EP0549649A1 - Verfahren zum überprüfen der güte eines gegenstandes oder zustandes. - Google Patents
Verfahren zum überprüfen der güte eines gegenstandes oder zustandes.Info
- Publication number
- EP0549649A1 EP0549649A1 EP91916560A EP91916560A EP0549649A1 EP 0549649 A1 EP0549649 A1 EP 0549649A1 EP 91916560 A EP91916560 A EP 91916560A EP 91916560 A EP91916560 A EP 91916560A EP 0549649 A1 EP0549649 A1 EP 0549649A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- quality
- value
- comparison
- comparison value
- actual
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C3/00—Registering or indicating the condition or the working of machines or other apparatus, other than vehicles
- G07C3/14—Quality control systems
Definitions
- the invention is based on a method according to the preamble of claim 1.
- the comparison value may appear too high for a person responsible for the quality, while another person son, which might have the damage, the comparison value still seems too low. It was thus possible that exactly the same circumstances led to the reproach of a late report for one user and the reproach of a too early report for another user.
- the invention has for its object to provide a method for checking the quality of an object or condition that largely avoids such discretions and discrepancies and adapts better to practical circumstances in the quality check.
- the initial quality value is initially accepted as normal.
- the comparison value is set, for example, somewhat below the actual initial quality value. This can happen automatically. If the actual quality now changes in the course of the monitoring, the comparison value also automatically changes in the sense that it is constantly below the actual quality value by a certain absolute or relative distance.
- the method or the device for carrying out the method is, however, designed in such a way that the comparison value may increase, but it cannot easily decrease again. If the actual quality value remains constant, the comparison value also remains constant. However, if the quality comparison value decreases, the comparison value does not decrease, but remains constant.
- the quality value thus drops by a certain amount, it finally falls below the quality comparison value.
- a lack of goodness is indicated.
- the comparison value is therefore always automatically adapted to the actual quality value and not a constant variable.
- One advantage is that in many cases the human being is no longer required as a constant monitor.
- reports about a lack of quality, which does not exist per se, can be largely avoided.
- a sudden drop in quality, which can cause later damage, is detected very quickly, so that appropriate measures can be initiated. It is therefore also possible to monitor a condition that is bad per se with regard to its further course.
- the threshold value is in a still acceptable qualitative state.
- the method or the device then works under the premise *.
- the condition may not be optimal. However, if it does not get worse than it is now, it can still be described as good.
- the method thus opens up new fields of application for previously existing devices for checking the quality of objects or states.
- the "GOOD" state is defined as the manually confirmed value or a better value that occurred later.
- Schemes for the method according to the invention in simplified form a measuring device working according to the method according to the invention, a modified measuring device with a microprocessor and a scheme with curves and thresholds according to the invention.
- 1 shows the curve for the course of the quality G of an object or state as a function of the time t.
- a constant comparison value GV is effective. If the constant comparison value GV is undershot at time t1, poor quality is indicated. In any case, a lack of quality is assumed if the quality G is below the comparison value GV, that is, even if the starting quality GA is already below the comparison value GV.
- the quality has the initial quality value GA at the beginning tO.
- the comparison value GV automatically adapts to this quality value and lies a distance A below the initial quality value GA.
- the actual quality increases at time t1.
- the comparison value GV now changes accordingly in such a way that the distance A with which the GV is below G remains approximately constant. If a slight drop in quality B occurs at time t2-t3, but the comparison value GV is not undercut, the quality value is still indicated as normal.
- the actual quality value G drops.
- the comparison value GV does not drop now, but remains constant.
- the corresponding device or a circuit contains means which prevent a drop in GV.
- the quality value G falls below the comparison value GV.
- a poor quality is indicated at this point in time because such a drop would very likely cause later damage.
- a constant distance A is useful for measuring tasks with a linear measured variable (for example for the fill level of a container, which may rise, but may never decrease by more than the height x). With other measured variables, logarithmic characteristic curves often result, which are accordingly taken into account better than proportion.
- FIG. 3 shows alternatively a proportional behavior of the value GV with, for example, 50% G, as is useful with logarithmic characteristics.
- the corresponding relative distance between the curves G and GV to be compared is denoted by A '.
- curve GV of the comparison value follows curve G of the actual quality only in the direction of an improvement.
- the curve G therefore intersects the curve GV with a correspondingly sharp drop in the quality at time t5.
- the comparison value GV can be reduced (set) or set such that the comparison curve GV is again at a desired distance A (FIG. 2) or A ' (FIG. 3) begins below curve G.
- the object O to be checked is connected via a measuring device M for measuring the instantaneous value to the comparator C, the output of which is connected to a display device AD, for example an indicator or a device for evaluating the information.
- the comparative value GV is also applied to the comparator C and is controlled via the or another measuring circuit M as a function of the actual quality value G of the object O. If, for example, the measurement and checking of object 0 begins, the operator can actuate a handle 1, for example a "set" key. By means of this deliberate setting or actuation, the comparison value GV can be adapted to the current quality value G of object 0.
- the device can be dimensioned such that the comparison value GV for the actual quality value is defined as a normal value by actuating the handle 1 at any time, for example by automatically comparing the comparison value GV according to FIG. 2 or 3 when the handle 1 is actuated predetermines something below the actual quality value.
- the handle 1 can thus be designed as a set key for executing a predetermined preset command and / or for setting the distance A, A '. Key 1 or another key can also be used to switch off device for an automatic update of the comparison values GV.
- a corresponding curve is labeled GVs in FIG. 6.
- Fl and F2 in FIG. 4 denote circuits, amplifiers or the like for transmitting the measured values of the functions of the instantaneous quality G and the comparison quality GV to the comparator C.
- the handle 1 or a "set" command are assigned to a memory, which subtracts an adjustable and functionally influenceable base amount from the measured instantaneous value G.
- the memory is dimensioned such that it only permits a reduction of the comparison value by means of handle 1 or a "set” command.
- the operational amplifier Fl, F2 are preferably restrictions on characteristic curves and Verstär ⁇ , for example a factor of 1, 2 or 'the like. Adjustable.
- FIG. 5 shows a modification of FIG. 4, in which a microprocessor system 2 carries out the comparison.
- 6 shows a flow chart for such a microprocessor 2.
- the statement G less than GV yes could trigger an alarm.
- the just measured "bad value” is defined as a "quality value” and used as a basis for the further measurement.
- FIG. 6 shows the curve G of the actual quality and curves of comparison values GVa and GVv according to FIGS. 2, 3 and a curve GVs (s for static) for a comparison value GVs that is not automatically adjusted.
- Curves Go and Gu are also shown in FIG. 6.
- the curves Go Gu represent a limitation of the bandwidth for the comparison value GV.
- All curves GV shown in FIG. 6 lie below the curve of the actual quality G, that is if there is a deterioration in the direction of an increase in moisture. It is but it is also possible to carry out the measurement in such a way that dehydration is detected as "worse".
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Developing Agents For Electrophotography (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Tests Of Electronic Circuits (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
- Paper (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4030108 | 1990-09-22 | ||
DE4030108A DE4030108A1 (de) | 1990-09-22 | 1990-09-22 | Verfahren zum ueberpruefen der guete eines gegenstandes oder zustandes |
PCT/EP1991/001763 WO1992005522A1 (de) | 1990-09-22 | 1991-09-17 | Verfahren zum überprüfen der güte eines gegenstandes oder zustandes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0549649A1 true EP0549649A1 (de) | 1993-07-07 |
EP0549649B1 EP0549649B1 (de) | 1994-07-20 |
Family
ID=6414809
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91916560A Expired - Lifetime EP0549649B1 (de) | 1990-09-22 | 1991-09-17 | Verfahren zum überprüfen der güte eines gegenstandes oder zustandes |
Country Status (14)
Country | Link |
---|---|
US (1) | US5372029A (de) |
EP (1) | EP0549649B1 (de) |
JP (1) | JPH06500875A (de) |
KR (1) | KR930702732A (de) |
AT (1) | ATE108921T1 (de) |
CA (1) | CA2092095A1 (de) |
CZ (1) | CZ42893A3 (de) |
DE (2) | DE4030108A1 (de) |
DK (1) | DK0549649T3 (de) |
FI (1) | FI931262A0 (de) |
HU (1) | HUT68348A (de) |
LT (1) | LTIP583A (de) |
SK (1) | SK21193A3 (de) |
WO (1) | WO1992005522A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH686378A5 (de) * | 1992-10-12 | 1996-03-15 | Rieter Ag Maschf | Maschinenverwaltungssystem. |
US5553479A (en) * | 1993-03-24 | 1996-09-10 | Flowline Inc. | Threshold level calibration method and apparatus |
US5736928A (en) * | 1995-09-01 | 1998-04-07 | Pittway Corporation | Pre-processor apparatus and method |
US7098669B2 (en) * | 2003-10-01 | 2006-08-29 | Flowline, Inc. | Depth determining system |
US9751056B2 (en) | 2012-01-23 | 2017-09-05 | Merit Medical Systems, Inc. | Mixing syringe |
US8834449B2 (en) | 2012-01-23 | 2014-09-16 | Ikomed Technologies, Inc. | Mixing syringe |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE322288B (de) * | 1967-11-17 | 1970-04-06 | Ericsson Telefon Ab L M | |
FR1599340A (de) * | 1968-03-29 | 1970-07-15 | ||
DE2212305A1 (de) * | 1972-03-14 | 1973-09-20 | Siemens Ag | Schaltungsanordnung zur darstellung eines toleranzschemas und einer bildkurve auf der schreibflaeche eines zwei-koordinaten-sicht- oder -registriergeraetes |
US3995478A (en) * | 1972-06-09 | 1976-12-07 | Industrial Nucleonics Corporation | Plural interrelated set point controller |
FR2404881A1 (fr) * | 1977-10-03 | 1979-04-27 | Commissariat Energie Atomique | Procede et dispositif de detection de presence d'un phenomene physique |
DE3127324A1 (de) * | 1981-07-10 | 1983-01-27 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und anordnung zur erhoehung der ansprechempfindlichkeit und der stoersicherheit in einer gefahren-, insbesondere brandmeldeanlage |
JPS59154321A (ja) * | 1983-02-22 | 1984-09-03 | Toshiba Mach Co Ltd | モニタリングデ−タ表示装置 |
DE3624119A1 (de) * | 1986-07-17 | 1988-01-21 | Rhein Westfael Elect Werk Ag | Vorrichtung zur simulation des betriebes einer druckwasserreaktoranlage |
DE3624419A1 (de) * | 1986-07-19 | 1988-01-28 | Staudacher Horst | Vorrichtung zur objektkontrolle |
US5084825A (en) * | 1988-03-07 | 1992-01-28 | Bct Spectrum Inc. | Process control with guard band and fault limit |
DE3808128A1 (de) * | 1988-03-11 | 1989-09-28 | Wiedemann Gert Dipl Ing Fh | Verfahren zur automatischen erarbeitung von grenzwerten und deren kombination bei der objektiven geraeuschpruefung durch iterative klassierung |
US5084696A (en) * | 1991-01-24 | 1992-01-28 | Aritech Corporation | Signal detection system with dynamically adjustable detection threshold |
US5161405A (en) * | 1991-06-03 | 1992-11-10 | Ford New Holland, Inc. | Clutch pedal positon sensor continuous calibration |
-
1990
- 1990-09-22 DE DE4030108A patent/DE4030108A1/de active Granted
-
1991
- 1991-09-17 JP JP3515229A patent/JPH06500875A/ja active Pending
- 1991-09-17 SK SK21193A patent/SK21193A3/sk unknown
- 1991-09-17 CA CA002092095A patent/CA2092095A1/en not_active Abandoned
- 1991-09-17 DE DE59102289T patent/DE59102289D1/de not_active Expired - Lifetime
- 1991-09-17 DK DK91916560.5T patent/DK0549649T3/da active
- 1991-09-17 KR KR1019930700856A patent/KR930702732A/ko not_active Application Discontinuation
- 1991-09-17 WO PCT/EP1991/001763 patent/WO1992005522A1/de not_active Application Discontinuation
- 1991-09-17 AT AT91916560T patent/ATE108921T1/de not_active IP Right Cessation
- 1991-09-17 EP EP91916560A patent/EP0549649B1/de not_active Expired - Lifetime
- 1991-09-17 HU HU9300200A patent/HUT68348A/hu unknown
- 1991-09-23 US US07/764,326 patent/US5372029A/en not_active Expired - Fee Related
-
1993
- 1993-03-17 CZ CZ93428A patent/CZ42893A3/cs unknown
- 1993-03-22 FI FI931262A patent/FI931262A0/fi not_active Application Discontinuation
- 1993-05-31 LT LTIP583A patent/LTIP583A/xx not_active Application Discontinuation
Non-Patent Citations (1)
Title |
---|
See references of WO9205522A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP0549649B1 (de) | 1994-07-20 |
DK0549649T3 (da) | 1994-11-14 |
KR930702732A (ko) | 1993-09-09 |
ATE108921T1 (de) | 1994-08-15 |
DE4030108C2 (de) | 1993-07-01 |
US5372029A (en) | 1994-12-13 |
SK21193A3 (en) | 1993-07-07 |
JPH06500875A (ja) | 1994-01-27 |
CZ42893A3 (en) | 1993-07-14 |
LTIP583A (en) | 1994-12-27 |
FI931262A (fi) | 1993-03-22 |
HUT68348A (en) | 1995-06-28 |
DE4030108A1 (de) | 1992-04-02 |
DE59102289D1 (de) | 1994-08-25 |
HU9300200D0 (en) | 1993-04-28 |
FI931262A0 (fi) | 1993-03-22 |
WO1992005522A1 (de) | 1992-04-02 |
CA2092095A1 (en) | 1992-03-23 |
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