37results about How to "Judgment integrity" patented technology

The invention provides a low-strain double-speed signal averaging detection method for a building solid pile. The low-strain double-speed signal averaging detection method for the building solid pile is applied to a pile body of the common building solid pile. The method comprises the steps of conducting knocking at any point on the surface of the pile top of the building solid pile; under the conditions that the concrete Poisson ratio of the pile body is already known and the concrete Poisson ratio of the pile body is not known, arranging two signal acquisition devices according to different situations correspondingly; when knocking action at the knocking point is received, obtaining measurement point signals from both signal acquisition devices at the same time, and obtaining a double-speed test curve containing all the measurement point signals; and conducting averaging processing on the double-speed curve, so that a detection result of the pile body of the building solid pile is obtained. By means of the detection method, the selection scope of the knocking point is remarkably enlarged; and by means of the obtained detection result, pile body integrity of the pile body of the building solid pile can be judged more accurately.

The invention provides a low-strain dual-speed signal average detection method for a building pile. The low-strain dual-speed signal average detection method for the building pile is applied to the building pile and comprises the steps that a knocking point is determined on the side face of the building pile, and at least two signal collection devices are installed at the different positions of the same horizontal height on the side face of the building pile to be used as testing points for the building pile; when a knocking action of the knocking point is received, a testing point signal from each signal collection device is obtained, and testing curves of the testing points are obtained; and the testing curves of all the testing points are averaged to obtain a detection result for the building pile. By means of the detection result obtained through the detection method, the pile body structural quality and pile bottom integrity of the building pile can be accurately judged.

The invention discloses a hardware encoding and decoding method built in an MCU for realizing industrial bus communication. The method comprises an encoding and decoding module built in an MCU. The encoding and decoding module is composed of a decoding module and a code transmitting module, wherein the decoding module is used for measuring pulse widths among a plurality of events, analyzing the pulse widths into digital signals and storing the digital signals in a decoded data register of the MCU; the code transmitting module is used for modulating the digital signals into corresponding pulsewidth data, storing the pulse width data in the code transmitting data register of the MCU, and transmitting the pulse width data in the form of high-low level. A self-designed decoding mode and a self-designed code transmitting mode are adopted to realize encoding and decoding of industrial bus pulse signals. In this way, the method fundamentally solves the technical problems existing in conventional modes, can ensure the timing of bus communication, can reduce development difficulties and costs, is high in encoding and decoding accuracy, and ensures the stability, consistency and signal transmission distance of the system as a whole. Therefore, the method is suitable for popularization and application.

According to the log-based embedded equipment control flow proving method provided by the invention, key protection is carried out by using a lightweight trust root, proving is carried out by using amode of controlling a flow log, so that the security of a key on an embedded platform can be improved, and the integrity of the embedded equipment can be verified more effectively. The invention further provides a log-based embedded equipment control flow proving system which comprises embedded equipment and a server and is used for realizing the method provided by the invention.

The invention provides a low-strain double-speed signal averaging detection method for a building solid pile. The low-strain double-speed signal averaging detection method for the building solid pile is applied to a pile body of the common building solid pile. The method comprises the steps of conducting knocking at any point on the surface of the pile top of the building solid pile; under the conditions that the concrete Poisson ratio of the pile body is already known and the concrete Poisson ratio of the pile body is not known, arranging two signal acquisition devices according to different situations correspondingly; when knocking action at the knocking point is received, obtaining measurement point signals from both signal acquisition devices at the same time, and obtaining a double-speed test curve containing all the measurement point signals; and conducting averaging processing on the double-speed curve, so that a detection result of the pile body of the building solid pile is obtained. By means of the detection method, the selection scope of the knocking point is remarkably enlarged; and by means of the obtained detection result, pile body integrity of the pile body of the building solid pile can be judged more accurately.

The invention relates to network safety browsing technology of an intelligent television, especially relating to a safe browsing method of network information content of the intelligent television. In order to solve related unsafe factors brought by network virus information attack in a network browsing process of the intelligent television, the invention provides a security certification method of data obtained by an intelligent television network, through a safe digital television broadcast channel, an SMT (security message table) of network information data is transmitted to an intelligent television terminal, and based on the SMT, the intelligent television terminal determines whether network information content transmitted by the Internet is safe or not. According to the invention, an invention purpose is realized through a series of steps. The invention mainly is applied to the intelligent television terminal network safety browsing technology field.

According to the log-based embedded equipment control flow proving method provided by the invention, key protection is carried out by using a lightweight trust root, proving is carried out by using amode of controlling a flow log, so that the security of a key on an embedded platform can be improved, and the integrity of the embedded equipment can be verified more effectively. The invention further provides a log-based embedded equipment control flow proving system which comprises embedded equipment and a server and is used for realizing the method provided by the invention.

The invention relates to an integrity detection instrument for a microfiltration membrane filter. The detection instrument includes a data processing unit, a pneumatic component, a reference tank and a bottom plate. The data processing unit, the pneumatic component and the reference tank are fixed on the bottom plate. The data processing unit is connected to the pneumatic component, which is in connection with the reference tank. Compared with the prior art, the invention has the advantages of high detection precision, high intelligent degree and the like.

The invention discloses a high-voltage interlock circuit of an electric vehicle and an open circuit detection method. The high-voltage interlock circuit includes an output voltage detection circuit, an output voltage conditioning circuit and an electric control unit. One end of the output voltage detection circuit is electrically connected to the low-voltage power supply, and the other end is grounded. The output voltage detection circuit includes a plurality of detection units connected in series, and each detection unit includes a bridge and a resistor connected in series. The bridge is integrated with the corresponding high-voltage connector. together, and disconnect before the high voltage connector. One end of the output voltage conditioning circuit is electrically connected to the connection point of the adjacent detection unit, and the other end is electrically connected to the electric control unit. The open circuit detection method is that the voltage detection circuit outputs a voltage detection signal to the electronic control unit through the output voltage conditioning circuit; the electronic control unit analyzes the voltage detection signal, diagnoses the integrity of the high-voltage interlock circuit, and judges the faulty high-voltage connector. Provide reference for maintenance and troubleshooting of automotive high-voltage circuits.

Disclosed is an on-off input loop self-checking circuit based on a pulse injection method. A spike self-checking pulse is generated through control of an IO pin of a CPU and is injected to an on-off input loop, and, after the spike self-checking pulse goes through an optical coupler, the spike self-checking pulse is acquired by an ADC analog-to-digital conversion pin of the CPU and is judged; the IO pin of the CPU is connected with an input end of the optical coupler, an output end of the optical coupler is connected with an input end of an optical MOS tube, a source electrode of the optical MOS tube is connected with a common anode of a power supply, a drain electrode of the optical MOS tube is connected with one end of a safety capacitor, and the other end of the safety capacitor is accessed into the on-off input loop. After a spike self-checking pulse signal generated due to drive of the IO pin of the CPU is injected to the on-off input loop, the ADC analog-to-digital conversion pin of the CPU acquires a waveform of a secondary side of the optical coupler, processing, analyses and comparison are performed, and then a self-checking judgment for integrity of the on-off input loop is achieved; and a self-checking mode can be applied no matter an on-off signal is in any state, and the self-checking loop has the extremely high isolation capability and reliability.

The invention relates to the field of video storage, and discloses a storing and repairing method and a storing and repairing device for repairable video monitoring data. By using the storing and repairing method, positions of metadata, index files and video recording files of a file system on a magnetic disk are fixed according to characteristics of video storage; when the file system is damaged, the metadata of the file system are reestablished by a preset rule, and the original pre-distributed file is recovered; and because the positions of the file data in the magnetic disk are not changed, the data which are written in the magnetic disk cannot be lost. The storing and repairing method can support different file systems, and does not depend on the metadata of the original file system; and monitoring software is not required to be written in the magnetic disk, extra backup space is not required, and the video data can be repaired. A partition formatting mode of the magnetic disk is fixed according to specifications of different file systems; and data layouts formed by formatting at different times are the same as long as the data are in the same partition of the magnetic disk.

A method for verifying an item, comprising: the consignor attaches a mixed label to the item, and shoots a related video; obtains the image information of the mixed label from the video of the consignor; obtains the image of the mixed label taken by the consignee; Compare the mixed label image extracted from the party’s video with the mixed label image taken by the receiver to determine whether the two mixed labels are consistent. And judge whether the writing label is consistent. According to the item verification method of the embodiment of the present invention, based on the innovative digital image processing method, the consistency of the delivered item and the received item is verified by verifying the consistency of the label, which can effectively monitor the circulation of the item and can be used in a large To a certain extent, it can prevent items from being exchanged in the circulation link, so it has high commercial value for the e-commerce field.

The invention discloses a hardware encoding and decoding method built in an MCU for realizing industrial bus communication. The method comprises an encoding and decoding module built in an MCU. The encoding and decoding module is composed of a decoding module and a code transmitting module, wherein the decoding module is used for measuring pulse widths among a plurality of events, analyzing the pulse widths into digital signals and storing the digital signals in a decoded data register of the MCU; the code transmitting module is used for modulating the digital signals into corresponding pulsewidth data, storing the pulse width data in the code transmitting data register of the MCU, and transmitting the pulse width data in the form of high-low level. A self-designed decoding mode and a self-designed code transmitting mode are adopted to realize encoding and decoding of industrial bus pulse signals. In this way, the method fundamentally solves the technical problems existing in conventional modes, can ensure the timing of bus communication, can reduce development difficulties and costs, is high in encoding and decoding accuracy, and ensures the stability, consistency and signal transmission distance of the system as a whole. Therefore, the method is suitable for popularization and application.

The invention discloses an electric vehicle high-voltage interlocking loop and an open circuit positioning method. The high-voltage interlocking loop comprises a voltage detecting circuit, a referencevoltage generating circuit, a voltage comparator circuit and an electric control unit. The open circuit positioning method includes the steps that the voltage detecting circuit outputs a detecting voltage signal to a voltage comparator in the voltage comparator circuit; the reference voltage generating circuit outputs a reference voltage signal to the voltage comparator in the voltage comparatorcircuit; the voltage comparator compares the detecting voltage signal with the reference voltage signal to generate a two-level digital switch signal to be input to the electronic control unit. The electronic control unit analyzes the two-level digital switch signal generated by the voltage comparator to judge the integrity of the high-voltage interlocking loop, and then judges the integrity of anelectric vehicle high-voltage loop, and a reference is provided for maintenance and troubleshooting of the electric vehicle high-voltage loop.