CA2354385A1 - Distributed control system and system component for such a system - Google Patents
Distributed control system and system component for such a system Download PDFInfo
- Publication number
- CA2354385A1 CA2354385A1 CA002354385A CA2354385A CA2354385A1 CA 2354385 A1 CA2354385 A1 CA 2354385A1 CA 002354385 A CA002354385 A CA 002354385A CA 2354385 A CA2354385 A CA 2354385A CA 2354385 A1 CA2354385 A1 CA 2354385A1
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- CA
- Canada
- Prior art keywords
- configuration unit
- component
- components
- system components
- control system
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- 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.)
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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
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to a distributed control system made up of system components (1, 2, 3) containing information on the position thereof in the form of component-specific data representing spatial co-ordinates in a memor y (11, 12, 13). Said components transmit information on their position via a communications channel (5) to a configuration unit (4). The component-specif ic data of the individual system components (1, 2, 3) is assigned to the configured components by means of a layout plan according to a tube and layo ut scheme. A physical address is distributed in each case, whereby a simple and error-protected configuration is provided. The invention is used in process apparatuses.
Description
Description Distributed Control System and System Component for such a System The invention relates to a distributed control system, particularly for implementing an automation system, in accordance with the preamble of Claim 1, and a system component for such a system in accordance with the preamble of Claim 5.
DE 196 24 929 A1 discloses a distributed control system in which sensors and actuators are connected by a bus system as a communications channel to a configuration unit in which an operator and monitoring interface is generated. Several possibilities for configuration and startup of the distributed control system are defined. A technically simple but costly and flawed option is first to program the system components individually and, separately therefrom, by means of the configuration unit, to prepare a layout plan, which contains information on the function and the position of the components within the system. To reduce the programming cost it is proposed to provide each of the system components with a memory for component specific data. In this memory, the corresponding function of the system components can be stored, for instance controllers and their integration in the automation system. Said integration is described by the addresses of other system components with which the respective component interacts. In the case of a controller, these are the addresses of the setpoint generator and the actual value sensor from which the controller receives its input values, as well as the address of the actuator, which is controlled by the controller. This component specific data is transmitted by the system components via the data bus to the configuration unit, which uses said data to generate an operator and monitoring interface automatically. The drawback is that programming of the individual system components is relatively costly.
US Patent 5,519,878 proposes another distributed control system. To implement the distributed control system, a configuration unit requests a unique identifier for a system component prior to installation of that system component. This unique identifier is printed out as a barcode on an adhesive label, which is then affixed on site at the position of the system component to a layout plan in paper form, which reflects the spatial position of the system components within the system. The configuration unit is equipped with a display screen to display the layout plan and with a reading device to read in the barcode automatically. The barcode, which reflects the unique identifier of a system component, is automatically read in by the reading device, and by means of the displayed layout plan is assigned to the corresponding position of the system component in the graphic display. The identifiers of the individual system components are used to configure a network, which interconnects the system components for data transmission. The drawback is that affixing the adhesive labels on site to the layout plan in paper form and assigning the unique identifiers to the individual system components in a graphic display of the system on a display screen must be done manually and is therefore subject to errors.
The object of the invention is to create a distributed control system and a system component for such a system, which can be configured in a simple manner and with improved reliability.
DE 196 24 929 A1 discloses a distributed control system in which sensors and actuators are connected by a bus system as a communications channel to a configuration unit in which an operator and monitoring interface is generated. Several possibilities for configuration and startup of the distributed control system are defined. A technically simple but costly and flawed option is first to program the system components individually and, separately therefrom, by means of the configuration unit, to prepare a layout plan, which contains information on the function and the position of the components within the system. To reduce the programming cost it is proposed to provide each of the system components with a memory for component specific data. In this memory, the corresponding function of the system components can be stored, for instance controllers and their integration in the automation system. Said integration is described by the addresses of other system components with which the respective component interacts. In the case of a controller, these are the addresses of the setpoint generator and the actual value sensor from which the controller receives its input values, as well as the address of the actuator, which is controlled by the controller. This component specific data is transmitted by the system components via the data bus to the configuration unit, which uses said data to generate an operator and monitoring interface automatically. The drawback is that programming of the individual system components is relatively costly.
US Patent 5,519,878 proposes another distributed control system. To implement the distributed control system, a configuration unit requests a unique identifier for a system component prior to installation of that system component. This unique identifier is printed out as a barcode on an adhesive label, which is then affixed on site at the position of the system component to a layout plan in paper form, which reflects the spatial position of the system components within the system. The configuration unit is equipped with a display screen to display the layout plan and with a reading device to read in the barcode automatically. The barcode, which reflects the unique identifier of a system component, is automatically read in by the reading device, and by means of the displayed layout plan is assigned to the corresponding position of the system component in the graphic display. The identifiers of the individual system components are used to configure a network, which interconnects the system components for data transmission. The drawback is that affixing the adhesive labels on site to the layout plan in paper form and assigning the unique identifiers to the individual system components in a graphic display of the system on a display screen must be done manually and is therefore subject to errors.
The object of the invention is to create a distributed control system and a system component for such a system, which can be configured in a simple manner and with improved reliability.
To attain this object, the novel distributed control system of the initially mentioned type has the features set forth in the characterizing part of Claim 1. Advantageous embodiments of the distributed control system and a system component suitable for such a distributed control system are set forth in the remaining claims.
The invention has the advantage that the transmission of the position of the individual system components as component specific data representing the spatial coordinates provides unique identifiability of the system components by means of said data as an identifier. Allocation of identical component specific data to two different system components is not possible since the spatial coordinates always differ. This results in improved reliability during configuration. Since the spatial coordinates of the system components are transmitted to the configuration unit via the communications channel, manual multiple entry of data is also eliminated, and data consistency is thus ensured. The component specific data, which uniquely identifies the corresponding system component, permits an automatic assignment of unique addresses in the configuration unit in a simple manner.
If the system components are equipped with a unit for automatically determining their position, particularly with a GPS (General Positioning System) receiver, no operator time at all is involved in determining the spatial coordinates. In other words, a possibly flawed manual entry is completely eliminated. In cases where the costs of equipping a system component with such a device are prohibitive, the system component, in an inexpensive embodiment and at little cost, can be provided with a device for entering its position. In this case, the data can be entered manually or by data transmission via an interface. The spatial coordinates are advantageously determined automatically by a portable device, which can again contain a GPS receiver.
Advantageously, the configuration unit can be provided with means for preparing a layout plan, which contains information on the spatial position of the system components in the manner of a piping and installation diagram. If, in addition, the configuration unit is designed to allocate a unique physical address on the communications channel to a system component whose position it received as component specific data and to transmit this address to the system component, the unique identification of the system components through their spatial coordinates can advantageously be used for the allocation of unique addresses.
Programming or setting the addresses in the individual components or in the configuration unit is thus not required. Coding the address thus generated by the configuration unit requires a smaller volume of data than coding the spatial position. For communication during subsequent operation, shorter addresses can thus advantageously be used.
The invention and its embodiments and advantages will now be described in greater detail with the aid of the figure, which depicts an exemplary embodiment of the invention.
The figure shows a distributed control system with system components 1, 2 and 3 and with a configuration unit 4, which are interconnected for data transmission via a bus 5 as a communications channel. For communication, a corresponding communications device 18, 6, 7 or 8 is integrated as part of the system components 1, 2 and 3 and the configuration unit 4. The system components 1, 2 and 3 can, for instance, be an actual value sensor, a controller, or an actuator. Unit 4 serves to configure the communication between the individual components. It can be implemented by a powerful personal computer, on which a suitable program is installed as a software tool for preparing a piping and installation diagram as a layout plan, which contains information on the function and the spatial position of the components within the system. The layout plan can be displayed on a display screen 9 of the configuration unit 4. The entries required to prepare the layout plan can be made by means of a keyboard 10. The system components 1, 2 and 3 respectively contain a memory 11, 12 or 13 for component specific data. Component specific data stored in the memories 1 l, 12 and 13 is data representing the spatial coordinates of the corresponding system component 1, 2 or 3.
Other component specific data can be the function name, i.e., for instance, actual value sensor, controller, or actuator, the physical bus address, the integration in the distributed control system, information on the corresponding device type, the manufacturer, or the like. A portable device 1 S is connected to the system component 1 via an interface 14, which is equipped with a device for determining the spatial position of system component 1 and which writes data representing the spatial coordinates into memory 11 of system component 1 via interface 14.
Instead of interface 14, system component 2 has an entry keyboard for manual entry of the spatial coordinates, which were previously determined, for instance, by means of a portable device 15 and were read from a display 19. System component 3 is already equipped with a device 17 for automatic position determination, so that no manual entry and no additional portable device is required to write the component specific data into memory 13. Upon system startup, system components 1, 2 and 3 each transmit a message, which contains the component specific data of memory 11, 12 or 13, to the configuration unit 4 via communications channel 5. In this phase, for instance, a predefined broadcast message can be sent to configuration unit 4. To increase availability, several configuration units can advantageously be provided on the communications channel, which suitably coordinate their activities among one another. This provides redundancy of the configuration unit 4.
Another option is to assign a predefined address for the configuration unit 4. The configuration unit 4 contains a previously prepared layout plan with information on the function and the spatial position of the components. Alternatively, the layout plan can be prepared on another device and can be entered in the configuration unit 4 via an interface (not depicted). Via the spatial coordinates, the component specific data in the messages is assigned to the components configured in the layout plan. The spatial coordinates advantageously allow a unique identification of the individual components.
Mobile devices, which are not provided with fixed coordinates in the layout plan, have a corresponding identifier in the component specific data. For such components, configuration unit 4 contains a dynamic layout plan.
The configuration unit 4 generates a physical address for each system component by means of which said component can be addressed on bus 5.
Alternatively, it is of course also possible to allocate the addresses manually. The addresses are communicated to the individual system components in corresponding reply messages. During subsequent operation of the distributed control system, only the physical addresses are used for addressing.
Device 17 for automatic determination of the position of system component 3 can, for instance, contain a GPS receiver. In cases where the receiving conditions for satellite signals are poor, e.g., due to shielding by building parts, additional GPS signal generating transmitters, which simulate the GPS, can be installed in the area of the distributed control system. This has the advantage that commercially available GPS receivers can be used without having to make costly technical modifications.
Alternatively, the individual system components can emit locating signals, which a locating system disposed in the area of the distributed control system evaluates in the manner of taking a cross bearing. The determined position coordinates are then written into the memory of the individual system components via a radio link corresponding to interface 14 or by manual entry using a keyboard 16. In the described embodiment, a bus S is used as communications channel. Essential for the invention, however, is only that the system components can be connected to a communications channel, i.e., can exchange data with one another. Communication can, for instance, be wire-bound, fiber optic, or can be effected via radio or infrared links.
The invention has the advantage that the transmission of the position of the individual system components as component specific data representing the spatial coordinates provides unique identifiability of the system components by means of said data as an identifier. Allocation of identical component specific data to two different system components is not possible since the spatial coordinates always differ. This results in improved reliability during configuration. Since the spatial coordinates of the system components are transmitted to the configuration unit via the communications channel, manual multiple entry of data is also eliminated, and data consistency is thus ensured. The component specific data, which uniquely identifies the corresponding system component, permits an automatic assignment of unique addresses in the configuration unit in a simple manner.
If the system components are equipped with a unit for automatically determining their position, particularly with a GPS (General Positioning System) receiver, no operator time at all is involved in determining the spatial coordinates. In other words, a possibly flawed manual entry is completely eliminated. In cases where the costs of equipping a system component with such a device are prohibitive, the system component, in an inexpensive embodiment and at little cost, can be provided with a device for entering its position. In this case, the data can be entered manually or by data transmission via an interface. The spatial coordinates are advantageously determined automatically by a portable device, which can again contain a GPS receiver.
Advantageously, the configuration unit can be provided with means for preparing a layout plan, which contains information on the spatial position of the system components in the manner of a piping and installation diagram. If, in addition, the configuration unit is designed to allocate a unique physical address on the communications channel to a system component whose position it received as component specific data and to transmit this address to the system component, the unique identification of the system components through their spatial coordinates can advantageously be used for the allocation of unique addresses.
Programming or setting the addresses in the individual components or in the configuration unit is thus not required. Coding the address thus generated by the configuration unit requires a smaller volume of data than coding the spatial position. For communication during subsequent operation, shorter addresses can thus advantageously be used.
The invention and its embodiments and advantages will now be described in greater detail with the aid of the figure, which depicts an exemplary embodiment of the invention.
The figure shows a distributed control system with system components 1, 2 and 3 and with a configuration unit 4, which are interconnected for data transmission via a bus 5 as a communications channel. For communication, a corresponding communications device 18, 6, 7 or 8 is integrated as part of the system components 1, 2 and 3 and the configuration unit 4. The system components 1, 2 and 3 can, for instance, be an actual value sensor, a controller, or an actuator. Unit 4 serves to configure the communication between the individual components. It can be implemented by a powerful personal computer, on which a suitable program is installed as a software tool for preparing a piping and installation diagram as a layout plan, which contains information on the function and the spatial position of the components within the system. The layout plan can be displayed on a display screen 9 of the configuration unit 4. The entries required to prepare the layout plan can be made by means of a keyboard 10. The system components 1, 2 and 3 respectively contain a memory 11, 12 or 13 for component specific data. Component specific data stored in the memories 1 l, 12 and 13 is data representing the spatial coordinates of the corresponding system component 1, 2 or 3.
Other component specific data can be the function name, i.e., for instance, actual value sensor, controller, or actuator, the physical bus address, the integration in the distributed control system, information on the corresponding device type, the manufacturer, or the like. A portable device 1 S is connected to the system component 1 via an interface 14, which is equipped with a device for determining the spatial position of system component 1 and which writes data representing the spatial coordinates into memory 11 of system component 1 via interface 14.
Instead of interface 14, system component 2 has an entry keyboard for manual entry of the spatial coordinates, which were previously determined, for instance, by means of a portable device 15 and were read from a display 19. System component 3 is already equipped with a device 17 for automatic position determination, so that no manual entry and no additional portable device is required to write the component specific data into memory 13. Upon system startup, system components 1, 2 and 3 each transmit a message, which contains the component specific data of memory 11, 12 or 13, to the configuration unit 4 via communications channel 5. In this phase, for instance, a predefined broadcast message can be sent to configuration unit 4. To increase availability, several configuration units can advantageously be provided on the communications channel, which suitably coordinate their activities among one another. This provides redundancy of the configuration unit 4.
Another option is to assign a predefined address for the configuration unit 4. The configuration unit 4 contains a previously prepared layout plan with information on the function and the spatial position of the components. Alternatively, the layout plan can be prepared on another device and can be entered in the configuration unit 4 via an interface (not depicted). Via the spatial coordinates, the component specific data in the messages is assigned to the components configured in the layout plan. The spatial coordinates advantageously allow a unique identification of the individual components.
Mobile devices, which are not provided with fixed coordinates in the layout plan, have a corresponding identifier in the component specific data. For such components, configuration unit 4 contains a dynamic layout plan.
The configuration unit 4 generates a physical address for each system component by means of which said component can be addressed on bus 5.
Alternatively, it is of course also possible to allocate the addresses manually. The addresses are communicated to the individual system components in corresponding reply messages. During subsequent operation of the distributed control system, only the physical addresses are used for addressing.
Device 17 for automatic determination of the position of system component 3 can, for instance, contain a GPS receiver. In cases where the receiving conditions for satellite signals are poor, e.g., due to shielding by building parts, additional GPS signal generating transmitters, which simulate the GPS, can be installed in the area of the distributed control system. This has the advantage that commercially available GPS receivers can be used without having to make costly technical modifications.
Alternatively, the individual system components can emit locating signals, which a locating system disposed in the area of the distributed control system evaluates in the manner of taking a cross bearing. The determined position coordinates are then written into the memory of the individual system components via a radio link corresponding to interface 14 or by manual entry using a keyboard 16. In the described embodiment, a bus S is used as communications channel. Essential for the invention, however, is only that the system components can be connected to a communications channel, i.e., can exchange data with one another. Communication can, for instance, be wire-bound, fiber optic, or can be effected via radio or infrared links.
Claims (5)
1. Distributed control system, particularly for implementing an automation system, ~ with field devices as system components (1, 2, 3), such as controllers (2), actual value sensors (1) or actuators (3), which are provided with a memory (11, 12, 13) for component specific data, ~ with a configuration unit (4) having means for entering or preparing a layout plan, which contains at least information on the position of the components (1, 2, 3) within the system, and ~ with a communications channel (5), to which the system components (1, 2, 3) and the configuration unit (4) can be connected for the mutual exchange of data, characterized in that, the system components (1, 2, 3) are designed to transmit their position as component specific data representing the spatial coordinates to the configuration unit (4), the configuration unit (4) is designed to allocate a unique physical address on the communications channel (5) to a system component (1, 2, 3) whose position it received as component specific data and to transmit said address to the system component (1, 2, 3).
2. Control system according to Claim 1, characterized in that the system components (3) are provided with a device (17) for automatically determining their position, particularly by means of a GPS receiver.
3. Control system according to Claim 1 or 2, characterized in that the system components (1, 2) have a device (14, 16) for entering their position.
4. Control system according to any one of the preceding claims, characterized in that ~ the configuration unit (4) has means for preparing a layout plan, which contains information on the spatial position of the system components (1, 2, 3) in the manner of a piping and installation diagram.
5. Field device, such as an actual value sensor (1), controller (2) or actuator (3), for a distributed control system according to any one of the preceding claims, which is provided with a memory (11, 12, 13) for component specific data and with a communications device (18, 6, 7) for connection to a communications channel (5), characterized in that the field device (1, 2, 3) is designed to transmit its position as component specific data representing the spatial coordinates to the configuration unit (4) via the communications channel (5), and to receive a unique physical address on the communications channel (5), which is assigned to the field device by the configuration unit (4).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19857649A DE19857649A1 (en) | 1998-12-14 | 1998-12-14 | Distributed control system and system component for such a system |
| DE19857649.8 | 1998-12-14 | ||
| PCT/DE1999/003956 WO2000036478A1 (en) | 1998-12-14 | 1999-12-10 | Distributed control system with determination of the position of components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2354385A1 true CA2354385A1 (en) | 2000-06-22 |
Family
ID=7891040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002354385A Abandoned CA2354385A1 (en) | 1998-12-14 | 1999-12-10 | Distributed control system and system component for such a system |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6889099B2 (en) |
| EP (1) | EP1151358B1 (en) |
| CN (1) | CN1334934A (en) |
| AT (1) | ATE278979T1 (en) |
| CA (1) | CA2354385A1 (en) |
| DE (2) | DE19857649A1 (en) |
| ES (1) | ES2229801T3 (en) |
| WO (1) | WO2000036478A1 (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010051960A1 (en) * | 2000-04-14 | 2001-12-13 | Kubick Ronald S. | Methods and systems for conducting due diligence |
| DE10039415A1 (en) | 2000-08-11 | 2002-03-07 | Siemens Ag | Method and processing system for determining the spatial structure of a control system |
| EP1233315B1 (en) * | 2001-02-19 | 2006-06-28 | Abb Research Ltd. | Method and device for configuring an electrical end apparatus |
| EP1265118A1 (en) * | 2001-06-05 | 2002-12-11 | Abb Research Ltd. | Method for monitoring the installation of a mobile device |
| DE10161401B4 (en) * | 2001-12-13 | 2012-11-08 | Endress + Hauser Gmbh + Co. Kg | Field device for determining and / or monitoring a process variable |
| DE10328906A1 (en) | 2003-06-26 | 2005-01-13 | Endress + Hauser Process Solutions Ag | field bus |
| US9910341B2 (en) | 2005-01-31 | 2018-03-06 | The Invention Science Fund I, Llc | Shared image device designation |
| US9942511B2 (en) | 2005-10-31 | 2018-04-10 | Invention Science Fund I, Llc | Preservation/degradation of video/audio aspects of a data stream |
| US10003762B2 (en) | 2005-04-26 | 2018-06-19 | Invention Science Fund I, Llc | Shared image devices |
| US20070222865A1 (en) | 2006-03-15 | 2007-09-27 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Enhanced video/still image correlation |
| DE102006020124A1 (en) * | 2006-05-02 | 2007-11-08 | Siemens Ag | Method for installing a wirelessly communicating installation system of sensors and actuators |
| DE102007020273A1 (en) * | 2007-04-30 | 2008-11-20 | Siemens Ag | Unique identification of automation components |
| EP2020778A1 (en) * | 2007-08-02 | 2009-02-04 | Daniel Dipl.-Ing. Burkhalter | Component for use in an electric and/or electronic network, network, method for configuring a network and computer program product |
| US8412922B2 (en) * | 2007-10-24 | 2013-04-02 | Sercomm Corporation | On-site configuration of a hardware device module of a security system |
| US9154379B2 (en) * | 2007-10-25 | 2015-10-06 | Sercomm Corporation | Remote configuration of a hardware device module of a security system |
| DE102009047385A1 (en) * | 2009-12-02 | 2011-06-09 | Endress + Hauser Process Solutions Ag | Method for identifying e.g. sensor, of automation system, involves generating definite position dependent identification of field devices based on detected environmental parameters, where field devices are integrated in bus systems |
| WO2012015437A1 (en) | 2010-07-30 | 2012-02-02 | Leviton Manufacturing Co., Inc. | Distributed control system operation and configuration |
| MX2013001013A (en) * | 2010-07-30 | 2013-03-07 | Leviton Manufacturing Co | Distributed control system operation and configuration. |
| TWI551830B (en) * | 2013-12-12 | 2016-10-01 | 財團法人工業技術研究院 | Controlling device and method for hvac system |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4998206A (en) * | 1988-07-29 | 1991-03-05 | The Boeing Company | Automated method and apparatus for fabricating sheet metal parts and the like using multiple manufacturing stations |
| US5519878A (en) * | 1992-03-18 | 1996-05-21 | Echelon Corporation | System for installing and configuring (grouping and node address assignment) household devices in an automated environment |
| JP3116710B2 (en) * | 1994-03-18 | 2000-12-11 | 株式会社日立製作所 | Information terminal system |
| US5586305A (en) * | 1994-10-21 | 1996-12-17 | Hewlett-Packard Company | Smart distributed measurement and control system with a flexible architecture |
| US5485161A (en) * | 1994-11-21 | 1996-01-16 | Trimble Navigation Limited | Vehicle speed control based on GPS/MAP matching of posted speeds |
| DE19514223B4 (en) * | 1995-04-15 | 2005-06-23 | Claas Kgaa Mbh | Method for optimizing the use of agricultural machinery |
| US5896292A (en) * | 1995-06-05 | 1999-04-20 | Canon Kabushiki Kaisha | Automated system for production facility |
| US5751576A (en) * | 1995-12-18 | 1998-05-12 | Ag-Chem Equipment Co., Inc. | Animated map display method for computer-controlled agricultural product application equipment |
| DE19624929C2 (en) * | 1996-06-21 | 2001-08-02 | Siemens Ag | Process automation system |
| JPH1069304A (en) | 1996-08-29 | 1998-03-10 | Mitsubishi Heavy Ind Ltd | Control system |
| DE19654122C1 (en) * | 1996-12-23 | 1998-01-29 | Friatec Keramik Kunststoff | Computer-controlled welding unit e.g. for plastics, tubes |
| KR100315912B1 (en) * | 1998-04-27 | 2002-02-19 | 윤종용 | Automation system using file server and method for controlling the same |
-
1998
- 1998-12-14 DE DE19857649A patent/DE19857649A1/en not_active Withdrawn
-
1999
- 1999-12-10 WO PCT/DE1999/003956 patent/WO2000036478A1/en active IP Right Grant
- 1999-12-10 AT AT99964425T patent/ATE278979T1/en not_active IP Right Cessation
- 1999-12-10 EP EP99964425A patent/EP1151358B1/en not_active Expired - Lifetime
- 1999-12-10 ES ES99964425T patent/ES2229801T3/en not_active Expired - Lifetime
- 1999-12-10 DE DE59910781T patent/DE59910781D1/en not_active Expired - Lifetime
- 1999-12-10 CN CN99815917A patent/CN1334934A/en active Pending
- 1999-12-10 CA CA002354385A patent/CA2354385A1/en not_active Abandoned
-
2001
- 2001-06-14 US US09/880,015 patent/US6889099B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1151358A1 (en) | 2001-11-07 |
| EP1151358B1 (en) | 2004-10-06 |
| US6889099B2 (en) | 2005-05-03 |
| ES2229801T3 (en) | 2005-04-16 |
| DE59910781D1 (en) | 2004-11-11 |
| DE19857649A1 (en) | 2000-06-15 |
| WO2000036478A1 (en) | 2000-06-22 |
| ATE278979T1 (en) | 2004-10-15 |
| US20020023188A1 (en) | 2002-02-21 |
| CN1334934A (en) | 2002-02-06 |
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