| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 700082000 | Backup/standby | 18 |
| 20090055002 | ARBITRATION SYSTEM FOR REDUNDANT CONTROLLERS, WITH OUTPUT INTERLOCK AND AUTOMATIC SWITCHING CAPABILITIES - An arbitration mechanism is provided for arbitrating between redundant controllers having outputs electrically connected together and provided as input to at least one device under control. The arbitration mechanism includes logic for automatically determining which controller of the redundant controllers is active controller, and a hardware output interlock for the redundant controllers to ensure that output controlled by only the active controller is enabled as input to the at least one device. The arbitration mechanism also includes logic for monitoring the active controller for failure, and upon detection of failure, for automatically switching active control to another controller of the redundant controllers transparent to the at least one device. | 02-26-2009 |
| 20100106264 | PLANT OPERATION SYSTEM - There has been a problem that, in the case where, when a plant operation control system is replaced by a backup plant operation control system, the position of an operation device differs from the position upon normal plant operation, a problem is posed while the plant is operated. There is provided an operation device position monitoring apparatus ( | 04-29-2010 |
| 20100168877 | Electronic system with component redundancy, and control chain for a motor implementing such system - An electronic system with component redundancy includes a first processing unit, connected to a first board, and a second processing unit redundant with respect to the first unit, and connected to a second board redundant with respect to the first board. Each processing unit and each board include a first communication port, the first communication ports of the first unit and of the first board, and, respectively, of the second unit and of the second board, being interconnected by a wired communication link. Each processing unit and each board include a second communication port, the second port of the first board being connected to the second port of the second unit by a wired communication link, and the second port of the second board being connected to the second port of the first unit by a wired communication link, each communication port able to be activated or deactivated by a corresponding software command. | 07-01-2010 |
| 20100222900 | MULTIPLE REDUNDANT CONTROL SYSTEM - Redundancy of control systems for a controlled object is achieved without adding complexity to the configuration so that even when failures occur in one of the control systems, the control of the system as a whole is not affected, and thus the reliability of the system as a whole can be improved. In a multiple redundant control system in which at least one controlled object is driven or controlled by a controller having a plurality of control systems that are connected to each other and that each output information of the self systems and receive input of information of the other systems, each of the control systems detects whether failures occur in the self system and the other systems, and outputs a control signal corresponding to an amount for control of the controlled object by the self control system on the basis of the result of failure detection. Then, on the basis of the control signals, a main control signal for driving or controlling the controlled object is generated by a main control signal generator. | 09-02-2010 |
| 20100280634 | REDUNDANT COMMUNICATION SYSTEM - A redundant communication system includes: a first control device which calculates a control command value of an electric power device equipped in a vehicle, and outputs first and second command signals respectively corresponding to the control command value; a second control device which controls the electric power device on the basis of one of first and second control command values respectively corresponding to the first and the second command signals received from the first control device; a primary communication line which transmits the first command signal from the first control device to the second control device; and a secondary communication line which transmits the second command signal from the first control device to the second control device, wherein the second control device comprises: a primary communication line abnormality determining unit which determines that the primary communication line is abnormal, when a non-reception state of the first command signal or an abnormality state of the first command signal continues during a predetermined period; and a control command value switching unit which selects one of the first and second control command values in a switching manner, and wherein the control command value switching unit switches the selection from the first control command value to the second control command value within the predetermined period from a start time at which the non-reception state of the first command signal or the abnormality state of the first command signal starts until a time at which the primary communication line abnormality determining unit determines that the primary communication line is abnormal. | 11-04-2010 |
| 20110087343 | ARCHITECTURE USING INTEGRATED BACKUP CONTROL AND PROTECTION HARDWARE - An electronic control configuration includes at least one secondary microprocessor operable to control a device. The at least one secondary microprocessor assumes protection control of the device responsive to a first type of failure by transmitting a protection control signal to a first effector. The at least one secondary microprocessor assumes backup control of the device responsive to a second type of failure by transmitting a backup control signal to a second effector. The backup control functionality of the at least one secondary microprocessor can be selectively disabled. | 04-14-2011 |
| 20120226367 | REDUNDANT CONTROL FOR A PROCESS CONTROL SYSTEM - Exemplary methods and systems are directed to a process control system having a main control device for controlling a primary equipment of the primary system and a backup control device for controlling the primary equipment in case of a failure of the first control device. A command redirection device for the process control system, is adapted to receive a control command destined to the main control device, and to redirect, in the event of a failure of the main control device, said control command to the backup control device. | 09-06-2012 |
| 20120310384 | SYSTEMS AND METHODS FOR IDENTIFYING FOUNDATION FIELDBUS LINKING DEVICES - Systems and methods for identifying Foundation Fieldbus linking devices are described. A pair of redundant Foundation Fieldbus linking devices may be identified by a gateway device that includes one or more computers. A single virtual address representative of the pair of redundant linking devices may then be determined by the gateway device, and information associated with operation of at least one of the pair of redundant linking devices may be provided by the gateway device to an external system. During the provision of information to the external system, the virtual address may be utilized to represent the at least one linking device. | 12-06-2012 |
| 20130079902 | MULTI-CHANNEL CONTROL SWITCHOVER LOGIC - A multi-channel control system includes at least a first primary control microprocessor and a second primary control microprocessor operable to control a device, and at least a first secondary control microprocessor and a second secondary control microprocessor operable to control the device. Each of the first and second primary control microprocessors and the first and second secondary control microprocessors are arranged as an independent control channel. | 03-28-2013 |
| 20130116804 | METHOD FOR AUTOMATICALLY TRANSFERRING A CONFIGURATION OF AN AUTOMATION DEVICE DURING REPLACEMENT OF AN AUTOMATION DEVICE - A method for automatically adopting a configuration of a first automation device on a second automation device includes storing on a removable storage medium a configuration and a unique identifier identifying the first automation device, comparing in the second automation device the stored unique identifier of the first automation device with a corresponding identifier of the second automation device, determining based on the difference between the stored unique identifier and the corresponding identifier of the second automation device whether the storage medium was previously used in a different automation device, and adopting the configuration of the first automation device on the second automation device. | 05-09-2013 |
| 20130253671 | PROCESS CONTROL SYSTEM - A process control system performing control of an industrial process implemented in a plant, may include: a network provided in the plant; a plurality of field devices connected to the network, each of the plurality of field devices is configured to perform at least one of measurement and actuation required for control of the industrial process; and a controller, connected to the network, having a virtual part configured to operate in hardware in place of hardware, and a control unit configured to operate in the virtual part and to control operations of the field devices via the network, the controller being configured to enable replacement of hardware without changing the control unit. | 09-26-2013 |
| 20130274900 | ALTERNATIVE SYNCHRONIZATION CONNECTIONS BETWEEN REDUNDANT CONTROL DEVICES - The invention relates to a redundant control system comprising an automation network with a first control device and a second control device. For data exchange, the first and the second control devices are in each case connected to the automation network via a network interface. For direct communication between each other, the first and the second control devices are connected to each other via a point-to-point connecting device. Furthermore, the first and the second control devices are designed to establish an alternative communication between each other via the automation network if the direct communication via the point-to-point connecting device is not available. The invention further relates to a method for operating such a redundant control system. | 10-17-2013 |
| 20130274901 | INDUSTRIAL AUTOMATION CONTROL SYSTEM - One or more non-transitory computer-readable storage media having program instructions stored thereon for enhancing an automation environment is provided. When executed by a processor, the program instructions direct the processor to at least identify at least a primary data verification value generated by a primary control process that provides control in an industrial automation environment, and to identify at least a secondary data verification value generated by a secondary control process associated with the primary control process. The program instructions also direct the processor to compare the primary data verification value with at least the secondary data verification value to determine if an error has occurred with respect to the primary control process. | 10-17-2013 |
| 20140330403 | METHOD FOR PREVENTING SYSTEM INVALIDATION - The present invention relates to a method for preventing system invalidation including the microcontroller transferring the specific packet to the primary electronic device which operates according to the operation commands sent from the upstream device to provide the specific service, the primary electronic device returning the return packet, the microcontroller receiving the return packet, the microcontroller determining if the return packet is returned within a preset rang, if yes, repeating the above steps, if not, activating the spare electronic device to take over the primary electronic device to provide the specific service, and shutting down power supply of the primary electronic device. Therefore, the present invention ensures the spare electronic device smoothly takes over the task of the primary electronic device which accidentally fails, thereby preventing the whole system from being invalidated and improving the stability and reliability of the system operation. | 11-06-2014 |
| 20150018983 | SECURITY, SAFETY, AND REDUNDANCY EMPLOYING CONTROLLER ENGINE INSTANCES - The claimed subject matter provides a system and/or method that facilitates employing safety within an industrial environment. An enhancing component can implement at least one of a security level, authentication, authorization, or an access right to a validated action to at least one of the controller or the controller engine instance. The enhancing component can further separate two or more entities within the industrial environment, the first entity related to process control and the second entity related to process safety. Additionally, the enhancing component can employ at least one of a backup controller or a backup controller engine instance in the event of at least one of a software error or a hardware error within the industrial environment. | 01-15-2015 |
| 20150073570 | Method and System for Controller Transition - It is described a method for transition of control from a first controller ( | 03-12-2015 |
| 20160147199 | INFORMATION EQUIPMENT, CONTROL APPARATUS AND CONTROL METHOD - An information equipment | 05-26-2016 |
| 20160154403 | Redundant Automation System and Method for Operation Thereof | 06-02-2016 |
