47 results about "Actual practice" patented technology

A game ball delivery apparatus that adjusts the delivery of game balls to the actual practice needs of the player returning the delivered game balls, based on a computer analysis of player performance data, including but not limited to data collected from inertial and physiological sensors. The parameters of delivery, such as trajectory, speed, and interval of successive balls, are modified in real-time, as the player is training. One or more highly miniaturized sensors for collecting performance data are worn by the player without affecting the player's motions. A computer capable of analyzing said sensor data, selects delivery parameters for subsequently delivered balls, and transmits said delivery parameters to the ball ejector controller. Further, the system may optionally include a means for generating a feedback signal to the player to indicate deviations of the measured motion of the player from reference performances of the motion.

A dynamic response hitting training device relates to sports training and fitness equipment and can train response ability and hitting accuracy of a user. A hitting indication device is a plate with certain thickness, covers on the outer surface of a hitting area of a target hitting body and closely contacts with the outer surface of the hitting area of the target hitting body, a plurality of luminous bodies are uniformly distributed in the hitting indication device, a control circuit is used for driving the luminous bodies to be luminous, the luminous bodies of the hitting indication device are embedded in a luminous body fixing layer between a wiring layer and an elastic layer, and a light transmittance layer is arranged on the surface of the elastic layer. The dynamic response hitting training device is provided with the hitting point indication device capable of continuously indicating positions of hitting points in a training process, so that a trainee can hit corresponding positions according to indications, the dynamic response hitting training device can train the user to fast respond and accurately hit according to real-time dynamic change, and the training process is closer to actual practice.

The present invention discloses a novel direct current limiter which comprises a current limiting inductor, a current limiting resistor, a parallel resistor and a current limiter branch circuit breaker. When a direct current transmission line is normally operated, the current limiting inductor can be used as a smoothing reactor. When the direct current transmission line has a short-circuit fault, the direct current limiter will limit an increase speed of a short-circuit current. When a value of the short-circuit current exceeds a security threshold value, the current limiting resistor is connected into the transmission line so as to reduce the amplitude of the short-circuit current; then re-closing is carried out, and if re-closing succeeds, the branch circuit breaker is re-closed; and if re-closing does not succeed, the branch circuit breaker is disconnected, and the fault line stops so as to prevent the short-circuit fault from causing adverse affects on other electric power apparatus, power supply system and the like. The present invention also discloses a value-taking rule of parameters of various modules in the current limiter in order to enable the novel direct current limiter to achieve an optimal operation effect in actual practice.

The invention discloses a teaching model for construction of an earth and rockfill dam. The earth and rockfill dam has a clay core and is constructed by filling and laminating earth and rockfill layer by layer, clay masonry is substituted by bricks within 60cm of the outline of the earth dam, two sides of the cross section of the earth and rockfill dam are supported by channel steel 6.3, pulled and fixed by round steel phi20 and enclosed by toughened glass with the thickness of 8mm; the earth and rockfill dam comprises an earth and rockfill dam top, a dam body seepage-proofing body, a drainage facility, a protective slope and dam slope drainage facility and a visiting passageway, wherein a standard traffic road is built on the earth and rockfill dam top, border stones and drainage ditchesare arranged on the downstream side of the earth and rockfill dam top; rock mounds and the drainage ditches are arranged at the foot of the earth and rockfill dam to constitute the drainage facility;a dry stone pitching is arranged on the upstream face of the dam body of the earth and rockfill dam, and a turf protective slope provided with concrete meshes is arranged on the downstream slope of the dam body of the earth and rockfill dam; and the visiting passageway is arranged in a laboratory. According to the invention, field teaching and actual practices are combined to make the shortage ofthe work site practice outside schools.

The present invention provides a method of enhancing the retention of learning objective information imparted to a student during an event training program. The method includes performing assigned activities by the student following the event training, which activities include tasks putting into actual practice in the student's daily activities, objective information imparted to the student during the event training program, and participation by the student in one or more follow up conference sessions during which sessions the learning objective information imparted to the student during the event training is reinforced through predetermined discussion conducted by a follow up program facilitator. The preparation of content material for each follow up session is predicated upon and includes the original content of the event training, along with information gathered from each student prior to each follow up session, such information including the culmination of student experiences learning the content in performing the assigned activities. The discussion at the follow up conference includes comments from the student on experiences gained from actual practice of the tasks. The retention of learning objective information by a student after an event training program is evaluated, the evaluation including an assessment of assignments completed by the student and by the student's participation in the discussion.

A two-frequency one pole antenna includes a microwave base plate, radiation elements and transmission line among which, the radiation elements are composed of a central radiator and several radiationarms, the central radiator generates a resonant modal, the arms generate another resonant modal, thus the said antenna can operate on two different frequencies In actual practice, every radiation armcan be set symmetrically and leaking two corresponding sidewalls of the radiator and electromagnetic coupling efficiency between the arms and the radiator makes the impedance good matching.

The invention discloses a GNSS receiver and an intermediate frequency data processing method thereof, and belongs to the technical filed of receivers for a GNSS. The GNSS receiver comprises five parts, namely, an intermediate frequency data compression part, an intermediate frequency data storage part, an intermediate frequency data reading part, an intermediate frequency data uncompression part and an intermediate frequency data processing part. A GNSS radio signal is required to be transmitted through the atmospheric layer, the strength of the signal reaching the ground is very weak; the GNSS receiver needs to process intermediate frequency data which are long enough, so that a satellite signal can be searched; and a method combing GNSS intermediate frequency data storage and parallel signal processing is adopted, so that the time for searching the satellite signal can be greatly reduced. However, intermediate frequency data can occupy lager storage circuits, and thus the application of the method in actual practice is restricted. According to the GNSS receiver and the intermediate frequency data processing method, the intermediate frequency data are compressed and uncompressed, so that the storage size of the intermediate frequency data can be decreased, and the cost and the energy consumption of the whole GNSS receiver are reduced.

A dynamic response hitting target bag relates to a fitness training appliance and comprises a hitting bag and an electric control device. The hitting bag is a hollow bag, the edge of a bottom layer is fixedly connected with the edge of a light transmittance surface layer to form the hollow bag, both a luminous body fixing layer and an elastic layer are located in the hollow bag, the luminous body fixing layer contacts with the bottom layer, and the elastic layer is located between the luminous body fixing layer and the light transmittance surface layer; a plurality of hitting indication areas are distributed on the elastic layer, a plurality of light transmittance holes are uniformly distributed in each hitting indication area, grooves or through holes are arranged on the luminous fixing layers corresponding to the hitting indication areas, and luminous LEDs are fixed in the grooves or through holes; and a luminescence control circuit is used for driving switches of the luminous body LEDs. The dynamic response hitting target bag can continuously change indications for positions of hitting points in a training process, so that a trainee can hit according to the indications, response speed of the trainee can be trained, and the training process is closer to actual practice by the aid of the dynamic response hitting target bag.

The invention discloses a motion capturing device for simulating operation in a three-dimensional scene. The motion capturing device comprises a controller, a data glove, a motion capturing device body, a projector, a network interface and a power source part. Technologies like virtual reality and multi-media are used in the motion capturing device for simulating operation in the three-dimensional scene, interactivity, interestingness and passion of staff in an operating skill training process are increased, safety education is no longer dull and stuffy, and therefore efficiency and quality of safety education are greatly improved, and the stability of power grid economic and reliable running can be improved as operating skills and safety awareness of the staff are improved. In addition, a user can conduct actual practice through the data glove, and professional skills can be improved quickly.

The present invention provides a method for identifying a 3-D event location of a gamma interaction for enhancing the precision of event location determination and improving the practicability of an edge-on ends-read imaging detector. The method establishes two expected photopeak relations and a mapping table for every unit in the sensor array before imaging. In real practice, two sensing values with respect to the energy of scintillation photons generated during the detection on an event are obtained by the edge-on ends-read imaging detector. Furthermore, two energy windows corresponding to each sensing value are determined according to the corresponding expected photopeak relations. If both the two sensing values fall within the corresponding energy windows respectively, the event location along the long axis of sensor array is determined according to the sensor values with respect to the mapping table mentioned above.

The invention provides a method for improving reliability of data transmission of an underwater acoustic sensor network. The method comprises the following steps that: an upstream node randomly queues up all neighboring nodes thereof, takes the head node of the queue as a temporary IPool node, transmits data packets and judges whether a group of data packets are transmitted; a downstream node and the IPool node are connected with the data packets broadcast by the upstream node; the IPool node monitors the data packets forwarded by the downstream node and compares the data packets with a cache data packet; and the downstream node counts, decodes, verifies, recodes and forwards the data packets received by the IPool node and judges whether one group of data is received from a temporary IPool node again and whether all the data packets are transmitted. For the problems of increased energy consumption, channel occupation and data transmission delay caused by the prior art, the method reduces the energy consumption of the data transmission on the premise of not reducing the reliability of the data transmission and can meet the requirements of the underwater acoustic sensor network on actual practice better.

The invention discloses an information management system for an open practice base, which includes an information display unit for displaying relevant information of the practice teaching base, an information registration unit for collecting and storing student identity information, and resources for the practice base A shared information sharing unit and an open appointment unit for booking online training for virtual practice projects, hands-on training for practical practice projects, and personal appointments for base station equipment. This system simplifies the process of project appointment management, reduces the investment of managers, improves the operating efficiency of the teaching system, and mobilizes the enthusiasm of students for practical learning.

The invention relates to a vein inner duct setting device having the pumping back force, which comprises a syringe, a needle group and a push rod. The needle group has a locating piece positioned in the syringe, a needle seat limited between the locating piece and the syringe, a needle body threading through the syringe, a duct seat nested on the syringe, and a pliability duct associated with the duct seat and for the threading out of the needle body. The push rod has an air port communicated with the air pressure outside, and a startup piece can be nested with the needle seat for combination, the startup piece has a flow way communicating the syringe and the air port. thereby, when the air port is sealed, the inside of the syringe can maintain the close state, so the operation of blood inducing can be conducted, when the air port is open, the backstreaming blood can flow into the flow way of the startup piece, and thereby the startup piece is started to continuously drive the motion of the needle seat and the needle body to be hidden in the push rod. The invention provides the vein inner duct setting device having the pumping back force that can avoid the seepage of blood when meeting misoperations, so the invention is fit for the actual practice.

The invention discloses a virtual orthopedic surgery practice system and a simulation training method, and belongs to the technical field of medical treatment. The operation practice system comprises a skeleton three-dimensional model reconstruction module used for reconstructing a skeleton model, a display system, a display module of an operation interface and an actual practice module used for operation training; and an evaluation module used for the teaching personnel to score the whole drilling process of the operation. According to the training method, the system is adopted for simulation training, the virtual reality technology is used as a support, the operation training system is optimized, a more vivid operation environment and a skeleton and backbone reconstruction model are created, the accuracy of model reconstruction is improved, and when the system is used for operation teaching or training, a real training process can be better simulated, so that the operation proficiency of a trainee is remarkably improved, and the step memory of an intern in the operation process is enhanced.

The invention relates to the field of LED lamps, in particular to a device and a method for serial LED lamp fault detection and fault tolerance control. The device for serial LED lamp fault detection and fault tolerance control comprises a controller and multiple spot light sources, wherein the controller is in serial connection with the spot light sources through double monobuses, one of the monobuses is used for transmitting control signals while the other one is used for feeding back position information of fault points, and the control signals and the position information are transmitted in a hop-by-hop relay transmission manner. The controller is mounted at the start point of the double monobuses, and each spot light source comprises a main control unit MCU, a signal analysis / relay unit, an LED driver, a current detection unit, a multi-way selection switch and LEDs. By the device and the method for serial LED lamp fault detection and fault tolerance control, defects of the prior art are overcome, and actual practice requirements for the serial LED lamps are met effectively.

The invention discloses an actual practice examination assessment device for seamen of inland waterway vessels. The actual practice examination assessment device comprises a first acquiring module, a second acquiring module, a third acquiring module, a fourth acquiring module and a processing module, wherein the first acquiring module is used for acquiring the value, which is acquired by laser distance-measuring equipment, of the distance between a vessel and a bank; the second acquiring module is used for acquiring the speed, which is acquired by speed-measuring equipment, of the vessel when the vessel is in contact with a wharf; the third acquiring module is used for acquiring images, which are acquired by image acquiring equipment, of an examinee when the examinee operates the vessel; the fourth acquiring module is used for acquiring the running track and the running speed, which are acquired by positioning equipment, of the vessel; and the processing module is used for comparing various acquired data to various corresponding preset data and obtaining an actual practice examination assessment result of the seamen of the inland waterway vessels according to a comparison result. The actual practice examination assessment device can be used for electronically assessing the actual practice examination of the seamen of the inland waterway vessels.

The invention discloses a simulation teaching aid for improved Asworth muscular tension evaluation scale medical teaching. The simulation teaching aid comprises a mould body, wherein an elbow joint and a knee joint of the mould body are fixedly provided with movement devices respectively; each movement mechanism comprises a first fixed block, a second fixed block, a driving mechanism and a limiting mechanism; the driving mechanism and the limiting mechanism are arranged on the two sides of the position between the first fixed block and the second fixed block respectively; the top end of the first fixed block is fixedly connected with the upper edge of the joint, and the bottom end of the second fixed block is fixedly connected with the lower edge of the joint; the driving mechanism comprises a stepping motor and a rocker; the top end of the stepping motor is fixedly connected with the bottom end of the first fixe block; the bottom end of the rocker is fixedly connected with the top endof the second fixed block; and the top end of the rocker is fixedly connected with the end of the output shaft of the stepping motor. According to the simulation teaching aid disclosed by the invention, six different pathological conditions can be simulated by arranging six limiting ratchet wheels, and a simulation person is used for carrying out teaching or examination real operation, so that students can carry out actual practice, six different pathological conditions can be known, and the teaching effect is good.

The invention discloses a vehicle information processing system based on a self-organizing network. The vehicle information processing system comprises an information acquiring unit, a calculation unit and an executing unit, wherein the information acquiring unit is used for acquiring motion state information of surrounding relevant vehicles and a vehicle itself, the calculation unit is used for receiving and processing information, the executing unit is used for controlling the motion state of the vehicle, the vehicle information processing system can create or be added with the self-organizing network for automatic overtaking of the vehicles, and the self-organizing network is a distributed peer-to-peer network which is composed of surrounding relevant vehicles and vehicle information processing systems of the vehicle themselves. As the vehicle information processing center, the calculation units are distributed on all the vehicles, the consumption of building a center processor is reduced, possible errors existing during communication of data between the vehicles and the center processor are reduced, and the system more conforms to actual practice. Besides, by means of vehicle cooperation control, the traffic capacity of the road can be effectively improved, the traffic jam is relieved, and through the further utilization of the self-organizing network, the safety of the vehicle overtaking process can be further improved.

The invention relates to an examination system and an actual practice examination question setting and judging method. The examination system comprises an industrial personal computer, a controlled object, a programmable logic controller and a diagnosis box, wherein the industrial personal computer is a man-machine interaction platform; the controlled object is an examinee actual practice experiment platform; the programmable logic controller is used for receiving programming answer information, simulating the working process of production flow according to the programming answer information and outputting computational results; and the diagnosis box is used for setting examination barrier content according to examination question information, judging whether actual practice examination questions are right or not and judging whether programming examination questions are right or not. The examination system has the beneficial effects that the examination system has an intelligent examination function, frees teacher from the heavy work of setting examination questions, going over examination papers and checking the examination papers, ensures that students' examination is fairer and the scoring standard is more accurate, and provides a powerful tool for China's education industry.

A two-frequency one pole antenna includes a microwave base plate, radiation elements and transmission line among which, the radiation elements are composed of a central radiator and several radiation arms, the central radiator generates a resonant modal, the arms generate another resonant modal, thus the said antenna can operate on two different frequencies In actual practice, every radiation arm can be set symmetrically and leaking two corresponding sidewalls of the radiator and electromagnetic coupling efficiency between the arms and the radiator makes the impedance good matching.

The present invention provides a personal hygiene item. In simple terms, one of the main features of the present invention is to provide a low-cost personal hygiene item capable of providing a multi-component detection function. The personal hygiene item of the present invention mainly comprises a first material layer and a second material layer. The first material layer is made of hydrophobic material, and the second material layer is disposed thereon. Also, the second material layer comprises a discolored portion. In actual practice, a fluid under test contacts with the corresponding discolored portions via the hydrophobic layer of second material layer for a color changing reaction. Meanwhile, since the hydrophilic performance of the discolored portion is better than the hydrophilic performance of the hydrophilic layer, the back permeation of the fluid under test can herein be prevented.

The present invention provides a personal hygiene item. In simple terms, one of the main features of the present invention is to provide a low-cost personal hygiene item capable of providing a multi-component detection function. The personal hygiene item of the present invention mainly comprises a first material layer and a second material layer. The first material layer is made of hydrophobic material, and the second material layer is disposed thereon. Also, the second material layer comprises a discolored portion. In actual practice, a fluid under test contacts with the corresponding discolored portions via the hydrophobic layer of second material layer for a color changing reaction. Meanwhile, since the hydrophilic performance of the discolored portion is better than the hydrophilic performance of the hydrophilic layer, the back permeation of the fluid under test can herein be prevented.

A computer-implemented method, apparatus, and medium for reflecting a user's real-world performance of a practice in an avatar of a video game are described. A plurality of practices to be performed by the user in real world is provided, an indication that the user has completed a practice of the plurality of practices in the real world is received, a characteristic of the avatar corresponding to the practice is upgraded in response to receiving the indication, and the avatar is provided in the video game based on the upgraded characteristic. Accordingly, a user is able to view the avatar as an expression of the user's own personal growth and skill development in real life because the avatar's progress corresponds directly to actual practices performed by the user in real life, which encourages a deep and long-term evolution of various practices and provides engaging rewards that have tangible benefits in the real world and the virtual world.

The invention relates to a 3D printer with a linear robotic arm. In the 3D printer, slideways are both arranged on two sides at the upper part of a Y-axis slide rail; a Z-axis slide rail is arranged at the upper part of the Y-axis slide rail; rails on the two sides at the bottom end of the Z-axis slide rail are located in the slideways; a Z-axis slide block which can move up and down is mounted in front of the Z-axis slide rail; an X-axis arm is fixedly connected with the Z-axis slide block; a rotary arm capable of rotating by 360 degrees is mounted on the surface at one end of the X-axis arm; a printing head is mounted at the front end of the rotary arm; the Z-axis can move forwards and backwards on the Y-axis slide rail; the X-axis arm drives an X-axis arm lead screw to rotate through a stepping motor A; the X-axis slide block slides in the slideways; a rotary switch can be used for locating and adjusting the rotary arm capable of rotating by 360 degrees, so as to enable the printing head to print according to the requirement. When the robotic arm is used for performing 3D printing, the printing operation is not limited on a narrow printing platform, but like an open style, namely, at any ground or wall for actual practice; the printing joint capable of rotating is used for printing on the plane at any angle except for horizontal printing.

The invention relates to a 3D printer with a linear robotic arm. In the 3D printer, slideways are both arranged on two sides at the upper part of a Y-axis slide rail; a Z-axis slide rail is arranged at the upper part of the Y-axis slide rail; rails on the two sides at the bottom end of the Z-axis slide rail are located in the slideways; a Z-axis slide block which can move up and down is mounted in front of the Z-axis slide rail; an X-axis arm is fixedly connected with the Z-axis slide block; a rotary arm capable of rotating by 360 degrees is mounted on the surface at one end of the X-axis arm; a printing head is mounted at the front end of the rotary arm; the Z-axis can move forwards and backwards on the Y-axis slide rail; the X-axis arm drives an X-axis arm lead screw to rotate through a stepping motor A; the X-axis slide block slides in the slideways; a rotary switch can be used for locating and adjusting the rotary arm capable of rotating by 360 degrees, so as to enable the printing head to print according to the requirement. When the robotic arm is used for performing 3D printing, the printing operation is not limited on a narrow printing platform, but like an open style, namely, at any ground or wall for actual practice; the printing joint capable of rotating is used for printing on the plane at any angle except for horizontal printing.

The invention discloses a connecting structure for a vacuum arc-extinguishing chamber moving contact and a conductive holder. The connecting structure is characterized in that the contact surface between the vacuum arc-extinguishing chamber moving contact (1) and the conductive holder adopts a tooth form meshing surface (3), so as to enlarge the contact area between the vacuum arc-extinguishing chamber moving contact and the conductive holder. The connecting structure disclosed by the invention has the advantages that the contact surface between the vacuum arc-extinguishing chamber moving contact and the conductive holder adopts the tooth form meshing surface, so that the contact area between the vacuum arc-extinguishing chamber moving contact and the conductive holder can be enlarged, the resistance of the conductive loop can be reduced, the carrying capacity of the conductive loop can be increased, meanwhile a large temperature rise allowance can be ensured in the actual practice, the service life of a vacuum circuit breaker can be prolonged, and the electrical performance of the vacuum circuit breaker can be ensured.

The invention discloses a teaching model for construction of an earth and rockfill dam. The earth and rockfill dam has a clay core and is constructed by filling and laminating earth and rockfill layer by layer, clay masonry is substituted by bricks within 60cm of the outline of the earth dam, two sides of the cross section of the earth and rockfill dam are supported by channel steel 6.3, pulled and fixed by round steel phi20 and enclosed by toughened glass with the thickness of 8mm; the earth and rockfill dam comprises an earth and rockfill dam top, a dam body seepage-proofing body, a drainage facility, a protective slope and dam slope drainage facility and a visiting passageway, wherein a standard traffic road is built on the earth and rockfill dam top, border stones and drainage ditchesare arranged on the downstream side of the earth and rockfill dam top; rock mounds and the drainage ditches are arranged at the foot of the earth and rockfill dam to constitute the drainage facility;a dry stone pitching is arranged on the upstream face of the dam body of the earth and rockfill dam, and a turf protective slope provided with concrete meshes is arranged on the downstream slope of the dam body of the earth and rockfill dam; and the visiting passageway is arranged in a laboratory. According to the invention, field teaching and actual practices are combined to make the shortage ofthe work site practice outside schools.

Granules of racemic sodium ibuprofen dihydrate formed from components specified herein have very desirable properties and can be effectively used in conventional rotary press tableting equipment without operational difficulties often encountered in actual practice. Their preparation by a wet granulation process, the wet granule compositions, formulations adapted for preparation of solid dosage forms utilizing a rotary press, solid dosage forms, and methods of preparing solid dosage forms in a rotary press are also described.