303results about How to "No added cost" patented technology

A car heat management system comprises a battery circulating loop, an air conditioner refrigeration loop and a heat management controller, the battery circulating loop comprises a first battery pipeline, a power battery, a battery heat radiator and a heat exchange assembly, and the power battery, the battery heat radiator and the heat exchange assembly are connected to the first battery pipeline. The heat exchange assembly is used for carrying out heat exchange between the battery circulating loop and an external loop. The air conditioner refrigeration loop comprises a first refrigeration pipeline, a second refrigeration pipeline, a fan, a compressor, a condenser and an evaporator, and the compressor, the condenser and the evaporator are connected to the first refrigeration pipeline. The second refrigeration pipeline is connected with the heat exchange assembly, the two ends of the second refrigeration pipeline are connected to the positions, at the two ends of the evaporator, of the first refrigeration pipeline, and the condenser and the battery heat radiator are arranged on the air outlet side of the fan. The heat management controller is used for selectively starting the fan or the compressor to cool the power battery according to the cooling need of the power battery and the environment temperature. The car heat management system is correlated and integrated with a car air conditioning system, the heat load of the air conditioning system can be balanced, and the energy saving effect is good. The invention further relates to a car.

The present invention relates to quick self cleaning method for heat exchanger in air conditioner. The self cleaning method under refrigerating mode includes the following steps: 1. starting the air conditioner, starting the compressor, immobilizing the four-way valve, setting the indoor unit temperature at T1 deg.c, turning off the blower in the indoor unit, turning on the blower in the outdoor unit and closing the wind guide strip in the indoor unit to run for t1 min; and 2. turning on the blower in the indoor unit and opening the wind guide strip in the indoor unit to run for certain period to complete the self cleaning. The self cleaning method under heating mode includes the following steps: 1. starting the air conditioner, starting the compressor, mobilizing the four-way valve, setting the indoor unit temperature at T2 deg.c, turning on the blower in the indoor unit, turning off the blower in the outdoor unit and opening the wind guide strip in the indoor unit at most to run for t2 min; and 2. turning on the blower in the outdoor unit to run for certain period to complete the self cleaning.

The invention provides an acoustic modeling method used for speech inputting in a noise environment. The acoustic modeling method includes the following steps that a pure noise section is used for conducting noise adding treatment on standard linguistic data in a standard linguistic data set so that noise adding linguistic data can be formed; acoustic model training is carried out by the way of using the noise adding linguistic data, and an acoustic model of the noise adding linguistic data is established. The invention further provides an acoustic modeling device used for speech inputting in the noise environment and a speech recognition method and device used for speech inputting and system searching in the noise environment. By means of the acoustic modeling method and device, and the speech recognition method and device, the accuracy and the efficiency of speech recognition in the noise environment can be improved.

The invention belongs to the field of laser distance measuring, and particularly relates to a large-dynamic-range centimeter-level-precision laser distance measuring method. Precise distance information is obtained according to the following synthetic algorithm procedures: if the AD impulse amplitude does not achieve a set saturation threshold value, AD distance information is corrected accordingto a system calibration result, and intensity information is obtained according to the impulse amplitude; if the AD impulse amplitude achieves the set threshold value, the AD distance information is replaced with TDC distance information, the TDC distance information is corrected according to the impulse width and the system calibration result, and the corresponding echo intensity is obtained according to the impulse width; and furthermore, and through calibration of the echo intensity of different distances and different target reflectivity, the target reflectivity can be estimated using thedistance information and the echo intensity. According to the large-dynamic-range centimeter-level-precision laser distance measuring method, a waveform sampling and threshold value comparing processing method is combined, under the condition of large-dynamic-range echo, the target distance and echo intensity are precisely obtained, the distance measuring precision can achieve the centimeter level, and the target reflectivity is estimated according to the echo intensity.

The present invention is applicable to the field of image display, and provides an image scaling device, method and equipment. The image scaling device includes a vertical scaling unit and a horizontal scaling unit. The vertical scaling unit includes three sets of data respectively related to Y, U and V Corresponding data channel controller, at least two line buffers, and interpolation operator, the vertical scaling unit further includes: a configurable line buffer; and a configurable line buffer controller, which is set according to the image pixel data storage mode The configurable line buffer is used as the line buffer corresponding to the Y data channel controller or the line buffer corresponding to the U and V data channel controllers. Through the use of configurable line buffers, the present invention can realize the flexible conversion between symmetrical and asymmetrical line buffer structures of each data channel in the vertical scaling unit under different color data storage modes, thus without increasing the hardware cost The problem of asynchronous delay of each channel is eliminated.

The invention provides a ramp starting method of an electric drive tramcar for preventing sliding on a ramp, and belongs to the technical field of engineering machinery. The ramp starting method comprises the following steps of: calculating an estimated gravity component Gsin theta when a vehicle travels on the ramp through a formula: F-(Gsin theta+f)=ma, wherein F is motor torque; G is gravity of the vehicle; theta is gradient of the ramp; f is resistance; m is mass and alpha is acceleration; calculating drive force required when the vehicle starts on the ramp, wherein the drive force is greater than 0.9-1.2 times of estimated gravity component. An additional sensor does not need to be added; the motor drive force with certain accuracy is calculated out by equipment of the vehicle; a certain car sense of a driver is ensured, and the vehicle does not slide on the ramp, thereby playing a starting-assisting function.

The present invention provides a plug and play proxy gateway and its method. It can make user have no need of changing network configuration of customer machine and can access interconnected network. Said invention includes a network equipment, in said network equipment are mounted a web card and a proxy gateway execution module, said proxy gateway module includes: an ARP broadcast packet interception submodule, an ARP deception packet generation and transmitting submodule and a customer machine route list, and an ARP response packet interception submodule. Said invention also provides the concrete function and action of every above-mentioned submodule and customer machine.

The invention relates to a charge state estimation method based on open-circuit voltage hysteretic characteristics. The method is used for estimating the charge state of a lithium ion battery online. The method comprises the following steps that 1, a hysteretic characteristic curve of open-circuit voltage and the charge state of the lithium ion battery is obtained offline; 2, initial parameters of an open-circuit voltage hysteretic characteristic self-adaptive model based on a Preisach operator is determined through training according to the hysteretic characteristic curve, and the open-circuit voltage hysteretic characteristic self-adaptive model based on the Preisach operator is established; 3, the charge state of the lithium ion battery is estimated online according to the open-circuit voltage hysteretic characteristic self-adaptive model based on the Preisach operator, and the charge state of the lithium ion battery at the present moment is obtained. Compared with the prior art, the charge state estimation method based on the open-circuit voltage hysteretic characteristics has the advantages of being accurate in modeling, capable of improving the accuracy, accurate in estimation and the like.

The invention provides a method for drying through a temperature sensor of a roller washing machine. The method is that three temperature sensors are arranged to operate. The method comprises the steps of 1, presetting T1max, T2min and T2max; 2, drying, namely, synchronously starting a condenser, a water feeding valve, a draining pump, a condenser, a blower pump and a heater, or starting to circulate hot water, and determining that the clothes are dried after any one of the two necessary conditions is met during drying; 3, dynamically detecting t1, and finishing drying when the t1 is less than 50 DEG C. According to the method, the three temperature sensors are matched to monitor and determine the state, and the determining method is the same and free of influence of the clothes load in the washing machine and the water content rate of the clothes, so that the drying effect can be accurately determined; a certain fuzzy artificial intelligence function is achieved.

The embodiment of the invention discloses a cooperative caching method and a cooperative caching device, which relate to the technical field of networks and are used for improving local hit rate without increasing local server cost. The technical scheme provided by the invention comprises: according to caching information in a caching list, end-to-end delay between a local server and neighbor servers and popularity, acquiring the comprehensive income value of a cached video fragment and the comprehensive income value in the local server of a video fragment to be substituted; and when the comprehensive income value of the cached video fragment and the comprehensive income value in the local server of the video fragment to be substituted meet a substitution condition, substituting the video fragment to be substituted for the cached video fragment. The cooperative caching method and the cooperative caching device, which are provided by the embodiment of the invention, can be used in various network topologies such as tree-like topology and fully connected topology.

The invention discloses a fructo-oligosaccharide enzyme-containing detergent. The fructo-oligosaccharide enzyme-containing detergent comprises at least one conventional enzyme-containing detergent composition and fructo-oligosaccharide, wherein the mass ratio of the fructo-oligosaccharide to the conventional enzyme-containing detergent composition is less than 300:1,000. The fructo-oligosaccharide enzyme-containing detergent improves decontamination capacity, and also has the advantages of skin health protection, environment friendliness and the like.

The invention discloses a magnetometer correction method based on ellipsoid fitting. The method comprises the following steps: 1, establishing a magnetometer error model according to the influence ona magnetometer by error; 2, converting the magnetometer error model into a magnetometer ellipsoid error model according to collected magnetometer measured data; 3, calculating parameters in the magnetometer ellipsoid error model, and working out ellipsoid fitting residual; 4, determining a satisfaction interval, and calculating satisfaction value and a satisfaction interval probability, removing denoising points when the satisfaction interval probability is smaller than the satisfaction value, returning the step 3, recalculating the parameters in the magnetometer ellipsoid error model throughremaining data, working out the ellipsoid fitting residual, re-executing the step 4 till the satisfaction interval probability is greater than the satisfaction value, and further working out the ellipsoid fitting error, so as to accomplish magnetometer correction. The method can effectively improve magnetometer correction and compensation precision, and is high in reliability, low in cost, high inprecision and simple in calculation process.

The embodiment of the invention relates to the field of elevator devices, and discloses an elevator control system program upgrading method, an elevator control system and an elevator device. In thisinvention, the method is characterized in that a program in which the elevator control system can upgrade the target sub-module in a forwarding manner, maintainers only need to operate in the vicinityof the elevator control system during the upgrade process, so that the operation is easy; based on the stored upgrade flags, the elevator control system can verify the integrity of the application program by using the bootstrap to determine whether or not to execute the application program, and then burns and upgrades the application program to avoid the unintended consequences of continued execution of the application due to accidental interruptions or application corruption during the previous upgrade.

The invention relates to a control method of a servo motor. The control method of the servo motor comprises the steps that when a servo driver receives a rotating speed instruction given by an upper motion controller, and the rotating speed instruction is not zero, the servo driver works in a rotating speed closed-loop control mode, receives the rotating speed instruction of the upper motion controller, and controls a controlled object to rapidly and stably arrive at a target position; when the rotating speed instruction is set to be zero, the servo driver works in a motor position closed-loop control mode, a result obtained through calculation of a position loop serves as an actual rotating speed instruction, and the controlled object can be fixed to the target position. Influence of rotating speed feedback value fluctuation on a control result is eliminated, and shakes of the controlled object are prevented.

The invention discloses a system and a method for measuring an attitude angle rate signal of a carrier rocket. To each channel in pitching channel, jaw channel and roll channel for the carrier rocket, the angle rate signal is obtained through an attitude angle signal of a strapdown inertial measurement unit and by substituting a rate gyroscope; the attitude angle signal is subjected to quaternion algorithm; the angle rate signal is subjected to filtering; the quaternion algorithm result and angle rate signal filtering result are subjected to corrective network difference equation calculation to obtain swinging angle control instruction. Under the conditions of not increasing carrier rocket rate gyroscope hardware configuration and software algorithm complexity, gyroscope signal in the strapdown inertial measurement unit is fully used to join in the control of the attitude angle rate channel, the redundancy design problem of the carrier rocket attitude angle rate signal measurement is solved, and the beneficial effect of improving the flying reliability of the carrier rocket is achieved.

The present invention provides a gain adjustment method and a device. The gain adjustment method applied to the repeater of an LTE system comprises the steps of acquiring the received power of an LTE cell-specific reference signal; determining the reference amplification gain of the repeater according to the received power of the LTE cell-specific reference signal; according to the determined reference amplification gain of the repeater, adjusting the uplink amplification gain and the downlink amplification gain of the repeater. The received power of the LTE cell-specific reference signal can reflect the link loss information between a base station and the repeater, independent of the load condition of the base station. Therefore, the problem in the prior art that that the improper adjustment of the amplification gain as a result of the load variation of the base station or the low transmission power of the base station causes the relatively large uplink interference can be solved. As a result, the amplification gain of the repeater can be accurately adjusted. Moreover, the material cost is not increased at all, and the performance of the repeater is optimized.

The invention provides an array substrate, which comprises a plurality of grid lines, wherein each grid line comprises an outer lead. The array substrate also comprises a shielding layer, wherein the shielding layer is arranged above the outer leads of the grid lines and is connected with an earthing point for shielding space electromagnetic wave radiation excited by the voltage variation in the outer leads of the grid lines. Correspondingly, the invention also provides a manufacture method of the array substrate, a display panel comprising the array substrate and a display device comprising the display panel. According to the array substrate disclosed by the invention, the phenomenon that the left side and the right side of the effective display area on the display panel has white lines because of the space electromagnetic wave radiation excited when the display device is initialized during startup can be avoided.

The invention relates to a wireless sensor network data collection method, in particular to a wireless sensor network data collection method based on a data output filtering mechanism. The method is designed aiming to achieve reliable data collection in situations of disasters and extreme environments, and sink node decoding efficiency is improved by the aid of a local configuration network and a data filtering mechanism so as to improve network data collection efficiency. A local configuration network collection model, a pre-decoding mechanism, a data monitoring caching mechanism and the like are provided on the basis of an incremental network coding method, cache nodes are additionally arranged by the aid of a local configuration network model and form a single-hop data collection tree with proxy nodes, and when normal nodes perform data coding and exchange, the cache nodes store effective coded data by the aid of a monitoring and filtering function, so that decoding efficiency of sink nodes can be improved, and entire network data collection efficiency is improved. The method is capable of collecting network data at a speed approaching to the ideal collection speed, has excellent robustness, and is applicable to reliable and efficient data collection in disasters and extreme environments.

This invention discloses a method and a device for aligning phases of master and standby clocks, in which, the method includes: 1, setting a first master phase-locked loop and a first sub-phase-locked loop for the master clock and setting a second master phase-locked loop and a sub-phase-locked loop for the standby clock unit, 2, the master one controls a first clock signal to follow and lock the primary clock signal by opening the first sub-phase-locked loop and closing the first master loop, 3, the standby clock unit aligns the phases of the first and second clock signals by opening the second master loop and closing the second sub-loop and 4, the standby one reads the control value of the second-sub-loop following the first clock signal and controls that the phase of signals is the same when switching the master and sub-phase-locked loops according to the control value.

The invention discloses a recovering system of a product package material and an attached radio-frequency tag, comprising an RFID reader, a user identity register and authentication module, a recovering special database of the product package material and the attached radio-frequency tag, and a settlement system of the product package material and the attached radio-frequency tag, wherein the RFID reader can read attached radio-frequency tag information of the package material; the user identity register and authentication module carries out user register and authentication and then generates a user clearance account; the recovering special database of the product package material and the attached radio-frequency tag can store the attached radio-frequency tag information sent by the RFID reader; and the settlement system of the product package material and the attached radio-frequency tag can automatically settle the value of the attached radio-frequency tag read by the RFID reader, and calculate the value and change the calculated value into the user clearance account passing the user identity register and the authentication of the user authentication module. The invention can automatically recover the package material and the attached radio-frequency tag, can automatically transfer corresponding values of the package material and the attached radio-frequency tag into the user account, automatically classify the functions of the package material and recover and recycle the radio-frequency tag so as to greatly reduce the cost for using the radio-frequency tag.

The invention relates to an interactive multi-channel projection geometric correction method based on an intelligent mobile terminal. The method comprises the following steps that: (1) equipment in a system is started, and the intelligent mobile terminal is accessed to a computer network; (2) a user holding the intelligent mobile terminal stands in front of a splicing screen and performs geometric correction; (3) a geometric correction program of each controlled computer is run, the user determines projection channels to be corrected by observing the alignment status of interpolation points, an auxiliary line and an auxiliary geometric pattern in the overlapping area of neighboring projection channels on a projection screen, and chooses all interpolation points on a geometric correction auxiliary software interface of the intelligent mobile terminal, and the all interpolation points of the projection channel are displayed on the auxiliary software interface; (4) the user chooses the interpolation point to be adjusted in the channel through the intelligent mobile terminal and adjusts the screen coordinate of the selected interpolation point to make the screen coordinate of the selected interpolation point coincide with the corresponding interpolation point of the other projection channel, the projection plane is recalculated by the controlled computer and a calculation result is stored by the controlled computer; and (5) the geometric correction of other channels is finished by repeating the step (3) and the step (4).

The resonance unit of ballast includes: resonant capacitor (RC), in which first end is connected to an end of first filament of discharge lamp, and second end is connected to an end of second filament of discharge lamp; resonant inductor (RI), in which an end is connected to the first end of RC, and second end of RC and the other end of RI are connected to inversion unit to constitute closed loop. The ballast also includes filament warming up unit and abnormal protection unit (APU). APU includes warming and protecting branches connected to first and second filaments respectively to form closed loop. Each branch includes: drive part in use for generating drive signal in branches based on voltage at two ends of (RI); control part in use for controlling on / off of switching element in the inversion unit based on the drive signal; overflow protection element in use for shutting off the branch, in which current is larger than the specific value.

The invention discloses a high-strength high-toughness aluminum-silicon alloy prepared by a metal-type gravity casting technology and a T6 (solid solution+completely artificial aging) heat treatment technology. The high-strength high-toughness aluminum-silicon alloy mainly comprises 6.60-7.40wt% of silicon, 0.18-0.20wt% of magnesium, 0.06-0.08wt% of copper, 0.07-0.10wt% of titanium, 0.035-0.040wt% of zinc, 0.012-0.013wt% of manganese, 0.008-0.009wt% of strontium, less than or equal to 0.16wt% of iron as an impurity element, less than or equal to 0.002wt% of other trace elements and the balance aluminum. The high-strength high-toughness aluminum-silicon alloy has good casting performances and high mechanical properties, is free of a special alloy element or a special preparation technology, is prepared from the raw materials having a low cost and convenient for acquisition and preparation, is especially suitable for manufacture of light components having high strength and toughness demands and is suitable for popularization application in the automobile component manufacturing industry.

The present invention discloses a BOOST PFC convertor starting output voltage anti-overshoot digital control method. Control signals and reference voltage signals of PWM are changed through a DSP controller and a program, and the control of the algorithm is realized in the response interruption mode. At the moment of starting a PFC circuit, main power switch tube PWM signals are turned off so that the switch tube is located at the turn-off phase; and when the output direct voltage is equal to or close to a rectified output voltage, the reference value of the output voltage is equal to the rectified voltage, and the PWM signals are turned on. The reference voltage is changed to gradually increase to a setting value of the output voltage so that a soft-start function is completed. Without adding any hardware circuit elements, the starting output voltage overshoot of a BOOST PFC convertor may be avoided in a simple and effective digital control mode.

The invention relates to an RSSI (received signal strength indicator) technique based hospital patient positioning method. The method includes: firstly, adopting a theoretical logarithm- normal distribution model as a ranging model, arranging certain positioning nodes and an unknown node, measuring to obtain N (PL(di), di), using a least square method fitting curve to determine a path loss index eta and an environmental factor, and establishing relation between RSSI and the distance; secondly, selecting the three nodes nearest to the unknown node to form a positioning unit, determining coordinates of the unknown nodes with the three-point positioning method, determining corresponding center-of-gravity weight and distance weight, and combining center-of-gravity weight and distance weight of the positioning unit to obtain a final weight Wj; finally, performing positioning for M times circularly, subjecting M coordinates and corresponding weights thereof to weighted fusion, and calculating to obtain final coordinates of a tag. Compared with a common trilateration algorithm, the method has the advantages of high positioning accuracy, strong stability and the like and has important application value.

The invention discloses a virtual resource dispatching and optimizing method based on cost performance. When a user applies for resources, the applied resources are configured in their own integration ratio sections; in the system running process, the types of physical servers are periodically judged, and for a heavy load server, a plurality of virtual resources with the small usage rate are migrated to a physical server with the rising integration ratio or the smaller integration ratio in an adjacent section; for a light load server, a plurality of virtual resources with the large usage rate are migrated to a physical server with the descending integration ratio or the larger integration radio in an adjacent section. According to the resource dispatching and optimizing method, on one hand, the high load virtual resources in the same integration ratio section can be migrated to the physical server with the low integration ratio, and the user occupies more physical resources while spending least cost; on the other hand, the light load virtual resources can be migrated to the physical server with the high integration ratio on the premise that the performance is not affected, and operating cost can be reduced.

The invention relates to an ingot receiving device for a non-ferrous metal continuous casting machine. A stand 6 is provided with a motor 17; a power output shaft of the motor 17 is connected with a drive sprocket 16; the drive sprocket 16 is connected with a double-sprocket 12 of a conveying chain component 20 through a chain 15; the double-sprocket 12 is arranged on the stand 6 through a first hinge seat 13; a cylinder 19 is arranged on the stand 6 through a second hinge seat 18; the end part of a piston rod of the cylinder 19 is connected with the conveying chain component 20; one end of the conveying chain component 20 and a casting film component of the casting machine are arranged correspondingly; and the other end of the conveying chain component 20 is arranged and a conveying chain 11 of a cooling conveyer 14 are arranged correspondingly. The ingot receiving device uses the cylinder as a power source, realizes automatic ingot receiving, fully controls the pace of the ingot receiving, avoids the ingot clamping and effectively improves the safety and reliability of the ingot receiving. The ingot receiving device is ultimately favorable for realizing automatization of the casting machine set and improving the production efficiency of the continuous casting machine set.

The invention discloses a mining dump truck oil level measurement device and a measurement method. The mining dump truck oil level measurement device comprises an inclination angle sensor, a speed sensor, a liquid level sensor, a controller, a liquid crystal display and an engine ECU. Compared with a traditional oil level measurement mode, the angle of the road surface which a dump truck is attached to is measured through the inclination angle sensor, and the oil levels of the dump truck on inclined and ramp road surfaces can be accurately measured. After an engine of the dump truck is started, the speed of the dump truck is judged, the fuel consumption of the dump truck is calculated through the instant fuel consumption of the engine, the fuel oil level of the dump truck in the movement process is obtained by subtracting the fuel consumption of the engine from oil level data measured when the dump truck is static, the influences caused by pitching to the oil level when the dump truck is driven are eliminated, and the fuel oil level is accurately and stably displayed. The oil level measurement precision, especially the oil level measurement precision in the movement process, of the dump truck is improved without increasing cost, and practicability is high.

The invention relates to 'a production method of instant rice', which pertains to the foodstuff processing field. The production method of instant rice consists of cleaning out, soaking and slacking, and is characterized in that: enzyme treatment of the rice is needed before slaking; the enzyme treatment is that papain, cellulose and / or pectin are added into the soaked rice and mixed fully. The rice produced by the invention can be kept fresh for a long time and has a good taste, without taste of rice bran, retrogradation and aging. The enzyme treatment has simple technique, and the quality of the rice is substantially improved and the instant rice is easily accepted by consumers without increasing much cost.