Abstract: A management system for controlling a wind turbine according to prescribed rules and a safety system, separate from the management system, for monitoring the wind turbine on the basis of operational characteristic values, wherein the safety system transfers the wind turbine to a safe plant state independently of the management system if safety-critical operational characteristic values violate safety parameters stored in the safety system, in order to change at least one safety parameter stored in the safety system a parameter block comprising the at least one safety parameter and at least two safety features is supplied to the safety system and accepted by the safety system only after a positive check on the safety features, wherein the check on at least one of the safety features requires comparison against check information available directly on the wind turbine.

Abstract: A method of operating a wind energy installation wherein a rotor has a first rotor blade which can be angularly adjusted, a first adjustment drive for adjusting the rotor blade, and a safety control system. In a normal mode of operation, the first adjustment drive is supplied with energy from a source and is controlled by a first pitch control system. In a failure mode of operation, the supply of energy to the first adjustment drive is switched from the source to an energy storage device and the safety control system monitors a position and/or movement of the first rotor blade. The first rotor blade is adjusted by the first adjustment drive in a direction of a predetermined stopping position, while the safety control system, as a function of the monitored position and/or movement, enables or effects a deactivation of a first power supply shut-off device.

Abstract: A method of operating a wind energy installation having a rotor with at least one rotor blade that is angularly adjustable by an adjustment drive. In response to the occurrence of at least one special operating case, in particular at least one malfunction case, the rotor blade is adjusted in a direction of a shutdown position by the adjustment drive. In the shutdown position, a supply of energy from an energy storage device to the adjustment drive is switched off and/or a pitch brake for holding the rotor blade in its current position is closed. In response to at least one activation signal, the rotor blade is adjusted by the adjustment drive in an adjustment mode of operation while the special operating case is still ongoing, in particular while the malfunction case is still ongoing.

Abstract: A wind energy installation includes a rotor with a first rotor blade that is angularly adjustable, a first adjustment drive for adjusting the first rotor blade, a safety control device/system, a first reversing device for supplying energy to the first adjustment drive from an energy source via the first reversing device to adjust the first rotor blade in a first direction and to adjust the first rotor blade in a second direction opposite to the first direction. A second reversing device can be switched over by the safety control device/system for supplying energy to the first adjustment drive from an energy storage device in a first special mode of operation via the second reversing device in a first switching position to adjust the first rotor blade in the first direction and in a second switching position to adjust the first rotor blade in the second direction.

Abstract: A method of operating a wind energy installation wherein a rotor has a first rotor blade which can be angularly adjusted, a first adjustment drive for adjusting the rotor blade, and a safety control system. In a normal mode of operation, the first adjustment drive is supplied with energy from a source and is controlled by a first pitch control system. In a failure mode of operation, the supply of energy to the first adjustment drive is switched from the source to an energy storage device and the safety control system monitors a position and/or movement of the first rotor blade. The first rotor blade is adjusted by the first adjustment drive in a direction of a predetermined stopping position, while the safety control system, as a function of the monitored position and/or movement, enables or effects a deactivation of a first power supply shut-off device.

Abstract: A method of operating a wind energy installation having a rotor with at least one rotor blade that is angularly adjustable by an adjustment drive. In response to the occurrence of at least one special operating case, in particular at least one malfunction case, the rotor blade is adjusted in a direction of a shutdown position by the adjustment drive. In the shutdown position, a supply of energy from an energy storage device to the adjustment drive is switched off and/or a pitch brake for holding the rotor blade in its current position is closed. In response to at least one activation signal, the rotor blade is adjusted by the adjustment drive in an adjustment mode of operation while the special operating case is still ongoing, in particular while the malfunction case is still ongoing.

Abstract: A method, computer system, and computer program product for distributing a composite application is provided. The composite application includes several components, and is adapted to be distributed on multiple systems implementing runtime environments. The components have associated distribution descriptors. The distribution descriptors specify requirements for the at least one target runtime environment. The method includes selecting a composite application from a code asset repository and upon the selection of the composite application, creating a distributing workflow by a distributing unit. The distributing workflow includes a configuration. The configuration specifies the at least one target runtime environment. The method further includes executing the distributing workflow. The executing can include evaluating the distribution descriptor of each component according to the configuration, based on the evaluating, creating a distribution script for each component, and executing the distribution scripts.

Abstract: The invention relates to a method for operating a wind turbine, a wind turbine designed to perform this method and a corresponding computer program product.

Abstract: A method, computer system, and computer program product for distributing a composite application is provided. The composite application includes several components, and is adapted to be distributed on multiple systems implementing runtime environments. The components have associated distribution descriptors. The distribution descriptors specify requirements for the at least one target runtime environment. The method includes selecting a composite application from a code asset repository and upon the selection of the composite application, creating a distributing workflow by a distributing unit. The distributing workflow includes a configuration. The configuration specifies the at least one target runtime environment. The method further includes executing the distributing workflow. The executing can include evaluating the distribution descriptor of each component according to the configuration, based on the evaluating, creating a distribution script for each component, and executing the distribution scripts.

Abstract: A method for distributing a content container to a user device may be provided. The method comprises creating target web content in a web content management system, packaging the target web content into the content container, and offering the target web content in the content container for downloading to the user device. The target web content comprises event rules adapted for changing rendered content displayed at interpretation time of the target web content without a connection between the user device and the content management system, multiple variations of the target web content adapted for personalizing the rendered target web content offline, wherein the personalization comprises determining which variation of the target web content is being rendered depending on an external parameter and the event rules and, a buffer for storing an interaction response of an interaction with the target web content.

Abstract: A method, computer system, and computer program product for distributing a composite application is provided. The composite application includes several components, and is adapted to be distributed on multiple systems implementing runtime environments. The components have associated distribution descriptors. The distribution descriptors specify requirements for the at least one target runtime environment. The method includes selecting a composite application from a code asset repository and upon the selection of the composite application, creating a distributing workflow by a distributing unit. The distributing workflow includes a configuration. The configuration specifies the at least one target runtime environment. The method further includes executing the distributing workflow. The executing includes evaluating the distribution descriptor of each component according to the configuration, based on the evaluating, creating a distribution script for each component, and executing the distribution scripts.

Abstract: Embodiments of the invention relate to rendering components within different browser environments. A request for a portal page is received from a client system. The portal page is aggregated by a computer and a renderer is selected based on a client system browser specific environment. A browser specific markup, provided by at least one portlet, is transmitted from the renderer to the client system.

Abstract: Embodiments of the invention relate to rendering components within different browser environments. A request for a portal page is received from a client system. The portal page is aggregated by a computer and a renderer is selected based on a client system browser specific environment. A browser specific markup, provided by at least one portlet, is transmitted from the renderer to the client system.

Abstract: The present invention provides a method, system, and computer program product for efficiently serializing navigational state into URLs or the header of the new portal page by using a complete stream-based serialization. The inventive serialization is divided into two sub-processes which are both stream-based. The first stream-based serialization sub-process which is hierarchy-oriented uses the hierarchical object representation of the navigational state and transforms it into a series of events. The events serve as the input for various strategies for compacting information that is associated with these events. At the end of the sub-process the compacted navigational state information carried by the received events is transformed into a character-based representation and the hierarchical structure of the navigational state is derived from the order of the received events and transformed into an additional character-based representation both being directly streamed to the second sub-process.

Abstract: A method for differential rendering a portal page that includes a plurality of page elements (10, 12, 14) and refreshing the portal page. The method includes providing a complete portal page (20, 22). A request for the portal page is then sent and/or received (28). The request can represent user events. In a next step, page elements (10, 12, 14) of the portal page to be updated are identified (30, 31) on the basis of the user events. A page delta is then calculated (32), wherein each page element (10, 12, 14) is associated with a refresh policy depending on the semantics of the respective page element (10, 12, 14). The page delta can include the markup elements of the page elements to be updated. Next the page delta is transferred (34) to the existing portal page and merged (40) with the existing portal page.

Abstract: The present invention provides a method and system for efficiently handling navigational state by separating the latest navigational state into a base navigational state part and a delta navigational state part. The base navigational state which describes that part of the latest navigational state that is identical across all URLs is encoded in the header of the page markup to be submitted to the client's browser. The delta navigational part that describes the semantics of that specific URL is encoded in its associated URL. Each user interaction using such URL causes the browser to submit the base part as well as the delta part. On the server side the base and delta part are being merged resulting in new navigation state serving as a base for the rendering of the new page. The navigational state is represented as a hierarchical tree-like structure that can be serialized efficiently and compressed by prior art compression techniques.

Abstract: A method for constructing pageflows by analyzing multiple clickstreams traversed by a user involves analyzing stored navigation interactions of a user to identify segments comprising interconnected nodes sequentially traversed by the user in a single navigation path during a session and to distinguish segments comprising nodes unrelated to other nodes traversed during the session and generating and storing a pageflow consisting of a list of semantically related nodes sequentially traversed by the user at least a pre-determined number of times in a single navigation path during the session based on an analysis of the stored navigation interactions of the user for the clickstream session. The stored pageflow is displayed for the user by a pageflow navigator, and the user is prompted with options to select and recall sequences of nodes from the pageflow and/or to transform the pageflow into an XML structure for export.

Abstract: A method for graphical visualization of multiple clickstreams traversed by a user that involves initiating a clickstream session in response to a user log-in and intercepting and storing all navigation interactions of the user during the clickstream session by a clickstream recorder component. In response to the user's request, the stored navigation interactions of the user for the clickstream session are analyzed by a clickstream analyzer to identify segments comprising interconnected nodes sequentially traversed by the user in a single navigation path during the session and to distinguish segments comprising nodes unrelated to other nodes traversed during the session. A graphic depiction of the identified segments comprising the interconnected nodes sequentially traversed by the user in a single navigation path during the session is presented to the user by a clickstream visualizer.

Abstract: An event to initialize a portlet palette within a user interface having an open portal to which the portlet palette is associated can be detected. The portlet palette can be a user interface control that includes a portlet set of at least one portlet. The portlet palette can be configured so that a selection of a portlet from the portlet set causes the portlet to be added to the open portal. A set of portlets can be automatically determined from a set of stored portlets that are relevant to the open portal based upon previously defined programmatic rules and contextual information associated with the open portlet. The portlet palette can be dynamically populated with the determined set of portlets. The populated portlet palette can be presented within the user interface.

Abstract: This application explores the value of Web 2.0 techniques to perform adaptation based on semantic annotations. Semantic annotations are used to derive user and context models which in turn are used for performing the re-ordering of page layouts or the dynamic transformation of navigation topologies to provide a more user specific portal user interface. The semantic annotations also allow similarities and relationships to be calculated between resources and users so that additional relevant annotations and/or resources can be recommend to the user.