Abstract: In an embodiment, a computer implemented method comprises receiving, at an edge node in a data communications network, a plurality of digital data packets that have been received via a wireless data interface, wired data interface or data path; filtering, by the edge node, the plurality of digital data packets to produce filtered digital data packets; in the edge node, executing code for a data communications protocol in which one or more of the filtered digital data packets causes the code to transition to different states of the protocol; in the edge node, in parallel with executing the code, executing a protocol state machine comprising a plurality of states and a plurality of transitions between the states to simulate correct execution of a particular data communication protocol; detecting, by the edge node, an anomaly between a first particular state of the protocol during the execution of the code and a second particular state of the protocol state machine, and in response, generating an anomaly event c

Abstract: A method of heating a steel blank using a microwave heating furnace system for the hot stamping process includes providing a steel blank having a thickness ranging from 1 mm to 1.8 mm, pre-heating the streel blank to an initial temperature in a pre-heat chamber of the microwave heating furnace system, and directly heating the steel blank using microwave energy in a main heating zone of the microwave heating furnace system from the initial temperature to a temperature greater than 850° C. in less than 240 seconds.

Abstract: A method for controlling a renewable energy power plant comprising a plurality of wind turbine generators, the method comprising: measuring a voltage level associated with a point of interconnection between a power transmission network and the power plant; calculating a reactive power exchange limit based upon the measured voltage level; and controlling the power plant so that the calculated reactive power exchange limit is not exceeded.

Abstract: An apparatus, computer program product, and method relating to identifying and configuring an access point (AP) as a network sniffer. A network controller identifies a plurality of sniffer targets for which at least one of a plurality of sniffer candidate access points an act as a network sniffer. The controller receives a desired sniffer target. The controller selects a first AP, of the plurality of sniffer candidate APs, for use as a network sniffer, based on the identified plurality of sniffer targets and the desired sniffer target. The controller configures a radio in the first AP as a network sniffer to monitor network traffic related to the desired sniffer target.

Abstract: A method of operating a wind power plant in a weak grid environment is provided to achieve desired system stability criteria and to support an electrical grid during disturbances or faults. The wind power plant is coupled to an electrical grid, and includes a power plant controller for controlling a plurality of wind turbine generators. The method includes, when a weak grid criterion is fulfilled, setting the power plant controller to operate in a weak grid mode by providing, when a grid voltage deviates beyond a threshold voltage, a reduced active power reference to the plurality of wind turbine generators. The method further includes, when the electrical grid recovers, generating a reduced amount of active power based on the reduced active power reference.

Abstract: In various embodiments of the present disclosure, there is provided a method for increasing the reactive power capability of a wind power plant, in controlling a wind power plant. According to an embodiment, the method includes receiving a reactive power requirement from an electrical grid. The method further includes determining an active power generated by the wind power plant. According to an embodiment, the method includes checking if the reactive power requirement is satisfied by the wind power plant based on the active power generated by the wind power plant. The method further includes controlling the wind power plant to curtail the active power generated by the wind power plant by a curtailment amount when the reactive power requirement is not satisfied, and in response to a grid event. A corresponding wind power plant is further provided.

Abstract: The disclosed embodiments illustrate methods and systems for maintaining reachability information among one or more communication devices of a communication network. The method includes creating, at a first time instance, a first path-union graph, between a first and a second communication device that become unreachable from each other in the communication network. Thereafter, a reachability tree is created from the first path-union graph. The reachability tree includes a set of communication devices that are at a distance of less than a predefined path distance from the first communication device. Further, at a second time instance, a second path-union graph is created between the first communication device and a third communication device, when the third communication device becomes unreachable from the first communication device. Thereafter, the reachability tree is updated based on the second path-union graph.

Abstract: According to one embodiment of the invention, a non-transitory computer readable medium comprising instructions which, when executed by one or more hardware processors, cause performance of operations comprising entering, by a first access point associated with a wireless network, a first mode for collecting network data from one or more access points associated with the wireless network, entering, by the first access point, a second mode for transmitting data to and from one or more client devices associated with the wireless network, and when a number of access points associated with the wireless network is greater than or equal to a number of channels of the wireless network, (i) collecting, by the first access point, network data of a first channel of the wireless network and (ii) receiving, by the first access point, network data of a second channel of the wireless network from a network coordination device is shown.

Abstract: Controlling a first renewable energy power plant by determining power delivery of the first renewable energy power plant to a collector bus; receiving data relating to power delivery from a second renewable energy power plant connected to the collector bus; determining the combined power delivery of the first and second renewable energy power plants to the collector bus; estimating the transmission line power loss on a first transmission line between the collector bus and a power grid point of interconnection (POI) based on the combined power delivery; and regulating the power delivery from the first renewable energy power plant to compensate for the estimated transmission line power loss.

Abstract: The invention relates to a control system for compensating undesired electrical harmonics on an electrical grid. Part of the control system referred to as a harmonic compensator is operatively connected with a power inverter of a power producing unit supplying power to the grid. Another part of the control system, referred to as an impedance detector, is operatively connected to a point of coupling to which point one or more power producing units are connected. The impedance detector is configured to scan impedances as a function of frequency to identify frequencies of impedance peaks which peaks are indicative of resonance frequencies. The determined resonance frequencies are supplied to one or more the harmonic compensators. A compensator determines control signals to the inverter which causes the inverter to inject compensation currents to the grid which currents will damp currents oscillating at or close to the determined resonance frequency.

Abstract: In various embodiments of the present disclosure, there is provided a method for controlling a reactive current injection in a wind power plant during a grid fault. According to an embodiment, the method includes measuring an amount of reactive current to be provided by the wind power plant to the grid during the grid fault. The method further includes determining a difference between a given required reactive current contribution from the wind power plant and the amount of reactive current to be provided by the wind power plant to the grid during the grid fault. According to an embodiment, the method includes controlling a plurality of wind turbine generators in the wind power plant to generate additional reactive current according to a reactive current reference generated based on the difference. A corresponding wind power plant is further provided.

Abstract: A wind power plant is provided. The wind power plant comprises at least one wind turbine and a power plant controller. The power plant controller is configured to detect whether a grid voltage exceeds a predefined threshold, and if it has detected that the grid voltage exceeds the predefined threshold, the power plant controller sends a reactive power reference to the at least one wind turbine, thereby causing the at least one wind turbine to reduce its reactive power output in response to the reactive power reference.

Abstract: A method is provided of protecting a wind turbine with a doubly-fed induction generator (DFIG) against a sub-synchronous resonance (SSR) event acting on the wind turbine. A plurality of power-output values or current-output values is measured over a given period of time that corresponds to a measurement cycle. It is determined whether power-output values or current-output-values measured in the at-least-one measurement cycle are indicative of an SSR-event critical for further operation of the wind turbine. The wind turbine is shut down if the measured power-output values or current-output values are indeed indicative of an SSR-event critical for operation of the wind turbine.

Abstract: A method, non-transitory computer readable medium and apparatus for transforming a knowledge base into a machine readable format for an automated system are disclosed. For example, the method includes clustering two or more documents of a plurality of documents in the knowledge base that are similar based upon a domain specific shingling function, identifying a pattern from each document of the plurality of documents that are clustered, wherein the pattern comprises a sequence of steps, aggregating the pattern of the each document of the plurality of documents that are clustered into a trie data-structure that is machine readable, receiving a request and applying the trie data-structure to provide a solution to the request.

Abstract: According to one embodiment of the invention, a non-transitory computer readable medium comprising instructions which, when executed by one or more hardware processors, cause performance of operations comprising entering, by a first access point associated with a wireless network, a first mode for collecting network data from one or more access points associated with the wireless network, entering, by the first access point, a second mode for transmitting data to and from one or more client devices associated with the wireless network, and when a number of access points associated with the wireless network is greater than or equal to a number of channels of the wireless network, (i) collecting, by the first access point, network data of a first channel of the wireless network and (ii) receiving, by the first access point, network data of a second channel of the wireless network from a network coordination device is shown.

Abstract: A method is provided of controlling a doubly fed induction generator—(DFIG) wind turbine converter system if a sub-synchronous resonance event acts on the wind turbine. According to the method a sub-synchronous resonance event is detected. Thereupon, a switch from a non-SSR-current/voltage control mode to a SSR-control mode is performed. At least one of the following activities is performed in the SSR-control mode, namely: (i) freezing rotor AC voltages in magnitude and phase, (ii) altering at least one rotor-current-controller gain (iii) altering at least one rotor-current-controller time constant, to dampen the effect of the SSR-event on the wind turbine.

Abstract: According to one embodiment of the invention, a non-transitory computer readable medium comprising instructions which, when executed by one or more hardware processors, cause performance of operations comprising entering, by a first access point associated with a wireless network, a first mode for collecting network data from one or more access points associated with the wireless network, entering, by the first access point, a second mode for transmitting data to and from one or more client devices associated with the wireless network, and when a number of access points associated with the wireless network is greater than or equal to a number of channels of the wireless network, (i) collecting, by the first access point, network data of a first channel of the wireless network and (ii) receiving, by the first access point, network data of a second channel of the wireless network from a network coordination device is shown.

Abstract: The disclosed embodiments illustrate method and system for data processing to recommend a list of physical stores in real-time for user-specified products and/or services. The method includes receiving a request, that comprises one or more products and/or services and one or more user-defined parameters, from a user-computing device. The method further includes aggregating information associated with the received request, profile information of a user, real-time traffic information, and geographical locations of a plurality of physical stores. Further, the method includes generating a recommendation list based on the aggregated information and a similarity score of the user for each of the one or more products and/or services. The method further includes transmitting the generated recommendation list to the user-computing device. The user may select a recommendation from the recommendation list for purchasing and/or availing products and/or services based on the selected recommendation.

Abstract: A non-transitory computer readable medium includes instructions. The instructions, when executed by one or more hardware processors, causes performance of operations including receiving, at an access point, data targeted for a device, and determining whether an amount of the data targeted for the device is above a threshold. The operations further include, responsive at least to determining that the amount of data is below the threshold, transmitting a notification frame falsely indicating that the access point does not have the data targeted for the device.

Abstract: In various embodiments of the present disclosure, there is provided a method of controlling active power generation of a wind power plant coupled to a power grid, the wind power plant including a power plant controller for controlling a plurality of wind turbine generators. In an embodiment, the method includes monitoring an operational status of a plant compensation equipment and adjusting a plant reactive power capability when the operational status of the plant compensation equipment indicates a fault in the plant compensation equipment. According to an embodiment, the method includes controlling the wind power plant to curtail the active power generated by the wind power plant by a curtailment amount determined based on the adjusted plant reactive power cap ability. A corresponding wind power plant is further provided.