47results about How to "Save computing space" patented technology

The present invention involves a rotor drone, its abnormal landing treatment device and treatment method, which includes anomalous treatment unit used to deal with an abnormal treatment unit for handling drones.The abnormal processing unit includes the processor, the gravity measurement module connected to the processor, and the height measurement module connected to the processor.High information; the landing unit is connected to the processor. When the processor determines the drone abnormality, the processor controls the landing unit according to the receiving drone's flight high.When the invention has abnormal conditions in the drone, it can independently judge the land orientation of the drone, and start the landing unit in a timely manner for the landing and buffer, effectively reduce the body damage caused by the drone abnormal landing, reduce the cost of use, increase the cost of use, increase the improvementThe safety of drones.

The invention discloses a ResNet-based method for assessing the health status of steam turbine components, which includes: performing a simulation experiment on steam turbine components, and collecting vibration data through multiple measuring points; the vibration data includes fault signal data and normal working condition data; the fault signal The data is tagged; the tag information includes the fault type and remaining usable life; the fault signal data after each tag assignment is segmented and normalized to obtain a sample set; the sample set is divided according to a preset ratio to obtain a training set and verification Set; adopt the strategy of adaptively updating the network learning rate, train the pre-built multi-task learning neural network model based on ResNet through the training set, and obtain the trained evaluation model based on ResNet to the preset convergence condition; realize the steam turbine through the evaluation model Component health assessment. The invention adopts a multi-task learning mechanism, can simultaneously judge the fault type and the health degree of the steam turbine, and has high accuracy.

The present invention provides a multi-satellite mission planning method based on K-means clustering, S1, collecting the user's mission requirements T={t 1 ,t 2 ,t 3 ...t n}, to obtain the set of orbital working hours of each sunlit area corresponding to all currently available satellites O={o 1 ,o 2 ,o 3 ,...o m}. S2, computing task t i to each element o in the set O j The distance Dis ij , forming a task t i The distance set D={d to the orbital set O i1 , d i2 , d i3 ... d in}, the task t i Clustering to the shortest orbital k,Dis ik =Min(D); S3, judging the current clustering scheme s k Whether it belongs to the set S={s 1 ,s 2 ,s 3 ,...s z}, if s k ∈S then output the clustering scheme s k , otherwise the scheme s k Add to the scheme set S, and return to step S2. The present invention quantifies these factors by analyzing the factors affecting multi-satellite task allocation, and combines the K-means clustering algorithm to plan a multi-satellite collaborative task allocation scheme, with fewer iterations and fast calculation speed, which can meet large-scale optimization problems Constrains the time complexity of the algorithm, and greatly improves the quality of imaging and the completion rate of tasks.

The invention belongs to the technical field of air-ground integrated vehicle networking communication, discloses a relay selection method based on state transition probability of air-ground integrated vehicle networking, and constructs an air-ground integrated vehicle networking model consisting of V vehicle nodes and U UAV nodes ; Based on the air-ground integrated vehicle networking model, construct the information transmission mechanism between the mobile nodes; based on the information transmission mechanism between the mobile nodes, construct the state transition probability between the mobile nodes; Based on the state transition probability between mobile nodes, an information identification method based on multiple input and multiple output technology is constructed; based on the information transmission mechanism, state transition probability and information identification method between the mobile nodes, a relay selection based on state transition probability is constructed method. The invention can be applied to urban intelligent transportation systems, strengthen the connection among vehicles, drones and users, and create a real-time, accurate and efficient comprehensive transportation and information transmission system.

The invention discloses a splitting surface pre-screening method and a splitting surface pre-screening system applied to an alternating-current / direct-current system. The splitting surface pre-screening method includes simulating asymmetrical faults in three-phase voltage of a bus bar i; acquiring three-phase asymmetric indexes of all bus bars; constructing a correlation matrix according to the three-phase asymmetric indexes of all the bus bars; subjecting the correlation matrix to K-core decomposition so as to obtain a K-core value of each bus bar; screening out the bus bar with the maximum degree of influence on the alternating-current / direct-current system according to the K-core value of each bus bar; deleting the bus bar with the maximum degree of influence on the alternating-current / direct-current system from a splitting surface composed of multiple lines, and splitting the alternating-current / direct-current system according to the splitting surface. The splitting surface pre-screening method and the splitting surface pre-screening system applied to the alternating-current / direct-current system have the advantages that on one hand, stability of the alternating-current / direct-current system subjected to splitting control is guaranteed, and on the other hand, the size of a splitting surface search space is decreased, so that operation time is saved and operation efficiency is improved.

The present invention discloses an oil pump controller which consists of a signal collecting circuit, a signal transformation circuit and a protective circuit and is characterized in that the signal transformation circuit consists of a gate drive circuit and an MOS pipe amplifying circuit, wherein, the signal collecting circuit obtains an oil pump start instruction and transports the oil pump start instruction to the gate drive circuit; the gate drive circuit transforms the oil pump start instruction and sends the oil pump start instruction to the MOS pipe amplifying circuit; the MOS pipe amplifying circuit amplifies the oil pump start instruction and generates a drive signal; the MOS pipe amplifying circuit is provided with a switch pipe, the drain electrode of which outputs the oil pumpstart instruction to the protective circuit. The oil pump controller is also provided with a temperature protective circuit, an overcurrent protective circuit and an non-load protective circuit. The oil pump controller has the obvious effects of reducing the cost, low heat, reducing surge current, increasing various kinds of safety protection measures and providing the oil pump safe operation with effective safeguard. The oil pump controller reduces ECU head dissipation load and improves ECU working efficiency.

The invention relates to a human body communication channel modeling method based on a non-uniform medium and a system thereof. The method comprises the following steps that a human body is divided into multiple structural models according to the structure; the multiple structural models are abstracted into regular geometries; medium layer division is performed in the internal parts of all the structural models, thickness of all medium layers is arranged, and equivalent electrical parameters of all the structural models are computed; and the uniform medium structural models with different electrical parameters are recombined and a human body contour is recovered so that multiple non-uniform medium human body electromagnetic models of the uniform medium structural models with different electrical parameters are constructed. According to the aforementioned human body communication channel modeling method based on the non-uniform medium and the system thereof, the non-uniform medium human body electromagnetic models of the uniform medium structural models with different electrical parameters are constructed so that accuracy is high in comparison with unified uniform medium human body models. Besides, all the structural models are equivalent to the uniform medium structural models so that subsequent computation is simplified and computation space is saved.