CN109781000A - A kind of large scale Spatial distributions measuring system and method based on non-wide dynamic fringe space encoding - Google Patents
A kind of large scale Spatial distributions measuring system and method based on non-wide dynamic fringe space encoding Download PDFInfo
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Abstract
A kind of large scale Spatial distributions measuring system and method based on non-wide dynamic fringe space encoding of the present invention, method encode and make to realize based on projector or space optical generator projected light information measuring large scale Spatial distributions by non-wide moving striation to space；Non- wide linear striped circulating rolling is carried out to measurement space by several projectors or space optical generator to project, ensure that photoelectric sensor receives the projection code of timing and can accurately be decoded, equivalent ray equation of the photoelectric sensor in each projector image coordinate system is obtained, the space coordinate of photoelectric sensor is calculated by least square.System is made of several projectors and its control system and photoelectric sensor with coordinate algorithm carrier, it is low in cost, working-flow is simply easily achieved, it can be realized the parallel measurement in measurement space, measuring system itself source without friction, measurement performance is stablized, and has certain dynamic property, can be competent at the measurement task of certain required precision.
Description
Technical field
The invention belongs to large scale space measurement fields, are related to a kind of realization of large-scale metrology technology, specially a kind of
Large scale Spatial distributions measuring system and method based on non-wide dynamic fringe space encoding.
Background technique
Large scale space measurement has a wide range of applications demand in the manufacture, assembly and detection process of Large-Scale Equipment, such as
The Butt Assembling of aircraft target ship, the Butt Assembling of rocket launcher section, the adjustment of satellite antenna, ship position components, Yi Ji great
The mapping etc. of type building requires to have the instrument of large-scale dimension measurement capability to support, such as theodolite, total station, laser
Tracker, indoor GPS, digital photogrammetry, measurement arm etc..
Existing mainstream industry large-scale metrology equipment, application implementation and in terms of all there is certain excellent lack
Point: theodolite is chiefly used in large scene mapping, but is measured as single-point type, and measurement efficiency is lower；Total station is expensive, measurement
Space is big, and relative accuracy is high, but also measures for single-point type, needs to cooperate prism；Laser transit measurement accuracy is high, measurement
It is high-efficient, but it is expensive, it is sensitive to use environment；Indoor GPS measurement accuracy can support parallel measurement in submillimeter, but
Be price costly；Digital photogrammetry is also widely used, but need to lay reflecting sign etc., specific implementation needs
It to be designed for measurement task.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of based on the big of non-wide dynamic fringe space encoding
Dimensional space dynamic measurement system and method, low in cost, easy to implement, the operation is stable, measurement accuracy ability are moderate, Neng Gouman
Measurement task in sufficient some scale space.
The present invention is to be achieved through the following technical solutions:
A kind of large-scale metrology method based on non-wide dynamic fringe space encoding, includes the following steps,
Step 1, in measurement space, more projectors or space optical generator are performed simultaneously following projection operation；
Step 1.1, by a kind of coding mould for moving non-wide striped of each projector or spatial light Generator Design
Formula: selecting two not parallel aspects of each projector or space optical generator projection image plane is principal direction, equal along principal direction
The even uniform different in width of arrangement and parallel black and white strip, it is desirable that the spacing of each projector or space optical generator striped is solid
It is fixed and not identical；
Step 1.2, projector or space optical generator are every along principal direction by respective striped according to fixed refreshing frequency
Refresh and successively move a pixel unit, while ensuring that fringe circulation occurs；
Step 2, as the black and white space optical signal in the photoelectric sensor acquisition step 1 of photelectric receiver and its hair is recorded
Raw timing, photoelectric sensor parse it in each projector or space based on the coding rule of projector or space optical generator
Triggered time in optical generator；The move of stripe that corresponding projector or space optical generator occur is determined according to each triggered time
Phase；
Step 3, each move of stripe phase is resolved according to following steps to obtain each photoelectric sensor space coordinate, it is complete
The measurement of pairs of object to be measured object；
Step 3.1, corresponding photoelectric sensor is obtained according to move of stripe phase to put down in projector or space optical generator picture
Equivalent ray equation in areal coordinate system；
Step 3.2, the ray equation based on each projector coordinates system of forward intersection principle simultaneous constitutes space line and hands over
Remittance equation group, the space coordinate of photoelectric sensor is calculated eventually by least square；
Step 3.3, return step 3.1 execute step 3.1 to 3.2 for each photoelectric sensor, to complete to be measured
The measurement to target object to be measured is realized in the measurement of target object calibration point after whole calibration points complete measurement.
Preferably, specific step is as follows for step 1.2,
Step 1.21, every projector or space optical generator under the control system, according to fixed refreshing frequency
It is projected out the image of following rule encoding: having a series of black and white strips along X, Y-direction to each projector or space optical generator
Width gradual change, while the centre distance of striped is equal, the fringe center distance of different projectors or space optical generator is different；If
Fixed unified refreshing frequency, for every frame image according to above-mentioned coding rule, X-direction striped deviates a pixel unit along the x axis,
Y-direction striped deviates a pixel unit along the y axis；
Step 1.22, when each projector or the widest projected fringe of space optical generator re-move it is initial to the leftmost side
When position, i.e. projection code are circulated back to original state after one, current projector or space optical generator make following projection
Operation: completely black coding duration T is projectedi, then project complete white coding duration Ti, project completely black coding duration Ti,
Then complete white coding duration T is projectediThe signal of initial position is returned to as the projector；
Step 1.23, it repeats step 1.21 and 1.22 and realizes that fringe circulation occurs.
Further, specific step is as follows for step 2,
Step 2.1, the photoelectric sensor in projector or space optical generator projector space is by the artwork master of projection
Case is converted to the pulse signal of low and high level, is acquired and stores to it, and records the clock signal of generation；
Step 2.2, photoelectric sensor identifies collected height pulse sequence signal: when detecting two TiIt is wide
When the height pulse of degree, it is believed that the moment is i-th initial baseline, i.e. this projector or space optical generator after one
Cycle period returns to initial position；
Step 2.3, the identification of the non-wide striped of unequal interval is carried out: according to each projector or space optical generator striped
Center away from projector or space optical generator corresponding to each pulse in height pulse train is determined, then to same projection
The pulse of instrument or space optical generator determines that its corresponding striped encodes according to the width of projector or space optical generator striped,
Obtain the 2n stripeds with width number and corresponding time interval；
Step 2.4, the 2n time interval exported, then return step 2.1.
Further, which is characterized in that in step 2.3, obtain the 2n stripeds with width number and corresponding time
What is be spaced is specific as follows:
Obtain i-th projector in X direction striped number and its with respect to initial baseline time interval tix, i-th
Time interval t of the projector along the striped number of Y-direction and its opposite initial baselineiy, it is obtained 2n and is numbered with width
Striped and corresponding time interval.
Further, specific step is as follows for step 3.1,
Step 3.11, receive the 2n stripeds with width number and corresponding time that each photoelectric sensor is sent
Interval；
Step 3.12, the rejecting that 2n data of each photoelectric sensor are carried out with error code, only retains correct coding；
Step 3.13, the pixel wide and refreshing frequency according to projector or space optical generator, calculates each photoelectricity
The corresponding discrete pixels coordinate of 2n data of sensor；
Step 3.14, pixel coordinate is converted to the ray equation in projector coordinates system.
Further, in step 3.14, photoelectric sensor end obtains it in i-th projector by signal acquisition and decoding
Or space optical generator is as the coordinate (X of planei,Yi), it can thus be concluded that the ray in the projector or space optical generator coordinate system
Equation:
Wherein f is focal length.
Further, step 3.2, for photoelectric sensor, it is located at this n platform projector or space optical generator is corresponding
All ray equations are converted square with respect to the pose of global coordinate system by projector or space optical generator by the point of intersection of ray
After battle array (Ri, Ti) transformation, following equation group can be obtained:
The space coordinate of photoelectric sensor is solved by least square, the space for thus obtaining all photoelectric sensors is sat
After mark, the measurement of spatial pose is realized.
A kind of large-scale metrology system based on non-wide dynamic fringe space encoding, including,
2 projectors are no less than on measurement scene periphery or in which fastening installation；Each projector or space optical generator
Virtual image space can cover object to be measured object；The space that more projectors or space optical generator cover simultaneously is to have
Effect measurement space；
Photoelectric sensor on object to be measured object is set；For being marked to the space coordinate on target object to be measured
It is fixed；
The system operation control of non-wide linear fringe projection is completed for controlling all projectors or space optical generator
System；The system operation control system is used to execute the control of step 1 described in above-mentioned any one method；
The coordinate computation algorithm carrier of its coordinate calculating is carried out for receiving photo-sensor signal；The coordinate calculates
Algorithm carrier is used to execute the calculating of step 3 described in above-mentioned any one method.
Further, the photoelectric sensor includes the sequentially connected photoelectric sensing component that can experience light and shade, arteries and veins
Signal acquiring system is rushed, the decoder and wire/wireless communication system of non-wide stripe signal recognizer are run；Photoelectric sensing
Component is used for and seat due to receiving striped and corresponding time interval with width number, wire/wireless communication system
Mark calculates carrier interaction.
Further, coordinate calculates carrier and uses server or Handheld computing device.
Compared with prior art, the invention has the following beneficial technical effects:
The method of the invention encode to space and be sent out based on projector or spatial light by non-wide moving striation
Raw enabled realize of device projection optical information measures large scale Spatial distributions；By several projectors (space optical generator) to measurement
Space carries out non-wide linear striped circulating rolling projection, it is ensured that photoelectric sensor receives the projection code of timing and can be accurate
It is decoded, thus obtains equivalent ray equation of the photoelectric sensor in each projector image coordinate system, and then before being based on
The ray equation of the square each projector coordinates system of intersection principle simultaneous constitutes space line and crosses equation group, eventually by minimum two
Multiply the space coordinate for calculating photoelectric sensor.
System of the present invention is only by several projectors and its control system and photoelectric sensor and coordinate algorithm carrier
Composition, low in cost, working-flow is simply easily achieved, and can be realized the parallel measurement in measurement space, measurement system
It unites itself source without friction etc., measurement performance is stablized, and has certain dynamic property, the survey that can be competent under certain required precision
Amount task.
Detailed description of the invention
Fig. 1 is the architecture diagram of system described in present example.
Fig. 2 is the working principle diagram of system described in present example.
Fig. 3 is the non-wide dynamic fringe example described in present example along X and Y-direction.
Specific embodiment
Below with reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
A kind of large-scale metrology system and method based on non-wide dynamic fringe space encoding of the present invention, by each
Projector (space optical generator) designs a kind of coding mode for moving non-wide striped: selecting each projector (spatial light hair
Raw device) two not parallel aspects of projection image's plane are principal direction, uniform different in width and parallel is uniformly arranged along principal direction
Black and white strip, it is desirable that the spacing of each projector (space optical generator) striped is fixed and not identical；Projector (spatial light hair
Raw device) according to fixed refreshing frequency, respective striped is successively moved into a pixel unit along the every refreshing of principal direction, while really
Fringe circulation is protected to occur.In measurement space, more projectors (space optical generator) are performed simultaneously the projection operation.
Photoelectric sensor as photelectric receiver acquires these black and white space optical signals and records its generation timing sequence, is based on projector
The coding rule of (space optical generator) parses its triggered time in each projector (space optical generator), thus really
Surely the move of stripe phase for corresponding to projector (space optical generator) generation, it can thus be appreciated that photoelectric sensor is in projector (space
Optical generator) equivalent ray equation in photo coordinate system, it is then based on each projector coordinates of forward intersection principle simultaneous
The ray equation of system constitutes space line and crosses equation group, sits eventually by the space that least square calculates photoelectric sensor
Mark.
Specifically, a kind of large scale Spatial distributions based on the non-wide dynamic fringe space encoding in space of the present invention measure system
The realization framework and measuring principle of system and method, see figure 1 and figure 2 respectively, and the configuration of system and operational process and measurement are former
Reason is realized
1 system configuration:
As shown in Figure 1, entire measuring system is transported by several projectors (space optical generator), photoelectric sensor, system
Row control system and 4 part of coordinate computation algorithm carrier are constituted.
A) projector: measurement scene periphery or in which, fastening installation be no less than 2 projectors, guarantee each projector
Virtual image space can cover object to be measured object.The space that more projectors cover simultaneously is effectively to measure space, this
It is determined by forward intersection measuring principle.
B) photoelectric sensor: photoelectric sensor includes (photoelectricity) sensing components that (i) can experience light and shade, (ii) pulse
Signal acquiring system, (iii) run the decoder of non-wide stripe signal recognizer, and (iv) wire/wireless communication system.
Photoelectric sensor end is made of hardware circuit appropriate with embedded system.
C) system operation control system: system operation control system controls the throwing of the non-wide linear striped of all projectors
Shadow work specifically includes (i) each projector respectively along the specific non-wide striped coding of X and Y-direction, and (ii) all projectors are non-
The rolling of wide bar code projects control, and the lock-out pulse of (iii) all projectors projects control.
D) coordinate computation algorithm carrier: coordinate is calculated and is realized on terminal server or Handheld computing device, including (i)
The receiving module of photo-sensor signal, and the photoelectric sensor coordinate least-squares calculation module of (ii) based on forward intersection.
2 system operational processes:
After the unlatching of the projector of measuring system, control system, photoelectric sensor and coordinate computation algorithm carrier, system is complete
At initialization.The work of whole system is relatively independent by projector and its control system and photoelectric sensor and coordinate calculating two
Part operate simultaneously.
2.1 projectors and its control system circulation execute following process:
Projector, control system, photoelectric sensor and the computing terminal of step 1. system are switched on, then initialization starts
Following cycle operation process:
Every projector of step 2. is projected out following rule encoding under the control system, according to fixed refreshing frequency
Image: have a series of black and white strip width gradual changes along X, Y-direction to each projector, while the centre distance of striped is equal,
The fringe center distance of different projectors is different.With the unified refreshing frequency of setting, every frame image according to above-mentioned coding rule,
X-direction striped deviates a pixel unit along the x axis, and Y-direction striped deviates a pixel unit along the y axis；
Step 3. is re-moved when the widest projected fringe of each projector to leftmost side initial position, i.e. projection code is gone through
When being circulated back to original state through one, current projector makees following projection operation: projecting completely black coding duration Ti, then
Project complete white coding duration Ti, project completely black coding duration Ti, then project complete white coding duration TiAs this
Projector returns to the signal of initial position；
Step 4. repeats step 2 and 3.
2.2 photoelectric sensors circulation executes following process:
Step 1. is located at the photoelectric sensor in projector space and the black and white pattern of projection is converted to low and high level,
It is acquired and is stored；
Step 2. photoelectric sensor identifies collected height pulse sequence signal: when detecting two TiWidth
Height pulse when, it is believed that the moment is i-th initial baseline, i.e., this projector returns to initially after a cycle period
Position；
Step 3. carries out the identification of the non-wide striped of unequal interval: it is high away from determining according to the center of each projector striped
Projector corresponding to each pulse in low pulse train, then to the pulse of same projector according to the width of projector striped
Determine its corresponding striped coding.It is hereby achieved that the striped of i-th projector in X direction is numbered and its relatively first primordium
Quasi- time interval tix, time interval t of i-th projector along the striped number of Y-direction and its opposite initial baselineiy, obtain
To the 2n stripeds with width number and corresponding time interval；
Step 4. sends this 2n time interval to the computing module of server, then return step 1；
2.3 computing modules circulation performs the following operations:
Step 1. receives 2n that each photoelectric sensor is sent and has the striped of width number and between the corresponding time
Every；
Step 2. carries out the rejecting of error code to 2n data of each photoelectric sensor, only retains correct coding；
It is corresponding to calculate 2n data of each photoelectric sensor for pixel wide and refreshing frequency of the step 3. according to projector
Discrete pixels coordinate；
Pixel coordinate is converted to the ray equation in projector coordinates system by step 4.；
Step 5. is by the ray equation simultaneous of the corresponding projection device of valid data, by least square solve system of equation,
Obtain the space coordinate of the photoelectric sensor.
Step 6. return step 1 so recycles each photoelectric sensor.
3 systematic survey principles:
For the working principle for showing this measuring system being more clear, to the measurement model of the system and service performance with answer
It is described with limitation etc..
(1) each projector can regard a camera as here, that is, have image space coordinate system O-XYZ, and all projector pictures are empty
Between coordinate system measurement space coordinates, i.e., the position auto―control of global coordinate system be R, T.
(2) the item number of the non-wide linear striped of each projector, width and striped are designed according to the resolution ratio of projector
Interval, the more high then fringe number of general resolution ratio are more.
(3) projector is simultaneously projected the non-wide striped set by loop cycle, it is ensured that photoelectric sensor can be steady
The time interval of fixed acquisition and the width and its relative initial position that determine striped.
(4) each projector carries out the coding of non-wide striped, a certain moment, along two sides with Y-direction in X direction respectively
To striped meet at a bit, that is, uniquely determine the pixel of projection, it is ensured that the uniqueness of photoelectric sensor coordinate.
(5) photoelectric sensor end obtains its coordinate (X in i-th projector as plane by signal acquisition and decodingi,
Yi), it can thus be concluded that the ray equation in the projector coordinates system:
Wherein f is focal length.For photoelectric sensor, it is located at the point of intersection that this n platform projector corresponds to ray, by institute
After having ray equation to convert by projector with respect to the module and carriage transformation matrix (Ri, Ti) of global coordinate system, following equation group can be obtained:
In this way, the space coordinate of photoelectric sensor can be solved by least square, it is achieved in the survey of spatial pose
Amount.
A kind of large scale spatial measurement system based on non-wide dynamic fringe space encoding of the present invention, is projected by several
Instrument (space optical generator) carries out non-wide dynamic fringe to measurement space and projects, and photoelectric sensor receives projection code and decodes,
Thus photoelectric sensor is obtained in the equivalent ray of each projector (space optical generator) coordinate system, and then is based on forward intersection
Principle completes photoelectric sensor calculating coordinate.Only need to measurement space layout number platform projector (space optical generator) and to its into
Row simple coding projection control receives identification projection signal using photoelectric sensor and is based on the front principle that crosses and realizes that space is sat
Target measurement.The measuring system working principle is simple, and algorithm executes stabilization, and has dynamic measurement performance；System hardware framework
Simply, control system is simple, at low cost；Due to itself not being related to movement mechanism, error source is less, is easy to remain more stable
Measurement accuracy；The perception of manufacture and intelligence manufacture scene for Large-Scale Equipment is of great significance with information collection.
Claims (10)
1. a kind of large-scale metrology method based on non-wide dynamic fringe space encoding, which is characterized in that include the following steps,
Step 1, in measurement space, more projectors or space optical generator are performed simultaneously following projection operation；
Step 1.1, by a kind of coding mode for moving non-wide striped of each projector or spatial light Generator Design: choosing
Two not parallel aspects for selecting each projector or space optical generator projection image plane are principal direction, along the uniform cloth of principal direction
Set uniform different in width and parallel black and white strip, it is desirable that the spacing of each projector or space optical generator striped is fixed and not
It is identical；
Step 1.2, projector or space optical generator are according to fixed refreshing frequency, by respective striped along the every refreshing of principal direction
A pixel unit is successively moved, while ensuring that fringe circulation occurs；
Step 2, as the black and white space optical signal in the photoelectric sensor acquisition step 1 of photelectric receiver and when recording its generation
Sequence, photoelectric sensor parse it based on the coding rule of projector or space optical generator and send out in each projector or spatial light
Triggered time in raw device；The move of stripe phase that corresponding projector or space optical generator occur is determined according to each triggered time
Position；
Step 3, each move of stripe phase is resolved according to following steps to obtain each photoelectric sensor space coordinate, completion pair
The measurement of object to be measured object；
Step 3.1, corresponding photoelectric sensor is obtained in projector or space optical generator as plane is sat according to move of stripe phase
Equivalent ray equation in mark system；
Step 3.2, the ray equation based on each projector coordinates system of forward intersection principle simultaneous constitutes the space line side of crossing
Journey group calculates the space coordinate of photoelectric sensor eventually by least square；
Step 3.3, return step 3.1 execute step 3.1 to 3.2 for each photoelectric sensor, to complete to object to be measured
The measurement to target object to be measured is realized in the measurement of object calibration point after whole calibration points complete measurement.
2. a kind of large-scale metrology method based on non-wide dynamic fringe space encoding according to claim 1, special
Sign is that specific step is as follows for step 1.2,
Step 1.21, every projector or space optical generator under the control system, are projected according to fixed refreshing frequency
The image of following rule encoding out: there are a series of black and white strip width along X, Y-direction to each projector or space optical generator
Gradual change, while the centre distance of striped is equal, the fringe center distance of different projectors or space optical generator is different；Setting
Unified refreshing frequency, for every frame image according to above-mentioned coding rule, X-direction striped deviates a pixel unit, the side Y along the x axis
Deviate a pixel unit along the y axis to striped；
Step 1.22, when each projector or the widest projected fringe of space optical generator are re-moved to leftmost side initial bit
It sets, i.e., when projection code is circulated back to original state after one, current projector or space optical generator make following projection behaviour
Make: projecting completely black coding duration Ti, then project complete white coding duration Ti, project completely black coding duration Ti, so
Complete white coding duration T is projected afterwardsiThe signal of initial position is returned to as the projector；
Step 1.23, it repeats step 1.21 and 1.22 and realizes that fringe circulation occurs.
3. a kind of large-scale metrology method based on non-wide dynamic fringe space encoding according to claim 2, special
Sign is that specific step is as follows for step 2,
Step 2.1, the photoelectric sensor in projector or space optical generator projector space turns the black and white pattern of projection
It is changed to the pulse signal of low and high level, it is acquired and is stored, and records the clock signal of generation；
Step 2.2, photoelectric sensor identifies collected height pulse sequence signal: when detecting two TiWidth
When height pulse, it is believed that the moment is that i-th initial baseline, i.e. this projector or space optical generator are recycled after one
Period returns to initial position；
Step 2.3, the identification of the non-wide striped of unequal interval is carried out: according in each projector or space optical generator striped
The heart away from projector or space optical generator corresponding to each pulse in height pulse train is determined, then to same projector or
The pulse of space optical generator determines that its corresponding striped encodes according to the width of projector or space optical generator striped, obtains
The 2n stripeds with width number and corresponding time interval；
Step 2.4, the 2n time interval exported, then return step 2.1.
4. a kind of large-scale metrology method based on non-wide dynamic fringe space encoding according to claim 3, special
Sign is, in step 2.3, obtains the specific as follows of 2n stripeds and corresponding time interval with width number:
Obtain i-th projector in X direction striped number and its with respect to initial baseline time interval tix, i-th projection
Time interval t of the instrument along the striped number of Y-direction and its opposite initial baselineiy, the 2n items with width number are obtained
Line and corresponding time interval.
5. a kind of large-scale metrology method based on non-wide dynamic fringe space encoding according to claim 3, special
Sign is that specific step is as follows for step 3.1,
Step 3.11, receive 2n that each photoelectric sensor is sent and have the striped of width number and between the corresponding time
Every；
Step 3.12, the rejecting that 2n data of each photoelectric sensor are carried out with error code, only retains correct coding；
Step 3.13, the pixel wide and refreshing frequency according to projector or space optical generator, calculates each photoelectric sensing
The corresponding discrete pixels coordinate of 2n data of device；
Step 3.14, pixel coordinate is converted to the ray equation in projector coordinates system.
6. a kind of large-scale metrology method based on non-wide dynamic fringe space encoding according to claim 5, special
Sign is, in step 3.14, photoelectric sensor end obtains it in i-th projector or spatial light by signal acquisition and decoding
Coordinate (X of the generator as planei,Yi), it can thus be concluded that the ray equation in the projector or space optical generator coordinate system:
Wherein f is focal length.
7. a kind of large-scale metrology method based on non-wide dynamic fringe space encoding according to claim 6, special
Sign is, step 3.2, for photoelectric sensor, is located at this n platform projector or space optical generator corresponds to the friendship of ray
Point place, by all ray equations by projector or space optical generator global coordinate system relatively module and carriage transformation matrix (Ri,
Ti after) converting, following equation group can be obtained:
The space coordinate of photoelectric sensor is solved by least square, thus obtains the space coordinate of all photoelectric sensors
Afterwards, the measurement of spatial pose is realized.
8. a kind of large-scale metrology system based on non-wide dynamic fringe space encoding, which is characterized in that including,
2 projectors are no less than on measurement scene periphery or in which fastening installation；The view of each projector or space optical generator
Scape space can cover object to be measured object；The space that more projectors or space optical generator cover simultaneously is effectively to survey
Quantity space；
Photoelectric sensor on object to be measured object is set；For being demarcated to the space coordinate on target object to be measured；
The system operation control system of non-wide linear fringe projection is completed for controlling all projectors or space optical generator；
The system operation control system requires the control of step 1 described in any one of 1-7 method for perform claim；
The coordinate computation algorithm carrier of its coordinate calculating is carried out for receiving photo-sensor signal；The coordinate computation algorithm
Carrier requires the calculating of step 3 described in any one of 1-7 method for perform claim.
9. a kind of large-scale metrology system based on non-wide dynamic fringe space encoding according to claim 8, special
Sign is that the photoelectric sensor includes the sequentially connected photoelectric sensing component that can experience light and shade, and pulse signal is adopted
Collecting system runs the decoder and wire/wireless communication system of non-wide stripe signal recognizer；Photoelectric sensing component by
In receiving striped and corresponding time interval with width number, wire/wireless communication system is used to calculate with coordinate and carry
Body interaction.
10. a kind of large-scale metrology system based on non-wide dynamic fringe space encoding according to claim 8, special
Sign is that coordinate calculates carrier and uses server or Handheld computing device.
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