1283 results about "Control level" patented technology

A combination of acid zirconium phosphate and alkaline hydrous zirconium oxide are utilized as ion-exchange materials, for example, in sorbent dialysis. The combination provides for dialysate regeneration while maintaining constant and controlled levels of Na+, HCO3−, and pH.

The present invention relates to a method of controlling a modular, tiled, large-screen emissive display application, e.g. an OLED display application. The method of controlling e.g. includes a first control level (214) for controlling the emissive devices, a second control level (212) for controlling the emissive display modules and a third control level for controlling the emissive display tiles (210). The number of control levels can be larger or it can be restricted to two levels. The method of controlling according to the present invention allows for similar control and calibration algorithms to be run at all levels, and allows for distributed processing in order to reduce bandwidth requirements and processing complexity. Furthermore, the control method of the present invention includes a method of operating and a method of monitoring a modular, tiled, large-screen emissive display.

The present invention depicts a method, system and program product for controlling levels of security and levels of encryption based on a predefined policy profile. This enables administrators and those who control the network to easily respond to changes in the requirements of the security levels for specific applications. It also allows for response to changes in personnel (such as someone being removed from a position that had topsecret security access) and accommodates variations in access by client devices.

A method, system and apparatus for setting a transmit power control level in a wireless communication system. Aspects of both open loop and closed loop transmit power control schemes are used to determine a transmit power level. A method includes measuring a power level of a received signal, receiving a transmit power control (TPC) command, and calculating a transmit power level based on the power level of the received signal and the TPC command.

Disclosed herein is a two-level, network-based application control (NBAC) architecture for monitoring services provided via a packet-based network. The NBAC architecture includes a Network Trigger System provided at a network level to analyze data flows relating to services to be monitored to detect occurrence of configurable events, and to generate and send event reports; and a Usage Status Engine provided at a control level to configure the Network Trigger System to detect occurrence of events of interest, and to receive and process the event reports from the Network Trigger System to monitor the services.

Methods, systems and related computer products for providing entitlement controlled levels of collaborative exchange of data using a computer network of Subscribers and Publishers, are configured to: (a) define a set of different privacy levels, each privacy level having associated data sharing parameters that control a participating Publisher's ability to send and a participating Subscriber's ability to receive content specific data; and (b) provide an electronic privacy level register that defines the different data sharing parameters for each of the different privacy levels and identifies an associated at least one privacy level for each participating Subscriber and Publisher.

An arrangement includes a plurality of microsystems and a controller. Each of the plurality of wireless microsystems is operable to measure at least one parameter of a space, and to transmit the at least one parameter wirelessly. The controller is operably coupled to receive the information corresponding to the at least one parameter directly or indirectly. The controller is operable to cause a change in a lighting control level based at least in part on the information. The wireless microsystems may suitably measure light levels and / or occupancy regarding the space.

The present invention involves apparatus and methods to perform wireless terminal transmission power control. The invention uses novel and highly efficient methods to: convey power control information, specify power control level adjustments, recognize power control information, limit interference in the power control signaling, and recognize corrupted power control signaling, thus conserving wireless terminal energy and minimizing power control signaling and associated bandwidth. Base stations send analog power control command signals, with a continuous range of control levels, to wireless terminals for transmission power adjustments. Power control signals include two components which can be used to convey information, e.g., power control commands, signal quality, device identity information. For zero power adjustment, the control component signal is not transmitted. For a non-zero adjustment, power control signals are sent using control ranges and limits, known to the base station and wireless terminal, with the scaling adjusted or synchronized based upon feedback information.

The present invention involves apparatus and methods to perform wireless terminal transmission power control. The invention uses novel and highly efficient methods to: convey power control information, specify power control level adjustments, recognize power control information, limit interference in the power control signaling, and recognize corrupted power control signaling, thus conserving wireless terminal energy and minimizing power control signaling and associated bandwidth. Base stations send analog power control command signals, with a continuous range of control levels, to wireless terminals for transmission power adjustments. Power control signals include two components which can be used to convey information, e.g., power control commands, signal quality, device identity information. For zero power adjustment, the control component signal is not transmitted. For a non-zero adjustment, power control signals are sent using control ranges and limits, known to the base station and wireless terminal, with the scaling adjusted or synchronized based upon feedback information.

The embodiment of the invention provides a disease prediction method, device, a medium and electronic equipment. The disease prediction method comprises steps: activity trajectories of multiple usersare acquired; if a patient diagnosed with an infectious disease appears in the multiple users, based on the activity trajectories of the multiple users in a predetermined time period, the position relationship between other users in the multiple users and the patient in each time point is determined; according to the position relationship between other users and the patient in each time point, thecontact degrees between other users and the patient are calculated; and target users with the contact degrees with the patient higher than a predetermined threshold are predicted as a high-risk diseased population. In the technical scheme provided by the embodiment of the invention, persons closely contacted with the infection source of the infectious disease (that is, the patient) are determinedthrough the position information of the user, persons at risk of infection can be further accurately determined, corresponding measures are taken timely, and the health control level of the user is improved.

The invention relates to a DC-DC converter having over-current / over-voltage protection function and an LED driving circuit using the same. The DC-DC converter adjusts a width of a switching pulse outputted from a Pulse Width Modulation (PWM) controller to control on / off durations of a switch, thereby providing a controlled level of voltage to a load. The DC-DC converter includes a microcontroller for detecting a voltage, and if the detected voltage is greater than a reference voltage, generating an alarm signal. The DC-DC converter further includes a digital-analogue converter for outputting a voltage of 0V and an analogue dimmer for generating a control signal that changes an ‘on’ duration of the switching pulse outputted from the PWM controller to 0 and providing the control signal to the PWM controller.

A wind power plant connectable to an electric grid is provided that has at least three control levels. A controller controls an angular position of the rotor blades and / or controls a setting of the reaction member of the hydrodynamic speed transformer and / or controls the power electronics of the generator. The controller is provided with predetermined setpoint characteristics depending on operating states of the wind power plant and / or the electric grid or characteristics of the wind.

A device for controlling levels of light output by a solid state lighting load at low dimming levels includes a bleed circuit connected in parallel with the solid state lighting load. The bleed circuit includes a resistor and a transistor connected in series, the transistor being configured to turn on and off in accordance with a duty cycle of a digital control signal when a dimming level set by a dimmer is less than a predetermined first threshold, decreasing an effective resistance of the bleed circuit as the dimming level decreases.

An access control method executed by a computer system, including applying an access rate limit until a user issuing access requests is verified, a first control level involving verifying the user, a second control level applying hack program detection tests to the access requests and verifying the user, a third control level requiring use of predetermined download software for transmitting the access requests and verifying the user, a fourth control level blocking access to the service on the basis of at least one communications address corresponding to the access requests, and invoking the control levels sequentially depending on a number of failed attempts to verify the user.

A combination of acid zirconium phosphate and alkaline hydrous zirconium oxide are utilized as ion-exchange materials, for example, in sorbent dialysis. The combination provides for dialysate regeneration while maintaining constant and controlled levels of Na+, HCO3−, and pH.

A method for making ethylene polymers and copolymers is disclosed. The method uses a catalyst system comprising a low level of an aluminum-containing activator, a bridged indenoindolyl transition metal complex, and a treated silica support. The method enables economical preparation of ethylene copolymers having very low density. The silica-supported, bridged complexes incorporate comonomers efficiently and are valuable for a commercial slurry loop process. Use of a bridged indeno[2,1-b]indolyl complex provides exceptionally efficient comonomer incorporation, and gives polymers with a substantial and controlled level of long-chain branching. The method facilitates the production of a wide variety of polyolefins, from HDPE to plastomers.

The invention relates to a three-dimensionally adjustable disconnectable curtain wall connecting device. In the three-dimensionally adjustable disconnectable curtain wall connecting device, the section of a back pendant has a chair shape; a back bolt hole is formed at the back of the chair and is in threaded connection with an embedded nut at the back of each curtain wall plate through a back bolt; the back chair legs have L shapes and are propped against the back of each curtain wall plate; a jackscrew bolt hole is formed on the chair surface and is connected with an adjustable supporting piece of which the upper end is embedded between the front and back chair legs through a jackscrew bolt; the adjustable supporting piece is formed by connecting a supporting plate, a vertical plate and an adjusting plate to be a whole; the supporting plate is in top contact connection with the jackscrew bolt; the thread height of the jackscrew bolt is more than the longitudinally adjusting distance of each curtain wall plate; and a long round hole vertical to the wall body is formed on the adjusting plate. The device solves the problems that the position of each curtain wall plate cannot be adjusted, the plate gaps are different in sizes, the curtain wall plates are staggered with one another and the like so as to guarantee the appearance of the curtain wall and overcomes the defect that the installation of the traditional curtain wall plates completely depends on the control level and the vertical deflection of keels at the same time, so that the construction quality can be controlled easily.

A wind power plant connectable to an electric grid is provided that has atleast three control levels. A controller controls an angular position of the rotor blades and / or controls a setting of the reaction member of the hydrodynamic speed transformer and / or controls the power electronics of the generator. The controller is provided with predetermined setpoint characteristics depending on operating states of the wind power plant and / or the electric grid or characteristics of the wind.

A fan control system and method that maintains the operating temperature of computer and electronic devices or components at about a predetermined control level to minimize power consumption and audible noise. The fan control system is a programmable closed loop system including a temperature sensor, first and second fan controllers, and a fan / motor assembly including a power converter, a motor, and a fan. The first fan controller provides programmable acceleration / deceleration of the fan during an initial fan spin up, and the second fan controller runs the fan only as fast as necessary to keep the sensed temperature level of a computer device as close as possible to the predetermined control level, thereby minimizing the power consumption of the system and the audible noise of the fan.

The invention discloses a turbine DEH system high-pressure regulating valve flow characteristic testing and setting method, which comprises the steps: relieving the AGC and the primary frequency modulation control method of a DEH system high-pressure adjusting valve, and recording the main steam pressure of a unit; relieving the coordination control method and the DEH remote control method of the DEH system high-pressure adjusting valve, and switching in a DEH valve control method and main steam pressure constant pressure automation; forcedly closing the high-pressure adjusting valve by an instruction according to a specified rule, and recording data; forcedly opening the high-pressure adjusting valve by an instruction according to a specified rule, and recording data; determining a flow characteristic correction curve of the high-pressure adjusting valve according to experimental result data. The testing and setting method has the beneficial effects that the unit efficiency and whole performance indexes are improved, the automation control level is improved, the operation efficiency of the unit is improved, and primary energy is saved.

A system and method for putting a fuel cell vehicle system into a stand-by mode where there is little or no power being consumed, the quantity of fuel being used is minimal and the fuel cell system is able to quickly recover from the mode. The method includes determining whether predetermined stand-by mode vehicle level entrance criteria have been satisfied at a vehicle control level and predetermined stand-by mode fuel cell level entrance criteria have been satisfied for a fuel cell system control level, and putting the vehicle in the stand-by mode if both the vehicle level entrance criteria and the fuel cell level entrance criteria have been satisfied. The method exits the stand-by mode if predetermined vehicle level exit criteria have been satisfied or predetermined fuel cell level exit criteria have been satisfied.

The present invention discloses a vehicular tilt-sensing method and an automatic headlight leveling system using the same. The method of the present invention comprises steps: using an image capture device to capture an image of the road and obtain at least one instantaneous lane marking line from the image; extending the instantaneous lane marking lines afar to obtain an instantaneous vanishing point; establishing an instantaneous horizontal line passing through the instantaneous vanishing point; calculating from the image the displacement between a datum horizontal line and the instantaneous horizontal line; and calculating the tilt angle with the displacement and the focal length of the image; using the tilt angle to generate a control signal to control level adjusting controllers to adjust headlights, whereby the headlights can provide optimized illumination to enhance night driving safety on a rugged road or in the case that the vehicle is unevenly loaded.

According to one embodiment, a system for controlling access to data on an electronic communication network is provided. The system includes at least one server connectable for communication on the network. The at least one server is configured for: receiving data from at least one user of a plurality of users, via the network; storing the received data; generating control levels corresponding to one or more portions of the stored data; receiving selected modifications to at least one of the generated control levels from the at least one user, via the network; providing controlled access to the one or more portions of the stored data according to the generated control levels and the modified at least one of the generated control levels.

A field controller for use in a distributed control system including an area controller and at least one field controller. The field controller manages at least one controlled device in an industrial process operation. The field controller comprises a processor module segment through which it can control a selected number of devices, and it may also include one or more expansion module segments to enable it to control a larger number of controlled devices. The processor module segment includes a processor module and at least one local interface module for interfacing to a controlled device, and the expansion module segment includes interface modules for interfacing to other controlled devices. In the processor module segment, the processor module and said local interface module are interconnected by a bus segment, which is also connected to an upstream off-module connector. Each expansion module segment includes at least one interface module, and also includes a downstream off-module connector and an upstream off-module connector, which are interconnected by a bus segment. The downstream off-module connector of each expansion module segment is adapted to mate with the upstream off-module connector of the processor module segment and of other expansion module segment, so as to facilitate the interconnection of the processor module segment and a sequence of expansion module segments by establishing a unitary multi-drop bus comprising the processor module's bus segment and the bus segments of expansion module in the sequence. The processor module controls each controlled device through the respective local interface module or expansion interface module connected thereto. The processor module segment and each expansion module segment are each mounted in a housing segment which is configured to form a unitary housing when they are interconnected.

The present invention discloses an electrical control method and a device for a multi-suspension-point crane. The control method comprises the following steps: a. preparation mode: a high and low voltage distribution system, a main driving system and a control system, etc can be detected to check whether fault is existed; b. steel wire rope pre-tensioning mode: each lifting motor adopts torque control and gives out torque given valve, and then a weighing sensor can check whether the steel wire rope is tightened; c. hovering mode: each lifting motor adopts speed control, the controller sets motor torque limiting valve, load hoist can be underwent and centroid position of loaded object can be calculated; d. joint lifting mode: each lifting motor adopts speed control, the torque limiting value of the motor is the same as that in hovering mode, and constantly monitoring and correction can ensure smooth lifting of hanging piece. The electrical control method improves control level of automatic operation and operation efficiency and reduces error of manual operation. The technology can be used for various cranes with the need of synchronous control and has broad application prospect.

The invention relates to a distributed photovoltaic energy storage system and an energy management method. The system comprises a photovoltaic cell array and an energy storage cell component; a converter device comprises a photovoltaic cell direct current conversion module, an energy storage cell direct current conversion module, a rectification conversion module, a grid-connected inverter module and an off-grid inverter module; the energy management system is connected with each module; a layered control strategy is applied to optimize operation of the distributed photovoltaic energy storage system; a central decision-making level makes an operating strategy of the whole system according to current energy conditions and feeding characteristics of each power supply; a centralized control level monitors states of distributed power supplies in real time and takes corresponding control measures under different energy conditions; and a local executing level selectively cuts a part of loads or stores surplus electricity into an energy storage cell according to the load requirement of an actual system and the energy conditions. Photovoltaic power generation and energy storage technologies are sufficiently combined, so that the photovoltaic and the energy storage are intelligently controlled, and the energy management efficiency, the power supply reliability, power quality and the like of the system are effectively improved.

The present invention is directed to skin treatment formulations having salicylic acid and other secondary ingredients. The secondary ingredients may include: non-comedogenic essential oils and plant extracts and sebum reducing agents. Salicylic acid and the secondary ingredients are provided in amounts effective to provide a sufficiently aggressive skin treatment for unclogging pores and reducing inflammation, while maintaining levels of sebum on the exterior of the skin to form an operative water barrier on the skin and hair. Additionally, a method is provided that unclogs pores, reduces inflammation, and controls levels of sebum on the exterior of the skin to maintain an operative water barrier on the skin and hair. The method may include, applying a sufficiently aggressive product comprising salicylic acid, non-comedogenic plant extracts and essential oils, and a sebum reducing agent to hair and its surrounding areas.