CN110329857A - A kind of intelligent elevator control system based on UWB detection - Google Patents
A kind of intelligent elevator control system based on UWB detection Download PDFInfo
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- CN110329857A CN110329857A CN201910630383.3A CN201910630383A CN110329857A CN 110329857 A CN110329857 A CN 110329857A CN 201910630383 A CN201910630383 A CN 201910630383A CN 110329857 A CN110329857 A CN 110329857A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses a kind of intelligent elevator control systems based on UWB detection, belong to intelligent elevator control field.The present invention includes UWB radar sensor group, signal processing module, memory module, communication module, intelligent decision module, execution and display module, elevator operation master system, elevator faults alarm module, power module；The present invention detects each elevator using UWB radar and has multiplied number, each floor Hou Cheng Qu Houcheng number and the current each elevator running state of combination, optimal operating scheme is made by decision making algorithm and forms the operation that instruction controls each elevator, uninterrupted detection, intelligent scheduling achievees the purpose that save user time, avoids elevator fallback to improve elevator service life.This system is not influenced by ambient bright, and because not being related to Identification of Images, it will thus provide good user experience.In Lift out of order, personnel's situation in failure elevator can be sent to elevator operation master system in first time, personal injury is preferably minimized.
Description
Technical field
The present invention relates to intelligent elevator control field, specially a kind of intelligent elevator control system based on UWB detection.
Background technique
With the development of the city, in the case where an inch of land is an inch of gold, many floors the more are built the more high in city, this is with regard to inevitable
Some problems are brought, for example wait the waiting time extension and the fallback of elevator for multiplying personnel, are in particular in:
When working day, since everybody is consistent the work hours, causes personnel to assemble in bottom of the building, at this time presses uplink button,
Be likely to occur only one elevator response and other elevators are not responding to or respond too slow situation, this resulted in personnel when
Between waste；And when evening peak downlink, multiple floors have waiting to instruct, and since elevator group scheduling is not smart enough, cause
Some floors no one but elevator can still stop or elevator is full, but also need during downlink each
Floor stops, it is clear that this wastes the time waited and multiply personnel, simultaneously because stopping in vain again and again will also result in elevator
Loss, shortens the service life of elevator.
For off-peak hours section, such as when downlink, may all floors time multiply personnel can be by an electricity
Ladder carrying after different floors press lower button in succession, there is a successive downlink of multiple elevators but since elevator is not smart enough, and elevator
High-rise to have the case where personnel wait elevator appearance again after downlink, the personnel of this stylish waiting must not be not to wait for elevator and arrive at ground floor
It returns again to and, this, which is also resulted in, waits the time waste for multiplying personnel and the invalid operation of elevator.
When breaking down for elevator, we firstly the need of determine in elevator whether someone, even have several personal and the
One time allowed Security Officer to know, and in this respect, the even some intelligent elevators of many traditional elevators all do bad.
And for some so-called intelligent elevators, such as intelligent elevator based on computer vision, compared to traditional elevator,
Performance there has been biggish improvement, it require that being shot using camera, this proposes requirement to the brightness of environment, relate to simultaneously
And privacy is arrived, it is believed that be not much people and be ready not stop also to be taken when taking elevator, and just in case these image datas leakage
What if? for some so-called Intelligent lift systems based on life detection, it can only judge the area Hou Cheng whether someone etc.
Elevator is waited, how many people can not be but determined in how many specific people's waiting and elevator, then intelligent effect is with regard to very limited,
This, which is practically without, inherently solves the problems, such as.
There are the above problems for traditional elevator in the prior art, and existing intelligent elevator and not smart enough in the prior art
It can not solve the above problems, therefore be badly in need of a kind of novel intelligent elevator, the effective solution above problem.
Summary of the invention
Aiming at the problems existing in the prior art, it the purpose of the present invention is designing a kind of Intelligent lift system, can save
User's wait time, energy conservation, the good user experience of offer and elevator operation break down and can transmit indicator of trapped personnel outward
Situation, to implement effectively rescue.
To solve the above problems, the invention proposes following technical schemes:
A kind of intelligent elevator control system based on UWB detection, including UWB radar sensor group, signal processing module, deposit
Store up module, communication module, intelligent decision module, execution and display module, elevator operation master system, elevator faults alarm mould
Block, power module.
UWB radar sensor group includes UWB radar sensor (in each elevator one) and each floor electricity in each elevator
The UWB radar sensor (one, each area Hou Cheng) in the area Ti Houcheng, such as；The building of one N1 layers of seat height, has N2 elevator, then needs
Radar sensor sum be N=N1+N2；Each UWB radar sensor includes antenna and system on chip, wherein UWB radar day
UWB signal, system on chip include analog-digital converter and microcontroller etc. to line for transmitting and receiving；After UWB receives echo-signal
Memory module is transferred data to by communication module, after the echo-signal for storing a period of time, then these echo datas are transmitted
To signal processing module processing.
Memory module is for storing the echo-signal that each UWB radar receives；
Transmission of the communication module for data, instruction between each module.
The operating instruction for executing corresponding elevator to display module is executed, and each elevator will be shown in the stop information of each floor
It shows and, for prompting the corresponding elevator operating condition of waiting crowd.
Elevator runs master system and provides each elevator operation for administrator.It is management that elevator, which runs master system,
Member provides each elevator operation and when elevator breaks down, can notify in time administrator and show failure elevator by
Oppressive number；Administrator is allowed to have highest operating rights to the operation of each elevator simultaneously.
Elevator faults alarm module multiplies the specific elevator operation of personnel for alert management person and time and breaks down.Work as elevator
When failure, elevator faults alarm module multiplies the specific elevator operation of personnel for alert management person and time and breaks down, and
Administrator can be notified in time and shows the stranded number of failure elevator；Administrator is allowed to have highest behaviour to the operation of each elevator simultaneously
It weighs.
Power module is used for as UWB radar sensor group, signal processing module, memory module, intelligent decision module, executes
It powers with display module etc..
Further technical solution of the invention are as follows: the echo that signal processing module receives UWB radar sensor is believed
It number filters, noise reduction, background signal is eliminated, and signal processing method comprises the steps of:
1. utilizing difference of the echo with clutter in correlation, relevant treatment is carried out to signal and improves signal-to-noise ratio；
2. removing background signal with based on the adaptive-filtering of least mean square algorithm using the background signal of acquisition；
3. isolating the micro-tremor signal of human body using pulse Doppler frequency displacement principle；
4. extracting amplitude, phase, the transmitting-receiving time interval characteristic of signal after pretreatment by signal characteristic abstraction algorithm
According to.
Further technical solution of the invention are as follows: intelligent decision module includes two submodules: demographics submodule
With elevator decision submodule.Firstly, demographics submodule is to characteristic by arest neighbors Joint Probabilistic Data Association algorithm
(NNJPDA) it handles, then obtains having multiplied in each elevator of each moment number by people counting algorithm I and each floor time multiplies number；So
The number judged out afterwards following period of time finally evaluates current each floor time by people counting algorithm II and multiplies number and electricity
Ladder has multiplied number；Simultaneously by state of elevator recognizer according to the receiving and transmitting signal between the UWB radar in elevator and the area Hou Cheng radar
Time change situation determines the operating condition of current each elevator, the rotation direction including each elevator (uplink stops, downlink)
And floor locating for each elevator；Finally, decision making algorithm makes decisions according to four data, optimal operation scheme is made,
It forms instruction and is transmitted to execution and display module.
The characteristic that people counting algorithm I in the present invention is obtained by signal processing module, determines human body and radar
Distance, and obey logarithm normal distribution function according to the ultra-broadband signal amplitude of human body reflection this be special about distance is approximate
Property and amplitude with apart from present exponential damping characteristic, according to 0 acquired in experiment arrive N people's characteristic, build out and realize 0
The fuzzy reasoning collection model detected to N people.Then in real-time detection, for any moment signal received, by signal
Reason module obtains the characteristic of the signal at the moment, and the number information at the moment is then estimated by fuzzy reasoning collection model,
Thus each floor time is obtained to multiply in number Num1 (t1, i) (t1=0 .., T1, i=1 ... N1) and each elevator of each moment
Multiply number Num2 (t1, j) (t1=0 .., T1, j=1 ... N2).
The people counting algorithm II t1=0 according to above-mentioned acquisition .., T1 moment number, takes their mode conduct respectively
Current each floor time multiply number Num_T1 (i) (i=1 .., N1), and current elevator has multiplied number Num_T2 (j) (j=
1,..,N2)。
Further, state of elevator recognizer is according to the receiving and transmitting signal between the UWB radar in elevator and the area Hou Cheng radar
Time change situation judges operating condition flag (i=1 ..., N2) (rising flag flag=1, the stopping of current each elevator
Flag=0 declines flag=-1) and each elevator the floor Floor (j), j=1 .., N2 that are currently located.
Of the invention also discloses a kind of control method of intelligent elevator control system based on UWB detection, including following
Step:
Step1.UWB radar sensor group issues UWB signal, and receives reflected signal；It will reflect back into the letter come
It number is transferred to memory module storage, if elevator operation is broken down, turns Step5；If nothing, when the data of storage a period of time
Afterwards, then by the echo-signal of storage it is sent to signal processing module；
Step2. signal processing module filters the reflection signal received, noise reduction, makees the pretreatments such as background signal elimination；
Then, amplitude, phase, the transmitting-receiving time interval characteristic of signal after pretreatment are extracted by signal characteristic abstraction algorithm, and
It is transmitted to intelligent decision module；
Step3. in intelligent decision module: firstly, demographics submodule is to characteristic by arest neighbors joint probability
Data association algorithm (NNJPDA) processing, then obtained having multiplied number and each building in each elevator of each moment by people counting algorithm I
Layer, which is waited, multiplies number；Then to these number informations, by people counting algorithm II finally evaluate current each floor time multiply number with
And elevator has multiplied number；Simultaneously by state of elevator recognizer, the operating condition of current each elevator is determined, including each elevator
Floor locating for rotation direction (uplink stops, downlink) and each elevator；Finally, decision making algorithm is made according to four data
Decision makes optimal operation scheme, forms instruction and is transmitted to execution and display module.
Step4. elevator is by instruction operation, and each elevator will be shown in the stop information of each floor, for prompting
The corresponding elevator operating condition of waiting crowd, while elevator operation is sent to elevator operation master system, turn Step1；
Step5. when operation troubles occurs in elevator, elevator faults alarm module, which sounds an alarm and prompts to wait, multiplies personnel lift's fortune
Row breaks down, while the stranded number in failure elevator is sent to elevator operation master system, checks for security official.
The beneficial effects of the present invention are:
(1) invention introduces UWB radar sensor, the UWB signal safety of the sensor emission meets FCC, ETSI,
KCC and MIC specification.Measurement accuracy is high, strong interference immunity；The introducing of UWB radar sensor solves the intelligence of many view-based access control models
The privacy concern that energy elevator device is brought, therefore can be widely used to promote.
(2) it is compared with traditional elevator control system, the present invention solves the problem of " the few people of ladder is more, and the more people of ladder are few ", design
Intelligent lift system will according to waiting number and current elevator have each elevator of number rational management operation, thus
Achieve the purpose that save user time, energy conservation and reduces elevator loss to hoisting elevator service life.
(3) present invention can will also wait the elevator operating condition of personal scheduling other than saving the time to corresponding floor
Voice prompting or liquid crystal display show that this can undoubtedly improve user experience, this is also critically important in elevator market.
(4) present invention is for elevator faults, it will trapped person's situation is informed security official at the first time, is rescued to improve
Help efficiency.Simultaneously elevator faults are informed to wait and multiply personnel, multiplies personnel safety to ensure to wait.
It is noted that Managing system of above position machine of the invention can be not limited to a building, it is big that one can also be connected
Piece groups of building elevator management subsystem is monitored the elevator operation of each building to realize.Meanwhile administrator is by upper
Machine management system has highest operating rights, this is critically important when elevator breaks down.
Detailed description of the invention
Fig. 1 is a kind of structural block diagram of Intelligent lift system based on UWB of the invention；
Fig. 2 is signal processing module and decision submodule algorithm structure figure in the present invention.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.
Embodiment 1
As shown in Figure 1 and Figure 2, the invention discloses a kind of intelligent elevator control systems based on UWB detection, including UWB thunder
Up to sensor group (1), signal processing module (2), memory module (3), communication module (4) intelligent decision module (5), execution and show
Show module (6), elevator operation master system (7), elevator faults alarm module (8), power module (9).
UWB is received and is transferred data to memory module by communication module after echo-signal, stores the echo letter of a period of time
After number, then these echo datas are sent to signal processing module and are handled.
Memory module (3) is for storing the echo-signal that each UWB radar receives；
Transmission of the communication module for data, instruction between each module.
The operating instruction for executing corresponding elevator to display module is executed, and each elevator will be shown in the stop information of each floor
It shows and, for prompting the corresponding elevator operating condition of waiting crowd.
Elevator runs master system and provides each elevator operation for administrator.Elevator runs master system (7)
When administrator provides each elevator operation and elevator failure, administrator can be notified in time and shows failure elevator
Stranded number；Administrator is allowed to have highest operating rights to the operation of each elevator simultaneously.
Elevator faults alarm module (8) multiplies the specific elevator operation of personnel for alert management person and time and breaks down.When
When elevator failure, elevator faults alarm module multiplies the specific elevator operation of personnel for alert management person and time and event occurs
Barrier, and can notify administrator in time and show the stranded number of failure elevator；Administrator is allowed to have the operation of each elevator simultaneously
Highest operating rights.
Power module is used for as UWB radar sensor group, signal processing module, memory module, intelligent decision module, executes
It powers with display module etc..
Signal processing module filters the echo-signal that UWB radar sensor receives, noise reduction, and background signal is eliminated,
Include following methods:
Difference using echo with clutter in correlation carries out relevant treatment to signal and improves signal-to-noise ratio；
Using the background signal of acquisition, background signal is removed with based on the adaptive-filtering of least mean square algorithm；
The micro-tremor signal of human body is isolated using pulse Doppler frequency displacement principle；
Amplitude, phase, the transmitting-receiving time interval characteristic of signal after pretreatment are extracted by signal characteristic abstraction algorithm.
Wherein, intelligent decision module includes two submodules: demographics submodule and elevator decision submodule.Firstly,
Demographics submodule is handled characteristic by arest neighbors Joint Probabilistic Data Association algorithm (NNJPDA), then by demographics
Algorithm I obtains having multiplied number in each elevator of each moment and each floor time multiplies number；Then people following period of time judged out
Number, is finally evaluated that current each floor time multiplies number and elevator has multiplied number by people counting algorithm II；Simultaneously by elevator shape
State recognizer determines the operating condition of current each elevator, the rotation direction (uplink stops, downlink) including each elevator with
And floor locating for each elevator；Finally, decision making algorithm makes decisions according to four data, optimal operation scheme, shape are made
Execution and display module are transmitted at instruction.
UWB radar sensor group is by the UWB radar sensor (in each elevator one) and each floor elevator in each elevator
The UWB radar sensor (one, each area Hou Cheng) in the area Hou Cheng forms, and such as building to N1 layers of a seat height has N2 elevator, then
The radar sensor sum needed is N=N1+N2.Each UWB radar sensor is made of antenna and system on chip, wherein UWB
UWB signal, system on chip include analog-digital converter and microcontroller etc. to radar antenna for transmitting and receiving.
The invention discloses a kind of control methods of intelligent elevator control system based on UWB detection for embodiment 2, including with
Lower step:
Step1.UWB radar sensor group issues UWB signal, and receives reflected signal；It will reflect back into the letter come
It number is transferred to memory module (3) storage, if elevator operation is broken down, turns Step5；If nothing, when the number of storage a period of time
Signal processing module is sent to according to rear, then by the echo-signal of storage；
Step2. signal processing module filters the reflection signal received, noise reduction, makees the pretreatments such as background signal elimination；
Then, amplitude, phase, the transmitting-receiving time interval characteristic of signal after pretreatment are extracted by signal characteristic abstraction algorithm, and
It is transmitted to intelligent decision module；
Step3. in intelligent decision module: firstly, demographics submodule is to characteristic by arest neighbors joint probability
Data association algorithm (NNJPDA) processing, then obtained having multiplied number and each building in each elevator of each moment by people counting algorithm I
Layer, which is waited, multiplies number；Then to these number informations, by people counting algorithm II finally evaluate current each floor time multiply number with
And elevator has multiplied number；Simultaneously by state of elevator recognizer, the operating condition of current each elevator is determined, including each elevator
Floor locating for rotation direction (uplink stops, downlink) and each elevator；Finally, decision making algorithm is made according to four data
Decision makes optimal operation scheme, forms instruction and is transmitted to execution and display module.
Step4. elevator is by instruction operation, and each elevator will be shown in the stop information of each floor, for prompting
The corresponding elevator operating condition of waiting crowd, while elevator operation is sent to elevator operation master system, turn Step1；
Step5. when operation troubles occurs in elevator, elevator faults alarm module, which sounds an alarm and prompts to wait, multiplies personnel lift's fortune
Row breaks down, while the stranded number in failure elevator is sent to elevator operation master system, checks for security official.
Embodiment 3
For convenience of description, if this system brings into operation from 0 moment, an operation cycle of this Intelligent lift system is T, packet
Include sending and receiving, executing instruction from signal processing to sending plus certain delay one for the UWB signal in the 0-T1 time
Total T2, i.e. T=T1+T2.
1) within the 0-T1 time, for sometime t1 (t1=1 ..., T1), k-th of UWB radar sensor is received
Echo-signal be S (t1, k), k=1 .., N, and these echo-signals are stored in memory module.
2) within the T1-T time, including following processing:
1. echo-signal S (t1, k) (k=1 .., N, t1=1 ..., T1) is sent to signal processing module to filter,
Noise reduction, background signal Processing for removing comprising the steps of:
Step1. difference of the echo with clutter in correlation is utilized, relevant treatment is carried out to signal and improves signal-to-noise ratio；
Step2. using the background signal of acquisition, believed with background is removed based on the adaptive-filtering of least mean square algorithm
Number；
Step3. the micro-tremor signal of human body is isolated using pulse Doppler frequency displacement principle；
Step4. amplitude, the phase, transmitting-receiving time interval spy of signal after pretreatment are extracted by signal characteristic abstraction algorithm
Levy data；And these characteristics are sent to intelligent decision module.
2. in intelligent decision module comprising the steps of:
Step1. by demographics submodule to characteristic with arest neighbors Joint Probabilistic Data Association algorithm (NNJPDA)
Processing, then by people counting algorithm I obtain each floor time multiply number Num1 (t1, i) (t1=0 .., T1, i=1 ... N1) with
And number Num2 (t1, j) (t1=0 .., T1, j=1 ... N2) is multiplied in each moment each elevator；
Step2. it to this two groups of data by people counting algorithm II, finally evaluates current each floor time and multiplies number Num_T1
(i) (i=1 .., N1), and current elevator have multiplied number Num_T2 (j) (j=1 .., N2)；
Step3. the operating condition flag (i=1 ..., N2) of current each elevator is judged according to state of elevator recognizer
The floor Floor (j), j that (rising flag flag=1 stops flag=0, declines flag=-1) and each elevator are currently located
=1 .., N2；
Step4. decision making algorithm makes decisions according to above four groups of data, makes optimal operation scheme, forms instruction and passes
Transport to execution and display module.
It is noted that the central idea of decision making algorithm is number in known current each elevator, traffic direction, institute
In the case that the floor at place and each floor time multiply number, under the premise of each elevator of guarantee current traffic direction, so that each electricity
The number that ladder is stopped is minimum, while manned amount is as big as possible in core load range.
The operating of each elevator is controlled 3. executing and executing operating instruction with display module, and each elevator will be stopped in each floor
It is shown by information, for prompting the corresponding elevator operating condition of waiting crowd.
So far, an operation cycle terminates, and will turn to and 1) start next operation cycle.
It should be pointed out that the value of T1 and T2 depends on number of floor levels and elevator number, such as work as N1=20, it is desirable when N2=6
Value be T1=10 seconds, T2=5 seconds, then cycle of operation T=20 second；Obviously operational effect T1 and T2 final for elevator
The otherness of different periods seating capacity is considered in order to make this elevator have more " intelligence " with great influence, it may be considered that is introduced
Learning Algorithm establishes the learning sample of seating capacity in different time periods, by big after initial T1 and T2 is arranged
Amount study, is finely adjusted T1 and T2 for different time sections, to keep elevator operation more efficient.
3) when elevator breaks down, elevator faults alarm module multiplies the specific elevator of personnel for alert management person and time
Operation is broken down, and can run the stranded number that master system notifies administrator's failure elevator in time by elevator；Together
When allow administrator to run each elevator to have highest operating rights, so as to stop other elevators in time, do standard for subsequent examination
It is standby.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (7)
1. a kind of intelligent elevator control system based on UWB detection, it is characterised in that:
The system comprises UWB radar sensor group (1), memory module (2), signal processing module (3), communication modules (4), intelligence
Energy decision-making module (5) executes and display module (6), elevator operation master system (7), elevator faults alarm module (8), electricity
Source module (9)；
The UWB radar sensor group (1) includes the UWB thunder of UWB radar sensor in each elevator, the area each floor elevator Hou Cheng
Up to sensor；Each UWB radar sensor includes antenna, system on chip, wherein UWB radar antenna UWB for transmitting and receiving
Signal, system on chip include analog-digital converter, microcontroller；
The memory module (3) is for storing the echo-signal that each UWB radar receives；
Transmission of the communication module (4) for data, instruction between each module；
The operating instruction for executing elevator corresponding to display module (6) execution, and each elevator will be believed in the stop of each floor
Breath is shown, for prompting the corresponding elevator operating condition of waiting crowd；
When elevator operation master system (7) provides each elevator operation and elevator failure for administrator, energy
Enough stranded numbers for notifying administrator in time and show failure elevator；Administrator is allowed to have highest operation to the operation of each elevator simultaneously
Power；
The elevator faults alarm module (8) multiplies the specific elevator operation of personnel for alert management person and time and breaks down；
The power module (9) is used for as UWB radar sensor group (1), signal processing module (2), memory module (3), intelligence
Decision-making module (5) is executed and is powered with display module (6).
2. a kind of intelligent elevator control system based on UWB detection as described in claim 1, it is characterised in that:
The signal that signal processing module (2) receives UWB radar sensor pre-processes, and signal processing method includes following
Processing step:
Step1. difference of the echo with clutter in correlation is utilized, improves signal-to-noise ratio with signal relevant treatment algorithm；
Step2. background signal is removed with based on the adaptive-filtering of least mean square algorithm；
Step3. the micro-tremor signal of human body is isolated using pulse Doppler frequency displacement principle；
Step4. amplitude, phase, the transmitting-receiving time interval characteristic of signal after processing are extracted by signal characteristic abstraction algorithm；
And these characteristics are sent to intelligent decision module (5).
3. a kind of intelligent elevator control system based on UWB detection as claimed in claim 1 or 2, it is characterised in that:
Intelligent decision module (5) includes two parts: demographics submodule (51) and elevator decision submodule (52)；
The intelligent decision of intelligent decision module (5) comprises the steps of:
Step1. demographics submodule (51) is first handled characteristic by arest neighbors Joint Probabilistic Data Association algorithm, then
It obtains having multiplied number in each elevator of each moment by people counting algorithm I and each floor time multiplies number；
Step2. final elevator Li Hehoucheng area's number is made by people counting algorithm II to the number information in step 1 to know
Not；
Step3. the elevator decision submodule (52) is first judged the traffic direction of current each elevator by state of elevator recognizer
And the floor that each elevator is currently located；
Step4. it is made decisions according to number and elevator operating condition by decision making algorithm, makes optimal operation scheme, formation refers to
Order is transmitted to execution and display module.
4. a kind of intelligent elevator control system based on UWB detection as claimed in claim 3, it is characterised in that:
People counting algorithm I determines that human body at a distance from radar, is adopted according in experiment by the characteristic of signal processing module
N people's characteristic is arrived in the 0 of collection, builds out and realizes the 0 fuzzy reasoning collection model detected to N people, then in real-time detection, for connecing
Any moment signal received, the characteristic of the signal at the moment is obtained by signal processing module, then by fuzzy reasoning collection
Model estimates the number information at the moment, thus obtains each floor time and multiplies number Num1 (t1, i) (t1=0 .., T1, i=
1 ... N1) and each elevator of each moment in multiplied number Num2 (t1, j) (t1=0 .., T1, j=1 ... N2).
5. a kind of intelligent elevator control system based on UWB detection as claimed in claim 4, it is characterised in that:
People counting algorithm II, the t1=0 obtained by people counting algorithm I .., T1 moment number take mode to be used as most final review
The current each floor time estimated multiplies number Num_T1 (i) (i=1 .., N1), and current elevator has multiplied number Num_T2 (j) (j=
1,..,N2)。
6. a kind of intelligent elevator control system based on UWB detection as claimed in claim 3, it is characterised in that:
State of elevator recognizer according to the receiving and transmitting signal time change situation between the UWB radar in elevator and the area Hou Cheng radar,
Judge the operating condition flag (i=1 ..., N2) of current each elevator and floor Floor (j), j that each elevator is currently located
=1 .., N2.
7. a kind of intelligent elevator control system based on UWB detection as described in claim 1, it is characterised in that:
Intelligent elevator control system based on UWB detection includes following operating procedure:
Step1.UWB radar sensor group issues UWB signal, and receives reflected signal；It will reflect back into the signal come to pass
It is defeated by memory module (3) storage, if elevator operation is broken down, turns Step5；If nothing, after storing the data of a period of time,
The echo-signal of storage is sent to signal processing module again；
Step2. signal processing module filters the reflection signal received, noise reduction, makees background signal and eliminates pretreatment；Then,
Amplitude, phase, the transmitting-receiving time interval characteristic of signal after pretreatment are extracted by signal characteristic abstraction algorithm, and are transmitted to
Intelligent decision module；
Step3. in intelligent decision module: firstly, demographics submodule is to characteristic by arest neighbors joint probability data
Association algorithm processing, then obtain having multiplied in each elevator of each moment number by people counting algorithm I and each floor time multiplies number；So
Afterwards to these number informations, finally evaluate that current each floor time multiplies number and elevator has multiplied people by people counting algorithm II
Number；Simultaneously by state of elevator recognizer, determine the operating condition of current each elevator, rotation direction including each elevator and
Floor locating for each elevator；Finally, decision making algorithm makes decisions according to four data, optimal operation scheme is made, is formed
Instruction is transmitted to execution and display module.
Step4. elevator is by instruction operation, and each elevator will be shown in the stop information of each floor, for prompting waiting
The corresponding elevator operating condition of crowd, while elevator operation is sent to elevator operation master system, turn Step1；
Step5. when operation troubles occurs in elevator, elevator faults alarm module sounds an alarm and time is prompted to multiply personnel lift and runs out
Existing failure, while the stranded number in failure elevator is sent to elevator operation master system, it is checked for security official.
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