475results about How to "No jitter" patented technology

The invention relate to a device and a method for controlling a single-bus modular digital actuator of a robot. The device comprises an actuator control unit, a direct-current motor, a communication module, a speed reduction mechanism, position and temperature sensors and a current protection circuit. The method includes that the actuator control unit computes control parameters according to the running temperatures, driving currents of the motor and the position of the actuator and outputs the control parameters to a motor control circuit; the communication module receives control instructions of an upper computer and feeds information of the current position of the actuator, the current speed of the actuator and the like to the upper computer; a high rotational speed and low torque of the motor are converted into a low rotational speed and high torque by the speed reduction mechanism and an output mechanism, and the low rotational speed and the high torque are outputted by the speed reduction mechanism and the output mechanism; the position sensor, the temperature sensor and the current protection circuit are respectively used for feeding current position signals of the actuator, the running temperatures and the driving currents of the motor to the actuator control unit, so that closed-loop high-precision safety control can be implemented. The device and the method have the advantages of overcurrent, overvoltage and over-temperature protection, capability of preventing overload or over-temperature damage, high response speed, zero dead zones and high control precision.

The invention relates to an automatic control silicon wafer detection system which comprises an operation table provided with a mechanical hand for taking and sending a silicon wafer, a silicon wafer box platform, a silicon wafer surface detection mechanism, an object stage, a lens set and a vacuumizing device, and the automatic control silicon wafer detection system also comprises a computer system used for controlling all devices. The mechanical hand comprises a three-dimensional horizontal, vertical and rotary motion mechanism which finishes the linear movement which forms certain angle with the horizontal movement direction at certain altitude. The silicon wafer box platform comprises a crank link mechanism. A connecting bar supports a pitching swing turnover plate. A silicon wafer box is arranged on the turnover plate. The silicon wafer surface detection mechanism is provided with a vacuum chuck which can process horizontal revolution, pitching swing and autorotation. The silicon wafer is arranged on the chuck. The object stage comprises a lower layer guideway set which drives an upper layer guideway set and the object stage for coarse positioning, the upper layer guideway set drives the object stage for precise positioning, and the lens set is arranged above the object stage. The automatic control silicon wafer detection system takes, sends and observes the silicon wafer fast and conveniently, and each device can be used in a combination way and can also be used separately.

The invention provides a system and a method for collecting and identifying images of capillary pipe liquid level type data of a measuring instrument, which are used for intelligently reading and recording the capillary pipe liquid level type data needing to be manually read in the measuring instrument. The system for collecting and identifying the images of the capillary pipe liquid level type data in the measuring instrument comprises a liquid level shooting device, a bar code scanning module, a data transmission module, a computer, an image processing system, a client user interface module, a database and a monitoring module. The system and the method have the advantages that the liquid level shooting device which can be closed is fixed in the capillary pipe liquid level position of the measuring instrument by a movable clamping mechanism, and an image is shot under the control of the bar code scanning module when a camera and a bracket are not touched, so the liquid level image can be obtained without dithering and interference by other object images, and the intelligent identification difficulty of the liquid level data is reduced.

The invention is suitable for the field of processing a video and provides a method and a monitor for compensating a video image. The method comprises the steps of: obtaining primary data and primary frame rates of image data; obtaining an image refresh rate of a data terminal; generating an insert frame according to the obtained primary data and the obtained frame rates of the image data and the obtained image refresh rate of the data terminal; and carrying out synthesis processing for the generated insert frame and a primary image, and playing a synthesis frame obtained after the synthesis processing. In the embodiment of the invention, the image data of the insert frame are calculated according to an obtained motion vector of the primary data by processing the primary date without directly adopting the primary data of the image, thus the image data of the insert frame can reflect a motion trail of an object and can play a corresponding compensation role for images under various scenes, the synthesis frame comprising the insert frame can be smoothly played, and the played image processing effect can be more ideal.

The invention discloses a construction method of a wear-resistant non-slip ramp, which comprises the following steps: clearing a concrete base, coating a base finishing agent, constructing a base coat, painting a high-strength putty layer, constructing wear-resistant non-slip size, processing a closing cover layer, constructing polished surface coating and maintaining. The ramp prepared by the invention has simple structure, convenient construction, low cost, slip prevention, wear resistance, pressure resistance, impact resistance, oil stain resistance and weather resistance.

The invention discloses a central system based on wireless torque detection. The system comprises a first shell, an intermediate shaft, a crankset and a second shell, wherein the intermediate shaft penetrates through the first shell, the crankset is fixed to the intermediate shaft through a clutch, the second shell is fixedly connected with the first shell, the first shell comprises a torsion barrel, a torque transducer and a first clutch, the torsion barrel is arranged on the intermediate shaft in a sleeved mode, and one end of the torsion barrel is fixedly connected to the first clutch; the torque transducer is fixed to the torsion barrel, and when the intermediate shaft is stressed, the torque is transmitted in the sequence of a left/right side pedal-the intermediate shaft-the torsion barrel-the first clutch-the crankset. The system can achieve zero starting, and the riding effect is outstanding; the system adapts to all road conditions, better assistance effect can be obtained on both low-speed riding and high-speed riding, the system has the advantages of being convenient to install and maintain, stable in work and the like, and the real relax riding purpose can be achieved for a user.

The invention relates to an electric power overhauling supporting device. The electric power overhauling supporting device comprises a fixed platform. Four parallel supporting chains are symmetrically installed on the upper end surface of the fixed platform. An operating platform is installed at the top ends of the four parallel supporting chains. A rotating shaft is installed in the middle of the lower end surface of the fixed platform through a bearing. A rotating motor is connected to the lower end of the rotating shaft through a coupler and installed on a bottom plate through a motor base. Three fixing shafts are uniformly arranged on the upper end surface of the bottom plate in the axis direction of the fixed platform. Three planetary wheels are installed at the upper ends of the three fixing shafts through bearings correspondingly. The inner sides of the three planetary wheels are all engaged with a sun wheel. The sun wheel is installed on the rotating shaft through a key. The outer sides of the three planetary wheels are all engaged with an inner gear ring. The electric power overhauling supporting device is capable of solving the problems that an existing substation rigid support is poor in dynamic adjustment performance, nonadjustable in height, small in application scope and the like and has the advantages of being good in rigid supporting performance, height adjustment performance and stability performance, wide in application scope, high in working efficiency and the like.

The invention provides a dragged target attitude stability control method based on thrust control of a tethered space tug. The method includes following steps: 1, performing a system hypothesis, wherein the tethered space tug is an integral body including a tug, a target, and an elastic-connection tie rope, and the tug and the target are located at two ends of the tied rope; 2, calculating a reference trajectory based on optimization; 3, deducing a robust global terminal sliding mode controller; and 4, adding an anti-saturation module and a thrust prediction and correction module. By the above steps, the robust global terminal sliding mode controller obtained in step 3 and the anti-saturation module and the thrust prediction and correction module obtained in step 4 are combined so that the designed dragged target attitude stability controller based on thrust control of the tethered space tug and the control method thereof are obtained, the controller designed by the method can satisfy the constraint demand, and the loosening of the tied rope is also prevented by the designed thrust prediction and correction module.

In order to solve the defect of low inspection precision of the printing material quality online visual inspection device, the invention provides a printing material quality online visual inspection system. An inspection machine box and an inspection assembly arranged on the inspection machine box are arranged in a small space formed by a printing cylinder, a transmission link, series inking rollers and an ink delivering roller which are arranged in the printer; one end of the inspection machine box, which is close to the printing cylinder, is provided with a slit which faces to the surface of the printing cylinder and is parallel to the rotating shaft of the printing cylinder; a light source assembly is positioned on one end, which is close to the printing cylinder, of the inspection machine box; a linear array cameral assembly is positioned on one end, which is far away the printing cylinder, of the inspection machine box, and shoots the picture of the printing material on the printing cylinder through the slit; and a coder is arranged on the rotating shaft of the printing cylinder. The invention can perform online inspection for the printing material on the printing cylinder, not only has high inspection precision, but also has smart design and small size, can not occupy additional space, and is suitable for the online inspection for special printing material and common printing material.

The invention relates to a resetting device using flexible positioning and rigid clamping in combination and a positioning method thereof. The invention is characterized in that a cartridge comprises two to four radially-arranged positioning gears, the lateral side of each positioning gear is provided with a positioning slant surface, Z-direction stopping planes are arranged between two adjacent positioning gears, a workpiece supporting board is provided with positioning slots fit with the positioning gears and positioning planes fit with the Z-direction stopping planes, a pop-rivet comprises a pop-rivet body which is connected with the workpiece supporting board by bolts, the pop-rivet orifices on the cartridge is provided with positioning cone surfaces, the lateral side of the pop-rivet body is provided with cone-shaped positioning contact planes fit with the positioning cone surfaces. The device can simultaneously realize precise resetting and rigid clamping, and ensure high safety and reliability of mechanical processing and high manufacture preciseness and efficiency of the processed object.

The invention discloses a vibration exciter fixed mounting device which mainly comprises a vibration exciter fixing platform assembly, supporting foot assemblies, a screw rod sliding assembly and a rotary table assembly. The vibration exciter fixing platform assembly is fixed at one end of the screw rod sliding assembly by a nut; the screw rod sliding assembly is arranged on the rotary table assembly; the supporting foot assemblies are connected with the rotary table assembly so as to support the vibration exciter fixing platform assembly. The vibration exciter fixed mounting device is flexible to regulate, is reliable to fix, is simple to mount, has a compact structure, has a lighter weight, is convenient to use in the external field and has better adaptability.

The invention provides a press-fitting device of a battery cover cap. The device comprises an operation table, a conveyor belt is arranged on the operation table, a pressing and fitting table frame which extends along the direction of the conveyor belt is arranged above the conveyor belt, a clamping block is arranged on the inner wall of the press and fitting table frame, the clamping block is provided with at least one clamping hole allowing a spiral screw rod to penetrate through, and the spiral screw rod is connected with a press fitting head; and a supporting column is arranged on one side, of the conveyor belt, behind the press fitting head in the direction of the conveyor belt, a sucking head which is capable of being telescopic is arranged on the supporting column, and a plurality of battery fixing devices are further arranged on the conveyor belt. By adopting of the design, the automation degree is more accurate and efficient on the basis that automation electric appliance elements are reduced as much as possible, so that manufacturing cost and maintenance cost are indirectly reduced.

The invention relates to a multi-manipulator truss tomato picking robot and a picking method thereof. The truss tomato picking robot comprises a movable platform car, mechanical arms, end executors, visual identification devices and a control module, wherein the mechanical arms which are arranged in the travelling direction of the movable platform car at equal intervals are vertically fixedly connected to the plane of the top of a lifting mechanism; each end executor comprises an electric clamping jaw, rockers, a first connecting rod, a main clamping body, a second connecting rod, a cutter blade and an auxiliary clamping body; every two rockers, the corresponding first connecting rod, the corresponding second connecting rod and two gears which are arranged in the electric clamping jaw and mutually meshed form a five-link mechanism, and enveloping of truss tomatoes is achieved. The structure is simple, the operation is convenient, the cost is low, the picking efficiency and the success rate are high, whole-bunch harvesting of the truss tomatoes is achieved without damaging the truss tomatoes, and the damage rate of the truss tomatoes and main stems is reduced.

The invention discloses a method of controlling a slave station servo driver synchronization master station. The method of controlling a synchronization master station comprises the following steps: after a second core detects a SYNC signal, acquiring the current value of a CNT signal, wherein the CNT signal is the real-time count value of PWM triangular carriers generated in a PWM interrupt processing module; comparing the current value of the CNT signal with K/2, wherein K is a PWM triangular carrier count value corresponding to a set allowable time drift value between the starting moment of PWM interrupt and the rising edge of the SYNC signal; when the current value of the CNT signal is greater than or equal to K/2, judging the counting direction, and setting the value of CNT to an interrupt value or an integer value which is a set threshold range from the interrupt value according to the counting direction; and making the PWM interrupt processing module generate PWM interrupt at each starting moment of the PWM triangular carriers. Through the control method of the invention, the problem of abnormal real-time instruction reception caused by non-synchronization is avoided, and a controlled servo motor is jitter-free.

The invention discloses a vehicular power line detection device which comprises an infrared thermal imager, a visible light camera, a cradle head and a supporting frame which is arranged on a vehicle roof, wherein the infrared thermal imager and the visible light camera are arranged on both sides of the cradle head; and the cradle head is arranged on the supporting frame. The vehicular power line detection device is used for replacing manual detection, thereby reducing the labor intensity of power line detection and enhancing detection efficiency and safety of detection personnel. The vehicular power line detection device is convenient to assemble and disassemble and the obtained image information does not generate shake.

The invention relates to a non-contact magnetic transmission absolute angle sensor for a steering system of an automobile, comprising a magnetic cylinder (1), a CPU control unit (7), a magnetic wheel mechanism and Hall sensors, wherein the magnetic wheel mechanism comprises two driven magnetic gears and a driving magnet wheel (5) which is in mesh connection with the driven magnetic gears, and one magnetic steel (1) is installed on the central part of each driven magnetic gear; the driving magnet wheel is fixed on a steering column (8); and one Hall sensor is installed adjacently to each magnetic steel, and the Hall sensors are connected with the CPU control unit by data wires. The invention has the advantages of low requirement on environment, high cost performance, wide range of measurement, insensitivity to error caused by temperature, convenient installation, etc.

The invention discloses a manufacture process improvement of diaphragm springs, comprising the following steps: 1) blanking raw materials: namely, punching the blanking into an excircle shape of a diaphragm spring on a punch; 2) punching a window and a groove at once, namely, punching the window and the groove which forms a separated finger on the punch at the same time; 3) pressing a window fillet and an excircle fillet, namely, pressing the window fillet and the excircle fillet by a mould of the window fillet and the excircle fillet on the punch at once; 4) punching a mesopore; and 5) carrying out heat processing. The invention can improve manufacturing efficiency of diaphragm springs, reduce accumulated error of multiple working procedures, and improve dimensional accuracy of products.

The invention discloses a load-sensitive rotation buffer valve and a crane rotation hydraulic system. A middle path of a rotation reversing valve is sequentially connected with a guide oil port of a three-way pressure compensation valve and an oil inlet of a constant flow valve through an LS feedback oil path, an oil inlet of the three-way pressure compensation valve is communicated with an oil inlet of a valve body, an oil outlet of the three-way pressure compensation valve is communicated with an oil returning opening of the valve body, an oil outlet of the constant flow valve is divided into two paths, one path is directly connected with the oil returning opening of the valve body, the other path is communicated with an oil inlet of a first one-way valve and an oil inlet of a second one-way valve at the same time, a speed adjusting valve is formed by the three-way pressure compensation valve and the rotation reversing valve, flow adjustment of a work oil port A and a work oil port B is achieved, flow is output proportionally, influences of the load are avoided, in the whole operation process, action is stable, fast and slow action is avoided, stable opening is achieved, during stopping, pressure impact is small, and a crane cannot rotate and swing.