55 results about "Continuous mode" patented technology

A device adapted to be secured to the foot of a user includes one or more vibration actuators configured to provide vibrations to the user's foot, one or more force or acceleration sensors configured to sense forces or acceleration exerted by the user's foot, and a controller configured to operate the vibration actuators in a continuous mode to provide intermittent vibration to the user's foot independent of information sensed by the force or acceleration sensors. The vibration includes a first period of continuous vibration followed by a second period of no vibration followed by a third period of continuous vibration. The device may also be configured to operate in a feedback mode.

The invention provides a mixed-mode beat control method and system for a press in a continuous stamping production line, and relates to the technical field of industrial automation control, and the method comprises the steps: determining a cooperative control standard, an operation safety boundary and a control technical index through obtaining related data of the continuous stamping production line; on the basis, the initial phase interval of a sliding block of the target press switched to the discontinuous mode is adjusted, a target phase interval is obtained, and a data transmission channel among all the presses, the mechanical arm and the robot in the continuous stamping production line is established; first operation state data of all the presses, the mechanical arm and the robot are collected through the channel, so that the actual operation rhythm of the mixed mode of the presses in the continuous stamping production line is adjusted, the adjusted rhythm is obtained, the continuous stamping production line can operate according to the continuous mode after any press is switched to the discontinuous mode, and the continuous stamping production line can operate according to the continuous mode. And the self-adaptive coordination of the whole-line rhythm in the mixed mode of the press is realized.

Device for controlling at least one light-emitting diode (LED1) to generate short light pulses (LP),- with an H-bridge (H) consisting of a first half-bridge (HB1: T1, T2) with a first transistor (T1) and a second transistor (T2) and a second half-bridge (HB2: T2, T3) with a third transistor (T3) and a fourth transistor (T4),- wherein the H-bridge (H) is controlled by a control unit (ST) and- wherein the H-bridge (H) can be operated by the control unit (ST) in pulsed mode (GPB) and in quasi-continuous mode (QDB) and- wherein the first half-bridge (HB1: T1, T2) is supplied with electrical energy from a first positive supply voltage (VCC1) and a first negative supply voltage (GND1) and- wherein the second half-bridge (HB2: T3,T4) is supplied with electrical energy from a second positive supply voltage (VCC2) and a second negative supply voltage (GND2) and- wherein the light-emitting diode (LED1) is connected with its cathode (K) to the output of the first half-bridge (HB1: T1, T2) and- wherein the light-emitting diode (LED1) is connected with its anode (A) to the output of the second half-bridge (HB2: T3, T4) and- wherein the first positive supply voltage (VCC1) and the second positive supply voltage (VCC2) can be equal and- wherein the first negative supply voltage (GND1) and the second negative supply voltage (GND2) can be equal and- wherein the light source, in particular the one or more light-emitting diodes (LED1), represents the load of the H-bridge (H) between the output of the first half-bridge (HB1: T1, T2) and the output of the second half-bridge (HB2: T3, T4) and- wherein the control device (ST) is designed to operate in pulsed mode (GPB) a “PAn” condition,in which a forward voltage in the forward direction of the light-emitting diode (LED1) is applied to the light-emitting diode (LED1) through the H-bridge (H), is not maintained by the H-bridge (H) for longer than a turn-on time (τpp), and- wherein the control device (ST) is designed so that in pulsed operation (GPB) a "PAus" state, in which a reverse voltage against the forward direction of the light-emitting diode (LED1) is applied to the light-emitting diode (LED1) through the H-bridge (H), is not maintained by the H-bridge (H) for longer than a clearing time (τpn), and- wherein the clearing time (τpn) is less than the charge carrier lifetime (τ) in the PN junction of the light-emitting diode (LED1), and- wherein the turn-on time (τpp) is less than the charge carrier lifetime (τ) in the PN junction of the light-emitting diode (LED1).

The utility model discloses a thermal insulation glove which comprises a front piece, a back piece and a connecting portion, the back piece is arranged on the two sides of the connecting portion in a continuous mode, and the front piece is arranged on the back piece to form a first containing cavity and a second containing cavity. One end, close to the connecting part, of the back sheet and one end, close to the connecting part, of the front sheet form an inserting opening, and the width of the inserting opening of the first containing cavity is smaller than that of the inserting opening of the second containing cavity. The thermal insulation glove can improve the use flexibility, is convenient to operate, can adapt to multi-angle free opening and closing between the thumb and other fingers, has ornamental value and is suitable for various scenes, and the fingers are not prone to fatigue.

The invention discloses a control method of a whole-piece device for a bamboo fibrosis recombination unit. The control method comprises the steps that S1, feeding conveying control is conducted, specifically, a control system controls a first rotating source and a second rotating source to operate, so that a first conveying belt operates in a continuous mode, and a second conveying belt operates in a stepping mode; s2, straightening control is conducted, specifically, the two ends of the bamboo fibrosis recombination unit are controlled to be straightened in sequence; s3, pushing control is conducted, and lap joint of every two adjacent bamboo fibrosis recombination units is achieved; and S4, knitting control is conducted, specifically, the control system drives a knitting mechanism to operate to conduct knitting treatment on the lapped bamboo fibration recombination units on the second conveying belt. Advancing of the recombination units is achieved through the front conveying belt and the rear conveying belt, lap joint of every two adjacent recombination units is achieved at the joint position of the two conveying belts, working procedure decomposition is clear, mechanical time sequence coordination is precise, full-automatic control is achieved, continuity of the lap joint process of the bamboo fibrosis recombination units is guaranteed, and product quality is guaranteed.

This invention provides a flyback power supply, a synchronous rectification control circuit, and a method, comprising: a turn-on control module for generating a turn-on control signal for the synchronous rectifier; a turn-off control module for generating a turn-off control signal for the synchronous rectifier when the drain-source voltage of the synchronous rectifier rises to a turn-off threshold, and simultaneously adjusting the turn-off threshold based on the peak value of the drain-source voltage of the synchronous rectifier; and a drive signal generation module for generating a drive signal for the synchronous rectifier based on the turn-on control signal and the turn-off control signal; wherein the turn-off threshold is a negative value. This invention automatically adjusts the turn-off threshold according to the drain-source voltage of the synchronous rectifier, solving the voltage stress problem caused by common operation in continuous mode, enabling the system to operate safely and efficiently in continuous mode; simultaneously, it achieves maximum conduction time in discontinuous mode, resulting in high system efficiency; furthermore, this invention reduces the comparator delay requirement and eliminates the need for specific processing of the primary-side control drive, making it simple and easy to implement.

The invention discloses reactive ion etching equipment and an etching method for processing a semiconductor device, and relates to the technical field of semiconductor etching, and the reactive ion etching equipment comprises a reaction cavity which is provided with an upper gas distribution area and a lower sample placement area; wherein at least a first chamber and a second chamber are formed in the reaction chamber, the first chamber and the second chamber cover part of the wafer, and airflow control units are arranged in the first chamber and the second chamber; etching gas passes through the plasma from top to bottom and forms a sheath layer above the sample stage, so that ions generated by the plasma pass through the sheath layer and then are incident towards the surface of the wafer. Through the combination of structural partition, movable recovery and variable gas supply, sample table cooperation and closed-loop sequential control, the etching stability in a continuous mode is kept, the influence of by-product accumulation on the etching precision in a pulse mode is reduced, and the repeatability, the selective control capability and the device yield of pulse etching are improved.

The invention belongs to the technical field of power distribution control, and relates to a box-type substation low-voltage circuit breaker remote control system and method, and the system comprises a control power input terminal, a local and remote mode switching unit, an electric operation mechanism, a low-voltage circuit breaker, a state indication unit, and an alarm indication unit. The source state switching module is used for judging the states of the equipment side power supply and the standby power supply and supplying power to the control loop according to a priority rule; the mode interlocking module is used for selecting an instruction source according to a mode state and shielding a non-corresponding signal; and the state freezing module is used for outputting an abnormal signal and freezing the control loop when the auxiliary contact state is inconsistent with the mechanism position signal. According to the technical scheme, through multi-layer logic of power supply judgment, mode interlocking and state freezing, continuous power supply control, safe mode switching and reliable state monitoring are achieved, and the operation requirements of continuous controllability, safe action and accurate state display are met.

The invention discloses an acceleration level continuous quaternion trajectory planning method, system and device and a medium, relates to the technical field of mechanical arm control, and solves the technical problem that acceleration level planning cannot be performed on the tail end posture of a robot. A vector transformation rule is utilized to determine a quaternion attitude rotation direction, and quaternion ambiguity is eliminated; according to the method, quaternion decoupling is achieved through the transformation relation between descriptors, interpolation is conducted on the decoupled pose in an acceleration level continuous mode, it is guaranteed that the smoothness of the mechanical arm in the movement process is achieved, meanwhile, singularity is avoided, and error calculation is simplified. While robot end posture acceleration level planning is achieved, universal joint locking existing in the movement process is avoided, and complexity in the mechanical arm planning process is reduced.

A common-mode voltage generation method is provided and comprises: obtaining a DC voltage, AC voltages, and a modulation index of a DC / AC converter; generating an injection instruction of a common mode voltage for pulse width modulation based on the DC voltage, the AC voltages, the modulation index, and an adjustable modulation control factor; and providing the injection instruction to the converter, in which the injection instruction is used to instruct the converter to adjust the common mode voltage variably in accordance with changes in the modulation index and the modulation control factor. This disclosure enables the automatic adjustment of the common-mode-voltage according to the DC voltage and the AC voltages, based on pre-defined performance of the converter in terms of switching losses, CMV, and harmonics. With this automatic adaption, the modulation of the converter is changed between discontinuous mode to continuous mode.

Headlights (SW), in particular for use in vehicles,- with at least one first LED (LED1) as a light source and- wherein the headlight (SW) may include further light sources and- wherein the headlight (SW) emits light in a emitted wavelength range (AWB) in the visible wavelength range and- wherein the headlight (SW) is capable of emitting light pulses in at least one visible wavelength range, the light pulsed wavelength range (LPWB) and- wherein the light pulsed wavelength range (LPWB) is a sub-range of the emitted wavelength range (AWB) of the headlight (SW) or is equal to the emitted wavelength range (AWB) of the headlight (SW) and- wherein the first LED (LED1) can emit light in this light pulsed wavelength range (LPWB) and- with an H-bridge (H) for controlling and supplying the first LED (LED1) with electrical energy,- wherein the H-bridge (H) is controlled by a control device (ST) and- wherein the H-bridge (H) can be operated by the control device (ST) in pulsed mode (GPB) and in quasi-continuous mode (QDB) and- wherein the control device (ST) is designed such that in pulsed mode (GPB) a "PAn" state, in which a forward voltage in the forward direction of the LED (LED1) is applied to the LED (LED1) by the H-bridge (H), is not maintained by the H-bridge (H) for longer than a turn-on time (τpp) and- wherein the control device (ST) is designed such that in pulsed mode (GPB) a "PAus" state, in which a reverse voltage is applied to the LED (LED1) by the H-bridge (H), is not maintained by the H-bridge (H) for longer than a turn-off time (τpn)and- where the clearing time (τpn) is less than the charge carrier lifetime (τ) in the PN junction of the light-emitting diode (LED1) and- where the turn-on time (τpp) is less than the charge carrier lifetime (τ) in the PN junction of the light-emitting diode (LED1).

The application discloses a continuous mode bridgeless power factor correction circuit and a control method thereof, which comprises an alternating voltage source AC, a diode D1, a diode D2, a main switch Q1, a main switch Q2, an output capacitor C1, a positive half cycle control circuit and a negative half cycle control circuit. In the application, the freewheeling diode is reversely biased before the main switch is turned on, and the current is transferred to the control circuit auxiliary super-fast diode branch. The body diode of the freewheeling diode has no reverse current when the main switch is turned on, and can work at high frequency. Through proper dead zone setting, the freewheeling diode can realize zero voltage switching. The control circuit only works for a short time, the control method is simple, the average power is small, and the cost is low.

The invention relates to a converter system comprising: - a power electronic converter (1) comprising at least one semiconductor switch (2) and at least one diode (4) to enable operation in intermittent and continuous modes; - a control unit (10) configured to perform controlled control of the at least one semiconductor switch (2) with a predetermined mean reference set current according to a current control, in order to cyclically cause a current increase and a current decrease at an output of the converter, wherein the current control comprises: ◯ a gap-in operation control (21) configured to operate the power electronic converter (1) in gap-in operation by providing a first control signal as a reference to a first node voltage (U) m), in particular in the form of a first duty cycle, depending on the reference setpoint current to be provided, ◯ a continuous-operation control (22) configured to operate the power electronic converter (1) continuously by providing a second control signal as a reference to a second node voltage (U) m ), in particular in the form of a second duty cycle, depending on the reference setpoint current to be provided ( i L * ) to operate, and ◯ an operating mode selection block (24) configured to select the first control signal of the intermittent operation control (21) or the second control signal of the continuous operation control (22) depending on the first control signal or on the specification of the first node voltage (U) m ) to select and use to control the power electronic converter (1).

This invention relates to the field of intelligent vision welding technology and discloses an intelligent robot welding production line, comprising: a track, a movable frame slidably mounted on the track, a multi-axis robotic arm slidably mounted on the movable frame, a connecting shaft rotatably mounted on the movable end of the multi-axis robotic arm, and the connecting shaft being driven to rotate by a first output source. This invention uses the lifting frame's lifting mechanism, coupled with the meshing transmission of a driven gear and a rack plate, to drive the rotating shaft to rotate. The rotating shaft, through a connecting component, links an intermittent rotation component and a stepless rotation component, thereby enabling the camera to achieve dual-mode angle adjustment (positioning in both geared and continuous modes). This eliminates the need for large-scale displacement of the multi-axis robotic arm, completely avoids interference from the welding torch head, eliminates blind spots in weld seam positioning (top, side, oblique, etc.), and solves the problems of single angle and recognition failure in conventional positioning devices, significantly improving weld seam positioning accuracy and adaptability.

This invention belongs to the field of power electronics technology and relates to a control method and system for a high-power four-switch buck-boost converter. The method includes the following steps: acquiring input and output voltages; determining the maximum operating time of the direct power transfer mode and the actual closed-loop output parameters of the PI controller; determining the maximum value of the PI controller's closed-loop output parameters; determining the duration of the charging, direct power transfer, reset, and freewheeling modes; and controlling the four switching transistors in the four-switch buck-boost converter. This invention can adaptively determine the maximum operating time of the direct power transfer mode and the maximum value of the PI controller's closed-loop output parameters under soft-switching critical continuous mode based on the input-output voltage relationship. By comparing the PI controller's closed-loop output parameters with the aforementioned parameters, the duration of each operating mode is reasonably determined, and drive signals are generated. Thus, through precise timing of each operating mode, the inductor current maintains a reasonable ripple range in both soft-switching and hard-switching modes.

A flyback converter is described, configured to operate in a continuous mode with two primary side switches and one secondary side switch, wherein operation contains three switch states; a Primary state wherein both primary side switches are on and current increases in a transformer primary, a Circulate state wherein only one primary switch is on and current circulates in the transformer primary, and a Secondary state wherein both primary switches are off, the secondary side switch is on, and current flows from a transformer secondary into an output of the converter.

This application discloses a fiber laser, relating to the field of laser technology. The fiber laser includes a light source emitting module, an amplification module, and a frequency doubling module. The amplification module is located at the output end of the light source emitting module, and the frequency doubling module is located at the output end of the amplification module. The light beam emitted by the light source emitting module is a first composite beam, which has a continuous mode and / or a pulsed mode. The first composite beam includes a continuous beam and / or a pulsed beam. The first composite beam is amplified by the amplification module and then frequency-doubled by the frequency doubling module to output a second composite beam. The fiber laser of this application can output a second composite beam, which has the characteristics of dual wavelengths and dual operating modes, enriching the application scope of fiber lasers.

The invention provides a method for autonomously repairing and controlling instability of a bogie and a railway vehicle. Wheel out-of-roundness problems such as wheel equivalent taper, radial run-out and wheel high-order polygon are autonomously repaired by detecting the wheel equivalent taper, the radial run-out and the wheel high-order polygon and grinding a wheel tread; releasing wheel equivalent taper, radial run-out and wheel high-order polygon alarms, automatically repairing high-pressure intermittence, low-pressure intermittence and low-pressure continuity through the wheel equivalent taper and radial run-out, and comparing a high-pressure continuity mode with a non-grinding sub-mode to obtain the relationship between the repairing action mileage and the wheel tread modification efficiency; the method is used for restraining rapid growth of wheel out-of-roundness problems such as wheel equivalent conicity, radial run-out and wheel high-order polygons. The relation between the millstone different-mode mileage and the wheel equivalent conicity radial run-out growth rate is obtained.

The utility model provides an in-mold riveting clamp hand automatic nut feeding mechanism which comprises a vibration disc conveying module and a grabbing disc clamping mechanism, the grabbing disc clamping mechanism comprises a normally-closed grabbing disc, a stamping die assembly is arranged on the upper portion of the grabbing disc clamping mechanism, the stamping die assembly comprises an upper die lifting pin, and a lower die lifting pin is arranged on the lower portion of the grabbing disc clamping mechanism. A riveting punch is arranged on the lower portion of the upper die lifting pin, the upper die lifting pin and the riveting punch move synchronously, through the collaborative design of the vibration disc conveying module and the normally-closed grabbing disc, continuous and accurate feeding of nuts is achieved, the continuous die action of the stamping die assembly is matched, the riveting process is completely integrated into the stamping process, the waiting time between the processes is eliminated, and the riveting efficiency is improved. Stamping and riveting rhythms are synchronous, and efficiency is improved by more than 30%.

The invention provides a multi-mode time interference magnetic stimulation system based on chopping control type voltage regulation. The multi-mode time interference magnetic stimulation system comprises an inverter circuit with two same circuit structures, a chopping control circuit and a stimulation coil, wherein the inverter circuit is respectively connected with the direct-current stabilized power supply and the first driving control module, the direct-current stabilized power supply is used for providing power supply, the first driving control module is used for controlling the on-off of a post-stage inverter circuit, the inverter circuit is connected with the stimulation coil through the chopping control circuit, and the chopping control circuit is further connected with the second driving control module. The second driving control module is used for controlling the on-off of the chopping control circuit so as to carry out chopping control on the high-frequency current output by the inverter circuit, and the two stimulation coils are correspondingly arranged above the target area of the head of the subject; the chopping control circuit integrates a continuous mode, an intermittent mode and a chopping control mode. By integrating three stimulation modes of continuous, intermittent and chopping control, the problem that existing magnetic stimulation equipment cannot meet long-time and high-strength experiment and application requirements is solved.

The purpose of the present invention is to control the charging period of a capacitor in a charge / discharge circuit, thereby contributing to the achievement of a continuous mode. The rectifier circuit has a first capacitor and a first reactor, and obtains a rectified voltage by performing full-wave rectification and low-pass filtering on a single-phase AC voltage. A voltage between the first power supply line and the second power supply line is input to the inverter. The charge / discharge circuit has a charge circuit and a discharge circuit. The discharge circuit includes a second capacitor disposed between the first power supply line and the second power supply line. The charging circuit boosts the single-phase AC voltage or the rectified voltage after full-wave rectification, and charges the second capacitor during a charging period. The charging period has a length that is set depending on the phase of the single-phase AC voltage without depending on the amplitude of the input current input to the rectifying circuit. When the voltage of the first reactor drops, both the start point and the end point of the charging period are shifted to the late phase side with respect to the phase. When the voltage of the first capacitor rises, both the start point and the end point are shifted to the late phase side with respect to the phase.

A system and method of an adaptive transmitter for an object detection system having an adaptive transmitter that enables changing power levels to meet health and safety requirements based on proximity information. Adaptive transmitters are placed on gateway pillars of a multi-sensor gateway system using an adaptive transmitter configuration. A patron passes through the center of the gate and always stays far enough away from the transmitters such that the transmitter operates in a high field configuration and remain under appropriate health and safety levels. A patron can also move close to a pillar and enter the second proximity boundary wherein the system would automatically switch to a lower power setting to remain within the appropriate health guidelines. A two-mode power level configuration can be extended to a continuous mode configuration where the power levels are adjusted dynamically. Furthermore, power consumption can be reduced and battery lifetime prolonged.

This invention belongs to the field of integrated optical device technology, specifically relating to a microring resonator and its fabrication method. The device comprises: a substrate; a ring waveguide disposed at the center of the substrate; a U-shaped waveguide disposed on the substrate, wherein the U-shaped waveguide is formed by two straight waveguide segments and a semi-circular arc waveguide connected end-to-end, with the ring waveguide positioned between the two straight waveguide segments to form coupling; and an etched aperture located at the center of the semi-circular arc waveguide; an input waveguide disposed on the substrate and connected to one straight waveguide segment; and an output waveguide disposed on the substrate and connected to another straight waveguide segment. This invention provides controllable loss by introducing an etched aperture in the U-shaped waveguide, achieving coupling interference between discrete and continuous modes to generate asymmetric Fano resonance. By adjusting the waveguide length and the aperture size, high extinction ratio, large slope, or uniform resonance can be achieved at the target wavelength. This device has a simple structure, is easy to manufacture, is compatible with silicon photonics processes, and is suitable for high-performance photonic integrated systems.

To improve convenience in shopping.SOLUTION: The control system controls a screen to be displayed on the terminal. The control system includes a transmission unit that transmits information on a commodity represented by identification information to a server device when the identification information is read on a reading screen on which the identification information of the commodity can be read by an operation of a customer on a terminal, a mode reception unit that receives one of a sequential check mode for displaying a list of information on the commodity when the identification information is read and a continuous mode for displaying the reading screen when the identification information is read, and a display control unit that causes the terminal to display a screen corresponding to the received mode.SELECTED DRAWING: Figure 1

The application discloses a digital controller of an analog comparator, comprising an ACMP register group, a channel switching counter, a filter counter, a polling channel counter and a positive and negative terminal output channel selection module. Four working modes of single continuous mode, single sequence mode, intermittent sequence mode and continuous sequence mode are realized, the channel selection module is used for selecting the channel for comparison, the channel switching time can be freely controlled, and the comparison results of all the polling channels can be updated in real time. New polling channels can be configured in the comparison process, and the user can flexibly define the comparison order of the channels. The technical scheme of the application can realize the working modes of the analog comparator in multiple modes, is flexible in configuration, suitable for multiple working occasions and wide in application.

To provide an electric door closer that is excellent in responding to user needs. [Solution] The system includes a control unit having an automatic opening / closing mode in which the door 1 is opened from the fully closed position to the fully open position 91, then held in the fully open position 91 by the brake for a predetermined stopping time, and then closed back to the fully closed position, and a fully open continuous mode in which the door 1 is held in the fully open position 91 by the brake for longer than the stopping time, a changeover switch to switch the fully open continuous mode ON and OFF, and an external terminal to which an open door signal is input. The fully open continuous mode includes a fully open return control that returns the door 1 to the fully open position 91 when the door 1 is shifted by a predetermined angle or more relative to the fully open position 91. The control unit switches from the automatic opening / closing mode to the fully open continuous mode when the changeover switch is ON and an open door signal is input when the stopping time has elapsed at the fully open position 91.

The application discloses a kind of anti-back mixing high-speed dispersion device, dispersion pipe, and a kind of water-based hydroxyl acrylic dispersion continuous production device and process.The anti-back mixing high-speed dispersion device includes the following components: dispersion stator and cap type dispersion turntable, the upper portion of dispersion stator is provided with clamping groove, the lower portion of cap type dispersion turntable is provided with dispersion tooth, clamping groove and dispersion tooth are engaged;The inner wall of clamping groove is provided with feed port, and the outer wall of clamping groove is provided with discharge port.The anti-back mixing high-speed dispersion device and dispersion pipe of the application can quickly and efficiently neutralize and disperse prepolymer in continuous mode, effectively improve mixing and shearing efficiency, have high dispersion uniformity, the size distribution range of dispersed particle is narrow, and the phenomenon of uneven residence time caused by prepolymer back mixing is avoided.The continuous hydroxypropyl production process and device of the application can realize the rapid and efficient continuous production of multiple varieties of water-based hydroxypropyl dispersion, completely realize automation, have low energy consumption, low production cost and stable product quality.

The application discloses a kind of high-efficiency circuit and control strategy for controlling input current constant when pulse power output, the circuit includes DC power supply, staggered parallel Boost circuit and LLC resonant circuit in phase series;The driving signal of the parallel two branches of staggered parallel Boost circuit is 180 ° complementary and inductance current works in critical continuous mode with partial negative current;The primary side of LLC resonant circuit is half-bridge structure, and the secondary side is full-wave rectification, and the driving of upper and lower switch tubes on the primary side half-bridge is fixed operating frequency.The circuit of the application can be applied to output pulse power occasions such as active phased array radar, pulse electrochemical wastewater, etc., the output load is constant amplitude pulse power, the output voltage of energy storage capacitor decreases in the time with pulse power, the output voltage of energy storage capacitor rises in the time without load, the input current of circuit is kept constant in the whole cycle time, which is conducive to the reliability improvement of power supply DC power supply and the improvement of overall conversion efficiency.

The invention discloses a short-circuit protection control method applied to an LLC-DCX resonant converter, and belongs to the field of electric energy conversion. According to the method, a Burst mode is utilized to convert the output voltage of the switching tube array from a continuous mode to a discontinuous mode, phase shift control is adopted to reduce the pulse width of the input voltage, and the two modulation modes are combined to limit the current increase caused by load switching of the LLC-DCX converter and the output overcurrent during short circuit, so that the output current of the LLC-DCX converter is reduced. And the function of load side short-circuit protection is realized. According to the method, a new control strategy is provided for the direct-current transformer working in an open-loop, fixed-frequency and fixed-transformation-ratio mode, and the short-circuit protection function can be provided for the LLC-DCX topology to achieve output under the severe working conditions of short circuit, load sudden change and the like.

The application provides a press hybrid mode beat control method and system in a continuous stamping production line, relates to the technical field of industrial automation control, and determines a cooperative control standard, an operation safety boundary and a control technical index by acquiring relevant data of the continuous stamping production line. Based on this, the initial phase interval of the slider of the target press switched to the intermittent mode is adjusted to obtain a target phase interval, and a data transmission channel between each press, a mechanical hand and a robot in the continuous stamping production line is established. The first operation state data of each press, the mechanical hand and the robot are collected through the channel, and the actual operation beat of the press hybrid mode in the continuous stamping production line is adjusted according to the first operation state data, so that the adjusted beat is obtained. After any press is switched to the intermittent mode, the continuous stamping production line can operate in the continuous mode, and the adaptive cooperation of the whole line beat in the press hybrid mode is realized.