CN103793959A - Method and system for determining out-put and in-put of warehouse of object by using infrared sensor - Google Patents
Method and system for determining out-put and in-put of warehouse of object by using infrared sensor Download PDFInfo
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Abstract
The invention discloses a method and system for determining out-put and in-put of warehouse of object by using infrared sensor. The method comprises the following steps: step 1, arranging a plurality of infrared transmitters and infrared receivers respectively on both sides of a warehouse door, wherein the infrared emitters and infrared receivers are in one-to-one correspondence to form a plurality of infrared sensors, the first sensor is on the innermost of the door, and the no. n sensor is on the outermost of the door; step 2, acquiring a shielding signal when an object comes out or gets into the warehouse and shields the infrared sensors, so as to form a shielding sequence, and prestoring a first shielding sequence for normal out-put of the object and a second shielding sequence for normal in-put of the object in a processing device; step 3, analyzing the quantity of shielding signals of the first shielding sequence contained in the shielding sequence, and calculating an out-put signal count F; step 4, analyzing the quantity of shielding signals of the second shielding sequence contained in the shielding sequence, and calculating an in-put signal count B; and step 5, determining the direction of the out-put and in-put of warehouse of object and interference signals according to F and B. The invention can effectively eliminate various interference factors and improve the determination effect of out-put and in-put of warehouse.
Description
Technical field
The present invention relates to a kind of warehouse management method and system, particularly relate to a kind of method and system of utilizing infrared sensor judgment object to go out warehouse-in.
Background technology
In storehouse management, need to carry out special concern to being worth larger object.Conventionally, these objects need to often carry out operationies on incoming and outgoing inventory, overhaul.In order to obtain in time the warehouse situation that of this type objects, can adopt the method for video monitoring and radio-frequency (RF) identification (RFID).Utilizing Video Supervision Technique, can understand the overall process that object goes out to put in storage, is outbound or warehouse-in but still need artificial judgment object.Utilize REID, radio-frequency (RF) tag is installed on object, can understand what object warehouse-in be, if what need judgment object goes out to put in storage direction, plural radio-frequency antenna need to be installed, these two antennas must keep distance enough far away, ability non-interference, and this situation is often subject to the restriction of warehouse size.Meanwhile, video monitoring and REID, need certain trigger means,, to mark the video clips of warehouse-in or to start radio frequency identification process during through storehouse door at object.In actual applications, trigger means is generally infrared sensor, an infrared sensor is made up of an infrared transmitter and an infrared remote receiver, transmitter and receiver are arranged on Ku Men both sides, when object is during through storehouse door, block the light path between transmitter and receiver, just produced the signal that has object to go out warehouse-in.
That utilizes that infrared sensor carrys out judgment object goes out to put in storage direction, is a kind of feasible method.Existing method is that every kind of situation that infrared sensor is blocked corresponds to respectively a kind of state, judges the direction of warehouse-in according to the variation of state.But in practical operation, because object is in the time going out to put in storage, often have staff to walk about before and after object, observe out warehouse situation, can infrared sensor be produced and be disturbed, impact goes out the correct judgement of warehouse-in to object.
The Chinese invention patent application that application number is 200910300512.9, application publication number is 101814204, Shen Qing Publication day is 2010.08.25 discloses a kind of warehouse management system, judge by the second infrared ray sensor that is placed in the first infrared ray sensor in warehouse gate and be placed in outside warehouse gate, while receiving in the ban the signal that the first infrared ray sensor sends, judge that this goods is outbound, and while receiving in the ban the signal that the second infrared sensor module sends, judge this goods warehousing.This invention can judge warehouse-in and the outbound of goods, but for other objects that are not this storage object, such as the objects such as handbarrow also carry out the identical warehouse-in judgement that goes out while going out to put in storage, can not distinguish whether be the warehouse-in that of target object, and in the time that coming in and going out, staff also can cause wrong report, cause the mistake of job record information, the carrying out of the normal work of impact.
Therefore, can eliminate personnel or the interference of other object to infrared sensor in the urgent need to a kind of, accurately utilize infrared sensor to judge that large-sized object goes out the method for warehouse-in.The present invention produces based on this current demand just.
Summary of the invention
The object of the invention is: a kind of method and system of utilizing infrared sensor judgment object to go out warehouse-in are provided, can effectively get rid of various factors blocks signal interference to infrared sensor, improve and judge that large-sized object goes out the effect of warehouse-in, and computing method are simple, travelling speed is fast, the storage resources taking is few, can on common treating apparatus, move, and implementation cost is cheap.
For achieving the above object, the present invention proposes a kind of method of utilizing infrared sensor judgment object to go out warehouse-in, the method comprises:
Step 1, installs respectively n infrared transmitter and infrared remote receiver in Ku Men both sides, described infrared transmitter and described infrared remote receiver are corresponding one by one, form n infrared sensor; First sensor is in the inside of storehouse door, and n (last) sensor is at storehouse door outermost;
Step 2, treating apparatus obtains the signal that blocks that blocks described infrared sensor when object goes out to put in storage, forms one and blocks sequence, and second when storing in advance first of the normal outbound of target object in this treating apparatus and blocking sequence and normal storage blocked sequence;
Step 3, blocks sequence described in described treating apparatus analysis and comprises first and block the quantity of blocking signal in sequence, calculates outbound signal-count F;
Step 4, blocks sequence described in described treating apparatus analysis and comprises second and block the quantity of blocking signal in sequence, calculates warehouse-in signal-count B;
Step 5, described treating apparatus, according to described outbound signal-count F and warehouse-in signal-count B, comes direction and undesired signal that judgment object goes out to put in storage.
Described step 2 comprises:
Step 21, described treating apparatus according to target object go out warehouse-in speed and in abutting connection with the distance between infrared sensor, calculate it by the time needing in abutting connection with infrared sensor, every described time once, the inquiry situation that once each infrared sensor is blocked, every inquiry once, obtains one and blocks signal;
Step 22, when treating apparatus inquire described in when blocking signal designation and having infrared sensor to be blocked, just start a storage of blocking sequence, if what this inquired block signal is with to block signal last time identical, this blocks signal and does not just store into and block in sequence, when treating apparatus inquire described in when blocking signal designation and not having infrared sensor to be blocked, just finish one and block sequence.
Described step 3 comprises:
Step 31, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described first blocks the signal that blocks that n infrared sensor in sequence be all blocked.If no, outbound signal-count F=0, and exit the counting of outbound signal; If had, outbound signal-count F=1, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
Step 32, reverse search from the previous position of described reference position, till block first position of sequence, search whether occur described first block in sequence before (n-1) individual infrared sensor be all blocked block signal.If no, the reference position of reverse search is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish reverse search;
Step 33, forward lookup position from described reference position starts, till block last position of sequence, searches and whether occurs that described first blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked.If no, the reference position of forward lookup is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish forward lookup;
Step 34, occur that repeatedly described first blocks the signal that blocks that n infrared sensor in sequence be all blocked if blocked in sequence, calculate successively each time the outbound signal-count F that signal starts that blocks that n infrared sensor be all blocked, select maximum outbound signal-count F as last outbound signal-count F.
Described step 4 comprises:
Step 41, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described second blocks the signal that blocks that n infrared sensor in sequence be all blocked.If no, put signal-count B=0 in storage, and exit the counting of warehouse-in signal; If had, put signal-count B=1 in storage, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
Step 42, reverse search, from the previous position of described reference position, till block first position of sequence, is searched and whether is occurred that described second blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked.If no, the reference position of reverse search is constant, if had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish reverse search;
Step 43, forward lookup position from described reference position starts, till block last position of sequence, search whether occur described second block in sequence before (n-1) individual infrared sensor be all blocked block signal.If no, the reference position of forward lookup is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish forward lookup;
Step 44, if there is repeatedly described second blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the warehouse-in signal-count B that signal starts that blocks that n infrared sensor be all blocked, select maximum warehouse-in signal-count B as last warehouse-in signal-count B.
The determination methods of described step 5 is:
If outbound signal-count F >=n and outbound signal-count F> warehouse-in signal-count B, object is in outbound;
If warehouse-in signal-count B >=n and warehouse-in signal-count B> outbound signal-count F, object is at warehouse-in;
If warehouse-in signal-count B >=n and outbound signal-count F >=n and warehouse-in signal-count B=outbound signal-count F cannot judgment object be outbound or warehouse-in;
If other signal is undesired signal.
The present invention also provides a kind of system of utilizing infrared sensor judgment object to go out warehouse-in, and this system comprises:
Infrared sensor module, comprise n infrared transmitter and infrared remote receiver, described infrared transmitter and infrared remote receiver are corresponding one by one, form n infrared sensor, this infrared transmitter is used for launching infrared ray, infrared remote receiver is used for receiving described infrared ray, and receives described ultrared signal to treating apparatus report; First sensor is in the inside of storehouse door, and n (last) sensor is at storehouse door outermost;
Treating apparatus module, goes out the step of warehouse-in, and is connected with described infrared sensor for moving judgment object, obtain the signal that infrared sensor is blocked;
Treating apparatus module comprises:
Obtain and block block, for obtaining the signal that blocks that blocks described infrared sensor when object goes out to put in storage, form one and block sequence, second when storing in advance first of the normal outbound of target object in this treating apparatus and blocking sequence and normal storage blocked sequence;
The first analysis module, comprises the first quantity of blocking sequence and blocking signal for blocking sequence described in analyzing, and calculates outbound signal-count F;
The second analysis module, comprises the second quantity of blocking sequence and blocking signal for blocking sequence described in analyzing, and calculates warehouse-in signal-count B;
Judge module, for according to described outbound signal-count F and warehouse-in signal-count B, carrys out the direction that judgment object goes out to put in storage.
Described obtaining blocked block and comprised:
Block signal acquisition module, according to target object go out warehouse-in speed and in abutting connection with the distance between infrared sensor, calculate it by the time needing in abutting connection with infrared sensor, every described time once, the inquiry situation that once each infrared sensor is blocked, every inquiry once, obtains one and blocks signal;
Query processing module, in the time blocking signal designation described in inquiring and have infrared sensor to be blocked, just starts a storage of blocking sequence.If what this inquired block signal is with to block signal last time identical, this blocks signal and does not just store into and block in sequence, when inquire block signal designation and do not have infrared sensor to be blocked time, just finish one and block sequence.
Described the first analysis module comprises:
The first pretreatment module, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described first blocks the signal that blocks that n infrared sensor in sequence be all blocked.If no, outbound signal-count F=0, and exit the counting of outbound signal; If had, outbound signal-count F=1, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
The first reverse search analysis module, reverse search is from the previous position of described reference position, till block first position of sequence, search whether occur described first block in sequence before (n-1) individual infrared sensor be all blocked block signal.If no, the reference position of reverse search is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish reverse search;
The first forward lookup analysis module, forward lookup position from described reference position starts, till block last position of sequence, search and whether occur that described first blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked.If no, the reference position of forward lookup is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish forward lookup;
The first result of calculation module, if there is repeatedly described first blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the outbound signal-count F that signal starts that blocks that n infrared sensor be all blocked, select maximum outbound signal-count F as last outbound signal-count F.
Described the second analysis module comprises:
The second pretreatment module, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described second blocks the signal that blocks that n infrared sensor in sequence be all blocked.If no, put signal-count B=0 in storage, and exit the counting of warehouse-in signal; If had, put signal-count B=1 in storage, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
The second reverse search analysis module, reverse search is from the previous position of described reference position, till block first position of sequence, search and whether occur that described second blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked.If no, the reference position of reverse search is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish reverse search;
The second forward lookup analysis module, forward lookup position from described reference position starts, till block last position of sequence, search whether occur described second block in sequence before (n-1) individual infrared sensor be all blocked block signal.If no, the reference position of forward lookup is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish forward lookup;
The second result of calculation module, if there is repeatedly described second blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the warehouse-in signal-count B that signal starts that blocks that n infrared sensor be all blocked, select maximum warehouse-in signal-count B as last warehouse-in signal-count B.
Described judge module comprises:
Judge library module, as outbound signal-count F >=n and outbound signal-count F> warehouse-in signal-count B, object is in outbound;
Judge into library module, as warehouse-in signal-count B >=n and warehouse-in signal-count B> outbound signal-count F, object is at warehouse-in;
Judgement, without separating module, as warehouse-in signal-count B >=n and outbound signal-count F >=n and warehouse-in signal-count B=outbound signal-count F, cannot judgment object be outbound or warehouse-in;
Judging interference module, in the time being other signal, is undesired signal.
Beneficial effect of the present invention is: the interference that can effectively get rid of various factors and infrared sensor is blocked to signal, has improved and has judged that large-sized object goes out the effect of warehouse-in; What in the present invention, adopt goes out to put in storage direction determination process, and computing method are simple, and travelling speed is fast, and the storage resources taking is few, can on common treating apparatus, move, and implementation cost is cheap.The present invention, by going out in the application of warehouse-in at the large-sized object of monitoring high value, plays a significant role.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Accompanying drawing explanation
Fig. 1 is the method flow diagram that utilizes infrared sensor judgment object to go out warehouse-in of the present invention;
Fig. 2 is the system schematic of utilizing infrared sensor judgment object to go out warehouse-in of the present invention.
Embodiment
Fig. 1 is the method flow diagram that utilizes infrared sensor judgment object to go out warehouse-in of the present invention.As shown in Figure 1, the method comprises:
Step 1, n infrared transmitter and infrared remote receiver are installed respectively in Ku Men both sides, and described infrared transmitter and infrared remote receiver are corresponding one by one, form n infrared sensor, first sensor is in the inside of storehouse door, and n (last) sensor is at storehouse door outermost;
Step 2, treating apparatus obtains the signal that blocks that blocks described infrared sensor when object goes out to put in storage, forms one and blocks sequence, and second when storing in advance first of the normal outbound of target object in this treating apparatus and blocking sequence and normal storage blocked sequence;
Step 3, blocks sequence described in described treating apparatus analysis and comprises first and block the quantity of blocking signal in sequence, calculates outbound signal-count F;
Step 4, blocks sequence described in described treating apparatus analysis and comprises second and block the quantity of blocking signal in sequence, calculates warehouse-in signal-count B;
Step 5, described treating apparatus, according to described outbound signal-count F and warehouse-in signal-count B, comes direction and undesired signal that judgment object goes out to put in storage.
Described treating apparatus is microprocessor, can be also computing machine.
Described step 2 comprises:
Step 21, described treating apparatus according to target object go out warehouse-in speed and in abutting connection with the distance between infrared sensor, calculate it by the time needing in abutting connection with infrared sensor, every described time once, the inquiry situation that once each infrared sensor is blocked, every inquiry once, obtains one and blocks signal;
Step 22, when treating apparatus inquire described in when blocking signal designation and having infrared sensor to be blocked, just start a storage of blocking sequence, if what this inquired block signal is with to block signal last time identical, this blocks signal and does not just store into and block in sequence, when treating apparatus inquires while not having infrared sensor to be blocked, just finish one and block sequence.
Described step 3 comprises:
Step 31, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described first blocks the signal that blocks that n infrared sensor in sequence be all blocked.If no, outbound signal-count F=0, and exit the counting of outbound signal; If had, outbound signal-count F=1, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
Step 32, reverse search, from the previous position of described reference position, blocks sequence till first position, search whether occur described first block in sequence before (n-1) individual infrared sensor be all blocked block signal.If no, the reference position of reverse search is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish reverse search;
Step 33, forward lookup position from described reference position starts, till block last position of sequence, searches and whether occurs that described first blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked.If no, the reference position of forward lookup is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish forward lookup;
Step 34, if there is repeatedly described first blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the outbound signal-count F that signal starts that blocks that n infrared sensor be all blocked, select maximum outbound signal-count F as last outbound signal-count F.
Described step 4 comprises:
Step 41, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described second blocks the signal that blocks that n infrared sensor in sequence be all blocked.If no, put signal-count B=0 in storage, and exit the counting of warehouse-in signal; If had, put signal-count B=1 in storage, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
Step 42, reverse search, from the previous position of described reference position, till block first position of sequence, is searched and whether is occurred that described second blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked.If no, the reference position of reverse search is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish reverse search;
Step 43, forward lookup position from described reference position starts, till block last position of sequence, search whether occur described second block in sequence before (n-1) individual infrared sensor be all blocked block signal.If no, the reference position of forward lookup is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish forward lookup;
Step 44, if there is repeatedly described second blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the warehouse-in signal-count B that signal starts that blocks that n infrared sensor be all blocked, select maximum warehouse-in signal-count B as last warehouse-in signal-count B.
The determination methods of described step 5 is:
If outbound signal-count F >=n and outbound signal-count F> warehouse-in signal-count B, object is in outbound;
If warehouse-in signal-count B >=n and warehouse-in signal-count B> outbound signal-count F, object is at warehouse-in;
If warehouse-in signal-count B >=n and outbound signal-count F >=n and warehouse-in signal-count B=outbound signal-count F cannot judgment object be outbound or warehouse-in;
If other signal is undesired signal.For example that other objects that staff goes out to put in storage, length is less than object length go out the undesired signals such as warehouse-in.
When concrete enforcement, infrared sensor is at least 4, keeps the distance effect of 30 centimetres to 50 centimetres better between the sensor of two adjacency.
The first embodiment, 4 infrared sensors to be installed as example, is 40 centimetres in abutting connection with the distance between sensor, and the distance between 4 sensors of first sensor to the is 120 centimetres.First sensor is in the inside of storehouse door, and the 4th (last) sensor is at storehouse door outermost.Be that distance between last infrared sensor and first infrared sensor will meet the space constraint of storehouse, warehouse door, and be no more than the length of target object.
Timing acquisition object blocks the signal that blocks of infrared sensor situation while going out to put in storage, form one and block sequence.Block sequence from having one or more infrared sensors are blocked, until all infrared sensors are not all blocked.
Because large-sized object is in the time going out to put in storage, translational speed maximum can reach 5 meter per seconds, and according to 40 centimetres of the distances in abutting connection with between infrared sensor, the time that can calculate object needs by 40 cm distance is 0.4/5=0.08 second=80 millisecond.Therefore, treating apparatus should, every for example, less than 80 milliseconds (, 50 milliseconds), be inquired about the situation that once whether each infrared sensor is blocked.Every inquiry once, can obtain one and block signal, for example: (sensor 1 is blocked), (sensor 1 is blocked, sensor 2 is blocked), (sensor 1 is blocked, sensor 2 is blocked, sensor 3 is blocked), (sensor 1 is blocked, sensor 3 is blocked) etc.These block signal can be abbreviated as respectively (1), (12), (123), (13).
When treating apparatus inquire block signal designation and have infrared sensor to be blocked time, just start a storage of blocking sequence, every 50 milliseconds of inquiries once, if this inquire block signal and to block signal last time identical, this blocks signal and does not just store into and block in sequence.When treating apparatus inquires when blocking signal designation and not having infrared sensor to be blocked, just finish one and block sequence, judged by following steps.
For 4 infrared sensors, a possible sequence of blocking is: (2), (1), (12), (123), (23), (1234), (34), (234), (34), (4), (3).First of normal outbound is blocked sequence and is: (1), (12), (123), (1234), (234), (34), (4).Sequence is blocked in second of normal storage: (4), (34), (234), (1234), (123), (12), (1).
1. analyze block whether sequence comprise that normal outbound operation forms block all or part of of sequence, calculate outbound signal-count F.Concrete determination methods is as follows:
(1) first judgement blocks in sequence, whether to have occurred blocking signal (1234), if do not occurred, and F=0, and exit the counting of outbound signal; If blocking the individual signal that blocks of i in sequence is (1234), F=1, mark reverse search reference position is that i, forward lookup reference position are i;
(2), if reverse search reference position is i,, from blocking the individual position of sequence (i-1), till block first position of sequence, finds and block signal (123).If do not found, mark reverse search reference position j=i; If blocked, in sequence, the individual signal that blocks of j is for (123), and F adds 1, and mark reverse search position is j;
(3), if reverse search reference position is j,, from blocking the individual position of sequence (j-1), till block first position of sequence, finds and block signal (12).If do not found, mark reverse search reference position k=j; If blocked, in sequence, the individual signal that blocks of k is for (12), and F adds 1, and mark reverse search position is k;
(4), if reverse search reference position is k,, from blocking the individual position of sequence (k-1), till block first position of sequence, finds and block signal (1).If do not found, finish reverse search; If blocked, in sequence, the individual signal that blocks of m is for (1), and F adds 1, and finishes reverse search;
(5), if forward lookup reference position is i,, from blocking the individual position of sequence (i+1), till block last position of sequence, finds and block signal (234).If do not found, mark forward lookup reference position r=i; If blocked, in sequence, the individual signal that blocks of r is for (234), and F adds 1, and mark forward lookup position is r;
(6), if forward lookup reference position is r,, from blocking the individual position of sequence (r+1), till block last position of sequence, finds and block signal (34).If do not found, mark forward lookup reference position s=r; If blocked, in sequence, the individual signal that blocks of s is for (34), and F adds 1, and mark forward lookup position is s;
(7) if forward lookup reference position is s, from the individual position of sequence (s+1), till last position of sequence is found and blocked signal (4).If do not found, finish forward lookup; If blocked, in sequence, the individual signal that blocks of t is for (4), and F adds 1, and finishes forward lookup.
(8) if block in sequence and occur each signal (1234) that blocks being calculated to its outbound signal-count F by multiple signals (1234) that block, select maximum outbound signal-count F as last outbound signal-count F.
2. analyze block whether sequence comprise that normal storage operation forms block all or part of of sequence, calculate warehouse-in signal-count B.Concrete determination methods is as follows:
(1) first judgement blocks in sequence whether occurred blocking signal (1234), if do not occurred, and B=0, and exit the counting of putting signal in storage; If blocking the individual signal that blocks of i in sequence is (1234), B=1, mark reverse search reference position is that i, forward lookup reference position are i;
(2), if reverse search reference position is i,, from blocking the individual position of sequence (i-1), till block first position of sequence, finds and block signal (234).If do not found, mark reverse search reference position j=i; If blocked, in sequence, the individual signal that blocks of j is for (234), and B adds 1, and mark reverse search position is j;
(3), if reverse search reference position is j,, from blocking the individual position of sequence (j-1), till block first position of sequence, finds and block signal (34).If do not found, mark reverse search reference position k=j; If blocked, in sequence, the individual signal that blocks of k is for (34), and B adds 1, and mark reverse search position is k;
(4), if reverse search reference position is k,, from blocking the individual position of sequence (k-1), till block first position of sequence, finds and block signal (4).If do not found, finish reverse search; If blocked, in sequence, the individual signal that blocks of m is for (4), and B adds 1, and finishes reverse search;
(5), if forward lookup reference position is i,, from blocking the individual position of sequence (i+1), till block last position of sequence, finds and block signal (123).If do not found, mark forward lookup reference position r=i; If blocked, in sequence, the individual signal that blocks of r is for (123), and B adds 1, and mark forward lookup position is r;
(6), if forward lookup reference position is r,, from blocking the individual position of sequence (r+1), till block last position of sequence, finds and block signal (12).If do not found, mark forward lookup reference position s=r; If blocked, in sequence, the individual signal that blocks of s is for (12), and B adds 1, and mark forward lookup position is s;
(7), if forward lookup reference position is s,, from blocking the individual position of sequence (s+1), till block last position of sequence, finds and block signal (1).If do not found, finish forward lookup; If blocked, in sequence, the individual signal that blocks of t is for (1), and B adds 1, and finishes forward lookup.
(8) if block and occur multiple signals (1234) that block in sequence, each (1234) are blocked to its warehouse-in signal-count of calculated signals B, select maximum warehouse-in signal-count B as last warehouse-in signal-count B.
3. according to outbound signal-count F and warehouse-in signal-count B, carry out the direction that judgment object goes out to put in storage, determination methods is:
If F >=4 and F>B, report that to user object is in outbound;
If B >=4 and B>F, report that to user object is at warehouse-in;
If B >=4 and F >=4 and B=F cannot judgment object be outbound or warehouse-in to user's report;
If other signal is undesired signal to user's report.
5 infrared sensors to be installed as the second embodiment, be 40 centimetres in abutting connection with the distance between sensor, the distance between 5 sensors of first sensor to the is 160 centimetres.First sensor is in the inside of storehouse door, and the 5th (last) sensor is at storehouse door outermost.Be that distance between last infrared sensor and first infrared sensor will meet the space constraint of storehouse, warehouse door, but be no more than the length of target object.
Timing acquisition object blocks the signal that blocks of infrared sensor situation while going out to put in storage, form one and block sequence.Block sequence from having one or more infrared sensors are blocked, until all infrared sensors are not all blocked.
Because large-sized object is in the time going out to put in storage, translational speed maximum can reach 5 meter per seconds, and according to 40 centimetres of the distances in abutting connection with between infrared sensor, the time that can calculate object needs by 40 cm distance is 0.4/5=0.08 second=80 millisecond.Therefore, treating apparatus should, every for example, less than 80 milliseconds (, 50 milliseconds), be inquired about the situation that once whether each infrared sensor is blocked.Every inquiry once, can obtain one and block signal.
When treating apparatus inquire block signal designation and have infrared sensor to be blocked time, just start a storage of blocking sequence, every 50 milliseconds of inquiries once, if this inquire block signal and to block signal last time identical, this blocks signal and does not just store into and block in sequence.When treating apparatus inquire block signal designation and do not have infrared sensor to be blocked time, just finish one and block sequence, judged by following steps.
The second embodiment is take 5 infrared sensors in the situation of example, and a possible sequence of blocking is: (1), (2), (3), (4), (5), (12), (23), (34), (45), (123), (234), (345), (1234), (2345), (12345), (2345), (234), (345), (45), (5).First of normal outbound is blocked sequence and is: (1), (12), (123), (1234), (12345), (2345), (345), (45), (5).Sequence is blocked in second of normal storage: (5), (45), (345), (2345), (12345), (1234), (123), (12), (1).
1. analyze block whether sequence comprise that normal outbound operation forms block all or part of of sequence, calculate outbound signal-count F.Concrete determination methods is as follows:
(1) first judgement blocks in sequence, whether to have occurred blocking signal (12345), if do not occurred, and F=0, and exit the counting of outbound signal; If first sensor is in the inside of storehouse door, the 4th (last) sensor is at storehouse door outermost.In sequence, i blocks signal for (12345), F=1, and mark reverse search reference position is that i, forward lookup reference position are i;
(2), if reverse search reference position is i,, from blocking the individual position of sequence (i-1), till block first position of sequence, finds and block signal (1234).If do not found, mark reverse search reference position j=i; If blocked, in sequence, the individual signal that blocks of j is for (1234), and F adds 1, and mark reverse search position is j;
(3), if reverse search reference position is j,, from blocking the individual position of sequence (j-1), till block first position of sequence, finds and block signal (123).If do not found, mark reverse search reference position k=j; If blocked, in sequence, the individual signal that blocks of k is for (123), and F adds 1, and mark reverse search position is k;
(4), if reverse search reference position is k,, from blocking the individual position of sequence (k-1), till block first position of sequence, finds and block signal (12).If do not found, mark reverse search reference position m=k; If blocked, in sequence, the individual signal that blocks of m is for (12), and F adds 1, and mark reverse search position is m;
(5), if reverse search reference position is m,, from blocking the individual position of sequence (m-1), till block first position of sequence, finds and block signal (1).If do not found, finish reverse search; If blocked, in sequence, the individual signal that blocks of y is for (1), and F adds 1, and finishes reverse search;
(6), if forward lookup reference position is i,, from blocking the individual position of sequence (i+1), till block last position of sequence, finds and block signal (2345).If do not found, mark forward lookup reference position r=i; If blocked, in sequence, the individual signal that blocks of r is for (2345), and F adds 1, and mark forward lookup position is r;
(7), if forward lookup reference position is r,, from blocking the individual position of sequence (r+1), till block last position of sequence, finds and block signal (345).If do not found, mark forward lookup reference position s=r; If blocked, in sequence, the individual signal that blocks of s is for (345), and F adds 1, and mark forward lookup position is s;
(8), if forward lookup reference position is s,, from blocking the individual position of sequence (s+1), till block last position of sequence, finds and block signal (45).If do not found, mark forward lookup reference position t=s; If blocked, in sequence, the individual signal that blocks of t is for (45), and F adds 1, and mark forward lookup position is t;
(9) if forward lookup reference position is t, from blocking the individual position of sequence (t+1), till last position of sequence is found and blocked signal (5).If do not found, finish forward lookup; If blocked, in sequence, the individual signal that blocks of w is for (5), and F adds 1, and finishes forward lookup.
(10) if block in sequence and occur each signal (12345) that blocks being calculated to its outbound signal-count F by multiple signals (12345) that block, select maximum outbound signal-count F as last outbound signal-count F.
2. analyze block whether sequence comprise that normal storage operation forms block all or part of of sequence, calculate warehouse-in signal-count B.Concrete determination methods is as follows:
(1) first judgement blocks in sequence whether occurred blocking signal (12345), if do not occurred, and B=0, and exit the counting of putting signal in storage; Block signal for (12345) as i in infructescence is individual, B=1, mark reverse search reference position is that i, forward lookup reference position are i;
(2), if reverse search reference position is i,, from blocking the individual position of sequence (i-1), till block first position of sequence, finds and block signal (2345).If do not found, mark reverse search reference position j=i; If blocked, in sequence, the individual signal that blocks of j is for (2345), and B adds 1, and mark reverse search position is j;
(3), if reverse search reference position is j,, from blocking the individual position of sequence (j-1), till block first position of sequence, finds and block signal (345).If do not found, mark reverse search reference position k=j; If blocked, in sequence, the individual signal that blocks of k is for (345), and B adds 1, and mark reverse search position is k;
(4), if reverse search reference position is k,, from blocking the individual position of sequence (k-1), till block first position of sequence, finds and block signal (45).If do not found, mark reverse search reference position m=k; If blocked, in sequence, the individual signal that blocks of m is for (45), and B adds 1, and mark reverse search position is m;
(5), if reverse search reference position is m,, from blocking the individual position of sequence (m-1), till block first position of sequence, finds and block signal (5).If do not found, finish reverse search; If blocked, in sequence, the individual signal that blocks of y is for (5), and B adds 1, and finishes reverse search;
(6), if forward lookup reference position is i,, from blocking the individual position of sequence (i+1), till block last position of sequence, finds and block signal (1234).If do not found, mark forward lookup reference position r=i; If blocked, in sequence, the individual signal that blocks of r is for (1234), and B adds 1, and mark forward lookup position is r;
(7), if forward lookup reference position is r,, from blocking the individual position of sequence (r+1), till block last position of sequence, finds and block signal (123).If do not found, mark forward lookup reference position s=r; If blocked, in sequence, the individual signal that blocks of s is for (123), and B adds 1, and mark forward lookup position is s;
(8), if forward lookup reference position is s,, from blocking the individual position of sequence (s+1), till block last position of sequence, finds and block signal (12).If do not found, mark forward lookup reference position t=s; If blocked, in sequence, the individual signal that blocks of t is for (12), and B adds 1, and mark forward lookup position is t;
(9), if forward lookup reference position is t,, from blocking the individual position of sequence (t+1), till block last position of sequence, finds and block signal (1).If do not found, finish forward lookup; If blocked, in sequence, the individual signal that blocks of w is for (1), and B adds 1, and finishes forward lookup;
(10) if block and occur multiple signals (12345) that block in sequence, each signal (12345) that blocks is calculated to its warehouse-in signal-count B, select maximum warehouse-in signal-count B as last warehouse-in signal-count B.
3. according to outbound signal-count F and warehouse-in signal-count B, carry out the direction that judgment object goes out to put in storage, determination methods is:
If F >=5 and F>B, report that to user object is in outbound;
If B >=5 and B>F, report that to user object is at warehouse-in;
If B >=5 and F >=5 and B=F cannot judgment object be outbound or warehouse-in to user's report;
If other signal is undesired signal to user's report.For example that other objects that staff goes out to put in storage, length is less than object length go out the undesired signals such as warehouse-in.
Fig. 2 is the system schematic of utilizing infrared sensor judgment object to go out warehouse-in of the present invention.As shown in the figure, this system comprises:
Treating apparatus module 200, goes out the step of warehouse-in, and is connected with described infrared sensor for moving judgment object, obtain the signal that infrared sensor is blocked;
Treating apparatus module 200 comprises:
Obtain and block block 300, for obtaining the signal that blocks that blocks described infrared sensor when object goes out to put in storage, form one and block sequence, second when storing in advance first of the normal outbound of target object in this treating apparatus and blocking sequence and normal storage blocked sequence;
The first analysis module 400, comprises the first quantity of blocking signal of blocking sequence for blocking sequence described in analyzing, and calculates outbound signal-count F;
The second analysis module 500, comprises the second quantity of blocking signal of blocking sequence for blocking sequence described in analyzing, and calculates warehouse-in signal-count B;
Described infrared sensor is at least 4, between the infrared sensor of two adjacency, keep the distance of 30 centimetres to 50 centimetres, distance between last infrared sensor and first infrared sensor will meet the space constraint of storehouse, warehouse door, and is no more than the length of target object.First sensor is in the inside of storehouse door, and n (last) sensor is at storehouse door outermost.
Obtain and block block 300 and comprise:
Block signal acquisition module, according to target object go out warehouse-in speed and in abutting connection with the distance between infrared sensor, calculate it by the time needing in abutting connection with infrared sensor, every described time once, the inquiry situation that once each infrared sensor is blocked, every inquiry once, obtains one and blocks signal;
Query processing module, in the time blocking signal designation described in inquiring and have infrared sensor to be blocked, just start a storage of blocking sequence, if what this inquired block signal is with to block signal last time identical, this blocks signal and does not just store into and block in sequence, when treating apparatus inquire block signal designation and do not have infrared sensor to be blocked time, just finish one and block sequence.
The first analysis module 400 comprises:
The first pretreatment module, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described first blocks the signal that blocks that n infrared sensor in sequence be all blocked.If no, outbound signal-count F=0, and exit the counting of outbound signal; If had, outbound signal-count F=1, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
The first reverse search analysis module, reverse search is from the previous position of described reference position, till block first position of sequence, search whether occur described first block in sequence before (n-1) individual infrared sensor be all blocked block signal.If no, the reference position of reverse search is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish reverse search;
The first forward lookup analysis module, forward lookup position from described reference position starts, till block last position of sequence, search and whether occur that described first blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked.If no, the reference position of forward lookup is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish forward lookup;
The first result of calculation module, if there is repeatedly described first blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the outbound signal-count F that signal starts that blocks that n infrared sensor be all blocked, select maximum outbound signal-count F as last outbound signal-count F.
The second analysis module 500 comprises:
The second pretreatment module, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described second blocks the signal that blocks that n infrared sensor in sequence be all blocked.If no, put signal-count B=0 in storage, and exit the counting of warehouse-in signal; If had, put signal-count B=1 in storage, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
The second reverse search analysis module, reverse search is from the previous position of described reference position, till block first position of sequence, search and whether occur that described second blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked.If no, the reference position of reverse search is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish reverse search;
The second forward lookup analysis module, forward lookup position from described reference position starts, till block last position of sequence, search whether occur described second block in sequence before (n-1) individual infrared sensor be all blocked block signal.If no, the reference position of forward lookup is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish forward lookup;
The second result of calculation module, if there is repeatedly described second blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the warehouse-in signal-count B that signal starts that blocks that n infrared sensor be all blocked, select maximum warehouse-in signal-count B as last warehouse-in signal-count B.
Judge library module, as outbound signal-count F >=n and outbound signal-count F> warehouse-in signal-count B, object is in outbound;
Judge into library module, as warehouse-in signal-count B >=n and warehouse-in signal-count B> outbound signal-count F, object is at warehouse-in;
Judgement, without separating module, as warehouse-in signal-count B >=n and outbound signal-count F >=n and warehouse-in signal-count B=outbound signal-count F, cannot judgment object be outbound or warehouse-in;
Judging interference module, in the time being other signal, is undesired signal.For example that staff goes out to put in storage, other objects of non-target object go out the undesired signals such as warehouse-in.
The method that concrete judgment object goes out to put in storage with the method for utilizing infrared sensor judgment object to go out to put in storage roughly the same, embodiment will meet the space constraint of storehouse, warehouse door with the distance between last infrared sensor and first infrared sensor, but 4 infrared sensors, 5 infrared sensors that are no more than under the length of target object are example.
Certainly; the present invention also can have other various embodiments; in the situation that not deviating from spirit of the present invention and essence thereof; those of ordinary skill in the art can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection domain of the claims in the present invention.
Claims (10)
1. utilize infrared sensor judgment object to go out a method for warehouse-in, it is characterized in that, comprising:
Step 1, installs respectively n infrared transmitter and infrared remote receiver in Ku Men both sides, described infrared transmitter and infrared remote receiver are corresponding one by one, form n infrared sensor, first sensor storehouse door inside, n sensor is at storehouse door outermost;
Step 2, treating apparatus obtains the signal that blocks that blocks described infrared sensor situation when object goes out to put in storage, form one and block sequence, second when storing in advance first of the normal outbound of target object in this treating apparatus and blocking sequence and normal storage blocked sequence;
Step 3, blocks sequence described in described treating apparatus analysis and comprises first and block the quantity of blocking signal in sequence, calculates outbound signal-count F;
Step 4, blocks sequence described in described treating apparatus analysis and comprises second and block the quantity of blocking signal in sequence, calculates warehouse-in signal-count B;
Step 5, described treating apparatus, according to described outbound signal-count F and warehouse-in signal-count B, comes direction and undesired signal that judgment object goes out to put in storage.
2. the method for utilizing infrared sensor judgment object to go out warehouse-in as claimed in claim 1, is characterized in that, described step 2 comprises:
Step 21, described treating apparatus according to target object go out warehouse-in speed and in abutting connection with the distance between infrared sensor, calculate it by the time needing in abutting connection with infrared sensor, every described time once, the inquiry situation that once each infrared sensor is blocked, every inquiry once, obtains one and blocks signal;
Step 22, when treating apparatus inquire described in when blocking signal designation and having infrared sensor to be blocked, just start a storage of blocking sequence, if what this inquired block signal is with to block signal last time identical, this blocks signal and does not just store into and block in sequence, when treating apparatus inquire block signal designation and do not have infrared sensor to be blocked time, just finish one and block sequence.
3. the method for utilizing infrared sensor judgment object to go out warehouse-in as claimed in claim 1, is characterized in that, described step 4 comprises:
Step 31, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described first blocks the signal that blocks that n infrared sensor in sequence be all blocked, if do not had, outbound signal-count F=0, and exit the counting of outbound signal; If had, outbound signal-count F=1, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
Step 32, reverse search is from the previous position of described reference position, till block first position of sequence, search whether occur described first block in sequence before (n-1) individual infrared sensor be all blocked block signal, if no, the reference position of reverse search is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish reverse search;
Step 33, forward lookup position from described reference position starts, till block last position of sequence, search and whether occur that described first blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked, if no, the reference position of forward lookup is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish forward lookup;
Step 34, if there is repeatedly described first blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the outbound signal-count F that signal starts that blocks that n infrared sensor be all blocked, select maximum outbound signal-count F as last outbound signal-count F.
4. the method for utilizing infrared sensor judgment object to go out warehouse-in as claimed in claim 1, is characterized in that, described step 4 comprises:
Step 41, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described second blocks the signal that blocks that n infrared sensor in sequence be all blocked, if do not had, put signal-count B=0 in storage, and exit the counting of warehouse-in signal; If had, put signal-count B=1 in storage, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
Step 42, reverse search is from the previous position of described reference position, till first position, searches and whether occurs that described second blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked, if no, the reference position of reverse search is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish reverse search;
Step 43, forward lookup position from described reference position starts, till last position, search whether occur described second block in sequence before (n-1) individual infrared sensor be all blocked block signal, if no, the reference position of forward lookup is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish forward lookup;
Step 44, if there is repeatedly described second blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the warehouse-in signal-count B that signal starts that blocks that n infrared sensor be all blocked, select maximum warehouse-in signal-count B as last warehouse-in signal-count B.
5. the method for utilizing infrared sensor judgment object to go out warehouse-in as claimed in claim 1, is characterized in that, the determination methods of described step 5 is:
If outbound signal-count F >=n and outbound signal-count F> warehouse-in signal-count B, object is in outbound;
If warehouse-in signal-count B >=n and warehouse-in signal-count B> outbound signal-count F, object is at warehouse-in;
If warehouse-in signal-count B >=n and outbound signal-count F >=n and warehouse-in signal-count B=outbound signal-count F cannot judgment object be outbound or warehouse-in;
If other signal is undesired signal.
6. utilize infrared sensor judgment object to go out a system for warehouse-in, it is characterized in that, comprising:
Infrared sensor module, comprise n infrared transmitter and infrared remote receiver, described infrared transmitter and infrared remote receiver are corresponding one by one, form n infrared sensor, this infrared transmitter is used for launching infrared ray, infrared remote receiver is used for receiving described infrared ray, and receives described ultrared signal to treating apparatus report; First sensor is in the inside of storehouse door, and n (last) sensor is at storehouse door outermost;
Treating apparatus module, goes out the step of warehouse-in, and is connected with described infrared sensor for moving judgment object, obtain the signal that infrared sensor is blocked;
Described treating apparatus module comprises:
Obtain and block block, for obtaining the signal that blocks that blocks described infrared sensor when object goes out to put in storage, form one and block sequence, second when storing in advance first of the normal outbound of target object in this treating apparatus and blocking sequence and normal storage blocked sequence;
The first analysis module, comprises the first quantity of blocking sequence and blocking signal for blocking sequence described in analyzing, and calculates outbound signal-count F;
The second analysis module, comprises the second quantity of blocking sequence and blocking signal for blocking sequence described in analyzing, and calculates warehouse-in signal-count B;
Judge module, for according to described outbound signal-count F and warehouse-in signal-count B, comes direction and undesired signal that judgment object goes out to put in storage.
7. the system of utilizing infrared sensor judgment object to go out warehouse-in as claimed in claim 6, is characterized in that, described in obtain and block block and comprise:
Block signal acquisition module, according to target object go out warehouse-in speed and in abutting connection with the distance between infrared sensor, calculate it by the time needing in abutting connection with infrared sensor, every described time once, the inquiry situation that once each infrared sensor is blocked, every inquiry once, obtains one and blocks signal;
Query processing module, in the time blocking signal designation described in inquiring and have infrared sensor to be blocked, just start a storage of blocking sequence, if what this inquired block signal is with to block signal last time identical, this blocks signal and does not just store into and block in sequence, when treating apparatus inquiry block signal designation when not having infrared sensor to be blocked, just finish one and block sequence.
8. the system of utilizing infrared sensor judgment object to go out warehouse-in as claimed in claim 6, is characterized in that, described the first analysis module comprises:
The first pretreatment module, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described first blocks the signal that blocks that n infrared sensor in sequence be all blocked, if do not had, outbound signal-count F=0, and exit the counting of outbound signal; If had, outbound signal-count F=1, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
The first reverse search analysis module, reverse search is from the previous position of described reference position, till block first position of sequence, search whether occur described first block in sequence before (n-1) individual infrared sensor be all blocked block signal, if no, the reference position of reverse search is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish reverse search;
The first forward lookup analysis module, forward lookup position from described reference position starts, till block last position of sequence, search and whether occur that described first blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked, if no, the reference position of forward lookup is constant; If had, outbound signal-count F adds 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish forward lookup;
The first result of calculation module, if there is repeatedly described first blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the outbound signal-count F that signal starts that blocks that n infrared sensor be all blocked, select maximum outbound signal-count F as last outbound signal-count F.
9. the system of utilizing infrared sensor judgment object to go out warehouse-in as claimed in claim 6, is characterized in that, described the second analysis module comprises:
The second pretreatment module, when object by storehouse behind the door, judge whether blocking of this object has occurred in sequence that described second blocks the signal that blocks that n infrared sensor in sequence be all blocked, if do not had, put signal-count B=0 in storage, and exit the counting of warehouse-in signal; If had, put signal-count B=1 in storage, and this position of blocking signal of mark is the reference position of reverse search and forward lookup;
The second reverse search analysis module, reverse search is from the previous position of described reference position, till block first position of sequence, search and whether occur that described second blocks the signal that blocks that rear (n-1) individual infrared sensor in sequence is all blocked, if no, the reference position of reverse search is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is reverse search; Search successively with the method until judged blocking after signal of whether occurring that last infrared sensor is blocked, finish reverse search;
The second forward lookup analysis module, forward lookup position from described reference position starts, till block last position of sequence, search whether occur described second block in sequence before (n-1) individual infrared sensor be all blocked block signal, if no, the reference position of forward lookup is constant; If had, put signal-count B in storage and add 1, and this position of blocking signal of mark reference position that is forward lookup; Search successively with the method until judged blocking after signal of whether occurring that first infrared sensor is blocked, finish forward lookup;
The second result of calculation module, if there is repeatedly described second blocking the signal that blocks that n infrared sensor in sequence be all blocked, calculate successively each time the warehouse-in signal-count B that signal starts that blocks that n infrared sensor be all blocked, select maximum warehouse-in signal-count B as last warehouse-in signal-count B.
10. the system of utilizing infrared sensor judgment object to go out warehouse-in as claimed in claim 7, is characterized in that, described judge module comprises:
Judge library module, as outbound signal-count F >=n and outbound signal-count F> warehouse-in signal-count B, object is in outbound;
Judge into library module, as warehouse-in signal-count B >=n and warehouse-in signal-count B> outbound signal-count F, object is at warehouse-in;
Judgement, without separating module, as warehouse-in signal-count B >=n and outbound signal-count F >=n and warehouse-in signal-count B=outbound signal-count F, cannot judgment object be outbound or warehouse-in;
Judging interference module, in the time being other signal, is undesired signal.
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| CN109558922B (en) * | 2016-02-23 | 2021-06-18 | 福建闽高电力股份有限公司 | Electronic tag-based warehouse entry and exit identification method |
| CN109299767A (en) * | 2016-02-23 | 2019-02-01 | 福建闽高电力股份有限公司 | It is a kind of to go out storage recognition methods convenient for management |
| CN109376822A (en) * | 2016-02-23 | 2019-02-22 | 福建闽高电力股份有限公司 | It is a kind of to go out storage recognition methods with abnormity prompt |
| CN109558922A (en) * | 2016-02-23 | 2019-04-02 | 福建闽高电力股份有限公司 | It is a kind of that storage recognition methods is gone out based on electronic tag |
| CN109299767B (en) * | 2016-02-23 | 2021-05-04 | 福建闽高电力股份有限公司 | Warehouse-in and warehouse-out identification method convenient to manage |
| CN109376822B (en) * | 2016-02-23 | 2021-06-18 | 福建闽高电力股份有限公司 | Warehouse-in and warehouse-out identification method with abnormal reminding function |
| CN105931171A (en) * | 2016-06-12 | 2016-09-07 | 佛山市威格特电气设备有限公司 | Intelligent warehouse in/out identification system of asset management terminal |
| CN105931171B (en) * | 2016-06-12 | 2021-10-22 | 佛山市威格特电气设备有限公司 | Intelligent warehouse-in and warehouse-out identification system of asset management terminal |
| CN112926349A (en) * | 2019-12-06 | 2021-06-08 | 昆山华复精密金属有限公司 | Product code scanning short-installation prevention system and method thereof |
| CN112327685A (en) * | 2020-10-26 | 2021-02-05 | 广州彩熠灯光股份有限公司 | Warehouse entry and exit monitoring method and device, target equipment and storage medium |
| CN112327685B (en) * | 2020-10-26 | 2022-01-18 | 广州彩熠灯光股份有限公司 | Warehouse entry and exit monitoring method and device, target equipment and storage medium |
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| CN103793959B (en) | 2016-06-08 |
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