83 results about "No detection" patented technology

In various example embodiments, a system and method for tracking objects in a three-dimensional space is disclosed. One method includes receiving detections representing targets, increasing a classification of a track in response to a detection matching the track, decreasing a classification of a track in response to no detections matching the track, and processing detections according to a classification level of the track.

The invention, which relates to the technical field of automobile manifold processing, discloses an automobile manifold airtightness detection device comprising a detection bench provided with a positioning module used for positioning an automobile manifold. The automobile manifold comprises a main air pipe, and the main air pipe communicates with a plurality of branch air pipes. A blocking module and a first gas transmission module are arranged on the detection table, the blocking module is used for blocking the orifice of the branch gas pipe, and the first gas transmission module is used for inputting nitric oxide gas into the main gas pipe; wherein a sealing box is further arranged on the detection table, an opening is formed in the direction, facing the detection table, of the sealing box, a lifting module is arranged on the detection table, and the lifting module is used for driving the sealing box to ascend and descend; according to the detection method, the leakage point can be positioned, and in the detection process, detection liquid cannot be attached to the automobile manifold, so that subsequent cleaning and drying treatment is not needed, the detection precision and efficiency are effectively improved, and batch production of the automobile manifold is facilitated.

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 provides a slender part curvature detection device, which comprises a plurality of blanking parts and a plurality of detection sensors, each blanking part is provided with a blanking groove for accommodating a slender part, and the plurality of blanking parts and the plurality of detection sensors are linearly arranged along the length direction of the slender part. The detection sensor is used for detecting whether slender parts exist around the detection sensor. Whether the slender part is bent and exceeds the standard or not is judged by judging whether the plurality of detection sensors linearly arranged in the length direction of the slender part detect the slender part or not: when the plurality of detection sensors detect the slender part, it is judged that the bending degree of the slender part is within the acceptance range, and the slender part is qualified and can flow into the subsequent production process; when one or more of the detection sensors do not detect the slender part, it is judged that the curvature of the slender part exceeds the accepting range, waste discharge treatment can be conducted on the slender part, faults of subsequent machining equipment are avoided, and the quality of the formed cage ribs is improved.

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 belongs to the technical field of engine valves, and particularly relates to an engine valve seepage detection device which comprises supporting rods, mounting tables are fixedly mounted on the upper portions of every two supporting rods, limiting supporting shells are fixedly mounted on the upper portions of the mounting tables, and a valve moving mechanism is arranged between the two limiting supporting shells. And a valve detection mechanism is arranged at the upper part of the mounting table. According to the engine valve seepage detection device, seepage detection is carried out on an engine valve through colored gas by arranging the valve detection mechanism, the valve is automatically placed in the valve detection mechanism by arranging the valve moving mechanism, and a detection camera of the valve detection mechanism is aligned with the lower part of a detection cylinder; and shooting the outlet of the detection cylinder to detect whether colored gas leaks through the outlet of the detection cylinder, if leakage occurs, the air tightness of the surface valve body cannot meet the requirement, and if no gas leakage is detected, the air tightness of the valve body is qualified.

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.

This disclosure provides systems, methods, and apparatus for identifying channel state information reference signal (CSI-RS) resources. In some aspects, a UE receiving a CSI-RS may determine CSI feedback based at least in part on the CSI-RS after detecting a CSI-RS resource including the CSI-RS. Signaling or techniques are also provided for when no CSI-RS is detected (e.g., when a channel access operation of a base station on all available CSI-RS resources fails). Further, a method for rate matching of a shared channel surrounding CSI-RS resources or for CSI interference management (CSI-IM) resources, and a CSI reporting method, such as triggered or re-triggered CSI reporting, for cases when the UE fails to transmit CSI feedback due to failed channel access operations are provided.

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 invention discloses an insulation detection device for a power circuit, and the device comprises a supporting part and two insulating rods, the two ends of the supporting part are respectively provided with a lacing belt A, one side of the supporting part is provided with an arc-shaped notch A, and the arc-shaped notch A of the supporting part is attached to the chest or abdomen of a worker, and is bound and fixed to the chest or abdomen of the worker through the lacing belts A at the two ends. The upper surface of the supporting piece is provided with a containing groove used for containing an insulation detection instrument, the upper ends of the two insulating rods are provided with detection probes, and the lower ends of the two insulating rods are provided with connecting insertion holes which are matched with detection pens of the insulation detection instrument in an inserted mode and achieve series connection of the detection pens and the detection probes. The middle section of the detection probe is provided with an arc-shaped bayonet for attaching a cable; according to the invention, through the cooperation of the supporting member and the insulating rod, no detection personnel do not need to stoop, squat or climb, the insulation detection efficiency is greatly improved, and the insulation detection safety of the detection personnel is further improved.

Techniques are presented for processing LIDAR data from a sensor mounted for example on a gantry over a roadway to identify “active blank” data points (caused by a low or non-reflective object) or “in

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 provides a four-way vehicle obstacle avoidance early warning device for a dense stereoscopic warehouse, which comprises a four-way shuttle vehicle body, a laser radar sensor, an ultrasonic sensor, a visual sensor and an audible and visual alarm are mounted on the four-way shuttle vehicle body, and a plurality of rubber cushion blocks are fixedly connected to the four-way shuttle vehicle body. Placing cavities are formed in the rubber cushion blocks, air bags are arranged in the placing cavities, and a first damping column and a second damping column are arranged between every two adjacent rubber cushion blocks; through cooperative use of a laser radar sensor, an ultrasonic sensor, a visual sensor and an audible and visual alarm, obstacles can be recognized more comprehensively, no detection blind area exists, the obstacle avoidance early warning effect is better, and through cooperative use of a rubber cushion block, an air bag, a first damping column and a second damping column, the obstacle avoidance early warning effect is better. The protection performance of the four-way shuttle vehicle body can be greatly improved, the impact force borne by the four-way shuttle vehicle body is reduced to the maximum extent, and the four-way shuttle vehicle body is prevented from being damaged.

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.

Techniques are presented for processing LIDAR data from a sensor mounted for example on a gantry over a roadway to identify “active blank” data points (caused by a low or non-reflective object) or “inactive blank” (caused by a faulty or blocked sensor). The process taking a time series of datapoints from a lidar sensor and for each time series classifying each data point as blank or non-blank, blank being no detection and non-blank being a detection. The system determining a first rolling average being a measure of how often a data point is classified as blank and a second rolling average being a measure of how often a data point is classified as non-blank. Categorising each blank data point by comparing the two rolling averages dependent on the first rolling average exceeding a threshold relative to the second rolling average, the process classifying “active blank” as data points where the threshold is exceeded and “inactive blank” when it is not exceeded.

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.

The present invention discloses a compressor air pipe sealing detection device and a detection process, which relate to the technical field of air pipe detection. The detection device includes a detection table, on which a detection box is fixedly arranged. A first air supply module is arranged on the detection box and is used for inputting oxygen into the detection box. A positioning module for positioning the air pipe body is also arranged on one side of the detection box. An inlet is arranged on the side of the detection box close to the positioning module. A feeding module is also arranged on the detection table for feeding the positioned air pipe body into the detection box. Among them, a second air supply module is also arranged in the detection box and is used for inputting nitric oxide into the air pipe body. Through the detection method of the present invention, not only can the leakage points be located, but also during the detection process, no detection liquid will adhere to the air pipe body, so there is no need for subsequent cleaning and drying treatments, effectively improving the detection accuracy and efficiency and facilitating the batch production of compressor air pipes.

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.