Abstract: A solar-driven methanol reforming system for hydrogen production includes a water storage tank, high-temperature solar collector tubes, a thermocouple, valves, preheaters, an evaporator, a reactor, a heat exchanger, a mixed solution (methanol and water) storage tank, a gas separator, a pump, a carbon dioxide storage tank, a hydrogen storage tank, and pipes; the present invention utilizes solar energy to provide heat required for hydrogen production by methanol reforming, and stores some heat in a phase change material to supply heat for the methanol reforming reaction when sunlight is weak; the system does not need additional energy supply, thus saving energy consumption from traditional electric heating or fuel heating.

Abstract: The present disclosure describes storage techniques for hybrid transactional and analytical processing. Data captured by a first processing engine may be received. The first processing engine may be configured to perform online transactional processing). Multiple replicas of logical logs generated based on the data may be distributed to a Delta Store by applying a quorum protocol on the multiple replicas. Data in the Delta Store are stored in a row format and are visible to a query for online analytical processing performed by a second processing engine. Data may be flushed from the Delta Store to a Base Store based on one or more predetermined rules. Data in the Base Store are stored in a columnar format and may be accessible by the second processing engine.

Abstract: The present invention relates to an absorbable biomedical composite material and a preparation method therefor, wherein the absorbable biomedical composite material comprises: a substrate particle containing a calcium phosphate compound; an intermediate layer which is coated on the surfaces of the substrate particle and has a first glass transition temperature, the first glass transition temperature being not higher than a normal body temperature; and a polymer matrix which is formed on the outer surface of the intermediate layer and has a second glass transition temperature, the second glass transition being higher than the first glass transition temperature. The present invention can provide an absorbable biomedical composite material which not only increases the mechanical strength but also improves the toughness.

Abstract: Examples of the present disclosure include methods and/or systems for fault diagnosis and solution recommendation. A method may include: obtaining original data including fault problem of a target device; analyzing the original data including fault problem to obtain problem description information; analyzing the problem description information to obtain a diagnosis report; and, according to the diagnosis report, obtaining a video and/or document solution for the fault based on a cloud knowledge map, and recommending the solution to a user. The knowledge map comprises: nodes representing the fault, video solution and/or document solution, and multiple edges representing the relationship between nodes.

Abstract: Examples of the present disclosure provide a parameter optimization method, device and computer readable storage medium. The method includes: establishing a one-to-one functional relationship between each parameter and each performance index; determining each current correlation coefficient between the parameter and each performance index based on the one-to-one function relationships; obtaining a current weight of each performance index; according to current weights and current correlation coefficients, obtaining a current influence coefficient of each parameter on a comprehensive performance of the performance indexes; and determining important optimization parameters according to the current influence coefficient; for each two parameters, calculating a current correlation coefficient of the two parameters, and determining an adjustment parameter; and performing parameter optimization based on the important optimization parameters and the adjustment parameters.

Abstract: A base station maps code blocks of a transport block of a transport block size (TBS) for a channel using tone-level interleaving or resource element (RE)-level interleaving. Then, the base station can transmit the code blocks of the transport block of the TBS for the channel. A UE may receive the channel from the base station and de-interleave the received tones of the channel in a frequency domain to obtain the code blocks of the transport block having the TBS for the channel.

Abstract: A method is provided for producing a smooth transition between overmodulation and six-step operation of a SVPWM-controlled 3-phase electric machine. In one aspect, the method predicts the PWM sample for which the control voltage vector will cross the middle of each SVPWM hexagon sector. Then, based on the current voltage angle and duty cycle, as well as on an estimated future voltage angle and duty cycle, an average duty cycle is calculated and inserted. In addition, a PWM carrier waveform is selected to ensure the PWM pulses applied to each period result in continuous switching states.

Abstract: A multi-modality medical system an intravascular catheter or guidewire configured to output intravascular data, an external ultrasound probe configured to output digital ultrasound data, and a processor disposed within a multi-modality housing and configured for communication with the external ultrasound probe and the intravascular catheter or guidewire. The external ultrasound probe includes ultrasound-specific hardware, such as signal processing circuitry, sufficient to generate digital ultrasound data that can be processed into images. In an external ultrasound data acquisition mode, the processor is configured to control the external ultrasound probe to generate the digital ultrasound data, and output an external ultrasound image to a display. In an intravascular data acquisition mode, the processor is further configured to control the intravascular catheter or guidewire to generate the intravascular data, and output a graphical representation of the intravascular data to the display.

Abstract: Various embodiments include methods for intelligently providing recommendation information. For example, the method may include: determining user attribute parameters corresponding to a user identifier; determining a score value corresponding to the user identifier by inputting the user attribute parameters into a scoring model; determining recommendation information corresponding to the user identifier based on the score value and a knowledge graph related to the user; and providing the recommended information.

Abstract: The present disclosure provides a method for remote assistance and device. 1. A method for remote assistance, the method comprising: determining a state of a machine deployed at a working site; adjusting a digital twin of the machine to be in the same state as the machine deployed at the working site; rendering the digital twin at a remote site using a remote rendering device to enable a remote person at the remote site to perform an operation on the digital twin; and mapping an effect of the operation rendered as visual assistance information onto the machine at the working site using a local rendering device deployed at the working site.

Abstract: An image processing method includes: determining an area to be processed according to a line feature in an image frame to be processed; building a space model according to the image frame to be processed; and embedding a special effect material to be embedded into the area to be processed according to the space model, to generate a special effect image frame.

Abstract: An anti-spoofing satellite navigation and positioning method includes: receiving a positioning satellite radio frequency (RF) signal by a satellite RF receiving module, and detecting whether a power strength of the received signal exceeds a preset threshold; preprocessing the received signal by a satellite RF signal identification module, and intercepting an identifiable positioning satellite signal for identification to distinguish a real signal and a false signal; calculating the received signal to acquire real position and time information when the received signal is identified as the real signal; and sending an alarm message when the received signal is identified as the false signal. An anti-spoofing satellite navigation and positioning chip is further provided. By identifying whether the signal is a real signal or a false signal, the authenticity of the upper-layer position calculation is ensured, and the purpose of timely and accurate detection and effective resistance to spoofing attacks is achieved.

Abstract: The present invention proposes a vessel traffic pattern identification method via data quality control and data compression. Firstly, assort a collection of Automatic Identification system (AIS) data points according to Mobile Service Identify (MMSI) code and sort each collection result by time ascending order, and then delete duplicated vessel AIS data points considering time stamp, latitude, longitude and vessel speed over ground, then segment vessel trajectories. Secondly obtain high-quality AIS data with an AIS data anomaly detection and repair and compress each vessel trajectory with the Douglas-Peucker algorithm. Thirdly, cluster vessel trajectories with the Quick Bundles algorithm, and identify maritime traffic pattern. The invention can efficiently identify vessel traffic patterns, and help maritime traffic management departments to accurately identify a traffic situation.

Abstract: The present invention proposes an ensemble deep learning method for identifying unsafe behaviors of operators in maritime working environment. Firstly, extract features of maritime images with the You Only Look Once (YOLO) V3 model, and then enhance a multi-scale detection capability by introducing a feature pyramid structure. Secondly, obtain instance-level features and time memory features of the operators and devices in the maritime working environment with the Joint Learning of Detection and Embedding (JDE) paradigm. Thirdly, transfer spatial-temporal interaction information into a feature memory pool, and update the time memory features with the asynchronous memory updating algorithm. Finally, identify the interaction between the operators, the devices, and unsafe behaviors with an asynchronous interaction aggregation network. The proposed invention can accurately determine the unsafe behaviors of the operators, and thus provide operation decisions for maritime management relevant activities.

Abstract: Implementations relate to generating and/or executing a customized interactive dialog application. The customized interactive dialog application may be generated from a state mapping tool that allows a user to generate custom states and custom transitions between the custom states. A customized configuration description is then generated based on the generated custom states and custom transitions. Further, a default configuration description is identified that includes additional or alternative states and transitions. In executing the customized interactive dialog application, dialog turns are generated based on the states and transition information, with the customized configuration description taking precedence and the default configuration description being utilized for any undefined states and/or transitions. Implementations additionally or alternatively relate to generating and/or executing a custom agent based on generated custom states and custom transitions, and a default configuration description.

Abstract: Various embodiments are provided for providing machine learning with noisy label data in a computing environment using one or more processors in a computing system. A label corruption probability of noisy labels may be estimated for selected data from a dataset using temporal inconsistency in a machine model prediction during a training operation in a neural network.

Abstract: Ear buds may have sensors to gather orientation information such as accelerometer measurements during user movements. A host electronic device may communicate wirelessly with the ear buds and may form part of an ear bud system that supplies the user with coaching and feedback while evaluating user performance of a head movement routine or other exercise routine. During operation, the ear buds may gather accelerometer data in a first reference frame such as a reference frame associated with the ear buds and may use a rotation matrix to rotate the data in the first reference frame into a second reference frame such as a neutral reference frame with a fixed orientation to the earth. The data in the neutral reference frame may be analyzed using a user head pose look-up table to categorize measured user head positions as corresponding to respective user head poses.

Abstract: A device for transferring micro light-emitting diodes includes a collection tube and an elastic port. The collection tube has a first end and a second end arranged oppositely, and a caliber of the collection tube is greater than a diameter of the micro light-emitting diodes. The elastic port is disposed at the first end, and a caliber of the elastic port is less than the diameter of the micro light-emitting diodes. The micro light-emitting diodes are pressed into the collection tube from the elastic port. The collection tube can store the micro light-emitting diodes. The device can effectively improve transfer speed.

Abstract: A signal modulation apparatus, a memory storage apparatus, and a signal modulation method are disclosed. The signal modulation apparatus includes an observation circuit, a signal modulation circuit, and a phase control circuit. The signal modulation circuit is configured to generate a second signal according to a first signal and a reference clock signal. A frequency of the first signal is different from a frequency of the second signal. The phase control circuit is configured to obtain an observation information via the observation circuit. The observation information reflects a process variation of at least one electronic component in the signal modulation apparatus. The phase control circuit is further configured to control an offset between the first signal and the reference clock signal according to the observation information.

Abstract: The present disclosure compounds, as well as their compositions and methods of use. The compounds inhibit the activity of the TEAD transcription factor, and are useful in the treatment of diseases related to the activity of TEAD transcription factor including, e.g., cancer and other diseases.