494results about How to "Flexible and convenient control" patented technology

Disclosed herein is a 3-D image display unit that can be controlled flexibly to protect the user from eyestrain and operated easily. The 3-D image display unit includes measuring means for measuring a display time of a 3-D image, parallax adjusting means for instructing 3-D image forming means to adjust the parallax of the 3-D image. In the case where the 3-D image display time measured by the measuring means exceeds a predetermined time, the parallax adjusting means instructs the 3-D image forming means to reduce the parallax of the 3-D image to be formed, thereby the display means comes to display a 3-D image having a small parallax. The user can thus be protected from eyestrain.

An automated process and system for setting an alert style for a communications device is provided. A scheduling program is used to define one or more activities. The scheduling program may operate on the communication device, or may be operated remotely. An alert style is selected and associated with a particular activity. When an incoming call is received during the activity, the communications device uses the selected alert style. An override condition or rule may also further adjust the alert style used by communications device.

The invention provides a data access control device. The device comprises an encryption setting module, a data encryption module and an access control module, wherein the encryption setting module sets an encryption field and a ciphertext field for a data sheet; the data encryption module encrypts the data of the encryption field, and records the obtained encrypted ciphertext into the ciphertext field; and when a user requests to access the data of the encryption field, the access control module decrypts the data of the ciphertext field according to the decryption key obtained by the user, after the decryption succeeds, the access control module records plaintext data obtained by the decryption into a corresponding field and provides the field to the user. The invention also provides a data access control method. By the technical scheme provided by the invention, the security of encryption information can be well ensured without destroying the original structure of a database and the data sheet and without increasing the calculation pressure of encryption and decryption of the database simultaneously and user access permission can be conveniently controlled.

A method for controlling authorization of service resources includes: by a Proxy Call Session Control Function (P-CSCF) entity, receiving a message that carries a list of resources allowed to be used from an SCF entity; and obtaining the list of resources allowed to be used from the message, and controlling authorization of resources requested by a User Equipment (UE) according to the list of resources allowed to be used. A system and device for controlling authorization of service resources are also disclosed. With the present invention, the services accessible to the user are authorized at a single attempt. Therefore, the service switching speed is increased without any impact on the flexibility of the user in selecting the list of accessible services; and the service availability and the user experience are enhanced significantly.

The invention discloses a method for WFII/3G router access authentication by using fingerprint. The method is a router product integrated technical proposal which integrates 3G technology, WIFI technology and fingerprint identification technology. An user authority of sharing LAN or WAN resources is set by the system according to a fingerprint database and an authority pre-established, and users only need to input fingerprint information rather than user names and ciphers. The method provided in the present invention changes an original access mode of a same cipher and a same usage grade of the 3G router. In the original access mode, once the cipher leaked, an unauthorized user will access the network resources without limitation, thus the security is not high. The fingerprint authentication mode can hierarchically control the authority of the users, which increase the security of a whole system.

The invention provides a full-automatic integration machine of capping, cap-removing and tank-reversing feeding, which comprises a base and is characterized in that a rotating stage is arranged at the base and provided with a lifting frame that is provided with a clamping and embracing turnover device and a tank cover taking and placing device. Only a device is used for conveniently and rapidly realizing the full-automatic processes of cap taking, clamping and embracing, displacing, turnover unloading, displacing and cap adding, and the whole machine has high automation degree, sensitive and accurate action, compact structure, flexile and convenient control and small occupied space, and the disposed cigarette treatment can be carried out once for all without disposed cigarette detection, and the charging efficiency is high, simultaneously, a cigarette tank finishes the turnover feeding in a clamping and embracing manner, so the cigarette tank can be designed to be a structure with light weight and small size, thus reducing the total bearing load of elevated stereo storehouses, reducing the total height, increasing the safety of the elevated stereo storehouses as well as saving the cost of construction.

The invention provides an intelligent capture algorithm based on gestures and audio control. The algorithm comprises following steps: (1) rapid positioning of gestures; (2) auxiliary positioning and attitude determination based on natural language understanding; (3) cutting of target objects; (4) route planning. The intelligent capture algorithm based on gestures and audio control has following beneficial effects: by using natural man-machine interaction technology based on intellisense, a robot can rapidly position a target object by finger pointing under help of audio information when a human hand points to the target object and sends an audio capture instruction containing object information and the robot can automatic plan a route to capture the object; then, when the robot approaches the target object, the position of the target object can be adjusted precisely according to an audio instruction; therefore, the robot can be controlled more flexibly and conveniently due to combination of audios and gestures and the robot can work in a more complex environment.

The invention relates to a user grading control system of a 3G/WIFI wireless router. The method comprises the following steps that: (1), different network access permissions are set in a 3G/WIFI router; (2), a user information list is established in the 3G/WIFI router; (3), a superuser is set in the 3G/WIFI router; (4), a control information list is established in the 3G/WIFI router; (5), the 3G/WIFI router is configured with a firewall rule and a network access permission is set; (6), the user is in a limited access state when a set router is connected by the WIFI network; (7), the router obtains the user permission from the user information list according to user information, binding is carried out based on the MAC address/IP address information of the user and the network permission, the information is written into the control information list, and the firewall rule is set; and (8), according to the obtained permission, the network access is carried out and the router also monitors the user state dynamically; when the user carries out connection with the router, a timer is set to carry out monitoring; and authentication needs to be carried out again when the user needs access again. The method has characteristics of enhanced system safety and usability.

The invention discloses a terahertz isolator device of a magnetic surface plasma waveguide and a control method thereof. The asymmetric and periodic surface plasma waveguide is formed by a metal wall and a semiconductor indium antimonide pillar array. By exerting an external magnetic field under low temperature, the indium antimonide shows the revolving electrical property, and the structure can generate a magnetic surface plasma mode, so that the function of unidirectional isolation transmission of the terahertz wave can be achieved. The unidirectional transmission working frequency range is higher than 1THz, the bandwidth is larger than 80 GHz, the isolation reaches 90dB, the insertion loss is lower than 0.25dB, and tuning on the working frequency range can be performed by controlling the external magnetic field strength. Under the temperature of 186K, the frequency of the external magnetic field can be adjusted to 0.7T from 0.1T, and the central working frequency of a unidirectional transmission frequency band of the device can be tuned to 1THz from 1.42THz. The terahertz isolator is low in loss, high in isolation, tunable in broadband and capable of reducing echo and scattered noises in a terahertz application system and improving transmission quality of the terahertz beam.

The invention discloses a T-shaped three-level inverter, and discloses the input/output relation of all units and the functions of each unit in detail. The invention also discloses a neutral-point balance control method for the T-shaped three-level inverter based on voltage differential prediction. The method overcomes the limitations of a neutral-point balance control method based on zero sequence voltage injection in the prior art, i.e., a zero sequence voltage component being one or zero. Although the adjustment speed is high, a system is liable to lose control and the stability of the system is not facilitated. Moreover, there are more variables in conventional detection, and the calculation burden of a computer is heavy. The method is small in number of collected signals, and the speed of reduction of neutral-point voltage fluctuation is high. The method is low in hardware cost, is simple in program, is small in calculation burden, is high in practicality, is high in robustness, and can guarantee the full-range work stability of the inverter.

The invention relates to the technical field of ultrahigh temperature ceramic powder, in particular to polybasic solid solution rare earth silicate ceramic powder and a preparation method thereof. Thechemical formula of the polybasic solid solution rare earth silicate ceramic powder is (Y0.2Yb0.2Re'0.2Re'0.2La0.2)2Si2O7, wherein Re' and Re' are selected from any two of Nd, Ce, Sm, Er and Eu. Thepreparation method comprises the following steps: mixing raw materials by adopting a wet-mixing method, and drying; then placing the mixture in a high-temperature reaction furnace for reacting; performing wet milling and spray drying granulation to obtain the polybasic solid solution rare earth silicate ceramic powder. The polybasic solid solution rare earth silicate ceramic powder has high solidsolubility, excellent high temperature resistance, no decomposition at a high temperature and low thermal conductivity. The preparation method is simple and feasible.

An intelligent system for real-time monitoring pressure and temp of car tyre and preventing direction deflection on trye exploding is composed of monitor box, LCD module, tyre temp alarm lamp, keyboard, buzzer, circuit board, cable, electronic element and device box, single-chip microcomputer, chips, relative circuits and device, pressure sensor, temp controlled switch, tyre cutter, antideflecting pliers, air compressor, etc. Its advantages are high effect and low cost.

The invention relates to a destination selecting system controlled by using a hybrid BCI (Brain Computer Interface) of a P300 evoked potential and an SSVEP (Steady State Visual Evoked Potential), and a relevant computing method. The system comprises an electroencephalogram acquisition module, a stimulating display module and an electroencephalogram signal processing module. According to the method provided by the invention, no body movement or language is needed, and target selection can be realized by making a user carry out a brain-computer interface task and obtaining a command by analyzing a corresponding electroencephalogram signal. A target selecting method has an important significance to the disabled. The destination selecting system belongs to comprehensive application of cognitive neuroscience, information technology field and automatic control field.

The invention discloses a wall-climbing robot which comprises a power system, an adsorption system and a control system. The power system comprises a wheel, a driving motor, a rotating disc, a linear motor, a pushing rod and a connecting rod. The adsorption system comprises a high-speed motor, a fan, labyrinth cavities and a vacuum air supplement valve device. Due to the multi-cavity structure, reliability and adaptability of the wall-climbing robot in the working process are improved. Meanwhile, due to the vacuum air supplement valve device, the walking driving force of the wall-climbing robot is more stable, and adaptability of the wall-climbing robot to different wall faces is improved. The wall-climbing robot can be used for conducting crack inspection on a nuclear waste liquid tank and a reactor pressure tank, conducting thickness measurement and weld joint flaw detection, conducting coating on large wall faces, cleaning the glass wall faces, installing ceramic tiles, conducting bridge flaw detection and conducting inspection, measurement and maintenance on the inner wall face and the outer wall face of a large circular tank or a spherical tank, and can also be used for conducting rust removal, spray coating and the like on a ship.

The invention discloses an automobile dual-fuel supply system based on a single fuel rail and a single fuel injector set, which relates to automobile fuel supply systems. The system is structurally characterized in that a gasoline fuel tank, a gasoline pump, a gasoline pressure adjustor, a gasoline one-way valve, a three-way valve, a fuel rail, a fuel injector and an engine are sequentially connected to form a gasoline fuel supply unit, a methanol fuel tank, a methanol pump, a methanol pressure adjustor, a methanol one-way valve, a three-way valve, the oil rail, the fuel injector and the engine are sequentially connected to form a methanol fuel supply unit, and an electronic control unit is respectively connected with two sensors and four executive parts to realize control and switching from the gasoline fuel supply unit to the methanol fuel supply unit. By means of the automobile dual-fuel supply system, high power performance, fuel economy, environment-friendliness in discharge and safety and reliability in control can be obtained.

The invention relates to hybridization liquid precursor, a preparing method and a method for preparing ZrC-SiC superhigh temperature ceramics and composite materials of the ZrC-SiC superhigh temperature ceramics through the hybridization liquid precursor. Solid PZC precursor and carbon-rich vinyl adopted to replace liquid polycarbosilane (LPCS) precursor serve as raw materials for the first time and are processed in a hybridization mode to synthesize the brand new hybridization liquid precursor which is low in viscosity, adjustable in component, low in solidifying temperature, good in dipping performance, free of toxicity, harmless and high in productivity, organic solvent does not need to be added to the hybridization liquid precursor, the hybridization liquid precursor can be used for preparing the ZrC-SiC superhigh temperature ceramics and the composite materials of the ZrC-SiC superhigh temperature ceramics, and according to the thermogravimetric analysis, the ceramic productivity of the hybridization liquid LPCS-PZC ceramic precursor is more than 69 percent. The percent conversion of the ZrC-SiC superhigh temperature ceramics or the percent conversion of the fiber-reinforced ZrC-SiC superhigh temperature ceramic composite material ceramic is high, the technology is simple, and the high-temperature oxidation resistance of the obtained materials is good.

The power supersonic transducer exciting circuit used in biomedicine engineering technology includes two signal generator circuits; gate circuit with first and second inputs connected to the outputs of the signal generator circuits, control end accepting the frequency selecting signal, the third input accepting signal from the protecting circuit and output connected to the input of the driver circuit; driver circuit with output connected to the signal input of serially resonant power amplifier circuit; serially resonant power amplifier circuit with feeding input connected to the voltage output of multiple-stage DC source to output protecting signal to the protecting circuit and signal output connected to the power supersonic transducer to excite it to send supersonic wave. The present invention has simple circuit, easy regulation, controllable output signal amplitude and duty ratio, high transmission efficiency and circuit safety.

The invention provides an energy-saving control method and system for an air-source heat pump system. The method comprises the following steps that S1, a building standard cooling and heating load prediction model is constructed; S2, building refinement partitioning is conducted according to the building standard cooling and heating load prediction model, a cooling and heating energy-using demanddynamic curve of all subzones of a building is generated, and the dynamic curve is updated once at intervals; and S3, an air-source heat pump unit and an indoor tail end thereof, a freezing water pump, a valve unit, a fan and a heat pump host respond to an instruction sent by a central host in time, and according to the energy-using demand dynamic curve and combination of a time delay caused by the adjustable segment length and fluid velocity, operation stages of the air-source heat pump system is divided into an equipment starting stage, a steady state operation stage and an equipment shutdown stage for staging control. The invention further comprises the energy-saving control system of the air-source heat pump system. The energy-saving control system has the advantages of being efficient, stable, free of pollution, low in energy consumption, significant in energy-saving effect and the like, and therefore the total energy efficiency of the system can be improved by 5% to 25% on the basis of the original system efficiency.

The invention discloses an automobile overhauling and washing hoist and belongs to the field of automobile overhauling and washing equipment. The automobile overhauling and washing hoist comprises a lifting device and a sliding device. The lifting device comprises a frame and a moving mechanism, wherein the frame is composed of four stand columns and two cross beams, and the middle of a lifting platform is further provided with a notch for overhauling a vehicle. The sliding device is provided with a cleaning device, and the cleaning device is installed on the upper part of the frame through asliding mechanism. The sliding device comprises a transverse sliding mechanism and a transverse sliding mechanism. The cleaning device comprises a water spraying mechanism and an air drying mechanism.The water spraying mechanism is installed on an auxiliary sliding trolley I, and the air drying mechanism is installed on an auxiliary sliding trolley II. The automobile overhauling and washing hoisthas the main applications that the full-functionality service can be provided, the facility can complete several jobs, it does not need to purchase multiple devices, the cost is saved, washing is flexible, drying is rapid, and operation is easy.

The invention provides an image gray-scale modulation method and a driving circuit which are applicable to a field emission display of a large screen, relating to the field of display manufacture technique. The method of the invention adopts a method which carries out the driving by dividing one line of image data into a plurality of sub-line time pulse width according to the weight of data line, and breaks through the limit that the traditional ADS method which is only suitable for displays such as PDP, etc. with memory effect has short luminescence time and large data register. The method of the invention adopts FPGA and a driving chip specially used for a plasma display to carry out control and data processing and realize the gray-scale modulation and driving of FED. The driving circuit consists of three parts: an FPGA control circuit, a gray-scale modulation high-voltage driving circuit and a damping isolating circuit. The driving circuit further improves the integration of the circuit, improves the output pulse voltage of the circuit, leads the contrast of the image displayed by the FED display to be greatly improved, and improves the reliability of the circuit and reduces the cost of the driving circuit simultaneously.

The invention discloses an air-conditioner energy saving control method, and belongs to the technical field of air-conditioners. An air-conditioner comprises indoor heat exchangers, an inverter compressor, outdoor heat exchangers and a throttling gear; the multiple indoor heat exchangers are connected in parallel, each indoor heat exchanger is correspondingly provided with at least one indoor draught fan, the multiple outdoor heat exchangers are arranged in parallel, and each outdoor heat exchanger is correspondingly provided with at least one outdoor draught fan. The control method includes the steps that the outdoor environment temperature is detected; the running frequency of the compressor, the indoor heat exchangers, the indoor draught fans, the outdoor heat exchangers and the outdoor draught fans are adjusted according to the scope of the outdoor environment temperature; and when the outdoor environment temperature reaches a preset scope, the temperature difference of the indoor environment temperature and the outdoor environment temperature is detected, and the running frequency of the compressor, the indoor heat exchangers, the indoor draught fans, the outdoor heat exchangers and the outdoor draught fans are adjusted according to the temperature difference. By means of the above control method, control over the air-conditioner is more flexible and convenient, and the energy-saving effect of work of the air-conditioner is improved more efficiently.

The invention discloses a cascaded converter-based multifunctional high-speed switch device which structurally comprises a main switch module, an auxiliary switch K1, an auxiliary switch K2 and an auxiliary switch K3; the main switch module is connected with a power source by the auxiliary switch K1 and is connected with a load by the auxiliary switch K3, and the main switch module is connected with the auxiliary switch K1 and the auxiliary switch K3 with each other in series and is connected with the auxiliary switch K2 in parallel with each other; and the main switch module comprises a cascaded H bridge converter and a wave filtering link, an output end of the cascaded H bridge converter is connected with the wave filtering link, and the cascaded H bridge converter comprises n H bridge converter cascaded units which are connected with one another in series. The cascaded converter-based multifunctional high-speed switch device is flexibly applicable to various connection modes between the power source and the load, has various functions of superspeed switching, voltage compensating, fault current limiting and the like, and is applicable to the middle and high voltage occasion due to a cascaded structure.

The invention relates to porous high-entropy hexaboride ceramic and a preparation method thereof. The invention relates to an ultrahigh-temperature porous high-entropy hexaboride ceramic, in particular to an ultrahigh-temperature porous high-entropy hexaboride ceramic with low density, high strength, high porosity and high air permeability and a method for preparing the ultrahigh-temperature porous high-entropy hexaboride ceramic by utilizing high-temperature gas-solid phase reaction and high-temperature partial sintering under a vacuum condition. The invention belongs to to the field of superhigh temperature porous ceramics, wherein the low density refers to that the density is not greater than 1.73 g/cm<3>, the high strength refers to that the strength is not less than 11 MPa, the high porosity refers to that the porosity is not less than 64%, the high air permeability refers to that the air permeability is not less than 2.65*10 <-11> m<2>, and the high entropy refers to that the types of metal elements in the hexaboride ceramic are not less than five.

The invention discloses an intelligent video laser bird repelling device for day and night and a using method of the intelligent video laser bird repelling device. An electric cloud deck is electrically connected with an electric control unit which is communicated with an infrared thermal imager, a solid laser and a scanning galvanometer unit, respectively; the solid laser is sequentially connected with a laser shaping lens, an optical axis aligning and adjusting unit and the scanning galvanometer unit; the infrared thermal imager transmits collected image information to the electric control unit; the solid laser is controlled to move through the electric control unit according to the collected image information; the electric control unit controls the scanning galvanometer unit to scan green laser in a field range to dispel birds in a full field-of-view at the same time. Bird targets are captured by using the infrared thermal imager without being affected by visible light and weather such as fog, snow and the like. A user just needs to carry out bird target capturing and bird dispelling work in a rear end monitoring platform through videos. By using the two-dimensional rotary electric cloud deck which is matched with the laser scanning galvanometer, the bird dispelling work range is effectively increased, and the intelligent video laser bird repelling device can be mounted on the ground, in vehicles and buildings to use.