31results about How to "Avoid data collection" patented technology

The invention relates to an image collecting circuit of a high-speed absolute grating ruler. Coarse code channels and high-precision absolute code channels are engraved in the grating ruler. A photoelectricity converter for reading images and two LED light sources are further installed on the grating ruler. Multiple data reading windows are arranged in the photoelectricity converter. The image collecting circuit comprises a circuit switching device, a first A / D converter, a second A / D converter, a phase detector, a first position detector, a counting device, a second position detector, a speed detector, a correcting processor, a phase correcting processor, an absolute position detector, a speed judging device, a coding and decoding device and a storage device. Phases output by the photoelectricity converter are used for finely dividing adjacent absolute coding engraving line intervals to improve measuring precision of the grating ruler, macro-micro composite reading on low-precision incremental code channels and high-precision absolute code channels is achieved with a reading head. In a low-precision measuring stage, high measuring speed is achieved and low-speed high-precision measuring is carried out by switching when an endpoint is close.

A data collecting apparatus sets types of target ECUs, and stores, in a storage unit, driving parameter data items, which are capable of being output by a plurality of ECUs, in association with IDs of the plurality of ECUs. Subsequently, for each of the aforementioned types, a query is made to a vehicle as to whether an installed ECU exists, and the installed ECU is identified as a target ECU. Thereafter, based on the ID of the installed ECU, driving parameter data items capable of being output by the installed ECU that was identified as the target ECU are set as collection items.

The invention discloses a data communication module of a motor protector. The data communication module comprises a central processing unit, a storage unit, a power supply unit, a configurable module, a local application interface, field control interfaces and a connector assembly, wherein the field control interfaces comprise a status input interface, a status output interface, a data acquisition module and a data uploading interface; the connector assembly is used for signal connection; the data acquisition interface of the field control interfaces is arranged on the communication module for acquiring current, voltage, startup time, operation and fault data of a motor; the data uploading interface is arranged on the communication module for packing the acquired data according to the requirements set by the user and then uploading the packed data to an upper communication device for an upper acquisition system. The data communication module of the motor protector disclosed by the invention is used for judging whether data acquisition is carried out to the motor protector or not by monitoring the operation status of an MCC (Motor Control Center) switch cabinet motor protector, so that system does not waste redundant communication time.

The invention discloses a timing motif-based abnormality detection method for host network communication behavior, and relates to the technical field of network detection. The network communication behavior anomaly detection method, by establishing a weighted directed graph model of the host network communication behavior, based on the timing motif mining algorithm on the graph model, the structure, attributes, and dynamic change information of the network communication behavior Introduced into the model to learn representation vectors capable of anomaly detection. The invention extracts the quantity distribution characteristics of the timing motif in the host network communication behavior graph model by modeling, analyzes the attribute change characteristics in the timing motif based on the unsupervised noise reduction autoencoder, constructs a similarity calculation formula, and realizes network communication behavior anomaly detection. Compared with statistical analysis methods that rely on expert experience and neural network training methods that require a large amount of labeled data, it can effectively improve the accuracy of detection and expand the scope of application of anomaly detection.

The invention relates to a method for evaluating a load identification effect under a superimposed operation condition. The method comprises the following steps: 1, selecting load identification products; 2, setting a standard value of a load identification product; 3, carrying out electric appliance category interval division; 4, carrying out weighting coefficient calculation of the power consumption ratio of a single electric appliance; 5, carrying out power consumption accuracy calculation of the single electric appliance; 6, carryin gout overall accuracy calculation under the multi-electric-appliance superposition operation condition; and 7, judging whether the identification effect of the overall accuracy under the multi-electric-appliance superposition operation condition meets the requirements or not. The method adopts an error calculation principle and is simple and easy to understand; in the calculation process, through flexible coefficient allocation or index and weight deletion, accurate identification under the multi-electric-appliance superposition operation working condition is achieved; in the identification effect evaluation process, a large number of load event waveforms do not need to be adopted, numerous data acquisition is avoided, and the method is high in applicability and practicability in occasions with high timeliness such as network access detection and acceptance detection.

The present invention discloses a method and system for collecting data of amount of travelling vehicles, and the method includes: establishing a usage amount model based on car networking original data sent by three types of information bodies of "human, vehicle, and road," wherein the usage amount module includes travelling vehicle usage amount association rules corresponding to different items of the different information bodies; and performing associated collection on the car networking original data sent by the three types of information bodies of "human, vehicle, and road" based on the established usage amount module. Therefore, the method and system provided in the present invention collectively collect and analyze the data resources in the car networking and optimally use the analyzed data resources.

The invention discloses a high-speed wireless dynamic weighing sensor system, including a weighing sensor, a power supply system, a Wheatstone bridge, an AD data acquisition card, a battery detector, a CPU, a temperature sensor, a control relay, a memory card and a power consumption control system. The power supply system is electrically connected with the Wheatstone bridge and the battery detector respectively, and the Wheatstone bridge is electrically connected with the AD data acquisition card, the weighing sensor is electrically connected with the AD data acquisition card, and the battery detection The load cell is electrically connected to the CPU. The weighing sensor in the system of the present invention has only one external antenna, which makes the installation and construction on site more convenient, reduces human error factors, and reduces construction costs. Compared with wired sensors, on 32 sensors The wire joints used are almost 0, which greatly reduces the cost. Too much invalid data collection and transmission can be avoided through the power consumption control system, and the system operation efficiency can be improved.

The present invention provides an anti-collision method and system for multi-channel digital quantity collection and processing of multiple sets of inertial navigation systems. The write-read switch of the first-level cache, when the first-level cache is unavailable, the collected data is stored in the second-level cache, and the data read from the first-level cache is framed, and the assembled The data frame is written to the third-level cache. The present invention overcomes the problem of data collection and processing task conflicts through the dynamic creation of multi-level caches, and at the same time creates multiple sets of caches that are independent of each other, and the caches of different groups adopt a parallel working mode to improve data processing speed and avoid multiple sets of inertial navigation systems. When the digital quantity is output, there is a conflict between data acquisition and processing tasks, which greatly improves the testing and production efficiency of the inertial navigation system.

The invention discloses an over-coverage cell determining method and device, relates to the field of communication technology, and can save a lot of human and material resources. The method comprises that a first distance, a first amount and the switching success frequency between a target cell and each adjacent cell are obtained; the dynamic coverage radius of the target cell is obtained according to the first distance, the first amount and the success frequency; a second distance and a second amount are obtained; an over-coverage proportion of the target cell is obtained according to the second distance, the dynamic coverage radius and the second amount; and when the over-coverage proportion is greater than or equivalent to a preset proportion, the target cell is determined to be an over-coverage cell. The method and system can be used to determine whether over coverage occurs in the cell.

The invention provides a sewage treatment control method based on reinforcement learning, comprising the following steps: the invention trains the reinforcement learning model in a real scene in three stages, which can effectively avoid the collection of data required by the existing training reinforcement learning model , The process of establishing a virtual environment, so as to effectively reduce the cost required for enterprises to apply reinforcement learning for automatic control, and facilitate users to complete the process of switching from traditional control to reinforcement learning control.

The invention relates to the technical field of infrared positioning, and more particularly to a method and system for determining the sampling time of infrared data. The method comprises the following steps: calculating the rising slope of the signal received by the infrared receiving tube; calculating the virtual peak value of the signal received by the infrared receiving tube according to the rising slope and the actual peak moment of the signal received by the infrared receiving tube; combining the virtual peak value of the signal received by the infrared receiving tube with the Comparing the saturation value of the signal received by the preset infrared receiving tube to determine the data sampling time of the infrared receiving tube. The present invention can effectively prevent the infrared receiving tube from collecting data at the time of oversaturation of the received signal, thus effectively avoiding the situation that the received signal collected when the light emitted by the infrared receiving tube is still saturated, and at the same time ensures that it does not enter into oversaturation The receiving sensitivity of the infrared receiving tube in the state can improve the positioning accuracy and sensitivity of the infrared positioning device.

The invention belongs to the technical field of industrial communication, and discloses a wireless passive two-way laser communication module, which includes a first laser communication unit and a second laser communication unit used as a pair, the first laser communication unit includes a first base plate, and the center of the first base plate A first detector is fixedly arranged, and a first laser is respectively arranged and fixed on both sides of the first detector; A second laser is respectively arranged and fixed on the side; the first laser and the second laser are used to send out a laser signal carrying a coded signal, and the detector and the second detector are used to respectively receive the laser emitted by the second laser and the first laser; the present invention Not only can laser wireless two-way communication be realized, but also the stability of communication signals can be improved.