396results about How to "Fix not working" patented technology

The invention relates to a real-time information-based metro passenger service system. Mobile terminal equipment automatically connects wireless sensors in a metro station and in metro compartments so as to perform data interaction with the servers to acquire relevant information in the metro station in real time, and the relevant information is used for passengers to view in real time; moreover, a heuristic search strategy based on the estimated arrival time of a metro, running time between stations, the current passenger flow information of the metro station and passenger flow information in each metro compartment is proposed, and therefore the optimal proposed ride scheme is obtained, and meanwhile, a time-optimal and distance-optimal scheme is obtained for the passengers to select; after the scheme is determined, according to the position conditions of the current passengers, a prompt of the next route is provided in real time; the passenger flow conditions of the compartments are determined according to the information of the wireless servers of the metro which is about to arrive, and the best waiting position proposal can be given by the system; after the passenger ride, prompt contents, including the time that the metro is about to arrive the next station, the get-off station and the get-off time of the passengers are given in real time, the exit scheme of the metro station and corresponding map information, can be given in real time.

The invention relates to a dual-mode parallel intelligent driving vehicle trajectory tracking driving system based on the predictive control. The system comprises a human-computer interaction unit, acombined positioning unit, a communication unit, a comprehensive information perception unit, parallel vehicle processing double units and an execution unit, wherein the combined positioning unit gives the position and the attitude information of an automatic driving vehicle in real time, the comprehensive information perception unit gives the traffic information around the automatic driving vehicle in real time, and the execution unit comprises the line-control steering and the line-control driving system of a vehicle, receives the control instruction output by the parallel vehicle processingdouble units, and finally completes the stable and reliable trajectory tracking of the automatic driving vehicle. The invention further discloses a trajectory tracking driving method for the dual-mode parallel intelligent driving vehicle trajectory tracking driving system based on the predictive control. The system adopts a dual-system parallel control structure to improve the adaptability and robustness of the algorithm, after the model is identified, the dual systems work simultaneously, the fault tolerance capacity of a control system is greatly improved, and the safety and reliability ofthe automatic driving vehicle are improved.

The invention discloses a multi-dimensional and parallel-swing sea wave power generation device. A top cover is fixedly connected with the top wall of a buoyancy box, one end of a three-degree-of-freedom movement pair is fixedly connected with the top cover, the other end of the three-degree-of-freedom movement pair is engaged with a swing rod, one end of the swing rod penetrates through the top wall of the buoyancy box and is fixedly connected with an outside device, the other end of the swing rod is fixedly arranged on an upper platform through the support of rib plates, a spring is fixedly connected with a shaft shoulder of the swing rod, six parallel hydraulic cylinders are arranged between the upper platform and a lower platform, piston rods of the six parallel hydraulic cylinders are hinged to the upper platform, cylinder bodies of the six parallel hydraulic cylinders are hinged to the lower platform, the lower platform is fixedly arranged on an oil mixture tank, the oil mixture tank is fixedly connected with the side wall of the buoyancy box, the oil mixture tank is connected with a hydraulic motor through a separating pipe and a return pipe, a generator is connected with the hydraulic motor, the generator and the hydraulic motor are arranged at the bottom of the buoyancy box, and an energy accumulator is connected with the hydraulic motor. The device has the characteristics that the service life is long, and the pollution is little; and while the energy of the sea wave in the transverse swinging is absorbed, the energy of the sea wave in the vertical direction can also be absorbed.

The invention discloses a method for realizing on-grid and off-grid dual-mode running of dual-directional converter in micro-grid, which comprises the following steps of: detecting whether the macro-grid loses power or recovers power supply by an on- and off-grid controller in the micro-grid, sending 'ready to be off grid' or 'off grid' or 'ready to be on grid' or 'on grid' commands to the dual-directional converter via two binary coding interfaces, meanwhile allowing the on- and off -grid controller to communicate with a micro-grid control system, and sending charge and discharge power command signals by the micro-grid control system to make the dual-directional converter act correspondingly. When the micro-grid loses power, the dual-directional converter is shifted from the on-grid running state into the off-grid running state and switched into the voltage resource working mode without extra equipment investment, so the problem that an accumulation system and a photovoltaic on-grid inverter fails to work when the micro-grid loses power, the problem that it is difficult to construct a micro-grid system and the problem that the seamless switching between the off-grid running and on-grid running under micro-grid control fails are solved.

The invention discloses a dynamical pressure type high-energy synthetic jet actuator, wherein a dynamic pressure inlet (10) and a jet outlet (2) are arranged on the bottom surface of a casing (3) of the dynamical pressure type high-energy synthetic jet actuator; an anode (6) and a cathode (7) are arranged in an inner cavity(1) of the casing (3); a first nut (4) which can be driven by a rotating belt to slide in the inner cavity (1) of the casing (3) is arranged on the anode (6); and a second nut (9) which can be driven by a rotating belt to slide in the inner cavity (1) of the casing (3) is arranged on the cathode (7). According to the actuator, the boosting can be realized by using a high-speed flowing ambient dynamic pressure, so that the synthetic jet flow, the work frequency and the response speed are greatly improved, the restore time is shortened and a fluid supply system and a valve can be avoided. The invention has the characteristics of simple structure, small size and low cost, controls elements to be integrated and is easy to produce in batch.

The invention provides a method and device for maintaining data of a drive circuit. The drive circuit comprises a source memory for storing original data. The method comprises the following steps: duplicating the original data in the source memory to at least one backup memory; generating check codes corresponding to the original data in the source memory; periodically reading the data in the source memory and the data the backup memories and checking the data respectively with the check codes to verify whether the data in the source memory and the data in the backup memories change; and whenthe data stored in the source memory changes, duplicating the unchanged data stored in the backup memories to the corresponding positions of the source memory, and when the data stored in the backup memories change, duplicating the unchanged data stored in the source memory to the corresponding positions of the backup memories. According to the technical scheme adopted by the invention, the problem that destroying of the information in the memories caused by ESD (electrostatic discharge) leads to failure of the circuit to work normally can be effectively solved.

The invention provides a CMOS on-chip direct-current negative voltage generation circuit. The CMOS on-chip direct-current negative voltage generation circuit comprises a charging unit, a clock unit, a charge pump unit, an output unit and a charge storage unit; the charging unit is used for charging the charge pump unit, the clock unit is used for providing needed clock signals to the charge pump unit, the charge pump unit is used for generating a negative impulse voltage which is equal to a positive supply voltage in amplitude, the output unit is used for converting the negative impulse voltage generated by the charge pump unit into a direct-current negative voltage, and the direct-current negative voltage is equal to a positive supply voltage; the charge storage unit is used for storing charges brought by the charge pump unit to a negative potential, and meanwhile the direct-current negative voltage output by the output unit keeps stable in the CMOS chip working process. By means of the CMOS on-chip direct-current negative voltage generation circuit, the problem that the direct-current negative voltage is generated inside a chip under the condition that a CMOS chip single direct-current positive power source supplies power is solved.

The present invention provides a method for signal feedback and apparatus thereof, a method for power supply and equipment thereof, and a method for controlling and system thereof. The present invention collects an input voltage of a power receiving equipment, and feeds back the corresponding signal to a power supply equipment according to the collected input voltage, and the power supply equipment adjusts an output voltage according to the received signal.

An automatic address identification method by utilizing an MODBUS communication protocol on an RS-485 is characterized by, in a communication command, setting a broadcast register command FX; a controller sending the FX to the RS-485 bus with a search class command; receiving total ID of all devices connected to the bus; after receiving the FX from the controller, sending the total ID of the devices to the RS-485 bus; if detecting same values, carrying out ranking according to the size of the ID values of the devices, modifying the original MODBUS address into an MODBUS address set by a master controller and keeping the address according to the received MODBUS address; and if the ID values of the devices are different, giving no response. The method is simple and reliable and easy to carry out, and solves the problem that a conventional RS-485 bus cannot work normally when having same MODBUS addresses. The method can automatically set different MODBUS addresses, thereby ensuring normal communication of the bus.

This invention relates to converter device and to high pressure knob breaker, which comprises comprise three phase or single phase knob, knob lever and structure case, wherein, the knob adopts high voltage SF6 gas as arc extinction and insulator medium; each knob column knob down end is located with heating device; the heater device comprises temperature controller, heater, contact and heater breaker; the above elements form heater circuit.

The invention belongs to the technical field of landscape decorative lamp control and provides a landscape decorative lamp system and an address coding and display control method of the landscape decorative lamp system. A plurality of display modules comprising master control modules are adopted by the landscape decorative lamp system; display data are obtained from a controller by the display modules in a parallel connection mode; address coding operation is conducted on the display modules at a time in a series connection step-by-step transmission mode; if the master control module in one display module fails, the master control modules in the other display modules can normally conduct corresponding display according to stored address coding data and the display data obtained from the controller, so that the problem that when series connection step-by-step transmission is conducted on the received display data by an existing landscape decorative lamp system, due to driver chips of one or more decorative lamps fail, the following decorative lamps cannot normally work is solved.

The invention discloses a temperature control system for an outdoor control cabinet. The temperature control system comprises a control cabinet, a power supply, a core control plate, a temperature sensor, a flexible heater and an aerofoil fan. The temperature control system for the outdoor control cabinet is characterized in that the core control plate of the temperature control system for the outdoor control cabinet, the temperature sensor arranged in the control cabinet, and the flexible heater and the aerofoil fan which are arranged on a wall of a shell of the control cabinet are arranged on a circuit control plate or an inner wall inside the shell of the control cabinet; ambient temperature which is detected by the temperature sensor is monitored by the core control plate in real time and is displayed through a nixie tube display unit; a singlechip controller starts the aerofoil fan or the flexible heater to reduce or raise the temperature when the ambient temperature is greater than a high-temperature warning value or smaller than a low-temperature warning value which is set on the singlechip controller, so that representative equipment in the outdoor control cabinet is ensured to be positioned in temperature environment of normal work.

The invention discloses a method for oxygen-enriched calcification calcination of high-grade vanadium slag. The method comprises the following steps of mixing high-grade vanadium slag and a calcification agent to obtain a mixture and carrying out calcination of the mixture in an atmosphere having oxygen volume content of 12 to 21%. The method for oxygen-enriched calcification calcination of high-grade vanadium slag greatly reduces a calcification calcination temperature of high-grade vanadium slag, solves the problem that in calcification calcination of high-grade vanadium slag, abnormal running problems such as material agglomeration and calcination equipment ring-forming are caused by a high calcination temperature, and improves an industrialization technology of calcification calcination of high-grade vanadium slag.

The invention discloses a solar light chasing device. The solar light chasing device comprises a supporting base and a solar panel fixing frame, wherein the solar light chasing device also comprises an azimuth adjustment device and an elevation angle adjustment device; the azimuth adjustment device is supported on the supporting base; the elevation angle adjustment device is supported on an output shaft of the azimuth adjustment device through a bracket; an output end of the elevation angle adjustment device is hinged to the solar panel fixing frame to drive a solar panel to realize elevation angle swinging; an encoder used for detecting angle change is arranged on an output shaft of the azimuth adjustment device; an encoder for detecting the angle change is arranged on a rotating shaft of the solar panel fixing frame or a hinge shaft which is hinged to the azimuth adjustment device. According to the solar light chasing device, an elevation angle drive device and an azimuth drive device are arranged, so that the position of the solar panel can be adjusted according to an incidence angle of solar rays; therefore, solar energy can be fully absorbed, the absorption rate is improved, and the application of solar heat is improved.

The invention discloses a device for generating a double-uniformity-area magnetic field and a correction method for magnetometer correction. The device comprises a sliding gradient magnetic field coil device and a gradient magnetic field excitation device, wherein the sliding gradient magnetic field coil device comprises a uniform solenoid, a torque-free solenoid, a sliding table and a base. The gradient magnetic field excitation device comprises a dual-output direct-current current source and two ampere meters, and can generate two uniform magnetic fields meeting gradient test requirements. The problem that positioning errors and position slight changes of a probe influence the correction result of gradient magnetometer correction when a traditional gradient magnetic field device is used in the correction process is solved. Magnetic output at any gradient can be generated, manufacturing is simple, and large-gradient distance measuring can be achieved.

The invention relates to a real-time data collaboration method in an industrial internet of things. The method provides a basic data coordination mechanism for application and implementation of industrial software in an industrial production site. The data collaboration method, through a pre-deployment mode, deploys data to nodes about to be used by the data before the data is used; meanwhile, themethod does not depend on a center service node, can realize data collaboration and information flow in a high-reliability network of a production environment better, improves data obtaining time andimproves data real-time processing performance; and meanwhile, the method improves data collaboration mode and flow path, and can improve data collaboration and flow reliability and performance.

The invention provides a hybrid power supply employing a fuel cell and a storage battery and a thermal management method. The power supply comprises the fuel cell, the storage battery and a heating / cooling module, wherein the heating / cooling module is used for heating or cooling the fuel cell and / or the storage battery. According to the power supply, a thermal management system of the metal air fuel cell and a thermal management system of the storage battery are mixed and the advantages of the metal air fuel cell and the storage battery are utilized, so that a power supply system with high power density and high energy density can be obtained; and the storage battery can be heated by using a relatively good low-temperature starting characteristic of the metal air fuel cell, so that the problem that the storage battery cannot work in a low-temperature environment can be solved.

A by-pass protective device of local damage at semiconductor luminous tube LED lamp is prepared as parallel-connecting a protective by-pass on each semiconductor luminous tube LED lamp bulb, providing current by-pass for damaged LED lamp bulb according by corresponding protective device to maintain complete lightening lamps and lanterns to work properly and continuously when any semiconductor luminous tube LED lamp bulb is damaged.

In view of the problem that a magnetically coupled resonant wireless energy transmission system is greatly reduced in transmission efficiency when suffering from coil deviation, and that in the practical application of the magnetically coupled resonant wireless energy transmission system, it is harsh to completely align the coil, and especially in special fields such as medical implantation, household appliances, underground coal mines and the like, it is almost impossible to completely align the coil, the invention provides a method for optimizing the efficiency of the magnetically coupled resonant wireless energy transmission system during the deviation of a coil. The method divides the deviation between the coils into radial deviation and angular deviation, optimizes the transmission efficiency by adjusting the angular deviation between the coils when the radial deviation occurs between the coils of the magnetically coupled resonant wireless energy transmission system, and optimizesthe transmission efficiency by adjusting the radial deviation between the coils when the deviation occurs between the coils. The method can be applied to the magnetically coupled resonant wireless energy transmission system in which a coil deviates, can well optimize the transmission efficiency of the system and meets the power supply stability of the device.

The present invention discloses a reference voltage buffer circuit, comprising a reference voltage generating circuit which generates and outputs a first primary voltage and a second primary voltage, and further comprising a driving buffer circuit and a deviation detecting circuit. The reference voltage buffer circuit provided by the embodiment of the present invention administers voltage adjustment to the given nodes of the driving buffer circuit through the deviation detecting circuit, realizing the adjustment and correction of the abnormal working state of a circuit, reliably solving the problem of reference voltage buffer circuit failing to work normally caused by production technique errors or other unpredictable factors, improving the production rate of standard quality of a circuit, providing reference voltage of great driving capacity, and achieving lower cost and circuit power dissipation.

The invention discloses a power supply method, a power supply controller and a power supply system, which belong to the field of the electric power supply system. The power supply method comprises the following steps that: the storage electric quantity of a storage battery is judged; if the storage electric quantity reaches a maximal safety value, the storage battery supplies power to a base station; and if the storage electric quantity does not reach the maximal safety value, whether a solar battery module outputs electric energy is judged, if the solar battery module outputs the electric energy, the storage battery supplies power to the base station, and the solar battery module charges the storage battery; and if the solar battery module outputs no electric energy, the municipal power supplies power to the base station. By adopting a supplementary way of the solar and the municipal power, the problem that the base station cannot work normally because of the shortage of electric power can be solved; and at the same time, the running state of the power supply system can be remotely detected in real time through a solar controller, a storage battery managing unit and a remote diagnosis instrument, and the technical weakness of the prior art that manual detection is required can be overcome.

The invention provides double-frequency gratings capable of working on a soft X-ray wave band and a manufacture method thereof, which belong to the technical field of grating manufacture. Rectangular-groove gratings with two different frequencies are manufactured on the same substrate to form a double-frequency grating structure. The manufacture method of the structure adopts holographic exposure-ion-beametching technology for two times, and manufactures two groups of double-frequency gratings with similar frequencies. By means of the double-frequency grating structure and the manufacture method of the double-frequency grating structure, groove-shaped structures of each group of gratings can be accurately controlled so that the requirements of the soft X-ray wave band for accuracy of the grating groove shapes are met. The gratings can provide two light beams with a small included angle and identical light strength to perform self-shearing interference. The double-frequency grating structure and the manufacture method of the double-frequency grating structure solve the problem of manufacture of shearing elements in a soft X-ray wave band shearing interference system, and provide a key technology for utilizing a shearing method to diagnose plasma electronic density.

The embodiment of the invention provides a laser scanning device and a mobile measurement system, and relates to the technical field of laser scanning. The laser scanning device comprises a laser transmitting module, a rotating module, a laser receiving module, a data acquisition module and a data processing module, wherein the laser transmitting module and the laser receiving module are arrangedat one side of the rotating module, the rotating module is used for changing the direction of laser light so as to enable the laser light to irradiate to target objects at each position of a target scene, the laser receiving module is used for receiving the laser light reflected by the target objects and performing photoelectric conversion to obtain an electric signal, the data processing module is used for processing the electric signal to obtain the time difference between the transmitted laser light and the received laser light, and the data acquisition module is used for acquiring data ofthe laser transmitting module, the rotating module and the data processing module so as to obtain point cloud data of the target scene. The laser scanning device can acquire three-dimensional data ofa three-dimensional space of the target scene. In addition, the device can perform mobile measurement under a condition that GNSS signals are unavailable.

The invention provides a network equipment management method, a configuration management device and a network system. The network equipment management method comprises the following steps: obtaining the information of a home network relevant to terminal equipment; determining the configuration information of the terminal equipment according to the information of the home network; and configuring and managing the terminal equipment according to the configuration information of the terminal equipment. Because relevant configuration of the terminal equipment is determined through the information of the home network, the configuration of the terminal equipment and a network is coordinated, and the problem of abnormal operation of the home network caused by configuration conflicts of the terminal equipment and the network in the home network is solved.

The invention relates to an electrical stimulation muscle electric inducing feedback control method and an electrical stimulation muscle electric inducing feedback control device for stabilizing output of muscle electric prosthetic hand strength, and belongs to the technical field of muscle electric prosthetic hand control. The electrical stimulation muscle electric inducing feedback control method includes following steps: 1) detecting surface muscle electric signals of residual limb muscle of a prosthetic hand user in real time; 2) collecting and analyzing the detected muscle electric signals, and judging whether the muscle electric activity level indicated in the muscle electric signals generated by contraction of the residual limb muscle is reduced due to factors of inattention, fatigue and the like; 3) if the muscle electric activity level is reduced, starting an electrical stimulation device to stimulate objective muscle, enhancing contraction of the objective muscle and then inducing a large muscle electric signal, and improving the muscle electric activity level; 4) repeatedly comparing and regulating intensity of electrical stimulation until the muscle electric activity level of the objective muscle reaches the initial state level, and thereby guaranteeing that prosthetic hand contraction strength remains at the original level. The electrical stimulation muscle electric inducing feedback control method not only guarantees that the user has a strong participation feeling, but also reduces requirements for attention of the user, and thereby reduces occurrence rate of the fatigue.

The invention discloses a portable power source type track laying machine for subway construction. The track laying machine comprises a door type support, a lifting device, a traveling device and a portable power source, wherein the lifting device is installed on the door-type support, the traveling device is used for driving the door type support to move forwards and backwards, and the portable power source is installed on the door type support or the traveling device. The door type support comprises a main beam and two height-adjusting supporting legs, wherein the two height-adjusting supporting legs are installed on the lower portions of the two sides of the main beam respectively; the main beam comprises a straight beam body and telescopic beam bodies, wherein the telescopic beam bodies are connected to the left end and the right end of the straight beam body in an inserted mode respectively. Each telescopic beam body is provided with an inserting connection end and a fixed end, the inserting connection ends of the telescopic beam bodies are installed in the straight beam body, and the fixed ends of the telescopic beam bodies are fixedly installed on the tops of the height-adjusting supporting legs. In the portable power source type track laying machine, the portable power source is used as a power source of the laid track, in the long and large section laying process, it is only required that the portable power source is changed, it is not required that power supply interfaces are changed many times, and coiling cables do not need to be deployed and retracted frequently, the manpower, machines and tools, materials and time cost required for laying and constructing the power source are saved.

The invention provides a scale type micro-fluidic chip for quantitative immediate diagnosis and a preparation method of the scale type micro-fluidic chip. The scale type micro-fluidic chip comprises micro-reaction chambers and micro-channels, wherein the micro-reaction chambers have sample feeding holes and sample discharging holes, openings at one ends of the micro-channels are communicated to external environments, and indicating liquid is locally encapsulated in the micro-channels; scale marks and corresponding numerical values are arranged outside the micro-channels to facilitate the quantitative reading of a detection result, the other ends of the micro-channels are communicated with the micro-reaction chambers through buffer tanks to form complete independent working units, and meanwhile, multiple working units can be arrayed on a chip to realize multichannel detection. The scale type micro-fluidic chip has the advantages of no complex instruments, convenience in carrying, low cost, simplicity and convenience in operation, easiness in reading, multi-target detection, little use amount of sample, sensitivity and the like and can be widely applied to biochemical analysis fields including medical diagnosis, food security, environmental pollution and the like.

The invention discloses a battery in-place detection circuit, a battery in-place detection method and an intelligent wearing device. The battery in-place detection circuit comprises a discharge circuit, wherein the discharge circuit is configured to discharge a battery to be detected when a discharge control signal is received; a voltage division detection circuit configured to be started when a detection control signal is received so as to detect the voltage of the battery to be detected; a main controller configured to determine that the battery to be tested is in place when a first voltagedetection value before the battery to be tested discharges is less than a first preset voltage value; or determine that the battery to be tested is in place when the difference value between the firstvoltage detection value before the discharge of the battery to be detected and the second voltage detection value after the discharge of the battery to be detected is less than or equal to a first preset difference value, under the condition that the first voltage detection value before the discharge of the battery to be detected is greater than or equal to the first preset voltage value. The circuit achieves the in-place detection of the battery to be detected.

The invention discloses a variable-frequency speed regulation system and a variable-frequency speed regulation method of a high-speed permanent magnet motor. The variable-frequency speed regulation system comprises an L filter, a diode rectifier, a Z-source inverter, a high-speed permanent magnet synchronous motor, a controller, a driving module, a voltage and current Hall detection module, a stator current Hall detection module, a photoelectric encoder angle measurement module and an overvoltage and overcurrent protection module. The Z-source inverter is introduced into the variable-frequency speed regulation system of the high-speed permanent magnet motor to substitute a conventional inverter so as to flexibly control AC output voltage, so that the sustainable normal working capability of the speed regulation system during a voltage drop failure is improved; by virtue of a characteristic that the Z-source inverter allows an upper switch tube and a lower switch tube to be directly connected, the problem of current harmonic, caused by dead time, in the conventional inverter is solved, so that the reliability and electromagnetic interference resistance of the speed regulation system are improved.