198 results about "Identification scheme" patented technology

The invention belongs to the field of load power use monitoring and energy management, and particularly relates to a method and system for identifying transient process of a non-intrusive load. The method comprises the following steps: by virtue of transient power waveform characteristics of multiple types, measuring similarity of a transient power waveform characteristic parameter sample sequence of an unfixed length and a template sequence by using a dynamic time warping algorithm within a time domain, on the basis, establishing a load transient process classification identification scheme based on a nearest neighbor classification strategy, and confirming power use equipment with the load transient process, thereby achieving artificial working state identification on the non-intrusive type power use equipment. The method and the system have the beneficial effects that accuracy and robustness of power load transient process identification can be improved, the cost of a monitoring system can be effectively controlled, and the practicability of the monitoring system can be effectively improved, therefore, practical popularization of an NILM (Non-Intrusive Load monitoring) technique can be greatly improved.

The invention discloses a neutral point non-effective earthing system single-phase earthing fault identification method which includes the steps that a zero sequence voltage instantaneous value and a instantaneous saltation value are taken as the startup criteria of an identification scheme; when any of the above values is out of the limit, an identification process is started, a saltation moment is determined according to a signal saltation point, and the effective values of the zero sequence voltages and the three-phase voltages in cycles before and after the signal saltation point and the variations of the effective values are calculated; and a single-phase earthing fault is judged to have happened only when the variation of the zero sequence voltage and the variations of all phases of voltage all satisfy all the criteria. The method takes voltage variation for identification, and the saltation of the state of the system can be reflected; a low threshold value scheme is adopted in the method, so the system can be started sensitively under a high impedance fault; and the multiple criteria scheme of zero sequence voltage and three-phase voltage are adopted, so the method has high reliability. The method is simple and easy to realize.

The invention relates to a friction parameter identification method for an aerial remote-sensing inertial stabilization platform. The friction parameter identification method comprises the following steps of: establishing a LuGre friction model of the inertial stabilization platform based on the analysis of sinusoidal response curves of systems; and obtaining parameters of the LuGre friction model by respectively designing parameter identification schemes to three frame systems of the inertial stabilization platform and utilizing a two-step-identified and dynamic-parameter-optimized friction parameter identification method. According to the friction parameter identification method, the parameters of the LuGre friction model can be accurately obtained, the friction moment compensation can be realized, and the control precision and the stabilization precision of the systems of the inertial stabilization platform can be improved; the friction parameter identification method can be widely applied to the systems of various remote-sensing inertial stabilization platforms.

The invention discloses a driver driving type identification method and device, a storage medium and a terminal device. The method comprises: obtaining initial data of driving type identification of adriver; obtaining an initial driving type recognition result of the driver according to at least two of a preset first recognition scheme, a second recognition scheme, a third recognition scheme anda fourth recognition scheme, wherein the first identification scheme is to identify the driving type according to the dynamic information of the vehicle, the second identification scheme is used for identifying the driving type according to the operation information of the driver under the preset working condition, the third identification scheme is used for identifying the driving type accordingto a pre-trained machine learning network, and the fourth identification scheme is used for identifying the driving type according to a pre-trained deep learning network; and obtaining a current driving type of the driver according to the initial data and the initial driving type identification result. According to the invention, the accuracy and real-time performance of driver driving type identification can be improved.

The invention provides for robust efficient distributed generation of RSA keys. An efficient protocol is one which is independent of the primality test "circuit size", while a robust protocol allows correct completion even in the presence of a minority of arbitrarily misbehaving malicious parties. The disclosed protocol is secure against any minority of malicious parties (which is optimal). The disclosed method is useful in establishing sensitive distributed cryptographic function sharing services (certification authorities, signature schemes with distributed trust, and key escrow authorities), as well as other applications besides RSA (namely: composite ElGamal, identification schemes, simultaneous bit exchange, etc.). The disclosed method can be combined with proactive function sharing techniques to establish the first efficient, optimal-resilience, robust and proactively-secure RSA-based distributed trust services where the key is never entrusted to a single entity (i.e., distributed trust totally "from scratch"). The disclosed method involves new efficient "robustness assurance techniques" which guarantee "correct computations" by mutually distrusting parties with malicious minority.

Architecture for presenting m-commerce transaction data to a user. An m-commerce device includes a device reading apparatus adapted to read a dataform. At least one item for purchase has associated therewith an item dataform readable by the m-commerce device, the item dataform linked to item information of the item. A terminal is provided for interactive presentation of information to the user. The m-commerce device and terminal are in communication over a network such that item information input to the m-commerce device is transmitted to the terminal for interactive presentation to the user.