120results about How to "Avoid errors of judgment" patented technology

The invention discloses a semiconductor product detecting machine and a detecting method thereof. The semiconductor product detecting machine comprises a working platform, a computer unit, an identification camera and at least one detection camera, wherein the identification camera identifies an identification code on a semiconductor product strip, and invokes a corresponding mapping image electronic document out, and the at least one detection camera intercepts an image of the semiconductor product, then performs a comparison detection task by comparing the image of the semiconductor product with an image comparison file, and records a detection result in a mapping image electronic document corresponding to the computer unit. The semiconductor product detecting machine not only can achieve automatic optic inspection and prevent man-made operation errors or judgment errors when a defect product (a non-performing product or a sub-quality product) is marked by a human or lasers, but also can prevent the defect product (the non-performing product or the sub-quality product) from mixing with good products, and therefore quality of the semiconductor product is improved.

The invention relates to a regeneration time control method for a DPF (Diesel Particulate Filter) of a diesel engine. The method comprises the following steps: measuring a pressure difference value of both ends of the DPF in real time by utilizing a pressure difference sensor; obtaining an estimated value of a DPF carbon carrying quantity by looking up a table; simultaneously monitoring whether the estimated value of the DPF carbon carrying quantity has the suddenly-reduced phenomenon; when the estimated value of the DPF carbon carrying quantity has the suddenly-reduced phenomenon, calculating a compensation value of the DPF carbon carrying quantity according to a trip distance and trip time of a vehicle after last regeneration; then adding the estimated value of the DPF carbon carrying quantity and the compensation value of the DPF carbon carrying quantity to obtain a corrected value of the DPF carbon carrying quantity; and finally, according to the size of the corrected value of the DPF carbon carrying quantity, judging whether to trigger the DPF to enter a regenerated state. In the regeneration time control method for the DPF of the diesel engine, the compensation value of the DPF carbon carrying quantity is calculated according to the suddenly-reduced condition of the estimated value of the DPF carbon carrying quantity so as to correct the DPF carbon carrying quantity; the accuracy of estimated data of the DPF carbon carrying quantity when distribution of carbon particles inside a carrier is nonuniform is greatly improved, so that regeneration time is avoided being judged by mistake and safety of a carbon cigarette pellet carrier is ensured.

The invention provides a network service quality monitoring method and device and belongs to the technical field of network operation and maintenance. The method comprises steps as follows: historical monitoring data of to-be-monitored indexes in multiple historical moments are acquired, the historical monitoring data at multiple historical moments are clustered, multiple time frames are obtained, and each time frame comprises historical monitoring data in at least one historical moment; abnormal thresholds of the to-be-monitored indexes at multiple time frames are acquired on the basis of the historical monitoring data in at least one historical moment contained in multiple historical moments; the network service quality is monitored on the basis of abnormal thresholds of the to-be-monitored indexes at multiple time frames. The multiple historical moments are clustered, the multiple time frames are clustered, and the abnormal thresholds of the to-be-monitored indexes at the time frames are determined, so that the abnormal thresholds at the time frames are generated according to historical monitored data, following monitoring of the network service quality according to the abnormal thresholds better accords to the actual scene, misjudgment of the network service quality is avoided, and the monitoring accuracy is higher.

The invention relates to an automatic matching system and method of pi-type impedance in a radio frequency energy collection circuit. The system comprises a sampling comparison module, a logic algorithm control module, and an adjustable impedance matching network. The sampling comparison module is used for consecutively sampling voltages output by a voltage doubling rectifying circuit twice under the control of a differential operator method of the logic control module and comparing the voltages consecutively sampled twice. The logic algorithm control module is used for determining, according to a comparison result of the voltages consecutively sampled twice, a capacitor adjustment direction of a pi-type adjustable capacitor array and adjusting a quantity of adjustable capacitors integrated in the adjustable impedance matching network according to capacitance weights by using a capacitance dichotomy according to the capacitor adjustment direction. The adjustable impedance matching network is used for matching impedances of an antenna and the voltage doubling rectifying circuit according to the quantity of capacitors integrated in the pi-type adjustable capacitor array. The circuit is simple, has extremely low power consumption, consumes energy only in an on and off process, and is applicable to a weak energy collection environment.

The invention relates to a control method of a self-mobile robot. The control method comprises the following steps: obtaining environment color information at least one time; according to the environment color information, adjusting the parameter of an acquisition sensor at least one time, wherein the parameter of the acquisition sensor is relevant to the lowest light intensity; and during the walking process of the domestic self-mobile robot, monitoring the current light intensity received by the acquisition sensor; and when the current light intensity is greater than the lowest light intensity, the domestic self-mobile robot keeps walking along the original route, and when the current light intensity is less than the lowest light intensity, the domestic self-mobile robot turns to walk. With adoption of the control method, the self-mobile robot can be prevented from misjudgement in the environment with various colors to effectively prevent the robot from falling and/or collision with a wall and other barriers.

The invention relates to an electric cooker and an automatic reminding control method thereof. The electric cooker comprises a cooker body, a cooker cover and a tank, and further comprises a weighing device, an uncovering state detecting device, a temperature detecting device and an operating panel which are electrically connected to a single chip microcomputer, wherein the single chip microcomputer is additionally electrically connected to a reminding device. The electric cooker, when used, can conduct automatic reminding control firstly and sequentially judge whether food materials are added by a user or not, the covering/uncovering state of the electric cooker, the temperature state of the food materials and a user operating state so as to determine the situation of the food materials cooked in the electric cooker, then the use state of the electric cooker can be determined once again by the user and reminding information can be also transmitted so as to remind the user to start the electric cooker when the use state conforms to requirements. According to the technical scheme, the electric cooker disclosed by the invention is delicate in design thinking and is simple and reliable in design scheme.

A touch control method of single tap, which identifies a touch of an object on a touch device by way of a control module of the touch device and a control signal being generated corresponding to the touch for being used by a main unit to perform subsequent control functions with reference time being set up in the control module, includes detecting a touch created by the object on the touch device and starting time counting once the touch occurs, keeping detecting and recording time duration of the object staying on the touch device and outputting a control signal representing the touch for being used by the main unit in case of only an effective touch having been detected within the reference time. The touch is determined as an effective touch by way of the object staying on the touch control device exceeding the reference time so that the object is not necessary to be apart from the touch control device immediately with less effort.

The invention discloses a method for correcting stripes-crossing output of a three-axis optical-fiber gyroscope by using MEMS. The method comprises the following steps: acquiring original output parameters of the MEMS gyroscope corresponding to three axial directions of the optical-fiber gyroscope by using an MEMS chip; performing error compensation for the original output parameters of the MEMS gyroscope, and then converting into an optical-fiber gyroscope coordinate system; setting an initial correction value of the optical-fiber gyroscope according to a working stripe series of the optical-fiber gyroscope; acquiring a parameter difference of the correction data of the optical-fiber gyroscope and the MEMS gyroscope data according to the acquired optical-fiber gyroscope data, the MEMS gyroscope data and/or the initial correction value; and determining the stripe adjusting series by utilizing the parameter difference, determining a real-time correction value of the optical-fiber gyroscope, and correcting and outputting the optical-fiber gyroscope data by using the optical-fiber gyroscope correction value. The technical scheme of the invention also discloses an apparatus for correcting the stripes-crossing output of the three-axis optical-fiber gyroscope by using MEMS. By adopting the method, the stripes-crossing problem caused by the intrinsic characteristics of the optical-fiber gyroscope in a severe dynamic environment can be solved, and the output reliability of the optical-fiber gyroscope can be ensured.

The invention relates to an L-type impedance matching system of a radio frequency energy acquisition circuit and a method thereof. The system comprise a sampling comparison module, a logic algorithm control module and an adjustable impedance matching network, wherein the sampling comparison module is used for carrying out continuous two-times sampling of voltages outputted by a voltage doubling rectifying circuit under the control of a logic control module and comparing the continuous two-times sampling voltages, the logic algorithm control module is used for gradually adjusting the quantity of L-type adjustable capacitance arrays merged to the adjustable impedance matching network according to the comparison result of the continuous two-times sampling voltages, and the adjustable impedance matching network is used for matching impedance between an antenna and the voltage doubling rectifying circuit according to the quantity of the merged L-type adjustable capacitance arrays. The system is advantaged in that the present impedance matching effect is acquired through determining the output voltages of the voltage doubling rectifying circuit, a complex ADC sampling or signal processing unit can be omitted, the circuit is simple, power consumption is quite low, energy is only consumed during the switching process, and the system is suitable for the weak energy acquisition environment.

The invention relates to a network detection system and method for a mobile terminal. The system is characterized by comprising a sending module, a detection module, a processing module and a display module. The sending module is used for sending an access request to a network server; the detection module is used for detecting the network type of the access request and recording consumed flow and time by downloading of a preset file of the network server; the processing module is used for calculating the average speed of the network according to the obtained flow and time, comparing the average speed with the preset speed, and recording the comparison result; the display module is used for displaying the comparison result and the network state information. When the mobile terminal sends the access request, the network server determines whether a user can truly have access to the internet or not through network connection according to the downloading speed of the preset file relevant to the network type, and displays the result and the actual network state information on the mobile terminal.

The invention discloses a domestic coffee machine. The domestic coffee machine includes a machine body and a base, a water tank is arranged in the machine body, the lower end of the water tank is provided with a communication pipeline, a heat-insulation storage tank is further arranged on the machine body, a heating device and a temperature sensor are arranged in the heat-insulation storage tank, the upper end of the water tank is provided with a cover, electric heating wires are arranged in the water tank, the bottom of the water tank is provided with a water inlet pipe and a water outlet pipe, the portion, close to the water inlet end of the water inlet pipe, of the bottom of the water tank is provided with a water retaining hood, the side face of the water retaining hood is provided with a plurality of vertical diversion pipes, the upper ends of the diversion pipes are connected with spiral pipes, the outer ends of the spiral pipes are provided with vertical reflux pipes, the lower ends of the reflux pipes are provided with water distribution spray nozzles, the electric heating wires are located over the water retaining hood, the outer side of the water tank is provided with capacitor electrode probes, the upper ends of the capacitor electrode probes are close to the opposite top locations of the water tank, and the lower ends of the capacitor electrode probes are close to the opposite bottom locations of the water tank. The domestic coffee machine is simple in structure, convenient to use, good in heating effect and environmentally friendly, the energy is saved, and water-level monitoring is convenient.

The invention relates to a frequency converter input power supply open-phase detection method, belongs to the frequency converter input power supply detection field and is suitable for performing open-phase detection of three-phase input equipment such as a frequency converter and EPS. The method is mainly characterized in that the frequency converter DC bus voltage amplitude Udc is acquired in real time; the frequency of fundamental waves of the power supply is taken as the fundamental wave frequency, and the amplitude Amp_Hn of DC bus voltage harmonic waves is calculated; 2nd-7th harmonic waves of the DC bus voltage harmonic waves are selected as DC bus voltage characteristic harmonic waves; the content Value_H of the DC bus voltage characteristic harmonic waves is calculated and is equal to a square root value of the sum of squares of the amplitude Amp_Hn of the selected DC bus voltage characteristic harmonic waves; the content Value_H of the DC bus voltage characteristic harmonic waves is compared with a preset determination threshold Value_Set; all the above cycle steps are repeated, when the content Value_H of the DC bus voltage characteristic harmonic waves exceeds the preset determination threshold Value_Set, that the frequency converter input power supply is in open-phase is determined.

The embodiment of the invention provides a traffic sign information processing method and device capable of solving the problem that a traffic sign reference direction determined though a track is false because a GPS (Global Position System) has positioning errors in the prior art. The traffic sign information processing method comprises the following steps of: acquiring traffic sign information, wherein the traffic sign information includes the traffic sign reference direction; and processing according to the acquired traffic sign information. The traffic sign reference direction is acquired on the spot in stead of acquiring traffic sign roads and the traffic sign reference direction by analyzing track data and images and recording data by a surveyor, thus the embodiment of the invention avoids misjudgment and enhances the operation efficiency; and in addition, the embodiment of the invention does not need to record the moving track of GPS equipment when acquiring traffic signs during field operation, thereby saving the storage space.

The invention discloses a method for detecting molecular marks of the butter-fat content of Chinese Holstein by utilizing the ligase detection reaction (LDR) technology, which is characterized by comprising the following steps of: (1) performing amplification on a fragment which is used for an LDR reaction and contains A8398G loci, namely by taking deoxyribonucleic acid (DNA) of an A8398G genome of the Chinese Holstein as a template, performing the amplification by using a primer under the condition of a polymerase chain reaction (PCR) in the presence of thermus aquaticus (Taq) DNA polymerase, buffering environment, Mg<2+> and dNTPs and using the product of the amplification for the LDR reaction; (2) performing the LDR reaction, namely designing three probes, and performing the LDR reaction; (3) analyzing, namely detecting an LDR reaction product by using an ABI PRISM-377 DNA sequencing instrument, and performing correlation analysis according to the length of the LDR product and eachgenotype. In the method for detecting the molecular marks of the butter-fat content of the Chinese Holstein by utilizing the LDR technology, on the basis of basic group mispairing, the DNA of the specific fragments is identified by using the specific probes, so the method has the high accuracy; and compared with other single nucleotide polymorphism (SNP) detection technologies, the LDR detection technology has the advantages of high accuracy and generality, large flux, simplicity of operation, low cost and the like.

The invention discloses a classroom attendance method and system based on face recognition. The method comprises the following steps of S1, continuously acquiring video images by a camera and transmitting the video images to a server; S2, carrying out face alignment and coordinate information acquisition on classroom image frames acquired in the S1 by using a face detection algorithm; and S3, aiming at each image frame, carrying out feature point extraction on a detected face, comparing extracted eigenvectors with face features in a database, and judging whether the detected face is the same as faces in the database or not. The method and the system have the beneficial effects that two-dimensional probability distribution of each face in the plane is calculated through a face recognition result of the multi-frame image, a position distribution probability maximum point of the face is obtained, and a final attendance result is determined through threshold screening. Compared with the single-frame image, the method has the advantage that the accuracy of the recognition result is higher, so that the judgment error of the student attendance result due to the recognition error of the single-frame image by the system is avoided.

The invention provides a power control method, access point (AP) equipment and station (STA) equipment. AP equipment sends preset frames corresponding to current frames of a current transmit opportunity (TXOP) to STA equipment, wherein the each preset frame includes an operation object identity, a medium access control (MAC) address, subsequent STA indication and group multiplexing correlated sleep indication; therefore, when an operation object identity of a preset frame corresponding to a current frame does not include the identity of the STA equipment and the subsequent STA indication shows that there is no newly-added STA subsequently or the operation object identity of the preset frame corresponding to the current frame include the identity of the STA equipment and the MAC address of the preset frame corresponding to the current frame does not include that of the STA equipment and the group multiplexing correlated sleep indication is in an allowing state, the STA equipment can enter a sleep state. According to the power control method, the AP equipment and the STA equipment, correctness of power conservation can be improved.

The invention provides a mobile terminal and a method for determining attitude thereof, and relates to the field of communication technologies. The method includes recording attitude information of the mobile terminal before a vibrating motor is started; acquiring angular speed data of the mobile terminal after the vibrating motor is started and computing rotation angles of the mobile terminal according to the angular speed data; determining the attitude of the mobile terminal according to the rotation angles of the mobile terminal and the recorded attitude information. According to the scheme, the mobile terminal and the method have the advantage that the problems of influence of work of existing vibrating motors on gravity sensors, easiness in outputting error information and influence on judgment on the attitude of existing mobile terminals can be solved.

The invention discloses a method and a device for determining data abnormality, a storage medium and an electronic device, which relate to the technical field of data processing. The method for determining the data anomaly comprises the following steps: acquiring the data produced by the user terminal; Determining a model for analyzing the data; Calculating a prediction value of the data using themodel if the model has prediction capability; Determining whether the data is abnormal according to the prediction value. The present disclosure may determine whether data is abnormal in a timely manner without human participation.

The invention relates to a robotic arm control method based on man-machine fusion, and belongs to the technical field of robot control. The control method comprises the following steps that (1) a peripheral real-time scene image of a target object is obtained; (2) the real-time scene image is displayed at an operation end, a human arm joint angle data is obtained, and the human arm joint angle data is mapped to a mapped joint angle data theta H for controlling the robotic arm; (3) the position data of the target object is predicted according to the current position, a preset operation path isplanned according to a polynomial path planning method, and a planned joint angle data theta R for controlling the robotic arm is obtained; and (4) the current execution joint angle data of the robotic arm is calculated according to the formula theta S equal to (1-alpha) theta H + alpha theta R; and the weight alpha is increased along with increase of confidence degree of the target object predicted by the robotic arm. The method can well set the advantages and disadvantages of the motion of the human arm and the robotic arm, and the robotic arm control method is easier to remotely control theaction of the robotic arm.

The invention discloses a method for detecting azithromycin capsule related impurities . A mobile phase for separating the azithromycin related impurities is as follows: a mobile phase A, namely a 0.003 mol/L dipotassium phosphate buffer salt solution; a mobile phase B, namely methanol-acetonitrile (250: 750), and elution detection is carried out by adopting a linear gradient elution method. According to the invention, the azithromycin related impurities can be completely separated, fluctuation of column pressure during detection of the azithromycin capsule related impurities is reduced, the service life of a chromatographic column is prolonged, and impurity judgment errors caused by drifting of peak appearance time are avoided.

The invention discloses a one-to-one iris identification method for scale variation stability characteristics and multi-algorithm voting. Personal information relates to an iris and identification people is stored into an infrared radio frequency scanning identity card to serve as a comparison party in an experiment, and then, the iris of a testing person is collected during normal collection to serve as a testing party in the comparison experiment. By use of the method, on a premise that the effective characteristics of the iris are guaranteed, the interference of redundancy and noise is reduced, a vote is taken through multiple algorithms, a risk of an identification error situation due to a collection environment influence is lowered, the correctness identification rate and the robustness of the iris can be increased, safety and reliability are increased, and the method is simple in operation and easy in mastering.