JP2013195341A - Recognition system, controller therefor, and recognition method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve the inconvenience that absence is recognized although a recognition object is present in a prescribed area, in a recognition system which uses a presence recognizing sensor that detects a movement of the recognition object within the prescribed area to output a detection signal, and stops outputting detection signals when the recognition object is in a micromotion state or in a static state.SOLUTION: First and second recognition sensors 200A and 200C are mounted respectively in a prescribed recognition area 201C, and an adjacent area 201A adjacent to the prescribed recognition area 201C by sandwiching a doorway 406 therebetween, and presence/absence of a recognition object within the recognition area 201C is detected according to a coordinated pattern of detection signals P of the first and second sensors.

Description

  The present invention relates to a recognition system for recognizing or detecting whether a presence target such as a person is present in a predetermined area by using a presence recognition sensor using a pyroelectric infrared sensor or the like, a controller thereof, and a recognition method. .

In recent homes, etc., in order to improve user convenience, a system that detects the presence of a person and automatically turns on and off the lighting fixtures is widely adopted as a recognition sensor for detecting the presence of a person. A human sensor using a pyroelectric effect is generally used.
For example, Japanese Unexamined Patent Application Publication No. 2007-227330 (Patent Document 1) discloses a ceiling-mounted lighting fixture with a human sensor. According to Japanese Patent Laying-Open No. 2007-227330 (Patent Document 1), in the lighting operation switching mode of the direct lighting fixture, a human sensor standby mode is further provided in addition to the normal security light mode that always lights. The human sensor standby mode is provided with a fade-out function in which after the human detection is completed, the safety light is turned on for several tens of seconds by a delay circuit, and then gradually becomes dark and turns off. The human sensor part is provided to be exposed in a direction away from the center of the luminaire main body at the peripheral edge of the luminaire main body.
However, the human sensor using the pyroelectric effect does not output a detection signal when the movement amount of the person is equal to or less than the threshold (fine movement), and does not reset the delay time of the delay circuit. Regardless of the case, it was turned off. As described above, a recognition sensor of a type that cannot recognize a finely moving or stationary object for a predetermined time or more may erroneously recognize the presence of the presence recognition target.

  For this reason, in order to accurately detect the presence of a person in a relatively small private room such as a toilet, the same indoor area is divided into an inner area and an outer annular area outside thereof, and a separate human sensor is provided, A moving body detection device that detects the movement of a person has been developed from the context of the output timings of the two sensors. (Patent Document 2)

JP 2007-227330 A JP-A-8-146149

The moving body detection device can detect the movement of a room in a stationary or finely-moved person that cannot be detected by a single human sensor. A human sensor must be used. Even when human movement is detected, the delay time of the delay circuit is set longer than usual so that the time until the light turns off automatically is increased. There was an inconvenience that the light was turned off despite the presence of. In particular, when detecting whether a person is present in a relatively large room such as a living room or a tatami room, it is necessary to provide a sensor that uses the large room as a detection area. As inappropriate.
The present invention has been made to solve such a problem, and an object of the present invention is to provide a system, a controller, and a recognition method for eliminating erroneous recognition of the recognition sensor.

The recognition system according to the present invention detects a movement of a recognition target in a predetermined area, outputs a detection signal, and recognizes using a presence recognition sensor that does not output a detection signal when the recognition target enters a fine movement state or a stationary state. In the system, the presence recognition sensor is provided as a first recognition sensor and a second recognition sensor in adjacent areas adjacent to the predetermined recognition area across the entrance and exit, respectively. The presence / absence of the recognition target in the predetermined recognition area is detected by a cooperation pattern of detection signals.
Since the recognition system according to the first aspect detects the presence or absence of a recognition target in a predetermined area based on a cooperation pattern of detection signals of at least two presence recognition sensors, the recognition target is stationary or in a fine motion state. Even if the recognition sensor cannot recognize the presence, it does not misrecognize the presence of the recognition target.
Therefore, the inconvenience in the case where the detection signal is not output even though the recognition target exists in the area is solved. In particular, if the room is wider than the detection area, even if there is a person outside the detection area, the presence detection can be performed correctly.

Further, in the recognition system according to another aspect, the two recognition sensors can be used alone as sensors for recognizing the existence or non-existence of the recognition target in each detection area. It is possible to make a system that correctly recognizes the presence / absence of the recognition target in each area by using the conventional sensor as it is.
In the recognition system according to another aspect, the number of recognition objects existing in a predetermined area is counted. Therefore, when a plurality of recognition objects exist in the area, the presence state is changed until all the recognition objects are absent. Therefore, even if one person in the room leaves the room and the other person is asleep, for example, there is a person in the room that turns on / off indoor lighting and other equipment. Can be performed as desired. Therefore, the inconvenience that the room illumination is turned off even though the recognition target exists is eliminated.

In addition, the controller according to the present invention uses a presence recognition sensor that detects a movement of a recognition target in a predetermined area and outputs a detection signal, and stops outputting a detection signal when the recognition target is in a fine movement state or a stationary state. A controller used in a recognition system,
Connected to the predetermined recognition area and the first and second recognition sensors respectively arranged in adjacent areas adjacent to the predetermined recognition area across the entrance and exit,
Supplying detection signals of the first and second recognition sensors, detecting a predetermined linkage pattern of the detection signals, and performing control to detect the presence / absence of the recognition target in the predetermined recognition area It is characterized by.
When the controller according to this aspect is supplied with the detection signals of the at least two presence recognition sensors via a network, the controller performs control to detect that there is a recognition target in a predetermined detection area, based on a cooperation pattern of the detection signals. Therefore, it is possible to construct a recognition system that eliminates misidentification in a predetermined area.
In particular, there is an advantage that the recognition system can be constructed by connecting to an existing recognition detection sensor via a network.

Furthermore, the recognition method according to the present invention uses a presence recognition sensor that detects a movement of a recognition target in a predetermined area and outputs a detection signal, and does not output a detection signal when the recognition target enters a fine movement state or a stationary state. A recognition method,
The presence recognition sensor is provided as a first recognition sensor and a second recognition sensor in a predetermined recognition area and an adjacent area adjacent to the predetermined recognition area across the entrance and exit, and detection signals of the first and second recognition sensors are provided. The presence or absence of the recognition target in the predetermined recognition area is detected by a cooperation pattern.
The recognition method according to this aspect can provide a method for easily and accurately recognizing a recognition target that is in a stationary state or a fine movement state while existing in a predetermined area.

  As described above, according to the present invention, a recognition system, a recognition method, and a controller that constructs the recognition system can be provided that can more accurately determine whether or not there is a recognition target such as a person in a room.

It is a block diagram which shows the whole recognition system 1 which concerns on Embodiment 1 of this invention. It is a time chart which shows an example of the output signal of a pyroelectric infrared sensor. 2 is a block diagram illustrating a hardware configuration of a controller 100 according to the first embodiment. FIG. It is explanatory drawing of the pattern management table in this Embodiment 1. FIG. 3 is a flowchart illustrating a processing procedure performed by a CPU 102 of a controller 100 according to the first embodiment. 10 is a flowchart of a processing procedure of the recognition system according to the second embodiment. 10 is a flowchart of a processing procedure of a modification of the recognition system according to the third embodiment. FIG. 10 is a configuration diagram illustrating a sensor arrangement of a recognition system according to a fourth embodiment. 10 is a flowchart of a processing procedure of the recognition system according to the fourth embodiment. It is a block diagram which shows sensor arrangement | positioning of the recognition system which concerns on Embodiment 5. FIG. It is a block diagram which shows sensor arrangement | positioning of the recognition system which concerns on Embodiment 6. FIG. It is explanatory drawing of the sensor group management table used for Embodiment 6. FIG.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. However, the same portions may be denoted by the same reference numerals, and the detailed description thereof may not be repeated.
(Embodiment 1)
First, the overall configuration of the recognition system according to the present embodiment will be described with reference to FIG. Referring to FIG. 1, recognition system 1 of the present embodiment includes a human sensor (first recognition target detection sensor) 200 </ b> A installed on the ceiling of hallway 401 and a human sensor installed on the ceiling of room 402. (Second recognition target detection sensor) 200C and the controller 100 connected to these human sensors 200A and 200C via the network N, and the presence / absence of a person in the room 402 (recognition target) It is characterized in that it is detected not from only the human sensor 200C but from the cooperation pattern of the detection timings of the detection sensors 200A and 200C.
The operation of the controller 100 is controlled by a CPU (to be described later). In response to the detection of the occupant, the lights 301A and 301B, the air conditioner 302, the television 303, etc. in the room 402 connected by the network N It also controls the operation of home appliances. Note that if there is another home appliance in the room 402, it may be connected to the network N.

The human sensors 200A and 200C are, for example, pyroelectric infrared sensors that detect a moving heat source. As shown in FIG. 2, a general pyroelectric infrared sensor uses a delay circuit (not shown) to detect a detection signal P (P1, P2,. ) Sensor output T (T1, T2,...), And in many cases, the lighting circuit of the lighting fixture is directly controlled based on the output T. Therefore, for example, when the next detection signal P2 is generated after the sensor output T1 based on the detection output P1 is stopped, the sensor output T2 having the pulse width X is output at that timing. For this reason, a period in which there is no sensor output T occurs between the sensor outputs T1 and T2. However, when the detection signal P2 is generated at the timing when the sensor output T1 is output, the delay circuit is reset, and the sensor output T2 having the pulse width X is further generated from the P2 generation timing. It is maintained for a longer time than the delay time X.

On the other hand, in the present embodiment, the controller 100 detects the presence or absence of the detection signal P through the network N, and when the signal P is generated, the lighting signal Z is a time corresponding to the delay time as necessary. (Not shown) can be output via the network N. Therefore, it is not necessary to use the delay circuit and sensor output T described above.
The human sensor 200 </ b> A detects that there is a person in the hallway 401, and naturally also detects a person near the hallway 401 side of the entrance / exit (door) 406. The human sensor 200 </ b> C detects a person in the room 402, and also detects a person near the indoor entrance / exit (door) 406.
The detection areas 201A and 201C are adjacent to each other at the entrance / exit (boundary) 406 portion provided with the door, but the detection area 201C does not need to cover the entire area of the room 402 as shown in FIG. Further, the human sensor 200A has a corridor 401 as wide as possible as a detection area, and is drawn like an ellipse in FIG. 1, but a sensor having an appropriate shape may be used.

Further, when the human sensor 200A alone detects a person passing through the corridor 401, the controller 100 can output the lighting signal Z via the network N and turn on the corridor lighting 401P (hereinafter, corridor). The lighting signal to the illumination 401P is referred to as ZP). In other words, if there is a human sensor already installed in the corridor 401, the human sensor 200A can be used. Similarly, the indoor human sensor 200C can be used as well, and a human sensor previously installed in a home appliance such as an air conditioner or a light can be used as the human sensor. It is. In this case, it is necessary to install information on the human sensor of the home appliance so that data communication with the controller 100 is possible via a wired or wireless network N.

The controller 100 uses, for example, a wireless LAN, ZigBee (registered trademark), Bluetooth (registered trademark), wired LAN (Local Area Network), or PLC (Power Line Communications) as the network N. The controller 100 may be portable, may be detachable from a base loaded on a table, or may be fixed to a wall of a room.
The controller 100 includes a CPU (Central Processing Unit) 102, a display 103, a tablet 104, a memory 105, a button 106, a communication interface 107, a speaker 108, a clock 109, as shown in FIG. Is provided.
The memory 105 stores a control program executed by the CPU 102, and is realized by various RAMs (Random Access Memory), ROMs (Read-Only Memory), hardware disks, and the like.

(For example, the memory 105 is a USB (Universal Serial Bus) memory, CD-ROM (Compact Disc-Read Only Memory), DVD-ROM (Digital Versatile Disk-Read Only Memory), which is used via a read interface. , Memory card, FD (Flexible Disk), hard disk, magnetic tape, cassette tape, MO (Magnetic Optical Disc), MD (Mini Disc), IC (Integrated Circuit) card (excluding memory card), optical card, mask ROM, (It is also realized by a program storage medium such as EPROM and EEPROM (Electronically Erasable Programmable Read-Only Memory).)

The display 103 displays operation states of the human sensors 200A and 200C, the lights 301A and 301B, the air conditioner 302, and the television 303 under the control of the CPU 102. The tablet 104 detects a touch operation with a user's finger and inputs touch coordinates or the like to the CPU 102. The CPU 102 receives a command from the user via the tablet 104. In the present embodiment, a tablet 104 is laid on the surface of the display 103. That is, in the present embodiment, display 103 and tablet 104 constitute touch panel 110. However, the controller 100 may not have the tablet 104.

As the button 106, a plurality of buttons such as a determination key, a direction key, and a numeric keypad installed on the surface of the controller 100 may be arranged on the controller 100. The button 106 inputs a command from the user to the CPU 102.
The communication interface 107 transmits / receives data to / from human sensors 200A and 200C, lightings 301A and 301B, hallway lighting 401P, an air conditioner 302, a television 303, and other home appliances via the network N under the control of the CPU 102. The speaker 108 outputs sound based on a command from the CPU 102. For example, the CPU 102 causes the speaker 108 to output sound based on the sound data.
The clock 109 inputs the current date and time to the CPU 102 and the memory 105 based on a command from the CPU 102.
Accordingly, the CPU 102 sequentially stores the detection signals P (referred to as PA and PC, respectively) of the human sensors 200A and 200C in a predetermined area of the memory 105 in time series based on the program. That is, the time of detection signal generation (P = 1) is stored sequentially. Thereby, only the detection signals (PA or PC) of any of the detection sensors can be arranged in time series, or the generation interval between the detection outputs PA and PC of different human sensors can be detected.

Next, the operation of the recognition system 1 according to the present embodiment will be described.
Referring to FIG. 1, a controller 100 according to the present embodiment detects detection signals PA1, PA2,..., PC1, PC2,. (Or information indicating that a person is not detected) or the like is detected, and the detected time (PA, PC rise timing time) is sequentially stored in a predetermined area of the memory 105 (referred to as storage data) ).
Further, the controller 100 determines whether or not the detection signals PA of the human sensors 200A and 200C and the pattern of the rising timing of the PC match the entry pattern W1 or the exit pattern W2. As shown in FIG. 4, the room entry pattern W1 is a pattern in which the detection signal PC of the human sensor 200C is generated with a time delay from the detection signal PA of the human sensor 200A. Time) is the above delay time, for example, within 2 minutes. The exit pattern W2 is a case where the generation timing is in the order of PC → PA having the reverse generation timing, and the generation time difference between the two is within 2 minutes. Although W3 and W4 will be described later, the pattern management table 101A is stored in a predetermined area of the memory 105.

Therefore, in the case of this embodiment, every time the detection signals PA and PC are generated, the pattern comparison with the patterns W1 and W2 is performed using the stored data. Since the room entry pattern W1 indicates that a person has moved from the corridor 401 to the room 402, when the controller 100 determines that the person has entered the room entry pattern W1, the occupancy counter C provided in a predetermined area of the memory 105 (see FIG. 3). Is set, and a home appliance on signal Z1 for turning on the home appliances in the room 402 such as the lights 301A and 301B, the air conditioner, and the television in the room 402 is output via the network N based on the set output. The set state of the counter C is maintained regardless of the presence or absence of the output of the human sensor 200C, and is maintained until the occupancy counter C is determined to be the exit pattern W2 and reset. Therefore, even if there is a person in the room 402 and the stationary state continues for a long time or when the detection sensor 200C continues to output the absence of a person (PC = 0) even if it is outside the detection area 201C of the human sensor 200C, The home appliances in 402 never turn off.

Conversely, if the controller 100 determines that the exit pattern W2 is at the rising timing of the detection signal PA of the human sensor 200A, the controller 100 resets the occupancy counter C because the person has moved from the room 402 to the corridor 401. The home appliance on signal Z1 is stopped. Accordingly, in this case, home appliances such as the lighting 301 </ b> A of the room 402 are turned off via the network N.
When the detection signal PA is neither the pattern W1 nor the pattern W2, it is a normal detection signal for detecting that there is a person in the corridor 401, and therefore the normal operation of turning on the corridor illumination 401P is performed.
As described above, in this embodiment, instead of directly turning on / off home appliances or the like based on the sensor output T of the human sensor, signal generation patterns W1 and W2 based on the cooperation of the detection signals PA and PT of the two sensors. The feature is that the presence or absence of a person in the room is detected. With such a configuration, even though there is a person in the room 402, it is possible to eliminate a malfunction caused by the human sensor 200C not generating the detection signal PC that senses the person.

The above processing in the controller 100 is realized by each hardware and software executed by the CPU 102. Such software is stored in advance in the memory 105, but can also be obtained in a form that can be downloaded from a storage medium or the Internet. Such software is read from the storage medium by using a reading device (not shown) or downloaded by using the communication interface 107 and temporarily stored in the memory 105. The CPU 102 stores the software in the form of an executable program in the memory 105 and then executes the program. Here, the program includes not only a program directly executable by the CPU but also a program in a source program format, a compressed program, an encrypted program, and the like.

Next, information processing in the controller 100 will be described with reference to a flowchart of FIG. When executing the recognition operation, the CPU 102 requests the memory 105 for detection result data from the human sensors 200A and 200C.
When the CPU 102 detects the generation of the detection signal P from the human sensors 200A and 200C (step S101), the CPU 102 determines whether the detection signal P is PA or PC (step S102). If it is the detection signal PC from the sensation sensor 200C, it is determined in step S103 whether or not the room entry pattern W1.
This determination is made based on a series of stored data stored in the memory 105 (for example, the detection signals P are sequentially stored in time series). In this case, since there is no occupant in the room 402, the indoor human sensor 200C generates the human detection signal PC, and thus the detection signal PA is generated immediately before the detection signal PC. It is confirmed by the occupancy detection means using the stored data that it is within 2 minutes of the recognition time. If the condition is satisfied, it is determined that the person has entered the pattern W1, and the occupancy counter C is set (step S104). With the set output of the occupancy counter C, the CPU 102 transmits the home appliance on control signal Z1 to the indoor home appliances such as the room lights 301A and 301B via the communication interface 107 and the network N, and turns on the home appliance.

Next, as a result of detecting the detection signal P, if it is determined in step S103 that the signal PC does not correspond to the pattern W1 (NO in S103), the signal PC is generated in response to the movement of the occupant. As a result, the process returns to step S101, and the indoor home appliance continues to be on.
Conversely, if the detection signal is determined to be PA in step S102 (NO in S102), it is determined in step S106 whether the exit pattern is W2. In the case of the leaving pattern W2, the occupant exits from the room 402 to the corridor 401. Therefore, the occupancy counter C is reset, and the home appliances disposed in the room 402 are turned off via the communication interface 107. A power-off signal Z2 such as a command, a power-off state maintenance command, or a command to increase the strength is transmitted to turn off the home appliance (step S108).
If it is determined in step S106 that the exit pattern is not W2 (NO in S106), the detection signal PA is simply a signal that detects a person in the corridor 401, and thus a normal corridor that turns on the corridor illumination 401P. The illumination lighting flow F109 is executed. That is, the lighting signal ZP of the corridor lighting 401P is transmitted to the corridor lighting 401P via the network N, and the lighting state is set. Since this lighting signal ZP lasts for time X (for example, 2 minutes), the time is counted in step S109-2, and after the time X is counted, the corridor lighting 401P is turned off.
In the present embodiment, since the detection signal PA is a signal that detects that there is a person in the hallway 401, the hallway lighting lighting flow F is executed irrespective of the determination of the leaving pattern W2. In the case of the leaving pattern W2, the detection sensor PA is detected by the movement of the room occupant who has entered the hallway 401 without executing the hallway lighting lighting flow F109 according to the detection signal PA that is the object of the determination. Since 200A generates the detection signal PA again, the corridor lighting 401P is eventually turned on by the flow S101 → S102 → S106 → F109 based on the detection signal PA. In this case, the generation of the detection signal PA is delayed once, but the time difference depends on the operation speed of the CPU 102, but is very fast compared to the human time sense, so there is substantially no trouble. Absent.

(Embodiment 2)
Although the said Embodiment 1 demonstrated the case where the resident was one person, the case where a resident person becomes multiple persons is demonstrated. The number of people in the room basically assumes that one person enters for each room entry pattern W1, and the room counter C1 can be counted up and down, and is not output at count zero. Manage the number of people in the room. Therefore, the controller 100 assumes that there is no occupant in the room 402 in the initial state.
The operation will be described below based on the flowchart of FIG. Since the basic operation is the same as that in the flowchart of FIG. 5, the different operation will be mainly described. If it is determined that the detection signal P is PC1 (a numerical value added in the sense of the first detection signal PC. The same applies hereinafter) and it is the entrance pattern W1 in step S103, in step S114, The counter C1 is counted up (+1), and in step S105, home appliances such as the lights 301A and 301B in the room 402 are turned on. At this stage, the count of the counter C1 is “1”, indicating that there is only one person in the room.
When a new detection signal PC2 is subsequently detected and it is determined in step S103 that it is not the room entry pattern W1 (in the case of NO in step 103), that is, the detection signal PC due to the movement of a occupant already in the room. If it is determined, the process returns to step S101, and the occupancy counter C1 is not counted up.
However, if a new detection signal PC3 is subsequently detected and it is determined in step 103 that the room entry pattern is W1, the occupancy counter C1 is incremented (+1) in step 114 and set to "2". At this time, since the indoor home appliance is in the on state, in step 105, the on state of the indoor home appliance is maintained.

Next, when a new detection signal P is detected and it is determined in step S102 that the signal is the detection signal PA1 of the detection sensor 200A (in the case of NO in step 102), it is determined whether or not the exit pattern W2 in step S106. Is done. If it is determined that the room leaving pattern W2, the occupancy counter C1 is counted down (-1) in step S117 to set the count to "1". In the subsequent step S110, it is determined whether or not the count of the occupancy counter C1 is “0”. In this case, since the count is not “0”, the process moves to step S105 and the indoor home appliance is kept on. To do.
In the above step 106, if NO, the detection signal PA1 is a signal indicating that there is a person in the hallway, such as when a person passes through the hallway 401, so the hallway lighting onflow F109 is executed and the hallway lighting 401P is turned on for a predetermined time. Light.
Here, when a new detection signal PA2 is detected and it is determined in step S106 that the room exit pattern W2 is present, the occupancy counter C1 is counted down to a count “0”. For this reason, in step S110, it is determined that there is no occupant in the room, and the indoor home appliance is turned off. Even in this case, the corridor lighting 401P is lit for a predetermined time as in the case of FIG.
Thus, when there are no people in the room, the indoor home appliance is turned off. For this reason, even in a room where a plurality of people enter and exit, such as a living room, it is possible to correctly detect the occupant and turn on and off the indoor home appliances.

(Embodiment 3)
However, if two or more people enter or leave the room at the same time, the occupancy counter C1 may not match the number of people in the room. In a particularly inconvenient case, the occupancy counter C1 becomes zero when there are occupants, and the home appliances are turned off. In the present embodiment, in order to eliminate such inconvenience, even if the occupancy counter C1 becomes zero, if there is a person remaining in the room 402, the occupancy is immediately after the counter becomes zero. The person often moves, and the human sensor 200C uses the fact that the person detection signal PC is output.
That is, as shown in FIG. 7, if the detection signal PC of the human sensor 200C is present after the counter C1 becomes zero based on the determination of the leaving pattern W2, the routine of step S101 → S102 → S103 NO. Therefore, step S111 is provided, and when the occupancy counter C1 is zero (ie, NO), the process moves to step S114 to count up the counter C1 and turn on the indoor home appliance. In other words, an operation in which a person is present is performed.
On the other hand, when the count of the occupancy counter C1 is not “0”, it is detected that the occupant is already present, so the process returns to step S101 and waits for the next detection signal P. In this way, even if the occupancy counter C1 becomes zero for a moment, the counter C1 becomes 1 immediately, and the home appliance on output can be maintained.

(Embodiment 4)
In the third embodiment, when the number of people in and out of the room cannot be accurately grasped, it is assumed that the number of people in the room becomes zero although the count of the room counter C1 is not zero. A recognition system capable of more accurately detecting the number of people entering and leaving the room is shown in FIG. FIG. 8 is obtained by adding a human sensor 200B in which only the vicinity of the entrance / exit 406 is the detection area 201B to the system 1 of FIG. The human sensor 200B outputs a detection signal PB for detecting a person or a sensor output TB having a slight delay time, and can accurately output the number of persons passing through the sensor area 201B. Used as a sensor. In FIG. 8, the detection area 200B is not overlapped with the detection areas 200A and 200C. (Note that even if some areas overlap, there is no problem, but the control is complicated.)
In this way, the number of people in the room can be accurately detected by using the detection signal PB of the human sensor 200B after the pattern determination of either leaving or entering the room as the count-up or count-down signal of the occupancy counter C1. I can do it. That is, when two people enter the room 402 through the entrance / exit 406 almost simultaneously, it can be determined that the room entry pattern W1 is detected, but the detection of the number of persons may be inaccurate. However, when passing through the entrance / exit 406, the passing person is positioned forward and backward, so that the detection signal PB is generated for the number of persons in the detection area 201B of the detection sensor 200B. Accordingly, the occupancy counter C1 is incremented and decremented with the number of the detection signals PB existing between the detection signal PA as the object of the entry pattern W1 and the PC (the recognition time, for example, 2 minutes) as the count number. For example, the number of people in the room can be accurately grasped.

Further, when the human sensor 200B is provided, it can be used to accurately determine the detection operation of the room entry pattern W1 and the room exit pattern W2. In other words, when the two detection sensors 200A and 200C are used to determine the entry pattern W1 and the exit pattern W2, the detection signal PAi detected by the human sensor 200A detects a person who has passed through the corridor at a very rare timing. If a person in the room 402 moves within 2 minutes and the detection signal PCi is generated, it may be erroneously determined as the room entry pattern W1.
However, if there is a human sensor 200B, the human sensor 200B always outputs a detection signal PB when entering or leaving the room. Therefore, the detection signal of the human sensor 200B follows the detection signal PA of the human sensor 200A. Only when there is a PB and there is a detection signal PC from the human sensor 200C, it is possible to determine the room entry pattern W1, so that the above-described misperception does not occur. Human sensor 200 </ b> B may be a mechanism that can detect that a person has passed boundary 406. For example, a mechanism that can detect that the vehicle has passed the boundary 406 is a revolving door having a function of rotating only in one direction and electrically counting the number of rotations and outputting the count signal. An infrared sensor, a distance measuring sensor, a gravity sensor, a camera, and the like that can detect the passage of the light and convert it into an electrical signal.

  Therefore, the entrance pattern W3 and the exit pattern W4 using the detection sensor B will be described. As shown in FIG. 4, the entrance pattern W3 is a pattern in which the detection signal PB of the human sensor 200B and the detection signal PC of the human sensor 200C are sequentially generated with a time delay from the detection signal PA of the human sensor 200A. This is a case where the difference in generation time between both outputs PA and PC is within the recognition time, for example, 2 minutes. The leaving pattern W4 is a case where the generation timing is in the order of PC → PB → PA in which the generation timings are opposite, and the generation time difference between the PC and PA is within 2 minutes. The patterns W3 and W4 are provided in the pattern management table 101A.

The operation of the recognition system 1 using the detection sensor PB will be described below with reference to FIG. In step S101, when the detection signal P is detected, it is determined in step S201 whether or not the detection signal P is PB, and if it is PB, the process returns to step S101. If not PB, the process moves to step S102. If the detection signal is PC in step S102, it is determined in step S113 that is newly provided whether or not it is the room entry pattern W3. This determination is made based on whether or not the stored content of the memory 105 storing the detection signal P in time series is PA → PB → PC and the generation interval of the PC and PA is within 2 minutes. In the case of the entrance pattern W3, the number of detection signals PB stored between the detection signals PC and PA is counted in step S202. If the value is 2, it can be confirmed that two people have passed through the entrance / exit 406, and therefore the count of the counter C1 is incremented by +2 in step S114. Other operations are the same as those in FIG. In short, the number of people passing through the entrance / exit 406 is accurately grasped by the number of detection signals PB and reflected in the count of the occupancy counter C1.
Conversely, if the detection signal P is determined to be PA in step 102 (NO in S102), it is determined in step S116 whether or not the exit pattern W4. This determination is made based on whether the stored content of the memory 105 storing the detection signal P in time series is PC → PB → PA and the generation interval of the PC and PA is within 2 minutes. In the case of the leaving pattern W4, the number of detection signals PB stored between the detection signals PC and PA is counted in step S203. If the value is 2, it can be confirmed that there are two people who have passed through the entrance / exit 406. Therefore, in step S117, the count of the counter C1 is decreased by -2. Other operations are the same as those in FIG. When the occupancy counter C1 becomes zero, the flow of counting up is not used when the detection signal PC is generated in preparation for the case where the occupant is present even if the count is zero as in the third embodiment. This is because the number of people entering and leaving the room can be accurately counted. Therefore, it is safe to add such a flow just in case.

(Embodiment 5)
Even if the human sensor 200B is not used, as shown in FIG. 10, if the detection areas 201A and 201C of the human sensors 200A and 200C are set to overlap with the entrance / exit 406 therebetween, the entrance / exit in the overlap area 201AC Since the human sensors 200A and 200C simultaneously detect a person passing through 406 and output the detection signal PA · PC, the detection signal PA · PC is regarded as the detection signal PB of the human sensor B, and thus the above-described detection signal PA · PC is used. Erroneous recognition and counting errors can be eliminated. Simultaneous detection means for detecting that the detection signals PA and PC are output substantially simultaneously may be provided in the CPU 102. For example, a gate means for taking the logical product of both detection signals and software for detecting the overlap of both signals may be provided.

(Embodiment 6)
FIG. 11 shows a configuration in which the recognition system is installed in three rooms 402, 403, and 404 provided through a corridor 401 and an entrance / exit. As shown in the figure, two (or more) human sensors 200C and 200D are installed in a room 402, and the detection areas 201C and 201D of both human sensors overlap. In addition, you may install so that both areas 201C and 201D may not overlap.
Two or more human sensors may be installed outside the room 403 like the human sensors 200G and 200M in the hallway 401, and the detection areas 201G and 201M may overlap. Although two or more human sensors may be installed at the boundary between the room 404 and the corridor 401 like the human sensors 200H and 200I in the hallway 401, it is desirable that the detection areas 201H and 201I do not overlap.
The room 403 is provided with one detection sensor 200F, and the detection area 201F covers most of the room. The human sensor 200 </ b> A described above is used as a human sensor outside the room 402 and at the same time as a human sensor outside the room 403. That is, one human sensor for a plurality of rooms may be used as a sensor outside the room.
In the room 404, human sensors 200K and 200J are installed as illustrated. When the detection sensors 200 </ b> K and 200 </ b> J are viewed from the room 402, they are classified as human sensors located outside the room 402, while when viewed from the room 404, they are classified as human sensors located inside the room 404.
A human sensor 200L is provided at the entrance / exit 407 between the room 404 and the room 402 to detect a person passing through the detection area 201L. Similarly, a detection sensor 200E is installed at the entrance / exit 405 of the room 403 to detect a person passing through the detection area 201E.

Note that the human sensors on the outside, the boundary, and the inside of the room may not be arranged linearly. These sensors are managed by a sensor group management table 102A as shown in FIG. The management table 102A preferably classifies the sensor position for each room into the outside, the boundary, and the inside of the room, and stores the sensor ID, the room ID, and the sensor group ID in association with each other. The occupancy sensor detection pattern and the evacuation sensor detection pattern are defined as the occupancy sensor detection pattern when the CPU 102 detects, for example, a sensor classified inside the room for each sensor group from the management table 102A. The presence sensor detection pattern and the exit sensor detection pattern are automatically set as the exit sensor detection pattern when detected in the order of the sensor classified inside, the sensor classified as the boundary, and the sensor classified outside the room. May be registered in the memory 105 or manually by a person.
When detecting the movement of a person using the sensor management table 102A, for example, the movement from the room 402 to the 404 is performed by the sensors C, L, J and C, L, K of the sensor groups 6, 8, and the room is reversed. Movement from 404 to 402 is performed by the sensors J, L, and C of the sensor groups 7 and 9, and K, L, and C.
In FIG. 9, the processing of the CPU 102 is the room inside detection sensor C, the outside detection sensor A, and the entrance / exit detection sensor B. For each sensor group, the detection sensors corresponding to the outside, inside, and entrance are fitted. The operation is the same. However, since there is no corridor lighting 401P, the process is not performed.

(Embodiment 7)
Next, Embodiment 7 using the sensor output T shown in FIG. 2 instead of the detection signals PA and PC of the recognition sensors 200A and 200C will be described. The controller 100 according to the present embodiment has sensor outputs T1, T2,... (Or information indicating that no person is detected) indicating that a person is detected from the human sensors 200A, 200C via the network N. , And the detected time (time of rising timing of the sensor output T) is sequentially stored in a predetermined area of the memory 105, and the output TA (sensor output of the sensor 200A), unless otherwise described, On signals Z1 and ZP such as indoor lighting 301A and 301B or outdoor 401P corresponding to TC (sensor output of the sensor 200C) are output via the network N.
In addition, the controller 100 confirms the presence or absence of the sensor output of the human sensor 200A, for example, T1 (TA) in FIG. 2, based on the rising timing of the sensor output of the human sensor 200C, for example, T2 (TC) in FIG. That is, if the sensor output T1 has already occurred at this timing and is within the delay time X from the generation timing (confirmed by the stored information), the entry pattern WT1 and the exit pattern WT2 stored in the memory in advance are stored. Of these, it is determined that the room entry pattern is WT1. (If the sensor output T1 is not one of the patterns WT1 and WT2, the selection of the pattern is not performed, and the normal operation corresponding to the sensor output T2, that is, the control to turn on the corridor lighting 401P is performed.)

The room entry pattern WT1 is a pattern indicating that a person has moved from the corridor 401 to the room 402. In the case of this pattern, the occupancy counter C provided in the controller 100 is set, and the above-described entry is based on the set output. A counter signal Z1 (home appliance on output) for turning on home appliances in the room 402 such as the lights 301A and 301B of the room 402 is output via the network N. The output of the counter C is maintained regardless of the presence / absence of the output of the human sensor 200C, and is maintained until the occupancy counter C is reset by an exit pattern W2 described later. Accordingly, even if there is a person in the room 402, even if the stationary state continues for a long time, or if the sensor 200C outputs the presence of no person (T = 0) even if it is outside the detection area 201C of the human sensor 200C, the room 402 The home appliances never turn off.
Next, the controller 100 confirms the presence or absence of the sensor output TC of the human sensor 200C from the rising timing of the sensor output TA of the human sensor 200A. That is, if the output TC occurs before the above timing and is within the delay time X (confirmed by the stored information), it is determined that the pattern is that the person has moved from the room 402 to the corridor 401, that is, the leaving pattern WT2. (In other conditions, the human sensor 200A simply performs a normal operation when the sensor output TA is generated.)
If it is determined that the leaving pattern WT2, the occupancy counter C is reset, and the home appliance on signal Z1 is stopped. Accordingly, in this case, home appliances such as the lighting 301 </ b> A in the room 402 are turned off via the network N. As described above, in the present embodiment, the home appliances are not directly turned on and off by the output TA and TC of the human sensor, but are turned on and off by the output pattern based on the cooperation of the two sensor outputs TA and TC. The feature is that it is controlled. With such a configuration, it is possible to eliminate malfunction due to the fact that the human sensor 200C does not generate a human detection signal even though there is a person in the room 402.

In the seventh embodiment, the sensor outputs TA and TC are used in place of the detection signals PA and PC of the human sensor in the first embodiment, but the sensor outputs are similarly applied to the other embodiments 2-6. TA and TC can be used.

(Other embodiments)
A storage medium storing a program represented by software for achieving the present invention is supplied to the system or apparatus, and the computer (or CPU or MPU) of the system or apparatus reads the program code stored in the storage medium. The effect of the present invention can be enjoyed also by executing.
In this case, the program code itself read from the storage medium realizes the functions of the above-described embodiment, and the storage medium storing the program code constitutes the present invention.
Further, by executing the program code read by the computer, not only the functions of the above-described embodiments are realized, but also an OS (operating system) running on the computer based on the instruction of the program code However, it is needless to say that a case where the function of the above-described embodiment is realized by performing part or all of the actual processing and the processing is included.
Further, after the program code read from the storage medium is written to a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer, the function expansion is performed based on the instruction of the program code. It goes without saying that the CPU or the like provided in the board or the function expansion unit performs part or all of the actual processing and the functions of the above-described embodiments are realized by the processing.
The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, rather than the description above, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims.

1: recognition system,
100: controller,
101A: Sensor group management table 102A: Pattern management table 102: CPU
103: Display 104: Tablet 105: Memory 106: Button 107: Communication interface 108: Speaker 109: Clock 110: Touch panel 200A, 200B, 200C: Human sensor P, PA, PB: Detection signal T, TA, TB: Sensor output 201A, 201B, 201C: Detection areas 301A, 301B: Indoor lighting 302: Air conditioner 303: Television 401: Corridor 401P: Corridor lighting 402: Room 406: Entrance / exit N: Network

Claims (25)

In a recognition system using a presence recognition sensor that detects a movement of a recognition target in a predetermined area and outputs a detection signal, and stops outputting a detection signal when the recognition target becomes a fine movement state or a stationary state.
The presence recognition sensor is provided as a first recognition sensor and a second recognition sensor in a predetermined recognition area and an adjacent area adjacent to the predetermined recognition area across an entrance, and detection signals of the first and second recognition sensors are provided. A recognition system that detects the presence or absence of the recognition target in the predetermined recognition area based on a cooperation pattern.   The recognition system according to claim 1, wherein the cooperation pattern is based on a generation order of detection signals of the first and second recognition sensors.   The recognition system according to claim 2, wherein the linkage pattern has a detection signal generation interval of the first and second recognition sensors within a predetermined recognition time.   The linkage pattern has at least first and second different linkage patterns, and it is determined that the recognition target exists from detection of the first linkage pattern to detection of the second linkage pattern. The recognition system according to claim 1.   The difference between the number of times of detection of the first linkage pattern and the number of times of detection of the second linkage pattern is set as the number of recognition targets, and it is determined that the recognition target exists until the number of presence is detected as zero. The recognition system according to claim 4. A boundary area is provided between the predetermined recognition area and the adjacent area, and a passage detection sensor for detecting the presence of the recognition target in the boundary area is provided.
The recognition system according to claim 1, wherein the cooperation pattern is a pattern including a passage detection signal of the passage detection sensor.   The number of recognition targets recognized in the first and second linkage patterns is the number of the passage detection signals detected between the first and second detection signals that are targets of the linkage pattern. The recognition system according to claim 7. The recognition system according to claim 6 or 7, wherein the passage detection sensor is the recognition presence sensor. Instead of the passage detection sensor, the predetermined recognition area and a part of the adjacent area are provided so as to overlap each other, and simultaneous detection means for detecting that a recognition target exists in the overlapped part area is provided. The recognition system according to claim 6 or 7. The recognition system according to claim 1, wherein the cooperation pattern is a pattern related to entering or leaving a room including at least the predetermined recognition area. The controller includes at least the first and second recognition sensors and a controller. The controller stores at least the first and second detection signals in time series, and the storage contents of the storage unit The recognition system according to claim 1, further comprising presence detection means for extracting content corresponding to the cooperation pattern and using it as a presence detection signal. The recognition system according to claim 11, wherein the cooperation pattern is stored in a cooperation pattern storage unit provided in a controller, and the content can be changed. Corresponding to the plurality of presence recognition areas, at least a plurality of recognition sensors are arranged as one group in the one presence recognition area, and any of the plurality of groups of recognition sensors arranged is the first recognition sensor, The recognition system according to claim 12, wherein a management table that manages whether the sensor corresponds to two recognition sensors is provided, and the presence of the recognition target is detected based on the management table. The recognition system according to any one of claims 1 to 13, wherein the detection signal that detects the presence of the recognition target is used at least for the control of lighting arranged in a room including a predetermined recognition area. The recognition system according to claim 14, wherein a detection signal of a recognition sensor provided in the adjacent area is used at least for controlling illumination for the adjacent area. The recognition system according to claim 1, wherein the recognition target is a human. The recognition system according to claim 1, wherein the recognition sensor is a sensor using a pyroelectric effect. The recognition system according to claim 17, wherein a sensor output of the sensor using the pyroelectric effect is used as a detection signal of the recognition sensor. A controller used in a recognition system using a presence recognition sensor that detects a movement of a recognition target in a predetermined area and outputs a detection signal, and stops outputting a detection signal when the recognition target enters a fine movement state or a stationary state. ,
Connected to the predetermined recognition area and the first and second recognition sensors respectively arranged in adjacent areas adjacent to the predetermined recognition area across the entrance and exit,
Supplying detection signals of the first and second recognition sensors, detecting a predetermined linkage pattern of the detection signals, and performing control to detect the presence / absence of the recognition target in the predetermined recognition area A controller characterized by. The predetermined linkage pattern is at least a pattern for detecting the presence of the recognition target and a pattern for detecting the non-existence, and performs matching with the pattern corresponding to the supply of the detection signal from the recognition sensor. The controller according to claim 19. Control that includes a counter unit that counts up each time the presence pattern is detected and counts down each time the nonexistence pattern is detected, and determines that the recognition target exists in the predetermined recognition area until the counter unit reaches zero. The controller according to claim 19 or 20, wherein: The passage detection signal of the passage detection sensor for detecting the presence of the recognition target in a boundary area provided between the predetermined recognition area and the adjacent area is supplied, and the presence of the recognition target including the passage detection signal, The controller according to any one of claims 19 to 21, wherein non-existence detection control is performed. The detection signal of at least the first and second recognition sensors for detecting the presence of the recognition target in the area where the predetermined recognition area and the adjacent area overlap is supplied, and it is detected that both the detection signals are generated almost simultaneously. The controller according to any one of claims 19 to 21, further comprising a simultaneous detection means for performing the above. A program used for the controller according to claim 19, wherein the controller
A procedure for storing the detection signals of the first and second recognition sensors in time series, a procedure for detecting a predetermined linkage pattern of the detection signal, and the recognition in the predetermined recognition area by detecting the linkage pattern A program for executing a procedure for detecting the presence or absence of a target. A recognition method using a presence recognition sensor that detects a movement of a recognition target in a predetermined area and outputs a detection signal, and stops outputting a detection signal when the recognition target is in a fine movement state or a stationary state,
The presence recognition sensor is provided as a first recognition sensor and a second recognition sensor in a predetermined recognition area and an adjacent area adjacent to the predetermined recognition area across the entrance and exit, and detection signals of the first and second recognition sensors are provided. A recognition method, wherein presence / absence of the recognition target in the predetermined recognition area is detected by a cooperation pattern.