CN109426242A - Adjusting apparatus and deterioration method for detecting position - Google Patents
Adjusting apparatus and deterioration method for detecting position Download PDFInfo
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- CN109426242A CN109426242A CN201810965935.1A CN201810965935A CN109426242A CN 109426242 A CN109426242 A CN 109426242A CN 201810965935 A CN201810965935 A CN 201810965935A CN 109426242 A CN109426242 A CN 109426242A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0262—Confirmation of fault detection, e.g. extra checks to confirm that a failure has indeed occurred
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0267—Fault communication, e.g. human machine interface [HMI]
- G05B23/027—Alarm generation, e.g. communication protocol; Forms of alarm
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0224—Process history based detection method, e.g. whereby history implies the availability of large amounts of data
- G05B23/0227—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions
- G05B23/0235—Qualitative history assessment, whereby the type of data acted upon, e.g. waveforms, images or patterns, is not relevant, e.g. rule based assessment; if-then decisions based on a comparison with predetermined threshold or range, e.g. "classical methods", carried out during normal operation; threshold adaptation or choice; when or how to compare with the threshold
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0256—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Human Computer Interaction (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The present invention provides a kind of adjusting apparatus and deterioration method for detecting position.Surveillant easily verifies that the operating position deteriorated in the actuating range of operating side at the scene.The segment display unit of multiple display segments comprising can individually control lighting is set, in a period of driving of the display control section detection until from starting position to stop position actual measurement value of feedback obtained among deduction value of feedback, surveying value of feedback is abnormal abnormal section, with the display format different from the display segment in section other than abnormal section is corresponded to, the display segment corresponding with abnormal section in display segment is identified and shown.
Description
Technical field
The present invention relates to the deterioration position detection skills that the position deteriorated is detected among a kind of actuating range from operating side
Art.
Background technique
Adjusting apparatus is by controlling the mechanical operating side (actuating with movable bodys such as motor or valves as output end
Device), and by the control of the process conditions such as temperature, humidity, pressure, flow at the control device of defined setting value.In general, operating side
Have detection movable body operating position encoder, adjusting apparatus can according to adjusted by encoder value of feedback obtained to
Control the operating quantity of operating side.
Before, the control device (adjusting apparatus) as control situ machine, proposition, which has, has the operating sides such as motor or valve
The control device of unfavorable condition detection device (for example, referring to patent document 1 etc.).This prior art is following technology: according to
The change rate Δ MP for following deviation D M (=MV-MP) and operating position MP of operating quantity MV and operating position MP, decision
Whether the movement at end has disengaged from the permissible range being determined in advance, and when being judged to having disengaged from permissible range, decision maker is being operated
Exception is produced in end.
Existing technical literature
Patent document
Patent document 1: Japanese Patent Laid-Open 2017-033140 bulletin
Summary of the invention
Problem to be solved by the invention
In general, the encoder for being mounted on operating side is easy to generate deterioration because of abrasion.With using ambient temperature as the ring of representative
Border characteristic or year in year out deterioration are compared, and abrasion situation is more dependent on adjusting apparatus for the control situation of operating side.For example, working as
When being such as often opened and closed operating side in narrow actuating range (such as: aperture is 40%~50%), encoder only moves herein
Make deterioration in range.Therefore, although operating side is controlled so as to specified aperture, there is also cause due to the deterioration because of encoder
Its value of feedback shows the case where exceptional value.
In general, at the scene for being provided with adjusting apparatus, it is different in order to correctly cope with this when producing abnormal in operating side
Often, it is important that live surveillant, which knows, produces this exception on which operating position of the actuating range of operating side.
In addition, service personnel in order to confirmation operation end deterioration and urge user to replace, and must linkage record device
Etc. external mechanicals, and obtain indicate its deterioration data.
But such data, which obtain operation, must remove wiring to connect external mechanical, exist when restoring to the original state
Generate the risk of error connection.Accordingly, it is difficult to be suitable for the frequency of maintenance or implement data acquirement on the opportunity for being intended to be confirmed
Operation.
In addition, becoming to overhaul (break afterwards in the case where keeping being changed without and continuing to use operating side
Maintenance) a possibility that (reconditioning work after damaging completely), is high, it is contemplated that the device as caused by urgent REPSH repair shop
Stop or by defective products generation caused by loss.
The present invention is the invention to solve such project, and its purpose is to provide a kind of surveillants can at the scene easily
The deterioration location detecting technology of the operating position deteriorated in the actuating range at confirmation operation end.
Technical means to solve problem
In order to reach such purpose, adjusting apparatus of the invention be based on according to the setting value being previously set with from control object
In the operating quantity that is obtained to calculate of the control amount that detects, drive operating side, thus to the operating position of the operating side into
The adjusting apparatus that row automatically controls, has: actual measurement value of feedback calculation section, according to the inspection exported from the encoder of the operating side
Signal is surveyed, the actual measurement feedback for indicating to correspond to the operating position of the operating side of the operating quantity is calculated every the set time
Value；Infer value of feedback calculation section, is fed back according to the actual measurement of the influence for not including deterioration calculated before the actual measurement value of feedback
Value calculates deduction value of feedback corresponding with the actual measurement value of feedback；Drive control part deteriorates the detection of position corresponding to instruction
Instruction operation, so that side of the operating position until fixed speed is moved to stop position from starting position specified in advance
Formula carries out drive control to the operating side；Segment display unit, multiple display segments comprising can individually control lighting；With
And display control section, the reality obtained in a period of driving of the detection until from the starting position to the stop position
Survey among value of feedback and the deductions value of feedback, the actual measurement value of feedback is abnormal abnormal section, with corresponding to described different
The different display format in the display segment in the section other than normal section, identify and show in the segment display unit with it is described different
The normal corresponding display segment in section.
In addition, a configuration example of the adjusting apparatus of the invention is following configuration example: the display control section is determining
When the exception section, by the actual measurement value of feedback and the deviation for inferring value of feedback and in the permissible range being previously set
The multiple abnormal ranges periodically set outside range are compared, when the deviation is included in any one of the abnormal ranges
When middle, identified in this abnormal ranges with a other display format and show display segment corresponding with the exception section.
In addition, a configuration example of the adjusting apparatus of the invention is following configuration example: the segment display unit includes to be in
The multiple display segments being linearly arranged side-by-side, these display segments correspond respectively to its own allocation position, and will be described
The entire movement interal separation of operating side corresponds to come any one foundation in the multiple portions movement section being arranged.
In addition, a configuration example of the adjusting apparatus of the invention is following configuration example: the segment display unit includes logical
Cross that arbitrarily lighting disappears lamp and shows multiple segments of the symbols such as arbitrary number, text or mark by multiple display segments
Display, by each segment display, and shown with the display format exported from the display control section indicate described in
The symbol in abnormal section.
In addition, a configuration example of the adjusting apparatus of the invention is following configuration example: and then have value of feedback selector,
The value of feedback selector is the permissible range being previously set in the actual measurement value of feedback and the deviation for inferring value of feedback
In the case where in range, adjustment value of feedback of the actual measurement value of feedback as the adjustment for the operating quantity is selected, described
Deviation is to select the deduction value of feedback as the adjustment value of feedback in the case that the range of the permissible range is outer.
In addition, deterioration method for detecting position of the invention is based on according to the setting value being previously set and from control object
The operating quantity that the control amount detected obtains to calculate drives operating side, thus carries out to the operating position of the operating side
Deterioration method for detecting position used in the adjusting apparatus of automatic control, has: value of feedback calculates step, and actual measurement value of feedback is calculated
According to the detection signal exported from the encoder of the operating side, calculating every the set time indicates to correspond to the behaviour in portion out
The actual measurement value of feedback of the operating position for the operating side that work is measured；Infer that value of feedback calculates step, infers value of feedback calculation section root
According to the actual measurement value of feedback of the influence for not including deterioration calculated before the actual measurement value of feedback, calculate and the actual measurement value of feedback
Corresponding deduction value of feedback；Drive control step, drive control part correspond to the instruction operation of the detection of instruction deterioration position, with
Make mode of the operating position until fixed speed is moved to stop position from starting position specified in advance, to the behaviour
Make end and carries out drive control；And display control step, display control section are detected from the starting position to the stop position
Until driving in a period of among the actual measurement value of feedback obtained and the deduction value of feedback, the actual measurement value of feedback is
Abnormal abnormal section, with the display format different from the display segment in section other than the abnormal section is corresponded to, identification
And it shows corresponding with the abnormal section in the segment display unit comprising the multiple display segments that can individually control lighting
Show segment.
The effect of invention
According to the present invention, the abnormal section of operating side is identified display by the corresponding display segment of segment display unit.It is logical
Often, the size that the shell of adjusting apparatus at the scene is arranged is smaller, and such as personal computer can not be arranged in adjusting apparatus
The picture of high resolution as (Personal Computer, PC).According to the present embodiment, only by that will be shown comprising multiple
Show that the segment display unit of segment is arranged in adjusting apparatus, just identify the position in abnormal section and carry out picture and show, therefore monitors
Member can easily verify that at the scene.
It is therefore not necessary to the external mechanicals such as linkage record device come obtain indicate its deterioration data, can significantly cut down work
Industry burden.In addition, when restoring to the original state, there is no the wind for generating error connection without removing wiring to connect external mechanical
Danger.Therefore, to be suitable for the frequency of maintenance or data can be obtained on the opportunity for being intended to be confirmed, extremely can successfully confirms behaviour
Make the deterioration at end 30 and user is urged to replace.Therefore, it can inhibit subsequent maintenance, can avoid as caused by urgent REPSH repair shop
The stopping of device or by defective products generation caused by loss.
Detailed description of the invention
Fig. 1 is the block diagram for indicating the composition of adjusting apparatus of the 1st embodiment.
Fig. 2 is the calculating example for inferring value of feedback.
Fig. 3 is the front appearance figure of adjusting apparatus.
Fig. 4 is the flow chart for indicating deterioration position detection processing.
Fig. 5 is the corresponding explanatory diagram for acting section with display segment for indicating operating side.
Fig. 6 is the display example deteriorated in position detection movement.
Fig. 7 is another display example deteriorated in position detection movement.
Fig. 8 is the block diagram for indicating the composition of adjusting apparatus of the 2nd embodiment.
Fig. 9 is the flow chart for indicating value of feedback selection movement.
Figure 10 is the block diagram for indicating the composition of adjusting apparatus of the 3rd embodiment.
The explanation of symbol
10: adjusting apparatus
10P: front panel
11: setting value acquisition unit
12: control amount acquisition unit
13: operating quantity calculation section
14: operation inputting part
15: drive control part
16: driving portion
17: operating position acquisition unit
18: actual measurement value of feedback calculation section
19: inferring value of feedback calculation section
20: display control section
21: segment display unit
21A: main display unit
21B: secondary display unit
21C: bar shaped display unit
22: storage unit
23: the communication portion I/F
24: value of feedback selector
25: operating quantity switching part
30: operating side
M: movable body
ENC: encoder
SP: setting value
PV: control amount
MV, MVS: operating quantity
DS: driving signal
P: detection signal
MP: operating position
Fd, Fd', Fd (t-1)~Fd (t+2): actual measurement value of feedback
Fe: infer value of feedback
Fa: adjustment value of feedback
Δ F: unit change amount
Ts: sampling time (period)
Ta: the time required to detection
S1~S10: partial act section
T1: start time
T2: stop timing
ε a: permissible range
100~109,200~204: step
Specific embodiment
Then, the embodiments of the present invention will be described with reference to the drawings.
1st embodiment
Firstly, being illustrated referring to Fig.1 to the adjusting apparatus 10 of the 1st embodiment of the invention.Fig. 1 is to indicate the 1st implementation
The block diagram of the composition of the adjusting apparatus of mode.
Adjusting apparatus 10 is following control device: the setting value SP being previously set based on basis is detected with from control object
To the operating quantity MV that is calculated of control amount PV, to the mechanical operating side (actuator) 30 with the movable bodys such as motor or valve
Operating position carries out automatically controlling, and thus controls the process conditions such as temperature, humidity, pressure, flow at defined setting value SP.
Operating side 30 has the encoder ENC of the operating position of detection movable body M, and moves with that will indicate detected
The detection signal P for making position exports the function into adjusting apparatus 10.
Adjusting apparatus
As shown in Figure 1, adjusting apparatus 10 has setting value acquisition unit 11, control amount acquisition unit 12, operating quantity calculation section 13, behaviour
Make input unit 14, drive control part 15, driving portion 16, operating position acquisition unit 17, actual measurement value of feedback calculation section 18, infer feedback
It is worth calculation section 19, display control section 20, segment display unit 21, storage unit 22 and portion communication interface (Interface, I/F) 23 to make
For main function part.Among these function parts, operating quantity calculation section 13, drive control part 15, actual measurement value of feedback calculation section 18,
Infer that value of feedback calculation section 19 and display control section 20 pass through central processing unit (Central Processing Unit, CPU)
It is collaborated with program to realize.
Setting value acquisition unit 11 has from from the duty setting signal that epigyny device or operation portion (not shown) receive
Obtain setting value SP, and towards the function of exporting in operating quantity calculation section 13.
Control amount acquisition unit 12 has from the control amount detection signal for the process value for indicating to detect from control object
Obtain control amount PV, and towards the function of exporting in operating quantity calculation section 13.
Operating quantity calculation section 13, which has, carries out proportional integral differential (Proportional according to setting value SP and control amount PV
Integral Differential, PID) etc. control operation, thus calculate operating quantity MV function.
Operation inputting part 14 as shown in Figure 3, includes the behaviour being arranged on the front panel 10P of adjusting apparatus 10 as be described hereinafter
Make button or Operation switch, there is the operation input of the surveillants at scene such as the operation of detection to instruction deterioration position to examine
The function of survey.
Drive control part 15 has the function of as follows in the case where automatic control: generating and exports corresponding to by operating quantity
Thus the driving signal DS for the operating quantity MV that calculation section 13 is calculated carries out the function of drive control to the movable body M of operating side 30
Energy；The instruction of detection corresponding to the instruction deterioration position as detected by operation inputting part 14 operates, generate and export to
Make drive of the operating position of operating side 30 until fixed speed is moved to stop position PE from starting position PS specified in advance
The function of dynamic signal DS；And it is fed back according to the adjustment of the actual measurement value of feedback Fd comprising being calculated by actual measurement value of feedback calculation section 18
Value Fa, the function that operating quantity MV (driving signal DS) is adjusted.
Driving portion 16, which has, exports the signal corresponding to the driving signal DS from drive control part 15 to operating side 30
Movable body M in, thus operating side 30 is driven to the function on defined operating position.
Operating position acquisition unit 17 has the detection signal P for obtaining the encoder ENC from operating side 30, and exports operation
The function of the operating position MP at end 30.
Surveying value of feedback calculation section 18 has according to the operating position MP from operating position acquisition unit 17, calculates with percentage
Rate indicates the function of the actual measurement value of feedback Fd of operating position MP.
Infer that value of feedback calculation section 19 has according to the influence for not including deterioration calculated before surveying value of feedback Fd
The change direction of value of feedback Fd', aftermentioned unit change amount Δ F and the driving signal DS from drive control part 15 are surveyed, is calculated
The function of inferring value of feedback Fe corresponding with actual measurement value of feedback Fd out.
Fig. 2 is the calculating example for inferring value of feedback.Herein, indicate from detection start time T1 to detection stop timing T2 be
The time required to detection only in a period of Ta, make the operating position of operating side 30 with fixed speed from full-shut position (starting position
PS the value of feedback in the case where) being moved to until full-gear (stop position PE), horizontal axis indicate the time, and the longitudinal axis indicates feedback
Value.Furthermore starting position PS or stop position PE are not limited to full-shut position or full-gear, can also will correspond to fully closed
The state of the aperture of the centre of state and full-gear is set as starting position PS or stop position PE.
If being displaced the operating position of operating side 30 in fixed-direction (openning or closing direction) with fixed speed, when
There is no when deterioration in operating side 30, actual measurement value of feedback Fd increases and decreases linearly.For example, when will be during sampling time Ts
The actual measurement value of feedback Fd of interior variation is set as unit change amount Δ F, and during being equivalent to until moment t-1 to t Ts it is dynamic
Make on position there is no deterioration when, driving signal DS increase and operating side 30 with fixed speed the case where evolution shifts up
Under, become Fd (t)=Fd (t-1)+Δ F, on the contrary, driving signal DS reduce and operating side 30 with fixed speed in the side of closing
In the case where shifting up, become Fd (t)=Fd (t-1)-Δ F.Furthermore if driving signal DS does not change, Fd (t)=Fd
(t-1).
Therefore, when in the Fd of moment t+1 (t+1) comprising deterioration, increase in driving signal DS and operating side 30 is with solid
In the case where evolution shifts up, the deduction value of feedback of moment t+1 can be pushed away constant speed degree by Fe (t+1)=Fd (t)+Δ F
It is disconnected, on the contrary, in the case where driving signal DS is reduced and operating side 30 is shifted up with fixed speed in the side of closing, moment t+1
Deduction value of feedback can be inferred by Fe (t+1)=Fd (t)-Δ F, in addition, if driving signal DS does not change, moment t+1
Deduction value of feedback deducibility be Fe (t+1)=Fd (t).
Furthermore Δ F is to be found out according to sampling time Ts and detection required time Ta by Δ F=Ts/Ta × 100%.
In addition, about Fd (t) whether be the influence not comprising deterioration actual measurement value of feedback Fd', such as can by the deviation D of Fd and Fe=
Whether Fd-Fe includes to determine in the range of the permissible range ε d being previously set.Therefore, if using closest in time
The Fd' for the deduction value of feedback Fe to be calculated then can infer Fe with highest precision.
Display control section 20 has the function of as follows: during will be until being moved to stop position PE from starting position PS
Interior actual measurement value of feedback Fd obtained and deduction value of feedback Fe are stored in the function in storage unit 22；The Fd and Fe is compared
Relatively and detect the function that Fd is abnormal abnormal section；And with correspond to the display segment in the section other than abnormal section not
Same display format identifies and shows the function of the display segment corresponding with abnormal section in segment display unit 21.
Segment display unit 21 includes the multiple display segments that can individually control lighting, is had with indicated display format
Lighting control is carried out to the display segment indicated by the display control section 20, thus identifies and show the function in abnormal section.
Fig. 3 is the front appearance figure of adjusting apparatus.As shown in figure 3, in the positive front panel 10P that adjusting apparatus 10 is arranged in
On, configured with main display unit 21A, secondary display unit 21B, bar shaped display unit 21C and operation inputting part 14.
Main display unit 21A and pair display unit 21B, which has, exists the segment displays such as 7 segment displays or 16 segment displays
The composition of regulation digit is only arranged side-by-side on transverse direction, the segment display corresponds to the instruction from display control section 20,
It will include light emitting diode (Light Emitting Diode, LED), lamp, liquid crystal display (Liquid Crystal
Display, LCD), arbitrarily lighting disappears lamp for multiple display segments of the general display segment such as fluorescent display tube, thus show
Show the symbols such as arbitrary number, text or mark.
In general, when being carried out automatically controlling relative to the setting value SP being previously set to the operating position of operating side, at this
In a little main display unit 21A and secondary display unit 21B, the expressions controls such as setting value SP, operating quantity MV, control amount PV are shown by symbol
The data of situation processed.
Bar shaped display unit 21C has will be comprising the multiple aobvious of the general display segment such as LED, lamp, LCD, fluorescent display tube
Show that segment is only arranged side-by-side the composition of specified quantity in the transverse direction linearly.
In general, when being carried out automatically controlling relative to the setting value SP being previously set to the operating position of operating side, in item
In shape display unit 21C, the data of the expressions such as operating quantity MV, control amount PV control situation are subjected to bar shaped and are shown.
In the present embodiment, it is used as segment display unit 21 to by bar shaped display unit 21C, when the deterioration of detection operating side 30
When position, with the display format different from the display segment in section other than abnormal section is corresponded to, identifies and show that segment is aobvious
Show in portion 21 with actual measurement value of feedback Fd be the corresponding display segment in abnormal abnormal section the case where be illustrated.About identification
It has been shown that, for abnormal section and normal interval, as long as using different display colors, brightness, lighting disappear lamp, flashing etc. display
Method.
Storage unit 22 includes semiconductor memory, has storage from the actual measurement value of feedback Fd of display control section 20 and deduction
The function of the various data such as value of feedback Fe.
The communication portion I/F 23, which has, reads the actual measurement value of feedback Fd stored in storage unit 22 and deduction value of feedback Fe, and court
External device (ED) or universal serial bus (Universal Serial Bus, USB) memory etc. store in media (not shown)
The function of transfer.
The movement of 1st embodiment
Then, the movement of the adjusting apparatus 10 of present embodiment is illustrated referring to Fig. 4.Fig. 4 is to indicate the inspection of deterioration position
Survey the flow chart of processing.
Adjusting apparatus 10 corresponds to the surveillant's the instruction detected by operation inputting part 14 deteriorates position detection
Operation executes the deterioration position detection processing of Fig. 4.Furthermore it before executing deterioration position detection processing, interrupts in advance according to operation
Measure the drive control of the operating side 30 of MV.
Firstly, drive control part 15 drives operating side 30 to specified starting position PS, such as until full close position
(step 100).
Then, drive control part 15 starts that the activation point of operating side 30 is made gradually to be moved to meaning with fixed speed V
Fixed stop position PE, such as the drive control (step 101) until fully open position.
Thereafter, operating position acquisition unit 17 it is standby to every the set time detection opportunity arrival until (step 102:
It is no), and correspond to the arrival (step 102: yes) on detection opportunity, obtain the detection signal of the encoder ENC from operating side 30
P, and detect the operating position MP (step 103) of operating side 30.
Then, actual measurement value of feedback calculation section 18 is calculated according to the operating position MP from operating position acquisition unit 17 with hundred
The actual measurement value of feedback Fd (step 104) for dividing rate to indicate operating position MP.
In addition, inferring value of feedback calculation section 19 according to the influence for not including deterioration calculated before surveying value of feedback Fd
The change direction of value of feedback Fd', unit change amount Δ F and the driving signal DS from drive control part 15 are surveyed, is calculated and real
Survey the corresponding deduction value of feedback Fe (step 105) of value of feedback Fd.
Thereafter, display control section 20 obtains actual measurement value of feedback Fd from actual measurement value of feedback calculation section 18, and feeds back from inferring
It is worth calculation section 19 and obtains deduction value of feedback Fe, and these values of feedback is stored in (step 106) in storage unit 22.
Then, it obtains the newest actual measurement value of feedback Fd being stored in storage unit 22 and infers value of feedback Fe, by the Fd
Being compared with Fe and detecting actual measurement value of feedback Fd is abnormal abnormal section (step 107).
Then, display control section 20 is for the normal interval other than detected abnormal section and its, with correspond to
The different display format in the display segment in the section other than abnormal section, identifies and shows (the bar shaped display unit of segment display unit 21
Display segment corresponding with abnormal section (step 108) in 21C).
Then, drive control part 15 is confirmed whether that operating side 30 is driven the (step 109) until stop position PE,
In the case where not driving until stop position PE (step 109: no), step 102, and processing more than repetition are back to.
On the other hand, (step 109: yes) in the case where having driven until stop position PE, terminate a series of bad
Change position detection processing.
Fig. 5 is the corresponding explanatory diagram for acting section with display segment for indicating operating side.In the example of Fig. 5, in bar shaped
It is provided with 10 display segments in display unit 21C, is shown from fully closed until standard-sized sheet when using all display segments
When actuating range, actuating range can be divided into 10 partial act sections (S1, S2 ..., S10) show.That is, these show
Segment corresponds respectively to the allocation position of its own, with the multiple portions that the entire movement interal separation of operating side 30 is arranged
Any one foundation for acting section corresponds to.
For example, one kind as display format indicates normal model by lighting when indicating abnormal ranges by flashing
When enclosing, the corresponding display of abnormal abnormal section S3, exception section S4, exception section S5 is detected with actual measurement value of feedback Fd
Segment flashing.In addition, with other than these abnormal sections normal interval S1, normal interval S2, normal interval S6 ..., normal area
Between the corresponding display segment S10 by lighting.Surveillant can easily verify that the abnormal section of operating side 30 at the scene as a result, i.e.,
The operating position deteriorated in actuating range.
Fig. 6 is the display example deteriorated in position detection movement.Herein, display is by operating side 30 from full-shut position (start bit
Set PS) example of the driving until full-gear (stop position PE).Display control section 20 is according to reading from storage unit 22
It surveys value of feedback Fd and infers value of feedback Fe, carry out display control as shown in FIG. 6.
Firstly, display control section 20 when starting to deteriorate the detection of position, all display segments is turned off the light, in detection process
In, corresponding to the development situation of movement, display segment corresponding with detection interval is subjected to lighting and is shown.Herein, when detecting
When surveying value of feedback Fd in section to be abnormal, and being determined as abnormal section, display segment corresponding with this detection interval is carried out
Flashing display.It successively shows the detected status in each section in the detection process as a result, and when stopping detection, passes through display
The lighting or flashing of segment show that each detection interval has surveillant without exception, live that can very easily confirm detection to identify
The progress and testing result of movement.
Fig. 7 is another display example deteriorated in position detection movement.Herein, it is shown in main display unit shown in Fig. 3
In the case that 21A or pair display unit 21B is used as segment display unit 21, operating side 30 is driven from full-shut position (starting position PS)
Example until full-gear (stop position PE).
Firstly, display control section 20 start deteriorate position detection when, in the segment display of segment display unit 21,
Display indicates " 0.000 " of " 0% " as the operating quantity MV for indicating full-shut position (starting position PS), in the detection process,
Corresponding to the development situation of movement, display indicates operating quantity MV corresponding with detection interval, such as " 55.000 " of " 55% ".This
Place will indicate corresponding with this detection interval when surveying value of feedback Fd in detection interval to be abnormal, and being determined as abnormal section
Operating quantity MV, such as " 60.000 " of " 60% " carry out flashing and show.
Thereafter, when stopping detection, display is indicated as the operating quantity MV's for indicating full-gear (stop position PE)
Operating quantity MV corresponding with abnormal section is carried out flashing and shown by " 100.000 " of " 100% " when detecting abnormal section.
At this point, operating quantity MV corresponding with these exception sections is successively switched to flash when detecting multiple abnormal sections
Display.
The detected exception of display is identified with symbols such as arbitrary number, text or marks and by flashing as a result,
Section, live surveillant can very easily confirm the progress and testing result of detection operation.
In addition, operating side 30 is not without exception with the deterioration of identical degree, there are the deterioration of mild degree or the deteriorations of degree weight
The case where mixing, therefore the position in abnormal section is also different according to the degree of deterioration.Therefore, it compares the degree of deterioration and is showing
Show and carry out different displays in segment, thus can recognize and shows these abnormal sections.As long as example, by the area of degradation weight
Between be set as fast flashing, the light section of degradation is set as slow flashing.
In the case, in display control section 20, when determining abnormal section, actual measurement value of feedback Fd and deduction are fed back
Deviation D=Fd-Fe of value Fe corresponds to each deterioration with what is periodically set outside the range for the permissible range ε d being previously set
Multiple abnormal ranges α i (integer of i=1~n, the integer that n is 2 or more) of degree are compared, when deviation D is included in any
When in a abnormal ranges α i, as long as identifying and showing with the other display format distributed in advance relative to this abnormal ranges α i
Display segment corresponding with abnormal section.
The effect of 1st embodiment
In this way, present embodiment is following embodiment: multiple display sections of the setting comprising can individually control lighting
The segment display unit 21 of section, institute in a period of driving of the detection of display control section 20 until from starting position PS to stop position PE
The actual measurement value of feedback Fd of acquisition and infer among value of feedback Fe, Fd is abnormal abnormal section, with correspond to abnormal section with
The different display format in the display segment in outer section, knows the display segment corresponding with abnormal section in display segment
Not and show.
The abnormal section of operating side 30 is identified display by the corresponding display segment of segment display unit 21 as a result,.In general,
The size that the shell of adjusting apparatus 10 at the scene is arranged is smaller, and high resolution can not be arranged as PC in adjusting apparatus
Picture.According to the present embodiment, only by that will be arranged in adjusting apparatus 10 comprising the segment display unit 21 of multiple display segments,
Just it identifies the position in abnormal section and carries out picture and show, therefore surveillant can easily verify that at the scene.
It is therefore not necessary to the external mechanicals such as linkage record device come obtain indicate its deterioration data, can significantly cut down work
Industry burden.In addition, when restoring to the original state, there is no the wind for generating error connection without removing wiring to connect external mechanical
Danger.
Therefore, to be suitable for the frequency of maintenance or data can be obtained on the opportunity for being intended to be confirmed, it can extremely successfully
The deterioration at confirmation operation end 30 simultaneously urges user to replace.Therefore, it can inhibit subsequent maintenance, can avoid by urgent REPSH repair shop
The stopping of caused device or by defective products generation caused by loss.
In addition, in the present embodiment, also can be set to display control section 20 when determining abnormal section, actual measurement fed back
Value Fd is periodically set with deviation D=Fd-Fe of value of feedback Fe is inferred with outside the range for the permissible range ε d being previously set
Multiple abnormal ranges α i corresponding to each degradation be compared, when deviation D be included in any one abnormal ranges α i in when,
It is identified in this abnormal ranges α i with a other display format and shows display segment corresponding with abnormal section.It monitors as a result,
Member can not only easily verify that abnormal section at the scene, but also can easily verify that degradation.
In addition, in the present embodiment, also can be set to drive control part 15 and generated when automatically controlling and export correspondence
In the driving signal DS of the operating quantity MV calculated by operating quantity calculation section 13, operating side 30 is thus driven, and correspond to instruction
The instruction operation for deteriorating the detection of position is generated and is exported to make the operating position of operating side 30 with fixed speed from start bit
The driving signal DS until PS is changed to stop position PE is set, operating side 30 is thus driven.
2nd embodiment
Then, it is illustrated referring to adjusting apparatus 10 of the Fig. 8 to the 2nd embodiment of the invention.Fig. 8 is to indicate the 2nd implementation
The block diagram of the composition of the adjusting apparatus of mode.
In the present embodiment, to when having deterioration on the operating position in operating side 30, will infer that value of feedback Fe replace
Actual measurement value of feedback Fd is illustrated come the case where being used for the adjustment of operating quantity MV (driving signal DS).
As shown in figure 8, in the present embodiment, value of feedback selector 24 is provided in adjusting apparatus 10.
Value of feedback selector 24 has the function of as follows: actual measurement value of feedback Fd and infer value of feedback Fe deviation D=
Fd-Fe be the permissible range ε a being previously set in the range of in the case where, select actual measurement value of feedback Fd as be used for operating quantity MV
The adjustment value of feedback Fa of the adjustment of (driving signal DS) simultaneously exports the function into drive control part 15；And deviation D be hold
Perhaps it in the case that the range of range ε a is outer, selects to infer value of feedback Fe as adjustment value of feedback Fa and export to drive control part 15
In function.
Present embodiment it is described other than composition and movement it is identical as the 1st embodiment, omit herein specifically
It is bright.
The movement of 2nd embodiment
Then, the movement of the adjusting apparatus 10 of present embodiment is illustrated referring to Fig. 9.Fig. 9 is to indicate that value of feedback selects
The flow chart of movement.
Whenever calculating new actual measurement value of feedback Fd and deduction value of feedback Fe, value of feedback selector 24 executes the feedback of Fig. 9
It is worth selection movement.
Firstly, value of feedback selector 24 obtains new actual measurement value of feedback Fd and infers value of feedback Fe (step 200).
Then, deviation D=Fd-Fe (step 201) that value of feedback selector 24 both calculates, and with the appearance that is previously set
Perhaps range ε a is compared (step 202).
Herein, (step 202: yes) in the case where deviation D is included in permissible range ε a, selection actual measurement value of feedback Fd makees
To adjust value of feedback Fa, and towards output (step 203) in drive control part 15, and terminate a series of value of feedback selection movement.
On the other hand, (step 202: no) in the case where deviation D is not included in permissible range ε a, feedback is inferred in selection
Value Fe is as adjustment value of feedback Fa, and towards exporting (step 204) in drive control part 15.
The effect of 2nd embodiment
In this way, present embodiment is following embodiment: value of feedback selector 24 is in actual measurement value of feedback Fd and infers anti-
The deviation D of feedback value Fe be the permissible range ε a being previously set in the range of in the case where, select actual measurement value of feedback Fd as adjust
Value of feedback Fa is simultaneously exported into drive control part 15, and in the case where outside the range that deviation D is permissible range ε a, selection is inferred anti-
Feedback value Fe is as adjustment value of feedback Fa and exports into drive control part 15.
As a result, in the case where actual measurement value of feedback Fd shows abnormal value because of the influence of the deterioration of operating side 30, by root
The deduction value of feedback Fe inferred according to normal actual measurement value of feedback Fd' is for operating quantity MV (the driving letter in drive control part 15
Number DS) adjustment.Therefore, even if there is deterioration on the arbitrary operating position of operating side 30, stable behaviour also may be implemented
The adjustment of work amount MV.
3rd embodiment
Then, the adjusting apparatus 10 of 0 pair of the 3rd embodiment of the invention is illustrated referring to Fig.1.Figure 10 is to indicate that the 3rd is real
Apply the block diagram of the composition of the adjusting apparatus of mode.
In the present embodiment, to when detection deteriorates position, used operating quantity MV when automatically controlling is changed, thus
The case where until making the operating position of operating side 30 be moved to stop position PE from starting position PS, is illustrated.
As shown in Figure 10, present embodiment has operating quantity switching part 25 in turn.
Operating quantity switching part 25 has the function of as follows: when automatically controlling, output is calculated by operating quantity calculation section 13
The function of operating quantity MV；And the instruction behaviour corresponding to the detection of instruction deterioration position as detected by operation inputting part 14
Make, switch to fixed speed from and the corresponding starting position operating quantity of starting position PS be changed to it is corresponding with stop position PE
Operating quantity MVS until stop position operating quantity is come the function that exports.
Drive control part 15 has the operating quantity MV/MVS for generating and exporting and correspond to and export from operating quantity switching part 25
Driving signal DS, thus drive operating side 30 function.
Present embodiment it is described other than composition and movement it is identical as the 1st embodiment or the 2nd embodiment, omit this
The detailed description at place.
The effect of 3rd embodiment
In this way, present embodiment is following embodiment: operating quantity switching part 25 is exported when automatically controlling by operating
The operating quantity MV that amount calculation section 13 is calculated, and correspond to the inspection of the instruction deterioration position as detected by operation inputting part 14
The instruction of survey operates, and switches to and is changed to fixed speed from starting position corresponding with starting position PS operating quantity and stop position
Operating quantity MVS until setting the corresponding stop position operating quantity of PE is exported, drive control part 15 generate and export correspond to from
Thus the driving signal DS of the operating quantity MV/MVS exported in operating quantity switching part 25 drives operating side 30.
The composition that the operating quantity calculation section 13 and drive control part 15 in existing adjusting apparatus can not be changed as a result, is being grasped
When making the detection of deterioration position at end 30, make the operating position of operating side 30 with fixed speed from starting position PS specified in advance
Until being moved to stop position PE.
The extension of embodiment
More than, referring to embodiment, the present invention is described, but the present invention is not limited to the embodiments.It can
Within the scope of the invention, practitioner is carried out to composition of the invention or detailed content it will be appreciated that various changes.In addition,
It can arbitrarily combine each embodiment to implement in reconcilable range.
Claims (8)
- It is based on being calculated according to the setting value being previously set with the control amount that is detected from control object 1. a kind of adjusting apparatus The operating quantity obtained out, driving operating side, the adjusting apparatus that thus operating position of the operating side is carried out automatically controlling, It is characterized in that, comprising:Value of feedback calculation section is surveyed, according to the detection signal exported from the encoder of the operating side, is calculated every the set time The actual measurement value of feedback for corresponding to the operating position of the operating side of the operating quantity is indicated out；Infer value of feedback calculation section, is fed back according to the actual measurement of the influence for not including deterioration calculated before the actual measurement value of feedback Value calculates deduction value of feedback corresponding with the actual measurement value of feedback；Drive control part, the instruction operation of the detection corresponding to instruction deterioration position, so that the operating position is with fixed speed Mode until being moved to stop position from starting position specified in advance carries out drive control to the operating side；Segment display unit, multiple display segments comprising can individually control lighting；AndDisplay control section, it is obtained described in a period of driving of the detection until from the starting position to the stop position Survey among value of feedback and the deductions value of feedback, the actual measurement value of feedback is abnormal abnormal section, and with corresponding to institute The different display format in display segment for stating the section other than abnormal section, identify and show in the segment display unit with institute State the corresponding display segment in abnormal section.
- 2. adjusting apparatus according to claim 1, it is characterised in that: the display control section is determining the abnormal section When, by the actual measurement value of feedback and the deviation for inferring value of feedback and the stage outside the range for the permissible range being previously set Multiple abnormal ranges of ground setting are compared, when in any one that the deviation includes the multiple abnormal ranges, It is identified in this abnormal ranges with a other display format and shows display segment corresponding with the exception section.
- 3. adjusting apparatus according to claim 1 linearly, it is characterised in that: the segment display unit includes to be arranged side-by-side Multiple display segments, these display segments correspond respectively to its own allocation position, move with by the entire of the operating side Any one for the multiple portions movement section being arranged as interal separation, which is established, to be corresponded to.
- 4. adjusting apparatus according to claim 2 linearly, it is characterised in that: the segment display unit includes to be arranged side-by-side Multiple display segments, these display segments correspond respectively to its own allocation position, move with by the entire of the operating side Any one for the multiple portions movement section being arranged as interal separation, which is established, to be corresponded to.
- 5. adjusting apparatus according to claim 1, it is characterised in that: the segment display unit includes by that the multiple will show Show that arbitrarily lighting is turned off the light to show multiple segment displays of the symbols such as arbitrary number, text or mark for segment, is passed through Each segment display, and showing what is exported from the display control section with the display format indicates the symbol in the abnormal section Number.
- 6. adjusting apparatus according to claim 2, it is characterised in that: the segment display unit includes by that the multiple will show Show that arbitrarily lighting is turned off the light to show multiple segment displays of the symbols such as arbitrary number, text or mark for segment, is passed through Each segment display, and showing what is exported from the display control section with the display format indicates the symbol in the abnormal section Number.
- 7. adjusting apparatus according to any one of claim 1 to 6, which is characterized in that further include:Value of feedback selector, the value of feedback selector are prior in the actual measurement value of feedback and the deviation for inferring value of feedback In the case where in the range of the permissible range of setting, tune of the actual measurement value of feedback as the adjustment for the operating quantity is selected Whole value of feedback selects the deduction value of feedback as described in the case where outside the range that the deviation is the permissible range Adjust value of feedback.
- 8. a kind of deterioration method for detecting position is the setting value being previously set based on basis and detected from control object The operating quantity that control amount obtains to calculate drives operating side, thus carries out automatically controlling to the operating position of the operating side Adjusting apparatus used in deterioration method for detecting position characterized by comprisingValue of feedback calculates step, actual measurement value of feedback calculation section according to the detection signal exported from the encoder of the operating side, The actual measurement value of feedback for indicating to correspond to the operating position of the operating side of the operating quantity is calculated every the set time；Infer that value of feedback calculates step, deduction value of feedback calculation section is bad according to not including for calculating before the actual measurement value of feedback The actual measurement value of feedback of the influence of change calculates deduction value of feedback corresponding with the actual measurement value of feedback；Drive control step, drive control part corresponds to the instruction operation of the detection of instruction deterioration position, so that the act bit The mode until fixed speed is moved to stop position from starting position specified in advance is set, the operating side is driven Control；AndDisplay control step, in a period of driving of the display control section detection until from the starting position to the stop position Among the actual measurement value of feedback obtained and the deduction value of feedback, the actual measurement value of feedback is abnormal abnormal section, and With the display format different from the display segment in section other than the abnormal section is corresponded to, identifies and show comprising can be individual Ground controls the display segment corresponding with the exception section in the segment display unit of multiple display segments of lighting.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017162396A JP6943683B2 (en) | 2017-08-25 | 2017-08-25 | Controller and deterioration position detection method |
| JP2017-162396 | 2017-08-25 |
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| Publication Number | Publication Date |
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| CN109426242A true CN109426242A (en) | 2019-03-05 |
| CN109426242B CN109426242B (en) | 2021-07-27 |
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| CN201810965935.1A Active CN109426242B (en) | 2017-08-25 | 2018-08-23 | Regulator and degradation position detection method |
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|---|---|
| JP (1) | JP6943683B2 (en) |
| KR (1) | KR102278920B1 (en) |
| CN (1) | CN109426242B (en) |
| TW (1) | TWI689800B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2019040438A (en) | 2019-03-14 |
| KR102278920B1 (en) | 2021-07-19 |
| TW201913257A (en) | 2019-04-01 |
| KR20190022368A (en) | 2019-03-06 |
| TWI689800B (en) | 2020-04-01 |
| CN109426242B (en) | 2021-07-27 |
| JP6943683B2 (en) | 2021-10-06 |
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