8results about How to "Simplify hardware configuration" patented technology

The invention provides an aerosol generating device, comprising a power supply assembly comprising a power supply; the control assembly comprises a controller and a gate control switch tube; the electric element comprises a first part and a second part, the first part and the second part are both connected with the gating switch tube, and the first part and the second part are configured to provide energy for enabling the aerosol generating product to generate aerosol; the time delay circuit is arranged between the first part and the gate control switch tube, or the time delay circuit is arranged between the second part and the gate control switch tube; wherein the controller is configured to drive the gate control switch tube based on the driving signal, the circuit between the electric element and the power supply is used for conduction, and one of the first part and the second part generates energy before the other one.

The present application belongs to the field of pulse power and laser control, and relates to a continuous multi-pulse generation circuit and a control method sharing a discharge loop, comprising a plurality of continuous multi-pulse generation circuits, each of which comprises a plurality of charging loops, a plurality of voltage dividing sampling resistors, a plurality of discharge switches and a shared discharge loop; the charging loop is used to form a charging path when the discharge switch is turned off, and comprises a charging module, a diode, a charging damping resistor, a charging damping inductor and an energy storage capacitor module; the voltage dividing sampling resistor is used to sample and divide the voltage of the positive electrode of the energy storage capacitor module, and the low-voltage signal obtained by voltage division is used as the feedback control input for adjusting the charging voltage of the charging module; the shared discharge loop is used to generate a current pulse when the switch is turned on, and the plurality of continuous multi-pulse generation circuits respectively form a plurality of discharge loops with the shared discharge loop; the hardware configuration of the discharge loop is simplified, and a multi-pulse string with flexible configuration attributes can be generated.

The application relates to a long-span bridge nonlinear aerodynamic damping self-supervised identification method based on a hardened non-Gaussian response probability density constraint, which comprises the following steps: S1, acquiring displacement response data of a structure under side wind excitation; S2, pre-processing the displacement response data and constructing a target displacement probability density function; S3, establishing a motion equation related to first-order modal response containing nonlinear aerodynamic damping; S4, deducing an analytical displacement probability density function based on a Fokker-Planck-Kolmogorov equation; S5, constructing a probability density function information embedded self-supervised neural network PDF-ThetaNet; S6, constructing a composite probability distribution loss function and training the PDF-ThetaNet; and S7, outputting nonlinear aerodynamic damping parameters and buffeting excitation strength of a long-span bridge structure. Through construction of a nonlinear aerodynamic damping and unknown buffeting force spectrum strength identification model and based on vertical displacement, a self-supervised neural network based on a probability density function constraint is used to realize identification of nonlinear aerodynamic damping and buffeting force power spectrum strength.

The application relates to the technical field of modular cabin temperature control, and discloses an integrated thermal management system for a modular steel cabin and a control method thereof, the system comprising a main refrigerant circuit, a human cabin water circulation circuit, a plate heat exchanger coupling the two, a fluorine path electromagnetic valve arranged on a refrigerant pipeline leading to the plate heat exchanger, and an intelligent controller, the core of which is that the intelligent controller is configured to, when the system is in a refrigeration mode and it is judged that the human cabin temperature demand has been met while the equipment cabin has a heat dissipation demand, execute cooperative control: keeping the compressor in the main refrigerant circuit running while closing the fluorine path electromagnetic valve. Through the above-mentioned cooperative control logic, the refrigeration capacity is dynamically transferred from the human cabin which has met the demand to the equipment cabin, the compressor is prevented from frequently starting and stopping, the energy utilization efficiency and system operation stability are significantly improved on the basis of not increasing the hardware cost, and the system structure is simplified.

The invention discloses a smart classroom emotion recognition method and system based on dynamic facial expressions. The method comprises the following steps: firstly, acquiring a classroom panoramic video stream, and preprocessing the classroom panoramic video stream to generate a structured facial image sequence; the method comprises the following steps of: obtaining a fused video frame through a space-time attention fusion module, then embedding time and space tokens, inputting the fused video frame into a double-scanning bidirectional Mamaba block to carry out space-time feature extraction and modeling, finally outputting the probability of each emotion through a pre-trained emotion classification model, and selecting the emotion with the highest probability as final output to be fed back to a user. The dynamic facial expression recognition system provided by the invention is light in weight and high in performance, so that facial expressions of students can be accurately recognized in an actual classroom, and the reliability and the stability of results are ensured. The method solves the problems of weak dynamic modeling, strong multi-mode dependence, lack of education closed loop and the like in a classroom scene in the prior art, and is suitable for non-sentible emotion perception and teaching optimization in intelligent education.

The application discloses a kind of detection methods of engine valve lock block missing loading, it is related to engine assembly detection technical field, including using the inherent gap between two valve lock pieces when normal assembly as fixed leakage passage, by machine tool drive semi-automatic plugging down, plugging rubber ring and valve spring seat are adhered to form detection cavity.By test leakage machine to detection cavity inflation, according to the leakage cross-sectional area and height of normal assembly deduce maximum legal loss boundary, set as leakage upper limit.Inflation pressure monitoring after stabilization, when actual leakage exceeds leakage upper limit, it is judged that there is missing loading defect and NG signal is output, and other cylinders are tested for leakage in turn, and data is synchronously interacted to system.The present application overcomes the limitation of traditional differential pressure leakage relying on completely closed cavity, directly identifies missing loading defect by capturing the pressure drop difference caused by component loss, and realizes automatic quality interception.

The invention discloses a test control device and method for simultaneously stabilizing the pressure of a main oil way and the flow of a branch oil way. Comprising a main oil way (1), and the outlet end of the main oil way (1) is connected with a branch oil way (2) needing flow control and a branch oil way (3) not needing flow control in parallel; and a proportional flow valve A (4) and a proportional flow valve B (5) are respectively arranged on the branch oil path (2) needing flow control and the branch oil path (3) not needing flow control. The test efficiency is high, the control method is stable and reliable, and the control effect is good.

The present invention discloses a platform electronic safety line alarm device and method, the device comprises: one or more safety modules, each of which comprises: a line crossing detector, a photosensitive detector, a control module, and a display module, the display module comprises one or more LED display screens for marking the electronic safety line; the line crossing detector is used to detect the current position of passengers on the platform, and after detecting that a passenger has crossed the safety line, sends a line crossing detection signal to the control module; the photosensitive detector is used to detect the ambient brightness, and sends a brightness detection signal to the control module; the control module outputs line crossing prompt information to the display module according to the line crossing detection signal; and controls the brightness of the LED display screen according to the brightness detection signal; the display module is used to display the line crossing prompt information on the LED display screen. By using the present invention, the automation level of platform management can be improved, and the personal safety of passengers waiting for the platform can be better guaranteed.