Abstract: The present invention discloses a same-cavity integrated vertical high-speed multistage superfine pulverizing device and method for walnut shells. The same-cavity integrated vertical high-speed multistage superfine pulverizing device for walnut shells includes a double-channel sliding type feeding device and a same-cavity integrated vertical pulverizing device. The same-cavity integrated vertical pulverizing device includes a material lifting disc and a same-cavity integrated vertical pulverizing barrel. A first-stage coarse crushing region, a second-stage fine crushing region, a third-stage pneumatic impact micro pulverizing region and a fourth-stage airflow mill superfine pulverizing region are disposed in the same-cavity integrated vertical pulverizing barrel.

Abstract: Various embodiments enable computers to automatically create photographic lineups for police use and, in so doing, eliminate risks associate with subject judgment involved in human selection of fillers for such photographic lineups. Moreover, various improve the reliability of photographic lineups by selecting images of fillers that are similar to, but not too similar to, an image of the suspect.

Abstract: A control circuit for a flyback converter is configured to adjust a conduction time of an auxiliary switch of the flyback converter in accordance with a drain-source voltage of a main switch of the flyback converter when the main switch is turned on, in order to achieve zero-voltage switching of the main switch. The flyback converter can include: a main power stage having the main switch to control energy storage and transmission of a transformer; and a clamp circuit having an auxiliary switch to provide a release path for releasing energy of leakage inductance of the transformer.

Abstract: A pacification method based on emotion recognition, includes: acquiring at least one of a voice and an image of a user; determining whether the user has abnormal emotion, according to the at least one of the voice and the image of a user; and in response to the user having abnormal emotion, determining a pacification manner according to the emotion of the user, and performing emotional pacification on the user. An apparatus, a device and a storage medium are also provided.

Abstract: A device, method, and processor readable storage medium for controlling travel of a vehicle. The device includes a processor and a controller; the processor is configured to set a speed curve of the vehicle according to a relative speed and distance between the vehicle and the front subject, and the controller is configured to control the vehicle to travel according to the set speed curve.

Abstract: The present disclosure provides a voice recognition method and a voice recognition apparatus. The voice recognition method includes the following operations of acquiring an identification result of an operator; acquiring an acoustic feature set corresponding to the operator based on the identification result of the operator; and recognizing voice of the operator from received sound based on the acquired acoustic feature set.

Abstract: An apparatus including: a switching converter having a main switch configured to provide power to a transformer, an auxiliary switch configured to provide a release path for leakage inductance energy of the transformer, and a clamp capacitor coupled in series with the auxiliary switch; and a control circuit configured to control the main switch to be off and the auxiliary switch to operate to discharge the clamp capacitor when in an over-voltage protection mode. A method of controlling the switching converter can include: controlling the main switch to be off; and controlling the auxiliary switch to operate to discharge the clamp capacitor when in an over-voltage protection mode.

Abstract: A pacification method based on emotion recognition, includes: acquiring at least one of a voice and an image of a user; determining whether the user has abnormal emotion, according to the at least one of the voice and the image of a user; and in response to the user having abnormal emotion, determining a pacification manner according to the emotion of the user, and performing emotional pacification on the user. An apparatus, a device and a storage medium are also provided.

Abstract: A video management method and apparatus, image capturing device and storage medium are provided. The video management method includes: obtaining a first driving record video from storage space when a capacity of available space of the storage space is less than a target capacity threshold, wherein the storage space stores at least one driving record video of a target vehicle, and the first driving record video includes a plurality of video frames; and deleting at least one video frame from the video frames included in the first driving record video to obtain a second driving record video. Object captured in the first driving record video are in the second driving record video, so that information safety of users is ensured.

Abstract: Embodiments of the present disclosure provide a power strip, including at least one socket, and a display unit configured to display information of a device plugged into the at least one socket. Through the display unit, the information of the device corresponding to the socket can be conveniently provided, preventing operating incorrectly.

Abstract: A method and a device for stabilizing photographic equipment on a mobile device. The method includes: acquiring attitude information of the mobile device; determining an expected pitch angle of the photographic equipment; determining a driving force according to the expected pitch angle; and adjusting a pitch angle of the photographic equipment by adoption of the driving force.

Abstract: A control circuit for a flyback converter is configured to adjust a conduction time of an auxiliary switch of the flyback converter in accordance with a drain-source voltage of a main switch of the flyback converter when the main switch is turned on, in order to achieve zero-voltage switching of the main switch. The flyback converter can include: a main power stage having the main switch to control energy storage and transmission of a transformer; and a clamp circuit having an auxiliary switch to provide a release path for releasing energy of leakage inductance of the transformer.

Abstract: Disclosed is a human body health assessment method and assessment system based on sleep big data. The method and the system acquire biometric data of a human body in a long-term, stable, and ever-increasing manner, and clearly and definitely describe the physical conditions of a human being and predict future health thereof using advanced data mining technology. The method comprises: acquiring, by a sensor mounted on a bed, various physiological data of a human body during sleep and storing the same to a cloud server; and obtaining a physiological evaluation index using an artificial intelligence learning model and generating a health status analysis report of the human body. By acquiring the data of the sensor mounted on the bed, data training of the artificial intelligence learning model is performed, to allow the model to automatically learn features related to the health of the human body.

Abstract: Embodiments of the present disclosure provide a power strip, including at least one socket, and a display unit configured to display information of a device plugged into the at least one socket. Through the display unit, the information of the device corresponding to the socket can be conveniently provided, preventing operating incorrectly.

Abstract: A control circuit for a flyback converter is configured to adjust a conduction time of an auxiliary switch of the flyback converter in accordance with a drain-source voltage of a main switch of the flyback converter when the main switch is turned on, in order to achieve zero-voltage switching of the main switch. The flyback converter can include: a main power stage having the main switch to control energy storage and transmission of a transformer; and a clamp circuit having an auxiliary switch to provide a release path for releasing energy of leakage inductance of the transformer.

Abstract: The embodiments of the present disclosure provide a device for recognizing speeches and a method for speech recognition. The device for recognizing speeches may comprise a processor, configured to execute instructions stored in the memory, to: perform speech recognition on the collected audio data to obtain a semantic content of the audio data; match the obtained semantic content with a semantic data stored in the database; determine whether the audio data contains ambient noise audio information and audio information of a user, in response to determining that the obtained semantic content does not match with the semantic data; and change conditions for collecting the audio data and control to collect the audio data with the changed conditions, in response to determining that the audio data contains the ambient noise audio information and the audio information of the user.

Abstract: An apparatus including: a switching converter having a main switch configured to provide power to a transformer, an auxiliary switch configured to provide a release path for leakage inductance energy of the transformer, and a clamp capacitor coupled in series with the auxiliary switch; and a control circuit configured to control the main switch to be off and the auxiliary switch to operate to discharge the clamp capacitor when in an over-voltage protection mode. A method of controlling the switching converter can include: controlling the main switch to be off; and controlling the auxiliary switch to operate to discharge the clamp capacitor when in an over-voltage protection mode.

Abstract: The present disclosure discloses a smart shopping cart, comprising a shopping basket provided with a cover plate which may be tilted toward the interior of the shopping basket to form an entrance; and the shopping cart further comprises a scanner configured to scan a barcode of a commodity placed on the cover plate to acquire an identity and/or a price of the commodity; a first scale configured to measure a weight of the commodity; a controller configured to generate settlement information of the commodity based on at least one of the identity, the price, and the weight of the commodity, and add the settlement information to a settlement list to update the settlement list; and a display comprising a first display area on which the settlement list is able to be displayed. The present disclosure further discloses a smart shopping system including the shopping cart described above.

Abstract: A safety monitoring system based on a smart toilet and a smart toilet are provided. The monitoring system includes a smart toilet, and a cloud server. The smart toilet is configured to detect toilet usage time of a user, and transmit the toilet usage time to the cloud server. The cloud server generates first prompt information, and transmits the first prompt information to the smart toilet. The smart toilet is further configured to prompt, according to the first prompt information, a user when the first prompt information is received.

Abstract: A self-photographing control method, a self-photographing control device and an electronic device are provided. The self-photographing control method includes the steps of acquiring a first original image, selecting a human eye from the first original image as a main eye for controlling photographing, acquiring an action of the main eye, and triggering a photographing operation if the action of the main eye meets a set condition.