52results about How to "Compensation for degradation" patented technology

Provided is a driving method whereby it is possible to simultaneously compensate for both degradation of a drive transistor and degradation of a light-emitting element without causing special light emission at the time of detecting characteristics in a display device. In a display device which includes a pixel circuit including an electro-optic element and a drive transistor, a driving method includes: a first characteristic detection step for detecting a characteristic of the drive transistor; a second characteristic detection step for detecting a characteristic of the electro-optic element; a correction data storage step for storing characteristic data obtained based on detection results in the first and second characteristic detection steps as correction data; and a video signal correction step for correcting the video signal based on the correction data. The second characteristic detection step is performed in a light emission period.

The invention discloses a method for compensating a dead area of a universal frequency transformer. The method comprises the following steps of: (1) acquiring three-phase current signals IU, IV and IW of a motor, and transmitting the signals to a digital signal processor to perform digital filtration by adopting a hardware filter; and (2) performing linear processing on the compensation magnitude according to the magnitude and positive and negative of the detected current, namely when the current of one phase is positive, correspondingly increasing a dead area time to the switch-on time of an upper bridge arm Qx of an inverting bridge corresponding to the current, and correspondingly reducing a dead area time from the switch-on time of a lower bridge arm Qy of the inverting bridge corresponding to the current; and when the current of the phase is negative, correspondingly reducing a dead area time from the switch-on time of the upper bridge arm Qx of the inverting bridge corresponding to the current, and correspondingly increasing a dead area time to the switch-on time of the lower bridge arm Qy of the inverting bridge corresponding to the current. The method is simple to compensate the dead area, has high compensation accuracy, and well overcome the defect of the conventional related compensation.

The invention discloses an outgoing maintenance management method and a system. The method and the system are mainly used for management and monitoring of outgoing maintainers. When an outgoing maintainer gets an outgoing maintenance task, he/she can judge the initial situations of a fault and required tools for maintenance according to a picture provided by a client. The maintainer fills outgoing maintenance information in an outgoing maintenance application form, delivers the outgoing maintenance application form to an approver for approving and can departs for outgoing maintenance after the approver approves. During the outgoing maintenance process, a GPS positioning sub-module will automatically obtain working tracks of the outgoing maintainer and feedback the working tracks on a map sub-module. A time sub-module will obtain departure time, maintenance time and returning time of the outgoing maintainer. According to the invention, outgoing maintainers are prevented from make false declaration on expense and effects and loss of enterprises is reduced; enterprises can know working dynamic states of the outgoing maintainers; and management of the maintainers by the enterprises is enhanced.

The invention discloses a full-automatic intelligent punching production system based on remote control. According to the technical scheme, the full-automatic intelligent punching production system is characterized by comprising an automatic feeding device, an automatic drawing molding device, an automatic edge trimming device, an automatic edge curling device, an automatic labeling device and an automatic stacking device which are arranged in sequence, and further comprising an automatic control system used for controlling the production line to operate in a remote mode. The automatic control system comprises a first pushing robot, a second pushing robot and third pushing robots, wherein the first pushing robot is arranged between the automatic feeding device and the automatic drawing molding device and used for automatically transferring and pushing semi-finished products; the second pushing robot is arranged between the automatic drawing molding device and the automatic edge trimming device; and the third pushing robots are arranged between the automatic edge trimming device and the automatic edge curling device and between the automatic edge curling device and the automatic labeling device. According to the full-automatic intelligent punching production system based on remote control, unmanned automated operation can be realized in all manufacture procedures, the semi-finished products can be transferred automatically between the manufacture procedures, and therefore automatic production is achieved in a real sense.

The invention relates to a manufacturing method for a silicon epitaxial wafer, in particular to a manufacturing method for a silicon epitaxial wafer of a low-voltage TVS (transient voltage suppressor). In the technical scheme, when a P-shaped epitaxial layer is grown on an N-shaped substrate, HCl (Hydrogen Chloride) is adopted for gas corrosion of impurities and metal atoms on the surface of the substrate, high-temperature large-volume hydrogen is then adopts for blowing, hydrogen is adopted for high-temperature baking of impurity atoms on the N-shaped substrate, and finally a pre-pass P-typedopant (B2H6) is grown on the epitaxial layer. Therefore, the concentration of gas-phase impurities in an epitaxial reactor and the concentration of impurities absorbed to a base and the surface of the substrate can be reduced, the degree of compensation of N-type impurities and P-type impurities can be decreased, and a clean growth zone can be formed. Moreover, gas-phase conditions in the reactor can be improved, the stability of the thickness of the epitaxial layer can be guaranteed, and thus, the stability of protective voltage for devices can be ensured.

The invention discloses a multi-layer lattice precipitation separating device for a V-shaped pipe. The device is characterized by comprising multiple groups of parallel vertical plates, each group of parallel vertical plates is formed by a left vertical plate and a right vertical plate, a plurality of oblique clapboards are arranged between the left and right vertical plates, the left and right vertical plates and two adjacent clapboards form a water passage with a parallelogram-shaped cross section, a mud discharge hole is formed above the intersected part of the right vertical plate and the clapboard, a mud discharge passage is arranged between each right vertical plate and clapboards in another group of adjacent parallel vertical plates, and two ends of the mud discharge passage are sealed to form a static liquid area. As the vertical plates are adopted in the invention, the precipitation efficiency is improved, and simultaneously the vertical plates are more convenient to construct.

Systems and methods for positioning a multi-featured biological array relative to a signal acquisition device. Detection of the array's positional deviation may be achieved by a calibration beam reflected from the array surface and detected by a position sensitive detector (PSD). The PSD-measured positional deviation can be transformed and used in a control loop to correct for positional variations of the array. The calibration beam and PSD may also be used to detect the array or feature boundaries, thereby allowing lateral centering or positioning of the array relative to the signal acquisition device.

The invention relates to a mining vehicle and to a method for an energy supply of the mining vehicle. The mining vehicle comprises at least one mining work device, at least one AC electric motor for powering the at least one mining work device, and an auxiliary energy source. The mining vehicle further comprises a power electronics device that is used for supplying reactive current and for charging or discharging the auxiliary energy source. The amount of the reactive current supplied by the power electronics device and the amount of the effective charging current for charging or discharging the auxiliary energy source are controlled such that the maximum value for the current of the supply cable and the maximum value for the current of the power electronics device are not exceeded.

The invention discloses a device for equipment hoisting on an overhead power line pole and an installation tool thereof, and belongs to the field of power construction. The device comprises at least one cross arm, wherein a pulley fixation device for installing pulleys for hoisting is fixedly connected to one end of the cross arm, a first stay wire hoop is fixedly connected to the other end of the cross arm, and the cross arm is installed on an electric pole through the first stay wire hoop. The installation tool comprises an elastic clamping piece, wherein a plurality of climbing wheels are uniformly distributed at the inner side of the elastic clamping piece, and the climbing wheels rotate to drive the elastic clamping piece to climb the electric pole; and a locking device for locking the first stay wire hoop is installed on the elastic clamping piece through a connection plate. The device is free form the influence of geographical environment, and in particular, avoids the dispute caused due to the entrance of large machinery into the ground, in the countryside, increases the construction efficiency, and reduces the construction expense; and the installation tool completes installation for the device on the premise of no need of manual climbing, and avoids the potential safety hazards brought by manual climbing installation.

The embodiment of the invention discloses an energy storage system output overshoot suppression control method and a device. The method comprises steps: according to a set sampling frequency, generator set output and a power grid AGC (Automatic Generation Control) instruction are acquired periodically; a state is updated according to the AGC instruction, and energy storage system compensation coefficients are determined; on the basis of the energy storage system compensation coefficients and the generator set output and the power grid AGC instruction acquired at the current sampling time, an energy storage system output instruction of the energy storage system is determined, and the energy storage system is controlled to respond to the energy storage system output instruction. Thus, by using the scheme of the invention, during the process during which the energy storage system and the generator set coordinate to respond to the power grid AGC instruction, the energy storage system output overshoot is suppressed, combined output of the generator set and the energy storage system can be more precisely controlled, and effects of a response to the power grid AGC instruction are enhanced.

The invention discloses a pixel, a driving method, a display panel with the pixel and a display device. The pixel comprises an organic light-emitting diode, a driving unit and a compensation unit, thedriving unit is combined to the organic light-emitting diode, and the compensation unit is combined to the data line and the organic light emitting diode, wherein when the pixel is in the compensation time period, the compensation unit is used for obtaining the difference value between the data voltage provided by the data line and the anode voltage of the organic light-emitting diode, the driving unit adjusts the driving current according to the difference value, and the driving current is used for driving the organic light-emitting diode to emit light. According to the present invention, the driving current can be adjusted according to the difference value between the data voltage provided by the data line and the anode voltage of the organic light-emitting diode, so that the driving current rises to compensate the degradation of the organic light-emitting diode, and the reduction of the brightness of the organic light-emitting diode can be reduced.

The invention discloses an air conditioning system and a control method for the same. The air-conditioning system comprises: a first refrigerant system including an evaporator; a water system including a first heat exchanger and a second heat exchanger, with the first heat exchanger being arranged at an air-out side of the evaporator and connected to a first heat exchange channel of the second heat exchanger; a second refrigerant system including a compressor A of which an output end is connected to a second heat exchange channel of the second heat exchanger; and a humidifier arranged at an air-out side of the first heat exchanger. The air conditioning system is capable of achieving warming/cooling and/or humidification/dehumidification of air through the use of different combinations of the water system, the second refrigerant system, and the humidifier, thus allowing for fast and accurate processing of temperature and humidity in different operating conditions; therefore, temperature and humidity compensation is decreased, and energy loss is reduced.

The invention relates to a multi-stage cable equipoise device mainly composed by a fixed type gain device being cooperated with an adjustable type gain device. The multi-stage cable equipoise device performs attenuation compensation on a main frequency band of a cable signal by the fixed type gain device, and performs adjustment on different individual frequency bands of the cable signal by the adjustable type gain device. The multi-stage cable equipoise device can has an advantage of elasticity during usage in a condition of low cost because of a design of the fixed type gain device being cooperated with the adjustable type gain device.

The invention discloses a tower pile foundation exposure lifting structure and a construction method. The tower pile foundation exposure lifting structure comprises pile foundation columns, a supporting truss and exposure columns. The supporting truss comprises a plurality of supporting columns, first transverse rods, first slant rods, first connecting rods, second slant rods and second connecting rods, the supporting columns are matched with the pile foundation columns one by one, the upper ends of the supporting columns are connected with a tower, and the lower ends of the supporting columns are connected with the pile foundation columns. Each exposure column warps the corresponding supporting column and partially wraps the pile foundation column matched with the corresponding supporting column, the upper ends of the exposure columns are flush with the upper ends of the supporting columns, and the lower ends of the exposure columns extend to the pile foundation columns. The tower pile foundation exposure lifting construction method includes the steps of enabling the tower to be separated from the pile foundation columns, enabling the lower ends of the supporting columns of the supporting truss to be fixed on the pile foundation columns, enabling the upper ends of the supporting columns of the supporting truss to be fixed on the tower, and constructing the exposure columns outside the supporting columns and the pile foundation columns. According to the tower pile foundation exposure lifting structure and the construction method, the internal combination is compact, the structure is firm, tower pile foundation exposure can be effectively lifted, and the construction cost is reduced.

The invention provides an anti-electric stealing measuring method for an electric energy meter. The method comprises the following steps: S1, starting running of the electric energy meter; S2, determining whether a preset electric stealing condition that the magnetic field strength of the electric energy meter is greater than 150m'T is satisfied, proceeding with S3 if so, otherwise returning to the S1; S3, determining whether a preset selection compensation mode is automatically started, proceeding with S4 if so, otherwise proceeding with S6; S4, using a compensation measurement formula P=U*Imax to calculate a pulse output quantity, recording voltage and current parameters, and proceeding with S5; S5, exiting the compensation mode, using a normal measurement formula P=U*I to calculate thepulse output, and proceeding with S7; S6, recording a start time T3 and an end time T4 of the time period that meets the preset electric stealing condition, and recording a current instantaneous maximum value Imax and a voltage value U within T3 and T4; and S7, ending. By providing a compensation mode, the anti-electric stealing measuring method for an electric energy meter can automatically calculate the power loss of the electric energy meter during the electric stealing time period, or record various parameters of the electric energy meter during the electric stealing time period, so as tofacilitate subsequent recovery.

The invention discloses a steel ball precision counting and size identification device and method and belongs to the steel ball manufacture technical field. The invention aims to solve the problems of low counting precision and incapability of identifying the sizes of steel balls in the prior art. The steel ball precision counting and size identification device of the present invention comprises a material storage unit, a pre-counting unit, a precise counting unit, an image acquisition unit, a computer control system and a single compensation system; the pre-counting unit is arranged at the outlet end of a material storage disk and comprises a pre-counting disk of which two sides are provided with protruding edges, an area adjusting mechanism which adjusts the working area of the pre-counting disk, and a first lifting mechanism which drives the pre-counting disk to move up and down; the precise counting unit is arranged at the outlet end of the pre-counting disk; the image acquisition unit is arranged above the precise counting unit and acquires the images of steel balls on a precise counting disk; the computer control system is connected with the image acquisition unit; the computer control system controls each moving unit to move and performs data processing on the images of the steel balls so as to obtain steel ball quantity and steel ball size information; the single compensation system performs step compensation on the steel balls on the precise counting disk; and the material storage disk, the pre-counting disk and the precise counting disk tilt entirely.

The invention discloses a compact automatic diversion intersection system. The system comprises a foundation, a plurality of intersections and a plurality of piers, each intersection comprises a ground turning-around path, a ground turning path and one or more upper and lower diversion paths which are divided into a ground layer and an overhead layer, and all the paths do not interfere with each other to ensure the passing height; land resource occupation is reduced by about two thirds, demolition and compensation are reduced, oil, electricity, time and money are saved, and good economic valueis achieved; rural and suburb cultivated lands are saved, and the social value is high; the driving distance is short, emission is little, and certain environment-friendly value is achieved; all thepaths are special paths, automatic diversion is achieved without forks or lane merging, drivers do not worry about the paths, and good driving experience is achieved; the traffic is fast, the flow islarge, and the system is an effective method for governing urban congestion and reducing traffic accidents; and the compact automatic diversion intersection system can be built in a place where a large flyover cannot be built due to space limitation in the past, so that the system becomes true.

The invention discloses a tool for clearing barriers around aerial cables on the ground. The tool comprises an insulating rod, a cutter and a saw blade, the cutter is sickle-shaped, a meniscate first cutting blade is arranged at the top of the cutter, a second cutting blade bent inward is arranged below the cutter, an arc-shaped third cutting blade is arranged on a side edge of a front end of the cutter, a tool holder is arranged at a tail end of the cutter, the tool holder is fixed to a top end of the insulating rod, and the saw blade is fixed to the tail end of the cutter. Compared with the prior art, the tool disclosed by the invention has the functions of chopping, cutting, jacking, pulling, hooking and sawing, and requires no tree climbing aerial operation, thereby reducing the risk of electrified operation and greatly reducing the safety risk. No ladder needs to be carried, the tool is convenient to carry and is complete in functions, and an electrician can carry no other felling tools. The operation is simple and understandable, and a large amount of manpower is not required, thereby saving the labor cost. No power cut is required for close electrified branches in general. The compensation caused by cutting a whole tree resulting from that the branches cannot be cut is reduced.

A display device is provided. The display device includes: a display panel including a plurality of pixels configured to receive pixel driving currents; a current sensor configured to measure an entire driving current diverged into the pixel driving currents; and a temperature sensor configured to measure an ambient temperature of the display panel, wherein the display panel includes a degradationcompensator configured to generate output grayscale values for the pixels based on the entire driving current, the ambient temperature, and input grayscale values for the pixels.