JP2012033416A - Control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accurately detect obstacles on the floor and to control facilities in accordance with the detected result, thereby improving the operation efficiency of the facilities.SOLUTION: A control system detects the positions of a user and objects such as cabinets and desks in a space where a facility apparatus is installed. The control system then selects an air conditioner 30 and a lighting device 40 which are optimum for adjusting the user's ambient environment based on a positional relationship between the user and the objects. Next, the control system controls the selected air conditioner 30 and lighting device 40 so as to adjust the user's ambient environment. Consequently, the user's ambient environment can be efficiently adjusted to thereby improve the operation efficiency of the facility apparatus such as air conditioner 30 and the lighting device 40.

Description

  The present invention relates to a control system, and more particularly to a control system for controlling the environment of a space where a user exists.

  In recent years, there has been an urgent need to cope with problems such as global warming and depletion of energy resources, and energy saving of electrical equipment installed in office buildings and houses has been promoted. The ratio of the amount of power consumed by air conditioning equipment and lighting devices installed in offices and the like is relatively high throughout the year. For this reason, if the electric power consumed by an air conditioner or a lighting device can be reduced, a large energy saving effect can be expected.

  In order to promote energy saving in offices and houses, it is often necessary for electrical equipment users to frequently change operations such as changing the temperature setting of the air conditioning equipment and turning off the lighting device in order to save energy. There is. However, such an operation largely depends on human intuition, and it is possible to forget the operation.

  In offices and the like, a plurality of electric facilities are generally arranged on one floor. For this reason, for example, while the air-conditioning ranges of the air-conditioning facilities and the illumination ranges of the lighting devices overlap each other, air-conditioning and lighting may be insufficient in a blind spot formed by a fixture placed on the floor. In this case, it is conceivable that the air conditioning efficiency and lighting efficiency of the entire floor will decrease.

  Therefore, various techniques for improving the air conditioning efficiency of the floor have been proposed (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 10-300165

  The air conditioner described in Patent Document 1 detects an obstacle such as a fixture placed on a floor to be air-conditioned based on an image from a CCD camera. And according to the layout of an obstacle, the output of an air conditioner, the angle of a louver, etc. are adjusted. Thereby, the air-conditioning efficiency of the floor used as air-conditioning object improves.

  However, the air conditioner described in Patent Document 1 has a disadvantage that if a large fixture or the like is located in the field of view of the CCD camera for detecting an obstacle, the detection of the obstacle behind the fixture becomes insufficient. is there.

  In addition, when a plurality of electrical facilities are arranged on one floor, the operation efficiency of the electrical facilities can be sufficiently increased if each electrical facility is not operated in consideration of the arrangement of the plurality of electrical facilities. Can not. However, Patent Document 1 does not include a description of a method for operating each electrical facility in consideration of the relationship between the plurality of electrical facilities.

  The present invention has been made under the circumstances described above, and accurately detects obstacles present on the floor, and controls the equipment according to the detected result to improve the operating efficiency of the equipment. Objective.

In order to achieve the above object, the control system of the present invention provides:
A control system for controlling the environment of a space where a user exists,
A plurality of facility devices arranged in the space so that the control range of the environment is dispersed,
First detecting means for detecting the position of the user;
Second detection means for detecting a position of an object arranged in the space;
Selection means for selecting the equipment with the smallest reduction rate of the control range by the object between the equipment and the user;
Control means for controlling the selected equipment according to the positional relationship between the selected equipment and the user,
Is provided.

  According to the present invention, when there is an obstacle serving as an obstacle between the equipment and the user, the equipment with the smallest rate of reduction of the space control range is selected by the object, and the selected equipment is selected. The equipment is controlled according to the positional relationship between the user and the equipment. For this reason, since the equipment in the optimum position for the user is mainly operated, the operating efficiency of the equipment is improved.

It is a block diagram of a control system concerning a 1st embodiment. It is a figure which shows arrangement | positioning of the apparatus which comprises a control system. It is a block diagram of each apparatus which comprises a control system. It is a figure which shows typically the information output from a communication part. It is a flowchart which shows the procedure which calculates the distance between an identification terminal and a base station terminal. It is a figure which shows the table which shows typically the address allocated to the identification terminal, and each identifier. It is a figure which shows arrangement | positioning of a user, a cabinet, and an illuminating device. It is a figure for demonstrating the specific procedure of an illumination area. It is a figure for demonstrating the calculation procedure of estimated illumination intensity. It is a figure which shows arrangement | positioning of a user, a cabinet, and an air conditioner. It is a figure which shows arrangement | positioning of a user, a cabinet, and an air conditioner. It is a block diagram of a control system concerning a 2nd embodiment. It is a flowchart which shows the procedure which detects the position of an identification terminal. It is a flowchart which shows the acquisition procedure of the positional information by a management terminal. It is a flowchart which shows the procedure which detects the movement of the user by a management terminal. It is a flowchart which shows the procedure which determines the control method of the selected apparatus. It is a flowchart which shows the procedure for selecting an illuminating device. It is a flowchart which shows the procedure for selecting an air conditioner. It is a block diagram of a control system concerning a 3rd embodiment. It is a block diagram of a position detection part. It is a figure which shows typically the positional relationship of a 1st imaging | photography part and a 2nd imaging | photography part. It is a figure which shows an example of a digital image. It is a figure which shows typically the positional relationship of a 1st imaging | photography part and a 2nd imaging | photography part. It is a flowchart which shows the process performed by a position calculation part.

<< First Embodiment >>
Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of a control system 10 according to the present embodiment. The control system 10 is a system that controls an illumination device and an air conditioner provided in a space where a cabinet or a desk is arranged. As shown in FIG. 1, the control system 10 includes a management terminal 20, two air conditioners 30 ₁ and 30 ₂ , four illumination devices 40 ₁ to 40 ₄ , five identification terminals 50 ₁ to 50 ₅ , And four base station terminals 60 _{1 to} 60 ₄ .

FIG. 2 is a diagram showing an arrangement of devices constituting the control system 10. As shown in FIG. 2, the air conditioner 30 ₁ is disposed on the ceiling of the front side of the space 100 (-Y side), the air conditioning apparatus 30 ₂ is disposed on the ceiling of the back side of the space 100 (+ Y side) ing. The air conditioners 30 ₁ and 30 ₂ are apparatuses that generate conditioned air by cooling or heating the air in the space 100 and discharging the generated conditioned air to the space 100.

FIG. 3 is a block diagram of each device constituting the control system 10. As can be seen with reference to FIG. 3, the air conditioners 30 ₁ and 30 ₂ include a communication unit 31 and an output control unit 32.

  The communication unit 31 includes a communication interface that performs packet communication using UWB (Ultra Wide Band) radio waves. FIG. 4 is a diagram schematically illustrating information output from the communication unit 31. As shown in FIG. 4, the information output from the communication unit 31 includes a transmission source model code 71, a transmission source address 72, a transmission destination model code 73, a transmission destination address 74, a command 75, and a payload 76. .

  The transmission source model code 71 is a code for specifying the type of the transmission source device. Here, the transmission source model code 71 is an identification code indicating that the transmission source device is the air conditioner 30. The transmission source address 72 is an address assigned to the air conditioner 30. The transmission destination model code 73 is a code for specifying the reception destination of the information output from the communication unit 31. For example, when the communication unit 31 transmits information to the management terminal 20, the transmission destination model code 73 is a code indicating that the transmission destination device is the management terminal 20. The transmission destination address 74 is an address assigned to a device that receives the information output from the communication unit 31. The command 75 is a command for the destination device. The payload 76 is information corresponding to the contents of the command 75. For example, when the command 75 is a control request for the air conditioner 30, the content of the payload 76 is information regarding the air volume, the wind direction, and the like of the air discharged from the air conditioner 30.

  The communication unit 31 performs wireless communication with the management terminal 20. When the information output from the management terminal 20 is received, the received information is output to the output control unit 32.

The output control unit 32 receives information output from the management terminal 20 via the communication unit 31. Then, the amount of conditioned air discharged into the space 100 and the discharge direction are adjusted according to the content of the received information. For example, the air conditioners 30 ₁ and 30 ₂ have four outlets for discharging conditioned air in four directions. The output control part 32 adjusts the quantity of the conditioned air output from each blower outlet by adjusting the rotation speed of the fan with which the air conditioners 30 ₁ and 30 ₂ are provided. And the discharge direction of conditioned air is adjusted by adjusting the angle of each louver arrange | positioned at each blower outlet.

  When the adjustment of the amount and direction of the conditioned air is completed, the output control unit 32 outputs operation information related to the temperature of the conditioned air, the discharge amount of the conditioned air, the discharge direction, and the like to the communication unit 31. Thereby, this driving information is output to the management terminal 20 by the communication unit 31.

As illustrated in FIG. 2, the lighting devices 40 ₁ to 40 ₄ are rectangular lighting devices whose longitudinal direction is the Y-axis direction. The illumination devices 40 ₁ and 40 ₂ are arranged along the inner wall surface on the left side (−X side) of the space 100. The lighting devices 40 ₃ and 40 ₄ are disposed along the inner wall surface on the right side (+ X side) of the space 100.

As can be seen with reference to FIG. 3, the lighting devices 40 ₁ to 40 ₄ include a communication unit 41 and a light control unit 42.

  The communication part 41 is comprised including the communication interface which performs packet communication using the electromagnetic wave of UWB similarly to the communication part 31 of the air conditioning apparatus 30 mentioned above. The communication unit 41 performs wireless communication with the management terminal 20. When the information output from the management terminal 20 is received, the received information is output to the dimming unit 42.

The light control unit 42 receives information output from the management terminal 20 via the communication unit 41. And the light quantity of the illumination light inject | emitted from the illuminating device 40 is adjusted according to the content of the received information. For example, the illumination devices 40 ₁ to 40 ₄ have a plurality of LEDs or fluorescent lamps as light sources. The dimmer 42, the number of LED and the lighting, by increasing or decreasing the number of fluorescent lamps, to adjust the light amount of the illumination light emitted from the illumination device 40 ₁ to 40 _4.

When the adjustment of the amount of illumination light output from the illuminating devices 40 ₁ to 40 ₄ is completed, the dimming unit 42 outputs operation information regarding the number of light sources that are lit by the illuminating devices 40 ₁ to 40 ₄ to the communication unit 41. To do. Thereby, this driving information is output to the management terminal 20 by the communication unit 41.

As shown in FIG. 2, each of the base station terminals 60 _{1 to} 60 ₄ is arranged on the ceiling of the space 100. These base station terminals 60 _{1 to} 60 ₄ transmit predetermined signals in response to requests from the identification terminals 50 ₁ to 50 ₅ .

As can be seen with reference to FIG. 3, the base station terminals 60 _{1 to} 60 ₄ include a communication unit 61 and a distance measurement response unit 62.

The communication part 61 is comprised including the communication interface which performs packet communication using the electromagnetic wave of UWB similarly to the communication part 31 of the air conditioning apparatus 30 mentioned above. The communication unit 61 performs wireless communication with each of the identification terminals 50 ₁ to 50 ₅ . When the information output from the identification terminals 50 ₁ to 50 ₅ is received, the received information is output to the distance measurement response unit 62.

The distance measurement response unit 62 receives information output from the identification terminals 50 ₁ to 50 ₅ via the communication unit 61. The distance measurement response unit 62 outputs distance measurement information when the received information includes a signal transmission command. The distance measurement information includes, for example, a code for identifying the identification terminals 50 ₁ to 50 ₅ , a time when the distance measurement information is output, and the like. The distance measurement information output from the distance measurement response unit 62 is output to the identification terminals 50 ₁ to 50 ₅ by the communication unit 61.

The identification terminals 50 ₁ to 50 ₅ calculate the positions of the identification terminals 50 ₁ to 50 _{5 in} the space 100 based on the distances to the base station terminals 60 _{1 to} 60 _4, and send these position information to the management terminal 20. Output. In the present embodiment, as shown in FIG. 2, the identification terminal 50 ₁ is fixed to the cabinet 101 ₁ . The identification terminal 50 ₂ is fixed to the cabinet 101 ₂ disposed in the cabinet 101 ₁ on the back side (+ Y side). The identification terminal 50 ₃ is fixed to the desk 103 ₁ disposed in the cabinet 101 ₁ on the right side (+ X side). The identification terminal 50 ₄ is fixed to the desk 103 ₂ disposed on the far side of the desk 103 _1. The identification terminal 50 ₅ is possessed to the user 105 to perform operations such as a space 100.

As can be seen by referring to FIG. 3, the identification terminals 50 ₁ to 50 ₅ include a communication unit 51, a distance measurement unit 52, and a position calculation unit 53.

The communication part 51 is comprised including the communication interface which performs packet communication using the electromagnetic wave of UWB similarly to the communication part 31 of the air conditioning apparatus 30 mentioned above. The communication unit 51 performs wireless communication with the management terminal 20 and the base station terminals 60 _{1 to} 60 ₄ . When the information output from the management terminal 20 is received, the received information is output to the distance measuring unit 52. Information output from the distance measurement unit 52 and the position calculation unit 53 is output to the management terminal 20 or the base station terminals 60 _{1 to} 60 ₄ .

The distance measurement unit 52 receives information output from the management terminal 20 via the communication unit 51. When the received information includes a distance measurement command, the distance measurement unit 52 outputs information including a signal transmission command to the communication unit 51. This information is output to the base station the terminal 60 ₁ via the communication unit 51.

Information including the signaling command and is output to the base station terminal ₆₀ 1 to 60 _4, from the base station terminal ₆₀ 1 to 60 _4, the above-mentioned distance measurement information is transmitted. The distance measurement unit 52 constituting the identification terminals 50 ₁ to 50 ₅ calculates the distance between the base station terminals 60 _{1 to} 60 ₄ and the base station terminals 60 _{1 to} 60 ₄ based on the arrival time of the distance measurement information. . Hereinafter, the procedure for calculating the distance between the identification terminals 50 ₁ to 50 ₅ and the base station terminals 60 _{1 to} 60 ₄ by the distance measuring unit 52 will be described with reference to the flowchart shown in FIG.

FIG. 5 is a flowchart showing a procedure for calculating the distance between the identification terminal 50 ₁ and the base station terminal 60 ₁ . The distance measurement unit 52 first transmits a distance measurement request signal S (1) via the communication unit 51 (step S101).

Distance measuring response unit 62 of the base station terminal 60 ₁ via the communication unit 61, when receiving the ranging request signal S (1), a response signal ID (1) for the ranging request signal S (1), It transmits via the communication part 61 (step S201).

The distance measuring unit 52 via the communication unit 51 receives the response signal ID (1), the time wave is taken to reciprocate between the identification terminal 50 ₁ and the base station terminal 60 ₁ (time required) Is calculated.

For example, the distance measuring unit 52 calculates a time T1 from time t1 when the distance measurement request signal S (1) is transmitted to time t4 when the response signal ID (1) is received. Then, from this time T1, the base station terminal 60 _1, reduces the processing time T3 from the reception of the ranging request signal S (1) to the transmission response signal ID (1).

The treatment time T3 is the time the base station terminal 60 ₁ is required to perform signal processing. For this reason, it does not vary depending on the distance between the base station terminal 60 ₁ and the identification terminal 50 ₁ and is always constant. The distance measuring unit 52, by subtracting the processing time T3 from the time T1, and the time required for electromagnetic waves arriving at the base station terminal 60 ₁ from the identification terminal 50 ₁ T2, identification electromagnetic waves from the base station terminal 60 ₁ terminal 50 The sum with time T4 required to reach ₁ is calculated as response time RT (1) (= T2 + T4) (step S102). The processing time T3 is substantially equal between the base station terminals 60 _{1 to} 60 ₄ , is measured in advance, and is stored in the distance measuring unit 52 of the identification terminal 50 ₁ .

When the response time RT (1) is calculated, the distance measuring unit 52 multiplies the electromagnetic wave propagation velocity V and the response time RT (1) divided by 2 as shown in the following equation (1). , and it calculates the measurement distance MD (1) of the identification terminal 50 ₁ and the base station terminal 60 ₁ (step S103).

  MD (1) = V × (RT (1) / 2) (1)

The distance measuring unit 52 of the identification terminal 50 _1, the distance between the distance MD (2), the distance MD (3) with the base station terminal 60 _3, and a base station terminal 60 ₄ with the base station terminal 60 ₂ in the above procedure MD (4) is further calculated. Then, information on the distances MD (1), MD (2), MD (3), MD (4) is output to the position calculation unit 53.

The position calculation unit 53 of the identification terminal 50 ₁ includes the positions Po1 (1) to Po1 (4) of the base station terminals 60 _{1 to} 60 ₄ in the space 100 and the distances MD (1) to MD calculated by the distance measurement unit 52. (4) on the basis to calculate the position of the identification terminal 50 ₁ Po2 (1) in the space 100.

Specifically, the position calculation unit 53 calculates the evaluation function ε (Po2) using the following equation (2). Then, the evaluation function epsilon (Po2) such that a minimum is calculated position Po2 (1) as the position of the identification terminal 50 _1.

The position calculation unit 53 of the identification terminal 50 ₁ uses the calculated position Po2 (1), the type identifier, the control method identifier, and the target information of the identification terminal 50 ₁ as position information via the communication unit 51. Output to the management terminal 20.

FIG. 6 shows a table schematically showing addresses and identifiers assigned to the identification terminals 50 ₁ to 50 ₄ . As can be seen by referring to the table shown in FIG. 6, the type-specific identifier identifies whether the object provided with the identification terminals 50 ₁ to 50 ₄ is the cabinet 101, the desk 103, or the user 105. It is a code to do. For example, from the position measuring unit of the identification terminal 50 _1, the object identifying device is provided is output identifier indicating the cabinet 101 _1.

The control method identifier is a code for identifying a control object to be controlled by the management terminal 20 and a condition for executing the control. For example, from the position measuring unit of the identification terminal 50 _1, a control object illumination device 40, the control condition, the control method identifier user 105 to be in the vicinity is output. According to this control method identifier, the lighting device 40 whose distance from the user 105 is equal to or less than the threshold value is controlled.

The object information is a code for identifying the size of the object provided with the identification terminals 50 ₁ to 50 ₄ . For example, from the position measuring unit of the identification terminal 50 _1, the cabinet 101 ₁ of the width of the object, the depth, the information indicating the height is outputted.

The operation of the distance measurement unit 52 and the position calculation unit 53 of the identification terminal 50 _{1 has been described} above. The distance measurement unit 52 and the position calculation unit 53 of the other identification terminals 50 ₂ , 50 ₃ , and 50 ₄ are also described above. In the procedure, the positions of the identification terminals 50 ₂ , 50 ₃ , and 50 ₄ in the space 100 are calculated. And the information regarding the calculated position is output to the management terminal 20.

  As illustrated in FIG. 3, the management terminal 20 includes a communication unit 21, a position detection unit 22, a movement detection unit 23, a lighting device selection unit 24, an air conditioning device selection unit 25, and a control determination unit 26.

  The communication part 21 is comprised including the communication interface which performs packet communication using the electromagnetic wave of UWB similarly to the communication part 31 of the air conditioning apparatus 30 mentioned above. The communication unit 21 performs wireless communication with the air conditioner 30, the lighting device 40, and the identification terminal 50. Then, the information received from the outside is output to the position detection unit 22. In addition, the information output from the position detection unit 22 and the control determination unit 26 is output to the air conditioner 30, the lighting device 40, or the identification terminal 50.

The position detection unit 22 notifies the identification terminals 50 ₁ to 50 ₅ of a transmission command for information regarding the positions Po2 (1) to Po2 (5). When the transmission commands are notified, the identification terminals 50 ₁ to 50 ₅ output information on the positions Po2 (1) to Po2 (5) to the management terminal 20. When the position detection unit 22 acquires information about the positions Po2 (1) to Po2 (5) via the communication unit 51, the position detection unit 22 uses the acquired information as the movement detection unit 23, the lighting device selection unit 24, and the air conditioning device selection unit 25. Output to.

The movement detection unit 23, based on a change in the position of the identification terminal 50 _5, which is carried by the user 105 Po2 (5), to predict the example 3 seconds after the transfer destination user 105. And a prediction result is output to the illuminating device selection part 24 and the air-conditioner selection part 25. FIG.

The illuminating device selection unit 24 selects an illuminating device to be controlled from among the illuminating devices 40 ₁ to 40 ₄ based on the positions Po2 (1) to Po2 (5) of the identification terminals 50 ₁ to 50 ₅ . For example, as shown in FIG. 7, a case where the user 105, working at a desk 103 _2.

In this case, the illumination device selection unit 24, from the position information that the user 105 is output from the identification terminal 50 ₅ in possession to identify the location in space 100 of the user 105. Next, the lighting device closest to this position is specified. Here, the lighting device 40 ₂ is identified as the closest lighting device from the user 105.

Then, the illumination device selection unit 24, among the illumination range of the illumination device 40 _2, the cabinet 101 _2, to identify the range to decrease. As seen with reference to FIG. 6, according to the control method identifier of a desk 103 _2, desk 103 ₂ becomes illuminated object when the user 105 is near. Therefore, the lighting device selection unit 24, among the illumination range of the desk 103 ₂ by the illumination device 40 _2, identifies the extent be reduced by the cabinet 101 _2. Hereinafter, a description will be given with reference to FIG.

Lighting device selection unit 24, the lighting device 40 _2, the cabinet 101 _2, and desk 103 ₂ each position, and a target information shown in FIG. 6, in the plane (hereinafter, referred to as illumination plane) including an upper surface of the desk 103 ₂ calculating the illumination range of the illumination device 40 _2. Specifically, as shown in FIG. 8, the lighting device selection unit 24 first four straight lines defined by the respective four vertices of P0 and the cabinet 101 ₂ top point indicating the position of the illumination device 40 ₂ And intersections P1, P2, P3, and P4 with the irradiation surface are calculated. Area of the rectangle defined by the intersection P1~P4 is a cabinet 101 _2, is equivalent to the area when projected onto the irradiation surface. Then, the illumination device selection unit 24 calculates a rectangle defined by the intersection P1 to P4, the area of the region (overlapping region) where the upper surface of the desk 103 ₂ overlap. The overlap region has a vertex P5, P7 of the desk 103 ₂ of the upper surface four vertices P5, P6, P7, P8, the intersection P2 and the intersection P4 between the the outer edge of the segment and the desk 103 ₂ top is defined by This is a rectangular area defined by the four points P5, P7, P9, and P10 of the intersection points P9 and P10.

Lighting device selection unit 24 has determined the overlap region, then the area of the upper surface of the desk 103 _2, the area of the overlap region by subtracting, of the upper surface of the desk 103 _2, illumination light from the illumination device 40 ₂ Specifies the area of the illumination area on which is incident Then, the distance between the illumination device 40 ₂ and the desk 103 _2, on the basis of the intensity of the illumination light from the illumination device 40 _2, to calculate the estimated illuminance in the illumination region.

Estimating irradiance X in the illumination area, the illumination device 40 and _second luminous intensity A, the distance between the illumination device 40 ₂ and the desk 103 ₂ B, the proportion (irradiation rate) C of the illumination area relative to the area of the upper surface of the desk 103 ₂ variables It can be calculated using the following equation (3). Intensity A, the distance B, the irradiation ratio C is, if the value shown in Figure 9, the estimated illuminance of the illumination device 40 ₂ becomes 355 [lx]

X = A / B ² × C (3)

Lighting device selection unit 24, in order distance is short from the desk 103 ₂ a user 105 is performing work, by performing the processes described above are sequentially select the remaining lighting apparatus 40, for desk 103 ₂ per lighting device 40 The illuminance of the illumination area is calculated. The illuminance on the illumination area is highest, it selects the illumination device 40 a distance closest from the desk 103 _2. Here, as seen with reference to FIG. 7, a short distance from the desk 103 ₂ to the next lighting unit 40 _2, illuminance is high lighting device 40 ₃ is selected in the illumination area than the illumination device 40 _2. Illuminance of the illumination area by the illumination device 40 _3, 444 [lx], and the excess of illumination by the illumination device 40 _2. Therefore, the lighting device selection unit 24 selects the illumination device 40 _3. Then, the selection result is output to the control determination unit 26.

In addition, when the lighting device selection unit 24 receives the movement destination predicted by the movement detection unit 23, the lighting device selection unit 24 selects the lighting device in consideration of the prediction result from the movement detection unit 23. For example, as can be seen with reference to FIG. 7, when the user 105 indicated by the solid line moves along the arrow and reaches the position indicated by the virtual line, the lighting device selection unit 24 sequentially selects the lighting device 40. _1, to select the illumination device 40 _4. Then, the selection result is output to the control determination unit 26.

Air conditioner selection unit 25 based on the position information of the identification terminal ₅₀ 1 to 50 _5, the path length of the conditioned air between the user 105 and the air conditioning device 30 _1, between the user 105 and the air conditioner 30 ₂ The path length of the conditioned air is calculated. For example, as illustrated in FIG. 10, consider a case where the user 105 is located on the −X side of the cabinets 101 ₁ and 101 ₂ . In this case, as seen with reference to FIG. 10, the linear distance D1 between the air conditioner 30 ₁ and the user 105 is compared with the linear distance D2 between the air conditioner 30 ₂ and the user 105, who linear distance D2 is a straight line It is shorter than the distance D1. However, as shown in FIG. 11, between the user 105 and the air conditioning unit 30 _2, the cabinet 101 ₂ is present. Therefore, the path of the conditioned air discharged from the air conditioner 30 _2, a path that bypasses the upper cabinet 101 _2.

Therefore, the air-conditioning apparatus selection unit 25 compares the path length of the conditioned air between the user 105 and the air conditioning unit 30 _1, and the path length of the conditioned air between the user 105 and the air conditioning unit 30 _2. Of the air conditioner 30 ₁ and the air conditioner 30 _2, selects the air conditioner 30 towards the path length of the conditioned air is shortened. Here, the cabinet 101 ₁ is lower than the user 105, the length of the path of the conditioned air between the user 105 and the air conditioning device 30 ₁ is substantially equal to the linear distance D2. Accordingly, where the air conditioning apparatus 30 ₁ is selected. When the air conditioner selection unit 25 selects an air conditioner, the selection result is output to the control determination unit 26.

  When the control determination unit 26 receives the selection result from the lighting device selection unit 24 and the selection result from the air conditioning device selection unit 25, the ambient temperature of the user 105 is set to a preset temperature for the selected air conditioning device 30. Thus, the temperature and the direction of the conditioned air discharged from the air conditioner 30 are adjusted. Moreover, the control determination part 26 controls the output of the selected illuminating device 40 so that the upper surface of the desk 103 on which the user 105 performs work has a predetermined illuminance.

  Moreover, as a control method of the air conditioner 30 and the lighting device 40, when the user 105 is moving, the output is suppressed, and when the user is near the fixture, the user is determined to be working, It is conceivable to increase the output. Moreover, when the user 105 does not exist in the space 105, it is good also as stopping the air conditioner 30 and the illuminating device 40. FIG.

  As described above, in the present embodiment, the positions of objects such as the user 105, the cabinet 101, and the desk 103 existing in the space 100 are detected. Next, based on the positional relationship between the user 105 and the above-described object, the air conditioner 30 and the lighting device 40 that are optimal for adjusting the surrounding environment of the user 105 are selected. Then, the selected air conditioner 30 and lighting device 40 are controlled to adjust the surrounding environment of the user 105. That is, in this embodiment, the optimal air conditioner 30 or lighting device 40 is controlled to adjust the surrounding environment of the user 105. Therefore, the surrounding environment of the user 105 can be adjusted efficiently, and as a result, the operating efficiency of equipment such as the air conditioner 30 and the lighting device 40 is improved.

  In this embodiment, the position of the user 105 arranged in the space 100 or the object represented by the cabinet 101 and the desk 103 is detected based on the position in the space 100 of the identification terminal 50 provided for each object. The Therefore, even if the arrangement of the cabinet 101 and the desk 103 is changed in the space 100, the positions of the respective objects are newly detected, and the air conditioner 30 and the lighting device 40 are newly added according to the detected positions. Selected. Therefore, even if the internal layout of the space 100 is changed, it is possible to efficiently operate the equipment without human operation.

  Moreover, in this embodiment, the case where the illuminating device selection part 24 selected one illuminating device 40 was demonstrated. Not limited to this, when the space 100 is a relatively large floor or the like, a plurality of lighting devices may be preferentially selected from those having high illuminance in the lighting area. Moreover, it is good also as selecting the some illuminating device whose distance from the user 105 is 3 m or less, for example.

  Moreover, in the said embodiment, the case where the air conditioner selection part 25 selected one air conditioner 30 was demonstrated. However, the present invention is not limited to this, and a plurality of air conditioners 30 may be preferentially selected from those with short conditioned air paths. Thereby, the load of each illuminating device 40 and the air conditioner 30 can be reduced. Moreover, it is good also as selecting the some air conditioner whose distance from the user 105 is 3 m or less, for example.

  Further, in the present embodiment, the position of the identification terminal 50 in the space 100 is calculated by the cooperation of the distance measurement unit 52 and the position calculation unit 53 configuring the identification terminal 50. Not limited to this, the management terminal 20, the base station terminal 60, and the like may detect the position of each identification terminal 50 using the distance between the identification terminal 50 and the base station terminal 60. Thereby, size reduction and cost reduction of the control unit including the memory, CPU, and the like of the identification terminal 50 can be achieved. In particular, when the number of identification terminals 50 to be prepared is large, the cost of the system can be greatly reduced.

  In the present embodiment, the distance between the identification terminal 50 and the base station terminal 60 is calculated based on the time during which the electromagnetic wave propagates between the identification terminal 50 and the base station terminal 60. Not limited to this, the distance between the identification terminal 50 and the base station terminal 60 may be calculated based on the attenuation amount of the electromagnetic wave propagated between the identification terminal 50 and the base station terminal 60.

  Moreover, in this embodiment, the case where the management terminal 20 was provided in the wall surface of the space 100 was demonstrated. Not only this but the management terminal 20 may be integrated with the illuminating device 40, the air conditioner 30, etc. FIG.

  The identification terminal 50 may include a temperature sensor. According to this, the management terminal 20 can acquire information (temperature information) related to the temperature measured by the identification terminal 50, and can control the air conditioner 30 and the like based on the acquired temperature information.

  The identification terminal 50 may have an interface for receiving data. According to this, when air conditioning related information such as hot or cold is input by the user, the air conditioner 30 can be controlled based on the input information. In addition, when lighting-related information such as bright and dark is input, the lighting device 40 can be controlled based on the input information.

<< Second Embodiment >>
Next, a second embodiment of the present invention will be described with reference to the drawings. In addition, about the structure same or equivalent to 1st Embodiment, while using an equivalent code | symbol, the description is abbreviate | omitted or simplified. FIG. 12 is a block diagram of a control system 10A according to the present embodiment. The control system 10A according to the present embodiment is the same as the control system 10 according to the first embodiment in that the management terminal 20, the identification terminal 50, and the base station terminal 60 are configured in the same manner as a microcomputer or a personal computer. It is different.

  As shown in FIG. 12, the management terminal 20 includes a CPU 20a, a main storage unit 20b, an auxiliary storage unit 20c, and a communication unit 20d.

  The main storage unit 20b includes a volatile memory such as a RAM (Random Access Memory), and is used as a work area of the CPU 20a. The auxiliary storage unit 20c includes a non-volatile memory such as a hard disk, and stores a program executed by the CPU 20a. Further, the auxiliary storage unit 20c sequentially stores information transmitted from each identification terminal 50.

  Similarly, the identification terminal 50 includes a CPU 50a, a main storage unit 50b, an auxiliary storage unit 50c, and a communication unit 50d. The base station terminal 60 includes a CPU 60a, a main storage unit 60b, an auxiliary storage unit 60c, and a communication unit 60d.

  In the control system 10A, the calculation of the position Po2 by the identification terminal 50 is performed according to the flowchart shown in FIG. Hereinafter, the process executed by the CPU 50a of the identification terminal 50 will be described with reference to FIG.

  In the first step S301, the CPU 50a resets the counter n.

  In the next step S302, the CPU 50a determines whether or not there has been a position detection request from the management terminal 20. When the CPU 50a receives a position detection request via the communication unit 20d (step S302: Yes), the CPU 50a proceeds to the next step S303. If the position detection request has not been received yet (step S302: No), the process returns to step S301, and the processes of step S301 and step S302 are repeatedly executed until the determination in step S302 is affirmed.

  In step S303, the CPU 50a increments the value of the counter n.

  In the next step S304, the CPU 50a measures the distance to the nth base station terminal 60. For example, as shown in FIG. 2, when four base station terminals 60 are installed in the space 100, the base station terminals 60 are counted according to the addresses assigned to the base station terminals 60. Then, the CPU 50a measures the distance from the corresponding base station terminal 60 according to the procedure described in the first embodiment.

  In the next step S305, the CPU 50a determines whether or not the counter n is smaller than the number of base station terminals (for example, 4). When the value of the counter n is smaller than the number of base station terminals (step S305: Yes), the CPU 50a returns to step S303, and thereafter repeats the processing of steps S303 to S305 until the determination in step S305 is denied. Execute. Thereby, distances MD (1) to MD (4) between the identification terminal 50 and the four base station terminals 60 are respectively measured.

  On the other hand, when the value of the counter n is equal to or greater than the number of base station terminals (step S305: No), the CPU 50a proceeds to the next step S306.

  In the next step S306, the evaluation function ε (Po2) is calculated using the above equation (2). Then, the position Po2 that minimizes the evaluation function ε (Po2) is calculated as the position of the identification terminal 50.

  In the next step S307, the CPU 50a outputs information regarding the calculated position Po2 and the type identifier, control method identifier, and target information of the identification terminal 50 to the management terminal 20 via the communication unit 51 as position information. .

  When the process of step S307 ends, the CPU 50a returns to step S301, and thereafter repeatedly executes the processes of steps S301 to S307.

  In the control system 10A, the acquisition of the position information by the management terminal 20 is performed according to the flowchart shown in FIG. Hereinafter, the process executed by the CPU 20a of the management terminal 20 will be described with reference to FIG.

  In the first step S401, the CPU 20a resets the counter n.

  In the next step S402, the CPU 20a increments the counter n.

  In the next step S403, the CPU 20a outputs a position information transmission command to the nth identification terminal 50. For example, as illustrated in FIG. 2, when five identification terminals 50 are installed in the space 100, the identification terminals 50 are counted according to the address assigned to the identification terminal 50. Then, the CPU 20a outputs a transmission command to the corresponding identification terminal 50.

  In the next step S404, the CPU 20a waits for position information. And if position information is received (step S404: Yes), it will transfer to step S405.

  In the next step S405, the CPU 20a stores the received position information in the auxiliary storage unit 20c together with information specifying the identification terminal 50 that has transmitted the position information.

  On the other hand, when the position information has not been received (step S404: No), the process proceeds to step S406.

  In the next step S406, the CPU 20a determines whether or not a predetermined time (for example, 1 minute) has elapsed since the transmission command was output. If the predetermined time has not elapsed at the time of the determination in step s406, the CPU 20a returns to step S404 and repeats the processes of step S404 and step S406 until the determination in step S406 is affirmed.

  On the other hand, if the predetermined time has elapsed at the time of the determination in step S406, the CPU 20a determines that the communication has timed out (step S406: Yes), and proceeds to the next step S407.

  In step S407, the CPU 20a determines whether or not the value of the counter n is smaller than the number of identification terminals 50 (for example, 5). When the value of the counter n is smaller than the number of identification terminals 50 (step S407: Yes), the CPU 20a returns to step S402, and thereafter performs the processing from step S402 to step S407 until the determination at step S407 is denied. Run repeatedly. On the other hand, when the value of the counter n is equal to or greater than the number of identification terminals 50 (step S407: No), the CPU 20a ends the process for acquiring position information.

  In the control system 10A, the movement of the user 105 by the management terminal 20 is detected according to the flowchart shown in FIG. Hereinafter, the process executed by the CPU 20a of the management terminal 20 will be described with reference to FIG.

  In the first step S501, the CPU 20a resets the counter n.

  In the next step S502, the CPU 20a increments the counter n.

  In the next step S503, the CPU 20a detects the movement of the nth user 105. The movement of the user 105 predicts the movement destination of the user 105 based on the change in the position Po2 of the identification terminal 50 possessed by the user 105. Specifically, the moving speed and the moving direction are calculated by comparing the threshold between the difference between the current position Po2 and the position Po2 acquired one frame before. Then, the movement destination of the user 105 is predicted based on the calculated result. For example, it is conceivable that the above threshold value is determined assuming that the walking speed of the user is 4 km.

  In the next step S504, the CPU 20a determines whether or not the movement distance calculated in step S503 is greater than or equal to a threshold value. If the movement distance is greater than the threshold (step S504: Yes), the process proceeds to step S505. If the movement distance is equal to or smaller than the threshold (step S504: No), the process proceeds to step S506.

  In step S505, the CPU 20a turns on the movement flag. On the other hand, in step S506, the CPU 20a turns off the movement flag. Thereby, it is possible to determine whether or not the nth user 105 is moving based on the movement flag.

  In the next step S507, the CPU 20a determines whether or not the value of the counter n is smaller than the number of users 105. When the value of the counter n is smaller than the number of users 105 (step S507: Yes), the CPU 20a returns to step S502, and thereafter repeats the processing from step S502 to step S507 until the determination in step S507 is denied. Execute. On the other hand, when the value of the counter n is equal to or greater than the number of users 105 (step S507: No), the CPU 20a ends the process for detecting the movement of the user 105.

  In the control system 10A, the selection of the lighting device 40 and the air conditioning device 30 by the management terminal 20 and the determination of the control method of the selected device are performed according to the flowchart shown in FIG. Hereinafter, the process executed by the CPU 20a of the management terminal 20 will be described with reference to FIG.

  In the first step S601, the CPU 20a resets the counter n.

  In the next step S602, the CPU 20a increments the value of the counter n.

  In the next step S603, the CPU 20a determines whether or not the nth user 105 is moving. This determination is made based on the movement flag. When the nth user 105 is not moving (step S603: No), the process proceeds to the next step S604.

  In step S604, the CPU 20a resets the counter m.

  In the next step S605, the CPU 20a increments the counter m.

  In the next step S606, the distance between the mth fixture placed in the space 100 and the user 105 is calculated according to the procedure described in the first embodiment. For example, as shown in FIG. 2, when six fixtures such as a cabinet 101 and a desk 103 are arranged in the space 100, the fixtures are counted according to the address assigned to the identification terminal 50 provided in each fixture. Is done. The CPU 20a calculates the distance between the corresponding fixture and the user 105.

  In the next step S607, the CPU 20a determines whether or not the value of the counter m is smaller than the number of fixtures (for example, 4). When the value of the counter m is smaller than the number of fixtures (step S607: Yes), the CPU 20a returns to step S605, and thereafter repeatedly executes the processing of steps S605 to S607 until the determination at step S607 is denied. . Thereby, the distances between the two cabinets 101 and the two desks 103 arranged in the space 100 and the user 105 are sequentially calculated.

  On the other hand, when the value of the counter m is equal to or greater than the number of fixtures (step S607: No), the CPU 20a proceeds to the next step S608.

  In the next step S608, the CPU 20a executes a subroutine 700 shown in FIG. 17 in order to select the illumination device 40.

  In the first step S701 of the subroutine 700, the CPU 20a resets the counter i.

  In the next step S702, the CPU 20a increments the counter i.

  In the next step S703, the CPU 20a specifies an illumination area by the i-th illumination device 40. For example, as shown in FIG. 2, when four lighting devices 40 are arranged in the space 100, the lighting devices 40 are counted according to addresses assigned to the respective lighting devices 40. And CPU20a specifies the illumination area | region of the applicable illuminating device 40 in the procedure demonstrated in 1st Embodiment.

  In the next step S704, the CPU 20a estimates the illuminance in the specified illumination area by the procedure described in the first embodiment.

  In the next step S705, the CPU 20a determines whether or not the value of the counter i is equal to or less than the number of lighting devices 40. When the value of the counter i is less than or equal to the number of lighting devices 40 (step S705: Yes), the CPU 20a returns to step S702, and thereafter the processing of steps S702 to S705 is repeated until the determination in step S705 is denied. Repeatedly. Thereby, the illumination intensity about each illuminating device 40 is estimated sequentially.

  On the other hand, when the value of the counter i is larger than the number of illumination devices 40 (step S705: No), the CPU 20a proceeds to the next step S706.

  In step S <b> 706, the CPU 20 a selects the lighting device 40 with the highest illuminance estimated in step S <b> 705. When the process in step S706 ends, the CPU 20a ends the subroutine 700 and proceeds to step S609.

  In step S609, the CPU 20a executes a subroutine 800 shown in FIG. 18 in order to select the air conditioner 30.

  In the first step S801 of the subroutine 800, the CPU 20a resets the counter i.

  In the next step S802, the CPU 20a increments the counter i.

  In the next step S803, the CPU 20a measures the path length of the conditioned air between the i-th air conditioner 30 and the user 105. For example, as shown in FIG. 2, when two air conditioners 30 are arranged in the space 100, the air conditioners 30 are counted according to the address assigned to each air conditioner 30. Then, the CPU 20a measures the path length between the corresponding air conditioner 30 and the user 105 according to the procedure described in the first embodiment.

  In the next step S804, it is determined whether or not the value of the counter i is smaller than the number of air conditioners 30. When the value of the counter i is smaller than the number of air conditioners 30 (step S804: Yes), the CPU 20a returns to step S802, and thereafter performs the processing of steps S802 to S804 until the determination in step S804 is denied. Run repeatedly. Thereby, the path length about each air conditioner 30 is calculated sequentially.

  On the other hand, when the value of the counter i is equal to or greater than the number of air conditioners 30 (step S8045: No), the CPU 20a proceeds to the next step S805.

  In step S805, the CPU 20a selects the air conditioner 30 that minimizes the route calculated in step S804. When the process in step S805 ends, the CPU 20a ends the subroutine 800 and proceeds to step S611.

  On the other hand, when the nth user 105 is moving in step S603 (step S603: Yes), the CPU 20a proceeds to step S610. In step S610, for example, the lighting device 40 and the air conditioning device 30 that are closest to each other are selected from the current position and the movement destination position of the user 105.

  In the next step S611, the CPU 20a determines the control method for the selected lighting device 40 and air conditioner 30 according to the procedure described in the first embodiment.

  In the next step S612, it is determined whether or not the value of the counter n is smaller than the number of users 105. When the value of the counter n is smaller than the number of users 105 (step S612: Yes), the CPU 20a returns to step S602, and thereafter repeats the processing from step S602 to step S612 until the determination at step S612 is denied. Execute. Thereby, the control method of the illuminating device 40 and the air conditioner 30 corresponding to each of the plurality of users 105 existing in the space 100 is determined.

  On the other hand, when the value of the counter n is equal to or greater than the number of users 105 (step S612: No), the CPU 20a proceeds to the next step S613.

  In step S613, the lighting apparatus 40 and the air conditioner 30 are notified of the control method determined in step S611. When the process in step S613 ends, the CPU 20a ends the process for determining control.

  As described above, a microcomputer, a personal computer, or the like can be used as the management terminal 20, the identification terminal 50, and the base station terminal 60.

<< Third Embodiment >>
Next, a third embodiment of the present invention will be described with reference to the drawings. In addition, about the structure same or equivalent to the said embodiment, while using an equivalent code | symbol, the description is abbreviate | omitted or simplified. The control system 10B according to the present embodiment is the same as the control systems 10 and 10B according to the above embodiments in that the position of an object existing in the space 100 is detected by performing stereo matching processing on two images. Different.

  FIG. 19 is a block diagram of a control system 10B according to the present embodiment. As illustrated in FIG. 19, the control system 10 </ b> B includes a position detection unit 80 that can perform wireless communication with the management terminal 20.

  FIG. 20 is a block diagram of the position detection unit 80. As illustrated in FIG. 20, the position detection unit 80 includes a communication unit 81, a position calculation unit 82, a first imaging unit 83A, and a second imaging unit 83B.

  The communication unit 81 is configured to include a communication interface that performs packet communication using UWB radio waves. The communication unit 81 performs wireless communication with the management terminal 20. When the information output from the management terminal 20 is received, the received information is output to the position calculation unit 82.

  The first imaging unit 83A and the second imaging unit 83B are digital cameras having an imaging element such as a CCD. The first photographing unit 83A and the second photographing unit 83B are installed, for example, on the inner wall or ceiling of the space 100 in a state in which the respective optical axes are parallel to each other. FIG. 21 is a diagram schematically illustrating the positional relationship between the focal point F1 and the image plane PL of the first photographing unit 83A and the focal point F2 and the image plane PR of the second photographing unit 83B. As can be seen from FIG. 21, the optical axis of the first imaging unit 83A coincides with the Z axis, and the optical axis of the second imaging unit 83B coincides with a straight line L parallel to the Z axis. The distance between the first photographing unit 83A and the second photographing unit 83B is d, and the focal lengths of the first photographing unit 83A and the second photographing unit 83B are f.

  When the inside of the space 100 is photographed, the first photographing unit 83A outputs data relating to the digital image Ph1 as a photographing result to the position calculating unit 82. In addition, when the second imaging unit 83B captures the inside of the space 100, the second imaging unit 83B outputs data regarding the digital image Ph2 as the imaging result to the position calculation unit 82.

  FIG. 22 is a diagram illustrating the digital image Ph1 and the digital image Ph2. As shown in FIG. 22, the digital image Ph <b> 1 and the digital image Ph <b> 2 are so-called stereo images in which the angles of objects reflected in the respective images are different.

  The position calculation unit 82 is, for example, a personal computer or a microcomputer. The position calculation unit 82 detects the position of an object in the space 100, such as the cabinet 101 or the desk 103, by performing image processing such as stereo matching processing on the digital image Ph1 and the digital image Ph2. As can be seen from FIG. 23, the coordinates of the subject position P1 in the space 100 are (x1, x2, x3), the coordinates of the subject position P2 on the image plane PL are (XL, YL, f), and the image If the coordinates of the subject position P3 on the plane PR are (XR, YR, f), the subject position P1 in the space 100 is expressed by the following equation (4).

  The position calculation unit 82 calculates the position of each object placed in the space 100 using the above equation (4). Then, the calculated position information of the object is output to the management terminal 20 via the communication unit 81.

  Next, the operation of the position calculation unit 82 constituting the position detection unit 80 described above will be described with reference to the flowchart of FIG.

  In the first step S901, the position calculation unit 82 determines whether or not a position detection request has been received from the management terminal 20. When the position calculation unit 82 receives a position detection request via the communication unit 81 (step S901: Yes), the position calculation unit 82 proceeds to the next step S902.

  In the next step S902, the position calculation unit 82 instructs the first photographing unit 83A and the second photographing unit 83B to photograph the space 100. As a result, imaging by the first imaging unit 83A and the second imaging unit 83B is executed, and data of the digital images Ph1 and Ph2 are output to the position calculation unit 82.

  In the next step S903, the position calculation unit 82 detects an object that appears in the digital images Ph1 and Ph2.

  In the next step S904, the position calculation unit 82 performs image processing such as stereo matching processing on the digital images Ph1 and Ph2, and calculates the position of the object reflected in the digital images Ph1 and Ph2.

  In the next step 905, the position calculation unit 82 outputs the calculated position information of the object to the management terminal 20 via the communication unit 81. When the processing in step S905 ends, the position calculation unit 82 returns to step S901, and repeatedly executes the processing in transition steps S901 to S905.

  When receiving the position information of the object, the management terminal 20 selects the air conditioner 30 and the lighting device 40 based on the position information, and executes control according to the arrangement of the object.

  As described above, in the present embodiment, the positions of objects such as the user 105, the cabinet 101, and the desk 103 existing in the space 100 are detected. Next, based on the positional relationship between the user 105 and the above-described object, the air conditioner 30 and the lighting device 40 that are optimal for adjusting the surrounding environment of the user 105 are selected. Then, the selected air conditioner 30 and lighting device 40 are controlled to adjust the surrounding environment of the user 105. That is, in this embodiment, the optimal air conditioner 30 or lighting device 40 is controlled to adjust the surrounding environment of the user 105. Therefore, the surrounding environment of the user 105 can be adjusted efficiently, and as a result, the operating efficiency of equipment such as the air conditioner 30 and the lighting device 40 is improved.

  In the present embodiment, it is not necessary to assign the identification terminal 50 to each cabinet 101 or desk 103 arranged in the space 100. For this reason, the system can be simplified. Therefore, it is possible to reduce the manufacturing cost and running cost of the system.

  In the present embodiment, the case where the position detection unit 80 includes two imaging units has been described. For example, when many blind spots are formed in the space 100 by the object, the position detection unit 80 may detect the object using three or more imaging units.

  In the present embodiment, the case where the position detection unit 80 includes two imaging units has been described. However, the present invention is not limited to this, and digital images with different viewpoints may be acquired while moving one imaging unit.

  As mentioned above, although embodiment of this invention was described, this invention is not limited by said each embodiment. For example, in each of the above-described embodiments, the case where the number of base station terminals 60 is four has been described, but the number of base station terminals 60 may be five or more. Moreover, although each said embodiment demonstrated the case where the number of the identification terminals 50 was five, the number of the identification terminals 50 may be six or more. In short, the number of base station terminals 60 and identification terminals 50 corresponding to the capacity of the space 100 may be arranged. In this case, the identification terminal 50 and the base station terminal 60 may perform multi-hop communication.

  In addition, if the fixtures arranged in the space 100 are large or have a complicated shape, a plurality of identification terminals 50 may be assigned to one fixture. This makes it possible to easily estimate the shape and size of the fixture. In this case, it is desirable to prepare an identifier indicating the attachment position of the identification terminal 50.

  Various embodiments and modifications of the present invention are possible without departing from the broad spirit and scope of the present invention. The above-described embodiments are for explaining the present invention, and do not limit the scope of the present invention. That is, the scope of the present invention is shown not by the embodiments but by the claims. Various modifications within the scope of the claims and within the scope of the equivalent invention are considered to be within the scope of the present invention.

  The control system of the present invention is suitable for controlling a space environment.

10, 10A, 10B Control system 20 Management terminal 20a CPU
20b Main storage unit 20c Auxiliary storage unit 20d Communication unit 21 Communication unit 22 Position detection unit 23 Movement detection unit 24 Illumination device selection unit 25 Air conditioner selection unit 26 Control decision unit 30 Air conditioner 31 Communication unit 32 Output control unit 40 Illumination device 41 Communication unit 42 Dimming unit 50 Identification terminal 50a CPU
50b Main storage unit 50c Auxiliary storage unit 50d Communication unit 51 Communication unit 52 Distance measurement unit 53 Position calculation unit 60 Base station terminal 60a CPU
60b Main storage unit 60c Auxiliary storage unit 60d Communication unit 61 Communication unit 62 Distance measurement response unit 71 Source model code 72 Source address 73 Destination model code 74 Destination address 75 Command 76 Payload 80 Position detection unit 81 Communication unit 82 Position Calculation unit 83A First imaging unit 83B Second imaging unit 100 Space 101 Cabinet 103 Desk 105 User Ph1, Ph2 Digital image PL, PR Image plane.

Claims (14)

A control system for controlling the environment of a space where a user exists,
A plurality of facility devices arranged in the space so that the control range of the environment is dispersed,
First detecting means for detecting the position of the user;
Second detection means for detecting a position of an object arranged in the space;
Selection means for selecting the equipment with the smallest reduction rate of the control range by the object between the equipment and the user;
Control means for controlling the selected equipment according to the positional relationship between the selected equipment and the user,
A control system comprising: The equipment is a lighting device,
The control system according to claim 1, wherein the selection unit selects the illuminating device having a smallest rate of reduction in the illumination range of the illuminating device by the object. The selection means projects the object onto the illumination range,
Based on the area of the illumination range excluding the projected range, the distance of the illumination device, and the intensity of illumination light emitted from the illumination device, the illuminance of the control range is estimated,
The control system according to claim 2, wherein the lighting device having the highest estimated illuminance is selected. The selection means selects the illumination devices in order of the estimated illuminance,
The control system according to claim 3, wherein the control unit controls the selected lighting device such that the control range around the user is equal to or greater than a predetermined illuminance. The equipment is an air conditioner that harmonizes the air in the space,
The control system according to claim 1, wherein the selection unit selects the air conditioner having a shortest path until the air discharged from the air conditioner reaches the user.   The control system according to claim 5, wherein the selection unit estimates the route that does not interfere with an object positioned between the user and the air conditioner, and selects the air conditioner that has the shortest estimated route. The selection means selects the air conditioner in order of shortest estimated route,
The control system according to claim 6, wherein the control unit controls the selected air conditioner so that the control range around the user satisfies a predetermined temperature condition or humidity condition. Comprising movement detection means for detecting movement of the user;
The control system according to any one of claims 1 to 7, wherein the selection unit selects the equipment according to a detection result of the movement detection unit. A plurality of reference terminals arranged at a reference position of the space;
A first identification terminal assigned to the user;
A second identification terminal assigned to the object;
With
The control system according to claim 1, wherein the first detection unit detects the position of the user based on a distance between each of the reference terminals and the second identification terminal.   The control system according to claim 1, wherein the second detection unit detects the position of the object based on a distance between each of the reference terminals and the first identification terminal.   The control system according to claim 9, wherein the distance between the reference terminal and the identification terminal is calculated based on a time required for electromagnetic waves to propagate between the reference terminal and the identification terminal.   The control system according to claim 9, wherein the reference terminal and the identification terminal perform multi-hop communication. Two first photographing means and second photographing means for photographing the space;
The first detection unit detects a position of the user by performing a stereo matching process using the first image captured by the first imaging unit and the second image captured by the second imaging unit. The control system according to claim 1.   The control system according to claim 13, wherein the second detection unit detects a position of the object by performing a stereo matching process using the first image and the second image.

Images