96results about How to "Realize self-test" patented technology

The invention discloses an airborne collision avoidance system, an ACAS transmit-receive host digital signal loop self-detection system and a method. Without increasing extra hardware equipment, equipment original composition modules of a JSCPU, a coding FPGA, a decoding module, an FZCPU and inherent communication channels thereof are employed to work in a cooperative manner, and software programming is realized. According to the airborne collision avoidance system, the ACAS transmit-receive host digital signal loop self-detection system and the method, digital signal loop self-detection of an ACAS transmit-receive host can be automatically, periodically, and effectively realized, and the self-detection result is reported to a carrier aircraft maintenance system for fault display and record; real-time fault monitoring is performed in the whole work stage of the airborne collision avoidance system, functional module level fault positioning can be accomplished, fault isolation is effectively realized, maintenance and guarantee are facilitated, and the requirements of equipment tests and maintenance are met; host inherent hardware resources are employed in the manner of software programming, test equipment and manual intervention are not needed, the costs of manpower and material resources are effectively lowered, the testability and maintainability of the equipment are improved, and equipment production and maintenance are facilitated.

The invention discloses a smart unmanned walking vehicle comprising a vehicle chassis and a vehicle body; one or more manned seats are arranged in the vehicle body; a drive module, a path navigation module, an obstacle avoidance module, a communication module, and a data processing module are arranged on the chassis of the vehicle, wherein the vehicle body is equipped with an automatic constant temperature system and an intelligent identification module for automatically adjusting the temperature in the vehicle body, and the intelligent identification module comprises an identity card recognition module, a face recognition module, a fingerprint recognition module, a telephone number recognition module, and a voice interaction module. The smart unmanned walking vehicle is different from taxis, shared cars, shared electric vehicles and shared bicycles, and is capable of self-driving and comfortable riding environment. The user can make an appointment in advance, and the small manned vehicle will automatically travel to the reserved address to pick up people, thus solving the trouble that other shared vehicles need to go to the self-lifting vehicle. There is no contact with strange drivers, thereby avoiding the occurrence of potential dangers and increasing the experience of the user.

The invention provides a start-up self-detection method of an energy storage system and an application device and system thereof.The PCS controller controls the soft start of the main power loop in the PCS under the condition that the positive relay and/or the negative relay in each battery cluster in the energy storage system is disconnected so that the DC side of the PCS establishes DC voltage and receives the detection value of the DC voltage. Then the positive and negative relays in the BCP are controlled to be closed. Then the detection value of the output terminal voltage of each batterycluster is received through the CMU in each battery cluster. If the output terminal voltage of each battery cluster and the DC voltage meet the corresponding relationship, it is determined that the positive and negative connection of the output terminal of each battery cluster is normal; if the output terminal voltage of the battery cluster and the DC voltage do not meet the corresponding relationship, it is determined that the positive and negative connection of the output terminal of the corresponding battery cluster is abnormal so that the self-detection of the connection condition betweenthe battery cluster and the BCP of the energy storage system before starting up is realized and the occurrence of bad conditions caused by connection errors is avoided.

The invention is a kind of immune colloidal gold reagent for measuring the sulfamethazole and the manufacturing method. The reagent includes a sample cushion, a colloidal gold combination cushion, aeotic acid cellulose film, a suction cushion and a PVC back lining, one end of the PVC back lining is adhered with sample cushion, colloidal gold combination cushion in order, the middle part is adhered with aeotic acid cellulose film, the other end is adhered with a suction cushion. The character lies in: the colloidal gold combination cushion is enclosed with a kind of sulfamethazole resisting specificity single clone antibody-colloidal gold label, the aeotic acid cellulose film is enclosed by sulfamethazole-BSA couplings and sheep (rabbit) antiplague IgG. The reagent has a strong specificity, high sensitivity, quick and simple, cheap, and convenient.

The invention provides an automatic configuration method for a UWB indoor positioning base station, and the method employs the configuration of a selected positioning base station and a non-selected positioning base station, and only configures absolute GPS coordinates at the selected positioning base station. According to the method and the device, the GPS coordinates of a plurality of unselectedpositioning base stations can be accurately obtained without pre-selecting positions and measuring the GPS coordinates of the plurality of unselected positioning base stations, so that one-key automatic configuration of the positioning base stations is realized.

A display self-monitoring method and a display are provided. The method includes: inputting a first image test signal; acquiring the display parameter of the first image test signal; acquiring the first display parameters of at least two frames of image output by the display based on the first image test signal, wherein each frame of image corresponds to a first display parameter; comparing the display parameter and the first display parameters to determine whether the display image of the display matches the first image test signal, and determining whether the displaying of the display is abnormal based on a matching result. By matching the input and output signals of the display, the method can determine whether the display is abnormal and feeds back abnormal information, thereby realizing self-detection of the display and saving labor cost.

The present invention belongs to the field of the control technology and discloses a position calibration method and system and an automatic monitoring method. The monitoring method comprises the following steps: arranging a position encoder to move with a control object, and feeding back the real position information in real time; arranging a calibration section, wherein a calibration value is located in the calibration section; arranging a state detection section, wherein the calibration value is located in the state detection section which is located in the calibration section; in the condition that an identification switch feeds back the calibration value, when the real position information fed back by the position encoder is located in the calibration section, allowing the controller to execute the position calibration; or else, allowing the controller not to execute the position calibration; in the condition that the identification switch feeds back the calibration value, when the real position information fed back by the position encoder is located out of the calibration section, allowing the position controller to execute position calibration detection operation, and triggering the maintenance alarm; and or else, allowing the position controller not to execute position calibration detection operation. The monitoring method of an automatic calibration function is realized to improve the reliability and the safety of the position control and reduce the investment cost of the maintenance of devices.

The invention provides a colloidal gold typing detection test strip for Helicobacter pylori. The test strip includes a support plate, and a sample pad, a gold standard pad, and nitrocellulose are arranged in sequence from the sample loading end on the surface of the support plate. These four parts are the plain film and the absorbent pad. The gold standard pad contains colloidal gold-labeled anti-human IgG Fc segment monoclonal antibody; Four detection lines and quality control lines for foamy toxin (VacA) antigen, HP urease subunit A protein antigen and HP urease subunit B protein antigen, and the above four detection lines and quality control lines do not overlap with each other. The test strip of the present invention belongs to the non-invasive detection technology, can detect 4 kinds of Helicobacter pylori antibodies of urease A, urease B, Cag/A and Vac/A at the same time, adopts the internationally recognized standard Helicobacter pylori strain and quality Control serum to ensure the reliability of detection. The operating method of the test strip is simple, fast and popular, and has application prospects and potential social value.

The invention discloses an overall self-detecting system. In the system, a cross processing unit is used for performing cross loop-back of a space division/time division mode in a traversal mode under the control of a main control unit; and a branch processing unit is used for performing connectivity test on a loop-back link between the branch processing unit and the cross processing unit and a cross loop-back link in the cross processing unit under the control of the main control unit. The invention also discloses an overall self-detecting method. The method comprises the following steps of:performing cross loop-back of the space division/time division mode in the traversal mode by the cross processing unit under the control of the main control unit, and performing connectivity test on the loop-back link between the branch processing unit and the cross processing unit and the cross loop-back link in the cross processing unit through cooperative test of the cross processing unit and the branch processing unit so as to realize self-detecting. The system and the method can improve the reliability, accuracy and efficiency of the test and reduce the cost of the test.

The invention discloses a safety automatic protection system of a mining inclined roadway track, relating to the technical field of mining roadway safety protection. In the invention, the device comprises a speed detector; car arresters are arranged at the upper end and the lower end of an inclined roadway; a plurality of car arresting grids are uniformly arranged on the inclined roadway track; the car arresting grids comprise grid frames arranged on the roadway, circular-arc gates arranged on the grid frames and power mechanisms for opening/closing the gates; a proximity switch and a safety switch are arranged on each car arresting grid; PLC (Programmable Logic Controller) control boxes are respectively arranged on platforms at the upper end and the lower end of the inclined roadway and are respectively electrically connected with a motor of a winch, the speed detector, the car arresters, the power mechanisms and the safety switches; and weighing devices are arranged at platforms at the upper end and the lower end of the track and are electrically connected with the PLC control boxes. The device provided by the invention has the advantages of high reliability, strong practicability, good safety performance and overall comprehensive protection; and the system has stronger anti-interference ability and can adapt to complex and variable environments of a mine.

The invention relates to a PWM self-testing method. The method comprises: step one, collecting an outputted PWM current signal and converting the PWM current signal into a square wave signal; step two, collecting a duty ratio of the square wave signal to obtain a PWM output signal recovery value PWMWA and comparing the PWMWA with a PWM output signal front period value PWMPV to obtain a collection comparison difference; and step three, comparing the collection comparison difference with a preset threshold value and outputting a PWM self-testing result based on a comparison result. According to the invention, the real-time performance of PWM detection can be improved effectively; the complexity degree and size of the hardware circuit can be reduced; the PWM detection precision can be enhanced; the application range is wide; and the security and reliability are high.

The invention discloses an airborne collision avoidance system, an ACAS transmit-receive host reception loop self-detection system and a method. Without increasing extra hardware equipment, equipment original composition modules of a JSCPU, a coding FPGA, a receiver module, a decoding module, an FZCPU and inherent communication channels thereof are employed to work in a cooperative manner, and software programming is realized. According to the airborne collision avoidance system, the ACAS transmit-receive host reception loop self-detection system and the method, reception loop self-detection of an ACAS transmit-receive host can be automatically, periodically, and effectively realized, and the self-detection result is reported to a carrier aircraft maintenance system for fault display and record; real-time fault monitoring is performed in the whole work stage of the airborne collision avoidance system, functional module level fault positioning can be accomplished, fault isolation is effectively realized, maintenance and guarantee are facilitated, and the requirements of equipment tests and maintenance are met; host inherent hardware resources are employed in the manner of software programming, test equipment and manual intervention are not needed, the costs of manpower and material resources are effectively lowered, the testability and maintainability of the equipment are improved, and equipment production and maintenance are facilitated.

The invention discloses a breathing sound intelligent diagnosis and treatment system and method based on deep learning. The system comprises breathing sound acquisition equipment, a user side upper computer and a cloud server, wherein the breathing sound acquisition equipment is used for acquiring a breathing sound signal of a user in real time, converting the sound into a digital signal and transmitting the digital signal to the upper computer; the user side upper computer is used for transmitting user data to the cloud server through a communication module; the cloud server is used for deploying the breathing sound intelligent diagnosis method based on deep learning, namely the cloud server receives breathing sound data uploaded by the upper computer and sends the breathing sound data into a data assembly line of a diagnosis party, so that possible abnormal symptoms are automatically identified according to the breathing sound data uploaded by the upper computer, and a diagnosis result is fed back to the user side upper computer. The method can be implemented based on the system. The system and the method have the advantages of simple principle, high automation degree, wide application range and the like.

The invention discloses an MEMS microwave power sensor capable of realizing online self-detection, which is characterized in that a capacitive MEMS microwave power sensor and a symmetric thermoelectric MEMS microwave power sensor are connected in series to the two sides of an MIM capacitor to form a dual-channel MEMS microwave power sensor; and the resistance value of a load resistor can be detected by applying a reference voltage to a pressure welding block connected with a standard resistor by using a voltage division method. If the detected resistor is in a normal working state, the load resistors on the two sides of a thermopile can obtain the same voltage and convert the voltage into the same heat, that is, the temperature difference between the two sides of the thermopile is completely generated by the input microwave power. The MIM capacitor is arranged on a coplanar waveguide signal line on the left side, so that direct-current interconnection of a coplanar waveguide signal line below an MEMS cantilever beam and a coplanar waveguide signal line behind the MEMS cantilever beam is isolated, and the function of detecting the load resistance while measuring the microwave poweris achieved. The MEMS microwave power sensor has the characteristics of low loss, high sensitivity and online self-detection of terminal resistance.

The invention discloses a computer network security protection system, comprising a virus detection unit, an identity identification unit, a desktop security module, a central processing unit, a warning unit and a wireless communication module. The virus detection unit is used for detecting suspicious files, network information, blacklists and whitelists in a computer in real time. The identity identification unit is used for detecting fingerprint information and face information of a user in real time. The desktop security module is used for detecting desktop encryption file information in real time. Through setting the identity identification unit, the operation only can be carried out when identity information is completely accurate. Through setting of the virus detection unit, the suspicious files in the computer can be checked, and viruses are eliminated through virus behavior analysis. Through setting of a system maintenance unit, the self-check, self-reparation and fault self-check of the computer can be realized. Through setting of a monitoring center, the relatively comprehensive security protection can be carried out on a computer network.

The invention discloses a 10kV medium-voltage direct-hanging type energy storage power station system, and belongs to the field of energy storage power station design. The system comprises a 10KV energy storage power station preceding stage and a DC/DC bidirectional energy storage converter, wherein the input end of the 10kV energy storage power station preceding stage is directly connected with a10kV power grid, the DC/DC bidirectional energy storage converter is connected with the output end of the energy storage power station preceding stage, and the 10KV energy storage power station preceding stage and the DC/DC bidirectional energy storage converter are subjected to two-stage conversion. According to the invention, the 10kV medium-voltage direct-hanging type energy storage power station system adopts a power electronic technology, the alternating current of a 10kV power grid is directly converted into 750 V direct current through a 10KV energy storage power station preceding stage, and then the 750 V direct current is converted into a voltage needed by an ultra-large battery pack through a DC/DC bidirectional energy storage converter; the 10kV medium-voltage direct-hanging type energy storage power station system has the advantages of low harmonic content, high and low voltage fault isolation, easy maintenance, bidirectional energy transmission and the like; a 750V directcurrent interface is provided, so that new energy and energy storage equipment can be directly accessed, an inverter stage is omitted, the efficiency is improved, and the cost is reduced; and the system is provided with various communication interfaces, so that an energy routing distribution function can be realized, and flexible power transformation and distribution and new energy flexible access are realized.

The present invention discloses an EB virus capsid antigen IgM antibody colloidal gold method detection reagent and a preparation method thereof. The reagent comprises a gold conjugate pad (3), a nitrocellulose reaction membrane (4), a sample pad (2), a rheumatoid factor treatment pad (1), water absorption paper (5) and a PVC backing (8), wherein a length of the rheumatoid factor treatment pad is approximately 1/2 of a length of the sample pad, the sample pad, the gold conjugate pad, the nitrocellulose reaction membrane and the water absorption paper are sequentially and mutually laminated and adhered on the PVC backing, the gold conjugate pad is coated with an anti-human IgM monoclonal antibody-colloidal gold conjugate, and positions of a quality control area (7) and a detection area (6) of the nitrocellulose reaction membrane are respectively coated with goat anti-mouse IgG antibody or rabbit anti-mouse IgG antibody and specific gene recombinant EB virus capsid antigen. According to the present invention, a production process is simple and easy to control, test results can be obtained within 25 minutes, self-detection can be achieved according to operations in a manufacturer's instruction, test results are not affected by the rheumatoid factor, sensitivity is high, specificity is good, and results are accurate and reliable.

The invention discloses a preparation process of a magnetic sensation device. The device comprises a third direction magnetic sensation component, wherein the third direction magnetic sensation component comprises a substrate, a magnetic conductive unit and sensing units; a ditch is formed in the surface of the substrate; the main body part of the magnetic conductive unit is arranged in the ditch and is used for collecting a magnetic field signal in a third direction and outputting the magnetic field signal to the sensing units for measuring; each sensing unit is arranged on the surface of the substrate and is used for receiving a magnetic signal in the third direction output by the magnetic conductive unit and measuring magnetic field intensity and magnetic field direction corresponding to the third direction according to the magnetic signal; each sensing unit comprises a magnetic material layer and a metal electrode layer on the magnetic material layer; each sensing unit comprises two adjacent comb tooth-shaped electrodes; a magnetic conductive unit in one ditch is matched with the plurality of sensing units. Magnetic signals are provided to the comb tooth-shaped electrodes of over two sensing units through one magnetic conductive unit, and an obtained device has higher sensibility.

The invention discloses an on-chip online self-detection system for a digital closed-loop accelerometer and a method. The online self-detection system comprises an MEMS sensitive structure, a charge amplifier, a loop compensator, a Sigma-Delta modulator, a digital self-detection excitation source, a digital operation unit and a digital signal processing module, wherein the MEMS sensitive structureis formed by a top electrode, an intermediate mass block and a bottom electrode; the MEMS sensitive structure, the charge amplifier, the loop compensator and the Sigma-Delta modulator form a closed-loop negative feedback servo system; and the closed-loop negative feedback servo system, the digital self-detection excitation source, the digital operation unit and the digital signal processing module form a digital closed-loop self-detection circuit. According to the system and the method, the MEMS sensitive structure is excited by adopting electrostatic force, so that self-detection of harmonicdistortion of the accelerometer can be realized, the dependence on complex instrument equipment in a traditional detection mode is avoided, and on-line measurement can be realized.

The invention discloses a friction generator with a nano-structure, comprising a top layer power generation sheet, a middle layer power generation sheet and a bottom layer power generation sheet whichare sequentially distributed from top to bottom, wherein the upper surface of the top layer power generation sheet, the lower surface of the bottom layer power generation sheet, the upper surface ofthe middle layer power generation sheet and the lower surface of the middle layer power generation sheet are all provided with metal thin film layers; the lower surface of the top layer power generation sheet and the upper surface of the bottom layer power generation sheet are both provided with organic material thin film layers; the metal thin film layer on the upper surface of the middle layer power generation sheet is electrically connected to the metal thin film layer on the lower surface of the middle layer power generation sheet; conductive rings are respectively disposed on the lower surface of the top layer power generation sheet and the upper surface of the bottom layer power generation sheet, and concave-convex structures from nano-scale to micro-scale are respectively disposed on the organic material thin film layer on the top layer power generation sheet and the organic material thin film layer on the bottom layer power generation sheet. The generator is capable of maximizing the amount of power generated in a limited space, and achieving maximum energy self-detection without additional power consumption at the same time.

The invention discloses a device detection method and device of a mobile terminal. According to the method and the device, self detection carried out on a device by the mobile terminal is realized, and the hidden fault danger resulting from the fact that the device of the mobile terminal is replaced by a non-manufacturer original device is avoided. The device detection method of the mobile terminal comprises following steps of loading a boot program when the mobile terminal is started, wherein the initial device information of the mobile terminal is preset in the boot program; obtaining the current device information of the mobile terminal by the boot program; judging whether the obtained current device information is consistent with the initial device information or not; and judging that the device detection result of the mobile terminal is abnormal if the obtained current device information is inconsistent with the initial device information.

The invention discloses a switch cabinet system used for a fuse type isolation switch, belonging to the power system protection electric appliance technology field. The switch cabinet system comprises a recognition unit, a monitoring unit, a driving unit, a control unit, a wireless communication unit and an information management platform. The recognition unit is connected to the control unit through the wireless communication unit for identifying and marking position information of various members inside the switch cabinet; the monitoring unit is connected to the control unit through the wireless communication unit for monitoring voltage, current, discharge, contact temperature and fault signals inside the switch cabinet; a driving unit is connected to the control unit through the wireless communication unit for switching off the switch of a faulted point inside the switch cabinet and starting up a fan inside a driving unit for cooling; and the control unit is connected to the information management platform through an optical fiber network. The switch cabinet system used for a fuse type isolation switch solves the problem that switch cabinet fault information is not promptly displayed and prompted, can perform comprehensive determination on the operation state of the switch cabinet, and realizes the self-checking of the switch cabinet, self-diagnosis and self-operation.