87results about How to "Avoid repeated switching" patented technology

Disclosed is a touch screen mobile terminal and a short message display method thereof. The method includes steps that a user implements touch operations to a contact list window to request for browsing a contact list, the contact list window displays user request data in full screen, and a short message window is hidden; the user implements touch operations to the contact list window to request for obtaining short message data of a target contact, the short message window is activated and popped to enable a short message interface to be in a split screen display state, and the user request data is displayed in the short message window; the user implements touch screens to the short message window to request for checking or editing short message data of the target contact, a short message contact list of the target contact is displayed in the short message window, and a short message editing box pointing at the target contact is provided. By the touch screen mobile terminal and the short message display method thereof, the user can check or edit short message folder content of different contacts under a short message interface without repeated operations, so that operation time is saved, repeated switching of operating interfaces is avoided, and short message display processes are simplified.

The invention relates to an MR (Mediated Reality)-based surgical navigation system, equipment and method as well as a storage medium. A coordinate origin data set of a corresponding lesion is acquiredthrough a probe unit and a camera unit to obtain a three-dimensional image coordinate model, and then physical coordinate information and eye calibration information corresponding to an MR projectionunit are acquired, so that the MR projection unit displays three-dimensional image information which is superimposed with the lesion of a patient in a real scene and registered in real time. The location of the lesion, an operation plan and the like can be displayed in an operation area in real time during the operation process, so that the sight and the area of concern of a surgeon are concentrated on the operation area, the repeated switching between the operation area and a navigation computer display is avoided, the reliability of operation and the accuracy of navigation are improved effectively, the tedious step for frequent change of an operation tool to a navigation probe by the surgeon in the traditional navigation during operation is avoided, the continuity of the operation is improved, and the operation time is shortened.

The invention discloses a controlling method of a bridge type inverter and a controlling device. The controlling method comprises the following steps of sampling an input voltage Vp of the bridge type inverter, generating a corresponding mode selection signal according to a current operation mode of the bridge type inverter, the input voltage Vp, a presupposed switching point voltage Vs as well as a presupposed switching hysteresis difference deltaV, and outputting a corresponding driving control signal to a control end of the bridge type inverter according to a mode selecting signal; and controlling an operation mode or an operation state of the bridge type inverter, wherein the operation mode of the bridge type inverter comprises a full bridge mode and a half bridge mode. The controlling method and the controlling device provided by the invention have the advantages that an input range of the bridge type inverter can achieve the input range of a two-stage converter, the free switch of the half bridge and the full bridge is realized, components are saved, the cost is reduced, the efficiency is improved, and in addition, repeated mode switch is prevented at the critical point during mode switching, and the relative stability operation of the circuit is guaranteed.

The invention discloses an intelligent vehicle steering control system and method based on piecewise affine layered control. Through piecewise affine description of tire nonlinear force, a lateral dynamics PWA model is established, and then different control modes are switched under different vehicle speeds according to the model to achieve accurate steering. According to the intelligent vehicle steering control system and method, a piecewise affine method is adopted to describe the non-linear characteristic of wheel force, and then the vehicle lateral dynamics PWA model is established. Basedon the dynamic model, different control methods are selected under different vehicle speeds and working conditions. Fuzzy speed boundary, divergent switching delay and dynamic performance index are mainly considered in decision-making to improve control accuracy. In addition, a vehicle body stabilization module is additionally arranged at the position of a traditional execution module to detect the center of mass sideslip angle and yaw rate, and soft constraints of the center of mass sideslip angle are put forward according to different working conditions, corresponding yaw moments are appliedto keep the center of mass sideslip angle and yaw rate stable, and thus the vehicle stability is improved.

The invention discloses a working size switching circuit for power transistors in a DC-DC converter, mainly solving the problem of difficulty in reaching high efficiency by the traditional DC-DC converter when in a low load state. The working size switching circuit comprises a pulse width modulation (PWM) comparing module, a first drive module, a first pair of power MOS (Metal Oxide Semiconductor) transistors, a hysteresis comparing module, a second drive module and a second pair of power MOS transistors, wherein the PWM comparing module controls the first pair of power MOS transistors to work through the first drive module; the hysteresis comparing module compares a load current with a switching threshold current to generate a judging signal and controls that the second pair of power MOS transistors does not work when the load current is lower than the switching threshold current through the second drive module and the second pair of power MOS transistors works when the load current is more than the switching threshold current, so that actually working power transistors of the DC-DC converter are different in quantity under same load conditions, and the working size of the power transistors are switched. According to the working size switching circuit, the efficiency of the DC-DC converter when in the light load state can be increased, and load currents corresponding to the switching of the working sizes of the power transistors are constant under various working duty ratios.

The embodiment of the invention discloses an inter-system ping-pong suppression method and device, terminal equipment and a storage medium, and belongs to the technical field of communication. The method comprises: when a terminal device is in an inter-system ping-pong state, determining a target network system in at least two network systems, wherein the inter-system ping-pong state is a state inwhich the terminal device repeatedly changes between cells of at least two network systems; and turning off the network capability of the terminal equipment in other network systems, wherein the other network systems are network systems except the target network system in at least two network systems. By adopting the scheme provided by the embodiment of the invention, the terminal equipment can be prevented from being repeatedly switched among cells adopting different network types, and the network performance of the terminal equipment is improved.

The invention aims to provide a switchable successive / secondary boosting structure and a control method; two boosting structures of successive boosting and secondary boosting are changed for fusing; the invention further provides a two-boosting mode-switchable control method; the organic combination of the successive boosting and the secondary boosting is realized; and the advantages and the disadvantages of the two boosting modes are complementary. The switchable successive / secondary boosting structure and the control method can be applied to boosting systems of two or more exhaust driven superchargers, and can realize three modes of single turbocharger, two-turbocharger parallel connection-successive boosting and two-turbocharger serial connection-secondary boosting. The switchable successive / secondary boosting structure and the control method can improve the problem of weak matching between the exhaust driven superchargers and all working conditions of internal combustion engines, enhance the power performances of the internal combustion engines, improve the efficiency, reduce the emission, and are specifically suitable for the internal combustion engines with wider working condition ranges.

The invention is applicable to the field of software upgrading and provides an OTA (over-the-air) technology based system upgrading method and an OTA technology based system upgrading device. The method includes: receiving an installation instruction of an OTA technology based system upgrading file and restarting a system; acquiring color matching parameters of a system restart interface, and displaying the system restart color matching parameters to serve as color matching parameters for a system upgrade and optimization interface; displaying a progress bar for system upgrade and optimization completion rate at the current time according to a pre-acquired system upgrade and optimization time value. The method and the device have the advantages that repeated switching of a screen during startup and shutdown can be avoided; since the progress bar for current system upgrade is displayed according to the pre-acquired system upgrade and optimization time value, user operation is simplified while updating progress of the whole system can be checked conveniently, user misoperation can be avoided effectively, and more convenience is brought for a user to upgrade.

The invention discloses a user terminal and a method and a device for lowering the power consumption of the user terminal. The method for lowering the power consumption of the user terminal comprises the following steps: acquiring the transmitting power of a power amplifier in the current working state of the user terminal; selecting a mapping relation between configured power segments and driving voltages from stored automatic power-consumption-saving technical information, and acquiring a driving voltage corresponding to the transmitting power of the power amplifier, wherein a voltage value corresponding to each power segment is equal to a minimum driving voltage value corresponding to the maximum power in the power segment; and driving the power amplifier by adopting the acquired driving voltage. Through adoption of the method and the device, the power consumption of the power amplifier can be effectively lowered.

The invention relates to a transmission unit comprising a planetary gear set which comprises a plurality of gear elements and is designed as a pump, which brings about delivery of hydraulic fluid from a suction chamber to a pressure chamber of a pump housing containing the planetary gear set by means of the gear elements. A controllable throttle device is provided for selectively throttling a fluid flow delivered between the suction chamber and the pressure chamber, and for thereby braking the gear elements of the planetary gear set relative to each other. A fluid tank is disposed in an intermediate space of the pump housing formed between a plurality of gear elements of the planetary gear set and can be connected to the suction chamber and the pressure chamber simultaneously by means of the throttle device.

The invention provides a pulse width modulation method, a pulse width modulation system, and a controller. Thus, a three-phase inverter can select a modulation mode according to modulation parameters,a harmonic standard requirement is met while the normal operation of the three-phase inverter is ensured, and the stability of a three-phase inverter system is improved. The method in the embodimentcomprises steps: modulation parameters of the three-phase inverter are acquired, wherein the modulation parameters of the three-phase inverter comprise a degree of modulation and an operating parameter of the inverter, and the operating parameter is used for indicating the operating state of the three-phase inverter; when the modulation parameters meet a continuous pulse width modulation (CPWM) condition, CPWM is selected as the modulation mode of the three-phase inverter; when the modulation parameters meet a discontinuous pulse width modulation (DPWM) condition, DPWM is selected as the modulation mode of the three-phase inverter; and when the modulation parameters do not meet the CPWM condition or do not meet the DPWM condition, the modulation mode of the three-phase inverter during theprevious control period is selected as the modulation mode during the current control period.

The invention discloses a sample testing method and device and a computer readable storage medium. The sample testing method comprises the following steps: grouping samples, which have a same test mode, of all samples in a test tube rack to obtain N test groups, wherein N is a positive integer; sequencing N test groups according to different priorities, sequencing samples in each test group according to different priorities to obtain the test sequences of all samples; and testing all samples according to the test sequence. The provided testing method and device can improve the sample detectionefficiency.

The invention discloses a control method and a control device of an intelligent power module. The control method comprises the following steps: obtaining the temperature of an intelligent power module at current moment; determining the temperature change trend of the intelligent power module according to the temperature at current moment and the temperature at previous moment; regulating the temperature of the intelligent power module according to the temperature change trend; and controlling the connection and disconnection of the intelligent power module according to the temperature of the intelligent power module. The temperature is regulated in real time according to the temperature change trend of the intelligent power module, so as to control the connection or disconnection of the intelligent power module, and automatic disconnection of the intelligent power module at excessively high temperature is prevented. The problem of repeated start and shutdown of the intelligent power module is solved, and the operation stability of the intelligent power module is improved.

This invention provides a method for interacting information with the demand communication system directly on web pages including: when a web page executes the interaction operation with the demand communication system the interaction information, it calls web page interaction components used in communicating with the demand communication system to send to operation information to the system, which executes related operation. Another method is also provided including: starting and logging on demand communication end software at the local terminal, when the web page executes the interactive operation of information with the system, it reports said operation information to the customer end software, which receives said operation information and carries out related operation to interact information with the demand communication system.

The invention belongs to the technical field of household cleaning, and relates to a control method and device for cleaning equipment, an electric appliance, electronic equipment and a storage medium;The control method of the cleaning equipment comprises the steps that: the working state of the cleaning equipment is acquired; a first actual humidity value of a cleaning part of the cleaning equipment is detected according to the fact that the working state of the cleaning equipment is a standby state; the first actual humidity value is compared with a target humidity value; and water is supplemented to the cleaning part according to the fact that the first actual humidity value is smaller than the target humidity value. According to the control method of the cleaning equipment, the tediousprocess that a user disassembles the cleaning piece for soaking is avoided, and the time needed by cleaning of the user is shortened; the water consumption can be controlled during water replenishing, so that the waste of water resources is avoided; and repeated switching of the cleaning part between complete drying and hardening and wetting and softening is avoided, the service life of the cleaning part is prolonged, and the cleaning cost of the user is reduced.

The invention relates to a network connection method and device, and in the technical scheme, network distribution equipment and equipment to be subjected to network distribution are connected with anetwork in a second wireless connection mode. And after the to-be-distributed network equipment fails to distribute the network by adopting the second wireless connection mode, the distribution network equipment interacts with the to-be-distributed network equipment by adopting the first wireless connection mode and sends the distribution network information, so that the to-be-distributed networkequipment can perform network connection again by using the distribution network information. Thus, in the network distribution process, the equipment to be subjected to network distribution is prevented from being repeatedly switched between the router and the network distribution equipment in the second wireless connection mode, and the network connection success rate is improved. In addition, the distribution network equipment can still use the second wireless connection mode to connect the network without influencing the use of the network.

The invention belongs to the technical field of switching power supplies, and particularly relates to a control method of a flyback power supply and a control circuit of the flyback power supply. A flyback circuit valley bottom switching problem is solved based on a double-frequency clamping strategy, and a main mode of the double-frequency clamping strategy is that: zero-cross detection is carried out on ZCD signals of a flyback power supply according to periods to obtain valley bottom signals, the valley bottom times of each period are obtained by counting the triggering times of the valley bottom signals, a valley bottom change signal is obtained according to the current valley bottom frequency and the last period valley bottom frequency, and then according to the valley bottom signal, the valley bottom change signal is combined with two groups of signals of a high-frequency clamping signal and a low-frequency clamping signal generated by the frequency control circuit to finally generate a driving signal of a control switch. The change of the opening number of the valley bottoms is limited through the double-frequency clamping, the transmission power range in the same valley bottom state is enlarged, and the situation that the valley bottoms are repeatedly switched due to the change of system input conditions when the valley bottoms are switched near working points is avoided.

The invention relates to the technical field of Internet-of-things, and discloses a scene setting method, which comprises the steps of displaying a scene option and a position label corresponding to the scene option; displaying a scene information list after the user selects the scene and the position label and submits the scene and the position label; and after the user selects one or more scenesfrom the scene information list and confirms setting, adding the one or more scenes into the user-defined scene library to complete scene setting. According to the method, the scene information listcan be displayed according to the scene options and the position labels corresponding to the scene options; the user can conveniently select the required scene from the scene information list and select the corresponding position label, and one or more scenes can be quickly added to the user-defined scene library, so that the interface operation is simple, the user is prevented from repeatedly switching the interface in the scene setting process, the flow is saved, and the user experience is improved. The invention further discloses a scene setting device and a mobile phone.

The invention relates to an efficient coupling energy taking based high-voltage TSC driving device, belongs to the technical field of high-voltage TSC driving, and aims to solve problems such as poor isolation intensity and poor anti-interference ability of a high-voltage TSC driving device at present. The efficient coupling energy taking based high-voltage TSC driving device comprises a signal conditioning module, a control module, an optical fiber transmission module, a DC power supply circuit, a coupling energy taking circuit and a TSC driving circuit, and is characterized in that three-phase voltage and three-phase current at a load side of a power distribution network are inputted into the signal conditioning module, voltage and current signals outputted by the signal conditioning module are transmitted to the control module, switching signals outputted by the control module are transmitted to each thyristor driving board of the TSC driving circuit through an output end of the optical fiber transmission module; high-frequency output of the DC power supply circuit is transmitted to the coupling energy taking circuit, and the coupling energy taking circuit provides a working power supply for each thyristor driving board of the TSC driving circuit; and the thyristor driving boards output driving signals to gate poles of thyristors according to zero-cross detection signals and the switching signals of the corresponding thyristors. The efficient coupling energy taking based high-voltage TSC driving device is used for driving high-voltage thyristors.

The invention discloses a quick heavy-route method and node. The method comprises following steps: A, node receives port down interruption or topotactic transformation information, then judges if fault port lies in main label exchange path LSP, if so, then performs B; B, judges if present node is header node, if so, then performs quick heavy-route switching and switches service traffic flow from main LSP to protected LSP, or, sends port down topotactic transformation information to other direct connection node main LSP can reaches, the other direct connection node performs step A after receiving port down topotactic transformation information. The invention can promote quick heavy-route switching speed without increasing hardware cost, guarantees network stability and is not limited by middle node number.

The invention discloses an automatic assembly welding clamp for axle housing flanges, belongs to the technical field of axle clamp equipment, and aims to solve the problems that in the prior art, a clamp is single in structure and cannot adapt to fixation of a plurality of parts on the same equipment, and an axle housing assembly cannot be overturned. The automatic assembly welding clamp for the axle housing flanges comprises an overturning device and a clamping device, wherein the overturning device comprises a large overturning structure, as well as a driving end chuck device and a driven end chuck device which are connected to the two ends of the large overturning structure respectively; the clamping device comprises a first flange plate positioning device and a second flange plate positioning device which clamp the two ends of an axle housing respectively; an axle housing smoothening device is arranged between the first flange plate positioning device and the second flange plate positioning device; and a lifting positioning assembly matched with the axle housing smoothening device for clamping is further arranged on the side face of a mounting plate, so that workpieces of different sizes are fixed, and the problem that the workpieces of different sizes are not matched is avoided.

Provided are an infrared control device and method, and a camera. The infrared control device of the present invention comprises: a light intensity counting module, a sliding filtering module, a window comparison module, an energy analysis module and a control module, wherein the light intensity counting module counts an average sensed light intensity according to imaging data; the sliding filtering module filters the average sensed light intensity; the window comparison module compares the average sensed light intensity to an open threshold value, and if the average sensed light intensity is greater than the open threshold, a first control signal is output; the energy analysis module conducts an energy analysis according to the imaging data so as to judge the state of an infrared lamp, if the infrared lamp is turned on, a second control signal is sent, and if the infrared lamp is turned off, a third control signal is sent; and the control module controls the infrared filter to be turned off according to the first control signal and the second control signal, and controls the infrared filter to be turned on according to the first control signal and the third control signal. The embodiments of the present invention can improve the imaging stability of a camera.

The embodiment of the invention discloses a series compensation circuit, system and method for a power distribution network. The circuit comprises a main line, an electricity utilization circuit, a capacitor bank and a control circuit, wherein the electricity utilization circuit is connected with the main line, the capacitor bank is connected with the electricity utilization circuit in parallel, and the control circuit is connected with the main line and the capacitor bank. The capacitor bank comprises at least one capacitor and at least one breaker and further comprises at least two parallel branches including the first branch and the second branch, wherein the first breaker and the first capacitor are sequentially arranged on the first branch, and the second capacitor is arranged on the second branch. The on-off of the capacitors on the branches in the capacitor bank is controlled, so that the on-off of part of the capacitors is achieved; a capacitance gradient with different levels is added to the circuit, so that line voltage regulation is smoother, and series compensation for the power distribution network is facilitated.

The invention provides an automatic voltage control method based on active power trend judgment, and belongs to the technical field of automatic voltage control of a power system. The method comprises the following steps: obtaining a day-ahead power flow forecast result, and calculating active power values of all transformer substations at all moments in the whole day through active power values of all main transformer high-voltage side windings at all moments in the next day; then, according to the all-day active power change trend of each transformer substation, establishing a priority action time period set of the transformer substation in the next day; and when the automatic voltage control cycle of the next day arrives, if the current moment belongs to the priority action time period set under the condition that the voltage of the transformer substation does not exceed the limit, formulating an optimization strategy for switching the discrete reactive power equipment by the transformer substation according to the load change condition of the time period. The method realizes the prevention and control of the voltage of the transformer substation, avoids the repeated switching of discrete reactive power equipment in the transformer substation in a rapid load change period, reduces the fluctuation amplitude of the voltage, and improves the voltage stability and voltage quality of a power grid.

The embodiment of the invention belongs to the technical field of communication and discloses an intermediate node, a cascade protection system and a cascade protection method. The intermediate node is connected with a first node through a first working channel and a first protection channel, and connected with a second node through a second working channel and a second protection channel. The cascade protection system comprises a receiving unit and a processing unit, wherein the receiving unit is used for receiving and then outputting a first signal of the first working channel and a second signal of the first protection channel, and receiving and then outputting a first monitoring message corresponding to the first signal and a second monitoring message corresponding to the second signal; the processing unit is used for judging whether the first signal and the second signal are normal according to the first monitoring message and the second monitoring message output by the receiving unit; and if the first signal and the second signal are judged to be normal, the first signal is output to the second working channel, and the second signal is output to the second protection channel. The intermediate node, the cascade protection system and the cascade protection method can shorten the switching time of services during a single-point fault.

The invention discloses a hot backup method of a VTS multi-sensor information comprehensive processing system. The method comprises the following steps: step one, synchronizing clock; step two, establishing an information corresponding table; step three, establishing a chained topology list; step four, determining a working machine; step five, synchronizing data; step six, switching fault; and step seven, after the equipment fault is recovered, repeating steps three to six, establishing a new chained topology list, and repeatedly and circularly executing to realize automatic monitoring switching of a backup machine. The hot backup of the multi-sensor information comprehensive server is realized, and a reliability requirement on a heartbeat link by the hot backup, the flexibility and uniqueness of the automatic switching of the working machine and the backup machine are comprehensively considered, a closed-loop synchronization mechanism is designed according to a data integrity requirement on the VTS multi-sensor information comprehensive processing, and the high reliability and stability of a VTS system are well guaranteed by adopting a way of taking starting time as unique arbitration decision for the working machine.

The invention provides a network topology display method and a network topology display device. The network topology display method comprises the following steps: acquiring a network topology structure of network topology; confirming the connection grade and the connection relationship of different pieces of network equipment in the network topology according to the network topology structure; expressing the connection grade and the connection relationship of the network equipment in a command line manner, thereby forming network topology command files. According to the network topology display method and the network topology display device, the network topology structure can be displayed through the command lines and can be conveniently checked by development operators in the development process, the time waste caused by the fact that the network topology needs to be browsed in a browser or client software is avoided, and the checking efficiency is improved.

An ARM embedded microprocessor based reactive power compensation device comprises a 32-bit microprocessor based on an ARM framework, wherein the 32-bit microprocessor is connected with a 16 MB nonlinear Flash, 8 MB SDEM (software development engineering methodology), IBM (international business machine) linear Flash, an LCD (liquid crystal display), a communication interface, a status signal input DI (digital input) interface, a status signal output DO (digital output) interface and a keyboard. According to the continuous reactive power compensation device which is based on a soft switching technology and suitable for a high-voltage three-phase symmetric system, the continuous adjustment of reactive power can be achieved, a power factor is closer to 1, over compensation cannot be caused, and the problem of repeated switching is solved.

The embodiment of the invention discloses a page information analysis method and device, electronic equipment and a computer readable medium. A specific embodiment of the method comprises the steps of determining attribute information of a target element in response to a detected selection operation on the target element in a webpage in a walkthrough mode; in a design draft page of the web page, determining a target layer corresponding to the target element and design information of the target layer, the design draft page and the web page being displayed on the same screen; performing difference analysis on the attribute information and the design information to generate difference information; and generating a walking task according to the difference information. The embodiment provides the page information analysis method for the webpage application. According to the method, the page elements and the corresponding layer information can be intelligently analyzed, and the difference information is output, so that the design walking efficiency of the page can be improved.