193results about How to "Does not affect life" patented technology

The invention relates to a vehicle type recognition method based on a CNN and domain adaptive learning. The method comprises steps of: establishing a CNN-based initial model by adding a rotation-invariant layer in an Alexnet network, distinguishing a discriminant layer and designing a new objective function; separately extracting the feature maps of different-domain sample convolution layers by using the established initial model, calculating the cosine similarity between the sample feature maps, determining the shared convolution kernel or the non-shared convolution kernel of the CNN, retaining the weight and the offset of the shared convolution kernel, and updating the weight and the offset of the non-shared convolution kernel; based on a target-domain training sample, calculating the cosine similarity between respective feature map layers and the average similarity of the entire target domain, and clustering each type of similar feature maps according to the average similarity; expanding source-domain samples with similar distribution characteristics in the target domain to new samples in the target domain, adjusting the entire CNN model by using the new samples in the target domain, and then using a softmax classifier to classify the vehicle types of the test samples in the target domain.

A vehicle type recognition method based on CNN multiple-features combining and multi-core sparse representation includes the steps of using a smart traffic camera to take a vehicle image under complex scene, conducting pretreatment for the vehicle image, designing five convolutional layers and three full connection layers and automatically extracting global and local characteristics of the vehicle based on AlexNet network in CNN, taking the feature maps of the first, second and fifth pooling layers and sixth and seventh full connection layers subjected to column stretching as vehicle feature components and inputting to five different single-core functions, forming a combined feature matrix through weighted fusion, solving the weight of each function and the projection matrix of the combined feature matrix, and realizing vehicle type recognition according to core sparse minimal reconstruction error. Real-time vehicle type identification can be realized, traffic flow information needed can be extracted, traffic jam problem can be solved, and general planning and road construction of a road network are facilitated.

The invention relates to an adaptive measurement and control system for a charge-discharge process of an integrated storage battery, in particular relates to an adaptive measurement and control system for a charge-discharge process of an integrated storage battery by dynamically regulating and controlling a power supply adapter and load power to work in a corresponding optimization condition so that an application embodiment has perfect safety and protective function. The power supply adapter and the load power are dynamically regulated and controlled to work in adaptive charge and discharge mode with an automatic optimization condition through a measurement and control module, the practicable service life of the storage battery can be doubled prolonged, and rapid charge can be achieved. The system is widely applicable for application scenes such as an illuminating system, a standby power supply system, a dynamic power supply system, a ships and warships power supply system, an automobile power supply system, a solar energy storing and supplying system, a mobile power supply system and the like.

The invention provides a resonant SiC MOSFET bridge arm crosstalk suppression drive circuit and a control method thereof. The circuit comprises a first voltage totem pole structure circuit connected between a first forward power supply and a first reverse power supply of an upper bridge arm; a first drive resistor circuit; a first low impedance circuit connected between a gate and a source of an upper tube; a second voltage totem pole structure circuit connected between a second forward power supply and a second reverse power supply of a lower bridge arm; a second drive resistor circuit; and asecond low impedance circuit connected between the gate and the source of a lower tube. An input end of the first drive resistor circuit is connected with an output end of the first voltage totem pole structure circuit, and an output end is connected with the gate of the upper tube. The input end of the second drive resistor circuit is connected with the output end of the second voltage totem pole structure circuit, and the output end is connected with the gate of the lower tube. The upper tube is connected with the lower tube. According to the circuit, performance advantage of a SiC MOSFET high speed switch can be exerted fully, a bridge arm crosstalk suppression function is realized, and moreover, the high speed switch also can be realized.

The invention discloses a wearable cardiac sound monitoring device. The wearable cardiac sound monitoring device comprises a wearable cardiac sound acquiring and sensing module, a mobile phone cardiac sound signal receiving and processing information module and a central server, wherein the wearable cardiac sound acquiring and sensing module consists of a microphone, a signal amplifying and transmitting circuit, a microprocessor, a wireless transmission module, an earphone shell and a wearable fixing device; a cardiac sound signal of a user is collected through the wearable cardiac sound acquiring and sensing module, and passes through the signal amplifying and transmitting circuit, namely, a circuit amplifying circuit and an A/D (Analog to Digital) sampling circuit to obtain a cardiac sound electronic signal; the cardiac sound electronic signal is transmitted to mobile phone equipment through wireless transmission equipment; the corresponding cardiac sound signal receiving and processing information module is arranged on a mobile phone; the received cardiac sound electronic signal is subjected to digital filtration and computation to obtain corresponding cardiac sound information; the acquired cardiac sound information is transmitted to the central server through the mobile phone. An algorithm is implemented through an algorithm, an entropy relation between a fuzzy signal and a signal is used for predicting the future health state of heart through computation, and the user is promoted of matters needing attention in advance.

The invention relates to a solar battery piece welding belt machine, in particular to a full-automatic solar battery piece welding belt machine capable of performing programmable control over automatic conveying of battery pieces and welding belt materials. The full-automatic solar battery piece welding belt machine mainly comprises a welding belt system, a working rack and a control system. The working rack is a metal plate rack composed of a workbench and a work cabinet, a rack outer cover matched with the working rack is arranged, and the control system is a programmable control system. The welding belt system mainly comprises an automatic material piece supplying system, a material piece conveying system, a welding belt conveying system and an automatic material collecting mechanism. The continuous battery piece feeding, welding belt feeding and battery piece welding belt and battery piece colleting work of the welding belt machine can be finished through the automatic material piece supplying system, the material piece conveying system, the welding belt conveying system and the automatic material collecting mechanism which are compact in structure and the programmable control system, the quality of the welded battery pieces is guaranteed while the productivity of enterprises is greatly improved, the situations of sealing off, pseudo soldering and deviation soldering do not exist in the battery pieces, and the product is more standardized.

The invention discloses a pain-relieving, blood-invigorating and tendon-relaxing plaster and a preparation method thereof. The pain-relieving, blood-invigorating and tendon-relaxing plaster comprises the following components in percentage by weight: 0.1-30% of rhizoma zingiberis, 0.1-20% of rhizoma kaempferiae, 0.1-20% of radix angelicae, 0.1-15% of rhizoma nardostachyos, 0.1-15% of rheum officinale, 0.1-10% of divaricate saposhnikovia roots, 0.1-10% of radix clematidis, 0.1-10% of lumbricus, 0.1-10% of resina draconis, 0.1-10% of coptis chinensis, 0.1-10% of garden balsam stems, 0.1-10% of lycopodium clavatum, 0.1-10% of caulis Spatholobi, 0.1-10% of myrrh, 0.1-10% of frankincense, 0.1-10% of borneol, 0.1-10% of peach kernels, 0.1-10% of angelica sinensis, 0.1-10% of syzygium aromaticum, 0.1-10% of pepper, 0.1-10% of cortex periplocae, 0.1-10% of Schizonepeta, 0.1-10% of cassia twig, 0.1-10% of magnolia flowers, 0.1-10% of notopterygium roots, 0.1-10% of ligusticum wallichii, 0.1-10% of radix angelicae pubescentis, 0.1-10% of moutan barks, 0.1-10% of pepper, 0.1-10% of rhizoma Atractylodis, 0.1-10% of menthol, 0.1-15% of methyl salicylate, 0.1-10% of ground beeltles, 0.1-15% of raw pinellia ternate, 0.1-10% of safflower carthamus and 0.1-10% of camphor. The pain-relieving, blood-invigorating and tendon-relaxing plaster disclosed by the invention has good anti-inflammatory and analgesic effects and an effect of promoting blood circulation to remove blood stasis, and not only can thoroughly relieve osteoproliferation, arthralgia and myalgia and arthralgia, but also has good curative effect on tuberculosis of spermary and epididymis, particularly on muscular paralysis.

The invention relates to a preparation method of a vanadium electrolyte, which comprises the following steps: dissolving vanadium pentoxide powder in a concentrated sulfuric acid for activation, adding into deionized water, dissolving and filtering to obtain a pentavalent vanadium ion solution; carrying out electrolysis by using the pentavalent vanadium ion solution as a negative electrode electrolyte solution and a sulfuric acid solution as a positive electrode electrolyte solution to obtain a vanadium ion electrolyte in which the mol ratio of trivalent vanadium to tetravalent vanadium is 1:1, wherein the molar weights of the sulfuric acid in the positive electrode electrolyte solution and the sulfuric acid in the negative electrode electrolyte solution are equal; and adding an additive into the vanadium ion electrolyte, and dissolving to obtain the vanadium electrolyte, wherein the additive comprises a phosphorous compound, and the mass percent of the compound in the vanadium electrolyte is 0.5-1.5%. The preparation method provided by the invention does not influence the service life of the vanadium battery and electrolyte on the premise of enhancing the concentration and stability of the electrolyte.

The invention discloses a welding waste gas treatment device which comprises an air inlet pipe, an air outlet pipe, and a waste gas treatment chamber, a primary filtering chamber and a waste gas absorbing chamber that are sequentially connected between the air inlet pipe and the air outlet pipe. On the premise that secondary pollution is guaranteed not to be caused, workshop operation is not affected, and the service life of equipment is not influenced, the welding waste gas treatment device adopts a multi-stage purifying device for the purification treatment of welding waste gas, thus not only effectively removing the welding smoke waste gas, but also degrading the tar smell of the welding smoke and various toxic and harmful gases. By the method combining physics and chemistry to treat the welding smoke waste gas or industrial waste gas, the device can fully treat the welding smoke waste gas or industrial waste gas, is high in efficiency, and has the advantages of being simple, economical and practical in the actual use and operation.

The invention discloses an environment change prompting method, an environment change prompting system and the headset VR equipment. An environment monitoring equipment in a preset scope surrounding the headset VR equipment is searched, the headset VR equipment is connected with the environment monitoring equipment, the environment data transmitted by the environment monitoring equipment is acquired, the environment data is processed through a first preset algorithm, whether environment change in a preset target mode occurs is determined, if yes, the target prompting content in matching with environment change in the preset target mode is determined through a second preset algorithm, a user is prompted in a preset promoting mode through the headset VR equipment according to the target prompting content, the user wearing the headset VR equipment can be timely prompted according to surrounding environment change, interference of the surrounding environment on the user wearing the headset VR equipment can be reduced, and user experience is good.

The invention provides a recycling method capable of improving the concentrated water recycling rate and a concentrated water recycling system. The method comprises the following steps: collecting concentrated water obtained by reverse osmosis filtration into a vessel, releasing a certain amount of concentrated water from the vessel when a user opens a mixed water faucet, mixing the released concentrated water with raw water, and outputting the mixed water from the mixed water faucet. The release amount of the concentrated water is determined by virtue of the following mode: a microcomputer device recalls corresponding control parameters from a database according to the collected raw water pressure value, raw water TDS (Total Dissolved Solid) value, concentrated water pressure value and concentrated water TDS value so as to control the opening time and/or opening degree of a concentrated water release valve. The method is applied to the system. The method has the advantages of high recycling rate, easiness for realization, and the like; the system has the advantages of causing no influence on the service life of a reverse osmosis membrane, completely consuming the concentrated water generated each day, being high in automatic control degree and relatively simple in system constitution, and the like.

The invention aims to provide a lithium ion power battery charging method capable of controlling battery degradation based on temperatures. According to the method, the relationship between the proportion of the capacity of the battery which is charged to a V<criticality> state by the standard current to the battery rated capacity and the charging initial temperature is recorded; the dividing point of the battery charging temperature is determined; the temperature ranges are divided based on the dividing point; and different charging parameters are adopted for charging within the respective temperature ranges. The method takes full consideration on temperature influences on the battery charging effect; the generation of charging secondary reaction caused by a condition that a single charging mode is adopted within the whole temperature range is avoided; and the service life of the battery is prolonged.

The invention relates to a load mechanical analysis device for the knee joint. The load mechanical analysis comprises at least two acceleration sensors, at least two angular velocity sensors, at leasttwo position sensors, at least two myoelectricity sensors, a flexible wearable part, a wrist wearable part and an external intelligent terminal; the acceleration sensors, the angular velocity sensors, the myoelectricity sensors and the position sensors are respectively arranged in thighs and the calves of the human body, and the flexible wearable part can ensure the normal life of the human bodyis unaffected. By the arrangement, long-term monitoring of performance of the knee joint and prevention monitoring of deterioration of the knee joint can be achieved.

The invention discloses an optimal bidding method and system for wind storage joint participation in an energy-frequency modulation market. The bidding method comprises the steps of obtaining predicted output and energy storage capacity of a wind power plant in each transaction time period, and clearing prices of the energy market and the frequency modulation market; substituting the predicted output and the energy storage capacity of the wind power plant in each transaction period and the clearing prices of the energy market and the frequency modulation market into a pre-constructed electricity market bidding model for calculation to obtain the capacity of wind power and/or energy storage participating in each scene; wherein the scene comprises a wind power participation energy market, anenergy storage participation energy market, a wind storage joint participation frequency modulation market and an energy storage participation frequency modulation market; wherein the electricity market bidding model is constructed by taking the optimal income when wind power and/or energy storage participates in each scene as a target. According to the invention, the frequency modulation performance of wind power is effectively improved, and the energy storage loss cost is reduced to a certain extent.

The present invention provides a novel acyl chloride monomer, which has a -PO (OCH2CH3) 2,-PO (OCH3) 2,-PO (OCH2CH3) Cl,-PO (OCH3) Cl or-PO (Cl) 2 group. The present invention also provides a high-flux reverse osmosis composite membrane which comprises a porous polysulfone support layer and an ultra-thin polyamide active separation layer compounded on the surface of the support layer, the ultra-thin polyamide active separation layer is obtained by interfacial polymerization of an aromatic poly acyl chloride monomer and aromatic polyamine monomer; and the aromatic poly acyl chloride includes the above novel acyl chloride monomer. By introducing of the new acyl chloride monomer, the hydrophily of the surface of the reverse osmosis composite membrane can be increased, and under the premise of no reduction of desalinization rate, the reverse osmosis composite membrane can greatly improve the water flux. The reverse osmosis composite membrane can be widely used in various reverse osmosis systems such as sea water desalination, brackish water desalination, municipal sewage treatment and the like.

The invention belongs to the technical field of vehicle type recognition and weighing, and specifically relates to a vehicle type recognition and cheating diagnosis system based on a video image technology. The solved technical problem of the vehicle type recognition and cheating diagnosis system based on a video image technology is that provided is a vehicle type recognition and cheating diagnosis system which can utilize the video image technology to recognize the axle type and the tire type of a vehicle and can diagnose cheating behaviors, such as pound reducing, pound dragging and pound twisting of the vehicle. The vehicle type recognition and cheating diagnosis system based on a video image technology includes a video information acquisition apparatus, an image processor, a weighing platform, an electronic weighing meter and a lane computer, and is suitable for the technical field of traffic.

The invention discloses a non-contact real-time bed leaving monitoring method. The non-contact real-time bed leaving monitoring method comprises the following steps of S1 acquiring electromagnetic echo data in real time by a millimeter-wave radar, and according to the change of echo, monitoring the movement and movement direction of an object in real time; S2 acquiring real-time images by a depthcamera, and based on a visual analysis algorithm, calculating the position and individual organism characteristics of the monitoring object; and S3 performing data fusion based on the above two stepsto improve the identifying accuracy of the monitoring object, monitoring bed leaving time and giving an alarm for accident risks. Through the adoption of the non-contact real-time bed leaving monitoring method disclosed by the invention, the in-bed state of a user in nighttime can be monitored in real time, and the alarm can be given for abnormal situation that the bed leaving time is too long; and the non-contact real-time bed leaving monitoring method is convenient to use, can perform real-time monitoring and giving the alarm for bed leaving abnormal risks of the user in nighttime, and has high reliability and good popularization prospects.

The invention provides a microporous heat insulation board with a high anti-radiation rate and a low heat conductivity coefficient and a preparation method thereof. The microporous heat insulation board takes white carbon black, an infrared light-screening agent and expanded vermiculite as main heat insulation materials, wherein added inorganic reinforced fibers are taken as a reinforcing material, pressure-sensitive adhesive is taken as a main binding material, high temperature-resistant glass fiber grid cloth as a reinforcing rib for a sandwich layer and a high-temperature radiant infrared energy-saving material is sprayed on the surface of the reinforcing rib; the microporous heat insulation board has excellent characteristics of ultralow thermal capacity, ultralow thermal conductivity, good flexibility, bendability, and easiness in constructing, cutting and processing.

The invention discloses a lithium battery high-temperature fixture formation technique. According to the lithium battery high-temperature fixture formation technique, a battery cell is clamped in a fixture cabinet; a formation fixture is heated; and a formation process is performed on the battery cell. The formation process of the battery cell includes the following steps that: the battery cell isarranged in the fixture cabinet; constant-current charging is performed, the battery cell is pressurized, so that gases generated inside the battery cell can be squeezed out; constant-current charging current, charging voltage and the pressure of the fixture cabinet are increased, so that gases generated inside the battery cell are further squeezed out; the constant-current charging current, charging voltage and the pressure of the fixture cabinet are further increased, so that the battery cell can be shaped; and the battery cell is taken out of the fixture cabinet so as to cool, and the formation process is completed. Compared with conventional high-temperature pressurization formation, the lithium battery high-temperature fixture formation technique of the invention can reduce the viscosity of an electrolyte, improve the conductivity of the electrolyte and improve the ion migration speed of a battery material during a formation process, thereby shortening formation time, and increasing the utilization rate of equipment, and can also improve the discharge rate performance of a battery without affecting the service life of the battery.

The invention discloses a node duty ratio self-adaptive setting method for efficient target monitoring. The method comprises the following steps: according to the distance condition between a node and a base station, a far base station adopting a large duty ratio, and a near base station adopting a small duty ratio. The residual energy at the far base station region is sufficiently utilized, and the duty ratio of the node in the far base station region is improved. The omission ratio and the detection delay in the target monitoring can be reduced when the perception duty ratio of the node is improved; and the transmission delay in the target monitoring can be reduced when the communication duty ration of the node is improved, thereby effectively improving the target monitoring quality, and improving the energy utilization rate of a sensor network.

The invention discloses an instantaneous dynamic optimization control method. The instantaneous dynamic optimization control method comprises the following steps of receiving an accelerator pedal signal, a gearbox gear signal, and an engine state monitoring sensor signal by a controller; judging whether the opening condition for an instantaneous dynamic optimization function is met or not according to the signals; if yes, entering a function activation state, releasing a power output external characteristic limiting value of an engine to a preset safety margin, and releasing an external characteristic torque limit, so that the responsiveness of a transient output requirement of the engine is improved; else, exiting the function activation state, and restoring the limited state of power output of the engine, so that the safety is guaranteed; and when the function is under a state of exiting activation, and after the opening condition for the instantaneous dynamic optimization function is met again, re-activating the instantaneous function to meet use requirements of a user. The instantaneous dynamic optimization control method disclosed by the invention is low in realizing cost, high in reliability and wide in application scope, and can furthest tap the existing potential of the power output of the engine under the premise that the service life and the discharging conditions of the engine are not influenced, so that the instantaneous power output requirements of the user are met.

The invention provides a control circuit that is used for controlling a driving current of a driving element. The control circuit comprises a temperature detector, a switch coupled to the temperature detector, and a resistor string coupled with the switch and the driving element. The temperature detector can generate a control signal according to the temperature and the control signal can control the state of the switch. When the control signal controls the switch to be in a conduction state, the resistor string has a first resistance value; and when the control signal controls the switch to be in a cut-off state, the resistor string has a second resistance value. And the driving element generates a driving current according to the first resistance value or the second resistance value.