO2008084370A1 PCT/IB2008/000010 IB2008000010W WO2008084370A1 WO 2008084370 A1 WO2008084370 A1 WO 2008084370A1 IB 2008000010 W IB2008000010 W IB 2008000010W WO 2008084370 A1 WO2008084370 A1 WO 2008084370A1
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- user
- feedback parameter
- psychophysical
- desired optimal
- servo controlled
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00742—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models by detection of the vehicle occupants' presence; by detection of conditions relating to the body of occupants, e.g. using radiant heat detectors
Abstract
A feedback control method and unit (7) of a servo controlled system (4) which acts on the environment surrounding a user (3) for adjusting at least one feature of the environment which affects the psychophysical state of the user (3); the control unit (7) has: a memory device in which there is stored a desired optimal value or a range of desired optimal values of a psychophysical feedback parameter of the user (3) correlated with the perception that the user (3) has of the feature of the environment adjusted by the servo controlled system (4); an estimation device for cyclically estimating a real value of the psychophysical feedback parameter of the user (3) by means of at least one measurement performed directly on the user (3); and a driving device for cyclically driving the servo controlled system (4) for seeking the optimal desired value of the psychophysical feedback parameter.
Description
METHOD AND SYSTEM WHICH AFFECTS THE PSYCHOPHYSICAL STATE OF A USER
TECHNICAL FIELD The present invention relates to a feedback control method and unit which affects the psychophysical state of a user.
The present invention is advantageously applied to a car, to which explicit reference will be made in the following description without loosing in generality. PRIOR ART
Servo controlled systems which affect the psychophysical state of passengers are increasingly employed in modern, top range cars; the most common among such servo controlled systems is the climate control system, which is capable of automatically operating for guaranteeing the temperature required by the passengers inside the passenger compartment. Another example of such servo controlled systems is the internal rear-view mirror provided with an anti-dazzle function to automatically reduce the amount of reflected light in case of strong rear light . A further example of such servo controlled systems is the servo controlled adjustment of the position, the configuration or the temperature of seats .
Normally, a servo controlled system in a car has a
control device, by means of which the user (i.e. the driver or a passenger) sends his or her needs to the servo controlled system itself (e.g. the desired temperature in case of the climate control system) ; subsequently, the servo controlled system tries to respond to the user' s needs either with an open loop control logic (in the case of simpler and/or less sophisticated servo controlled systems) or with a closed loop or feedback control logic (in the case of more complex and/or more sophisticated servo controlled systems) .
In the case of a closed loop or feedback control logic, at least one measurable physical feedback magnitude is identified, which is either directly or indirectly correlatable with a need expressed by the user (e.g. the temperature inside the passenger compartment and/or the humidity inside the passenger compartment in the case of the climate control system) . In use, according to the need expressed by the user, a desired optimal value of the physical feedback magnitude (either fixed or variable in time) is determined and the servo controlled system is driven to seek such desired optimal value; i.e. the servo controlled system is driven so that the real measured value of the physical feedback magnitude is equal to the desired optimal value .
The major limitation of the above-described closed loop or feedback control logic concerns the fact that often the user is not able to correctly express his or her needs and thus the servo controlled system determines and seeks a desired optimal value which actually does not correspond to the user's real and poorly expressed needs. In a practical example applied to the climate control system, the user's real need is to feel comfortable, i.e. not to perceive any discomfort (heat, cold, excessive humidity, excessiλ^ely dry air, stale air, unpleasant odours) deriving from the climate inside the passenger compartment, but often he or she is able to correctly express this need only in very vague terms (I'm hot, I'm cold, I am not comfortable) and is hardly ever able to correctly translate such a need into a numeric value of a physical feedback magnitude (i.e. how many temperature degrees and which percentage of humidity) .
Furthermore, in the case of a complex servo controlled system, i.e. provided with several servo controls, it is possible to perform various actions which must be reciprocally coordinated in order to obtain a final effect targeted to an average user who could be very different from the really present user. For example, in the case of a climate control system, it is possible to adjust the air temperature, to adjust the
air humidity, to adjust the air introduction flow rate, to adjust the number and position of the air outlet vents and to adjust the percentage of air recirculation; in summer, an average user may find a flow of cool air directed towards his or her legs beneficial, but the really present user may suffer from arthrosis and thus not stand such a flow of cool air directed towards the legs . DESCRIPTION OF THE INVENTION It is the object of the present invention to provide a feedback control method and unit of a servo controlled system which affects the psychophysical state of a user, such a servo controlled method and system being free from the above-described drawbacks and being, at the same time, simple and cost-effective to implement .
In accordance with the present invention, a feedback control method and unit of a servo controlled system which affects the psychophysical state of a user are provided as set forth in the appended claims. BRIEF DESCRIPTION OF THE DRAWING
The present invention will now be described with reference to the accompanying drawing which illustrates a non- limitative embodiment thereof; specifically, the accompanying drawing shows a diagrammatic view of the passenger compartment of a car provided with the control
unit object of the present invention. PREFERRED EMBODIMENTS OF THE INVENTION
In figure 1, numeral 1 indicates a road vehicle, specifically a car, provided with a passenger compartment 2 which accommodates a user 3 (specifically a driver or a passenger) . The passenger compartment 2 is provided with a servo controlled climate control system 4 which adjusts the climate inside the passenger compartment 2; specifically, the climate control system 4 is capable of modifying the temperature and/or humidity inside the passenger compartment 2 to try to maximise the wellbeing of the user 3.
The climate control system 4 comprises a servo controlled air treatment unit 5 adapted to treat (heat, cool, dehumidify and/or filter) the air which is to be introduced into the passenger compartment 2. A plurality of air vents 6 are connected to the air treatment unit 5, which have the function of introducing the air treated by the air treatment unit 5 into the passenger compartment 2, are distributed inside the passenger compartment 2, and are arranged at different levels in order to be able to introduce the air into different areas of the passenger compartment 2 itself. The air treatment unit 5 can perform many servo controlled actions to affect the climate of the passenger compartment 2; for example, the treatment unit 5 may
adjust the air temperature, may adjust the air humidity, may adjust the air introduction flow rate, may adjust the number and the position of the air outlet vents and may adjust the air recirculation percentage. Furthermore, the climate control system 4, comprises a feedback control unit 7, which feedback drives the air treatment unit 5 to try to maximise the wellbeing of the user 3. The control unit 7 comprises an interface 8 by means of which the user 3 communicates his or her1 requests concerning the climate control inside the passenger compartment 2 to the control unit 7 (normally, the user 3 sets the desired temperature by means of the interface 8) .
At least one physical environmental feedback magnitude related to the environment which surrounds the user 3 is identified during the step of designing the control unit 7; normally, such physical environmental feedback magnitude is the temperature and, possibly, the air humidity. In use, according to the requests formulated by the user 3 through the interface 8 , the control unit 7 determines a desired optimal value or range of desired optimal values of temperature and/or humidity (i.e. of the physical environmental feedback magnitude) ; subsequently, the control unit 7 cyclically measures a value of temperature and/or humidity (i.e. of the physical environmental feedback magnitude) by means
of a measurement made inside the passenger compartment 2 and cyclically drives the air treatment unit 5 of the climate control system 4 to seek the desired optimal value of the physical environmental feedback magnitude. At least one psychophysical feedback parameter of the user 3 correlated with the perception that the user 3 has of the temperature and/or humidity (i.e. of the feature of the environment adjusted by the climate control system 4) is identified during the step of designing the control unit 7; furthermore, a desired optimal value or range of desired optimal values of the psychophysical feedback parameter is determined during the step of designing the control unit 7. In use, the control unit 7 cyclically estimates a real value of the psychophysical feedback parameter of the user 3 by means of at least one measurement directly performed on the user 3 and thus cyclically drives the air treatment unit 5 of the climate control system 4 to seek the desired optimal value of the psychophysical feedback parameter. Consequently, the control unit 7 comprises: a memory device in which a desired optimal value or range of desired optimal values of the psychophysical feedback parameter is stored, an estimation device for cyclically estimating a real value of the psychophysical feedback parameter by means of at least one measurement directly made on the user 3, and a driving device for cyclically
driving the servo controlled system 4 for seeking the desired optimal value of the psychophysical feedback parameter .
It is worth noting that the control unit 7 could operate either by using only the control loop based on the temperature and/or humidity (i.e. on the physical environmental feedback magnitude) , or by using only the control loop based on the psychophysical feedback parameter. However, according to a preferred embodiment, the control unit 7 works by using both the control loop based on the temperature and/or humidity (i.e. on the physical environmental feedback magnitude) , and the control loop based on the psychophysical feedback parameter; in other words, the control unit 7 cyclically drives the air treatment unit 5 of the climate control system 4 to seek both the desired optimal value of the psychophysical feedback parameter, and the desired optimal value of the temperature and/or humidity (i.e. of the physical environmental feedback magnitude) . In this manner, the control unit 7 takes into account both the needs explicitly expressed by the user 3 by means of the control interface 7, and the unconscious perception that the body of the user 3 manifests with respect to the climate inside the passenger compartment 2; this prevents a pool" choice made by the user 3 or an incorrect interpretation of the signals emitted by the
body of the user 3 from excessively conditioning the wellbeing of the user 3 him or herself.
In order to coordinate the interventions of both control loops, various strategies are possible for managing the cases of conflict, i.e. the cases in which the two control loops request interventions of the opposite type by the air treatment unit 5 of the climate control system 4 (e.g. the control loop based on the temperature and/or humidity may request a temperature increase, while the control loop based on the psychophysical feedback parameter may request a temperature decrease) . A possible solution is to maintain the difference between the desired optimal value and the real measured value of temperature and/or humidity (i.e. of the physical environmental feedback magnitude) lower than a predetermined threshold, regardless of the difference existing between the desired optimal value and the estimated value of the psychophysical feedback parameter; in other words, the control loop based on the psychophysical feedback parameter is allowed to correct the action of the control loop based on the temperature and/or humidity
(i.e. on the physical environmental feedback magnitude) within a predetermined margin. According to a possible embodiment, in order to seek the desired optimal value of the psychophysical
feedback parameter, the control loop based on the psychophysical feedback parameter modifies at least one first driving variable of the climate control system 4 and thus verifies whether the difference existing between the desired optimal value and the estimated value of the psychophysical feedback parameter displays significant variations after modifying the first driving variable. If the difference existing between the desired optimal value and the estimated value of the psychophysical feedback parameter does not display any significant variation after modifying the first driving variable, then a further more incisive modification is performed on the first driving variable; alternatively, if the difference existing between the desired optimal value and the estimated value of the psychophysical feedback parameter does not display any significant variation after modifying the first driving variable, then a second driving variable of the servo controlled system is modified. According to a possible embodiment, the psychophysical feedback parameter is the state of perspiration of the user 3, which may be optically determined by means of a camera 9 which films the face of the user 3, or may be determined by means of at least one sensor 10 which detects the humidity of the skin of the user 3; such sensor 10 could measure the surface
conductivity of the skin of the user 3 and could be inserted into a steering wheel of the vehicle 1 or into an item of clothing worn by the user 3.
According to a different embodiment, the psychophysical feedback parameter is the body temperature of the user 3 and, specifically, the external body temperature of the user 3 measured on the skin of the user 3 him or herself. The external body temperature of the user could be measured by detecting the infrared radiation of the user 3 by means of an infrared sensitive camera 10 which performs a thermography, or could be measured by means of a sensor 10 inserted into a steering wheel of the vehicle 1 or into an item of clothing worn by the user 3. According to a further embodiment, the psychophysical feedback parameter is the heart beat frequency of the user 3 which could be measured by means of a sensor 10 inserted into a steering wheel of the vehicle 1 or into an item of clothing worn by the user 3.
It is worth noting that the above-described psychophysical feedback parameters are only some examples and thus further psychophysical feedback parameters not suggested in this description may be used. Furthermore, the best results are obtained when the psychophysical feedback parameter is not provided by
a single measurement (e.g. the perspiration state or the external body temperature only) , but is provided by a synthesis of several measurements so as to provide a better overview of the real psychophysical state of the user 3. In other words , the real value of the psychophysical feedback parameter is obtained by appropriately combining the results of several measurements performed on the user 3. According to a possible embodiment, the control unit 7 also determines the context (e.g. driving in city traffic, relaxed driving on freeways or highways, sporty driving on freeways or highways , sporty driving on a racing track) in which the vehicle 1 is driven and the cyclical estimate of the real value of the psychophysical feedback parameter is weighed according to the context in which the vehicle 1 is driven. In other words, it has been noted that the context in which the vehicle 1 is driven may have considerable influences on the psychophysical state of the user 3. For example, a situation of minor stress (increase of external temperature and/or heart beats) is normal when driving in city traffic, but should not be present in the case of relaxed driving on freeways or highways; furthermore, a situation of stress is normal immediately after an emergency manoeuvre (e.g. a very sudden braking during relaxed driving on freeways) , or in case of prolonged
queuing on a highway, or a state of extreme alertness is normal in case of sporty driving on racing track but is not normal in case of relaxed driving on freeways or highways. In other words, knowing the context in which the vehicle 1 is driven allows to more correctly evaluate the result of the measurements performed on the user 3.
The context in which the vehicle 1 is driven is determined according to the time trend of the performances of the vehicle 1 and/or of the position of the vehicle 1, the performances and/or position being detected by the control unit 7. In other words, knowing the position of the vehicle 1 (in a city, on a freeway, on a highway, on a racing track, etc.) and its performances (slow driving, fast driving, race driving, queuing, etc.), it is possible to accurately determine the context in which the vehicle 1 itself is driven; by way of example, a very sudden braking followed by a prolonged stop of the vehicle 1 is a clear sign of an emergency situation which is very likely to determine a considerable stress on the user 3.
From the foregoing description, it is apparent that according to the present invention, a servo controlled system 4 which acts on the environment surrounding a user 3 is feedback controlled to adjust at least one feature of the environment which affects the
psychophysical state of the user 3; the feedback control includes the steps of : identifying, during a step of designing, at least one psychophysical feedback parameter of the user 3 correlated with the perception that the user 3 has of the environment feature adjusted by the servo controlled system 4 ; determining, during a step of designing, a desired optimal value or a range of desired optimal values of the psychophysical feedback parameter; cyclically estimating a real value of the psychophysical feedback parameter of the user 3 by means of at least one measurement performed directly on the user 3 ; and cyclically driving the servo controlled system 4 for seeking the desired optimal value of the psychophysical feedback parameter.
Accox'ding to the embodiment shown in the accompanying figures, the servo controlled system 4 is the climate control system 4 of the passenger compartment 2 of the vehicle 1.
According to a different embodiment (not shown) , the servo controlled system is a seating system which adjusts the position and/or configuration of a seat which accommodates the user 3; in this case, the psychophysical feedback parameter could be correlated
with the stiffening of the postural muscles of the user 3 and could be measured by means of an electromyogram.
According to a further embodiment (not shown) , the servo controlled system is a noise reduction and/or suppression system; in this case, the psychophysical feedback parameter is correlated with the perception of the noise by the user 3.
According to further embodiments, the servo controlled system is removed from the automotive context and could be applied, for example, to the climate control of a working environment in which the user operates .
The above-described feedback control method displays many advantages, because it is simple and cost- effective to implement and at the same time allows to adjust the features of the environment which surrounds the user 3 by accurately following the body sensations of the user 3 him or herself; in other words, the above- described feedback control method does not use an unreal, average user who could be very different from the actually present user 3, but seeks the psychophysical wellbeing of the user 3 by directly detecting the body sensations of the user 3 him or herself .
Claims
1. A feedback control method of a servo controlled system (4) which acts on the environment surrounding a user (3) for adjusting at least one feature of the environment which affects the psychophysical state of the user (3) ; the method comprising the steps of: identifying at least one psychophysical feedback parameter of the user (3) correlated with the perception that the user (3) has of the environment feature adjusted by the servo controlled system (4) ; determining a desired optimal value or a range of desired optimal values of the psychophysical feedback parameter ; cyclically estimating a real value of the psychophysical feedback parameter of the user (3) by means of at least one measurement performed directly on the user (3) ; and cyclically driving the servo controlled system (4) for seeking the desired optimal value of the psychophysical feedback parameter.
2. A method according to claim 1, wherein the psychophysical feedback parameter is provided by a synthesis of several measurements performed on the user (3) .
3. A method according to claims 1 or 2, comprising the steps of: identifying at least one physical environmental feedback magnitude related to the environment which surrounds the user ( 3 ) ; determining a desired optimal value or a range of desired optimal values of the physical environmental feedback magnitude ; cyclically measuring a value of the physical environmental feedback magnitude by means of a measurement performed in the environment ; and cyclically driving the servo controlled system (4) to seek both the desired optimal value of the psychophysical feedback parameter and the desired optimal value of the physical environmental feedback magnitude .
4. A method according to claim 3, wherein the step of cyclically driving the servo controlled system (4) includes that a control loop based on the psychophysical feedback parameter corrects the action of the control loop based on the physical environmental feedback magnitude within a predetermined margin.
5. A method according to claim 4, wherein the step of cyclically driving the servo controlled system (4) includes maintaining the difference between the desired optimal value and the real measured value of the physical environmental feedback magnitude lower than a predetermined threshold regardless of the difference existing between the desired optimal value and the estimated value of the psychophysical feedback parameter.
6. A method according to any one of the claims from 1 to 5 , wherein the step of cyclically driving the servo controlled system (4) comprises the further steps of: modifying at least one first driving variable of the servo controlled system (4) ; and verifying if the difference existing between the desired optimal value and the estimated value of the psychophysical feedback parameter displays significant variations after modifying the first driving variable.
7. A method according to claim 6, wherein if the difference existing between the desired optimal value and the estimated value of the psychophysical feedback parameter does not display any significant variation after modifying the first driving variable, then a further more incisive modification is performed on the first driving variable.
8. A method according to claim 6, wherein if the difference existing between the desired optimal value and the estimated value of the psychophysical feedback parameter does not display any significant variation after modifying the first driving variable, then a second driving variable of the servo controlled system (4) is modified.
9. A method according to any one of the claims from 1 to 8, wherein the servo controlled system (4) is a climate control system (4) which adjusts the temperature and/or humidity in the environment surrounding the user (3) .
10. A method according to claim 9, wherein the psychophysical feedback parameter is the perspiration state of the user (3) .
11. A method according to claim 9, wherein the psychophysical feedback parameter is the body temperature of the user (3) .
12. A method according to claim 11, wherein the psychophysical feedback parameter is the external body temperature of the user (3 ) measured on the skin of the user (3) him or herself.
13. A method according to claim 12, wherein the external body temperature of the user (3) is measured by detecting the infrared radiation of the user (3) by means of an infrared sensitive camera (9) which performs a thermography .
14. A method according to claim 9, wherein the psychophysical feedback parameter is the heart beat frequency of the user (3) .
15. A method according to any one of the claims from 1 to 8 , wherein the servo controlled system (4) is a seating system (4) which adjusts the position and/or configuration of a seat which accommodates the user (3) .
16. A method according to claim 15, wherein the psychophysical feedback parameter is correlated with the stiffening of the postural muscles of the user (3) .
17. A method according to claim 16, wherein the psychophysical feedback parameter is measured by means of an electromyogram.
18. A method according to any one of the claims from 1 to 8, wherein the servo controlled system (4) is a noise reduction and/or suppression system (4); the psychophysical feedback parameter is correlated with the perception of noise by the user (3) .
19. A method according to any one of the claims from 1 to 18, wherein the user (3) is a passenger of a vehicle (1) and the environment which surrounds the user (3) is the passenger compartment (2) of the vehicle (1) .
20. A method according to claim 19, and comprising the further steps of: determining the context in which the vehicle (1) is driven; weighing the cyclical estimation of the real value of the psychophysical feedback parameter according to the context in which the vehicle is driven (1) .
21. A method according to claim 20, and comprising the further step of detecting the time trend of the performances of the vehicle (1) and/or of the position of the vehicle (1) ; the context in which the vehicle (1) is driven is determined according to the time trend of the performances of the vehicle (1) and/or of the position of the vehicle (1) .
22. A method according to any one of the claims from 1 to 21, wherein the real value of the psychophysical feedback parameter of the user (3) is estimated by means of at least one sensor (10) inserted into an item of clothing worn by the user (3) him or herself.
23. A feedback control unit (7) of a servo controlled system (4) which acts on the environment surrounding a user (3) for adjusting at least one feature of the environment which affects the psychophysical state of the user (3); the control unit (7) comprises: a memory device in which there is stored a desired optimal value or a range of desired optimal values of a psychophysical feedback parameter of the user (3) correlated with the perception that the user (3) has of the feature of the environment adjusted by the servo controlled system (4) ; an estimation device for cyclically estimating a real value of the psychophysical feedback parameter of the user (3) by means of at least one measurement directly performed on the user (3) ; and a driving device for cyclically driving the servo controlled system (4) for seeking the desired optimal value of the psychophysical feedback parameter.
24. A feedback control method of a servo controlled climate control system (4) of a vehicle (1) which acts on the environment of a passenger compartment (2) of the vehicle (1) surrounding a user (3) for adjusting the temperature and/or humidity; the method comprises the steps of : identifying at least one psychophysical feedback parameter of the user (3) correlated with the perception that the user (3) has of the temperature and/or humidity; determining a desired optimal value or a range of desired optimal values of the psychophysical feedback parameter; cyclically estimating a real value of the psychophysical feedback parameter of the user (3) by means of at least one measurement directly performed on the user (3) ; and cyclically driving the servo controlled system (4) for seeking the desired optimal value of the psychophysical feedback parameter.
25. A method according to claim 24, wherein the psychophysical feedback parameter is provided by a synthesis of several measurements performed on the user ( 3 ) .
26. A method according to claim 24 or 25, and comprising the steps of: determining a desired optimal value or a range of desired optimal values of the temperature and/or humidity; cyclically measuring a value of the temperature and/or humidity by means of a measurement performed in the passenger compartment (2); and cyclically driving the servo controlled system (4) to seek both the desired optimal value of the psychophysical feedback parameter and the desired optimal value of the temperature and/or humidity.
27. A method according to claim 26, wherein the step of cyclically driving the servo controlled system
(4) includes maintaining the difference between the desired optimal value and the real measured value of the temperature and/or humidity lower than a predetermined threshold regardless of the difference existing between the desired optimal value and the estimated value of the psychophysical feedback parameter.
28. A method according to claim 24, 26 or 27, wherein the psychophysical feedback parameter is the perspiration state of the user (3) .
29. A method according to claim 24, 26 or 27, wherein the psychophysical feedback parameter is the body temperature of the user (3) .
30. A method according to claim 29, wherein the psychophysical feedback parameter is the external body temperature of the user (3) measured on the skin of the user (3) him or herself.
31. A method according to claim 30, wherein the external body temperature of the user (3) is measured by detecting the infrared radiation of the user (3) by means of an infrared sensitive camera (9) which performs a thermography.
32. A method according to any one of the claims from 26 to 31, wherein the real value of the psychophysical feedback parameter of the user (3) is estimated by means of at least one sensor (10) inserted into an item of clothing worn by the user (3) him or herself .
33. A feedback control unit (7) of a servo controlled climate control system (4) of a vehicle (1) which acts on the environment of a passenger compartment (2) of the vehicle (1) surrounding a user (3) for adjusting the temperature and/or humidity; the control unit (7) comprises: a memory device in which there is stored a desired optimal value or a range of desired optimal values of a psychophysical feedback parameter of the user (3) correlated with the perception that the user (3) has of the temperature and/or humidity; an estimation device for cyclically estimating a real value of the psychophysical feedback parameter of the user (3) by means of at least one measurement directly performed on the user (3); and a driving device for cyclically driving the servo controlled system (4) for seeking the desired optimal value of the psychophysical feedback parameter.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP08702181A EP2121360B1 (en) | 2007-01-04 | 2008-01-03 | Method and system which affects the psychophysical state of a user |
| US12/522,206 US8412410B2 (en) | 2007-01-04 | 2008-01-03 | Feedback control method and unit of a servo controlled system which affects the psychophysical state of a user |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000002A ITBO20070002A1 (en) | 2007-01-04 | 2007-01-04 | METHOD AND UNIT OF CONTROL IN FOCUS ON A SERVOCANDED SYSTEM THAT INFLUENCES THE PSYCHO-PHYSICAL STATE OF A USER |
| ITBO2007A000002 | 2007-01-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2008084370A1 true WO2008084370A1 (en) | 2008-07-17 |
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ID=39430958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/IB2008/000010 WO2008084370A1 (en) | 2007-01-04 | 2008-01-03 | Method and system which affects the psychophysical state of a user |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8412410B2 (en) |
| EP (1) | EP2121360B1 (en) |
| IT (1) | ITBO20070002A1 (en) |
| WO (1) | WO2008084370A1 (en) |
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- 2008-01-03 WO PCT/IB2008/000010 patent/WO2008084370A1/en active Application Filing
- 2008-01-03 EP EP08702181A patent/EP2121360B1/en active Active
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2730448A1 (en) | 2012-11-07 | 2014-05-14 | Universita' Degli Studi "G. D'annunzio" | Method and system for control of the residual efficiency of man-vehicle interaction |
| WO2016045948A1 (en) * | 2014-09-25 | 2016-03-31 | Volkswagen Aktiengesellschaft | Method and apparatus for setting a thermal comfort state |
| CN107074061A (en) * | 2014-09-25 | 2017-08-18 | 大众汽车有限公司 | Method and apparatus for adjusting thermal comfort state |
| CN107074061B (en) * | 2014-09-25 | 2020-02-21 | 大众汽车有限公司 | Method and device for adjusting a thermal comfort state |
| US10759256B2 (en) | 2014-09-25 | 2020-09-01 | Volkswagen Aktiengesellschaft | Method and apparatus for setting a thermal comfort state |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100106365A1 (en) | 2010-04-29 |
| EP2121360A1 (en) | 2009-11-25 |
| US8412410B2 (en) | 2013-04-02 |
| ITBO20070002A1 (en) | 2008-07-05 |
| EP2121360B1 (en) | 2012-07-18 |
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