130results about How to "Less prone to misjudgment" patented technology

The invention relates to a mobile phone and an incoming call processing method thereof. The mobile phone comprises a proximity sensor electrically connected with a main control chip. The method comprises the following steps of: automatically putting a user through according to a process that the mobile phone approaches to an object or the mobile phone keeps away from and then approaches to the object, or automatically hanging up a call in process according to the process that the mobile phone keeps away from the object. The mobile phone and the incoming call processing method thereof have the advantages of completely according with the answering habit of the user and further selecting automatic answering and/or automatic hanging up according to user setting to meet the requirements of different people, along with high correctness and rare misjudgement.

The invention provides an automatic illegal building monitoring method based on an image and a realization system thereof. Through processing of an image, registration of digital surface models (DSM) of different phases, detection of elevation changes and confirmation of an illegal building, the problem that the building elevation changes are neglected based on spectral features or texture features in the prior art is solved, the automatic illegal building monitoring method based on the image carries out monitoring in a three-dimensional image mode, the monitoring precision is high, the monitoring is not influenced by environmental factors such as shadows and weather and error judgment is not likely to happen.

The invention relates to flow proportional valve characteristic curve testing method. It uses air as test medium on test platform, changes the current of the flow proportional valve coil to change valve port opening and flow, displays current and flow characteristic curve relationship of the flow proportional valve coil while testing. It firstly tests two standard valves which respectively have maximum and minimum flow at the same current and qualified range, displays characteristic curve interval tested by the standard valve on the display; if the characteristic curve of the tested flow proportional valve is in the interval, the product is qualified. The invention replaces traditional liquid by air as test medium which can greatly increase work efficiency, improve labor strength, uneasily occur justice failure, and effectively ensure product quality.

The invention discloses a system for monitoring wear of a pantograph sliding plate. The system comprises a three-dimensional (3D) camera and a laser, wherein the three-dimensional camera and the laser are connected with a PLC (Programmable logic controller), and are controlled to be switched on and off by the PLC; the PLC is also connected with an industrial control computer; and the industrial control computer is connected with the 3D camera through a broadband network, and can be used for receiving and storing photos transmitted by the 3D camera through the broadband network. During the passage of a pantograph, the 3D camera can be used for transmitting shot photos of the top of the pantograph through the broadband network, the industrial controllable computer is used for analyzing 3D photos, and the 3D coordinate values of the sliding plate on the top of the pantograph can be obtained clearly, so that the wear condition of the sliding plate can be obtained clearly and accurately, monitoring of the wear condition of the pantograph sliding plate can be automatically realized, and high efficiency and high accuracy are achieved.

The invention discloses a controller detecting system and a controller detecting method. A control computer is connected with a detected controller by a detection plate and realizes judgment on whether a temperature sensor, a standby direct-current voltage and a current of a compressor are normal, whether the output of all loads of the detected controller is normal and whether the detected controller generates fault codes and the running current and frequency of the compressor are normal so as to judge whether the detected controller is normal. The controller detecting system and the controller detecting method disclosed by the invention have the advantages that due to the adopted scheme, the purpose of directly judging whether the detected controller is normal by the control computer is achieved, all parameters in the detected controller can be directly acquired, the misjudgment is not easy to occur and the detecting efficiency is improved.

The invention discloses a pantograph monitoring system, which comprises a CCD (Charge Coupled Device) camera, a laser group and a flash light group, wherein the CCD camera, the laser group and the flash light group are connected with a PLC (Programmable Logic Controller) and are controlled to be switched on/off by the PLC controller; the PLC controller is also connected with an industrial computer; and the industrial computer is connected with the CCD camera through a broadband network, and can receive, store and process photos sent by the CCD camera through the broadband network. The industrial computer is used for analyzing and processing an image of a part of the side face of the pantograph head of the pantograph, taken by using the CCD, so that the wearing situation of a sliding plate on the top of the pantograph head of the pantograph and the deformation situations of cleats on two sides can be known clearly and vividly. By adopting the pantograph monitoring system, the wearing situation of the sliding plate of the pantograph and the deformation situations of the cleats can be automatically monitored, high efficiency and high accuracy are achieved, error judgment does not occur easily, and the bow net accident is avoided more reliably.

The invention provides a kurtosis-index-based rotating machine fault diagnosis method. A kurtosis index is constructed based on a signal separation idea, so that defects of the existing kurtosis index diagnosis technology can be overcome and the diagnosis precision and reliability are improved. According to a standard vibration signal, real-time collected vibration signals are classified into a non-fault vibration signal and a mixed signal; and a kurtosis index is constructed by using the mixed signal and the non-fault vibration signal, so that the fault diagnosis becomes sensitive and a weak fault feature signal can be detected by the signal change. When the rotating machine equipment works normally or a fault occurs at the equipment, the overlapped part of valuing ranges of the kurtosis index is small and the kurtosis indexes in different states change obviously; the sensitivity to the eccentric shaft type fault is high; and distinguishing of the fault and other faults can be carried out well. And thus the precision and reliability of the rotating machine fault diagnosis are high.

The embodiment of the invention provides a method for determining a candidate touch point. The method comprises the following steps of performing zoning processing on each touch area of a first emitting side after traversing an infrared touch screen, and performing zoning processing on each touch area of a second emitting side; determining a candidate scanning direction of each zone of the first emitting side and a candidate scanning direction of each zone of the second emitting side, further improving distinction degree of each candidate touch point; determining the candidate touch points according to intersection of the touch area in the candidate scanning direction of each zone of the first emitting side and the touch area of the candidate scanning direction of each zone of the second emitting side, thereby effectively improving the distinction degree of the candidate touch points and positioning precision of the touch points. The finally obtained candidate touch points are similar to the practical touch points, so that misjudgment is unlikely to produce in a ghost point removing process.

The present disclosure provides a screen state switching control method and device, and an intelligent electronic device, wherein the method includes: acquiring an inclination angle value of the screen of the intelligent electronic device; judging whether the user is in a wrist-raising state according to the inclination angle value; When the user is in the state of raising the wrist, the screen state of the control screen is switched to the lighted state. The present disclosure ensures the real-time performance of the automatic control screen state switching, and the judgment process is simple and easy to implement, less prone to misjudgment, and improves user experience.

The invention relates to the technical field of refrigerators, in particular to a refrigerator control method and device and a refrigerator. The control method comprises the steps of obtaining user state information of at least one user, wherein the user state information shows whether the use is in the sleeping state or not; according to the user state information of at least one user, adjusting the refrigerator running mode so as to reduce the refrigerator noise. The running mode of the refrigerator is dynamically adjusted, the relatively-quiet use environment is provided for the user, the noise of the refrigerator is reduced to the maximum limit, and therefore a customer can feel more comfortable during refrigerator use.

The invention discloses a tester of a program guidance (PG) motor, which comprises a drive module of the PG motor, a rectification module, a feedback detection module of the PG motor, a display module, a warning module and a single chip computer. The single chip computer is respectively connected with the drive module of the PG motor, the feedback detection module of the PG motor, the display module and the warning module; the drive module of the PG motor and the feedback detection module of the PG motor are both connected with the PG motor; and the power input end of the rectification module is connected with an alternating-current power supply of 220V, and the power output end of the rectification module is respectively connected with the drive module of the PG motor, the feedback detection module of the PG motor, the display module, the warning module and the single chip computer. The tester has low cost, high detection accuracy and high detection efficiency and is not easy to generate visual fatigue.

The invention discloses an alternating current pointing light pen, a multi-light-pen identification device and a method of multi-light-pen identification. The shell of the alternating current pointing light pen is internally provided with an alternating light control circuit which is respectively electrically connected with a power supply management circuit and a light source, and a touch switch is close to the switch of the alternating light control circuit. A transmitting device and a receiving device of the multi-light-pen identification device are arranged at the same side of a writing screen or are respectively arranged at the two sides of the writing screen, wherein the transmitting device comprises a first pointing light pen and a second pointing light pen, and the first pointing light pen is an alternating point light pen; the receiving device comprises a camera and a signal processing circuit which are mutually and electrically connected, the lens of the camera aims at the normal of the screen, the signal processing circuit comprises an amplifying circuit, a high-speed comparing circuit and an identification control circuit which are sequentially connected in series, and the identification control circuit comprises a multi-light-pen identification module. The invention has the advantages that firstly, the alternating pointing light pen can be obtained only by increasing the alternating control circuit on the basis of the traditional direct current pointing light pen, thereby the alternating pointing light pen has simple structure; and secondly, the multi-light-pen identification device can quickly identify a plurality of light pens.

The invention relates to a method for identifying the combustion end of a solid-propellant rocket engine in real time, which is characterized by collecting the pressure of a combustor in the experiment process of the solid-propellant rocket engine, performing low pass filtering to P0 (delta t) by using a second-order Butterworth method, calculating first-order difference and second-order difference to obtain a first-order derivative processing result and a second-order derivative processing result, and determining the combustion end of the engine together. The method for identifying the combustion end of solid-propellant rocket engine in real time is simple and easy to realize and is not easy to lead to misjudgment.

The invention relates to the technical field of food detection and particularly relates to a detection device and a detection method for an inner part of a small-opening and large-inner-cavity product. The detection method comprises the following steps: fixing a product to be detected on a detection tabletop; positioning a photographing device on a fixed detection position by a positioning device to detect an inner image of the product to be detected; then comparing the inner image with an inner image of a standard product; and if the similarity between the inner image of the product to be detected and the inner image of the standard product is high, showing that an inner machining effect of the product to be detected is basically the same as that of the standard product so as to ensure that the product is qualified. According to the detection device, the inner machining effect of the small-opening and large-inner-cavity product can be conveniently detected; the detection efficiency is high and the detection is comprehensive; the wrong judgment cannot happen easily and the detection accuracy is high.

The invention is suitable for the technical field of transportation, and provides a bridge active anti-collision early warning method, device and equipment and a storage medium. The method comprises the steps: acquiring navigation information of a to-be-passed ship is acquired, wherein the navigation information comprises at least one of first navigation speed and yaw information of the to-be-passed ship and detection information representing whether the height of the to-be-passed ship exceeds a limit height or not; determining the risk level of the to-be-passed ship impacting the bridge according to the navigation information; and sending early warning information corresponding to the risk level to the to-be-passed ship, wherein the early warning information comprises a collision avoidance strategy of the to-be-passed ship. According to the bridge active anti-collision early warning method, the risk level of the to-be-passed ship impacting the bridge can be automatically judged, the early warning information corresponding to the risk level is correspondingly sent, automatic early warning of bridge impacting is achieved, misjudgment or missed judgment is not likely to happen, and the risk that the to-be-passed ship impacts the bridge is effectively reduced.

The invention discloses a stitching or cutting position recognition device and a stitching device. The stitching or cutting position recognition device comprises a detection device and a processing device connected with the detection. The detection device is located above a worktable top and used for detecting the edge coordinate position of a cut piece located on the worktable top and obtaining edge position information of the cut piece. The processing device is used for receiving the edge position information of the cut piece, determining the edge position of the cut piece according to the edge position information of the cut piece, calculating the position of a positioning line for stitching or cutting with the edge position of the cut piece as a benchmark and with a preset distance as length and determining the stitching or cutting position according to the position of the positioning line.

The invention relates to an infrared detector blind pixel detection system and method. The method comprises the following steps: S1) carrying out infrared detection to generate infrared detection data; S2) collecting the infrared detection data according to the set time interval, and generating a detection image correspondingly according to the collected infrared detection data; S3) carrying out singularity detection on each pixel in the detection image, and recording the singularity appearing probability of each pixel to a singularity probability table; and S4) taking the pixels, the singularity appearing probability of which is higher than or equal to the set value in the singularity probability table, as blind pixels, and carrying out blind pixel compensation. Compared with the on-site repair and user-calibrated modes, the method is high in efficiency and detection precision, and not easy to cause error judgment.

The invention provides a rotation machine fault diagnosis method based on a margin index. An idea of signal separating is used to construct a margin index, the disadvantages of an existing margin index diagnosis technology are overcome, and the accuracy and reliability of the diagnosis are improved. Through a standard vibration signal, real-time collection vibration signals are divided into a faultless vibration signal and a mixed signal, the mixed signal and the faultless vibration signal are used to construct the margin index, the fault diagnosis is more sensitive, and a weak fault characteristic signal can be detected through the change of the signal. When a rotation machine device runs normally and is failed, the value range overlap of the margin index is few, the margin index change is obvious under different states, the method is sensitive to an eccentric shaft and bending shaft composite fault, and the fault can be distinguish from other faults, and the accuracy and reliability of the rotation machine fault diagnosis are high.

The invention discloses a test strip used in one-step rapid detection of Marek's disease virus (MDV) and subgroup-J avian leukosis virus (ALV-J). The test strip comprises a non-absorbing supporting layer, and an absorption layer adhered to the supporting layer. The absorption layer is formed by sequentially spliced components of an absorption fiber layer, a gold-labeled antibody fiber layer, a cellulose film layer, and a water absorption layer. The cellulose film layer is marked with anti-goat IgG or anti-mouse IgG control blot, and a detection blot comprising anti-MDV and anti-ALV-J antibody. The anti-MDV and anti-ALV-J antibody is an anti-MDV and anti-ALV-J antibody monoclonal or polyclonal antibody. An anti-MDV and anti-ALV-J mixed polyclonal antibody or monoclonal antibody marked by colloidal gold and corresponding to the detection blot is adhered to the gold-labeled antibody fiber layer. The test strip provided by the invention has the advantages of high detection specificity, high sensitivity, simple operation, fast detection, and intuitive result. The test strip is suitable for MDV and ALV-J virus on-site rapid combined detection, and can be used in identification and diagnosis of single infection or mixed infection of the two viruses. The test strip can be widely applied, and is suitable for popularization.

The invention discloses a photovoltaic power generation maximum power point tracking control method and device. The photovoltaic power generation maximum power point tracking control method comprises:conducting intelligent tracking on a photovoltaic power generation maximum power point in a photovoltaic model; continuously interacting with the environment by utilizing feedback signals of an intelligent agent in reinforcement learning, and adjusting and improving intelligent decision behaviors to obtain an optimal tracking strategy; and the intelligent agent deciding an optimal energy storagescheduling strategy, and tracking the photovoltaic power generation maximum power point in a continuously changing environment. The beneficial effects of the method are that the method is universal inalgorithm under the conditions of fixed environment conditions and no priori knowledge, is simple in system structure, is not liable to misjudge, and can accurately track the maximum power point. Under the condition of sudden change of environmental conditions, the maximum power point can be tracked more quickly by the control strategy.

The invention provides an online magnetron fault detecting method comprising the steps of acquiring changes of physical quantities like diode anode current, diode anode voltage, filament current and mains current of a piece of magnetron-containing equipment, and comprehensively judging the specific reasons for a magnetron fault, including magnetron leakage, power supply fault, filament breakage, filament emission capability fault, filament aging or magnet steel aging. The online magnetron fault detecting method of the invention has the following characteristics: the detection accuracy is high, the cost is low, misjudgment is not easily caused, and waste of magnetrons and human resources is not caused. The online magnetron fault detecting method can be widely applied to the field of microwave.