CN109028280B - Temperature control system and method using competitive learning - Google Patents
Temperature control system and method using competitive learning Download PDFInfo
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- CN109028280B CN109028280B CN201810822422.5A CN201810822422A CN109028280B CN 109028280 B CN109028280 B CN 109028280B CN 201810822422 A CN201810822422 A CN 201810822422A CN 109028280 B CN109028280 B CN 109028280B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract
The invention discloses a temperature control system and a method utilizing competitive learning, which comprises a positioning device, a temperature measuring device, a coordination control system and a heating device, wherein the positioning device is used for positioning a human body and sending positioning information to the coordination control system; the temperature measuring device measures the ambient temperature of the human body and transmits temperature information to the coordination control system; the coordination control system receives the position information and the temperature information of the person, and controls one or more heating devices needing to work to move to a specified position according to the position information of the person; the temperature measuring device measures the ambient temperature of a person in real time, the temperature information is sent to the coordination control system, and the coordination control system adjusts the working power of the heating device according to the current temperature; the invention can position the personnel in the area and measure the ambient temperature around the personnel, the heating device moves to the vicinity of the personnel to directly heat the area around the personnel, and the function of automatic tracking heating is realized.
Description
Technical Field
The invention relates to the field of heating, in particular to a temperature control system and method utilizing competitive learning.
Background
The heating system refers to a process of adjusting and controlling the temperature of air in the environment of a building or structure by manual means, and along with the progress of society and the development of technology, the heating system is widely applied to most large-scale occasions, such as schools, factories or office buildings.
With the increasing prominence of energy problems, energy conservation and use are particularly necessary, but the existing heating system such as an air conditioning system heats the whole area, for example, an air conditioner in a factory or an air conditioner in a large mall, and the heating or cooling is the heating or cooling of the whole factory area or the mall area, and the heating process is slow, long in heating time and high in energy consumption, even if a small number of people in the area can heat the whole area, even if no people exist, the heating system can be completely closed for a long time, and a great amount of waste of resources is easily caused.
The existing heating system does not have the function of performing targeted local temperature control on a single body or a small number of targets in a large area, so the research on the direction can greatly reduce the energy consumption of the heating system in the large area, and has very important significance on the continuous development of energy.
Disclosure of Invention
The invention aims to solve the problems of low heating speed, long heating time and high energy consumption of the conventional heating system such as an air conditioning system which heats the whole area, and provides a temperature control system and a method which utilize competitive learning, can locate and measure the ambient temperature of people in the area, and adjust the position and direction of a heating device, the heating temperature and the working number of the heating device according to the position and the ambient temperature of the people in the area so as to realize the function of automatically tracking heating.
The invention realizes the purpose through the following technical scheme: a temperature control system utilizing competitive learning comprises a positioning device, a temperature measuring device, a coordination control system and a heating device, wherein the positioning device is used for positioning a human body and sending positioning information to the coordination control system; the temperature measuring device measures the ambient temperature of the human body and transmits temperature information to the coordination control system; the coordination control system receives the position information and the temperature information of the person, and controls one or more heating devices needing to work to move to a specified position according to the position information of the person; the temperature measuring device measures the ambient temperature of a person in real time, the temperature information is sent to the coordination control system, and the coordination control system adjusts the working power of the heating device according to the current temperature;
the positioning device is connected with more than three base stations as access points by building a Beidou system in a house, the base stations are arranged at positions which are far away from each other and have different heights, each person entering an area covered by the positioning device needs to wear a signal transmitter, the person uses the signal transmitter to continuously transmit a measurement signal after entering the area covered by the positioning device, and the current position information of the person is obtained by measuring the time difference of the signal reaching the two access points;
the temperature measuring device measures the ambient temperature of a target by adopting a contact type measuring method, a thermal resistance temperature sensor or a thermocouple sensor is arranged on a work clothes, the ambient temperature of the periphery of the target can be measured only by wearing the work clothes, the thermal resistance temperature sensor or the thermocouple sensor is respectively arranged at the front part, the rear part and two sleeves of the work clothes, when the ambient temperature of the periphery of the target needs to be detected, 4 sensors on the work clothes work at the same time to detect the ambient temperature, and the obtained results are averaged to be the ambient temperature;
the heating device is an infrared lamp or a hot air port, the movement mode of the heating device is the combination of translation and rotation, a fixed track is laid below the heating device, the track is integrally annular, the axle center of the track is hinged with one end of a rotating shaft, the other end of the rotating shaft is provided with a motor, a motor head of the motor is provided with a wheel, the wheel is arranged in the track, and the motor drives the wheel to move along the track when driving the wheel to rotate, so that the rotating shaft is driven to rotate around the axle center of the track; the heating device is also provided with a motor and wheels, the heating device is arranged on the rotating shaft, and the heating device makes linear motion on the rotating shaft through the motor and the wheels; when the motor on the heating device and the motor at one end of the rotating shaft move together, the heating device can stay at any point in the track; when a certain position needs to be heated, the heating device needs to be moved to the position for heating.
Furthermore, the whole area is divided into a plurality of sub-areas, the plurality of heating devices are responsible for heating one sub-area, and when the number of people in the sub-area is more than that of the heating devices, the system control system calculates the positions of the heating devices according to the principle that the heat quantity obtained by all people is equal and the total energy is maximum; when the number of people in the subarea is less than or equal to the number of heating devices, one or more heating devices are configured for each person, and the heating devices move along with the position movement of the person.
Furthermore, the heating device, the rotating shaft, the track and the holder jointly form heating equipment, i pieces of heating equipment are arranged in each space, each piece of heating equipment is provided with m rotating shafts, each rotating shaft is distributed with one heating device, and the heating devices can heat n persons in the area covered inside the track; when the heating device rotates, the direction is adjusted by the holder to heat the position of the person; the heating device is arranged on an omnibearing pan-tilt which can rotate on a horizontal plane and a vertical plane, a motor is used for controlling the pan-tilt to rotate, and encoders are arranged on the two rotatable directions; the encoder on the horizontal plane can know the included angle between the direction of the heating device on the horizontal plane and the true north, and the encoder on the vertical plane can know the included angle between the direction of the heating device and the vertical line; when the direction of the heating device needs to be adjusted to enable the heating device to be opposite to a certain position, the included angle between the direction of the heating device and a plumb line and the included angle between the direction in the horizontal plane and the due north direction need to be adjusted, namely, the cradle head is controlled to enable the outputs of the two encoders on the horizontal plane and the plumb line to reach a certain value.
A temperature control method utilizing competitive learning comprises the following steps: the positioning device positions the target in real time and sends the position information to the coordination control system; the coordination control system controls one or more heating devices needing to work to move to a specified position according to the position information of the target; the temperature measuring device measures the ambient temperature of the target in real time and sends temperature information to the coordination control system; the coordination control system adjusts the working power of the heating device according to the current temperature;
the positioning device is connected with more than three base stations as access points by building a Beidou system in a house, the base stations are arranged at positions which are far away from each other and have different heights, each person entering an area covered by the positioning device needs to wear a signal transmitter, the person uses the signal transmitter to continuously transmit a measurement signal after entering the area covered by the positioning device, and the current position information of the person is obtained by measuring the time difference of the signal reaching the two access points;
the temperature measuring device measures the ambient temperature of a target by adopting a contact type measuring method, a thermal resistance temperature sensor or a thermocouple sensor is arranged on a work clothes, the ambient temperature of the periphery of the target can be measured only by wearing the work clothes, the thermal resistance temperature sensor or the thermocouple sensor is respectively arranged at the front part, the rear part and two sleeves of the work clothes, when the ambient temperature of the periphery of the target needs to be detected, 4 sensors on the work clothes work at the same time to detect the ambient temperature, and the obtained results are averaged to be the ambient temperature;
the heating device is an infrared lamp or a hot air port, the movement mode of the heating device is the combination of translation and rotation, a fixed track is laid below the heating device, the track is integrally annular, the axle center of the track is hinged with one end of a rotating shaft, the other end of the rotating shaft is provided with a motor, a motor head of the motor is provided with a wheel, the wheel is arranged in the track, and the motor drives the wheel to move along the track when driving the wheel to rotate, so that the rotating shaft is driven to rotate around the axle center of the track; the heating device is also provided with a motor and wheels, the heating device is arranged on the rotating shaft, and the heating device makes linear motion on the rotating shaft through the motor and the wheels; when the motor on the heating device and the motor at one end of the rotating shaft move together, the heating device can stay at any point in the track; when a certain position needs to be heated, the heating device needs to be moved to the position for heating;
when the heating device is an infrared lamp, the radiation illumination value q of the infrared lamp received at a certain point is related to the distance r from the point to the axis of the infrared lamp and the heating current I, and the radiation illumination value q of the infrared lamp received at a certain point is as follows:
q＝f(r,I)；
when the heating device is a hot air port, the unit area heating power P received by a certain point is related to the distance l from the point to the hot air port, the air outlet speed v and the air outlet temperature t, and the unit area heating power received by a certain point is as follows:
p＝f(l,v,t)；
the coordination control system is used for receiving the position information and the temperature information and formulating a control strategy to control the corresponding heating device to supply heat to the target; when one or more targets are in a heating area, the radiant illumination value or the heating power per unit area of each target needs to reach a certain value; when m targets exist in an area, in order to meet the heat supply requirement, the coordination control system makes a control strategy and transmits the control strategy to a heating device needing to work; the control strategy includes controlling which heating devices are operated and at what power the heating devices are heating;
the specific control strategy is as follows:
when a plurality of heating devices exist, the decision method of the heat supply quantity of the specific heating device and the heat supply quantity of each heating device is as follows: suppose there are n heating devices, the number is: 1, L, n; of each heating devicePower of OiIn which O isi>0: the total m positions needing heat supply are numbered as follows: the heat quantity needed to be provided by the 1, L, m, j heating source in unit time is QjTo maintain or reach its desired temperature tjWherein j is 1, L, m and Qj>0, the heating device i can provide heat P in unit time for the heating source jij；
Step 1: for each heating device i
According to
Rearrange the corresponding decision variable x from small to large values ofiWherein the content of the first and second substances,
x having the smallest value ofiBecomes x1X with the largest valueiBecomes xnThe decision scheme uses a binary number X ═ X (X)1x2L xn)2Is shown, e.g., X ═ 00L 01)2Indicating that the nth heating device after rearrangement is turned on and the rest is turned off;
step 2: let Y be ═ infinity,
the currently adopted scheme is X ═ X (X)1x2L xn)2＝(00L 1)2(ii) a According to QjIs ordered from large to small, i.e. Q, for its constraintjThe largest value is set as the first constraint, the next largest is set as the second constraint, …, and the smallest is set as the last constraint;
step 3: calculating an objective function value for the current solution
If the objective function value is smaller than Y, setting the first constraint as the current constraint, otherwise, turning to Step 6;
step 4: according to the current scheme X ═(x1x2L xn)2Judging whether the current constraint condition is met, if so, turning to Step5, otherwise, turning to Step 6;
step 5: judging whether constraints exist or not, if so, taking down one constraint as the current constraint, and turning to Step 4; otherwise, updating the optimal decision scheme
For the current scheme X, let Y be the objective function value of the current decision scheme X, go to Step 6;
step 6: judging X + 1. ltoreq (11L 1)2If yes, taking the next scheme, namely taking X +1 as the current scheme, and turning to Step 3; otherwise go to Step 7;
step 7: after the algorithm is finished, outputting an optimal decision scheme
And a corresponding optimum value Y, if Y ═ infinity,
it indicates that the problem has no feasible solution;
wherein x isiIs a decision variable, 0 in 0 or 1 means that the ith heating device is turned off, and the opening 1 means that the ith heating device is turned on;
j is 1, L, m and xi0 or 1 as a constraint condition, wherein
The total energy consumption is minimized, j is 1, and m represents that the heat source provided by each heating source to the heat source is more than or equal to the required quantity of the heating source; and xi0 or 1 represents the value range of the decision variable.
Furthermore, a positioning mode is realized by measuring the time difference of signal receiving, according to the time difference of the measured signals, the person is located on a hyperbola line with two access points as focuses, when the position of the person is determined, at least a third access point is needed to be adopted to establish two hyperbola equations, the focuses of the two hyperbola equations are the position of the person as coordinates, and authorization correction is carried out through additional access points to obtain better positioning accuracy.
Furthermore, the heating device, the rotating shaft, the track and the holder jointly form heating equipment, i pieces of heating equipment are arranged in each space, each piece of heating equipment is provided with m rotating shafts, each rotating shaft is distributed with one heating device, and the heating devices can heat n persons in the area covered inside the track; when the heating device rotates, the direction is adjusted by the holder to heat the position of the person; the heating device is arranged on an omnibearing pan-tilt which can rotate on a horizontal plane and a vertical plane, a motor is used for controlling the pan-tilt to rotate, and encoders are arranged on the two rotatable directions; the encoder on the horizontal plane can know the included angle between the direction of the heating device on the horizontal plane and the true north, and the encoder on the vertical plane can know the included angle between the direction of the heating device and the vertical line; when the direction of the heating device needs to be adjusted to enable the heating device to be opposite to a certain position, the included angle between the direction of the heating device and a plumb line and the included angle between the direction in the horizontal plane and the due north direction need to be adjusted, namely, the cradle head is controlled to enable the outputs of the two encoders on the horizontal plane and the plumb line to reach a certain value.
The invention has the beneficial effects that:
1. the invention can position and measure the ambient temperature of people in the area, adjust the position and direction of the heating device, the heating temperature, the working quantity of the heating device and the like according to the position and the ambient temperature of the people in the area, the heating device moves to the vicinity of the people to directly heat the area around the people, and the position and the direction of the heating device move along with the people, thereby realizing the function of automatically tracking and heating.
2. The invention can position the personnel in the area in real time, and the heating device can move along with the position of the personnel, thereby realizing the function of tracking and heating.
3. The invention does not need to heat the whole environment, only heats the surrounding area of personnel, and has the advantages of high temperature rising speed, short heating time and low energy consumption.
4. When the number of people in the area is small, the heating devices corresponding to the people work, and the rest heating devices can be in a standby state; when no person is in the area, the heating system stops working, the defects of the existing heating system are effectively overcome, and energy consumption is reduced.
5. According to the invention, the Beidou technology is adopted for positioning, so that the positioning, monitoring and tracking tasks in a complex environment can be realized, the position of the heating target is estimated by measuring the time difference of the signal reaching two access points instead of absolute time, and the time synchronization requirement is reduced.
6. The invention can accurately measure the ambient temperature around the target by mounting the thermal resistance temperature sensor or the thermocouple sensor on the working clothes.
7. The heating device provided by the invention adopts the infrared lamp or the hot air port, the heating main body serving as a core does not need to move, the whole mechanical structure is simple, the whole cost is reduced, the heating device can rotate, the direction of the heating device can change along with the change of a target position, the function of tracking heating is realized, the heating effect is improved, and the energy consumption is reduced.
8. The invention adjusts the heating power according to the temperature around the target, and improves the comfort level of the surrounding environment of the target.
9. When the number of targets in the sub-area is small, the heating devices corresponding to the targets work, and the rest heating devices can be in a standby state; when no target exists in the area, the heating system stops working, the defects of the existing heating system are effectively overcome, and energy consumption is reduced.
Drawings
FIG. 1 is a schematic diagram of the basic structure of the temperature control system utilizing competitive learning according to the present invention.
Fig. 2 is a schematic structural diagram of the positioning device of the present invention.
Fig. 3 is a schematic workflow diagram of the present invention.
Fig. 4 is a schematic view of the structure of two heating devices of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 to 4, a temperature control system using competitive learning includes a positioning device, a temperature measuring device, a coordination control system, and a heating device, wherein the positioning device is used for positioning a human body and sending positioning information to the coordination control system; the temperature measuring device measures the ambient temperature of the human body and transmits temperature information to the coordination control system; the coordination control system receives the position information and the temperature information of the person, and controls one or more heating devices needing to work to move to a specified position according to the position information of the person; the temperature measuring device measures the ambient temperature of a person in real time, the temperature information is sent to the coordination control system, and the coordination control system adjusts the working power of the heating device according to the current temperature;
the positioning device is connected with more than three base stations as access points by building a Beidou system in a house, the base stations are arranged at positions which are far away from each other and have different heights, each person entering an area covered by the positioning device needs to wear a signal transmitter, the person uses the signal transmitter to continuously transmit a measurement signal after entering the area covered by the positioning device, and the current position information of the person is obtained by measuring the time difference of the signal reaching the two access points;
the temperature measuring device measures the ambient temperature of a target by adopting a contact type measuring method, a thermal resistance temperature sensor or a thermocouple sensor is arranged on a work clothes, the ambient temperature of the periphery of the target can be measured only by wearing the work clothes, the thermal resistance temperature sensor or the thermocouple sensor is respectively arranged at the front part, the rear part and two sleeves of the work clothes, when the ambient temperature of the periphery of the target needs to be detected, 4 sensors on the work clothes work at the same time to detect the ambient temperature, and the obtained results are averaged to be the ambient temperature;
the heating device is an infrared lamp or a hot air port, the movement mode of the heating device is the combination of translation and rotation, a fixed track is laid below the heating device, the track is integrally annular, the axle center of the track is hinged with one end of a rotating shaft, the other end of the rotating shaft is provided with a motor, a motor head of the motor is provided with a wheel, the wheel is arranged in the track, and the motor drives the wheel to move along the track when driving the wheel to rotate, so that the rotating shaft is driven to rotate around the axle center of the track; the heating device is also provided with a motor and wheels, the heating device is arranged on the rotating shaft, and the heating device makes linear motion on the rotating shaft through the motor and the wheels; when the motor on the heating device and the motor at one end of the rotating shaft move together, the heating device can stay at any point in the track; when a certain position needs to be heated, the heating device needs to be moved to the position for heating.
Dividing the whole area into a plurality of sub-areas, wherein the plurality of heating devices are responsible for heating one sub-area, and when the number of people in the sub-area is more than that of the heating devices, the system control system calculates the positions of the heating devices according to the principle that the heat quantity obtained by each person is equal and the total energy is maximum; when the number of people in the subarea is less than or equal to the number of heating devices, one or more heating devices are configured for each person, and the heating devices move along with the position movement of the person.
The heating device 3, the rotating shaft 2, the track 1 and the holder jointly form heating equipment, i pieces of heating equipment are arranged in each space, each piece of heating equipment is provided with m rotating shafts 2, each rotating shaft 2 is distributed with one heating device 3, and the heating devices 3 can heat n persons in the area covered inside the track; when the heating device rotates, the direction is adjusted by the holder to heat the position of the person; the heating device is arranged on an omnibearing pan-tilt which can rotate on a horizontal plane and a vertical plane, a motor is used for controlling the pan-tilt to rotate, and encoders are arranged on the two rotatable directions; the encoder on the horizontal plane can know the included angle between the direction of the heating device on the horizontal plane and the true north, and the encoder on the vertical plane can know the included angle between the direction of the heating device and the vertical line; when the direction of the heating device needs to be adjusted to enable the heating device to be opposite to a certain position, the included angle between the direction of the heating device and a plumb line and the included angle between the direction in the horizontal plane and the due north direction need to be adjusted, namely, the cradle head is controlled to enable the outputs of the two encoders on the horizontal plane and the plumb line to reach a certain value.
A temperature control method utilizing competitive learning comprises the following steps: the positioning device positions the target in real time and sends the position information to the coordination control system; the coordination control system controls one or more heating devices needing to work to move to a specified position according to the position information of the target; the temperature measuring device measures the ambient temperature of the target in real time and sends temperature information to the coordination control system; the coordination control system adjusts the working power of the heating device according to the current temperature;
the positioning device is connected with more than three base stations as access points by building a Beidou system in a house, the base stations are arranged at positions which are far away from each other and have different heights, each person entering an area covered by the positioning device needs to wear a signal transmitter, the person uses the signal transmitter to continuously transmit a measurement signal after entering the area covered by the positioning device, and the current position information of the person is obtained by measuring the time difference of the signal reaching the two access points;
the temperature measuring device measures the ambient temperature of a target by adopting a contact type measuring method, a thermal resistance temperature sensor or a thermocouple sensor is arranged on a work clothes, the ambient temperature of the periphery of the target can be measured only by wearing the work clothes, the thermal resistance temperature sensor or the thermocouple sensor is respectively arranged at the front part, the rear part and two sleeves of the work clothes, when the ambient temperature of the periphery of the target needs to be detected, 4 sensors on the work clothes work at the same time to detect the ambient temperature, and the obtained results are averaged to be the ambient temperature;
the heating device is an infrared lamp or a hot air port, the movement mode of the heating device is the combination of translation and rotation, a fixed track is laid below the heating device, the track is integrally annular, the axle center of the track is hinged with one end of a rotating shaft, the other end of the rotating shaft is provided with a motor, a motor head of the motor is provided with a wheel, the wheel is arranged in the track, and the motor drives the wheel to move along the track when driving the wheel to rotate, so that the rotating shaft is driven to rotate around the axle center of the track; the heating device is also provided with a motor and wheels, the heating device is arranged on the rotating shaft, and the heating device makes linear motion on the rotating shaft through the motor and the wheels; when the motor on the heating device and the motor at one end of the rotating shaft move together, the heating device can stay at any point in the track; when a certain position needs to be heated, the heating device needs to be moved to the position for heating;
when the heating device is an infrared lamp, the radiation illumination value q of the infrared lamp received at a certain point is related to the distance r from the point to the axis of the infrared lamp and the heating current I, and the radiation illumination value q of the infrared lamp received at a certain point is as follows:
q＝f(r,I)；
when the heating device is a hot air port, the unit area heating power P received by a certain point is related to the distance l from the point to the hot air port, the air outlet speed v and the air outlet temperature t, and the unit area heating power received by a certain point is as follows:
p＝f(l,v,t)；
the coordination control system is used for receiving the position information and the temperature information and formulating a control strategy to control the corresponding heating device to supply heat to the target; when one or more targets are in a heating area, the radiant illumination value or the heating power per unit area of each target needs to reach a certain value; when m targets exist in an area, in order to meet the heat supply requirement, the coordination control system makes a control strategy and transmits the control strategy to a heating device needing to work; the control strategy includes controlling which heating devices are operated and at what power the heating devices are heating;
the specific control strategy is as follows:
when a plurality of heating devices exist, the decision method of the heat supply quantity of the specific heating device and the heat supply quantity of each heating device is as follows: suppose there are n heating devices, the number is: 1, L, n; power per heating device is OiIn which O isi>0: the total m positions needing heat supply are numbered as follows: the heat quantity needed to be provided by the 1, L, m, j heating source in unit time is QjTo maintain or reach its desired temperature tjWherein j is 1, L, m and Qj>0, the heating device i can provide heat P in unit time for the heating source jij；
Step 1: for each heating device i
According to
Rearrange the corresponding decision variable x from small to large values ofiWherein the content of the first and second substances,
x having the smallest value ofiBecomes x1X with the largest valueiBecomes xnThe decision scheme uses a binary number X ═ X (X)1x2L xn)2Is shown, e.g., X ═ 00L 01)2Indicating that the nth heating device after rearrangement is turned on and the rest is turned off;
step 2: let Y be ═ infinity,
the currently adopted scheme is X ═ X (X)1x2L xn)2＝(00L 1)2(ii) a According to QjIs ordered from large to small, i.e. Q, for its constraintjThe largest value is set as the first constraint, the next largest is set as the second constraint, …, and the smallest is set as the last constraint;
step 3: calculating an objective function value for the current solution
If the objective function value is smaller than Y, setting the first constraint as the current constraint, otherwise, turning to Step 6;
step 4: according to the current scheme X ═ X1x2L xn)2Judging whether the current constraint condition is met, if so, turning to Step5, otherwise, turning to Step 6;
step 5: judging whether constraints exist or not, if so, taking down one constraint as the current constraint, and turning to Step 4; otherwise, updating the optimal decision scheme
For the current scheme X, let Y be the objective function value of the current decision scheme X, go to Step 6;
step 6: judging X + 1. ltoreq (11L 1)2Whether it is full ofIf yes, taking the next scheme, namely taking X +1 as the current scheme, and turning to Step 3; otherwise go to Step 7;
step 7: after the algorithm is finished, outputting an optimal decision scheme
And a corresponding optimum value Y, if Y ═ infinity,
it indicates that the problem has no feasible solution;
wherein x isiIs a decision variable, 0 in 0 or 1 means that the ith heating device is turned off, and the opening 1 means that the ith heating device is turned on;
j is 1, L, m and xi0 or 1 as a constraint condition, wherein
The total energy consumption is minimized, j is 1, and m represents that the heat source provided by each heating source to the heat source is more than or equal to the required quantity of the heating source; and xi0 or 1 represents the value range of the decision variable.
The method comprises the steps of measuring the time difference of signal receiving to position, enabling a person to be located on a hyperbolic curve with two access points as focuses according to the time difference of the measured signals, establishing two hyperbolic equations by at least adopting a third access point when the position of the person is determined, enabling the focuses of the two hyperbolic equations to be the position of the person as a coordinate, and conducting authorization correction through an additional access point to obtain better positioning accuracy.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (6)
1. A temperature control system utilizing competitive learning is characterized in that: the device comprises a positioning device, a temperature measuring device, a coordination control system and a heating device, wherein the positioning device is used for positioning a human body and sending positioning information to the coordination control system; the temperature measuring device measures the ambient temperature of the human body and transmits temperature information to the coordination control system; the coordination control system receives the position information and the temperature information of the person, and controls one or more heating devices needing to work to move to a specified position according to the position information of the person; the temperature measuring device measures the ambient temperature of a person in real time, the temperature information is sent to the coordination control system, and the coordination control system adjusts the working power of the heating device according to the current temperature;
the positioning device is connected with more than three base stations as access points by building a Beidou system in a house, the base stations are arranged at positions which are far away from each other and have different heights, each person entering an area covered by the positioning device needs to wear a signal transmitter, the person uses the signal transmitter to continuously transmit a measurement signal after entering the area covered by the positioning device, and the current position information of the person is obtained by measuring the time difference of the signal reaching the two access points;
the temperature measuring device measures the ambient temperature of a target by adopting a contact type measuring method, a thermal resistance temperature sensor or a thermocouple sensor is arranged on a work clothes, the ambient temperature of the periphery of the target can be measured only by wearing the work clothes, the thermal resistance temperature sensor or the thermocouple sensor is respectively arranged at the front part, the rear part and two sleeves of the work clothes, when the ambient temperature of the periphery of the target needs to be detected, 4 sensors on the work clothes work at the same time to detect the ambient temperature, and the obtained results are averaged to be the ambient temperature;
the heating device is an infrared lamp or a hot air port, the movement mode of the heating device is the combination of translation and rotation, a fixed track is laid below the heating device, the track is integrally annular, the axle center of the track is hinged with one end of a rotating shaft, the other end of the rotating shaft is provided with a motor, a motor head of the motor is provided with a wheel, the wheel is arranged in the track, and the motor drives the wheel to move along the track when driving the wheel to rotate, so that the rotating shaft is driven to rotate around the axle center of the track; the heating device is also provided with a motor and wheels, the heating device is arranged on the rotating shaft, and the heating device makes linear motion on the rotating shaft through the motor and the wheels; when the motor on the heating device and the motor at one end of the rotating shaft move together, the heating device can stay at any point in the track; when a certain position needs to be heated, the heating device needs to be moved to the position for heating.
2. The temperature control system using competitive learning according to claim 1, wherein: dividing the whole area into a plurality of sub-areas, wherein the plurality of heating devices are responsible for heating one sub-area, and when the number of people in the sub-area is more than that of the heating devices, the system control system calculates the positions of the heating devices according to the principle that the heat quantity obtained by each person is equal and the total energy is maximum; when the number of people in the subarea is less than or equal to the number of heating devices, one or more heating devices are configured for each person, and the heating devices move along with the position movement of the person.
3. The temperature control system using competitive learning according to claim 1, wherein: the heating device, the rotating shaft, the track and the holder jointly form heating equipment, i pieces of heating equipment are arranged in each space, each piece of heating equipment is provided with m rotating shafts, each rotating shaft is distributed with one heating device, and the heating devices can heat n persons in the coverage area inside the track; when the heating device rotates, the direction is adjusted by the holder to heat the position of the person; the heating device is arranged on an omnibearing pan-tilt which can rotate on a horizontal plane and a vertical plane, a motor is used for controlling the pan-tilt to rotate, and encoders are arranged on the two rotatable directions; the encoder on the horizontal plane can know the included angle between the direction of the heating device on the horizontal plane and the true north, and the encoder on the vertical plane can know the included angle between the direction of the heating device and the vertical line; when the direction of the heating device needs to be adjusted to enable the heating device to be opposite to a certain position, the included angle between the direction of the heating device and a plumb line and the included angle between the direction in the horizontal plane and the due north direction need to be adjusted, namely, the cradle head is controlled to enable the outputs of the two encoders on the horizontal plane and the plumb line to reach a certain value.
4. A temperature control method by utilizing competitive learning is characterized in that: the method comprises the following steps: the positioning device positions the target in real time and sends the position information to the coordination control system; the coordination control system controls one or more heating devices needing to work to move to a specified position according to the position information of the target; the temperature measuring device measures the ambient temperature of the target in real time and sends temperature information to the coordination control system; the coordination control system adjusts the working power of the heating device according to the current temperature;
the positioning device adopts an ultra-wideband technology, namely the UWB technology to position, and transmits data by sending and receiving extremely narrow pulses with nanosecond or below nanosecond level; the positioning device comprises a label, an anchor point and a positioning server, wherein the label is a target to be positioned, which is mobile and has unknown coordinates, the anchor point is a node with a known position or known absolute coordinates, the positioning device comprises a plurality of slave anchor points and master anchor points, the slave anchor points directly communicate with the label to complete the ranging process, the master anchor points are responsible for collecting ranging results of the slave anchor points, filtering invalid results, sending the primary data to the positioning server for positioning calculation after preliminary data arrangement, and sending a time calibration packet to the slave anchor points for synchronization. The positioning server calculates a positioning result through the ranging information sent by the main anchor point;
the temperature measuring device measures the ambient temperature of a target by adopting a contact type measuring method, a thermal resistance temperature sensor or a thermocouple sensor is arranged on a work clothes, the ambient temperature of the periphery of the target can be measured only by wearing the work clothes, the thermal resistance temperature sensor or the thermocouple sensor is respectively arranged at the front part, the rear part and two sleeves of the work clothes, when the ambient temperature of the periphery of the target needs to be detected, 4 sensors on the work clothes work at the same time to detect the ambient temperature, and the obtained results are averaged to be the ambient temperature;
the heating device is an infrared lamp or a hot air port, the movement mode of the heating device is the combination of translation and rotation, a fixed track is laid below the heating device, the track is integrally annular, the axle center of the track is hinged with one end of a rotating shaft, the other end of the rotating shaft is provided with a motor, a motor head of the motor is provided with a wheel, the wheel is arranged in the track, and the motor drives the wheel to move along the track when driving the wheel to rotate, so that the rotating shaft is driven to rotate around the axle center of the track; the heating device is also provided with a motor and wheels, the heating device is arranged on the rotating shaft, and the heating device makes linear motion on the rotating shaft through the motor and the wheels; when the motor on the heating device and the motor at one end of the rotating shaft move together, the heating device can stay at any point in the track; when a certain position needs to be heated, the heating device needs to be moved to the position for heating;
when the heating device is an infrared lamp, the radiation illumination value q of the infrared lamp received at a certain point is related to the distance r from the point to the axis of the infrared lamp and the heating current I, and the radiation illumination value q of the infrared lamp received at a certain point is as follows:
q＝f(r,I)；
when the heating device is a hot air port, the unit area heating power P received by a certain point is related to the distance l from the point to the hot air port, the air outlet speed v and the air outlet temperature t, and the unit area heating power received by a certain point is as follows:
p＝f(l,v,t)；
the coordination control system is used for receiving the position information and the temperature information and formulating a control strategy to control the corresponding heating device to supply heat to the target; when one or more targets are in a heating area, the radiant illumination value or the heating power per unit area of each target needs to reach a certain value; when m targets exist in an area, in order to meet the heat supply requirement, the coordination control system makes a control strategy and transmits the control strategy to a heating device needing to work; the control strategy includes controlling which heating devices are operated and at what power the heating devices are heating;
the specific control strategy is as follows:
when a plurality of heating devices exist, the decision method of the heat supply quantity of the specific heating device and the heat supply quantity of each heating device is as follows: suppose there are n heating devices, the number is: 1, …, n; power per heating device is OiIn which O isiIs more than 0: in totalThere are m positions that need heat supply, the serial number is: 1, …, m, j, the heat source needs to provide Q in unit timejTo maintain or reach its desired temperature tjWherein j is 1, …, m and QjThe heat quantity provided by the heating device i to the heating source j in unit time is P when the temperature is more than 0ij；
Step 1: for each heating device i
According to
Rearrange the corresponding decision variable x from small to large values ofiWherein the content of the first and second substances,
x having the smallest value ofiBecomes x1X with the largest valueiBecomes xnThe decision scheme uses a binary number X ═ X (X)1 x2 … xn)2Is shown, e.g., X ═ 00 … 01 (01)2Indicating that the nth heating device after rearrangement is turned on and the rest is turned off;
step 2: let Y be ═ infinity,
the currently adopted scheme is X ═ X (X)1 x2 … xn)2＝(0 0 … 1)2(ii) a According to QjIs ordered from large to small, i.e. Q, for its constraintjThe largest value is set as the first constraint, the next largest is set as the second constraint, …, and the smallest is set as the last constraint;
step 3: calculating an objective function value for the current solution
If the objective function value is smaller than Y, setting the first constraint as the current constraint, otherwise, turning to Step 6;
Step4：according to the current scheme X ═ X1 x2 … xn)2Judging whether the current constraint condition is met, if so, turning to Step5, otherwise, turning to Step 6;
step 5: judging whether constraints exist or not, if so, taking down one constraint as the current constraint, and turning to Step 4; otherwise, updating the optimal decision scheme
For the current scheme X, let Y be the objective function value of the current decision scheme X, go to Step 6;
step 6: judging X +1 ≦ (11 … 1)2If yes, taking the next scheme, namely taking X +1 as the current scheme, and turning to Step 3; otherwise go to Step 7;
step 7: after the algorithm is finished, outputting an optimal decision scheme
And a corresponding optimum value Y, if Y ═ infinity,
it indicates that the problem has no feasible solution;
wherein x isiIs a decision variable, 0 in 0 or 1 means that the ith heating device is turned off, and the opening 1 means that the ith heating device is turned on;
and xi0 or 1 as a constraint condition, wherein
An objective function, namely, minimizing the total energy consumption, wherein j is 1, …, and m represents that each heating source supplies a heat source which is equal to or more than the required amount of the heating source; and xi0 or 1 represents the value range of the decision variable.
5. The temperature control method using competitive learning according to claim 4, wherein: the method comprises the steps of measuring the time difference of signal receiving to position, enabling a person to be located on a hyperbolic curve with two access points as focuses according to the time difference of the measured signals, establishing two hyperbolic equations by at least adopting a third access point when the position of the person is determined, enabling the focuses of the two hyperbolic equations to be the position of the person as a coordinate, and conducting authorization correction through an additional access point to obtain better positioning accuracy.
6. The temperature control method using competitive learning according to claim 5, wherein: the heating device, the rotating shaft, the track and the holder jointly form heating equipment, i pieces of heating equipment are arranged in each space, each piece of heating equipment is provided with m rotating shafts, each rotating shaft is distributed with one heating device, and the heating devices can heat n persons in the coverage area inside the track; when the heating device rotates, the direction is adjusted by the holder to heat the position of the person; the heating device is arranged on an omnibearing pan-tilt which can rotate on a horizontal plane and a vertical plane, a motor is used for controlling the pan-tilt to rotate, and encoders are arranged on the two rotatable directions; the encoder on the horizontal plane can know the included angle between the direction of the heating device on the horizontal plane and the true north, and the encoder on the vertical plane can know the included angle between the direction of the heating device and the vertical line; when the direction of the heating device needs to be adjusted to enable the heating device to be opposite to a certain position, the included angle between the direction of the heating device and a plumb line and the included angle between the direction in the horizontal plane and the due north direction need to be adjusted, namely, the cradle head is controlled to enable the outputs of the two encoders on the horizontal plane and the plumb line to reach a certain value.
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