37results about How to "Avoid manual misjudgment" patented technology

The invention relates to a semi-supervised electroencephalogram signal-based sleep staging method under multi-domain features, and belongs to the field of human-computer interfaces. The method comprises the steps of processing original electroencephalogram signals in combination with an ant colony algorithm and a semi-supervised Bayesian classification method to obtain an original feature set under the multi-domain features; optimizing the feature set through the ant colony algorithm and extracting an optimal feature subset; and performing stage classification in combination with an active learning policy by taking the optimal feature subset as a classification feature through using an improved semi-supervised Bayesian classification method. According to the method, the sleep staging can be effectively realized, the calculation resource waste caused by low-efficiency feature attributes and a blind search process are avoided, and a demand quantity of labeled samples can be reduced; and compared with multiple sleep staging methods proposed in recent years, a result shows that the method provided by the invention not only can achieve the staging precision effect of a mainstream algorithm but also can greatly reduce the demand quantity of the labeled samples, thereby avoiding manual misjudgment situations.

The invention relates to a terminal microphone test method, device and system, and the method comprises the steps: receiving a recording instruction from a server when a microphone hole correspondingto the microphone is in a blocked state; turning on an audio receiver of the microphone according to the recording instruction; acquiring recording data in a preset time period; determining a quantized value of the recording data according to the recording data; and obtaining a test result of the microphone according to comparison between the quantized value and a reference value. According to theinvention, the test result of the microphone can be obtained by comparing the quantized value with the reference value. Moreover, all the processes are measured and judged through automatic equipment, so that manual misjudgment is avoided, the labor cost is saved, and the test efficiency is improved.

The invention discloses a semi-automatic assembling tool for an automobile inward-opening wrench. The semi-automatic assembling tool comprises a workbench surface and a frame. The workbench surface is provided with a positioning part, a detecting part and a progressive type driving part. The detecting part is provided with knurl detecting sensors, a shaft pin length detecting sensor, a buffer gasket detecting sensor and a buffer ring detecting sensor. Collected electric current signals are output to a PLC through the knurl detecting sensors, the shaft pin length detecting sensor, the buffer gasket detecting sensor and the buffer ring detecting sensor to be processed. An air cylinder fixing bracket is further arranged on the workbench surface, provided with a pressing mechanism and connected with a bottom plate. The frame is arranged on the lower portion of the workbench surface. An electrical plate is arranged in the frame. According to the semi-automatic assembling tool for the automobile inward-opening wrench, the operation intensity of employees is relieved, and the assembling efficiency is greatly improved; artificial misjudgment is avoided through detection conducted by the knurl detecting sensors, the buffer gasket detecting sensor and the buffer ring detecting sensor, so that the good product rate is greatly increased.

The invention discloses an NTC heat-sensitive chip testing method, and belongs to the field of electronic component preparation. The NTC heat-sensitive chip testing method comprises the steps of testing to acquire a benchmark product and a limit product in the same batch of products to be tested and calculating to acquire deviation between the benchmark product and the limit product, connecting the benchmark product and the limit product to a thermistor tester at the normal temperature so as to be tested and comparing the benchmark product and the limit product to acquire a percentage deviation value, setting a resistance range of qualified products in the thermistor tester, and carrying out constant temperature treatment on a product to be tested and the benchmark product in a normal temperature environment and connecting the thermistor tester to test, wherein if the resistance of the product to be tested meets the set range, the product to be tested is a qualified product. The method disclosed by the invention converts a test for an NTC heat-sensitive chip in an oil tank/ water tank environment to a test in a normal state environment, requirements for the test environment are low, the NTC heat-sensitive chip is tested directly without loading or unloading a fixture in the testing process, the test process is simplified, the test efficiency is improved, and the test speed is about 8 times of the test speed of an oil tank testing method.

The invention discloses a trinity type diesel oil heater. The trinity type diesel oil heater comprises a body, a heating containing cavity is formed in the body, the body is provided with an oil inlet pipe which communicates with the heating containing cavity, the body is further provided with a circulating oil channel which communicates with the heating containing cavity and an oil outlet pipe, a heating assembly is arranged in the heating containing cavity and connected with a temperature switch, and the body is further provided with a water level sensor. The trinity type diesel oil heater is reasonable in design, small in size, compact in structure, safe, reliable and good in heating effect.

The invention discloses an automatic abrasive blasting supplementing paint-removing method for aviation parts. The automatic abrasive blasting supplementing paint-removing method comprises the following steps that aviation parts after being subjected to abrasive blasting paint removing are subjected to real-time three-dimensional scanning by a robot with a three-dimensional visual sensor, and RGBDinformation is obtained; an industrial computer calculates color differences in the RGBD information and depth information of point cloud information with the color differences; D-H parameters and linkage coordinate system relations of the robot are put in robot paths by the industrial computer; the robot paths in the point cloud information with the color differences are connected by the industrial computer to form a whole robot run program; the whole robot run program is transmitted to an industrial robot by the industrial computer, and abrasive blasting paint removing of the portions, which are subjected to incomplete paint removing, of the aviation parts is carried out by the industrial robot according to the paths. According to the automatic abrasive blasting supplementing paint-removing method for the aviation parts, modeling and color recognition of workpieces after an abrasive blasting treatment are carried out through a RGBH three-dimensional sensor, the accuracy of judgmentis improved, and manual misjudgment is avoided.

The invention discloses an enterprise ex-situ migration risk prediction method and device and a computer readable storage medium, and the method comprises the steps: obtaining an enterprise ex-situ migration information data set which comprises a plurality of pieces of enterprise data, and each piece of enterprise data comprises the ex-situ migration state of a corresponding enterprise and a plurality of enterprise features; performing vectorization processing on the enterprise external migration information data set to obtain multiple pieces of sample data in one-to-one correspondence with the enterprise data; constructing an enterprise external migration decision tree according to the sample data; and when whether the target enterprise has an ex-migration risk is assessed, inputting enterprise features of the target enterprise into the enterprise ex-migration decision tree to obtain an ex-migration risk prediction result of the target enterprise. Compared with the prior art, the method has the advantages that enterprise migration risk prediction is performed by utilizing machine learning of a decision tree, the workload of manual identification is greatly reduced, meanwhile, manual misjudgment is avoided, and the accuracy of a prediction result can be greatly improved through machine learning of big data.

The invention relates to a television circuit board circuit detection system, comprising an ARC (audio return channel) detection device and an HDMI (high definition multimedia interface); the ARC detection device is connected with a television circuit board through the HDMI and is used for receiving a returned audio signal output by the television circuit board through the HDMI, acquiring parameter values according to the returned audio signal, and judging whether the returned audio signal is valid or not according to the parameter values, preset line normality information is transmitted if the returned audio signal is valid, and preset line abnormality information is transmitted if the returned audio signal is not valid; therefore, returned audio signals can be analyzed according to the parameter values to acquire line detection results, there is no need for playing sound with a sound apparatus, artificial misjudgment is avoided, and the system is simple in structure and high in detection accuracy.

The invention discloses a vehicle maintenance result verification method and device, and the method comprises the steps: receiving a verification request signal which is transmitted by a mobile terminal and comprises a vehicle maintenance project and a verification period of the vehicle maintenance project; obtaining a verification model and a verification condition corresponding to the vehicle maintenance project from a server for the condition that the verification period is greater than a set time threshold value; generating a data acquisition task according to the vehicle maintenance project, generating acquisition configuration information of the vehicle according to the data acquisition task, and sending the acquisition configuration information to T-BOX equipment of the vehicle; receiving collected data returned by T-BOX equipment, inputting the collected data into a verification model to obtain verification parameters, judging whether the verification parameters meet verification conditions or not, so as to judge whether a vehicle is successfully maintained or not. The mode that the vehicle automatically collects the verification data is used for replacing a traditional mode of manual vehicle following, so the vehicle maintenance result verification cost is reduced, manual misjudgment and missed judgment are avoided, and the accuracy and efficiency of vehicle maintenance result verification are improved.

The invention relates to the technical field of electric power overhaul equipment, particularly to a high-voltage circuit breaker comprehensive test device and method based on the ubiquitous power Internet of Things. The device comprises a lead device, a butt joint device, a secondary circuit detector, a contact resistance tester, a plurality of mechanical moving part displacement detection devices, a communication device and a server. A to-be-detected port of a secondary circuit of a high-voltage circuit breaker are connected with a lead column through a wire; the mechanical moving part displacement detection devices are installed on mechanical moving parts of the high-voltage circuit breaker and detects the displacement of the mechanical moving parts. And the secondary circuit detector,a voltage measuring instrument and the mechanical moving part displacement detection devices are connected with the server through the communication device. The high-voltage circuit breaker comprehensive test device and method have the substantial effects that: the efficiency and accuracy of secondary circuit and mechanical characteristic detection are improved; data accumulation is performed by the server, the state of the high-voltage circuit breaker is mastered in real time, and the safety of a regional power grid is improved.

The invention relates to a set-top box audio and video output detection method and system. In the set-top box audio and video output detection method and system, an intelligent and wireless function and an audio and video decoding and playing capability of an intelligent phone are utilized, and the temperature and the humidity of a detected environment in which a set-top box to be detected is located are set by employing the intelligent phone and audio and video output of the set-top box is detected, so that a traditional manual detection manner is replaced, an operator does not need to perform detection in harsh and complicated environments, and the problem of high manual misjudgment or wrong recording possibility is avoided, thereby ensuring the testing accuracy, improving the detection efficiency and greatly reducing the cost.

The invention relates to the technical field of machines, in particular to a handheld blood coagulation detector. The handheld blood coagulation detector comprises an inductor body, wherein an arteryand vein kettle is arranged on the rear side of the inductor body, a fixing sleeve is connected to one side of the artery and vein kettle, and an arc plate is connected to one side of the fixing sleeve; side plates are symmetrically arranged on two sides of the fixing sleeve, a plurality of rotating blocks are arranged on the outer side of the left-side side plate, and a plurality of lugs are arranged on the outer side of the right-side side plate; a horizontal plate is arranged on one side of the top ends of the side plates, and a clamping sleeve is arranged on one side of the horizontal plate; and a plurality of rotating columns are arranged on the end surface of one side of the arc plate, and a plurality of inserting columns are arranged on the end surface of the other side of the arc plate. According to the handheld blood coagulation detector disclosed by the invention, the fixing sleeve and the artery and vein kettle are in sleeved connection to the outer side of the inductor body, so that when imaging can be seen, blood clods can be manually eliminated; and during detection, the arc plate penetrates through the artery and vein kettle and wraps the artery and vein kettle, so that the artery and vein kettle can be independently detected, images can be clearly identified, and the work of nurses is effortless and easy.