Abstract: A brake system includes a reservoir, a master cylinder module, a brake pedal, a push rod, a first pressure control unit, a second pressure control unit, a first electronic control unit (ECU), a second ECU, and a redundant ECU. The first ECU is configured to control a brake actuator in the first pressure control unit, the second ECU is configured to control a brake actuator in the second pressure control unit, and the redundant ECU is configured to control at least one brake actuator in the first pressure control unit and/or at least one brake actuator in the second pressure control unit.

Abstract: A locomotive wireless multi-heading remote distributed power traction operation control system. A set of differential multi-heading control unit (8) is added to a train control and management system of an original locomotive, and is combined and fused with a train control and management system (21), a brake control unit (24), a train safety monitoring device (20), a locomotive logic control unit (23), and a locomotive third-party device (25) to implement wireless multi-heading distributed power traction control operation of locomotives in a heavy haul combined train, and adapt to train multi-heading traction control operation of differential locomotives of a heavy haul combined train or multi-heading operation of different railway locomotives. Also provided is a multi-heading locomotive.

Abstract: The present invention relates to a water flow measuring drifting buoy capable of preventing stranding and resisting impact, which includes: a ball-game table-shaped inflation body with a counterweight capable of drifting autonomously in a direction of a main stream of a water flow, wherein the inflation body is provided with at least two inflation connectors, and the inflation connectors are of a cross-shaped structure formed by connecting in a conical distribution with 4 inflation-stabilizing rods uniformly distributed along a circumferential radiation; the counterweight is 4-10 fan-shaped steel plates arranged annularly in the center of the bottom of the inflation body, and the fan-shaped steel plates are flexibly connected to each other to be able to shake.

Abstract: A hard carbon. A total quantity of adsorbed nitrogen under a relative pressure P/P0 of nitrogen between 10?8 and 0.035 is V1 cm3 (STP)/g and a total quantity of adsorbed nitrogen under a relative pressure P/Po of nitrogen between 0.035 and 1 is V2 cm3 (STP)/g in a nitrogen adsorption isotherm determined at a temperature of 77 K for the hard carbon. The hard carbon satisfies: V2/V1?0.20 and 20?V1?150, where P represents an actual pressure of nitrogen, and P0 represents a saturated vapor pressure of nitrogen at a temperature of 77 K.

Abstract: A method for extracting and correcting a ringing component in a dynamic pressure measurement signal of a shock wave flow field includes: adaptively decomposing a dynamic pressure measurement signal of a shock wave flow field through an empirical mode decomposition (EMD) method, and extracting a ringing component in the dynamic pressure measurement signal of the shock wave flow field; constructing a ringing component distortion correction model through a convolutional neural network (CNN) and a dataset through a staggered spanning dataset construction method; and predicting a time series of a segment with mode mixing in the ringing component, to accurately extract a ringing component in a dynamic pressure response signal. The method combines advantages of an adaptive signal decomposition method and a CNN model identification method.

Abstract: Disclosed are a control circuit for controlling a treatment device and a treatment device. The control circuit for controlling the treatment device includes a radio frequency (RF) generating module, a low-frequency generating module, and a control assembly. The RF generating module and the low-frequency generating module are connected to the electrode sheet respectively. The control assembly is respectively connected to the RF generating module and the low-frequency generating module. The control assembly controls the RF generating module and the low-frequency generating module to output a RF signal and a low-frequency signal to the electrode sheet.

Abstract: Disclosed in the present invention are a heavy-haul train and a longitudinal dynamics traction operation optimization control system and method thereof. A model prediction function is added to a locomotive wireless double heading system so as to suppress large longitudinal impulse that is likely to be generated when the operation speed of the heavy-haul combined train is regulated, especially when the heavy-haul train is switched at a grade change point working condition, and the major potential safety hazard that affects the safe and stable operation of the heavy-haul combined train is avoided.

Abstract: A smart oral cleaner includes a tooth-cleaning component, the tooth-cleaning component includes a first wall body and a second wall body, a hollow structure is formed between the first wall body and the second wall body, the second wall body is recessed towards the first wall body, the second wall body has a first wall surface and a second wall surface arranged opposite to one another, the first wall surface and the second wall surface are provided with jet holes, the second wall body has a shape adapted to a shape of a tooth, and an end surface of the tooth-cleaning component is in a shape of a slope-shaped depression.

Abstract: A cloud-based vehicle fault diagnosis method includes receiving monitoring data uploaded by a vehicle; extracting eigenvectors of the monitoring data from the monitoring data; storing the eigenvectors of the monitoring data based on classification using, as a label, a part or a functional system of the vehicle from which the monitoring data comes; and performing, based on a support vector machine algorithm, fault diagnosis in parallel on the eigenvectors stored based on the classification.

Abstract: Embodiments of this application disclose a calibration method, apparatus, and system, and relate to the calibration field, to improve calibration efficiency of a new energy vehicle and an intelligent vehicle, and reduce calibration costs. A specific solution is as follows: First, an observation signal of a to-be-tested system is obtained. Next, a corresponding performance index is calculated based on the observation signal of the to-be-tested system. Then, an updated calibration parameter is obtained by using an optimization algorithm based on the performance index, a constraint condition, and at least one objective function, where the objective function indicates a function relationship between performance indexes. Finally, the updated calibration parameter is sent to a controller.

Abstract: Disclosed are a flat panel detector and a manufacturing method thereof. The flat panel detector including: a first optical assembly, having a first side and a second side opposite to the first side in a thickness direction of the flat panel detector, and including: a first scintillator layer configured for converting at least part of rays into a first visible light; and a first light guide component stacked with the first scintillator layer and configured for guiding the first visible light; a first image sensor assembly stacked with the first optical assembly, configured for receiving the first visible light, and including: a first image sensor located at the first side of the first optical assembly; and a second image sensor located at the second side of the first optical assembly.

Abstract: A braking apparatus includes a hydraulic block, a master cylinder part, and a travel sensor. The hydraulic block is provided with a first groove and a second groove. The second groove extends in a first direction. The master cylinder part is located in the second groove and is in sliding contact with the second groove. The master cylinder part in the second groove is internally provided with a permanent magnet. The travel sensor is located in the first groove and is fixedly coupled to the hydraulic block, and is configured to detect a movement amount of the permanent magnet.

Abstract: An oxygen reduction device in an ion source region of inductively coupled plasma is provided. The oxygen reduction device includes a torch and an inflation sleeve. An upper end of the inflation sleeve is sealed and sleeved outside the torch, and a lower end of the inflation sleeve and the torch are arranged at an interval to form an inflation gap. An inflation hole communicating with the inflation gap is formed in an outer side wall of the inflation sleeve. An outer side face of the lower end of the inflation sleeve is protruded outwards to form an annular gas guiding protrusion. The annular gas guiding protrusion is configured for being arranged opposite to a sampling cone base arranged below the torch, and a gas outlet gap is formed between the annular gas guiding protrusion and the sampling cone base.

Abstract: A window system is provided, and belongs to the field of window technology. The window system provided by the present disclosure includes a first transparent substrate and a second transparent substrate opposite to each other, and a radiation structure and a dimming structure sequentially arranged on a side of the first transparent substrate close to the second transparent substrate; wherein an orthographic projection of the dimming structure on the first transparent substrate at least partially overlaps an orthographic projection of the radiation structure on the first transparent substrate. The window system provided by the present disclosure can have functions of transmitting and receiving radio frequency signals as well as dimming, and the radiation structure and the dimming structure are stacked together to save space.

Abstract: A communication method, a signaling control network element, a media control network element and a communication system. The communication method comprises: acquiring a transparent transmission channel creation request; performing, according to the transparent transmission channel creation request, negotiation processing on a media control network element and a first terminal device corresponding to a first terminal identifier, so as to create a transparent transmission channel between the media control network element and the first terminal device; obtaining a first resource identifier of an application entity according to the transparent transmission channel creation request; and sending the first resource identifier to the media control network element, so that the media control network element determines a data transmission relationship between the transparent transmission channel and the application entity corresponding to an application identifier.

Abstract: A fast calibration test system and method for a phased-array antenna, which belongs to the technical field of antenna measurement, relates to a near-field test system, and relates in particular to the fast calibration and a directional diagram test on a phased-array antenna.

Abstract: This application provides a vehicle status parameter estimation method and apparatus, and relates to the field of automotive control technologies. The method includes: obtaining driving status data of a vehicle, a first process status x, and a first process covariance Q; determining a second process covariance Q(k) and a first measurement covariance R(k) based on the driving status data of the vehicle; obtaining a first measurement value yh of a vehicle sensor; and determining a vehicle status parameter of the vehicle based on the first measurement value yh, the first process status x, the first process covariance Q, the second process covariance Q(k), and the first measurement covariance R(k).

Abstract: In a method for front-rear driving torque distribution of a vehicle, a controlling apparatus determines an expected status parameter existing during steering of a vehicle based on a wheel angle of the vehicle. The controlling apparatus determines a current correction yawing moment based on an actual status parameter existing during the steering of the vehicle and the expected status parameter, and determines a mapping relationship between a correction yawing moment and a torque distribution coefficient based on the wheel angle and acceleration information of the vehicle. The controlling apparatus then determines a torque distribution coefficient of the vehicle based on the current correction yawing moment and the mapping relationship, and determines front and rear axle driving torques of the vehicle based on the torque distribution coefficient of the vehicle.

Abstract: A vehicle control method includes obtaining a first user instruction, where the first user instruction instructs to enable an automatic vehicle hold function; controlling, based on the first user instruction, an automatic vehicle hold system to switch to a wake-up state; obtaining status information of a vehicle; and switching a status of the automatic vehicle hold system based on the status information of the vehicle.

Abstract: A hydraulic braking apparatus, a travel sensor, and a vehicle are provided. The hydraulic braking apparatus includes: a hydraulic valve block; a master cylinder housing disposed on one side of the hydraulic valve block, where a master cylinder part is disposed inside the master cylinder housing, and the master cylinder part includes a piston, a push rod, and a magnet component; a control module disposed on another side of the hydraulic valve block, where the control module includes a control substrate and a connector electrically connected to the control substrate; and a travel sensor fastened to the inside of the hydraulic valve block and configured to detect movement of the magnet component to determine a movement amount of the piston.