Abstract: A foldable mechanism and a foldable terminal. The foldable terminal includes the foldable mechanism. The foldable mechanism is conducive to a lightweight design of the foldable terminal. The foldable mechanism includes a base and a pressing plate assembly. The pressing plate assembly is mounted on the base. The pressing plate assembly includes a first pressing plate and a first pressing plate swing arm. The first pressing plate is an integrally formed structural member. A sliding portion of the first pressing plate swing arm is slidably connected to the first pressing plate, to implement slidable connection between the first pressing plate swing arm and the first pressing plate. A rotating portion of the first pressing plate swing arm is rotatably connected to the base, to implement rotatable connection between the first pressing plate swing arm and the base.

Abstract: A power distribution circuit applied to a radio frequency front-end transceiving apparatus includes a common-stage amplifying circuit and a branch-stage amplifying circuit, in which the branch-stage amplifying circuit comprises at least two parallel channel amplifying circuits; the common-stage amplifying circuit is configured to perform a first signal processing on a radio frequency signal received by an antenna of the radio frequency front-end transceiving apparatus to obtain a first power signal and output the first power signal to each of channel amplifying circuits, in which the first signal processing at least includes a buffering processing, an isolation processing and a low-noise amplifying processing; each channel amplifying circuit is configured to perform a second signal processing on the first power signal to obtain a second power signal and output the second power signal to a radio transceiving device; the second signal processing at least includes a low-noise amplifying processing.

Abstract: The present application discloses a semiconductor device and a manufacturing method thereof. The manufacturing method comprises manufacturing a semiconductor material layer comprising two laminated semiconductor layers between which an etching transition layer is provided; and etching a part of one of semiconductor layers located in a selected region until etching is stopped after reaching or entering the etching transition layer, subjecting the part of the etching transition layer located in the selected region to thermal decomposition through thermal treatment to be completely removed, and realizing termination of thermal decomposition on another semiconductor layer, so as to precisely form a trench structure in the semiconductor material layer.

Abstract: A method and system for generating test cases for visual train positioning are provided and relate to the technical field of train positioning. The method includes: first obtaining real environment images around a train, and classifying the real environment images based on blur types; training a generative adversarial network (GAN)-based image generation network with each non-blurred training image, each blurred training image of any blur type in a same scenario and a preset blur type as inputs, and a reconstructed blurred image and a corresponding blur type as outputs, to obtain an image generation model; then inputting each real non-blurred image and target reference data into the image generation model to generate a target reconstructed blurred image, and then deleting target reconstructed blurred images with structural similarities lower than a set threshold.

Abstract: The present disclosure provides an operation adjustment method for a metro train in a unidirectional jam, including: generating a train operation routing scheme in the jam according to a jam position; setting priorities for turnaround stations; determining an affected train set; predicting, according to the affected train set, arrival times of each affected train at the turnaround stations of the different priorities; determining, according to the time, planned train service to be executed by the affected train after turning around; and acquiring a planned train service canceled during the jam, and allocating, according to the planned train service canceled during the jam, a train resource for train addition or storage. The present disclosure avoid the conventional complicated operation of manually determining the affected train one by one, and reasonably adds the extra passenger train to arrive at the station on the line for passenger carrying.

Abstract: A method for trains to establish a virtual coupling (VC) operation mode, which includes: successively determining whether adjacent preceding and following trains on a same line meet initial conditions and formation conditions of the VC; and performing VC on both trains meeting the initial conditions and formation conditions, and determining the VC of all trains on the line through the above determination method to obtain an overall VC. The method further including controlling operation of a leading train in the overall VC according to driving permission of the VC, and controlling operation of each of remaining following trains based on communication with the corresponding adjacent preceding train in combination with the following train's own driving information. An establishment process of forming a VC operation mode, thereby improving efficiency of train transportation and flexibility of organization and scheduling.

Abstract: The present disclosure provides an operation adjustment method and system for metro trains in a delay scenario. The method includes: acquiring basic parameters, current delay information and current online train information in a metro system; determining a detaining position of a departing train and an operation strategy of a waiting train according to the acquired; determining a next state of a running train according to the detaining position, the operation strategy, and the acquired; and optimally configuring an available rolling stock resource of the metro system according to the next state of the running train and operation data. The present disclosure can automatically adjust the operation diagram according to the delay information and reasonably change the operation plan of the rolling stock, so as to reduce influences of the delay on passengers and improve the actual fulfillment rate of the operation diagram.

Abstract: The present disclosure provides an operation adjustment method and system for metro trains in a delay scenario. The method includes: acquiring basic parameters, current delay information and current online train information in a metro system; determining a detaining position of a departing train and an operation strategy of a waiting train according to the acquired; determining a next state of a running train according to the detaining position, the operation strategy, and the acquired; and optimally configuring an available rolling stock resource of the metro system according to the next state of the running train and operation data. The present disclosure can automatically adjust the operation diagram according to the delay information and reasonably change the operation plan of the rolling stock, so as to reduce influences of the delay on passengers and improve the actual fulfillment rate of the operation diagram.

Abstract: The present disclosure provides an operation adjustment method for a metro train in a unidirectional jam, including: generating a train operation routing scheme in the jam according to a jam position; setting priorities for turnaround stations; determining an affected train set; predicting, according to the affected train set, arrival times of each affected train at the turnaround stations of the different priorities; determining, according to the time, planned train service to be executed by the affected train after turning around; and acquiring a planned train service canceled during the jam, and allocating, according to the planned train service canceled during the jam, a train resource for train addition or storage. The present disclosure avoid the conventional complicated operation of manually determining the affected train one by one, and reasonably adds the extra passenger train to arrive at the station on the line for passenger carrying.

Abstract: The disclosure provides an operation adjustment method and system for metro trains under train out of service. The method includes: acquiring basic parameters of a metro system, information of the train out of service and the online normal running trains, determining follow-up train services and current train timetables thereof, adjusting the current timetables according to predicted time to stop service of the train out of service to obtain initial adjusted train timetables, determining canceled planned train services and rolling stocks for executing remaining planned train services, and adjusting the initial adjusted train timetables according to planned train timetables of the cancelled planned train services. The disclosure can automatically adjust the train operation, and reasonably change the train timetables and the rolling stock circulation plan, thereby reducing influences of the train out of service, and improving the degree of automation of the metro system to adapt to refined management.

Abstract: The present disclosure provides an operation adjustment method and system for metro trains under train out of service. The method includes: acquiring basic parameters of a metro system, information of the train out of service and information of the online normal running trains when the train has fault, determining follow-up train services of the train out of service and current train timetables thereof, adjusting the current timetables according to predicted time to stop service of the train out of service to obtain initial adjusted train timetables, determining canceled planned train services and rolling stocks for executing remaining planned train services, and adjusting the initial adjusted train timetables according to planned train timetables of the cancelled planned train services.

Abstract: The present disclosure provides an electronic device, which comprises a first frame, a second frame, a bendable hinge located between the first frame and the second frame, and a flexible member covering the first frame, the second frame, and the bendable hinge. Wherein, the electronic device further comprises a sliding member located on one side of the bendable hinge, and a supporting member connecting the sliding member and the first frame. The flexible member connects the first frame and the second frame. When the bendable hinge is bent, the supporting member can drive the sliding member to slide relative to the bendable hinge, and the flexible member can drive the second frame to slide relative to the bendable hinge.

Abstract: The present disclosure provides an electronic device, which comprises a first frame, a second frame, a bendable hinge located between the first frame and the second frame, and a flexible member covering the first frame, the second frame, and the bendable hinge. Wherein, the electronic device further comprises a sliding member located on one side of the bendable hinge, and a supporting member connecting the sliding member and the first frame. The flexible member connects the first frame and the second frame. When the bendable hinge is bent, the supporting member can drive the sliding member to slide relative to the bendable hinge, and the flexible member can drive the second frame to slide relative to the bendable hinge.

Abstract: The present disclosure provides a deep learning-based stop control method and system for a high-speed train, and relates to the technical field of rail transit management and control. The method includes: obtaining a training data set; establishing a convolutional neural network (CNN); training and optimizing the CNN by using the training data set, to obtain an optimized CNN; obtaining actual running data of a to-be-controlled train; inputting the actual running data into the optimized CNN to obtain a stop position of the to-be-controlled train; determining whether the stop position of the to-be-controlled train is 0; and if the stop position of the to-be-controlled train is 0, outputting a breaking command; or if the stop position of the to-be-controlled train is not 0, performing the step of “obtaining actual running data of a to-be-controlled train”. The present disclosure can ensure accurate stop of a high-speed train without high costs.

Abstract: The present disclosure provides an electronic device, which comprises a first frame, a second frame, a bendable hinge located between the first frame and the second frame, and a flexible member covering the first frame, the second frame, and the bendable hinge. Wherein, the electronic device further comprises a sliding member located on one side of the bendable hinge, and a supporting member connecting the sliding member and the first frame. The flexible member connects the first frame and the second frame. When the bendable hinge is bent, the supporting member can drive the sliding member to slide relative to the bendable hinge, and the flexible member can drive the second frame to slide relative to the bendable hinge.

Abstract: The present disclosure provides a foldable device, which includes a bendable mechanism and a shielding mechanism. The bendable mechanism includes a middle hinge assembly and a connecting hinge provided on the side portion of the middle hinge assembly. The shielding mechanism includes a fixing member connected to the middle hinge assembly and the shielding member arranged between the fixing member and the connecting hinge, when the bendable mechanism is in the bending and unbending process, the shielding member is rotated relative to the fixing member, the shielding member slides relative to the connecting hinge and at least a part of the shielding member covers the bendable mechanism. The present disclosure also provides an electronic device provided with a foldable device.

Abstract: The present application discloses a semiconductor device and a manufacturing method thereof. The manufacturing method comprises manufacturing a semiconductor material layer comprising two laminated semiconductor layers between which an etching transition layer is provided; and etching a part of one of semiconductor layers located in a selected region until etching is stopped after reaching or entering the etching transition layer, subjecting the part of the etching transition layer located in the selected region to thermal decomposition through thermal treatment to be completely removed, and realizing termination of thermal decomposition on another semiconductor layer, so as to precisely form a trench structure in the semiconductor material layer.

Abstract: The present disclosure provides a folding apparatus and a flexible electronic device. The folding apparatus includes a hinge module, at least one linkage mechanism, and at least one low-temperature self-locking mechanism. The linkage mechanism is connected to the hinge module and configured to drive the hinge module to bend synchronously, so as to synchronously bend the folding apparatus. When an ambient temperature is lower than a safe temperature, the low-temperature self-locking mechanism implements self-locking matching between the linkage mechanism and the hinge module to restrict a synchronous bending of the hinge module driven by the linkage mechanism, and then the folding apparatus is restricted from bending synchronously, so that the self-locking protection of the folding apparatus under the ambient temperature is achieved.

Abstract: A foldable device including a bendable mechanism, a sliding member, and a fall-induced-compression resisting mechanism is provided. The fall-induced-compression resisting mechanism includes a connection member. The sliding member includes a first stopper. When the bendable mechanism is folded, the bendable mechanism drives the connection member to move relative to the sliding member toward the first stopper until the connection member abuts against or approaches the first stopper to limit the sliding member to move toward the bendable mechanism, thus preventing the sliding member from collapsing on the bendable mechanism when the foldable device drops, and thereby preventing a flexible screen fixedly coupled to the sliding member from being arched and damaged. An electronic device including the foldable device is further provided.

Abstract: A foldable device is provided. The foldable device includes a bendable mechanism and a shielding mechanism. The bendable mechanism includes a middle hinge assembly and a connecting hinge disposed on one side of the middle hinge assembly. The shielding mechanism slides relative to the bendable mechanism and at least partially covers the bendable mechanism when bending or unfolding the bendable mechanism. The shielding mechanism is arranged on an inner side of the bendable mechanism and can be bent or unfolded with the bendable mechanism, such that dust and other impurities are prevented from entering the foldable device. An electronic device is further provided. The electronic device includes the foldable device.