CN103010869A - FPGA (Field Programmable Gate Array)-based elevator automatic control system and control method - Google Patents
FPGA (Field Programmable Gate Array)-based elevator automatic control system and control method Download PDFInfo
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- CN103010869A CN103010869A CN2012105290463A CN201210529046A CN103010869A CN 103010869 A CN103010869 A CN 103010869A CN 2012105290463 A CN2012105290463 A CN 2012105290463A CN 201210529046 A CN201210529046 A CN 201210529046A CN 103010869 A CN103010869 A CN 103010869A
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Abstract
The invention discloses an FPGA (Field Programmable Gate Array)-based elevator automatic control system, which is characterized by comprising a floor selector, wherein the floor selector is used for transmitting a floor selection signal into a sub-controller; the sub-controller is used for displaying a current floor on a floor display through a decoder and transmitting information on the floor selector into a master controller; and the master controller is used for controlling operation of an elevator and displaying the operation state of the elevator through a state display. The current floor signal A and a request signal B are compared in the master controller in real time; when A is less than B, the elevator is controlled by the master controller to lift, if A is greater than B, the elevator is controlled by the master controller to drop, and if A is equal to B, the door of the elevator is opened for 5 seconds and so forth; and if no request signal is input, the elevator stops at the current floor without moving. The control system using FPGA design has the advantages of high operation reliability, convenience in use and maintenance, high anti-interference capacity and shorter design period and debugging period.
Description
Technical field
The present invention relates to a kind of control system and control method, relate in particular to a kind of elevator autonomous cruise speed system and control method based on FPGA.
Background technology
Along with the development of automatic control theory, great changes have all occured in the driving style of elevator and control device.AC speed regulating is the main development direction that current elevator drags.Apparatus for controlling elevator mainly contains three kinds of modes at present: relay path control system, FPGA/CPLD control system, microprocessor control system.The relay path control system since fault rate height, poor reliability, the shortcoming such as mode is dumb and consumed power is large be eliminated gradually at present.Though microprocessor control system has stronger function aspect Based Intelligent Control, also exist immunity to a distrubance poor, system is complicated, and general maintainer is difficult to grasp the defectives such as its maintenance technique
Many elevator electric part relay-contactor control system that present domestic the seventies and eighties installs, complex circuit, wiring is many, fault rate is high, maintenance is difficult, many idle states that have been in, because these elevator ac voltage speed control systems, AC two speed motor driving system performance and ride comfort sense are relatively poor, the ac voltage speed control system belongs to the mechanics of energy consumption type speed governing without large problem, for economizing on the use of funds, most of old-fashioned elevator customer wishes the electric control system of elevator is transformed, and improves the drive ability of elevator.
Summary of the invention
Purpose of the present invention is exactly in order to address the above problem, and a kind of apparatus for controlling elevator based on FPGA and control method are provided, and it has the serviceability height, and use and maintenance is convenient, strong interference immunity, the advantage that design and debugging cycle are short.
To achieve these goals, the present invention adopts following technical scheme:
A kind of elevator autonomous cruise speed system based on FPGA, it comprises floor selector, floor selector will select the signal of floor to send into sub-controller, sub-controller shows current floor by decoder at floor indicator, sub-controller is sent the information of floor selector into master controller, and the main controller controls elevator moves and shows elevator operation by status displays.
Described master controller is the FPGA module, and described sub-controller is micro controller system.
Described floor indicator and status displays are LCDs or charactron.
Described floor selector is a keyboard.
Utilization is based on a kind of elevator control method of the elevator autonomous cruise speed system of FPGA, and concrete steps are:
Step 1: at first sub-controller is determined current floor, and shows current floor by floor indicator;
Step 2: by the floor that the floor selector selection need to arrive, sub-controller is uploaded to master controller with the floor information of selecting;
Step 3: master controller is analyzed the selection signal of floor selector, and the operation of control elevator;
The concrete steps of described step 3 are: current floor signal A and request signal B compare in master controller in real time, when A＜B, the main controller controls ascending for elevator, if A〉B, the main controller controls elevator is descending, if A=B, door-opened elevator 5 seconds, so repeatedly, if there is not the request signal input, it is motionless that then elevator is parked in current floor.
When elevator is in the rising pattern, the request signal upstairs that response ratio elevator position is high, from bottom to top carry out one by one, to the last request upstairs is finished, as more high-rise request downstairs arranged, the The Highest Tower that then directly being raised to request is downstairs received lodgers, just then enter drop mode, when elevator is in drop mode, then opposite with the rising pattern.
Beneficial effect of the present invention: the present invention adopts the control system serviceability of FPGA design high, and use and maintenance is convenient, strong interference immunity, and design and debugging cycle are shorter.
Description of drawings
Fig. 1 is system chart of the present invention.
Wherein, 1. master controller, 2. sub-controller, 3. floor selector, 4. status displays, 5. decoder, 6. floor indicator.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, a kind of elevator autonomous cruise speed system based on FPGA, it comprises floor selector 3, floor selector 3 will select the signal of floor to send into sub-controller 2, sub-controller 2 shows current floor by decoder 5 at floor indicator 6, sub-controller 2 is sent the information of floor selector 3 into master controller 1, and master controller 1 control elevator operation is also passed through status displays 4 demonstration elevator operations.
Described master controller 1 is the FPGA module, and described sub-controller 2 is micro controller system.
Described floor indicator 6 and status displays 4 are LCDs or charactron.
Described floor selector 3 is a keyboard.
Utilization is based on a kind of elevator control method of the elevator autonomous cruise speed system of FPGA, and concrete steps are:
Step 1: at first sub-controller 2 is determined current floor, and shows current floor by floor indicator 6;
Step 2: by the floor that floor selector 3 selections need to arrive, sub-controller 2 is uploaded to master controller 1 with the floor information of selecting;
Step 3: master controller 1 is analyzed the selection signal of floor selector 3, and the operation of control elevator;
The concrete steps of described step 3 are: current floor signal A and request signal B compare in master controller 1 in real time, when A＜B, master controller 1 control ascending for elevator, if A〉B, master controller 1 control elevator is descending, if A=B, master controller 1 control door-opened elevator 5 seconds, so repeatedly, if there is not the request signal input, it is motionless that then elevator is parked in current floor.
Although above-mentionedly by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (6)
1. elevator autonomous cruise speed system based on FPGA, it is characterized in that, it comprises floor selector, floor selector will select the signal of floor to send into sub-controller, sub-controller shows current floor by decoder at floor indicator, sub-controller is sent the information of floor selector into master controller, and the main controller controls elevator moves and shows elevator operation by status displays.
2. as claimed in claim 1 based on the elevator autonomous cruise speed system of FPGA, it is characterized in that described master controller is the FPGA module, described sub-controller is micro controller system.
3. as claimed in claim 1 based on the elevator autonomous cruise speed system of FPGA, it is characterized in that described floor indicator and status displays are LCDs or charactron.
4. as claimed in claim 1 based on the elevator autonomous cruise speed system of FPGA, it is characterized in that described floor selector is a keyboard.
5. utilize a kind of elevator control method of the elevator autonomous cruise speed system based on FPGA claimed in claim 1, it is characterized in that concrete steps are:
Step 1: at first sub-controller is determined current floor, and shows current floor by floor indicator;
Step 2: by the floor that the floor selector selection need to arrive, sub-controller is uploaded to master controller with the floor information of selecting;
Step 3: master controller is analyzed the selection signal of floor selector, and the operation of control elevator.
6. a kind of elevator autocontrol method as claimed in claim 5, it is characterized in that the concrete steps of described step 3 are: current floor signal A and request signal B compare in master controller in real time, when A＜B, the main controller controls ascending for elevator, if A〉B, the main controller controls elevator is descending, if A=B, door-opened elevator 5 seconds, so repeatedly, if there is not the request signal input, it is motionless that then elevator is parked in current floor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105290463A CN103010869A (en) | 2012-12-10 | 2012-12-10 | FPGA (Field Programmable Gate Array)-based elevator automatic control system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012105290463A CN103010869A (en) | 2012-12-10 | 2012-12-10 | FPGA (Field Programmable Gate Array)-based elevator automatic control system and control method |
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| CN103010869A true CN103010869A (en) | 2013-04-03 |
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| CN2012105290463A Pending CN103010869A (en) | 2012-12-10 | 2012-12-10 | FPGA (Field Programmable Gate Array)-based elevator automatic control system and control method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09165154A (en) * | 1995-12-19 | 1997-06-24 | Hitachi Ltd | Elevator control system and elevator car position indicator |
| CN1562720A (en) * | 2004-03-22 | 2005-01-12 | 武汉理工大学 | Intelligent method and device for controlling elevator based on distributed multipath CAN bus |
| CN101596991A (en) * | 2009-04-23 | 2009-12-09 | 康力电梯股份有限公司 | Elevator device based on flush bonding module |
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2012
- 2012-12-10 CN CN2012105290463A patent/CN103010869A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09165154A (en) * | 1995-12-19 | 1997-06-24 | Hitachi Ltd | Elevator control system and elevator car position indicator |
| CN1562720A (en) * | 2004-03-22 | 2005-01-12 | 武汉理工大学 | Intelligent method and device for controlling elevator based on distributed multipath CAN bus |
| CN101596991A (en) * | 2009-04-23 | 2009-12-09 | 康力电梯股份有限公司 | Elevator device based on flush bonding module |
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Application publication date: 20130403 |