99results about How to "Optimize control function" patented technology

A method and a system are disclosed for function control using a display unit including a touch area and a non-touch area. The device includes an output area for displaying various types of screen data corresponding to execution applications, a control area for providing a graphical user interface (GUI) for controlling a function of the device, and a control unit for detecting execution of a particular application, configuring a screen comprising the output area and the control area in response to the executed application, and controlling a function of the device according to a user interaction occurring through the GUI in the control area.

A main object of the present invention is to provide a combined oil ring capable of exhibiting a sufficient tension, having excellent oil scraping function and oil control function, even if a coil expander formed of a shape memory alloy is used. To achieve the above mentioned object, the present invention provides a combined oil ring comprising: an oil ring formed into cross-section substantially of an I-shape that two rails are connected at a columnar portion thereof; and a coil expander, which is placed in an inner peripheral groove formed on the inner side of a periphery of the columnar portion connecting the two rails of the oil ring, and which presses the oil ring radially outward, wherein the coil expander is formed of a shape memory alloy, and is formed of anomaly wire having rectangular cross sectional shape.

The invention relates to a digital transformer station protection control method and a multifunctional protection controller thereof, which belongs to the technical field of relay protection of the electric power system. The method comprises the following steps: a merging unit and an intelligent switch grouping unit of the digital transformer station perform message analysis and calculation to all groups of received message data to obtain the measured value of each group the message data; whether the starting of each group is satisfactory or not is detected by using the measured values, and whether the electric apparatus is out of service or not or in a normal working state is judged; the measured values of the group and the other groups and the computing result form wide area information together; and the protection and control functions of a feeder line, a transformer, a bus and a capacitor bank in the digital transformer station are performed. The controller mainly comprises a monitoring module and a plurality of functional modules. The invention realizes the comprehensive integration of protection and control of the digital transformer station. Furthermore, the invention can reduce the investment cost as well as the work load of running and maintenance, enhance the protection and control performance and enhance the security and the reliability of running of the transformer station.

The invention claims an uninterruptible power source (UPS) monitoring device integrated to a communication apparatus, which comprises a central processing unit (CPU), an input/output circuit and a connection interface. The connection interface is used for providing an interface connected with a UPS power source; the input/output circuit comprises an optocoupler which is used for obtaining an alarm signal of the UPS through the connection interface, carrying out optical coupling isolation and outputting the alarm signal to the CPU, and controlling the UPS according to a control command sent by the CPU; and the CPU is shared by the communication apparatus and used for receiving and processing the alarm signal of the UPS to generate the control command and sending the control command to the output circuit. The uninterruptible power source monitoring device has favorable popularity, low cost, simple control, stability and reliability.

The invention discloses a control method for a Bluetooth device, which is suitable for the Bluetooth device. The method comprises the following steps of: acquiring an account and a password; receiving the matching requirement sent from a control device; verifying the account and password according to the matching requirement; creating a wireless connection with the control device when the verification of account and password passes; receiving the Bluetooth control order sent from the control device; and executing an action according to the Bluetooth control order. In the method, firstly a set of account and password is acquired by a Bluetooth device, the matching requirement sent from a control device is received when passing the control device, and the account and password are verified according to the matching requirement; a wireless connection with the control device is created when the verification of account and passwords passes, and the Bluetooth control order sent from the control device is received; finally, an action corresponding to the Bluetooth control order is executed. When entering a specific occasion, the Bluetooth device can be promptly adjusted to silence mode or directly shut down via the matching requirement and control mechanism, therefore the interference or the harm to environment is prevented.

The invention discloses a jet flow assisted laser plasma wafer cutting device and method. The jet flow assisted laser plasma wafer cutting device comprises a femtosecond laser, a jet flow assisting system, a CCD image system, a focusing lens set, a beam splitting lens, a rotary device, an optical shutter, a third harmonic generation device, a machining platform and a control system; the control system controls the femtosecond laser to generate laser, the laser is divided into two beams through the beam splitting lens, and the two beams of laser pass through the optical shutter separately or sequentially pass through the optical shutter and the third harmonic generation device and then enter the focusing lens set; a wafer is fixedly installed on the machining platform, the CCD image system is used for obtaining the position and state information of the wafer (13) and feeding the information back to the control system, and the control system controls the machining platform to move the wafer to the predetermined position; and the control system controls the rotary device to adjust the direction of jet flow sprayed by the jet flow assisting system to the laser focusing point of the focusing lens set, so that jet flow sprayed by the jet flow assisting system and laser of the focusing lens set are injected to the initial machining position of the wafer.

The invention relates to a light emitting device and a controlling method thereof, wherein, the light emitting device comprises at least one light emitting unit, a switch unit, a comparing element, a charge storage unit and a sensing unit. The switch unit is electrically connected with the light emitting unit and the comparing element respectively; the charge storage unit is electrically connected with the comparing element and stores quantity of electric charge; the sensing unit is electrically connected with the charge storage unit and includes a light sensing circuit which senses light emitting brightness of the light emitting unit, and the sensing unit regulates the quantity of electric charge and the voltage corresponding to the quantity of electric charge according to the light emitting brightness; wherein, the comparing element compares the voltage with a critical voltage and controls the light emitting unit through the switch unit according to the comparative results. The light emitting device and the controlling method thereof can reduce the cost and expense.

The invention relates to a method for controlling an illuminative high-power LED, in particular to a method for managing a plurality of single-LEDs in groups. The method comprises the steps of: carrying out current sharing control and leading a group of single-LEDs with current greater than that of other groups of single-LEDs to distribute current to other groups of single-LEDs. The method for controlling the illuminative high-power LED can regulate work current in a unified manner, keep constant state and equal distribution of the work current, and guarantee uniformity between electrical parameter and temperature coefficient of the single-LED so as to effectively enhance stability and service life of the illuminative high-power LED.

Disclosed is a flat zero-velocity forbidden electric brake controller for regenerative feedback-type electric-braking electric car, which comprises an extremum controller, a zero velocity detector, a set trigger and a control gate, on the base of setting extremum and zero velocity datum value, it real-time collecting the actual speed value of the electric car and the electric braking master control signal, and by total-digit datum discrimination structure, real-time discriminating the history process relation between flat zero velocity and the electric braking master control and controlling the realization of electric brake in flat zero velocity state. The invented is a special functional device for the variable-frequency driven electric car with regenerative feedback-type electric brake, avoiding the car backflow phenomenon at flat zero-velocity and optimizing the control function of the electric-car control system.

The invention relates to a controller of a TV system and a method for controlling a channel thereof. The controller of the TV system comprises a judgment module group which is used for judging whether a control instruction with a selection function in a representative channel exists or not. The invention is characterized in that the controller of the TV system also comprises a cumulative module group, a configuration module group, a sequencing module group and a memory module group; among which, the cumulative module group is used for receiving the control instruction with a selection function in a representative channel and generating a cumulative value each time; the configuration module group is used for matching each channel which is selected each time with the cumulative values, and using each cumulative values as an index for each channel; according to the cumulative values, the sequencing module group sequence arranges the selected channels which are closest to current time in the front line and arranges the selected channels which are further from the current time in the back line; and the memory module group records the channels which are sequenced by the sequencing module group into a channel list. A channel list is established in advance according to a plurality of channels which are selected, the selected channels which are closest to current time are arranged in the front line and the selected channels which are further from the current time are arranged in the back line on the channel list so as to be convenient for a user to select the channels.

The invention provides a method for controlling the combustion process of a circulating fluidized bed boiler on the basis of multivariable generalized predictive control optimization. The method comprises the steps that 1, the design parameters of controllers for the combustion process of the circulating fluidized bed boiler are initialized; 2, a combustion process model is built through identification of a multivariable gradual reducing memory recursive least-square method according to collected process variable data of the combustion process of the circulating fluidized bed boiler; 3, the parameters of the proportion-integration-differentiation (PID1) controller, the PID2 controller and the PID3 controller are subjected to optimal setting according to multivariable generalized predictive control characteristics, and setting results are decoupled; 4, according to the obtained parameters of the controllers, the coal feed amount, the primary air volume and the secondary air volume are controlled respectively, and therefore the bed temperature, the main steam pressure and the oxygen content of smoke of a hearth outlet are controlled; and 5, the next moment starts, and the step 2 to the step 5 are repeated. According to the method, the control precision is high, the tracking speed is high, overshooting is avoided, steady state errors are small, the anti-coupling capacity is high, and the control process is smooth; the method is a multivariable control technology, which is simple in mode and convenient to implement, for the combustion process of the circulating fluidized bed boiler.

This invention relates to air condition of a converter and its control method, which determines the maximum operational frequency sphere with actual condensation temperature and controls the drive of a compressor including: determining a first operational frequency of the compressor to test the condensed temperature of a condenser then determining the highest operational frequency based on the condensed temperature to bring it into the sphere of the highest operational frequency to control drive of the compressor with the re-determined frequency.

The invention discloses a small compressed air energy storage system and method and belongs to the compressed air energy storage technology. The small compressed air energy storage system is composed of a storage tank, an air compressor, a pressure expansion machine and an electric/generator part. The small compressed air energy storage system uses a dual-functional switch reluctance electric/generator as a core motor to replace independent compression motor and engine in a general compressed air energy storage system, the system cost can be lowered, the volume is reduced, and the system reliability is improved. In the air compression process, the electric rotating speed is regulated through a self-adaptive control method according to the compression characteristic of the air storage tank so as to obtain an optimized compression efficiency. In the process of releasing air to generate electricity, the air pressure is regulated through the self-adaptive control method so as to regulate the rotating speed of the generator and obtain the optimized power generation efficiency. The small compressed air energy storage system is reasonable in structure, small in volume, high in efficiency and capable of providing peak clipping and valley filling for an electrical power system, or the small compressed air energy storage system serves as a small renewable distributed power generation storage device.

The present invention relates to a kind of air conditioner and its control method. Specially, it is a kind of air conditioner composed of compressor for compressing refrigerant, liquor storage device connected with inlet side of compressor and pressure balance unit connected with outlet side of compressor and connected with one side of liquor storage device. Besides, said invention also provides the concrete steps of its control method.

The invention discloses a PLC control cabinet, solves the problems of low intelligentization degree and prevention of thievery of an existing PLC control cabinet, realizes intelligent control of the PLC control cabinet, and reduces manpower cost and theft risks. The PLC control cabinet includes monitoring equipment, a processor and a PLC control cabinet body; the monitoring equipment is installed in the PLC control cabinet body and includes surveillance equipment and control equipment which are in communication connection with the processor, the surveillance equipment is used for collecting data information and transmitting the collected data information to the processor, and the control equipment is used for executing a control instruction of the processor; and the processor is installed in the PLC control cabinet body or outside the PLC control cabinet body, analyzes the data information after receiving the data information, and feeds back the control instruction to the control equipment through calculation.