Abstract: A charging circuit includes at least two direct current-direct current (DC-DC) conversion circuits coupled between a power supply end and a charging end of the charging circuit. A voltage input end of the DC-DC conversion circuit is coupled to the power supply end, and a voltage output end of the DC-DC conversion circuit is coupled to the charging end. The at least two DC-DC conversion circuits include a first DC-DC conversion circuit and a second DC-DC conversion circuit. The first DC-DC conversion circuit is configured to perform voltage conversion on a voltage at the power supply end, to output a first charging signal to the battery. The second DC-DC conversion circuit is configured to perform voltage conversion on the voltage at the power supply end to output a second charging signal to the battery.

Abstract: A puncture system, which utilizes intervention navigation technology and a corresponding puncture instrument to operate puncture surgery that features easier operation, higher accuracy and effectiveness, improved safety, and fewer complications, and that has no blind zones during surgery monitoring.

Abstract: A method for controlling a robot. The method includes providing demonstrations for performing each of a plurality of skills; training from the demonstrations, a robot trajectory model for each skill, each trajectory model is a hidden semi-Markov model having one or more initial states and one or more final states; training, from the demonstrations, a precondition model for each skill comprising, for each initial state, a probability distribution of robot configurations before executing the skill, and a final condition model for each skill comprising, for each final state, a probability distribution of robot configurations after executing the skill; receiving a description of a task, the task includes performing the skills of the plurality of skills in sequence and/or branches; generating a composed robot trajectory model; and controlling the robot according to the composed robot trajectory model to execute the task.

Abstract: A gate structure of flow guiding sediment bypass tunnel with self-adaptive inlet adjustment the gate structure comprises a sediment bypass tunnel main body, wherein: the sediment bypass tunnel main body comprises a second revolution wheel, a second braking rim, a top water stopper plate and a weir, a second regulator is provided at a front side of the sediment discharge tunnel, the second revolution wheel is provided at a top portion of the second regulator, a top portion of the second revolution wheel is welded with the second valve lever, the second valve lever is connected with the top portion of the second regulator, and by providing the flow guiding structure at the bottom portion bottom water flows with higher sediment concentrations can be guided into the tunnel; and the altitude of the flow guiding inlet at the bottom portion can be automatically controlled with the gate structure.

Abstract: Disclosed herein are embodiments of a hearing aid configured to be worn at an ear having an active noise cancellation system configured to cancel or reduce directly propagated sound from said environment to said eardrum of the user. The active noise cancellation system can include an adaptive filter configured to provide a feedforward cancellation signal to compensate the directly propagated sound of an acoustic propagation path from said first input transducer to said second input transducer. Methods of operating a hearing aid are further disclosed.

Abstract: An anti-glare apparatus includes a lens assembly having an incident side, the lens assembly including a layer of liquid crystal molecules, a first driving electrode and a second driving electrode respectively on both sides of the layer of the liquid crystal molecules, the first driving electrode or the second driving electrode including a plurality of sub-electrodes; a reflective layer on a side of the lens assembly opposite from the incident side; a camera, configured to acquire a human eye's position and acquire an intensity signal of incident light irradiating the incident side of the lens assembly; and a controller electrically connected to the first driving electrode, the second driving electrode, and the camera; where the controller is configured to adjust driving voltages of the sub-electrode based on the intensity signal of the incident light acquire by the camera to change the optical axis direction of the lens assembly.

Abstract: Embodiments of the present disclosure relate to the technical field of displays, and disclose a screen correction method, an electronic device, and a computer-readable storage medium. The method comprises: acquiring a first display parameter of pixel points in at least two display regions of a target screen, wherein the first display parameter comprises first spectral tristimulus values; determining a target region in the display regions and determining a second display parameter of pixel points in a non-target region in the display regions according to the first display parameter, wherein the target region is a display region among the display regions where a luminance parameter meets a preset requirement, and the second display parameter comprises second spectral tristimulus values; converting the luminance parameter into a target display parameter with the type of the second spectral tristimulus values; and compensating the second display parameter based on the target display parameter.

Abstract: A device and a method for controlling a robotic device, including a control model. The control model includes a robot trajectory model, which for the pickup includes a hidden semi-Markov model with one or multiple initial states, a precondition model, which for each initial state of the robot trajectory model includes a probability distribution of robot configurations before the pickup is carried out, and an object pickup model, which for a depth image outputs a plurality of pickup robot configurations having a respective associated probability of success.

Abstract: A hearing aid adapted for being worn by a user at or in an ear of the user comprises a) at least one input transducer for converting sound in an environment around the user to at least one electric input signal representing said sound; b) an output transducer for converting a processed output signal provided in dependence of said at least one electric input signal to stimuli perceivable to the user as sound; c) a feedback control system comprising an adaptive filer, the feedback control system being configured to provide an adaptively determined estimate (h*(n)) of a current feedback path (h(n)) from said output transducer to said at least one input transducer in dependence of c1) said at least one electric input signal, c2) said processed output signal, and c3) an adaptive algorithm.

Abstract: A hearing aid includes an input unit, an output unit, a signal processing unit connected to said input unit and output unit, where the input unit, the signal processing unit and the output unit are forming part of a forward path of the hearing aid, where the signal processing unit is configured to apply a forward gain to the at least one electric input signal or a signal originating therefrom. The hearing aid further includes a feedback control unit configured to reduce a risk of howl due to acoustic, electrical, and/or mechanical feedback of an external feedback path from the output unit to the input unit of said hearing aid, where the hearing aid is configured to receive motion data characterising movement and/or acceleration and/or orientation and/or position of the hearing aid to control processing.

Abstract: A hearing aid includes a forward path including a) an input transducer proving an electric input signal, b) a hearing aid processor, and c) an output transducer. The hearing aid further includes d) a feedback control system having d1) a feedback path estimator including an adaptive filter configured to provide an estimate of a current feedback path from the output transducer to at least one input transducer, the feedback path estimator being controllable via a feedback estimation control input, and d2) a combination unit in the forward path configured to subtract the estimate (v?) of the current feedback path signal (v) from a signal of the forward path (y) to provide a feedback corrected signal (e), and e) a detector for providing the feedback estimation control input in dependence of an offset control signal indicative of an offset in the electric input signal or a signal originating therefrom.

Abstract: A hearing aid comprises a forward path comprising an input transducer an electric input signals representing a sound comprising target signal components and background noise, a hearing aid processor for providing a processed signal in dependence of said at least one electric input signal and for providing a processed output signal in dependence thereof, and an output transducer for providing stimuli perceivable as sound to the user in dependence of said processed signal. The forward path provides a frequency dependent intended forward path transfer function.

Abstract: A control system and a control method for controlling physical entities to complete tasks within a shared environment. Use is made of a trained resource safety model to predict whether future resource levels of the physical entities satisfy a safe resource level condition, such as a minimum resource level, given previous resource levels and a selection of behaviours for the physical entities. If a respective physical entity is predicted to have a future resource level which does not satisfy the safe resource level condition, the selected behaviour may be modified or replaced, for example by a behaviour which is predicted by the resource safety model to satisfy the safe resource level condition.

Abstract: A curved substrate bubble detection method includes: providing, by a first light source and a second light source, parallel light incident to a to-be-tested substrate in different incident directions; obtaining, by a linear array camera, a first image including image information of a first side edge of the to-be-tested substrate; determining location information of a defect region of the to-be-tested substrate according to the first image, and generating a second image including image information of the defect region; binarizing the second image, and determining that the to-be-tested substrate has a bubble defect if there are at least two bright spots in an obtained binarized image, and a distance between any two first bright spots of at least two first bright spots is less than a first preset value. A curved substrate bubble detection system is also disclosed.

Abstract: A cat teaser for attracting pets easily includes an upper support shell and a lower support shell. Several openings are formed at the edges after the upper support shell and the lower support shell are snap-fitted with each other, a second motor is mounted at the bottom of the lower support shell, a telescopic head assembly is provided between the upper support shell and the lower support shell, and a rotating shaft of the second motor passes through the lower support shell to drive the telescopic head assembly to rotate; the telescopic head assembly includes a first arm, a swing arm spring, and a second arm connected in sequence, and the first arm is connected to the rotating shaft of the second motor.

Abstract: A hearing aid includes an input unit, an output unit, a signal processing unit connected to said input unit and output unit, where the input unit, the signal processing unit and the output unit are forming part of a forward path of the hearing aid, where the signal processing unit is configured to apply a forward gain to the at least one electric input signal or a signal originating therefrom. The hearing aid further includes a feedback control unit configured to reduce a risk of howl due to acoustic, electrical, and/or mechanical feedback of an external feedback path from the output unit to the input unit of said hearing aid, where the hearing aid is configured to receive motion data characterising movement and/or acceleration and/or orientation and/or position of the hearing aid to control processing.

Abstract: A method for controlling a robotic device, in which a composite robot trajectory model made up of robot trajectory models of the movement skills is generated for a sequence plan for a task to be carried out by the robot including a sequence of movement skills and primitive actions to be carried out, and the robot is controlled, if after one movement skill according to the sequence plan one or multiple primitive action(s) is/are to be executed before the next movement skill, by interrupting the control of the robot according to the composite robot trajectory model after carrying out the movement skill, and by executing the one or multiple primitive action(s) and then resuming the control of the robot according to the composite robot trajectory model.

Abstract: The present application discloses a method and a device for eliminating a brightness mura defect of a liquid crystal display, and relates to the technical field of liquid crystal displays. The method disclosed by the present application includes the following steps: acquiring an image to be displayed, wherein the image to be displayed includes a plurality of pixels; determining a compensation coefficient corresponding to each channel of each of the pixels according to an original gray scale value corresponding to each channel of each of the pixels; calculating a compensation gray scale value corresponding to each channel of each of the pixels according to the original gray scale value and the compensation coefficient corresponding to each channel of each of the pixels; and outputting and displaying the image to be displayed according to the compensation gray scale value corresponding to each channel of each of the pixels.

Abstract: The disclosure provides a method and apparatus for early warning of dry pump shutdown, an electronic device, a storage medium and a program, and belongs to the technical field of automatic control. The method comprises: obtaining historical operating data of a dry pump; building a Kalman filter model by using the historical operating data; predicting predicted operating data of the dry pump through the Kalman filter model; training a shutdown prediction model by using the historical operating data and the predicted operating data; and inputting current operating data of the dry pump into the trained shutdown prediction model to obtain shutdown early warning information of the dry pump.

Abstract: The present disclosure provides a video processing method, including: determining, according to a consulting message, a target short video corresponding to the consulting message; and pushing the target short video to a terminal sending the consulting message. The present disclosure further provides a live streaming processing method, an electronic apparatus, a live streaming system, a terminal, and a computer-readable storage medium. The video processing method can improve the user experience during a live streaming process.