Abstract: A compression release engine in-cylinder braking system, comprising a valve mechanism (I), an oil cylinder device (III), an oil pump device (II), and an oil supply device (IV). The oil cylinder device (III) and the oil pump device (II) of each air cylinder communicate with each other through a pressure transmission oil circuit (L). The pressure transmission oil circuit (L) communicates with the oil supply device (IV) through a low-pressure relief valve (90). An air release valve (200) is arranged at the high end of an oil circuit system. During in-cylinder braking, the air release valve (200) is closed, an electromagnetic reversing valve (80) is energized, engine oil having a pressure of P1 is supplied to the pressure transmission oil circuit (L), and a cam (16) abuts against and pushes the oil pump device (II) to pump high-pressure oil to the oil cylinder device (III), so as to push a rocker arm (12) to open a valve (10), thereby achieving in-cylinder braking.

Abstract: Disclosed is a wind speed sensor based on a flexible inductor and a silicon-based inductor, which relates to a MEMS device and belongs to the field of measurement and testing technologies. The wind speed sensor is a double-layer inductor structure composed of a flexible inductor and a silicon-based inductor. A metal layer of the flexible inductor and a metal layer of the silicon-based inductor face to each other and form, between them, an air cavity sufficient for mutual induction of electromotance. A contact block constituting a measuring port is deposited in the metal layer of the silicon-based inductor. The present invention has a light structure, and implements wind speed detection based on the Bernoulli effect and the coil mutual inductance effect.

Abstract: A fully variable electro-hydraulic valve system, comprising a sliding sleeve (A103, B103), a spiral shaft (A102, B102), a piston (A105, B105), and a reset spring (A104, B104); the sliding sleeve (A103, B103) is fixed relative to an engine; the piston (A105, B105) abuts against a valve assembly (106); the spiral shaft (A102, B102) is axially controlled by a cam surface of a camshaft (101); and the spiral shaft (A102, B102) is provided with a spiral groove (A102D, B102D) and a blockage part (A102G, B102G).

Abstract: Disclosed is a personal flying machine using compressed air as power source, and an operation method thereof, the flying machine including a stationary rotor lift device in a cyclone duct, a seat frame and a compressed air supply device; wherein the stationary rotor lift device in a cyclone duct includes a cyclone duct, in-duct stationary rotors and in-duct compressed air artificial wind blowing ports; wherein the in-duct stationary rotor includes a stationary propeller hub and a plurality of stationary blades fixed connected around the stationary propeller hub and arranged radially; wherein the stationary blade is shaped as an airplane's wing having an airfoil, an angle of attack, a leading edge and a trailing edge; wherein the compressed-air supply device supplies compressed air to the in-duct compressed-air artificial wind blowing ports to eject airflows towards the leading edges of the stationary blades and form a cyclone to generate lift.

Abstract: A fully variable electro-hydraulic valve system having a buffering function, comprising: a camshaft (101), a valve assembly (106), a sliding sleeve (103), a spiral shaft (102), a piston (105), and a position restoring spring (104); the sliding sleeve (103) is fixed relative to an engine; the piston (105) abuts against the valve assembly (106); the spiral shaft (102) is controlled by a cam surface of the camshaft (101) in the axial direction; a spiral surface (102E) is provided at a first end of the spiral shaft (102), and a control gear (102A) is provided at a second end thereof; the sliding sleeve (103) is provided with a buffering oil hole (123) that communicates with a buffering cavity (R), and the buffering oil hole (123) communicates with a low-pressure oil circuit of the engine by means of a throttling device (124).

Abstract: A refrigeration device and a vehicle are provided, and relate to the technical field of vehicles. The refrigeration device is disposed in a trunk of the vehicle, and the refrigeration device includes: a semiconductor refrigeration sheet, having a cold end and a hot end which are disposed oppositely, wherein the hot end of the semiconductor refrigeration sheet is attached to an inner wall of the trunk, and the cold end of the semiconductor refrigeration sheet is disposed toward an inner space of the trunk.

Abstract: A method for detecting a bumpy region of a road surface, an electronic device, a storage medium and a vehicle, are provided, and relate to the field of computer technology. The method includes: acquiring driving state data of a vehicle and an orientation of the vehicle; determining, according to the driving state data, whether the vehicle passes through the bumpy region of the road surface; and in a case where the vehicle passes through the bumpy region of the road surface, determining a location of the bumpy region of the road surface according to the driving state data and the orientation of the vehicle.

Abstract: A method and an apparatus for adjusting a driving training course, an electronic device, and a storage medium are provided, and relates to the field of driving information management, driving training course optimization, and the like. The method includes: collecting current training data in a current training course of a learner driver; acquiring historical training data of the learner driver; comparing the current training data and the historical training data with a corresponding evaluation criterion to obtain an evaluation result; and adjusting a subsequent training course of the learner driver according to the evaluation result.

Abstract: A vehicle door, a vehicle and a driving training system are provided, and relates to the technical field of driving training, wherein the vehicle door includes: a door body, wherein a door handle is provided on an inner side of the door body; and a target object detection apparatus, provided on the inner side of the door body, wherein the target object detection apparatus is configured for detecting whether there is a target object at a target area under a preset condition, and the target area is formed on the inner side of the door body and spaced apart from the door handle by a preset distance.

Abstract: A braking method for a vehicle, an electronic device and a storage medium are provided, and relates to the field of intelligent vehicles. The method includes: generating, in a case where a braking trigger signal is received, a first braking control signal according to a first braking parameter of the vehicle, wherein the first braking control signal is used to control a braking traction mechanism to draw a brake pedal according to the first braking parameter, to perform braking; collecting braking data of a current braking process; evaluating a braking effect of the current braking process according to the collected braking data; and determining whether to adjust the first braking parameter according to a result of the evaluating, wherein the determined first braking parameter is used for a next braking process of the vehicle.

Abstract: The present disclosure relates to a shimming device. The shimming device may include at least one supporting component each of which is configured with a plurality of wire groove groups. Each of the plurality of wire groove groups may include a plurality of wire grooves. Each of the plurality of wire grooves may be in a closed shape. The closed shapes formed by the plurality of wire grooves may be nested. The shimming device may further include wires arranged in the wire grooves of the plurality of wire groove groups of the at least one supporting component.

Abstract: A method includes selecting one of a first safety architecture and a second safety architecture of a protection system configured to monitor a protection system. The protection system includes an input base, a controller base and an output base. The selecting includes selecting one of a first voting logic associated with the first safety architecture and a second voting logic associated with the second architecture. The controller base is configured to execute the selected voting logic. The method also includes configuring the protection system including a plurality of processing channels to operate in one of a first configuration associated with the first safety architecture and a second configuration associated with the second safety architecture. The configuring includes altering the number of processing channels releasably coupled to the protection system and hardware relay output in the protection system.

Abstract: Aspects of this disclosure are directed to an artificial intelligence (AI)-based named entity recognition (NER) method and apparatus, an electronic device, and a non-transitory computer-readable storage medium. The method can include performing, by an electronic device, vector transformation processing on text elements in a to-be-recognized text to obtain text representations of the text elements, and constructing a candidate entity phrase according to text elements that are in the to-be-recognized text and whose total quantity does not exceed an element quantity threshold.

Abstract: A method for assisting driving training, and an electronic device, relating to the field of computer technology, and in particular, to the field of mobile control technology, are provided. The method includes: acquiring training situations of a plurality of teaching vehicles from a server: displaying the training situations of the plurality of teaching vehicles; and generating a control command for driving training according to an instruction of a trainer in a training site; and sending the control command to a vehicle-mounted terminal of a corresponding teaching vehicle. The technical solution may be applied to the training site, and controls the vehicle-mounted terminal based on the mobile device, thereby realizing mobile driving training and improving driving training effects.

Abstract: A method for intelligently scheduling teaching of a driving school, an electronic device, and a storage medium are provided, relate to the technical field of computers, and in particular to the technical field of intelligent scheduling. The method includes: receiving a reservation request initiated by a student of the driving school; determining a status of a training resource reserved by the reservation request; searching for a training resource in an idle status, in a case where the reserved training resource is in a non-idle status; and adjusting the reserved training resource to a training resource in the idle status.