30results about How to "Fast and accurate entry" patented technology

The invention relates to a parametrization design method of an anti-disturbance composite servo controller. The parametrization design method is that damp of a closed loop system pole is dynamically changed to synthesize the quick response performance of a low-damp system and a low-overshoot characteristic of a high-damp system, accordingly quick and stable fixed-point tracking is achieved. The controller consists of a conventional linear feedback control law serving as a first portion and used for ensuring the system stability so as to enable a closed loop system to have high response speed, a non-linear feedback control law serving as a second portion and used for enabling a controlled system to quickly and stably track a set point, and a third portion for merging disturbance and uncertainty factors of the system to form an extension state variable and meanwhile estimating a non-measurement state and unknown disturbance of the system through a reduced order extension state observer and used for state feedback and disturbance compensation. By adopting the method, quick, stable and accurate servo tracking of a target position under various load conditions is achieved.

The invention provides a bar code label generation method and device, and electronic equipment, which relate to the field of bar code labels, alleviate the technical problems of low operation efficiency and high error in the prior art, and can improve work efficiency and reduce errors. The method is based on a B/S mode and applied to a browser, and comprises: receiving a trigger instruction of a user, the trigger instruction comprising label content; converting the label content into a predetermined data format to generate an access request, the access request comprising standard request dataafter being converted into the predetermined data format; sending an access request to a server, so that the server processes the standard request data in the access request to generate feedback data,the feedback data comprising the processing result after being converted into the predetermined data format; receiving the feedback data sent by the server; and generating a bar code label accordingto the feedback data.

The invention relates to a navigation device and method for enabling an agricultural machine to enter a preset path based on Smart Heading. The device comprises two GNSS antennas installed on the top of the agricultural machine and a GNSS module connected with the two GNSS antennas, wherein the GNSS module is connected with a controller of the agricultural machine; the two GNSS antennas are axially symmetrical with the central axis of the agricultural machine as the symmetry axis; the GNSS module is used for working out a heading angle according to signals of the GNSS antennas and working out a slant angle according to the signals of any one GNSS antenna, and outputs the heading angle and the slant angle to the controller; the slant angle is the included angle between the GNSS antennas and the horizontal plane; the controller is used for working out a modification value according to the slant angle, so that the preset running path and a real-time running path of the agricultural machine coincide according to the modification value, and the running direction of the agricultural machine is controlled through the heading angle. When the agricultural machine stops, the current slant and heading states of the agricultural machine can be obtained, and the agricultural machine can rapidly enter the preset path according to the slant and heading states.

The invention discloses a rail sliding type arc extinguisher. The rail sliding type arc extinguisher comprises a magazine (1) and an arc extinguishing cylinder (6), wherein a triggering coil (3) and an arc guide fitting (9) are arranged inside the magazine (1); an arc guide electrode (8) connected with the arc guide fitting (9) and a gas pill triggering position are arranged at the bottom of the magazine (1); a side surface electrode (5) is arranged on the sidewall of the gas pill triggering position, wherein a spiral suspended rail (2) from top to bottom for bearing an arc extinguishing gas pill (4) is arranged on the inner wall of the magazine (1), and a groove matched with the spiral suspended rail (2) is formed in the surface of the arc extinguishing gas pill (4) which is mounted inside the magazine (1). The rail sliding type arc extinguisher is simple in structure, safe and reliable; the arc extinguishing gas pill inside the magazine is capable of sliding down smoothly only under the action of the gravity, and therefore, the step of pill changing after once triggered arc extinguishment is realized.

The invention provides a measuring asset intelligent quick associative type-in method based on image recognition. The method is characterized by including the following steps that firstly, an operator holds a multifunctional handheld terminal by hand and operates application software to select whether a single-phase table or three-phase table needs to be typed in, and the handheld terminal is aligned to an RFID and a barcode area and is about 5 cm away from an intelligent electric meter; secondly, the operator starts type-in; thirdly, after an asset ID is read to be correct, the multifunctional handheld terminal prompts the operator to take photos; fourthly, after photographing, the multifunctional handheld terminal automatically recognizes the photos, and finally type-in of measuring asset information is finished. Compared with existing manual copying, the method has outstanding substantial characteristics and remarkable progress technically. Specifically, automatic, quick and accurate measuring asset information type-in is achieved on site, on-site work efficiency and accuracy of the typed information are greatly improved, and labor intensity is reduced.

The invention discloses a CCD detection device with a material guiding function, comprising: a bracket and a CCD detection part arranged on the bracket, a guiding positioning part, a horizontal transmission part and a guiding moving part; the bracket includes a first fixing plate, a second Two fixed plates and a fixed beam fixed between the first fixed plate and the second fixed plate; the CCD detection part includes a detection bracket and a CCD video detector located on the detection bracket; the present invention is a A CCD detection device with a material guiding function, by being provided with a first guide plate and a second guide plate, the material can quickly and accurately enter the CCD detection station, and be detected by a CCD video detector, and, in the CCD detection device Equipped with a horizontal driver and a vertical driver, the two guide plates can be moved and positioned. By moving the two guide plates, the material can be further accelerated into the inspection station, which improves the inspection efficiency and reduces the time for entering the inspection, which is conducive to industrialization and automation. production.

The invention discloses an internet-of-things-sensing-based method for managing space of a machine room and a cabinet. Spatial positions of a machine room and a cabinet are abstracted into logic entities according to a practical or planning situation and spatial resource objects are established; position space objects and equipment objects are connected based on RFID tags; according to different business scenes of the machine room and the cabinet, a correction mapping relation between an equipment intelligent entity and a spatial intelligent entity is established; and spatial topologies of the machine room and the cabinet can be generated automatically and efficiently and a display channel can be identified rapidly. Therefore, an intelligent realization method is provided for managing space positions of the modern information machine room and cabinet; and the method has the broad application prospects.

The invention discloses an indoor visible light communication positioning system which comprises an LED light source, an information storage device, a carrier frequency control device, carrying devices and displays. Configuration information which is already subjected to signal modulation processing is stored in the information storage device and includes positioning information; the displays are arranged on the carrying devices and are provided with photoelectric converters and signal demodulators in a connected manner, the photoelectric converters are used for receiving light signals transmitted by the LED light source and converting the light signals into electric signals, and the signal demodulators are used for receiving and demodulating the electric signals so as to obtain the configuration information. The indoor visible light communication positioning system has the advantages that the configuration information which is loaded into the LED light source is modulated signals, demodulation is carried out at receiving ends by the aid of the signal demodulators in the displays, accordingly, a tedious information modulation and demodulation device can be omitted, and system structures are simple, convenient and practical on the premise that indoor positioning, guiding and propaganda purposes are achieved by the indoor visible light communication positioning system.

The invention discloses an electronic mechanical brake with a parking function. The electronic mechanical brake comprises a parking braking mechanism and a service brake. The parking braking mechanism is used for achieving the parking function and comprises a torque motor, a spline, a tension spring, an electromagnetic push rod, a parking energy storage spring, a pin, a pin spring, a parking ball screw mechanism, a parking pressing rod, a parking push rod and the like. The service brake is used for completing service braking and comprises a speed reducing and torque increasing mechanism, a motion conversion mechanism, an automatic gap adjusting mechanism, a caliper body, a brake disc, a brake block, a brake friction plate and the like. The automatic gap adjusting mechanism is used for achieving automatic adjustment of the brake gap when the brake friction plate is abraded and comprises a transmission bolt, a two-jaw rotating wheel, a three-jaw rotating wheel, a chain wheel and a chain. The problems that an existing electronic mechanical brake is uniform in braking force distribution, low in braking reliability, slow in braking response and the like are solved, and the functions of automatic gap adjustment and parking braking can be achieved.

The invention provides an optical measurement method for long-distance running. The method comprises the following steps: enabling an athlete to wear a specific mark capable of reflecting light; arranging a modulated light source and an image shooting device at a physical end point of the runway; enabling the image shooting device to continuously shoot images of the physical end point under the condition that the modulated light source alternately emits light with first intensity and light with second intensity, and further acquiring a bright frame image shot by the image shooting device under the light with the first intensity; then acquiring a dark frame image shot by the image shooting device under the light with the second intensity; performing differential processing on the bright frame image and the dark frame image to obtain a differential image; and detecting whether the specific identifier appears in the differential image or not, if so, identifying the identity of the athlete through the specific identifier, and meanwhile, marking a frame for judging that the specific identifier appears. The invention also provides a corresponding optical measurement system. Compared with other photographing identification methods, the method provided by the invention has the beneficial effects of strong ambient light interference resistance, low identification cost, high accuracy, easy operation and the like.

The invention discloses a bone cement conveying device with an accurate positioning function. The device comprises a handheld handle, and the handheld handle is composed of a bone cement conveying pipeline and a shell of the bone cement conveying pipeline. The bone cement conveying device is mainly characterized in that bone cement can be accurately conveyed to a designated position where a patient is subjected to an operation, the utilization rate of the bone cement is increased, and the operation working efficiency of a doctor is improved.

The invention relates to a filter bottle body unit, a detachable filter element assembly and a water purifier. The filter bottle body unit comprises a filter bottle body and a limiting ring, the limiting ring is sleeved outside the filter bottle body, the limiting ring can move along the axial direction of the filter bottle body, one of the filter bottle body and the limiting ring is provided witha guide bulge, and the other one is provided with a guide groove; the other one is provided with a guide groove arranged along the axial direction of the filter bottle body, the guide groove comprises a guide section and a limiting section which are communicated with each other, and the width of the guide section is greater than that of the limiting section. When the limiting ring moves to the locking position, the guide protrusion enters the limiting section from the guide section, the limiting ring can be matched with the filter bottle cap in a limiting mode, and the filter bottle cap is limited to move relative to the limiting ring till the filter bottle cap is loosened from the filter bottle body. In the process of moving the limiting ring, the guide groove is arranged to comprise theguide section and the limiting section, so that the guide section with larger width can play a role in guiding the guide bulge, the guide bulge can quickly and smoothly enter the limiting section, and the assembly convenience is improved.

The invention discloses a nut locking point press-fit machine which comprises an oscillation feeding device, a material sorting stop bar, a material sorting electric eye, an arrangement guide groove, an oscillation line sorting device, a press-fit table, a counting detection device, a grinding disc, a press-fit rotary disc, a limiting pressing disc, an adjusting device, a press-fit head, a pressure sensor, a press-fit control center, a press-fit oil cylinder and a discharging guide groove. The nut locking point press-fit machine can adjust the press-fit strength in time according to the actual condition, it is guaranteed that a lock point is subjected to press-fit evenly, meanwhile, nuts obtained before press-fit is conducted can be pretreated and arranged, stable orderly conduction of operation of the press-fit machine is guaranteed, the work efficiency of the press-fit machine and the press-fit quality of nut locking points are improved, and the nut locking point press-fit machine is beneficial to application and popularization in production.

The invention discloses a switching power supply flexible assembly production line, and relates to the technical field of switching power supply production, in particular to a switching power supply flexible assembly production line which comprises a conveying belt, a machining mechanism is fixedly installed above the conveying belt, a supporting plate is fixedly installed above the conveying belt, and an electromagnetic block is fixedly installed on the inner side of the supporting plate; a power supply wire is connected to the upper portion of the electromagnetic block, and a fixing spring is fixedly installed on the inner side of the supporting plate. According to the flexible assembling production line for the switching power supply, the supporting plates are installed above the conveying belt, the electromagnetic blocks are installed on the inner sides of the supporting plates, the positioning plates are connected to the inner sides of the supporting plates through the fixing springs, the connecting metal sheets are installed on the outer sides of the positioning plates, and the limiting rods are connected to the outer sides of the positioning plates; the switching power supply can be conveniently fixed at a proper position, the processing stability of the switching power supply is improved, and defective products are prevented from being processed.

The invention relates to a graphite heat dissipation film finished product collecting device. The graphite heat dissipation film finished product collecting device comprises a supporting table, wherein a cutting machine is arranged on the supporting table, a transferring assembly is arranged at the tail end of the supporting table and comprises a fixed disc and a rotating disc rotationally arranged on the fixed disc, and a discharging opening is formed in the fixed disc; a plurality of material receiving grooves are formed in the rotating disc in the circumferential direction, a feeding assembly is further arranged on the fixed disc, and a storage assembly is arranged below the discharging opening; and the cutting machine is used for cutting a heat dissipation film into sections, the feeding assembly is used for conveying the cut heat dissipation film into a receiving groove, the rotating disc drives the heat dissipation film to move to the discharging opening, and the heat dissipation film falls into the storage assembly from the discharging opening. According to the graphite heat dissipation film finished product collecting device, the problems that in the graphite heat dissipation film manufacturing process, because the graphite heat dissipation film needs to be manually arranged and stored, the continuity of the production and manufacturing process is poor, and the labor intensity is high are solved.

The invention disclose an equidistant cutting device for waterproof and flame-retardant wire and cable production. The device comprises an operation table, wherein a square groove is formed in the outer wall of the top of the operation table, mounting blocks are fixedly mounted on the inner walls of the two opposite sides of the square groove correspondingly, strip-shaped openings are formed in the outer walls of one sides of the mounting blocks correspondingly, second threaded rods are rotationally connected to the inner walls of the bottoms of the strip-shaped openings by means of bearings correspondingly, limiting rods are fixedly connected to the outer walls of the tops of the second threaded rods correspondingly, first threaded rods are fixedly connected to the outer walls of the tops of the limiting rods correspondingly, second bevel gears are fixed to the ends, extending out of the mounting blocks, of the first threaded rods correspondingly, and the outer walls of one sides of the mounting blocks are fixedly connected with first supports correspondingly. According to the device, a first motor acts, a transmission mechanism drives the first threaded rods and the second threaded rods to rotate, and in a working process, moving directions of an upper cutter and a lower cutter are opposite, so that the upper cutter and the lower cutter get close to each other or get away from each other, and a moving distance of a single cutter in a traditional device is reduced.

The present invention relates to an anti-skid device for auxiliary emergency braking, and specifically to an anti-skid emergency device for vehicles in snow days. The device is fixedly mounted on a fender liner above a wheel, and comprises an actuator, an electronic control system and an anti-skid pad. The anti-skid pad is fixed in the actuator; the electronic control system is electrically connected with the actuator; The anti-skid pad comprises a stainless steel upper surface layer, a carbon steel layer and a rubber lower surface layer; the stainless steel upper surface layer is welded with the carbon steel layer; the carbon steel layer is bonded with the rubber lower surface layer; four corners and the center of each of the stainless steel upper surface layer, the carbon steel layer and the rubber lower surface layer are further fixed by rivets; the stainless steel surface layer is in contact with the tire; the rubber lower surface layer is in contact with the ground and inlaid with nails. The anti-skid emergency device for vehicles in snow days provided by the invention is simple in structure, uses the anti-skid pad to generate resistance, so that the vehicle produces greater resistance during emergency braking, and does not influence the requirements of small resistance of the vehicle while driving, and greatly reduces car accident in snow days.