61 results about "No detection" patented technology

To predict whether there is no sound in a predetermined space based upon whether onomatopoeia indicative of silence that a human perceives in a quiet environment is generated.SOLUTION: A determination device comprises: an input part which inputs predetermined sound data generated by converting a predetermined sound into numeric data through frequency analysis to a determination model outputting whether a specific frequency of 1,800 Hz or more to 2,200 Hz or less indicative of induced otoacoustic emissions is included in addition to the frequency of sound data once the sound data is input; and a control part which displays, on a display unit, the generation of onomatopoeia indicative of silence that a human perceives in a quiet environment when the determination model receiving the predetermined sound data generates an output showing that the specified frequency is detected, but displays, on the display unit, no generation of onomatopoeia when the determination model generates an output showing no detection of the specific frequency.SELECTED DRAWING: Figure 1

A method (2) for operating an automated driving function of a vehicle (3) comprises the steps of: detecting (21) an object (4) in front of the vehicle; and in response to the detection (21) of the object (4), generating (22) control signals to cause the vehicle (3) to decelerate. The control signals are generated such that, in an initial deceleration phase (P1) ending after a predetermined deceleration time or distance, a first deceleration limit is observed, and in a subsequent follow-up deceleration phase (P2) a second deceleration limit, which is less restrictive than the first, is observed.The subsequent delay phase (P2) is only initiated if, throughout the entire initial delay phase (P1), one and the same detected object (4) has caused the vehicle (3) to decelerate, and if no physically implausible jump in the distance of the object (4) to the vehicle (3) or in other determined movement data of the object (4) has been detected during the initial delay phase.

The utility model discloses a high-precision online quality control device for packaging box printed finished products, and belongs to the technical field of packaging box production equipment. The device comprises an on-line quality control instrument, detection mechanisms and a rotating mechanism, the detection mechanisms are arranged on two sides of the top of the on-line quality control instrument, the rotating mechanism comprises a fixed shell, the left side of the bottom of the inner wall of the fixed shell is connected with a motor, the output end of the motor is connected with a first gear, and the right side of the first gear is provided with a second gear which is internally connected with a transmission shaft. The top of the transmission shaft penetrates through the fixing shell and extends out of the fixing shell to be connected with the rotating disc. By arranging the rotating mechanism, the packaging box can be driven to rotate, then the pushing mechanism drives the packaging box to move to the right side to the transmission belt on the right side, the packaging box is detected through the detection mechanism, and no detection dead angle is generated when an operator detects the packaging box.

The present invention discloses a method for intelligently generating debugging steps based on state detection. The method comprises the following steps: before debugging an equipment, performing equipment detection, predicting the possible safety risks and debugging results of the debugging process, and performing secondary rationalization modification on the pre-generated debugging steps to form final debugging steps, thereby reducing the workload of debugging personnel and the possible safety hazards in the debugging process. At the same time, a debugging result is predicted, thereby improving the accuracy of the debugging result and the integrity of the scheme. The detection of the switch state of the power detection interface can ensure that no detection and debugging of each electrical component is missed during the detection and debugging process. The working state detection of the electrical equipment can know the fault condition of the electrical equipment in advance, predict the debugging result, and improve the efficiency of the debugging work. The equipment is clearly divided into levels, and the priorities of equipment detection and equipment debugging are distinguished. The rapid and accurate generation of debugging steps is improved by improving the generation efficiency of the detection scheme.

The invention relates to a method for scanning the presence inside a vehicle using a scanning device comprising at least one internal ultra-wideband transceiver module and one external ultra-wideband transceiver module able to locate a portable "hands-free" access equipment carried by a user, according to the invention, the device is equipped with ultra-high frequency communication means for communicating with the equipment, and the method implements the following steps: a) detecting the locking of the vehicle; b) for a predetermined duration: i) scanning the presence inside the vehicle with the internal module; ii) simultaneously transmitting to the equipment a request for detecting a U-turn of the user; iii) if a U-turn signal is received, stopping the scanning and locating the user with the two modules; iv) if a presence is detected inside the vehicle, stopping the scanning and transmitting a warning; c) when the duration has elapsed, if no U-turn signal has been received and if no presence has been detected, locating the user with the two modules.

The invention discloses automobile pipeline double-station airtightness detection and intelligent marking integrated equipment, and relates to the technical field of automobile pipeline machining, the automobile pipeline double-station airtightness detection and intelligent marking integrated equipment comprises a base, an operation table is mounted at the top end of the base, a first abutting block is arranged on one side of the top end of the operation table, and a first insertion block is mounted at one end of the first abutting block; in the using process, the gas pressure monitoring probe is matched with a pressure drop method adopted by a gas injection device to obtain pressure drop amount parameter data, and the pressure drop amount parameter data is compared with standard pressure drop amount parameter data; according to the method, the mode of judging the air tightness of the automobile pipeline in current air tightness detection and the mode of carrying out image analysis in cooperation with the image capturing device and the air tightness detection system are adopted to obtain the defect feature area, the two modes can be verified mutually, and therefore it is guaranteed that no detection error occurs in the automobile pipeline detection process.

The utility model belongs to the technical field of oil outlet valve matching part detection, and discloses an oil outlet valve matching part conical surface sealing detection tool, which comprises a detection platform, a rack fixedly connected above the detection platform and a sealing detection assembly arranged on the surface of the detection platform, and the top of the rack is fixedly connected with an electric push rod. The extending end of the electric push rod is fixedly connected with a movable table, the movable table is arranged on the rack in a sliding mode, the movable table is fixedly connected with a first motor, and the first motor is fixedly connected with a sealing plate used for being matched with a sealing detection assembly to conduct sealing detection. According to the bearing oil seal assembling equipment provided by the utility model, the first clamping part and the second clamping part are staggered in the height direction, so that the phenomenon that false sealing is qualified due to clamping pressure is effectively prevented in a clamping mode that the first clamping part and the second clamping part are used for clamping different positions of an oil outlet valve matching part in sequence; and no detection dead angle in sealing detection is ensured.

Method for automatic emergency braking of a vehicle (3) comprising the steps: - object detection in the area in front (13) and behind (15) the vehicle (3); and - setting at least one emergency braking parameter as a function of at least one detected object (9) in the area in front (13) of the vehicle (3); characterized in that - standard parameters (27) are set as emergency braking parameters when an object (11) is detected in the area behind (15) the vehicle (3), and - at least one optimum parameter (29) is defined as at least one emergency braking parameter which is optimal compared to the standard parameter (27) in order to prevent a collision with the object in front of the vehicle or to reduce the severity of the collision if no object (11) is detected in the area behind (15) the vehicle (3), - if an object (11) is initially detected in the area behind (15) the vehicle (3) and then at a certain point in time no object is detected, at least one emergency braking parameter is subsequently modified from a standard parameter (27) to an optimal parameter (29), and - if no object (11) is initially detected in the area behind (15) the vehicle (3) and then an object is detected at a point in time, at least one emergency braking parameter is subsequently modified from an optimal parameter (29) to a standard parameter (27).

The invention discloses a sensor vulnerability detection method and device, and relates to the field of sensor hardware security, and the method comprises the steps: generating a detection configuration file according to the type of a detected sensor and an out-of-band vulnerability detection type; transmitting a detection signal to the detected sensor according to the detection configuration file; and acquiring the reading of the detected sensor in real time, and determining the out-of-band vulnerability of the detected sensor according to the reading of the detected sensor when the detection signal is not transmitted and the reading of the detected sensor after the detection signal is transmitted. The detection configuration file is generated according to the type of the detected sensor and the out-of-band vulnerability detection type, the corresponding detection signal is transmitted, the out-of-band vulnerability is judged by comparing the sensor readings before and after detection, accurate matching of the detection strategy and the detection object is achieved, the accuracy and reliability of out-of-band vulnerability detection of the sensor are greatly improved, and the detection efficiency is improved. The detection process is simplified, the detection cost is reduced, and a reliable basis is provided for formulating a sensor safety protection scheme.

Systems and methods for detecting quarter window breakage in a vehicle are provided. A print is disposed on a surface of the quarter window. The proximity sensor is disposed within a predefined distance of the print on the surface of the quarter window inside the vehicle. The proximity sensor is configured to generate a first signal in response to detecting printed matter within the sensor detection range, and to generate a second signal in response to not detecting printed matter within the sensor detection range. The controller is communicatively coupled to the proximity sensor and is configured to issue a quarter window breakage notification for transmission to a vehicle alert system in response to receiving a second signal from the proximity sensor.

A communication method includes: a carrier sensing step (S10) performing carrier sensing at each predetermined period; a transmission step (S11) transmitting first data including the ID information of its own wireless electronic tag to the wireless access point when no signal transmitted from another wireless electronic tag to the wireless access point is detected during the carrier sensing and the transmission is not in a stopped state; an instruction interpretation step (S12) detecting a signal during the carrier sensing and, if the signal is not transmitted from another wireless electronic tag to the wireless access point, interpreting the detected signal as a signal transmitted from the wireless access point and including an instruction in the signal; and a frequency changing step (S13) changing the radio frequency of a signal transmitted by its own wireless electronic tag when the signal is interpreted as including an instruction for indicating a frequency change.

The method comprises the following steps: determining a plurality of positions for a plurality of sensors (S1, S2, S3, S4); determining a correct travel path for the banknote (1) based on the maximum and minimum dimensions of the banknote (1); determining one or more planned sequences for detection of the banknote (1) by the sensors (S1, S2, S3, S4) along the banknote (1) travel path; and determining that the banknote (1) travel path is correct if one or more of the planned banknote (1) detection sequences is detected, or determining that the banknote (1) travel path is incorrect if none of the planned banknote (1) detection sequences are detected. The invention provides a method for determining faults in the movement of a banknote in a banknote handling machine that is as simple as possible.

The application provides a cable automatic stripping device and a core detection method. The cable automatic stripping device comprises a matrix sensor arranged in a stripping space of a cable stripper. The matrix sensor comprises a plurality of optical fibers arranged in a single column or multiple columns. The plurality of optical fibers are configured to detect the exposure state of the core of the target cable. The matrix sensor adopts the arrangement of the plurality of optical fibers. A single optical fiber can both emit a detection signal and collect a reflected signal. The detection range is significantly expanded, and the limitation of the narrow detection range of the separate scheme of the infrared emitter tube and the infrared receiver tube is overcome. The optical fiber has an extremely small diameter, and the plurality of optical fibers can be densely arranged in a small space. If the cable shakes during the stripping process, when a single optical fiber is affected, the other optical fibers can still work normally, so that the cable is always within the detection range. In addition, the matrix sensor supports dustproof self-checking in the state of no detection cable, and solves the deficiency that the self-checking of the separate scheme of the infrared emitter tube and the infrared receiver tube is difficult to implement.

The invention provides a multi-layer cloth detection sewing method which is used for business suit welt pocket layering processing and comprises the steps that a reference stitch set is sewn in a follow-up seam allowance area covered with pocket cloth, the left end of a pocket opening is a first reference stitch set with two short linear back stitch sections, and the right end of the pocket opening is a second reference stitch set with three short linear back stitch sections; after covering the pocket cloth, scanning and sampling in a detection window by adopting a capacitor, an inductor or an eddy current detection unit arranged on a presser foot or a needle plate, determining the actual positions of the two reference stitch groups, calculating translation deviation and rotation deviation, sewing after transforming the overall coordinates of the track in the pocket cloth assembling stage, and forbidding execution and giving an alarm if the coordinates are not detected or exceed a threshold value. According to the method, alignment reset and fool-proof control in the shielding state are achieved, mistaken sewing and mistaken cutting are reduced, and consistency is improved.

To provide a stress sensor with excellent accuracy in detecting pressure and shearing force.SOLUTION: A stress sensor can detect pressure and shearing force. The stress sensor includes: a first base material; a second base material; four detection parts provided between the first base material and the second base material; and an adhesive layer arranged to surround the four detection parts by adhering the first base material and the second base material. Each one of the detection parts is an element where a resistance value is changed according to an applied weight. The two of the detection parts are arranged on a first straight line so as to be point-symmetric with respect to a geometric center of a detection region of the stress sensor. The remaining two detection parts are arranged on a second straight line crossing the first straight line and to be point-symmetric with respect to the geometric center of the detection region. No detection part is provided at the geometric center of the detection region.SELECTED DRAWING: Figure 1

The utility model relates to the field of automobile part detection, in particular to a detection tool suitable for an automobile information general host, which comprises a mounting bottom plate, a positioning block is arranged on the mounting bottom plate, and a mounting groove matched with a mounting surface bump of the information general host is arranged on the positioning block. A pressing device and a detection device are further arranged on the installation bottom plate, the pressing device is arranged beside the non-detection position of the information general host, and the detection device is located beside the detection position of the information general host and detects the information general host. The problems that at the present stage, a go-no go gauge is used for independently detecting each installation hole position, a caliper is used for detecting the thickness of a related support, and due to the fact that the batch number is large, detection is tedious, time and labor are wasted, and working efficiency is low are solved.

The utility model relates to the technical field of welding production and processing, and discloses a welding verification device which comprises a bottom frame, the bottom frame is a [-shaped rod with an upward opening, motors are symmetrically and fixedly connected to the two sides of the outer wall face of the bottom frame, and a detection head is arranged in the opening of the bottom frame; the rotary detection structure is arranged on the wall face of the bottom frame and used for detecting the welding position, the rotary detection structure comprises control shafts, limiting blocks, rotary rings and extension plates, the control shafts are symmetrically and rotationally connected in an opening of the bottom frame, the limiting blocks are symmetrically arranged in the opening of the bottom frame, and the rotary rings are rotationally connected between every two sets of symmetrical limiting blocks; the extension plates are symmetrically and fixedly connected to the wall face of each rotating ring, the detection heads are fixedly connected to the wall faces of the extension plates, the rotating rings can rotate on the wall faces of the limiting blocks, and the rotating detection structure drives the detection heads to conduct annular detection on the welding position of the workpiece through the rotating rotating rings. Therefore, more accurate detection data is obtained.

The present invention relates to an object detection device, and an object of the present invention is to optimize a detection cycle. The object detection device includes a transmission unit that transmits a transmission wave; a reception unit that receives a reception wave that is returned after the transmission wave is reflected by an object until a prescribed measurement time elapses; a detection unit that detects the object based on distance information based on the reception wave received by the reception unit; and a reception control unit that makes the measurement time after the object is detected shorter than the measurement time after the object is not detected. The reception control unit sets the measurement time to a time corresponding to a position that is farther than a distance to the nearest existing object by a prescribed distance.

The invention relates to a continuous region flexible haptic skin with irregular boundaries. The sensing area of the flexible touch skin is continuous, signal detection positions are distributed on the boundary of the sensing area, detection of global touch information in any irregular-shaped sensing area can be achieved, and no detection blind area exists in the sensing area. The flexible touch skin is made of a high-elasticity pressure-sensitive flexible sensing material, an elastic structure serves as a substrate, a rigid structure serves as a support, the sensing skin with a touch sensing effect is formed, and the flexible touch sensing requirements of various rigid mechanical structures are met. According to the invention, global and non-blind area information detection of an irregular boundary continuous area is realized, detection electrodes can be arranged at the boundary of a sensing area in any shape, a tactile sensing function from a small amount of boundary electrode signals to global area information is realized, the defect that the universality of a simple-shape sensor is limited is overcome, and the detection accuracy is improved. And the problem of inter-unit detection blind areas caused by the utilization of isolated sensing units is avoided.

This invention discloses a low-power intelligent current sensor, including a base and a dustproof propulsion device. The dustproof propulsion device, when the opening and closing plate inside the dustproof assembly is closed, reduces the opening in the middle of the turntable and fixed plate, sealing the detection through-hole for dust protection. This prevents external dust from entering the detection through-hole when no detection activity is being performed, thus avoiding impact on the accuracy of subsequent wire detection. Simultaneously, during wire detection, the opening and closing plate supports the wire for centered insertion. Furthermore, the wire's insertion into the propulsion assembly, combined with the opposing transmission effect of the upper and lower conveyor belts, enables automatic wire propulsion detection. The spacing between the upper and lower conveyor belts can be flexibly adjusted to expand its application range and achieve stable, anti-slip propulsion during the process. Thus, the current sensor achieves the advantages of dustproof protection, centered support detection, and automatic propulsion detection.

The embodiment of the invention provides a fall detection method and device. The tumble detection method comprises the following steps: in a first stage, performing tumble detection according to radar point cloud information, and entering a second stage under the condition that a tumble event is not detected; in the second stage, tumble detection is carried out according to the radar point cloud information and the radar angle FFT information, and the third stage is entered under the condition that no tumble event is detected; and in the third stage, fall detection is carried out according to the radar angle FFT information. According to the embodiment of the invention, in different stages where tumble may occur, the radar point cloud information and the radar angle FFT information are used for tumble detection to judge whether a tumble event occurs, so that the tumble detection speed and reliability are improved.

The utility model relates to the technical field of elevator detection, and discloses an intelligent self-detection safety elevator which comprises a top plate, the top of the top plate is provided with a traction assembly used for providing power, the bottom of the traction assembly is provided with a supporting assembly used for bearing the elevator, and the top of the supporting assembly is fixedly connected with an elevator car. A positioning plate is fixedly connected to the right side of the top of the elevator car, a quick release assembly for realizing quick release is arranged in the positioning plate, a second mounting plate is fixedly connected to the top of the quick release assembly, a self-detection device is fixedly connected to the top of the second mounting plate, and a sound collector is mounted at the top of the self-detection device. According to the utility model, a whole-course and all-directional detection mode is adopted, and no detection dead angle is left, so that the running safety of the elevator is greatly improved, potential safety accidents are effectively avoided, and the life safety of passengers and the stable running of equipment are guaranteed.

The utility model discloses a bushing inner hole go-stop detection device comprising a base plate, the base plate is provided with a first limiting plate which is driven by a cylinder to move along the X-axis direction and the Z-axis direction, the upper surface of the base plate is fixedly provided with a product placing seat in the stroke of the first limiting plate, and one side of the product placing seat far away from the first limiting plate is provided with a sensor part; a third air cylinder and a displacement sensor are fixedly mounted on the side face of the lower vertical plate, a spring mounting seat is fixedly mounted on the side face of the lower vertical plate and located above the displacement sensor, a spring is arranged in the spring mounting seat, a go-no go gauge is inserted into the spring, and the part, located above the spring, of the go-no go gauge transversely penetrates through a limiting rod; the lower end of the go-no go gauge is fixedly connected with the moving part of the displacement sensor, and a lower sensor part is installed at the edge of the side face of the lower vertical plate and comprises two sensors for sensing the stroke of the second limiting plate. The device is high in automation degree in the whole process and high in detection speed, and the labor intensity of workers is greatly reduced.

The utility model discloses an ultrasonic flaw detection device for aerospace aluminum alloy product production, and relates to the technical field of aerospace aluminum alloy product detection. The device comprises a chassis, one side of the top of the chassis is fixedly connected with a driving motor, and an output shaft of the driving motor is fixedly connected with a first gear. In the detection process, excellent high efficiency is shown, the driving motor drives the first gear and the second gear to transmit, accurate rotation of the detection table is achieved, products can be rapidly fed into the detection bin and rotated out after detection is completed, the detection process of the next product is seamlessly connected, and the detection efficiency is improved through cooperative work of the photoelectric sensor and the control mechanism. The ultrasonic flaw detection instrument can be started instantly when a product reaches a detection position, and during detection, the adjusting motor can drive the product to rotate, so that multi-surface flaw detection is realized, no detection dead angle is ensured, the whole process is high in automation degree, manual intervention is greatly reduced, and the detection efficiency is improved.

The invention relates to a lift chair loading device (10) comprising at least two adjacent timing gates (20) for regulating the flow of people passing through the timing gates (20), the loading device (10) comprising a high risk condition detection system (100) comprising: a detection device (30) capable of determining the presence of a potential person passing through each timing gate (20) and determining whether the height of the potential person is greater than a predetermined height (G); a data processing unit (40) configured to determine, from data from the detection device (30), the presence of the following high risk condition: a person having a height less than the predetermined height (G) is detected in front of a given gate (20) between adjacent gates (20) and no person having a height greater than the predetermined height (G) is detected in front of one of the adjacent gates (20).

The application relates to a laser aiming and safety warning method of a laser obstacle clearing instrument based on a visual method, and belongs to the technical field of laser obstacle clearing. The method first constructs a YOLOv7 floating object and personnel and animal detection model; then an unmanned aerial vehicle is hung with an edge intelligent computing terminal and a laser obstacle clearing instrument to perform line inspection flight, the edge intelligent computing terminal acquires video stream data collected by a camera of the unmanned aerial vehicle in real time, and real-time detection is performed by using the YOLOv7 floating object and personnel and animal detection model; after floating objects are detected, the edge intelligent computing terminal performs calculation and controls a holder to rotate corresponding horizontal and vertical angles alpha and beta; then detection is performed by using the detection model, if no personnel or animals are detected, the edge intelligent computing terminal sends a signal for starting the laser obstacle clearing instrument once, and the laser obstacle clearing instrument clears the detected floating objects. The application greatly improves the inspection efficiency, saves manpower, and reduces the risks faced by workers in complex environments.

An apparatus that monitors an inventory of goods in an inventory area includes a detectable element on a movable structure, and a detector that can detect the detectable element in a replenishment signaling area. A state machine represents states of the inventory area: a first state when the detectable element is not in the replenishment signaling area; a second state when the detectable element is in the replenishment signaling area; and a third state when an order has been placed to replenish the goods. A first-to-second state transition occurs when the detector detects the detectable element in the replenishment signaling area. A second-to-third state transition occurs when an order for the goods is processed. Based on the second-to-third state transition, a replenishment notification is generated. A third-to-first state transition occurs based on the detector not detecting the detectable element in the replenishment signaling area for a predetermined time period.

The present invention relates to a system and method for authenticating a user using a device during a session. In one example the system for authenticating a user using a device during a session including: an input device configured to capture and transmit input data, a processor operatively coupled to the input device, the processor including an authentication engine executable by the processor, the authentication engine configured to: receive input data from the input device, detect a user's presence in the input data, start a countdown timer if no user presence is detected, continuously detect a user's presence during the countdown timer, end the session if a user's presence is not detected during the countdown timer and the timer reaches its end, and; re-authenticate a user and keep the session active if a user's presence is detected during the countdown timer.

The utility model provides a silicon steel bar detection mechanism, and aims to solve the problems of low efficiency and high omission ratio of manual detection of the surface of a silicon steel bar in the prior art. The device mainly comprises a rack, a main shaft base, a guide base, a lower transmission unit, an upper transmission unit, a stand column, a cross beam, a lower hanging plate and a detection unit. A silicon steel bar is clamped and conveyed by the driving guide wheel and the driven guide wheel, and the servo motor drives the silicon steel bar to move through the main shaft. The detection unit adjusts the position of a visual detection camera through a ball screw linear module, and performs high-precision detection in combination with an exposure lamp. The manual lead screw adjusting mechanism can further finely adjust the angle of the camera to ensure no detection dead angle; the on-line detection device is simple in structure, convenient to adjust and suitable for on-line detection of a silicon steel bar production line, and has high practicability and popularization value.

The invention relates to a method for scanning for presence inside a vehicle, by a scanning device comprising at least one internal module and at least one external ultra-wideband transmission and reception module, capable of locating a portable “hands-free” access device carried by a user. According to the invention, the device is equipped with Ultra High Frequency communication means with said equipment and the method performs: a) Detection of the locking of the vehicle, b) For a predetermined duration: i) Scanning for a presence inside the vehicle with the internal module, ii) Simultaneously, transmission to the equipment of a request to detect a U-turn by the user, iii) If a U-turn signal is received, stopping the scanning and determining the position of the user with the two modules, iv) If there is detection of presence inside the vehicle, then stopping the scanning and transmission of an alert,c) at the end of the duration, if there is no reception of a U-turn signal, nor detection of presence, then the position of the user is determined with the two modules. Figure for the abstract: Fig. 5,