33results about How to "Same effect as above" patented technology

The invention discloses a control method of a head-mounted device, which is used for controlling the head-mounted device. The method comprises the following steps that: when the head-mounted device isnormally worn, the user can make the head-mounted device generate a movement parameter by moving the head, after the movement parameter is obtained, whether the movement parameter conforms to the preset parameter corresponding to the preset execution logic is judged, and if so, the head-mounted device is controlled to execute the action corresponding to the preset execution logic. Therefore, in the process of controlling the head-mounted device, the user's hand is not required to participate, and only the head action is required. Compared with the prior art control mode in which the user's hand is required to participate, the control device can conveniently control the head-mounted device under the situation that the user driving a car or the like is not convenient to use the hands. In addition, the invention also discloses a control device of the head-mounted device, a storage medium and the head-mounted device corresponding to the method, and the effect is the same as above.

The invention discloses a channel detection method and device and a medium, which are applied to a transmitting end, and comprise the following steps: placing an impulse pilot signal in a time delay-Doppler domain at the transmitting end, modulating the impulse pilot signal to obtain an OTFS signal, transmitting the OTFS signal to a channel needing to be detected after the OTFS signal is obtained so that a receiving end can obtain the OTFS signal, and sending the OTFS signal to the transmitting end. And the OTFS signal is processed to determine the time delay and Doppler characteristics of the channel. Therefore, according to the technical scheme provided by the invention, the impulse pilot signal is directly placed in the time delay-Doppler domain, the signal is modulated by using an OTFS modulation method, the time delay and Doppler characteristics of the channel can be directly obtained, other signal processing is not needed in the process, and the time delay and Doppler characteristics of the channel can be directly obtained. Errors caused by the fact that Doppler domain information of a channel can be obtained only by further processing detected time domain and frequency domain characteristics when pseudo-random sequence detection or multicarrier code division multiple access spread spectrum sequence detection is adopted are avoided, and the detection precision of the channel is improved.

The invention discloses a wireless earphone upgrading method and device. The wireless earphone upgrading method is applied to a wireless earphone capable of being connected with a master ear and a slave ear through an earphone head strip, wherein the earphone head strip comprises a transmission line used for connecting the master ear and the slave ear; and the master ear acquires an upgrade package sent by the mobile terminal, sends the upgrade package to the slave ear through the transmission line for upgrading, writes the upgrade package into the memory for upgrading, and sends a synchronousupgrade command to the slave ear when receiving upgrade preparation ready information of the slave ear. Visibly this, on one hand, the master ear and the slave ear do not need to be switched; and onthe other hand, the master ear can send the upgrade package to the slave ear through the transmission line while writing the upgrade package into the memory, so that time multiplexing is realized, equivalently, the master ear upgrade and the slave ear upgrade are carried out at the same time within the same period of time, and compared with a pipelined upgrade mode in the prior art, the upgrade time is greatly shortened.

The invention discloses a vehicle door unlocking system, method and device and a medium. The system comprises a door handle, a vehicle body controller, a door lock execution mechanism connected with the vehicle body controller, a vehicle door connected with the door lock execution mechanism, a sensor arranged on the door handle, and a control device connected with the sensor and the vehicle body controller, wherein the control device is used for sending a first unlocking signal to the vehicle body controller under the condition that target biological data is in a normal range after obtaining the target biological data which is sent by the sensor and represents the health state of a human body, so the vehicle body controller controls the door lock executing mechanism to open the vehicle door. The control device firstly judges whether the target biological data is in the normal range or not, so that when the target biological data does not belong to the normal range, the vehicle body controller does not control the door lock executing mechanism to open the vehicle door, a problem that a user drives the vehicle under the condition that the body health is poor is avoided, and safety of the user and safety of the vehicle are improved.

The invention discloses an acquisition head rotating speed control method, system and device as well as a medium. The method comprises the steps: presetting a first corresponding relation between a vehicle speed and a rotating speed, obtaining a current vehicle speed and an actual rotating speed, determining a first target rotating speed corresponding to the current vehicle speed according to the first corresponding relation, and controlling a rotating pump of an acquisition head rotating pump to enable the actual rotating speed to be matched with the first target rotating speed. Due to the fact that the first corresponding relation between the vehicle speed and the rotating speed is set in advance, the rotating speed of the collecting head can be adjusted according to the vehicle speed in the crop collecting process, the problem that under the same rotating speed, the picking rate of crops is reduced due to the too high vehicle speed is solved, the picking rate of the crops is increased, and the practicability of a cotton picker is improved.

The invention discloses a board card version upgrading method and device and a medium. The method comprises the following steps: pre-configuring a first corresponding relationship between a level state combination of a target detection position and hardware versions of all board cards, pre-configuring a second corresponding relationship between the hardware version of each board card and a plurality of functional modules of the software update package, and after reading the level state combination of the to-be-detected target detection position, determining a target board card hardware versioncorresponding to the first corresponding relationship according to the first corresponding relationship, and loading a target function module corresponding to the target board card hardware version according to the second corresponding relationship. The level state combination of the target detection position is in one-to-one correspondence with the hardware version of each board card. Meanwhile,the hardware version of each board card uniquely corresponds to a plurality of functional modules of the software update package, so that the board cards of different hardware versions do not need tobe distinguished by using different material codes, and corresponding software does not need to be output for the different hardware versions, thereby improving the working efficiency and reducing the error risk of hardware detection and software matching.

The invention discloses a method, device and equipment for controlling motion of a differential wheel set chassis and a medium, and relates to the technical field of motion control of the differential wheel set chassis. The method is applied to the AGV and comprises the following steps: determining a motion path of a differential wheel set chassis; and the differential wheel set chassis is controlled to move at the overall speed and the overall angular speed according to the motion path, wherein the overall speed and the overall angular speed of the differential wheel set chassis are speed vectors, obtained according to the rigid body kinematics relation, of the differential wheel sets. The problems that power generated on a single wheel in each set of differential wheel set jumps at any time, is suddenly high and suddenly low and has no stability are solved, meanwhile, due to the control method of the steering wheel, the steering wheel cannot spin in situ, compared with the control method of the steering wheel, the differential wheel set can spin in situ, and the problem that the occupied rotating space is large is solved.

The invention discloses an electronic device and a radio frequency circuit thereof. The electronic device comprises a controller, a filter circuit, a radio frequency transceiver, a power amplifier and an antenna matching circuit; the input end of the filter circuit is connected with the output end of the controller, and the filter circuit is used for receiving a baseband signal and filtering the baseband signal; the output end of the filter circuit is connected with the input end of the radio frequency transceiver and used for sending filtered baseband signals to the radio frequency transceiver for modulation, and the input end and the output end of the power amplifier are connected with the output end of the radio frequency transceiver and the input end of the antenna matching circuit respectively; and the power amplifier is used for amplifying the power of the filtered baseband signal and carrying out antenna matching. Therefore, according to the radio frequency circuit provided by the invention, the baseband signal is filtered before the baseband signal is modulated into the high-frequency signal, so that the problem of leakage of the signal in an adjacent channel due to the fact that a part of the amplified signal is out of the required bandwidth range is avoided.

The invention discloses a password protection method, and provides a password protection method aiming at the problem that a plurality of passwords can be invalid after one password is broken when the plurality of passwords are used at present. The specified bit of the password failure enabling identifier stored in the storage medium is determined, and due to the fact that only one password passes through authentication, only one specified bit exists; the designated bit is set to be in an allowed state, other bits are set to be in a non-allowed state, the password failure enabling recognition is in one-to-one correspondence with the passwords according to bits, and only when one bit of the password failure enabling recognition is in the allowed state, failure operation on the passwords is allowed; judging whether a password failure request is received or not; and when a password invalidation request is received, performing invalidation operation on the password corresponding to the specified bit. Therefore, only one password can be invalid in one-time login, and the problem that all passwords can be invalid after one password is cracked is solved.

The invention discloses a file distribution method and device and a medium, relates to the technical field of communication, is used for achieving distribution of configuration files, and provides a file distribution method for solving the problem that an existing configuration file distribution method is not high enough in efficiency. The to-be-transmitted file is sent to the plurality of to-be-received nodes, one-to-many configuration file distribution is realized, the management end does not need to establish one-to-one session connection with different to-be-received nodes and then send the to-be-transmitted file, and the efficiency of configuration file distribution is improved. Meanwhile, due to the fact that one-to-many file transmission can be achieved, the management end does not need to carry out multiple file transmission processes, then the to-be-transmitted file does not need to be read in once in each file transmission process, the configuration file distribution time is further saved, and efficiency is improved.

The invention discloses an image comparison method and device based on a three-dimensional engine and a medium thereof, relates to the technical field of computer vision, and is used for comparing whether images are the same image or not. The invention provides an image comparison method based on a three-dimensional engine, and aims to solve the problems that a conventional Euclidean distance mode is complex in calculation, low in efficiency and inapplicable when an image is in a three-dimensional state. An original image and an image to be compared are respectively compressed into a string of codes in a coding compression mode; and the images are compared in a mode of calculating the Hamming distance. The real distance between the pixel points does not need to be calculated pixel by pixel, the calculation is simple, the speed is higher, and the higher image comparison efficiency is further obtained. Besides, no matter a two-dimensional image or a three-dimensional image, the image can be always compressed into a string of codes in a coding compression mode, and then the Hamming distance is calculated, so that the method is suitable for the application scene of the three-dimensional image, and the universality of image comparison and use is improved.

The invention discloses a performance test method and device and a medium, and the method comprises the steps: controlling a first threshold number of virtual storage devices to work at the same time, measuring the performance of each virtual storage device to obtain a first measurement performance value, the first threshold number being the maximum number of virtual storage devices that can be supported by a physical storage device, and the second threshold number being the maximum number of virtual storage devices that can be supported by a physical storage device; the performance of each virtual storage device is mainly related to the number of the virtual storage devices running at the same time, so that all the virtual storage devices work at the same time, and data capable of accurately reflecting the performance of the storage devices can be obtained. And judging whether each first measurement performance value meets a first preset condition or not, and if the first preset condition is met, determining that the performance test of the physical storage equipment is qualified. According to the method provided by the invention, the virtual storage devices with the first threshold number work at the same time in the physical storage devices, and the influence factor of the number of the running virtual storage devices is added into the detection method, so that the performance detection can accurately reflect the performance of each physical storage device.

The invention discloses atmosphere lamp parameter calibration equipment, method and device and a medium. Wherein the scanning equipment scans the sign information on each atmosphere lamp to obtain the identity information of each atmosphere lamp, and sends the obtained identity information to the industrial personal computer. The industrial personal computer obtains a database containing parameter data of all the atmosphere lamps, obtains identity information, sent by the scanning device, of all the atmosphere lamps, obtains the parameter data corresponding to all the atmosphere lamps from the database according to the identity information of all the atmosphere lamps, and sends the parameter data to the controller. And the controller adjusts the PWM output duty ratio according to the corresponding relationship between the target parameter and the parameter data, so that the lightening effect of each atmosphere lamp reaches the target parameter. By adopting the technical scheme, the identity information of each atmosphere lamp is obtained through the sign information on each atmosphere lamp, and the parameter data of each atmosphere lamp is obtained in the database according to the identity information, so that the parameter data can be obtained without individual lightening, and the complexity of the atmosphere lamp parameter calibration process is reduced.

The invention discloses a temperature regulation and control system and a server. The temperature regulation and control system comprises a control unit, a temperature sensor and a temperature regulation device, the temperature sensor obtains ambient temperature, generates temperature information and sends the temperature information to the control unit. The control unit comprises a main controller and an auxiliary controller, the main controller receives the temperature information and controls the temperature adjusting device to work, the auxiliary controller monitors the working state of the main controller, when the main controller cannot work normally due to faults or other reasons, the auxiliary controller obtains temperature signals and controls the temperature adjusting device to work, and normal operation of the temperature regulation and control system is ensured. Therefore, according to the temperature regulation and control system provided by the invention, when the main controller fails, the auxiliary controller can replace the main server to work, so that the normal work of the temperature regulation and control system is ensured, the reliability of the server temperature control system is improved, and the server is prevented from being damaged due to temperature influence.

The invention relates to the technical field of internal combustion engines, and discloses a series engine control system and power system which comprises a control unit and a pressure sensor. The pressure sensors are arranged at fuel pump units of all the engines respectively and used for obtaining pressure signals of all the fuel pump units, and the control unit is connected with the pressure sensors and used for obtaining all the pressure signals so as to determine the oil quantity output by all the fuel pumps according to the pressure signals, so that the output power of all the engines is determined. The control unit is further connected with all the fuel pump units and used for controlling the accelerator opening degree of all the engines till all the pressure signals meet the preset conditions, and therefore it is guaranteed that the output power of all the engines is the same. Therefore, according to the scheme, the output power information of the engines is obtained by detecting the pressure signals of the fuel pumps of the series engines, the output power of the engines is the same by adjusting the output oil quantity of the fuel pumps, and therefore it is guaranteed that the torsional vibration and the output power of the series engines are stable, and the reliability standard is met.

The invention discloses a DEBUG system. The DEBUG system comprises a main controller and a collector. The main controller is connected with the JTAG simulator, receives access of the JTAG simulator and decodes access information so as to obtain the IP where the signal to be observed is located. And the main controller is connected with each collector through a JTAG protocol for information interaction. And each collector is connected with a to-be-observed signal in the chip to obtain data of the to-be-observed signal. And the main controller controls the corresponding target collector to acquire data of the to-be-observed signal according to the IP where the to-be-observed signal is located. By adopting the technical scheme, the to-be-observed signal is directly connected to the collector of the system, and the main controller directly controls the collector to obtain the data of the to-be-observed signal through the access of the simulator without obtaining the data of other signals, so that the waste of resources and time is reduced when the to-be-observed signal is observed. The invention further discloses a DEBUG method, a DEBUG device and a medium which correspond to the system and have the same effects.

The invention discloses an antenna and a wearable electronic product. The antenna comprises a first antenna, a second antenna and an isolation part arranged at the tail end of the first antenna and the tail end of the second antenna, wherein the isolation part has serpentine wiring. The isolation part has serpentine wiring so that the path of radiation current is prolonged, the current of the first antenna and the current of the second antenna can be attenuated to a large extent under the action of the isolation part, and the isolation degree of the first antenna and the second antenna is improved. It can be seen from this that the antenna is simple in structure without changing the shape of the original radiation unit of the antenna, and the isolation degree of the two antennas can be obviously improved without occupying too much space for the miniaturized wearable electronic product with tight layout space. The technical scheme does not need to change the antenna mold, and the debugging and testing periods are short. Finally, the additionally arranged isolation part increases the area (or length) of the main ground radiated by the antenna and improves the antenna efficiency.

The invention discloses a high-density distributed power supply communication method, and the method comprises the steps: collecting local latest state information at a current control moment, local state information at a last trigger moment, and neighbor power supply latest state information of a neighbor power supply; whether the current control moment meets the triggering condition or not is judged by calculating the difference value between the local newest state information and the state information of the last triggering moment and the unbalance amount between the state information of the last triggering moment and the newest state information of the neighbor power supply, and if yes, the local newest state information is sent to the neighbor power supply. The information is transmitted only when the triggering condition is met, so that the problem of resource waste caused by the fact that the information is still transmitted when the local state quantity of the adjacent control moments does not change greatly is solved. In addition, the invention further provides a device and a medium which correspond to the high-density distributed power supply communication method and have the same effects.

The invention relates to the field of power electronics, and discloses a driving circuit which comprises a driving chip, a switch unit, a first resistor and a second resistor, the first output end of the driving chip is connected with the control end of a switch tube, the second output end of the driving chip is connected with the first connecting end of the switch tube, and the second connecting end of the switch tube is connected with one end of the second resistor. The common end, connected with one end of the first resistor, of the other end of the second resistor is connected with the target switch tube, the other end of the first resistor is connected with the first connecting end of the switch tube, and the resistance value of the first resistor is far larger than that of the second resistor. Therefore, when the driving chip receives the first control signal of the DSP chip, the switching unit is controlled to be switched on, and the driving resistor is the second resistor so as to reduce the switching loss of the target switching tube. And when the driving chip receives a second control signal of the DSP chip, the switch unit is controlled to be switched off, the driving resistor is the first resistor to reduce the voltage stress of the target switch tube, and the target switch tube is prevented from being damaged.

The invention relates to the field of Internet, and discloses a homologous website expansion method and device and a medium, and the method comprises the steps: obtaining a URL of a to-be-expanded website and task related parameters, initiating an HTTP or HTTPS request for the URL of the to-be-expanded website to obtain response information, extracting website features from the response information to obtain a website feature set, selecting target website features from the website feature set, and sending the selected target website features to a server; and the query character string is converted into a query character string which can be identified by the cyberspace search engine, and the cyberspace search engine verifies the landmark of the target website feature according to the task related parameters so as to determine the homologous website corresponding to the website to be expanded. Therefore, the website features of the to-be-expanded website are automatically extracted based on the cyberspace search engine, the website features are automatically converted into the query language which can be recognized by the cyberspace search engine, and the website features are automatically verified to determine the homologous website corresponding to the to-be-expanded website. And the low efficiency of manually extracting, converting and verifying the website features is avoided.

The invention discloses an omap operation performance testing method and device and a medium, and relates to the field of distributed storage. Test parameters are initialized, wherein the test parameters at least comprise running time and concurrency; the length of the operation queue is equal to the concurrency number; an omap request is generated, the omap request comprises an omap write request or an omap read request, the number of the omap requests is equal to the concurrent number, and each omap request corresponds to the slot position of the operation queue one by one; asynchronous processing is conducted on the omap request through the operation queue, whether the processing process meets the preset condition or not is judged, and if yes, test statistical data are output. Therefore, according to the scheme, the write operation and the read operation of the omap operation in the distributed storage system can be tested respectively, and due to the fact that the concurrency number is set and an asynchronous processing mode is adopted, the pressure intensity for controlling the test can be sent in parallel, so that the limit value of the omap operation performance is obtained, and the method is very reliable.

The invention discloses a contract electric quantity decomposition method and device and a medium thereof, relates to the technical field of electrical engineering, and is used for reasonably decomposing contract electric quantity. In order to solve the problem that great risks are caused to the operation of the electricity market due to the deviation between the contract electricity consumption and the actual electricity consumption at present, the invention provides the contract electricity quantity decomposition method, which comprises the following steps of: through a power grid, calculating the purchase cost and selling price of the contract electricity quantity provided for non-market users; according to the method, a power market operation risk coefficient representing risks generated after contract execution in a day-ahead market environment is obtained, and then the power market operation risk coefficient is taken as a target function to perform contract electric quantity decomposition, so that the contract electric quantity obtained through decomposition can ensure that the power market operation risk is at a relatively low level to the greatest extent; the power market transition can be carried out stably and orderly, and the operation stability of the power market is further improved.

The invention discloses an uncontrolled power supply short-circuit protection device and method and a medium, and provides an uncontrolled power supply short-circuit protection device aiming at the problem that a chip enters a retry state and cannot exit when constant power is used for supplying power to the chip at present, and the uncontrolled power supply short-circuit protection device comprises a controller, an enabling circuit, a voltage comparison circuit and a constant power supply, the constant power supply is connected with the enabling end of the controller through the enabling circuit; the voltage comparison circuit is connected with the output end and the enabling end of the controller, and when the magnitude relation between the voltage of the output end and the reference voltage is a preset relation, the voltage comparison circuit outputs a signal to the enabling end to enable the controller to be in a non-enabling state. When the controller enters the retry state, the voltage comparison circuit can detect the state and send out a control signal to pull down the enabling end of the controller, so that the controller is forced to exit the retry state, and the problem that the controller is prone to being burnt out due to the fact that the controller is in the retry state for a long time is solved.

The invention discloses a self-checking method, system and device of a particle counter and a medium, and mainly relates to the field of particle counting. The self-checking system of the particle counter comprises a light source, a photoelectric detector, a processing circuit module, an ADC, a DAC, a processor and a counting module. The ADC is used for converting an analog quantity of the first voltage pulse signal into a digital quantity; the processor is used for judging whether the particle counter is qualified or not according to a noise comparison result of the digital quantity and a preset noise threshold value and a counting comparison result obtained by judging the counting result sent by the counting module. The first voltage pulse signal is obtained when the light source is turned on and no detected particles exist in the particle counter, so that the noise value output when no particle counting is performed is represented, and the self-checking system detects the noise of the particle counter through the first voltage pulse signal; through a circuit for processing the second voltage pulse signal and a counting module of the voltage detection particle counter, self-inspection of the particle counter is realized.

The invention discloses a main and standby mirror image user configuration data synchronization method and device and a medium, relates to the technical field of servers, is used for realizing user configuration information synchronization between a main mirror image and a standby mirror image, and aims to solve the problem that the standby mirror image cannot be synchronized when the user configuration information of the main mirror image is changed at present. According to the main and standby mirror image user configuration data synchronization method provided by the invention, an external storage medium and data transfer of a flash memory chip serving as a main mirror image and a flash memory chip serving as a standby mirror image are arranged, so that synchronization of user configuration data is realized on the premise of not influencing independence of the main mirror image and the standby mirror image; furthermore, when a user calls the access interface of the BMC to update the configuration user configuration information of the main mirror image, the standby mirror image can also be updated to the corresponding user configuration information, so that when the main mirror image and the standby mirror image are switched, the user configuration information of the standby mirror image is the latest configuration, normal operation of the server is not influenced, the stability of the server is further maintained, and the user experience is improved. And the maintenance cost of the server is reduced.

This application discloses a password protection method. Aiming at the problem that multiple passwords can be invalidated after one password is breached when multiple passwords are used at present, a password protection method is provided, including: when the password authentication is passed, According to the currently authenticated password, determine the designated bit of the password invalidation enable flag stored in the storage medium. Since there is only one authenticated password, there is only one designated bit; the designated bit is set to the allowed state, and the other bits are In the non-allowed state, the password invalidation enable flag is in one-to-one correspondence with each password, and only when the password invalidation enable flag corresponding to the current password is in the permitted state, the password is allowed to be invalidated; determine whether the invalidation password is received Request; when receiving a password invalidation request, invalidate the password corresponding to the specified bit. In this way, only one password can be invalidated for one login, which solves the problem that all passwords can be invalidated after one password is cracked.

The invention discloses equipment, a method, a device and a medium for testing pulsation torque of a motor, and the equipment comprises a measurement and control machine, a brake motor, a tested motor, a torque sensor and an acceleration sensor, the measurement and control machine is connected with the brake motor and the tested motor, and is used for enabling the brake motor and the tested motor to be in a constant rotating speed mode or a constant torque mode; the brake motor is connected with the motor to be tested, the torque sensor and the acceleration sensor are arranged on a connecting shaft of the brake motor and the motor to be tested to obtain angular acceleration and torque of the motor to be tested, and the measurement and control machine is connected with the torque sensor and the angular acceleration sensor. The additional torque is confirmed through the angular acceleration and the rotational inertia of the rotor of the tested motor, and the torque is compensated. Therefore, the additional torque is calculated through the rotational inertia and the angular acceleration, the torque is compensated according to the value of the additional torque, no additional equipment is used, the size and the weight of the testing equipment are reduced, and the precision of testing the pulsation torque of the motor is improved.

The invention discloses a firmware version recovery method, a firmware version recovery device and a medium, which can copy old firmware information and a corresponding old firmware version number based on latest successful upgrade, namely current firmware version upgrade, in advance, and redundant old firmware for subsequent use. The method comprises the following steps: calling the pre-copied old firmware under the condition that the error code used for representing the upgrade failure is obtained, determining the redundant old firmware information and the old firmware version number as the firmware of the next firmware upgrade, and loading the firmware, so that the firmware version of the equipment is recovered to the pre-upgrade state. By the adoption of the technical scheme, under the condition that firmware version upgrading fails, the device automatically recovers the firmware version to the non-upgraded version through the redundant old firmware, recovery efficiency is improved, intervention of operators is not needed, and waste of human resources is reduced.

The invention discloses an authorization authentication method for an application program, which comprises the following steps of: acquiring the authorization running time of the application program, calling the backup time of the local time copied in advance, if the local time is within the authorization running time and the backup time is not later than the local time, authorizing, otherwise, terminating the authorization. Compared with the prior art that authorization authentication of the application program is cracked by callback of the local time, in the technical scheme, the local time is compared with the backup time, if the backup time is later than the local time, callback occurs in the local time, and authorization is terminated. By the adoption of the technical scheme, the situation that lawbreakers crack authorization authentication of the application program by calling back the local time, and losses of developers are caused is effectively prevented. The invention further discloses an authorization authentication device for the application program and a medium, which correspond to the authorization authentication method of the application program and have the same effect.