35results about How to "Sensitive feedback" patented technology

An articulated surgical instrument for enhancing the performance of minimally invasive surgical procedures. The instrument has a high degree of dexterity, low friction, low inertia and good force reflection. A unique cable and pulley drive system operates to reduce friction and enhance force reflection. A unique wrist mechanism operates to enhance surgical dexterity compared to standard laparoscopic instruments. The system is optimized to reduce the number of actuators required and thus produce a fully functional articulated surgical instrument of minimum size.

The invention relates to a modularized series joint of a collaborative robot. The modularized series joint comprises a joint shell as well as a hollow motor, a harmonic reducer, an input shaft, an output shaft, a torque sensor, a brake, an absolute value encoder and a driver which are arranged in the joint shell, wherein the harmonic reducer, the hollow motor, the brake, the absolute value encoder and the driver are sequentially connected to the input shaft in series. A joint structure disclosed by the invention is more compact in structure, low in cost, higher in safety and reliability, ingenious, modularized and integrated; a brake structure is simple, convenient to install, reliable in brake performance, and stable; a force feedback system is sensitive in performance, stable, and high in reliability; and in addition, central hole wiring is used for wiring and arrangement, so that wire arrangement is more reasonable, and the wiring is more convenient.

A golf club having superior balance and sensory feedback which includes a shaft connected to a clubhead comprising two basic elements, an integrated hosel and insert which defines a striking surface and a shell including a distal toe portion, and a heel portion uniquely integrated with the combined hosel and insert. In preferred embodiments the clubhead has a cylindrical striking surface, polar mass concentrations for optimum dynamic performance and a medial shell portion coupling the toe and heel portions to the insert. A cavity behind the striking surface of the insert enhances the sound of impact and a visible top surface of the insert integral with the hosel with sighting indicia enhances golfer alignment and stroking of the ball to provide resultant confidence and consistency.

The invention discloses an intelligent type laser guidance average voltage gain (AVG) forklift and relates to the technical field of forklift manufacture. A main body comprises a forklift box body and a front frame mechanism arranged at the front end of the forklift box body. A storage battery, an industrial control computer, a programmable logic controller, a steering motor controller and a travelling motor controller are arranged in the middle of the forklift box body. The lower end of the forklift box body is provided with a driving assembly. One side of the driving assembly is provided with an executing mechanism. The upper end of the forklift box body is provided with a display module. The top of the forklift box body is provided with a laser scanning measuring instrument supported through a vertical pillar. The intelligent type laser guidance AVG forklift has the beneficial effects that the intelligent type laser guidance AVG forklift is novel in design and simple in structure; through industrially controlled signal analysis transmission, intelligent services of a traditional manual forklift is made to be achieved; the precision is high, feedback is sensitive, and using is convenient and fast; the application range is wide, operation is simple, and the practicability is good; application and using are convenient.

The invention provides a gate channel pat door device and a control method, and belongs to the field of security and protection, entrance guard and stadium entering and exiting control of rail transit, ticket selling and checking services, buildings and specific places. The gate channel pat door device comprises a pat door. The pat door comprises a leaf blade, a leaf blade supporting column, a spring and a base. The leaf blade is fixed to the leaf blade supporting column through a fixing piece. A connecting mechanism is arranged below the leaf blade supporting column. The lower end of the connecting mechanism is fixed to the base. One end of the spring is fixed to the upper end face of the connecting mechanism, and the other end of the spring is fixed to the column face of the leaf blade supporting column.

The invention discloses a high-accuracy numerical-control roundness correction machine and relates to the technical field of veneer reeling machines. The roundness correction machine comprises an upper roller (1), a lower roller (2), lower roller transmission mechanisms (3), a lower roller drive mechanism (4), a programmable logic controller (PLC) (5), lead screw transmission mechanisms (6) and a displacement sensor (7). Two sides of the upper roller (1) are connected with the lead screw transmission mechanisms (6) respectively, and the displacement sensor (7) is arranged on one side of the lower roller (2) and is connected with the PLC (5). According to the roundness correction machine, traditional screw nut transmission pairs or hydraulic cylinders are replaced, and space between center lines of the upper roller and the lower roller can be accurately adjusted.

The invention discloses a flat vibration motor. The flat vibration motor comprises an upper casing, a lower casing and an eccentric rotor which is arranged in a cavity which is formed by the upper casing and the lower casing. A coil is arranged on the eccentric rotor. Pairs of upper magnet and lower magnet are symmetrically arranged on the inner wall of the upper casing and the inner wall of the lower casing. The magnetic lines of each pair of upper magnet and lower magnet in the cavity form a closed magnetic circuit. The eccentric rotor is located in a magnetic field formed by the upper magnets and the lower magnets. The flat vibration motor provided by the invention has the advantages that the magnets are arranged in the upper casing and the lower casing, thus magnetic leakage in the motor is reduced; the magnetic lines between the upper magnets and the lower magnets are intense; a large magnetic flux is acquired; the coil can acquire a great driving force; the current required by the motor is small, and the energy consumption is low; the service life of the motor is long; the starting of the eccentric rotor is fast; signal feeding back of the motor is sensitive; by arranging a joint structure, the assembly of the motor is easy; and improvement can be directly carried out on the existing motor, which is convenient for improvement and the application of a customer.

The invention discloses a biosensor. The biosensor includes a sensor body, wherein the sensor body includes a plurality of physical surfaces, each physical surface is provided with at least one functional electrode, and the physical surface further includes a non-sensing area; and the non-sensing area of at least one of the physical surface is further provided with the other functional electrode,each of the functional electrodes is provided with a corresponding signal conducting area, and each of the functional electrodes is connected with the corresponding signal conducting area. According to the biosensor, since the multiple functional electrodes are distributed on the multiple physical surfaces of the sensor, the length of the sensor can be shortened effectively through the design on the premise of the same sensing area of the sensor; and when the biosensor is compared with a sensor with electrodes which are arranged on one side of the sensor, the length can be shortened by 50% through the design under ideal conditions, and meanwhile the test precision of the sensor can be improved further, so that the problem of contradiction between the test precision and wearing experience of an existing sensor is solved.

The invention relates to a skull drilling impedance feedback system and a control method, the skull drilling impedance feedback system comprises a conductive drilling tail end, an excitation signal generator, an analog signal processing front end, a microprocessor and a power supply management unit, the excitation signal generator generates two paths of same weak safe excitation sinusoidal signals with the minimum amplitude of 1mV and the frequency of 10-100kHz; one path is output to the conductive drilling tail end and then is conducted to the craniocerebral tissue to excite a response signal, and the other path serves as a reference signal to be input into the analog signal processing front end; by generating a sine excitation signal which is weak and safe to the craniocerebral tissue, the electrical impedance information of the drilling tissue can be continuously measured in real time through the specially designed conductive drilling tail end in the dynamic process of controlling the drilling rotating speed to be closed-loop and constant, the electrical impedance condition of the tissue at the drilling tail end of the craniocerebral bone can be detected in real time, and the electrical impedance information of the drilling tail end of the craniocerebral bone can be accurately measured. According to the method, the ending moment of skull drilling is judged, the electrical impedance abrupt change signal can be monitored at the moment that skull drilling is completed, and the equipment is controlled to stop, so that the safe skull drilling process can be guided.

The invention provides a method for promoting the expression of a CYP24 gene of momordica grosvenori. The method comprises the step of adding an induction factor of jasmonic acid methyl ester in the processes of culture and plantation of momordica grosvenori. By virtue of the method, the expression of the CYP24 gene of the momordica grosvenori is effectively promoted, so that the accumulation of the content of mogroside V is promoted.

The invention discloses a fault detection method of an intelligent electric meter based on data detection. The fault detection method of the intelligent electric meter based on data detection comprises the following steps: acquiring a voltage data change curve of each intelligent electric meter in a set area within set time; obtaining a current data change curve of each intelligent electric meter in a set area within a set time; calculating a voltage average value curve of the obtained voltage data change curve and a current average value curve of the obtained current data change curve; and comparing the obtained voltage average value curve and the obtained current average value curve with set values, judging whether the obtained voltage average value curve and the obtained current average value curve exceed the set values, and if the obtained voltage average value curve and the obtained current average value curve exceed the set values, judging that the intelligent electric meters in the set area are abnormal. According to the invention, the voltage value and the current value of each intelligent electric meter in a set area are monitored, so that problems existing in a set area can be obtained in time so as to handle the problems in time and feedback sensitively; and voltage and current are detected at the same time, so that fault detection is more guaranteed.

The invention provides a method for promoting momordica grosvenori CYP4 gene expression. The method comprises the steps of carrying out tissue culture on calluses of high-quality momordica grosvenori in an induction medium; and obtaining tissue culture seedlings of momordica grosvenori and carrying out special treatment on pollen after plants bloom to obtain a pollen liquid, wherein 2,4-epibrassinolide is added to the process. The method is capable of promoting momordica grosvenori CYP4 gene expression, thereby playing a role in promoting content accumulation of mogroside V.

The invention discloses a blow-off valve with pressure feedback control. The blow-off valve comprises an upper valve body, a pressure regulating assembly, a lower valve body and a valve element, wherein an upper valve cavity is formed in the upper valve body, an outboard seawater connecting port communicating with the upper valve cavity is formed in the side portion of the upper valve body, the upper portion of the valve element is installed in the upper valve cavity, the upper portion of the valve element is connected with the pressure regulating assembly, the pressure regulating assembly pushes the valve element to move in the axial direction, a lower valve cavity is formed in the lower valve body, the lower valve cavity is composed of an upper cavity body and a lower cavity body which are in communication with each other, a compressed air inlet and a compressed air outlet are formed in two sides of the upper cavity respectively, the compressed air outlet communicates with the lowercavity, the lower end of the valve element penetrates through the upper cavity and is connected with an end cover, and a flow guide groove capable of communicating with the compressed air inlet is formed in the peripheral face of the valve element to form a throttling opening together with an annular flowing channel at the tail end of the compressed air inlet. The blow-off valve with pressure feedback control has the beneficial effects that the circulation face of the blow-off valve can be adjusted in real time according to the external seawater pressure and the compressed air pressure in thelower valve cavity, and the originally-supplied compressed air is decompressed to the proper pressure.

The invention belongs to the technical field of statistical learning, is used for dynamically adjusting and automatically optimizing topic parameters in expressive force evaluation, and particularly relates to a method for dynamically optimizing expressive force evaluation topics, which applies a statistical learning method to improve the accuracy of evaluation judgment and dynamically adjust thedifficulty of the evaluation judgment while increasing the number of samples. The method comprises the following specific steps: 1) selecting a certain question qj={d, b, w, l}, wherein the d represents the difficulty of the question, the b represents the lexicon of the question, the w represents the weight parameter of the lexicon of the question, and the l represents the discrimination of the question; 2) optimizing a parameter d; and 3) optimizing the parameter w. According to the invention, a statistical learning method is used, useful information is extracted from continuously increased existing sample data to optimize topic parameters, so that a question model is more robust, and sensitive feedback is provided for different expressive force evaluation inputs; and by using the unsupervised learning model, extra labeling work is not needed in the learning process, the workload of experts is reduced, and the labor cost is reduced.

The embodiment of the invention provides a water treatment adjusting device, which belongs to the technical field of water treatment filtering equipment. The adjusting device comprises an outer shelland an adjusting assembly, wherein the outer shell comprises a shell I and a shell II, and an accommodating cavity is formed in the shell I and is provided with an upward opening; a water outlet pipeis arranged at the bottom of the shell I; the shell I and the shell II are fixedly connected with each other; a water inlet pipe is arranged the upper part of the shell II, and the lower part of the water inlet pipe is located in the accommodating cavity; the adjusting assembly is located in the accommodating cavity and just below the lower portion of the water inlet pipe, and comprises a buoyancyplate, a plug and a plurality of guide posts which are symmetrically arranged relative to the adjusting assembly, and the adjusting assembly sleeves the guide posts. The water treatment adjusting device achieves the technical effect of reducing the water pressure of inlet water and realizing the automatic adjustment of water inflow.

The invention provides a method of promoting gene expression of a CYP43 gene of siraitia grosvenorii. The method comprises inoculating tissue culture seedlings of siraitia grosvenorii into an induction cultivation medium for induction cultivation; performing trickle irrigation on the roots of the transplanted tissue culture seedlings of the siraitia grosvenorii by a first induction liquid; and spraying a second induction liquid after flowering and pollination of the plants, wherein a certain concentration of methyl jasmonate is added in every step. The method provided by the invention has an effect that the gene expression of the CYP43 gene of the siraitia grosvenorii is promoted, so that accumulation of mogroside V content is promoted.

The invention discloses a combined stimulation induced high-sensitivity transcranial Doppler blood flow detection system. The system comprises an evoked potential detection module, a TCD detection module, a signal processing module, a data analysis module and a display module, wherein the evoked potential detection module comprises an auditory evoked potential instrument, a quantum state photoelectric emission unit, a photoelectron detection component, an optical signal processing end and a capture detection unit; the TCD detection module comprises a probe, an ultrasonic transducer, an ultrasonic transceiver and an ultrasonic sensor; the signal processing module comprises a signal processing unit A and a signal processing unit B; the data analysis module comprises a data optimizing unit, adata fusion unit, a comprehensive analysis unit and a display module. The system has the advantages that under an auditory stimulation induction condition, transcranial Doppler is used to scan intracranial vessels, the scanning is combined with an optical signal feedback method of related acupoints to comprehensively evaluate the intracranial blood flow conditions of a patient, and a detection result which is high in precision and low in error rate can be obtained while high patient comfortableness is achieved.