CN115072505B - Intelligent and humanized elevator stop control system based on big data - Google Patents

Intelligent and humanized elevator stop control system based on big data Download PDF

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CN115072505B
CN115072505B CN202210163565.6A CN202210163565A CN115072505B CN 115072505 B CN115072505 B CN 115072505B CN 202210163565 A CN202210163565 A CN 202210163565A CN 115072505 B CN115072505 B CN 115072505B
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elevator
module
sole
person
area
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CN115072505A (en
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兰荣青
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Changde Binzhi Internet Technology Co ltd
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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
    • B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
    • 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
    • B66B1/3423—Control system configuration, i.e. lay-out
    • 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
    • B66B1/46—Adaptations of switches or switchgear
    • B66B1/468—Call registering systems
    • 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
    • B66B5/0012—Devices monitoring the users of the elevator system
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/15—Correlation function computation including computation of convolution operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B2201/00—Aspects of control systems of elevators
    • B66B2201/40—Details of the change of control mode
    • B66B2201/46—Switches or switchgear
    • B66B2201/4607—Call registering systems
    • B66B2201/4623—Wherein the destination is registered after boarding

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Optimization (AREA)
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  • Pure & Applied Mathematics (AREA)
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  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

The invention discloses an intelligent and humanized elevator stop control system based on big data, which comprises an elevator device, a calling panel and a control system, and is characterized in that: the elevator device comprises an elevator, the top of the elevator is connected with a motor through a cable, one side in the elevator is provided with a control panel, the bottom of the elevator is uniformly provided with a plurality of pressure sensors, the calling panel comprises a calling button and a display screen, the control system comprises a receiving module, a calculating module, an analog module, a recording module and a control module, the control panel, the calling button and the pressure sensors are electrically connected with the receiving module, the display screen and the motor are electrically connected with the control module, and the control panel and the calling panel can control the operation of the elevator through the receiving module and the control module.

Description

Intelligent and humanized elevator stop control system based on big data
Technical Field
The invention relates to the technical field of elevator control, in particular to an intelligent and humanized elevator stopping control system based on big data.
Background
An elevator refers to a permanent transport device serving a number of specific floors within a building with its car running in at least two columns of rigid rails running perpendicular to the horizontal or inclined at an angle of less than 15 ° to the plumb line. There are also steps, where the tread is mounted on a track for continuous running, commonly known as an escalator or a travelator. A stationary lifting device serving a prescribed floor. The vertical lift elevator has a car running between at least two rows of rigid guide rails that are vertical or have an incline angle of less than 15. The size and the structural form of the lift car are convenient for passengers to get in and out or load and unload cargoes. Traditionally, elevators have been known as vertical transportation means within a building, regardless of the manner in which they are driven.
The existing elevator stop control system only judges whether to stop the next floor through weight, when more light cargoes are caused in the elevator, the elevator is full, but the elevator still responds to an external calling button, so that no person enters or exits in the floor, time is wasted, and meanwhile, when more people exist in the elevator, disabled people with problems on legs can be unchanged. Therefore, it is necessary to design an intelligent and humanized elevator stop control system based on big data, which can judge whether the elevator is full or not and provide convenience for the disabled through the occupied volume and weight of passengers and cargoes.
Disclosure of Invention
The invention aims to provide an intelligent humanized elevator stopping control system based on big data so as to solve the problems in the background technology.
In order to solve the technical problems, the invention provides the following technical scheme: the intelligent humanized elevator stopping control system based on big data comprises an elevator device, a calling panel and a control system, wherein the elevator device comprises an elevator, the top of the elevator is connected with a motor through a cable, one side in the elevator is provided with the control panel, the bottom of the elevator is uniformly provided with a plurality of pressure sensors, the calling panel comprises a calling key and a display screen, the control system comprises a receiving module, a calculating module, an analog module, a track judging module, a recording module and a control module, the control panel, the calling key and the pressure sensors are electrically connected with the receiving module, and the display screen and the motor are electrically connected with the control module;
the control panel and the calling panel can both control the operation of the elevator through the receiving module and the control module, the pressure sensor is used for detecting the pressure distribution of each position at the bottom of the elevator and transmitting the pressure distribution to the calculating module, the calculating module and the simulating module can calculate the congestion condition in the elevator according to the outline and the size of the pressure distribution, the track judging module is used for judging disabled persons, cargoes and carts according to the rule of the outline change of the pressure distribution, and the control module controls whether the elevator responds to external calling keys according to the calculation result.
According to the technical scheme, the elevator stop control system comprises the following operation steps:
s1, a person outside the elevator presses a calling button, and a control module controls the elevator to respond to calling;
s2, entering an elevator by personnel outside the elevator, pressing a control panel, and closing the elevator;
s3, the pressure sensor sends the pressure information and the position to the receiving module;
s4, the track judging module records the pressure change track and change value before the elevator is closed
S5, simulating a pressure distribution diagram by a simulation module, and judging the load type of each position according to the pressure distribution diagram;
s6, the calculation module calculates occupied areas according to the load types respectively;
s7, simulating the occupied volume into an elevator plan by a simulation module, and calculating the congestion condition according to the profile distribution condition of the occupied area;
s8, if the interior of the elevator is crowded or the total weight is large, the next call button is not responded, the display screen is used for prompting that the elevator is full, and otherwise, the next call button is responded continuously;
s9, repeating the steps S2-S8 after the elevator stops next time.
According to the above technical solution, in the steps S4 to S5, the method for judging the load type is as follows: the recording module records a common sole contour model and a high-heel sole contour model, and the simulation module can compare the sole contour model, the high-heel sole contour and the pressure distribution contour and screen out the sole contour and the high-heel sole contour;
if the track judging module records that the change rule and the track of the sole outline are the same as those of the two points, the sole outline is recorded as a disabled person, and the two points are marked as crutch points;
the foot length of a person can be obtained through the sole contour and the high-heeled sole contour, and then the height and the shoulder width of the person can be calculated according to the proportional relation of the human body parts in medicine so as to calculate the occupied area of the person;
if the other outlines have large-area pressure distribution outlines and the track judging module does not record the movement tracks of the pressure distribution outlines, the outlines are judged to be cargo outlines, and if the small-area pressure distribution outlines which are uniformly distributed exist and the movement tracks of the pressure distribution outlines in the track judging module are long-strip-shaped, the small-area pressure distribution outlines are bound to be used as trolley distribution outlines;
after judging the sole contour and the high-heeled sole contour, the calculation module adds the values of the corresponding pressure sensors to obtain the weight G of the person at the position, and if only one sole contour exists, half of the added values of the corresponding pressure sensors are taken for the subsequent calculation module to calculate the occupied area.
According to the above technical solution, in the step S6, the calculation method of the occupied area is as follows:
wherein, I 1 For sole contour length l 2 For the outline length of the sole with high heel, l 3 For the high-heeled sole with large shadow length, H calculates the height of a person, g is the gravity coefficient, ρ is the density of the person, and 1.02g/cm is taken 3 0.6G represents the weight of the body and arms of the person, and 0.4H represents the length of the body of the person, whereby the body cross-sectional area of each person can be calculated as the occupied area when riding an elevator.
According to the above technical solution, in step S7, the simulation mode of the elevator plan is:
s71, establishing a coordinate system by taking one corner of an elevator as a coordinate origin;
s72, establishing a rectangle in the positive direction of the coordinate system, wherein the length and the width of the rectangle are consistent with the size of the elevator, and the rectangle is used as an elevator plan;
s73, respectively reacting the pressure distribution maps into the maps;
s74, respectively establishing an elliptic equation by taking the sole contour and the high-heeled sole contour as the center, and taking the ellipse as the occupied area of each person;
s75, directly taking the cargo outline as a cargo occupation area;
s76, connecting all points of the contour of the trolley, selecting the longest line as the diameter, and drawing a circle by using the center of the contour of the trolley as the occupied area of the trolley;
and S77, the calculation module calculates the crowding degree in the elevator according to all occupied areas.
According to the above technical solution, in step S74, the magnitudes of the major axis a and the minor axis b of the ellipse need to be calculated before calculating the ellipse equation, and the calculation formula is as follows:
。
according to the technical scheme, the elliptic equation is as follows:
in the formula, X, Y is the central coordinate (X, Y) of the sole profile or the high-heeled sole profile, t is the inclination angle between the vertical direction and the X-axis direction of the sole profile or the high-heeled sole profile, θ is a coefficient, and the calculated elliptical profile is the occupied area of each person.
According to the above technical solution, in the steps S74-S76, the circle is used as the occupied area of the cart to ensure that enough space is available in the elevator to allow people to carry out goods after arriving at the floor, and meanwhile, for the disabled who sits on the wheelchair, enough space is available for the disabled to turn the wheelchair, if the disabled uses the crutch, because the disabled will be marked as a disabled, a circle of concentric ellipse with the crutch point as the long axis is added outside the occupied area of the disabled, so that enough movement space is also provided for the disabled who uses the crutch.
According to the technical scheme, after the elevator is closed, if a person moves, holds or backs an article, the gravity center position shifts to one side, so that the pressure on one side in the sole outline becomes larger, the larger the article is, the larger the shifting distance is, the larger the difference value is, after the gravity center shifting is detected in the simulation module, a temporary occupied area is added in the corresponding direction of the personnel occupied area according to the direction and the size of the gravity center shifting, the larger the shifting is, the larger the temporary occupied area is, when the elevator just starts to accelerate and ascend, the pressure sensor is used for indicating the larger value because of the inertia of a human body, the value received by the receiving module is not used for calculating at the moment, the change rule of the value is recorded, the value of the area positioned at the gravity center position is changed greatly, the shifting size can be measured more accurately at the moment, the simulation module corrects the temporary occupied area in real time at the moment, and the accuracy of judging the subsequent crowding degree is ensured.
According to the above technical solution, in the step 77, the method for calculating the congestion degree is that the elevator plan is divided into 4x4 small blocks, each time a 2x2 small block area is selected, 9 areas are taken out, the occupied area in each area is divided, the remaining area is calculated, if there is an overlapping area, the overlapping area is calculated only once, if the remaining area is larger than the occupied area of 1.5 normal adults, the elevator is judged to be not congested, otherwise, the elevator is judged to be not congested when any one area in the elevator is judged to be not congested, otherwise, the elevator is judged to be not congested as a whole, and if all the areas of the elevator are judged to be congested, the elevator is judged to be congested.
Compared with the prior art, the invention has the following beneficial effects: in the invention, the control panel and the calling panel can both control the operation of the elevator through the receiving module and the control module, the pressure sensor is used for detecting the pressure distribution of each position at the bottom of the elevator and transmitting the pressure distribution to the calculating module, the calculating module and the simulating module can calculate the congestion condition in the elevator according to the outline and the size of the pressure distribution, and the control module controls whether the elevator responds to an external calling key or not according to the calculation result.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the elevator plane coordinate system of the present invention;
FIG. 3 is a schematic illustration of the profile of the sole of the present invention;
figure 4 is a schematic representation of the high heel sole profile of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, the present invention provides the following technical solutions: the intelligent humanized elevator stop control system based on big data comprises an elevator device, a calling panel and a control system, and is characterized in that: the elevator device comprises an elevator, the top of the elevator is connected with a motor through a cable, one side in the elevator is provided with a control panel, the bottom of the elevator is uniformly provided with a plurality of pressure sensors, the calling panel comprises a calling button and a display screen, the control system comprises a receiving module, a calculating module, an analog module, a track judging module, a recording module and a control module, the control panel, the calling button and the pressure sensors are electrically connected with the receiving module, and the display screen and the motor are electrically connected with the control module;
the control panel and the calling panel can both control the operation of the elevator through the receiving module and the control module, the pressure sensor is used for detecting the pressure distribution of each position at the bottom of the elevator and transmitting the pressure distribution to the calculating module, the calculating module and the simulating module can calculate the congestion condition in the elevator according to the outline and the size of the pressure distribution, the track judging module is used for judging disabled persons, cargoes and carts according to the rule of the change of the outline of the pressure distribution, and the control module controls whether the elevator responds to external calling keys according to the calculation result;
the elevator stop control system comprises the following operation steps:
s1, a person outside the elevator presses a calling button, and a control module controls the elevator to respond to calling;
s2, entering an elevator by personnel outside the elevator, pressing a control panel, and closing the elevator;
s3, the pressure sensor sends the pressure information and the position to the receiving module;
s4, the track judging module records the pressure change track and change value before the elevator is closed
S5, simulating a pressure distribution diagram by a simulation module, and judging the load type of each position according to the pressure distribution diagram;
s6, the calculation module calculates occupied areas according to the load types respectively;
s7, simulating the occupied volume into an elevator plan by a simulation module, and calculating the congestion condition according to the profile distribution condition of the occupied area;
s8, if the interior of the elevator is crowded or the total weight is large, the next call button is not responded, the display screen is used for prompting that the elevator is full, and otherwise, the next call button is responded continuously;
s9, repeating the steps S2-S8 after the elevator stops next time;
in the steps S4-S5, the judging method of the load type is as follows: the recording module records a common sole contour model and a high-heel sole contour model, and the simulation module can compare the sole contour model, the high-heel sole contour and the pressure distribution contour and screen out the sole contour and the high-heel sole contour;
if the track judging module records that the change rule and the track of the sole outline are the same as those of the two points, the sole outline is recorded as a disabled person, and the two points are marked as crutch points;
the foot length of a person can be obtained through the sole contour and the high-heeled sole contour, and then the height and the shoulder width of the person can be calculated according to the proportional relation of the human body parts in medicine so as to calculate the occupied area of the person;
if the other outlines have large-area pressure distribution outlines and the track judging module does not record the movement tracks of the pressure distribution outlines, the outlines are judged to be cargo outlines, and if the small-area pressure distribution outlines which are uniformly distributed exist and the movement tracks of the pressure distribution outlines in the track judging module are long-strip-shaped, the small-area pressure distribution outlines are bound to be used as trolley distribution outlines;
after judging the sole contour and the high-heeled sole contour, the calculation module adds the values of the corresponding pressure sensors to obtain the weight G of the person at the position, and if only one sole contour exists, half of the added values of the corresponding pressure sensors are taken for the subsequent calculation module to calculate the occupied area, so that the effect of accurately distinguishing the person, the disabled person with the walking stick, the goods and the cart is achieved;
in step S6, the calculation method of the occupied area is:
wherein, I 1 For sole contour length l 2 For the outline length of the sole with high heel, l 3 For the high-heeled sole with large shadow length, H calculates the height of a person, g is the gravity coefficient, ρ is the density of the person, and 1.02g/cm is taken 3 0.6G represents the weight of the body and arms of the person, and 0.4H represents the length of the body of the person, whereby the body cross-sectional area of each person can be calculated as the occupied area when riding an elevator;
in step S7, the simulation of the elevator plan is:
s71, establishing a coordinate system by taking one corner of an elevator as a coordinate origin;
s72, establishing a rectangle in the positive direction of the coordinate system, wherein the length and the width of the rectangle are consistent with the size of the elevator, and the rectangle is used as an elevator plan;
s73, respectively reacting the pressure distribution maps into the maps;
s74, respectively establishing an elliptic equation by taking the sole contour and the high-heeled sole contour as the center, and taking the ellipse as the occupied area of each person;
s75, directly taking the cargo outline as a cargo occupation area;
s76, connecting all points of the contour of the trolley, selecting the longest line as the diameter, and drawing a circle by using the center of the contour of the trolley as the occupied area of the trolley;
s77, a calculation module calculates the crowding degree in the elevator according to all occupied areas;
in step S74, the magnitudes of the major axis a and the minor axis b of the ellipse need to be calculated before calculating the ellipse equation, and the calculation formula is as follows:
。
the basic value effect of calculating the occupied area of the person is achieved, and the simulation module is convenient for simulating the occupied area of the person;
the elliptic equation is:
in the formula, X, Y is the central coordinate (X, Y) of the sole profile or the high-heeled sole profile, t is the inclination angle between the vertical direction and the X-axis direction of the sole profile or the high-heeled sole profile, θ is a coefficient, and the calculated elliptic profile is the occupied area of each person, so that the effect of calculating the occupied area of each person is achieved, and the crowding condition in the elevator can be conveniently judged;
in the steps S74-S76, the circle is used as the occupied area of the cart, so that enough space is reserved in the elevator after the elevator arrives at the floor to enable people to carry out goods, meanwhile, for the disabled who sits on the wheelchair, enough space is reserved for the disabled to turn the wheelchair, if the disabled uses the crutch, because the disabled can be marked as the disabled, a circle of concentric ellipse with the crutch point as the long axis is additionally arranged outside the occupied area of the disabled, so that enough movable space is also provided for the disabled who uses the crutch, the effect of providing a wider elevator space for the disabled is achieved, and accidents are avoided when the disabled uses the elevator;
after the elevator is closed, if a person moves, holds or carries an article, the gravity center position shifts to one side, so that the pressure on one side of the outline of the sole becomes larger, the larger the article is, the larger the shifting distance is, the larger the difference value is, after the gravity center shifting is detected in the simulation module, a temporary occupied area is added in the corresponding direction of the personnel occupied area according to the direction and the size of the gravity center shifting, the larger the shifting is, the larger the temporary occupied area is, when the elevator just starts to accelerate and ascend, the pressure sensor displays a larger number because of inertia of a human body, the numerical value received by the receiving module is not used for calculation, the numerical value change rule is recorded, the numerical value change of the area positioned at the gravity center position is larger, the shifting size can be measured more accurately, the simulation module corrects the temporary occupied area in real time at the moment, the accuracy of subsequent crowding degree judgment is ensured, and the effect of more accurately judging the personnel occupied area is achieved;
in step 77, the method for calculating the congestion degree is that the elevator plan is divided into 4x4 small blocks equally, 2x2 small block areas are selected each time, 9 areas are taken out, the occupied area in each area is calculated, if the overlapping area exists, the overlapping area is calculated once, when the occupied area of the remaining area is larger than that of 1.5 normal adults, the elevator is judged to be not congested, otherwise, when any one area in the elevator is judged to be not congested, the whole elevator is judged to be not congested, otherwise, when all the areas in the elevator are judged to be congested, the whole elevator is judged to be congested, the effect that the congestion degree in the elevator can be judged through the pressure distribution in the elevator is achieved, the elevator is prevented from calling floors under the condition that people are not heavy, and the time waste of people inside and outside the elevator is avoided.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. The intelligent humanized elevator stop control system based on big data comprises an elevator device, a calling panel and a control system, and is characterized in that: the elevator device comprises an elevator, the top of the elevator is connected with a motor through a cable, one side in the elevator is provided with a control panel, the bottom of the elevator is uniformly provided with a plurality of pressure sensors, the calling panel comprises a calling button and a display screen, the control system comprises a receiving module, a calculating module, an analog module, a track judging module, a recording module and a control module, the control panel, the calling button and the pressure sensors are electrically connected with the receiving module, and the display screen and the motor are electrically connected with the control module;
the control panel and the calling panel can both control the operation of the elevator through the receiving module and the control module, the pressure sensors are used for detecting the pressure distribution of each position at the bottom of the elevator and transmitting the pressure distribution to the calculating module, the calculating module and the simulating module can calculate the congestion condition in the elevator according to the outline and the size of the pressure distribution, and the control module controls whether the elevator responds to an external calling key or not according to the calculation result;
the elevator stop control system comprises the following operation steps:
s1, a person outside the elevator presses a calling button, and a control module controls the elevator to respond to calling;
s2, entering an elevator by personnel outside the elevator, pressing a control panel, and closing the elevator;
s3, the pressure sensor sends the pressure information and the position to the receiving module;
s4, the track judging module records the pressure change track and change value before the elevator is closed
S5, simulating a pressure distribution diagram by a simulation module, and judging the load type of each position according to the pressure distribution diagram;
s6, the calculation module calculates occupied areas according to the load types respectively;
s7, simulating the occupied volume into an elevator plan by a simulation module, and calculating the congestion condition according to the profile distribution condition of the occupied area;
s8, if the interior of the elevator is crowded or the total weight is large, the next call button is not responded, the display screen is used for prompting that the elevator is full, and otherwise, the next call button is responded continuously;
s9, repeating the steps S2-S8 after the elevator stops next time;
in the steps S4-S5, the judging method of the load type is as follows: the recording module records a common sole contour model and a high-heel sole contour model, and the simulation module can compare the sole contour model, the high-heel sole contour and the pressure distribution contour and screen out the sole contour and the high-heel sole contour;
if the track judging module records that the change rule and the track of the sole outline are the same as those of the two points, the sole outline is recorded as a disabled person, and the two points are marked as crutch points;
the foot length of a person can be obtained through the sole contour and the high-heeled sole contour, and then the height and the shoulder width of the person can be calculated according to the proportional relation of the human body parts in medicine so as to calculate the occupied area of the person;
if the other outlines have large-area pressure distribution outlines and the track judging module does not record the movement tracks of the pressure distribution outlines, the outlines are judged to be cargo outlines, and if the small-area pressure distribution outlines which are uniformly distributed exist and the movement tracks of the pressure distribution outlines in the track judging module are long-strip-shaped, the small-area pressure distribution outlines are bound to be used as trolley distribution outlines;
after judging the sole contour and the high-heeled sole contour, the calculation module adds the values of the corresponding pressure sensors to obtain the weight G of the person at the position, and if only one sole contour exists, half of the added values of the corresponding pressure sensors are taken for the subsequent calculation module to calculate the occupied area;
in the step S6, the calculation method of the occupied area is as follows:
wherein, I 1 For sole contour length l 2 For the outline length of the sole with high heel, l 3 For the high-heeled sole with large shadow length, H calculates the height of a person, g is the gravity coefficient, ρ is the density of the person, and 1.02g/cm is taken 3 0.6G represents the weight of the body and arms of the person, and 0.4H represents the length of the body of the person, whereby the body cross-sectional area of each person can be calculated as the occupied area when riding an elevator;
in the step S7, the simulation mode of the elevator plan is as follows:
s71, establishing a coordinate system by taking one corner of an elevator as a coordinate origin;
s72, establishing a rectangle in the positive direction of the coordinate system, wherein the length and the width of the rectangle are consistent with the size of the elevator, and the rectangle is used as an elevator plan;
s73, respectively reacting the pressure distribution maps into the maps;
s74, respectively establishing an elliptic equation by taking the sole contour and the high-heeled sole contour as the center, and taking the ellipse as the occupied area of each person;
s75, directly taking the cargo outline as a cargo occupation area;
s76, connecting all points of the contour of the trolley, selecting the longest line as the diameter, and drawing a circle by using the center of the contour of the trolley as the occupied area of the trolley;
s77, a calculation module calculates the crowding degree in the elevator according to all occupied areas;
in the step 77, the method for calculating the congestion degree is that the elevator plan is divided into 4x4 small blocks equally, 2x2 small block areas are selected each time, 9 areas are taken out, the occupied area in each area is divided, the remaining area is calculated, if the overlapping area exists, the overlapping area is calculated only once, when the remaining area is larger than the occupied area of 1.5 normal adults, the elevator is judged to be not congested, otherwise, the elevator is judged to be not congested when any one area in the elevator is judged to be not congested, otherwise, the elevator is judged to be not congested as a whole, and when all the areas of the elevator are judged to be congested, the elevator is judged to be congested.
2. The intelligent humanized elevator stop control system based on big data according to claim 1, wherein: in the step S74, the magnitudes of the major axis a and the minor axis b of the ellipse need to be calculated before calculating the ellipse equation, and the calculation formula is as follows:
。
3. the intelligent humanized elevator stop control system based on big data according to claim 2, wherein: the elliptic equation is:
in the formula, X, Y is the central coordinate (X, Y) of the sole profile or the high-heeled sole profile, t is the inclination angle between the vertical direction and the X-axis direction of the sole profile or the high-heeled sole profile, θ is a coefficient, and the calculated elliptical profile is the occupied area of each person.
4. An intelligent humanized elevator stop control system based on big data according to claim 3, characterized in that: in the steps S74-S76, the circle is used as the occupied area of the cart, so that enough space in the elevator can be ensured to carry out goods after arriving at the floor, meanwhile, for the disabled who sits on the wheelchair, enough space is provided for the disabled to turn the wheelchair, if the disabled uses the crutch, a circle of concentric ellipse taking the crutch point as the long axis is additionally arranged outside the occupied area of the disabled because the disabled uses the crutch, and enough movement space is provided for the disabled who uses the crutch.
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