CN102013082B - The skill determination method of sewing of Sewing machines and device thereof - Google Patents
The skill determination method of sewing of Sewing machines and device thereof Download PDFInfo
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Abstract
The invention provides the skill determination method of sewing in a kind of Sewing machines and make technical ability decision maker, it can suitable manipulate measurement data, and the technical ability of carrying out operating personnel objectively judges.Make in operation for one of the Sewing machines carried out operating personnel, based on the sewing speed data recorded the sewing speed changed chronologically, decision personnel make technical ability.For the chronomere of each equalization, quantize to making speed data according to the height of sewing speed, and the numerical value of each chronomere is added up to, represent level of skill based on aggregate value.
Description
Technical field
The present invention relates to a kind of skill determination method of sewing and device thereof of Sewing machines.
Background technology
In order to the production utilizing Sewing machines to carry out sewing object efficiently, develop the operation analysis apparatus of Sewing machines.Existing operation analysis apparatus, such as shown in the record of patent document 1, the sewing speed (sewing machine electromotor rotating speed) from making to terminating is measured with the sampling interval of regulation, result after sorting according to the timing variations of velocity amplitude order to sewing speed is shown in the mode of curve map, by this curve map and the sample graphs corresponding to proficiency are carried out visual comparison, thus the technical ability of operating personnel is evaluated.
Patent document 1: Japanese Unexamined Patent Publication 2009-160391 publication
Summary of the invention
But, when above-mentioned existing operating personnel's technical ability evaluation method, the curve map obtained based on measurement data and sample graphs are observed by human eye owing to adopting, determine the method for the sample graphs be similar to, lack objectivity so exist, make because of the difference of appraiser this evaluation produce the problem of fluctuation.
The object of the invention is to, measurement data is suitably processed, thus the technical ability evaluation of operating personnel can be carried out objectively.
The invention that technical scheme 1 is recorded is a kind of skill determination method of sewing of Sewing machines, it is based on sewing speed data, decision personnel make technical ability, these sewing speed data record the pedal operation by described operating personnel, make in operation for one at Sewing machines, the sewing speed changed chronologically, it is characterized in that, comprise the following steps: every the chronomere of equalization, with the height of sewing speed accordingly, described sewing speed data are quantized; The described numerical value of each described chronomere is added up to; And based on described aggregate value, display level of skill.
The feature of invention that technical scheme 2 is recorded is, described in the step of carrying out quantizing performed by following step, that is: described sewing speed data are rearranged according to speed order; By the sewing speed data after described rearranging, be divided into the interval of impartial chronomere; Calculate the average speed in each interval; Difference between the reference speed calculating the described average speed in each interval and the regulation in each interval; And the difference in described each interval is converted to mark, described in carry out the step that adds up to, perform by calculating the step of the aggregate value of the mark in each interval.
The feature of invention that technical scheme 3 is recorded is, described in the step of carrying out quantizing performed by following step, that is: described sewing speed data are rearranged according to speed order; The curve map of the sewing speed data after rearranging described in generation; And for the chronomere of each equalization, the area difference between the datum curve figure of computational rules and the curve map of described generation, described in carry out the step that adds up to, perform by calculating the step of the aggregate value of the area difference of each described chronomere.
The feature of invention that technical scheme 4 is recorded is, described in the step of carrying out quantizing performed by following step, that is: described sewing speed data are rearranged according to speed order; And for each described chronomere, the sewing speed data after rearranging described in calculating and the difference between the reference speed of regulation, described in carry out the step that adds up to, perform by calculating the step of the aggregate value of the difference of each described chronomere.
The feature of invention that technical scheme 5 is recorded is, described in the step of carrying out quantizing performed by following step, that is: be that impartial chronomere is interval by described sewing speed Data Placement; Calculate the average speed in each interval; And the average speed in described each interval is converted to mark, described in carry out the step that adds up to, perform by calculating the step of the aggregate value of the described mark in each interval.
Technical scheme 6 record invention be a kind of Sewing machines make technical ability decision maker, it is based on sewing speed data, decision personnel make technical ability, these sewing speed data record the pedal operation by described operating personnel, make in operation for one at Sewing machines, the sewing speed changed chronologically, it is characterized in that, there is identifying unit, it is every the chronomere of equalization, with the height of sewing speed accordingly, described sewing speed data are quantized, and the numerical value of each described chronomere is added up to, based on described aggregate value, display part shows level of skill.
The feature of invention that technical scheme 7 is recorded is, described in make technical ability decision maker there is data conversion unit, described sewing speed rearranges according to speed order by it, obtains conversion sewing speed data.
The feature of the invention that technical scheme 8 is recorded is, described identifying unit, described conversion sewing speed data are divided into multiple interval on a timeline, for the mean value of this each interval computation sewing speed, obtain the difference between predetermined reference speed in this each mean value and described each interval, the described difference in described each interval is converted to mark, based on the aggregate value of this mark, display level of skill.
The feature of the invention that technical scheme 9 is recorded is, described technical ability decision maker of making has memory cell, itself and level of skill are accordingly, store multiple sample data, this sample data makes operation for described one, the sewing speed of each unit interval is arranged according to speed order, described identifying unit, described conversion sewing speed data and described each sample data are compared, judge the sample data closest with described conversion sewing speed data, based on this result of determination, judge level of skill.
The feature of the invention that technical scheme 10 is recorded is, described identifying unit, described sewing speed data are divided into multiple interval on a timeline, for the mean value of this each interval computation sewing speed, this each mean value is converted to mark, based on the aggregate value of the mark in described each interval, display level of skill.
The effect of invention
According to the present invention, due to according to actual measurement, obtain the change of sewing speed chronologically, as sewing speed data, calculate the evaluation of estimate corresponding with the height of each sewing speed, the judgement of technical ability can be carried out based on numerical value, so bias can not be produced because of evaluation personnel, technical ability can be judged objectively.
In addition, for sewing speed, such as, can enumerate and become the motor of the drive source made and the rotary speed of main shaft.
The change of the sewing speed changed chronologically, data that the value becoming sewing speed repeatedly increases and decreases and arranges, but owing to rearranging according to speed order, so generate each sewing speed with the data of descending or ascending order arrangement.Therefore, easily calculate the working time in certain velocity interval, easily grasp making of operating personnel and which kind of sewing speed to carry out work with, more suitably can carry out technical ability judgement.
In addition, by new additional function conversion sewing speed data after rearranging shown with curve map, thus, the technical ability of operating personnel is visually also easily grasped.
For the conversion sewing speed data rearranged with the sequence of speed by each sewing speed, be divided into multiple interval.Now, each interval is also divided with the sequence of sewing speed, with this order accordingly, such as, in the interval that sewing speed is high, set high reference speed, in low interval, set low reference speed.Thus, the reference speed in each interval can easily and suitably be set.In addition, by the mean value in each interval and reference speed being compared, and the aggregate value of difference according to each interval, the sewing speed judging whether the reference speed met required by each interval is made, thus can carry out suitable technical ability and judge.
In addition, the setup unit of the reference speed in each interval of setting arbitrarily also can be set.
For the conversion sewing speed data that each sewing speed is carried out with the sequence of speed rearranging, compare in the sample data with each level, by judge approximate and carry out the judgement of respective horizontal when, can relative to the technical ability of each level suitably decision personnel.
Carrying out score according to being recorded in the average value in interval of each sewing speed in sewing speed data, and when carrying out evaluating according to its total, objective technical ability judgement can carried out with less operation quantity.
Accompanying drawing explanation
Fig. 1 is the integrally-built front view representing Sewing machines.
Fig. 2 is the integrally-built block diagram representing Sewing machines.
Fig. 3 is the chart of the content representing sewing speed data.
Fig. 4 makes transverse axis be elapsed time from making, makes the longitudinal axis be the actual measured value curve map that sewing speed represents sewing speed data.
Fig. 5 is the chart of the content representing conversion sewing speed data.
Fig. 6 makes transverse axis be the time, makes the longitudinal axis be sewing speed and based on the contrast curve map H of conversion sewing speed data of the order arrangement sewing speed after sequence.
Fig. 7 is by the key diagram of the contrast curve map quartering.
Fig. 8 is the chart of the table representing the relation that speed difference and mark are shown.
Fig. 9 represents that technical ability evaluates the flow chart of determination processing.
Figure 10 (A) ~ (F) is the line chart representing the horizontal line graph corresponding with the level of skill divided by hierarchy level.
Figure 11 is the key diagram of the calculating of the departure that contrast curve map and datum curve figure are overlapped and demonstrated.
Figure 12 represents to utilize conversion sewing speed data and reference data, to the key diagram of the example that the absolute value of the difference of the sewing speed under same time calculates respectively.
Figure 13 represents that technical ability evaluates the flow chart of determination processing.
Figure 14 is key diagram actual measured value curve map being carried out decile with multiple interval (time).
Figure 15 is the chart of the table representing the relation that average speed and mark are shown.
Figure 16 represents that technical ability evaluates the flow chart of determination processing.
Detailed description of the invention
(the first embodiment)
Below, with reference to accompanying drawing, the embodiment making technical ability decision maker of Sewing machines involved in the present invention is described in detail.
As shown in Figure 1, make technical ability decision maker 1 (Sewing machines), form primarily of following part, that is: sewing machine table T; Sewing machine main body 10, it is positioned on sewing machine table T, arranges each drive division (not shown) of thread cutting device etc. in inside; Power switch 2, it is arranged on sewing machine table T; Spindle drive motor 3, it is arranged on below sewing machine table T; Pedal 8, it can carry out the operation for driving or stop spindle drive motor 3; Control cabinet 9, it is fixed on spindle drive motor 3, is configured at the control device 11 (with reference to Fig. 2) for carrying out controlling in sewing machine main body 10 in inside collecting; And guidance panel 20, it is configured on sewing machine table T.
Sewing machine main body 10 has: main shaft (not shown), and it transmits the rotary actuation of above-mentioned spindle drive motor 3 via driving belt 4; Needle bar 5, it is moved up and down by the rotary actuation of this main shaft; Sewing machines suture needle 6, it is removably arranged on needle bar 5; Cloth feeding mechanism 7, its below at needle bar 5 (below of Sewing machines suture needle 6), carries the cloth as sewn object.
In addition, as shown in the block diagram of fig. 2, be configured with in sewing machine main body 10: various console switch 13, it is for carrying out the inputs to the operation instruction of Sewing machines each several part such as inverse feeding or presser feet lift; Various actuator 15, it uses when making each several part action; And as the spindle encoder 16 of rotary speed detecting unit, the rotary speed of its main shaft rotated utilizing spindle drive motor 3 detects, and these parts are connected with the control device 11 be housed in control cabinet 9 respectively.Pedal 8 is provided with pedal sensor 17, and the operating position of pedal is transformed to electric signal and exports by it, is connected with control device 11.
Control device 11, for controlling the action of sewing machine main body 10 and guidance panel 20, has: CPU11a, and it carries out program execution and calculation process; RAM11b, it is as the operating area of CPU11a; ROM11c, it stores each program; And EEPROM11d, it stores rewritable data.
Between control device 11 and guidance panel 20, be provided with interface 11e, 26, connected by wired or wireless circuit (holding wire), the exchange of data and detection signal etc. can be carried out.
If based on the operation of pedal 8, from pedal sensor 17 output speed command signal, then sewing machine main body 10 makes spindle drive motor 3 carry out rotary actuation, needle bar 5 (Sewing machines suture needle 6) is moved up and down, cloth feeding mechanism 7 carries out cloth feeding with the pitch of feed of regulation, performs thus and makes.
Store in EEPROM11d: the ID intrinsic to making relevant various settings, Sewing machines, carry out the operating personnel operated ID, batch recognition coding, sewing speed data.Store in sewing speed data: the sewing speed of the unit interval of each regulation utilizing spindle encoder 16 to detect in making and the generation moment of tangent line signal exported by CPU11a for making tangent line solenoid 14 action.In addition, the information in moment when storing the starting start time of Sewing machines and Sewing machines is stopped.
In ROM11c, store technical ability decision procedure, it is according to the technical ability being stored in the sewing speed data judging operating personnel in EEPROM11d.Above-mentioned technical ability decision procedure is described in detail below.
As shown in Figure 2, guidance panel 20 has as the display touch-screen 23 of input block and timer 25 etc., and this touch-screen 23 has: display part 21, and the information of its subtend user report carries out liquid crystal display; As the soft-touch control 22 of input part, it overlaps with display part 21 and configures, and inputs by touching.
Making in technical ability decision maker 1, by technical ability decision procedure, in the display part 21 of guidance panel 20, carry out the display of various curve map.
Guidance panel 20 is connected with sewing machine main body 10 via interface 26, and carries out the exchange of idsplay order etc. between sewing machine main body 10.In addition, guidance panel 20 via interface 27 with can on guidance panel 20 free attaching/detaching external recording medium 28 (such as, storage card etc.) connect, the data be recorded in external recording medium 28 also can store by user in the EEPROM11d of control device 11, or utilize control device 11 directly to read the content of external recording medium 28.In addition, the data of necessity can be recorded in external recording medium 28 and take away.
(the technical ability determination processing of being undertaken by technical ability decision procedure)
Below, the contents processing undertaken by above-mentioned technical ability decision procedure is described.In addition, the process below illustrated, is all described premised on being undertaken by the CPU11a of the control device 11 performing technical ability decision procedure.
As noted above, in making, make operation for one, from making to end during obtain sewing speed data, these sewing speed data to be sampled to the sewing speed detected by spindle encoder 16 every the unit interval of regulation and are obtained.Fig. 3 represents with the chart of 0.5 [s] for the content of the sewing speed data that unit detects sewing speed V [rpm] and obtain, Fig. 4 elapsed time t that to be transverse axis be from making, the longitudinal axis is sewing speed V, represents the actual measured value curve map J of sewing speed data.
After making, the sewing speed data stored in EEPROM11d, be in the state arranged chronologically by the sewing speed detected every the unit interval, but the sewing speed detected every the unit interval sorts according to descending (descending order) by CPU11a, and newly-generated conversion sewing speed data.Fig. 5 is the chart of the content representing conversion sewing speed data, and Fig. 6 is transverse axis is time t, and the longitudinal axis is sewing speed V, based on the contrast curve map H of the conversion sewing speed data arranged by sewing speed with the order after sequence.
In actual measured value curve map J, owing to being actual measured value, so the random increase and decrease producing sewing speed, but in contrast with in curve map H, owing to sorting according to sewing speed, so curve map becomes the shape on the slope that merely declines.
In addition, because conversion sewing speed data sort according to sewing speed, thus can obtain once make in operation, for each sewing speed how long to make, that is, the working time distribution of each sewing speed.
And the working time distribution of this each sewing speed, along with the technical ability of operating personnel uprises, the time scale at a high speed becomes many and shared by low speed time scale step-down.In addition, if the technical ability of operating personnel is low, then on the contrary, at a high speed shared by time scale to tail off and time scale shared by low speed becomes many.
In addition, make the characteristic that technical ability decision maker 1 is conceived to this conversion sewing speed data, conversion sewing speed data after sequence are divided into multiple interval (being 4 intervals in the present embodiment) on a timeline equably, obtain the difference between the mean value of the sewing speed in each interval and the reference speed preset for each interval, corresponding with difference and determine mark, and obtain the aggregate value of the mark in each interval, using the evaluation of estimate of this aggregate value as operating personnel's technical ability.
Here, based on Fig. 7, describe the process that technical ability judges in detail.Fig. 7 is by the key diagram of the contrast curve map H quartering.
First, as noted above, for conversion sewing speed data, by overall for its working time quartering.Now, no matter the total of working time is long or short, all carries out decile with predetermined interval quantity.
The dash area of Fig. 7 represents the region after averaging the sewing speed of the time per unit in each interval A1 ~ A4, and the dotted line of its upper end represents mean value.In addition, the chain-dotted line shown in each interval A1 ~ A4 represents the reference speed in this interval.In other words reference speed in each interval, is the target sewing speed in each interval, if the mean value of the sewing speed of actual measurement in each interval does not reach reference speed, then and evaluation of estimate deduction, if reached, bonus point.
Preferred said reference speed is made operation for each and prepares respectively.
In addition, the reference speed in preferred each interval, the interval high using average speed and set higher as prerequisite, and also according to the such as statistical rule of thumb, maybe this makes the difficulty of operation and determines concrete numerical value.Such as, if the operation that straight line stitching is many, then the reference speed in each interval sets higher, comprise curvilinear stitching or change direction and carry out make, the situation of making that other need the time is inferior, the benchmark in each interval sets lower.In addition, reference speed also at random can be set by console switch 13.
Then, if obtain the difference of reference speed and average speed for each interval, then determine the difference relative to each interval and the mark preset.Fig. 8 is the table of the relation representing speed difference and mark, and this score graph is stored in EEPROM11d.
As shown in the drawing, the relation between speed difference and mark is set as, along with speed difference becomes large, mark also becomes large.
Then, determine the mark in each interval, and calculate their aggregate value, be presented on display part 21 as evaluation of estimate (evaluation level).In addition, the higher certain expression technical ability of this evaluation of estimate is higher.
Based on the flow chart of Fig. 9, illustrate in greater detail the process of above-mentioned technical ability decision procedure.
First, if start to make by the operation of the pedal 8 of sewing machine main body 10, then control device 11 is till sewing finishing, repeatedly receive the output of spindle encoder 16 with the sampling interval (0.5 [S]) of regulation, CPU11a generates sewing speed data (with reference to Fig. 3) (step S11).By above-mentioned process, CPU11a works as " sewing speed data acquisition unit ".In addition, the end of making can judge according to pedal sensor 17, also the tangent line indicative input undertaken by pedal operation can be considered as terminating.In addition, the counter switch for inputting sewing finishing also can be set on control device 11 or guidance panel 20.
Then, if obtain sewing speed data, then the sewing speed detected every the unit interval is sorted according to descending, newly-generated conversion sewing speed data (with reference to Fig. 5) (step S12).By above-mentioned process, CPU11a works as " data conversion unit ".
Then, CPU11a, by graphical for the sewing speed of each unit interval in conversion sewing speed data, generate contrast curve map H, utilizes display part 21 to carry out showing (step S13).
Then, by contrast curve map H (the conversion sewing speed data) quartering (step S14) on a timeline.
Then, the mean value (step S15) of the sewing speed from interval A1 successively in computation interval.Then, from the average speed obtained, deduct interval reference speed, with this subtraction value accordingly, with reference to the table of relation representing speed difference and mark, determine mark (step S16).
Then, for all interval A1 ~ A4, repeatedly perform the process of above-mentioned steps S15, S16.
Then, CPU11a adds up to mark, using the result that the respective horizontal based on this aggregate value is evaluated as technical ability, is presented at (step S17) on display part 21.By the process of step S14 ~ S17, CPU11a works as " identifying unit ".
(effect of the first embodiment)
As noted above, make in technical ability decision maker 1 at Sewing machines, the change of sewing speed is chronologically obtained by actual measurement, as sewing speed data, then the sewing speed will detected every the unit interval, sort according to the order of this sewing speed, and obtain conversion sewing speed data and contrast curve map.Then, due to contrast curve map (or conversion sewing speed data) and the datum curve figure (or reference data) of each level are compared, the determination of respective horizontal is carried out according to the minimum curve map of difference, so the judgement of technical ability can be carried out based on numerical value, therefore, bias can not be produced because of evaluation personnel, technical ability can be judged objectively.
(the second embodiment)
Below, the second embodiment is described.In the present embodiment, utilize and make technical ability decision maker 1 identical structure on hardware with above-mentioned, use the technical ability decision procedure carrying out other the technical ability determination processing different from above-mentioned technical ability determination processing.Therefore, omit sewing machine main body 10, guidance panel 20 and make the explanation of technical ability decision maker 1, only main its skill determination method and contents processing thereof to be described.
As noted above, in making, operation is made for one, from making to end during obtain sewing speed data, these sewing speed data are made up of the sewing speed of the unit interval often specified utilizing spindle encoder 16 to detect, based on these sewing speed data, the sewing speed detected every the unit interval sorts according to descending (descending order) by CPU11a, and generates conversion sewing speed data H (with reference to Fig. 5,6).
Then, make the data that technical ability decision maker 1 prepares horizontal data and horizontal line graph (benchmark) K in advance in EEPROM11d, this horizontal data is the reference data of each level of skill by grade classification level, and this horizontal line graph (benchmark) K is the datum curve figure corresponding with horizontal data.Figure 10 (A) ~ (F) is the example of the horizontal line graph K relative to each level.In addition, this reference data and each datum curve diagram data, the data generated by actual measurement when the different each operating personnel of technical ability in practice can be utilized to make, the tendency that also can obtain according to the statistics by the past and generating.In addition, EEPROM11d works as " memory cell " thus.
In addition, the data (sample data) that can arrange the horizontal line graph K for each level carry out arbitrarily the setup unit that sets (such as, touch-screen 23), generated by setting input, also can be kept in the EEPROM11d as memory cell.
Then, by the conversion sewing speed data obtained by actual measurement (or contrast curve map H), contrast with the reference data (or each datum curve figure K) of each technical ability by grade classification level, calculate departure each other, obtain the level that departure is minimum, this level is judged to be the technical ability of operating personnel.
In addition, reference data and datum curve figure K, preferably for the sewing object identical with when obtaining the conversion sewing speed data and contrast curve map H that compare, carry out identically making making of operation and the data that obtain.
Here, the calculating of above-mentioned departure is described in detail.Figure 11 is the key diagram of departure calculating contrast being overlapped with curve map H and datum curve figure K (level 4) and represent.
As shown in the dash area of Figure 11, contrast curve map H is calculated as departure relative to the area summation of the non-coincidence part of datum curve figure K.The area summation of non-coincidence part, such as, by obtaining the difference in areas of the tiny time width of each curve map time shaft decile, and adds up to it and calculates.In the case, no matter contrast is with curve map H higher than datum curve figure K or lower than datum curve figure K, all calculates as positive deviate, does not import positive and negative concept.
In addition, as noted above, according to each data genaration curve map, deviate is obtained according to its area, but also can replace this mode, as shown in figure 12, according to conversion sewing speed data and reference data, obtain the absolute value of the difference of the sewing speed under the identical time respectively, and calculate their aggregate value.
Then, calculate the departure of reference data relative to each level or datum curve figure, level minimum for departure is defined as the respective horizontal of these operating personnel.
Based on the flow chart of Figure 13, illustrate in greater detail the process of above-mentioned technical ability decision procedure.
First, if start to make by the operation of the pedal 8 of sewing machine main body 10, then control device 11 is till sewing finishing, repeatedly receive the output of spindle encoder 16 with the sampling interval (0.5 [S]) of regulation, CPU11a generates sewing speed data (with reference to Fig. 3) (step S31: " sewing speed data acquisition unit ").In addition, the end of making can judge according to pedal sensor 17, also the tangent line indicative input undertaken by pedal operation can be considered as terminating.In addition, the counter switch for inputting sewing finishing also can be set on control device 11 or guidance panel 20.
Then, if obtain sewing speed data, then the sewing speed detected every the unit interval is sorted according to descending, newly-generated conversion sewing speed data (with reference to Fig. 5) (step S32: " data conversion unit ").
In addition, CPU11a, by graphical for the sewing speed of each unit interval in conversion sewing speed data, generate contrast curve map H, utilizes display part 21 to carry out showing (step S33).
Then, successively datum curve figure K is overlapped (step S34) with contrast curve map H from level 1, calculate the area summation of non-coincidence part, be temporarily stored in (step S35) in RAM11b.Then, for the datum curve figure K of all levels, repeatedly perform the process of above-mentioned steps S34, S35.
Then, CPU11a is from the area total value of the non-coincidence part relative to each level in RAM11b, and retrieval minimum of a value, based on the datum curve figure corresponding with minimum of a value, and determines level (step S36).
Then, the result that CPU11a evaluates as technical ability, is presented at (step S37) on display part 21 by respective horizontal.By the process of step S33 ~ S37, CPU11a works as " identifying unit ".
(effect of the second embodiment)
As noted above, make in technical ability decision maker 1 at Sewing machines, according to actual measurement, obtain the change of sewing speed chronologically, as sewing speed data, then by the sewing speed that each unit interval detects, sort with the order of this sewing speed, and obtain conversion sewing speed data and contrast curve map.Then, due to contrast curve map (or conversion sewing speed data) and the datum curve figure (or reference data) of each level are compared, the determination of respective horizontal is carried out according to the minimum curve map of difference, so the judgement of technical ability can be carried out based on numerical value, therefore, bias can not be produced because of evaluation personnel, technical ability can be judged objectively.
(the 3rd embodiment)
Below, the 3rd embodiment is described.In the present embodiment, utilize and make technical ability decision maker 1 identical structure on hardware with above-mentioned, use the technical ability decision procedure carrying out other the technical ability determination processing different from above-mentioned technical ability determination processing.Therefore, omit sewing machine main body 10, guidance panel 20 and make the explanation of technical ability decision maker 1, only main its skill determination method and contents processing thereof to be described.
As noted above, in making, operation is made for one, from making to end during obtain sewing speed data, these sewing speed data are (with reference to Fig. 3,4) of being made up of the sewing speed of the unit interval of each regulation utilizing spindle encoder 16 to detect.
Then, make technical ability decision maker 1, sewing speed data are divided on a timeline equably multiple interval (intervals many compared with the first embodiment), obtain the mean value of the sewing speed in each interval, the mark of grade is determined accordingly with each mean value, and obtain the aggregate value of the mark in each interval, using the evaluation of estimate of this aggregate value as operating personnel's technical ability.
Here, based on Figure 14, describe the process that technical ability judges in detail.
Sewing speed data shown in Figure 14, are divided into multiple interval (time) on a timeline by working time entirety.Now, interval quantity is more, more can carry out suitable technical ability and judge, but due to computational throughput increase, so preferably suitably increase and decrease.Also can maximumly split with the cycle identical with the sampling interval of sewing speed.In the case, owing to only there are the data of a sewing speed in each interval, so this sewing speed=average speed.
Then, if obtain average speed for each interval, then determine the average speed value relative to each interval and the mark preset.Figure 15 is the table of the relation representing average speed and mark, and this score graph is stored in EEPROM11d.
As shown in the drawing, the relation between average speed and mark is set as, along with average speed becomes large, mark also becomes large.
Then, determine the mark in each interval, and calculate their aggregate value, be presented on display part 21 as evaluation of estimate (evaluation level).In addition, the higher certain expression technical ability of this evaluation of estimate is higher.
Based on the flow chart of Figure 16, illustrate in greater detail the process of above-mentioned technical ability decision procedure.
First, if start to make by the operation of the pedal 8 of sewing machine main body 10, then control device 11 repeatedly receives the output of spindle encoder 16 till sewing finishing with the sampling interval (0.5 [S]) of regulation, and CPU11a generates sewing speed data (with reference to Fig. 3) (step S51).By above-mentioned process, CPU11a works as " sewing speed data acquisition unit ".
Then, CPU11a is graphical by the sewing speed of each unit interval in sewing speed data, generates actual measured value curve map J, utilizes display part 21 to carry out showing (step S52).
Then, actual measured value curve map J (sewing speed data) is partially carried out interval separation (step S53) to set dividing number n on a timeline.
Then, for the mean value (step S54) of the sewing speed in each interval successively computation interval.Then, according to the average speed obtained, reference represents the table of the relation of this average speed and mark, determines mark (step S55).
Then, for all interval 1 ~ n, repeatedly perform the process of above-mentioned steps S54, S55.
Then, CPU11a adds up to mark, using the result that the respective horizontal based on this aggregate value is evaluated as technical ability, is presented at (step S56) on display part 21.By the process of step S52 ~ S56, CPU11a works as " identifying unit ".
(effect of the 3rd embodiment)
As noted above, make in technical ability decision maker 1 at Sewing machines, owing to carrying out score according to being recorded in the average value in interval of each sewing speed in sewing speed data, and evaluate according to its total, so objective technical ability judgement can be carried out with less operation quantity.
Claims (5)
1. a skill determination method of sewing for Sewing machines, it is based on sewing speed data, and decision personnel make technical ability, these sewing speed data record the pedal operation by described operating personnel, make in operation for one at Sewing machines, the sewing speed changed chronologically
It is characterized in that, comprise the following steps:
Obtain and store described sewing speed data;
Every the chronomere of equalization, by the described sewing speed data separate reference speed stored, datum curve figure, reference data or correspond to reference speed, datum curve figure, difference between reference data and described sewing speed data mark carry out data transformation, the height of sewing speed is quantized;
The described numerical value of each described chronomere is added up to; And
The evaluation of estimate of described aggregate value as level of skill is shown,
Described step of carrying out quantizing is performed by following step, that is:
Described sewing speed data are rearranged according to speed order;
By the sewing speed data after described rearranging, be divided into the interval of impartial chronomere;
Calculate the average speed in each interval;
Difference between the reference speed calculating the described average speed in each interval and the regulation in each interval; And
The difference in described each interval is converted to mark,
Described step of carrying out adding up to, performs by calculating the step of the aggregate value of the mark in each interval.
2. a skill determination method of sewing for Sewing machines, it is based on sewing speed data, and decision personnel make technical ability, these sewing speed data record the pedal operation by described operating personnel, make in operation for one at Sewing machines, the sewing speed changed chronologically
It is characterized in that, comprise the following steps:
Obtain and store described sewing speed data;
Every the chronomere of equalization, by the described sewing speed data separate reference speed stored, datum curve figure, reference data or correspond to reference speed, datum curve figure, difference between reference data and described sewing speed data mark carry out data transformation, the height of sewing speed is quantized;
The described numerical value of each described chronomere is added up to; And
The evaluation of estimate of described aggregate value as level of skill is shown,
Described step of carrying out quantizing is performed by following step, that is:
Described sewing speed data are rearranged according to speed order;
The curve map of the sewing speed data after rearranging described in generation; And
For the chronomere of each equalization, the area difference between the datum curve figure of computational rules and the curve map of described generation,
Described step of carrying out adding up to, performs by calculating the step of the aggregate value of the area difference of each described chronomere.
3. a skill determination method of sewing for Sewing machines, it is based on sewing speed data, and decision personnel make technical ability, these sewing speed data record the pedal operation by described operating personnel, make in operation for one at Sewing machines, the sewing speed changed chronologically
It is characterized in that, comprise the following steps:
Obtain and store described sewing speed data;
Every the chronomere of equalization, by the described sewing speed data separate reference speed stored, datum curve figure, reference data or correspond to reference speed, datum curve figure, difference between reference data and described sewing speed data mark carry out data transformation, the height of sewing speed is quantized;
The described numerical value of each described chronomere is added up to; And
The evaluation of estimate of described aggregate value as level of skill is shown,
Described step of carrying out quantizing is performed by following step, that is:
Described sewing speed data are rearranged according to speed order; And
For each described chronomere, the sewing speed data after rearranging described in calculating and the difference between the reference speed of regulation,
Described step of carrying out adding up to, performs by calculating the step of the aggregate value of the difference of each described chronomere.
4. Sewing machines make a technical ability decision maker, it is based on sewing speed data, and decision personnel make technical ability, these sewing speed data record the pedal operation by described operating personnel, make in operation for one at Sewing machines, the sewing speed changed chronologically
It is characterized in that,
Have: obtain and store the unit of described sewing speed data; And identifying unit, it is every the chronomere of equalization, by the described sewing speed data separate reference speed stored, datum curve figure, reference data or correspond to reference speed, datum curve figure, difference between reference data and described sewing speed data mark carry out data transformation, the height of sewing speed is quantized, and the numerical value of each described chronomere is added up to, the evaluation of estimate of described aggregate value as level of skill is presented on display part
Have data conversion unit, described sewing speed rearranges according to speed order by it, obtains conversion sewing speed data,
Described identifying unit, described conversion sewing speed data are divided into multiple interval on a timeline, for the mean value of this each interval computation sewing speed, obtain the difference between predetermined reference speed in this each mean value and described each interval, the described difference in described each interval is converted to mark, based on the aggregate value of this mark, display level of skill.
5. Sewing machines make a technical ability decision maker, it is based on sewing speed data, and decision personnel make technical ability, these sewing speed data record the pedal operation by described operating personnel, make in operation for one at Sewing machines, the sewing speed changed chronologically
It is characterized in that,
Have: obtain and store the unit of described sewing speed data; And identifying unit, it is every the chronomere of equalization, by the described sewing speed data separate reference speed stored, datum curve figure, reference data or correspond to reference speed, datum curve figure, difference between reference data and described sewing speed data mark carry out data transformation, the height of sewing speed is quantized, and the numerical value of each described chronomere is added up to, the evaluation of estimate of described aggregate value as level of skill is presented on display part
Have data conversion unit, described sewing speed rearranges according to speed order by it, obtains conversion sewing speed data,
Have memory cell, itself and level of skill accordingly, store multiple sample data, and this sample data makes operation for described one, arranged by the sewing speed of each unit interval according to speed order,
Described conversion sewing speed data and described each sample data are compared by described identifying unit, judge the sample data closest with described conversion sewing speed data, based on this result of determination, judge level of skill.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2009205596A JP5616600B2 (en) | 2009-09-07 | 2009-09-07 | Sewing skill judgment device for sewing machine |
| JP2009-205596 | 2009-09-07 |
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| CN102013082A CN102013082A (en) | 2011-04-13 |
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| JP6010357B2 (en) * | 2012-06-20 | 2016-10-19 | Juki株式会社 | sewing machine |
| JP7060926B2 (en) * | 2017-06-30 | 2022-04-27 | Juki株式会社 | Production control system and production control equipment |
| CN107977784A (en) * | 2017-11-24 | 2018-05-01 | 东华大学 | A kind of personnel's technical ability evaluating apparatus and method based on sewing machine data abstraction techniques |
| JP7338965B2 (en) * | 2018-12-05 | 2023-09-05 | Juki株式会社 | Monitoring system |
| JP2020168056A (en) * | 2019-04-01 | 2020-10-15 | Juki株式会社 | Sewing management system and sewing management method |
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| CN1789536A (en) * | 2004-12-15 | 2006-06-21 | 重机公司 | Sewing record device of sewing machine |
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| CN101457445A (en) * | 2007-12-14 | 2009-06-17 | Juki株式会社 | Sewing record device for sewing machine |
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| JPS6437990A (en) * | 1987-07-31 | 1989-02-08 | Juki Kk | Sewing control apparatus of sewing machine |
| JP2009160084A (en) * | 2007-12-28 | 2009-07-23 | Juki Corp | Work analyzer of sewing machine |
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| CN1789536A (en) * | 2004-12-15 | 2006-06-21 | 重机公司 | Sewing record device of sewing machine |
| CN1861887A (en) * | 2005-05-13 | 2006-11-15 | 重机公司 | Controlling device of sewing machine |
| CN101457445A (en) * | 2007-12-14 | 2009-06-17 | Juki株式会社 | Sewing record device for sewing machine |
| CN101667283A (en) * | 2008-09-05 | 2010-03-10 | Juki株式会社 | Operation analysis apparatus |
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| JP5616600B2 (en) | 2014-10-29 |
| JP2011055867A (en) | 2011-03-24 |
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