4711results about How to "Flexible control" patented technology

A semiconductor memory device capable of preventing or minimizing bit line disturbance and performing a low-voltage high-speed operation includes a read data path circuit including a bit line sense amplifier, a local input / output line sense amplifier, a column selecting unit to operationally connect bit lines connected to the bit line sense amplifier to local input / output lines connected to the local input / output line sense amplifier in response to a column selection signal, and a local input / output line precharging unit to precharge the pair of local input / output lines by a first precharging unit, equalizing the pair of local input / output lines by an equalizing unit, and to precharge the local input / output lines by a second precharging unit following an elapsed time after the bit line sense amplifier is activated, while the column selection is deactivated.

The invention relates to a method of ciphering data transmission in a radio system, and to a user equipment using the method, and to a radio network subsystem using the method. The method includes the steps of: (602) generating a ciphering key; (604A) producing a ciphering mask in a ciphering algorithm using the ciphering key as an input parameter; (604B) using a logical channel specific parameter or a transport channel specific parameter as an additional input parameter to the ciphering algorithm; and (606) producing ciphered data by applying the ciphering mask to plain data.

The invention discloses a high-tension transmission line inspection robot based on a multi-rotor aircraft, which comprises a four-rotor aircraft and an inspection system, wherein a double-power module supplies power to the four-rotor aircraft and the inspection system; the four-rotor aircraft comprises a robot body, four rotors, four rotor motors and four rotor motor drivers, the rotors, the rotor motors and the rotor motor drivers are matched, the four rotors are fixedly arranged on respective rotor motors, and the four drivers are respectively connected with respective rotor motors 3; and the inspection system performs shooting and data transmission on high-tension transmission lines. The robot disclosed by the invention performs air flight inspection based on four rotors, and is high in air flight stability and good in inspection speed. Through wireless camera shooting control, a visible light camera can be moved to a position near a suspected fault point so as to realize the emphasized detection of suspected fault points of the high-tension transmission lines.

Spinous process constraint structures include a first attachment element for placement over a first spinous process and a second attachment element for placement over a second spinous process. The attachment elements are joined by a single connector which may optionally include a compliance member for providing controlled elasticity between the spinous processes.

This invention provides methods and systems for flushing, washing, and priming microscale devices for reuse. Washing and priming methods include flowing solutions from a manifold to flush wells and microchannels of a microfluidic chip. Systems include manifolds adapted to seal and flow solutions or gasses into chip wells. Devices include microfluidic devices with data storage modules to track the reprocessing status of the microscale devices.

Methods of improving protein production in animal cell cultures are provided. Cell culture methods are presented wherein glucose is fed in a restricted manner to cell culture; this restricted feeding of glucose to the cell culture results in lactate production being controlled to a low level. The restricted feeding of glucose in a fed-batch process is not accomplished through a constant-rate feeding of glucose, and the restricted feeding need not depend on sampling. Instead, restricted feeding of glucose to the culture is accomplished through feeding of glucose to the culture at a rate that is a function of an expected or a premodeled rate of glucose consumption by the animal cells when exposed to medium containing a high level of glucose. Because lactate production is controlled to low levels, recombinant protein production is increased.

This invention provides methods and systems for flushing, washing, and priming microscale devices for reuse. Washing and priming methods include flowing solutions from a manifold to flush wells and microchannels of a microfluidic chip. Systems include manifolds adapted to seal and flow solutions or gasses into chip wells. Devices include microfluidic devices with data storage modules to track the reprocessing status of the microscale devices.

The invention discloses an intelligent household appliance control method, device and system. The intelligent household appliance control method comprises the steps that an intelligent household appliance controller obtains a household appliance control instrument, wherein the intelligent household appliance controller is connected with a plurality of controlled household appliance devices; the intelligent household appliance controller determines a target household appliance device from the controlled household appliance devices according to a household appliance control instrument, wherein the target household appliance device is controlled by the household appliance control instrument; the intelligent household appliance controller controls the target household appliance device according to the household appliance control instrument. According to the intelligent household appliance control method, device and system, the problem that control over the multiple intelligent household devices is not flexible is solved.

A method of controlling a transmission power for a communication connection in a communication network is provided. The communication network comprises a user equipment communicating with the communication network, at least one transceiver station for providing a connection with the user equipment, wherein a serving transceiver station is provided for the user equipment, and a controller for controlling the at least one transceiver station. A connection value used at the communication connection between the user equipment and the serving transceiver station is determined, and on the basis of the determined connection value, power control parameters are adjusted wherein at least one change of power control parameters is possible between respective connection value ranges. A power control of the transmission power for the communication connection is executed on the basis of a comparison between the adjusted power control parameters and connection quality measurement results determined for the communication connection. Furthermore, a corresponding system and a corresponding controller are provided.

The invention relates to a method of controlling a wind turbine connected to an electric utility grid during malfunction in said electric utility grid (9). The method comprises the steps of detecting a malfunction in said electric utility grid and operating at least two control units of said power converter (12) in relation to at least one power converter limit value. The invention also relates to a control system for a wind turbine connected to a utility grid and a wind turbine.

The invention provides an LED atmosphere illumination control system, which adopts the standard DMX512 control protocol and a bus type network structure. A controller intensively controls all LED lamps. The system comprises an embedded light synchronous controller, an indoor atmosphere illumination controller, a general high-power LED drive, a transmission medium and the LED lamps. The system canperform scene mode control by network control mode, remote control mode, automatic control mode, manual control mode and various control modes; no less than nine scene modes are preset or can be freely set according to individual preference; digital diming can be achieved by an embedded program, and the illumination and the color tone of the light can be controlled precisely; and each lamp can beindependently controlled or can be controlled by networking. The system can ensure the evenness of the illumination effect while achieving the energy-saving illumination control and is widely applicable to local intensive illumination control of public places and families.

An implanted electric pulse system for stimulating nerve to treat Parkinson's disease, epilepsy, pain, strain and spasm is composed of a pulse generator implanted in human body, leading lines, electrodes, external program controller, PDA and external control magnet. The working state of pulse generator and the pulse parameters can be remotely controlled and regulated by said external magnet, program controller and PDA. The software update can also be performed through PDA and program controller.

A pressure control method of an electronic pressure cooker includes using a temperature sensor to acquire change of the temperature of the cooker according to a relation between the temperature of the cooker and the pressure; converting the change of the temperature into the change of the pressure; and completing control of the pressure of the cooker through a circuit. An electronic temperature sensor is used to replace a mechanical pressure switch, the regulation control is accurate, and the failure rate is low.

The invention provides a method for controlling a robot based on visual sense. The method comprises the following steps of: (1) acquiring a gesture image of a human hand by using a camera; (2) extracting characteristic points of the human hand from the gesture image; (3) performing three-dimensional reconstruction on the characteristic points to obtain a position relation of the characteristic points of the human hand in a three-dimensional space; (4) converting coordinate points corresponding to the characteristic points of the human hand to be under a base coordinate of the robot; (5) performing inverse-solution calculation by using the position relation of the human hand under a base coordinate system of the robot to obtain a joint angle of the robot; and (6) driving the robot to run by using the calculated joint angle. The method has the advantages that: 1) the control is intuitive, and the holding gesture of the robot directly corresponds to the gesture of the human hand; 2) the control is flexible without contacting an onerous exchange tool; 3) an operator can be assisted to operate more accurately and safely by imitating the prior art; 4) the recovery is allowed to be interrupted or the operator is allowed to be replaced in midway; and 5) the operator does not need to walk in a wide range so that the operating pressure of the operator is reduced.

The invention provides road traffic inspection system and method based on a small unmanned aerial vehicle. The road traffic inspection system comprises a flying control subsystem, a road monitoring detecting subsystem and a road information distributing subsystem; the flying control subsystem is used for shooting the traffic condition of each road on real time and sending the shot picture to the road monitoring detecting subsystem; the road monitoring detecting subsystem is used for processing the received picture to obtain the traffic condition data and processed picture of the road and then displaying the processed picture on real time; the road information distributing subsystem is used for receiving the traffic condition data analyzed by the road monitoring detecting subsystem, storing the traffic condition data into a historical database and sending to related department and / or an information platform. With the adoption of the system, the traffic conditions of all roads can be flexibly and efficiently comprehensively monitored on real time; in addition, the corresponding traffic condition can be obtained through the shot pictures; meanwhile, the safety level of the roads is also improved.

The invention discloses an uplink power control method, equipment and system. The method comprises the steps that network side equipment configures at least two sets of uplink power control parameters corresponding to uplink signals for user equipment; the user equipment is informed with the configured sets of uplink power control parameters, so that the user equipment determines the emission power of the uplink signals. According to the technical scheme, the uplink emission power can be controlled flexibly.

The invention provides a measuring device and method for the target line-of-sight angel offset and distance. The device is composed of a four-quadrant avalanche photodetector, a receiving and sending optical unit, a noise compensation circuit, a four-circuit front amplification circuit, a video amplification circuit, an automatic gain amplification circuit, a peak keeping circuit, an AD conversion circuit, a laser, a dominant wave sampling circuit, a summing circuit, a time identifying circuit, a time test circuit and a digital processing circuit, wherein the receiving and sending optical unit enables narrow pulse laser rays emitted by the laser to be converged on the photoelectric detector to form echo light spots after target reflection, photovoltaic conversion of the four-quadrant avalanche photodetector, front amplification, video amplification and automatic gain amplification are conducted, narrow-pulse peak keeping is conducted, transmission of the AD conversion circuit is conducted, and the digital processing circuit extracts the digital line-of-sight angel offset; summing is conducted on the four-circuit front amplification circuit, the dominant wave sampling circuit is combined, the time identifying circuit determines laser emitting and echo coming and returning time, the time is transmitted to the time identifying circuit to be measured, and the digital processing circuit decodes the corresponding distance.

The invention discloses a mixed bipolar DC transmission system. The system comprises a rectification converter station and an inversion converter station which are connected through a DC transmission line, wherein the rectification converter station is formed by two thyristor converters through serial connection, and the serial connection node is grounded; and the inversion converter station is formed by two modular multilevel converters (MMCs) through serial connection, the serial connection node is grounded, and positive and negative ends after serial connection are connected with one-way connection power devices. The system has the advantages of low cost and loss, high reliability and the like of the existing thyristor converter, flexible control of the MMCs, low harmonic, active-reactive power decoupling control, low dependence on an alternating current system and the like; and the system is divided into positive and negative poles, so that operating reliability is strengthened, and the power devices provided with the one-way connection capacity and additionally arranged at outlets of inverters can effectively handle DC faults. The system is suitable for occasions such as high-power long-distance high-voltage DC transmission and island current delivery, provided with broad development space, and worthy of being popularized vigorously.

The invention discloses a distributed cache control method which comprises the following steps: according to the configuration information, a data access protocol and routing information are pre-loaded; according to the pre-loaded data access protocol, the data access request of a client is received; according to the pre-loaded routing information, at least a cache server in which the data requested by the data access request is located in is searched; according to status information of all searched cache servers, one cache server is selected as a target cache server; and the data access request is forwarded to the target cache server according to the pre-loaded data access protocol, to respond to the data access request. Correspondingly, the invention also discloses a distributed cache control device and a system. The invention can support various data access protocols, flexibly switch the used cache servers according to the status information of the cache servers, and realize the flexible control to distribution cache.

The invention provides an intelligent control system for LED tunnel lamps and a method for controlling the LED tunnel lamps. The system comprises a control center PC computer, a tunnel lamp controllerand lamps, wherein a brightness / temperature / current sensor is connected with the controller via a transmission medium; the control center PC computer is connected with a plurality of drive control modules via the controller and a bus structure; and each drive control module is connected with a constant-current driving power supply of each LED tunnel lamp. Therefore, the system detects the intensity and weakness of light at the entrance and exit of a tunnel in real time via optical detectors distributed in the tunnel by applying highly accurate intelligent detection measure based on an advanced RISC microprocessor, and feeds processed data back to a control center; the control center processes the data and controls various tunnel lamps at different positions so as to control the brightnessof the LED tunnel lamps at different positions and finally achieve the aim of saving energy source.

In a data communication system, data is transmitted from a control device to a communication interface and from there via a communication bus to additional communication interfaces of trigger devices. The communication interface on the control device side has inputs, to which signals from said control device and a disarming switch can be assigned. The disarming switch can be circumvented by a bypass switch which is controlled by the control device. The state of the signal at the inputs of the communication interface on the control device side is transmitted to coresponding outputs of the communication interfaces of the triggger devices. A trigger device has a safety unit which is used to test at least one trigger unit, when the state of the signal of the outputs authorizes such a test and the trigger voltage source is not yet charged wth the full trigger voltage. In said state, the safety unit also blocks triggering as soon as the trigger voltage has been reached. The inventive system ensures a high degree of functional safety and flexibility.

The invention discloses a starting power generation system for an electric automobile, which comprises a double salient pole starting power generator, a starting power generation controller and controller working power; the starting power generation controller comprises a bidirectional power conversion circuit, an exciting current detection unit, an output current detection unit, an output voltage detection unit, a position rotation speed detection unit, an armature current detection unit, an exciting main circuit and a digital signal processor, wherein the exciting main circuit includes an exciting relay, a rectification filter unit and a chopper circuit which are connected in series in turn; and the digital signal processor is connected with the exciting current detection unit, the output current detection unit, the output voltage detection unit, the armature current detection unit, the position rotation speed detection unit, and the control ends of the bidirectional power conversion circuit, the exciting relay and the rectification filter unit by signals respectively. The invention also discloses an electric automobile and a control method thereof. Compared with the prior art, the starting power generation system is simple in structure, low in cost and flexible to control.

The invention discloses a remote access control system based on terminal fingerprint identification. The remote access control system comprises a mobile terminal, a service logic module, a fingerprint verification module, an access control module. According to the remote access control system, the mobile terminal provided with a fingerprint collection device is used for collecting fingerprints of users, registration and terminal binding are conducted in the system, when a user needs an access permission, the user real-timely requests at a terminal, the system judges fingerprint data and terminal data of the user and endows the user the corresponding access permission after verification, and the user uses a password to open an access or uses the system to open the access in a remote mode after obtaining the permission. The remote access control system collects the fingerprints of the users and distributes electronic door lock permissions to the users in a remote mode through the system so as to provide the users a convenient and quick electronic access control access method.

The invention discloses a control method and wearable electronic equipment. The control method and the wearable electronic equipment are used for solving the technical problem that the control effect on smart home equipment is poor in the prior art, enriching control modes of the smart home equipment and improving the control effect. The method includes the steps at least one physiological characteristic parameter of a user wearing the wearable electronic equipment is obtained through at least one sensor; a first user state which the user is in at present is determined according to the physiological characteristic parameter; M pieces of smart home equipment connected with the wearable electronic equipment are controlled so that a current working mode can be adjusted to a target working mode corresponding to the first user state, wherein M is a positive integer larger than or equal to 1, and wireless network connection is established between the wearable electronic equipment and the M pieces of smart home equipment.

The invention relates to a complex control system and method of a modular multi-level converter. The method is characterized in that each submodule capacitor voltage of an upper bridge arm and a lower bridge arm on the modular multi-level converter, currents of the upper and lower bridge arms and a power supply voltage of an alternating current (AC) side are detected, and a master controller carries out an operation on each submodule capacitor voltage, the currents of the upper and lower bridge arms and the power supply voltage of the AC side to obtain the public pulse-width modulation (PWM) duty ratio of the upper and lower bridge arms; an upper and lower bridge arm controller carries out an operation on each submodule capacitor voltage of the upper and lower bridge arms and the public PWM duty ratio of the upper and lower bridge arms to obtain the PWM duty ratio of each submodule of the upper and lower bridge arms; and the PWM duty ratio of each submodule is processed by a PWM signal generator so as to generate PWM control signals of each submodule, thus realizing balance control of each submodule capacitor voltage of the convertor and current and voltage control of the convertor. The complex control system is not required to use a special charge-discharge power circuit for a capacitor, can be applied to any PWM node, controls circulating flow flexibly, meets special demands, and is specific in physical significance and sufficient in theoretical foundation.

The present invention discloses a communication base station energy-saving air-conditioning unit, which comprises a compressor formed a circulating system, a fresh air system for feeding fresh air, a constant temperature and humidity indoor machine unit for processing the fresh air and the return air, a three-way valve (1), an air exhausting axial fan (2) and a first air return opening (3), wherein the three-way valve (1) is connected with an air inlet (6), the present invention also comprises a temperature sensor for detecting air temperature of the base station and outside air temperature, a temperature sensor for detecting the air humidity of the base station and outside air, and a controller for controlling the air exhausting axial fan (2), the three-way valve (1), a proportion regulating valve (5), the constant temperature and humidity indoor machine unit and the compressor according to the information of the temperature sensor and the humidity sensor. The present invention can effectively reduce the energy-consumption of the air-conditioning unit by reasonably using air flow organization and distribution.

The invention discloses a resonant compensation topology variable magnetic coupling resonant wireless electric energy transmission device and method. The transmission device comprises a rectification module, an emitting end voltage stabilization module, a high-frequency inversion module, an emitting end coupling resonant coil, a receiving end coupling resonant coil, a receiving end resonant circuit capacitor, a receiving end rectification module, a receiving end voltage stabilization module, a variable resonant compensation circuit module and a detection control module, wherein the input end of the variable resonant compensation circuit module is connected with the output end of the high-frequency inversion module; the output end of the variable resonant compensation circuit module is connected with the emitting end coupling resonant coil; the detection control module is used for detecting charging parameter and input parameter information, and driving the on-off of an MOS (metal oxide semiconductor) tube and the on-off of a controllable switch. At a constant current charging stage, the series / series resonant compensation topology is used; at a constant voltage charging stage, the LCC / series resonant compensation topology is used; on the premise of not changing an electric automobile side receiving end device, the unique requirements of electric automobile charging are effectively met; the efficiency and power optimization of a wireless electric energy transmission system is considered.

The invention discloses a method realizing media file play of an external storage device by a set-top box. In the invention, the external storage device access to the set-top box equals to a local hard disk of the set-top box and the media play can be called local media file play, according to the program on a video play server. The local file play system includes a remote control unit, a set-top box, a display equipment and an external access storage device. When the set-top box detects the external access storage equipment, users can access to the generated local media play list by pressing down the remote control unit pre-defined key and select media file play by media file analysis and a plurality of index information play construct. The stunt play supports FF, REW, pause, play revert and located play. By the invention, users of the set-top box can watch the favorite programs at any time by storage equipments and provides users with more selection and convenience.

The invention relates to a Zigbee smart home system based on multiple controllers, which comprises a smart home gateway, monitoring nodes and four kinds of controllers. The smart home gateway is provided with an Ethernet controller, an infrared receiver, a Zigbee coordinator and a video monitoring module, and is communicated with the monitoring nodes through Zigbee. The monitoring nodes are used for personnel invasion monitoring, gas and fire alarming, temperature and humidity monitoring, and lamp and household electrical appliance control. The four kinds of controllers are connected with the smart home gateway through the Zigbee, infrared rays and the Ethernet and are respectively used for realizing gesture control, speech control, infrared remote control and long-distance control. The Zigbee smart home system based on multiple controllers has the advantages of multiple control methods, convenience in customization and upgrade, and the like.

A wheel leg type mobile robot with a flexible trunk is composed of the robot trunk, a front wheel leg device and a rear wheel leg device. The robot trunk is formed by connecting two isomorphic joint modules. Each joint module is composed an outer U-shaped frame, an inner U-shaped frame, an overturning steering gear, rotating shafts, a steering gear output disc, a direct-current motor, a direct-current motor output gear, a rotating gear, a bearing and a rotating disc. The overturning steering gear is fixed in the outer U-shaped frame and drives the inner U-shaped frame to be overturned up and down, and the direct-current motor output gear is meshed with the rotating gear to drive the rotating disc. The front wheel leg device comprises a steering gear box, steering gears, steering gear output discs, universal wheels and legs. The rear wheel leg device and the front wheel leg device are basically identical and only different in leg orientations, four steering gears and the steering gear box are fixedly connected through screws, and the universal wheels and the legs are respectively fixedly connected with steering gear rotating shafts. The wheel leg type mobile robot with the flexible trunk is simple in structure, can continuously move when overturned, and has high environment adapting capability.