WO2005091094A1 - Title: verfahren zur verarbeitung eines signals - Google Patents
Title: verfahren zur verarbeitung eines signals Download PDFInfo
- Publication number
- WO2005091094A1 WO2005091094A1 PCT/EP2005/051156 EP2005051156W WO2005091094A1 WO 2005091094 A1 WO2005091094 A1 WO 2005091094A1 EP 2005051156 W EP2005051156 W EP 2005051156W WO 2005091094 A1 WO2005091094 A1 WO 2005091094A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- unit
- units
- target
- variable
- conversion
- Prior art date
Links
Classifications
-
- 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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/408—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by data handling or data format, e.g. reading, buffering or conversion of data
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/35—Nc in input of data, input till input file format
- G05B2219/35563—Use of conversion tables
Definitions
- the invention relates to a method for processing at least one signal of an industrial plant that represents a physical output variable.
- signals are continuously generated during the industrial process and sent to an evaluation unit.
- the signals provide information about the properties that characterize the plant process. These are, for example, the temperature of a plant component or of a piece of equipment or other fluids, the speed of a shaft, the length of the feed path of a processing machine, etc.
- the signals emitted by the industrial plant therefore reflect a physical output variable. This is composed of a value, for example the speed value, and a physical unit.
- the basic physical quantity is generally understood to mean the properties of a physical and chemical nature that characterize a plant process.
- the object of the invention is to simplify the determination of a derived target variable from a physical output variable.
- the object is achieved according to the invention by a method for processing at least one signal of an industrial plant, which reproduces a physical output variable.
- An output signal is determined or calculated from the output variable, which is composed of a value and a unit, which reproduces a derived physical target variable, which in turn consists of a value and a corresponding target unit.
- To determine the target variable an automatic conversion of the unit of the output variable into the target unit of the target variable is provided.
- the automatic conversion and determination of the unit of the target quantity eliminates a source of error.
- the probability of errors is reduced.
- the target variable and the output variable can be based on the same type of unit, for example a length dimension. In the simplest case, therefore, only the output variable is converted into another unit.
- the conversion can also be based on very complex calculations in which a large number of output variables, constants and other parameters are used to determine the target variable.
- the conversion into the target unit is carried out with the aid of a table in which the conversion parameters necessary for the conversion of the units in question are stored. Since the conversion is based on a universal table, i.e. a single table that is used equally for all units, the automatic determination of the target unit is independent of the specific individual case and can therefore be used easily and inexpensively for any requirements.
- the units are broken down into SI basic units. This measure ensures simple and reliable conversion via the path of the SI base units, to which all units can be traced.
- the conversion can take place in any direction, for example from a non-SI unit to an SI unit or vice versa, from a non-SI unit to another non-SI unit or to an SI derived from the SI base units -Unit.
- Such an SI unit, which is derived from SI base units is, for example, the unit Newton N, which can be broken down into the SI base unit kilograms kg, meters m and seconds s.
- the various units are expediently arranged one below the other in a column of the table, and the parameters required for the division into SI basic units are listed in columns in the row for the respective unit.
- any physical unit can be broken down and converted into the assigned SI base unit using the table, for example miles in meters, Celsius in Kelvin etc.
- all physical quantities can be converted into SI base units.
- the units of the physical variables entering the calculation formula are each converted into SI basic units and the target variable is specified in the desired target unit.
- This target unit can be sis units deviate and be a derived SI unit or a non-SI unit. Depending on the desired form of presentation, the user can therefore specify the target unit and thus the desired output format.
- the calculation formula is entered by the operating personnel, in particular for diagnostic and monitoring purposes. This can be done once, so that the formula can always be used for future diagnoses. Alternatively, a suitable calculation formula is entered manually by the operating personnel in each individual case. By manually entering the calculation formula, a very flexible evaluation of the output variables is made possible. At the same time, the automatic determination of the target unit reduces a source of error, namely the selection of the wrong unit.
- a plausibility check is carried out on the basis of the automatically determined target unit as to whether the calculation formula entered by the operating personnel can be correct.
- the physical quantities included in the calculation formula are broken down into their SI base units, so that the target unit is at least initially in SI base units.
- this target unit determined on the basis of the calculation formula is a sensible unit and is, for example, stored in the table. If it is not stored, an error signal is generated.
- the user specifies the desired target unit and it is automatically checked whether the target unit broken down into Si base units matches the SI base units determined using the calculation formula.
- the target size that is to say the calculated value, together with the target unit
- a specified standard for example, whether the representation is in the power of ten notation or by suitable SI prefixes.
- a length dimension for example, it can be preset that millimeters are represented as "mm” or also as "10 ⁇ 3 m”.
- a table is preferably also stored, from which the assignment between the powers of ten and the Sl prefixes and, if appropriate, the usual names can be found.
- the described automatic conversion of the units for a mobile diagnostic and evaluation system is preferably used, with the aid of which the signal in question is read out during the ongoing operation of an industrial process and the output variable is generated with the desired target unit.
- the automatic determination of the target units is explained with the aid of a particularly mobile diagnostic or evaluation system 2, which is temporarily connected to an industrial system 4.
- the automatic determination of the target unit is not limited to this application.
- a physical quantity is, for example, the rotational speed of a shaft Amount of a supply current or a supply voltage, the temperature of a workpiece, a device or other fluid, the concentration of a substance etc.
- the mobile diagnostic or evaluation system 2 is connected to the system process. Specifically, the evaluation system 2 picks up the signal S (A) and transmits it to an evaluation unit 8 of a data processing device (computer) 10. This is connected to an input device 12 and to an output unit 14.
- the specifications determined via the input device 12 are transmitted to the evaluation unit 8 as a calculation specification for the treatment and conversion of the output variable A.
- These specifications can represent simple instructions or even complex sequence programs in which a calculation formula for converting the initial variable into the target variable is implemented, if necessary, using further variables.
- the evaluation unit 8 continues to call up information from a table stored in a data memory 18 to determine the target variable Z.
- the evaluation unit 8 determines the target variable Z and outputs an output signal S (Z) to the downstream output unit 14, on which the target variable Z [ZE] in the desired target unit [ ZE] is output.
- the output unit 14 is, for example, a monitor or a printer.
- the evaluation unit 8 automatically converts the unit of the output variable A into a target unit [ZE] of the target variable Z.
- the unit of Output variable A broken down into its SI base units, the respective value of output variable A being weighted with a conversion factor and, if appropriate, with a constant c in accordance with the conversion of the units.
- x [E] (y [SI] * f * b e + c) * ⁇ i [SI] i e [SI] i
- y [SI] denotes the value in the SI base unit
- f a factor
- c is a constant which, for example, specifies a shift or an offset for the conversion between two units.
- a product of the SI base units for determining the correct base unit representation is formed according to Ili [SI] i [SI] i, i is a running index for table columns, the base units in the column header and the respective ones in the rows Exponents to the base units are shown.
- the individual parameters listed in the above formula are stored in the table for all, at least for all units of interest. An example of such a table is shown below. The table shows different units line by line and their breakdown into SI base units.
- the first column shows the type of physical quantity
- the second column specifies the commonly used formula symbol
- the third column shows the short description of the unit
- the other columns list the individual parameters for the breakdown into the SI basic units .
- One column each is provided for the factor f, the base b, the exponent e and the constant c.
- the formula symbol of the SI base units and the respectively assigned SI base unit are listed in the column header.
- the exponents with which the respective SI base unit must be weighted in order to obtain the correct SI base unit representation are then listed.
- any units can be broken down into their SI basic units.
- this universal table can be used to easily and automatically create the desired target unit [ZE] from any output unit, whether this is an SI base unit, a SI unit derived from it or a non-SI -Unit is because all units can be reduced and mapped to the SI base units in the manner shown in the formula.
- the automatic conversion to the desired target unit simplifies the process considerably, since complex conversions between different units may have to be taken into account. It is therefore possible in a simple manner to specify a physical quantity, for example in accordance with different country standards in different starting units. Furthermore, the automatic conversion is a considerable work support for the diagnostic personnel if, for example, the output variables A are not displayed in SI units due to the country-specific settings.
- the automatic determination of the target unit also enables a plausibility check in a particularly simple manner.
- the evaluation system 2 thus checks whether the determined target unit [ZE] actually corresponds to a known physical quantity. If this is not the case, a corresponding error message is output, for example, on the output unit 14.
- This tool therefore provides a simple plausibility check for checking calculation forms.
- This system also enables standardized output of the target variable in a simple manner.
- the user specifies the desired output format, for example whether certain units are to be used for certain country groups or whether the power of ten representation or, alternatively, a resolution for the power of ten characterizing the SI unit should be selected. For the latter, the following further table is preferably stored in the data memory 18, in which the power of ten, the short name assigned to the power of ten and the character are listed as lines for the SI unit.
Landscapes
- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
- General Factory Administration (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007503340A JP2007529801A (ja) | 2004-03-15 | 2005-03-15 | 信号処理方法 |
US10/598,849 US20070198229A1 (en) | 2004-03-15 | 2005-03-15 | Method for processing a signal |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004012505.8 | 2004-03-15 | ||
DE102004012505A DE102004012505A1 (de) | 2004-03-15 | 2004-03-15 | Verfahren zur Verarbeitung eines Signals |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005091094A1 true WO2005091094A1 (de) | 2005-09-29 |
Family
ID=34962309
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/051156 WO2005091094A1 (de) | 2004-03-15 | 2005-03-15 | Title: verfahren zur verarbeitung eines signals |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070198229A1 (de) |
JP (1) | JP2007529801A (de) |
DE (1) | DE102004012505A1 (de) |
WO (1) | WO2005091094A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2278424A1 (de) * | 2009-07-21 | 2011-01-26 | Siemens Aktiengesellschaft | Verfahren zum Betrieb eines Diagnosesystems für ein Kraftfahrzeug und Diagnosesystem zur Ausführung des Verfahrens |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4444214A1 (de) * | 1994-12-13 | 1996-06-27 | Franzen Jochen Dr | Verfahren und Vorrichtung zum Rechnen mit physikalischen Größen |
DE19856289A1 (de) * | 1998-12-07 | 2000-06-08 | Peter Renner | Zustandsorientierte Instandhaltung |
EP1363175A1 (de) * | 2002-05-17 | 2003-11-19 | Siemens Aktiengesellschaft | Automatisierungssystem oder Diagnosegerät für eine oder mehrere Anlagekomponenten sowie Verfahren zu dessen Betrieb |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2446795A1 (de) * | 1974-10-01 | 1976-04-15 | Georg Dr Ing Kirchenmayer | Umrechnungsblatt |
US4092523A (en) * | 1976-08-16 | 1978-05-30 | Paul Tava | Conversion calculator |
DE2755407A1 (de) * | 1977-12-13 | 1979-06-21 | Labora Mannheim Gmbh | Kleinrechengeraet |
DE3750135T2 (de) * | 1987-04-23 | 1994-12-08 | Oce Nederland Bv | Textverarbeitungssystem und -verfahren zur Prüfung des richtigen und folgerichtigen Gebrauchs von Einheiten und chemischen Formeln in einem Textverarbeitungssystem. |
DE29521924U1 (de) * | 1995-11-24 | 1998-10-15 | Prüftechnik Dieter Busch AG, 85737 Ismaning | Vorrichtung zum Erzeugen und Verarbeiten von Meßsignalen |
JP2001154729A (ja) * | 1999-11-25 | 2001-06-08 | Hitachi Ltd | プロセス制御装置 |
DE10025260B4 (de) * | 2000-05-22 | 2004-11-25 | Conti Temic Microelectronic Gmbh | Verfahren zur Detektion von Überrollvorgängen bei Kraftfahrzeugen mit Sicherheitseinrichtungen |
JP2001356814A (ja) * | 2000-06-13 | 2001-12-26 | Toyota Industries Corp | エネルギー管理システム及びエネルギー消費管理方法 |
DE10041892A1 (de) * | 2000-08-25 | 2002-03-07 | Truetzschler Gmbh & Co Kg | Vorrichtung an einer Regulierstrecke für Faserbänder zum direkten Ermitteln von Einstellwerten für den Reguliereinsatzpunkt |
JP2002304201A (ja) * | 2001-04-05 | 2002-10-18 | Mitsubishi Electric Corp | センサ処理ユニット、コントローラ、センサおよびセンサ処理システム |
JP2002312153A (ja) * | 2001-04-16 | 2002-10-25 | Mitsubishi Electric Corp | 画面データ単位系切替え方法及び画面データ単位系切替え用プログラム |
JP2003323413A (ja) * | 2002-05-01 | 2003-11-14 | Hiroshi Tsuchida | 単位操作機能を持つ数式演算処理プログラム |
-
2004
- 2004-03-15 DE DE102004012505A patent/DE102004012505A1/de not_active Ceased
-
2005
- 2005-03-15 WO PCT/EP2005/051156 patent/WO2005091094A1/de active Application Filing
- 2005-03-15 US US10/598,849 patent/US20070198229A1/en not_active Abandoned
- 2005-03-15 JP JP2007503340A patent/JP2007529801A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4444214A1 (de) * | 1994-12-13 | 1996-06-27 | Franzen Jochen Dr | Verfahren und Vorrichtung zum Rechnen mit physikalischen Größen |
DE19856289A1 (de) * | 1998-12-07 | 2000-06-08 | Peter Renner | Zustandsorientierte Instandhaltung |
EP1363175A1 (de) * | 2002-05-17 | 2003-11-19 | Siemens Aktiengesellschaft | Automatisierungssystem oder Diagnosegerät für eine oder mehrere Anlagekomponenten sowie Verfahren zu dessen Betrieb |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2278424A1 (de) * | 2009-07-21 | 2011-01-26 | Siemens Aktiengesellschaft | Verfahren zum Betrieb eines Diagnosesystems für ein Kraftfahrzeug und Diagnosesystem zur Ausführung des Verfahrens |
Also Published As
Publication number | Publication date |
---|---|
US20070198229A1 (en) | 2007-08-23 |
JP2007529801A (ja) | 2007-10-25 |
DE102004012505A1 (de) | 2005-10-13 |
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