165results about How to "Achieve autonomous control" patented technology

The invention relates to a nuclear power plant working robot and a control system thereof, which belong to the fields of robots and automation equipment. The nuclear power plant working robot is a crawler-type mobile manipulator and is composed of a mobile platform driven by double crawlers and a four freedom degree manipulator carried on the mobile platform. The nuclear power plant working robot can move inside a nuclear power plant, has two control modes of manual remote control and autonomous control, and is remotely controlled by a wireless or wired mode. The control system of the nuclear power plant working robot includes a host monitoring and planning control system and a robot control system which are matched to control the operation of the robot. The robot operates autonomously, is safe and reliable, can complete certain dangerous tasks in high radioactivity environment; the robot has small size, stable performance, great maneuverability and low operation cost; a crawler-type chassis has strong gripping force as well as certain climbing and obstacle clearing ability, and is suitable to walking over complex terrains; and the robot has high intelligence degree and can realize autonomous control and manual remote control.

The invention discloses a staff access control method based on face recognition and a staff access control device based on face recognition. The staff access control method comprises the following steps of: receiving log-on messages input by a user, storing and verifying the log-on messages; after the log-on message verification is successful, receiving and storing the messages of staff intending to come in and go out input by the user and the credibility of the staff intending to come in and go out set by the user; receiving the field facial images of field access staff, and comparing the field facial images with the log-on messages and the messages of staff intending to come in and go out to determine the credibility of the field access staff; carrying out first control measures on the field access staff determined as the staff with the first credibility; carrying out second control measures on the field access staff determined as the staff with the secondary credibility; and carrying out third control measures on the field access staff determined as the staff with the third credibility. The staff access control method is capable of realizing the classifying access control on staff coming in and going out according to the difference of credibility.

The invention relates to a lignite drying device by the aid of low-pressure superheated steam and a method. An inner heating mode is particularly adopted for the drying device, heating is realized and the low-pressure superheated steam is generated in a lignite drying process, the low-pressure superheated steam is properly superheated and used as a circulating drying medium inside the drying device, the drying medium directly contacts with lignite which moves from top to bottom when the drying medium flows from bottom to top, and purposes of heating and drying the lignite are achieved by the aid of convection heat transfer and mass transfer diffusion between the drying medium and the lignite. The lignite drying device and the method are characterized in that automatic control of the lignite drying process is realized by means of regulating the temperature of the drying medium and transferred heat of the drying medium inside the drying device, and effects of improving drying capacity and heat efficiency of the lignite drying device by the aid of the low-pressure superheated steam are realized.

The invention provides a combination automatic control method with a single-joint manipulator under mixed suspension microgravity environments. The combination automatic control method comprises the following steps of 1, enabling a combination to be equivalent to an underwater robot, and establishing a kinematics equation and a dynamics equation; 2, approximating the dynamics equation of the combination by a radial basis function neural network, so as to obtain control force and control torque corresponding to the radial basis function neural network; 3, using a sliding mode control method, so as to obtain control force and control torque corresponding to sliding model control; 4, synthesizing the control force and control torque corresponding to the neural network and the control force and control torque obtained by the sliding model control method, and distributing thrust, so as to obtain a general vector which consists of thrust and joint torque of each propeller; approximating the thrust deviation of the corresponding thruster through the radial basis function neural network, so as to obtain the estimation value of the thrust deviation; 5, combining the results obtained in step 2, step 3 and step 4, obtaining the general vector consisting of the thrust and the joint torque of the corresponding propeller, and further obtaining the thrust and the joint torque of the corresponding propeller, so as to realize the automatic control.

The present invention discloses method and apparatus of detecting, exciting and regenerating sensation, motor and internal organ signals of vertebrate including human, and is especially one kind microelectronic system aided nerve channel function recovering method and apparatus. The nerve channel function recovering apparatus includes two parts, one part for the function reconstruction of the ascending nerve channel and the other part for the function reconstruction of the descending nerve channel. The weak electric signal of the damaged nerve tract or nerve fiber is detected with detecting electrodes, amplified, recognized and extracted to generate controlled electric exciting signal for exciting the damaged nerve tract or nerve fiber to regenerate corresponding nerve signal and restore the function of the damaged nerve tract or nerve fiber micro electronically.

The invention belongs to the technical field of grain drying, and relates to a process method for rapidly drying grains through a countercurrent gas flow. The process principle is that: based on characteristic conditions and drying process requirements of different types of grains, a grain drying process is divided into preheating, drying, tempering, cooling and other process steps; based on grains requiring drying and having different heat sensitivities and moisture contents, a difference treatment process is adopted at the drying stage to carry out effective drying in stages, and a waste heat recovery and utilization technology is adopted at the preheating stage and the cooling stage to reduce power consumption of the process and improve drying capacity of the system; according to drying process conditions of different grains, different drying mediums are selected to carry out countercurrent gas flow drying; and a working temperature and a flow rate of the drying medium are controlled, such that the grain can be subjected to rapid dewetting under an acceptable temperature condition so as to achieve a grain drying purpose, and the dried grain can meet quality requirements.

The invention belongs to the field of underwater main control over deep-sea work type ROVs, and particularly relates to a control system and a control method for a deep-sea work type ROV. The control system comprises a monitoring layer, a control layer, an execution layer and a public data layer, wherein the monitoring layer comprises an information processing module, an equipment communication module and an equipment state monitoring module, and the control layer comprises a resource allocation module, a task decision-making module, a task control module and an instruction output module. According to the control system and the control method for the deep-sea work type ROV, a VxWorks embedded real-time operation system is applied, ensures the real-time processing of multiple ROV tasks due to high performance, and is good in stability and high in expansibility; the structure is simple, the tasks of all parts are clear, operation is efficient, the tasks are distinct in gradation, and the system is convenient to maintain; the control system and the control method for the deep-sea work type ROV are good in universality and can be widely applied to deep-sea work type ROV control systems.

The invention discloses an unmanned aerial vehicle cluster collaborative learning method based on multi-agent reinforcement learning. The method comprises the steps of constructing an environment simulator based on aerodynamics; enabling each unmanned aerial vehicle to acquire and maintain a local observation value of the unmanned aerial vehicle; enabling each unmanned aerial vehicle to acquire and maintain a suggested observation value from a teammate as a student; providing a guidance value for other unmanned aerial vehicles as a teacher; executing an action strategy based on the local observation value of the machine and the suggested observation value obtained from the teammate, obtaining a reward and transferring to the next state; performing training based on the MADDPG thought untilthe value network and the strategy network converge; carrying out the execution stage in a distributed mode, that is, each unmanned aerial vehicle executes an action strategy based on the local observation value and the suggested observation value provided by the teammate. Complementation of observation values between unmanned aerial vehicle clusters can be achieved on the premise of relatively low cost, independent autonomous decision of the unmanned aerial vehicles is achieved, and the communication problem caused by a 'master-slave' structure is solved.

The invention relates to an autonomous navigation control management system for a large unmanned ship. The autonomous navigation control management system comprises a whole ship information subsystem,an autonomous navigation control subsystem, an operation motion simulation subsystem, an autonomous dynamic collision avoidance decision planning subsystem, a ship-shore interaction visual display subsystem, a signal acquisition subsystem and a propulsion controller, wherein the signal acquisition subsystem acquires the ship and marine environment information and transmits the ship and marine environment information to the whole ship information subsystem for information fusion, the whole ship information subsystem transmits the fused information to the manipulation motion simulation subsystem, the autonomous dynamic collision avoidance decision planning subsystem and the ship-shore interaction visual display subsystem for calculation, and the ship-shore interaction visual display subsystem receives active planning and control of the shore base through network communication. The autonomous navigation control management system of the large unmanned ship realizes autonomous collision avoidance decision and real-time simulation verification in the control process, and perfects shore-based joint control and real-time monitoring.

The invention discloses an environment control method based on a brain computer interface. By the method, an environment control device can operate in a synchronous/asynchronous control mode under different conditions; the asynchronous control mode is used for starting/stopping the whole environment control device or used for selecting some equipment (such as a television) so as to achieve autonomous control of the environment control device; after the equipment is started, the environment control device operates in the synchronous mode so as to increase accuracy and detection speed of the brain computer interface. When the environment control device operates in the asynchronous mode, system misoperation rate can be controlled effectively through introduction of pseudo keys and authentication mechanisms, so that the environment control device employing the method is practical. The environment control method is applied to the practical environment control device, so that seriously disabled persons are assisted in daily living, and their self-help abilities for daily living are improved.

The invention relates to a feedback type artificial anal sphincter system based on percutaneous energy supply. The feedback type artificial anal sphincter system based on percutaneous energy supply comprises a part implanted in vivo and a part implanted in vitro. The system implanted in vivo is composed of a sensing execution module, a part of a percutaneous energy supply module in vivo, and apart of a wireless communication module in vivo. The system implanted in vitro is composed of a part of the percutaneous energy supply module in vitro, a part of the wireless communication module in vitro, a microprogrammed control unit (MCU), a portable control module, and an external alarm module. According to the feedback type artificial anal sphincter system based on percutaneous energy supply, the problems of a traditional artificial anal sphincter that a patient cannot perceive waste volume degree and control is inconvenient, and infection can be led to a wire are solved.

The invention relates to a collaborative filtering recommendation method based on trustful privacy maintenance in personalized search and belongs to the field of computer networks. According to the basic idea, firstly, the trust degree Tcf of a target user to the execution behavior of a collaborative filtering recommendation system is established by means of automatic trust negotiation between the target user and the collaborative filtering recommendation system; the target user judges the degree of disclosure of personal information according to the trust degree Tcf, the collaborative filtering recommendation system collects the personal information provided by the target user and conducts clustering on users to obtain an initial user set with the interest similar to that of the target user; finally, the target user selects a similar user with the trust degree not lower than the Tcf from the user set and makes the similar user as a recommended object. The collaborative filtering recommendation method based on trustful privacy maintenance can overcome the defect that an existing collaborative filtering recommendation method is short of privacy protection in the search and modeling process of personal information, control over the degree of disclosure of the personal information by the target user is achieved, and comprehensive protection is provided for privacy data of the users.

The invention relates to a video system and method applied to sports training and teaching. The system comprises a local server, a switch, a Bluetooth device, a client, an interactive electronic whiteboard and a camera group; the camera group comprises a plurality of cameras connected with the switch; the switch is connected with the interactive electronic whiteboard; the switch is connected withthe local server through the Bluetooth device; and the local server is connected with the interactive electronic whiteboard. The video system applied to the sports training and teaching provided by the invention can realize the autonomous control of multi-angle video capture, can realize the fast retrieval of videos, can accurately find the time points and fragments required to be explained by a coach in the captured videos, and can record the coach's explanations and annotations in real time; and besides, rich sports multimedia teaching materials can be generated without other auxiliary means, labeled storage of video data can be realized, intelligent synthesis and calling of the video data are realized according to labels, and the requirements of actual application can be well met.

The invention discloses a vehicle body hinged device and a rotation angle control method for a self-guided virtual track train. The vehicle body hinged device comprises hinged mounting seats, a spherical metal joint and an angle sensor assembly. The hinged mounting seats are hinged by the spherical metal joint, and the angle sensor assembly is installed on the hinged mounting seats. The angle sensor assembly comprises an angle sensor, a sensor limiting bracket and a sensor positioning bracket. When a vehicle crosses a curve virtual track, the rotation angle of the hinged device is measured bythe angle sensor, and the angle information is fed back to a control system. The control system adjusts the rotation angle of the hinged device by an active shock absorber according to the angle information. According to the vehicle body hinged device and the rotation angle control method for the self-guided virtual track train, the displacement, in the longitudinal, lateral and vertical directions, of a vehicle body is limited, three-way rotation between the two vehicle bodies is allowed, and the function of load transmission is achieved. After the vehicle separation distance is reduced, andthe length of a penetrating channel is shorted, the utilization rate of vehicle space can be improved, and at the same time the turning radius of the vehicle can be smaller.

The invention discloses a vehicle control method and device which are used for achieving automatic and intelligent control of a vehicle. The vehicle control method comprises the steps of performing signal detection operation by controlling a signal detection device arranged on the vehicle; judging whether an automatic operation starting condition of the vehicle is met or not according to signals detected by the signal detection device; when the automatic operation starting condition of the vehicle is met, controlling the vehicle to perform the corresponding operation automatically according to the signals detected by the signal detection device. According to the technical scheme, the automatic and intelligent control of the vehicle is achieved, and the vehicle using safety of an owner is improved; the automatic control of the vehicle on some conditions is achieved, and a mount of unnecessary loss can be avoided; the remote monitoring of the owner on the vehicle is achieved, and the mastering of the owner to the vehicle, the out-going of the owner and the timely maintenance operation of the owner on the vehicle are facilitated.

The invention relates to a site convenience calibration technology and autonomous control technology for a digital frequency conversion controller special for a metering pump. The problem of site calibration is solved, complex calibration becomes easier, convenient and easy to implement by means of control of the digital frequency conversion controller, only the metering pump needs to be started, the output quantity Q of the metering pump is measured when the pump stops working, then characteristic parameters of the pump can be obtained and stored in a nonvolatile storage unit of the digital frequency conversion controller, the digital frequency conversion controller can automatically calculate the flow, cumulant and other metering parameters according to the characteristic parameters, and a calibration result correction method is given. According to the site convenience calibration technology and autonomous control technology, the aim of autonomous control is achieved, no external controllers are needed, autonomous control can be achieved only through a controlled volume measured value and a technological set value, the control structure can be simplified, the cost is reduced, the technological set value can be converted into a standard signal value particularly, and the good universality is achieved.

The invention discloses equipment for deep-hole drilling through vibrating. The equipment comprises an upright which is horizontally provided with a crossbeam through a guide rail, an oiling device is fixedly arranged at one end of the crossbeam, a vibrating spindle box is arranged at the other end of the crossbeam, a hollow cutter bar is horizontally arranged at one end of the vibrating spindle box and penetrates out of the oiling device, and a chip removal pipe is arranged at the other end of the vibrating spindle box. By the equipment, the problem that existing deep-hole processing equipment through cutter rotation is unreliable in chip breaking and removing, poor in quality of hole processing and low in processing efficiency is solved, and deep-hole processing quality is improved.

The invention provides an intelligent mobile robot visual navigation system and method in a narrow space. The system comprises an image collection end and an analysis processing end. The image collection end comprises a cross line laser projector, a first micro-camera, a second micro-camera and a control unit. The method comprises the following steps that the cross line laser projector projects cross line light bar images; the first micro-camera and the second micro-camera collect the cross line light bar images and output the cross line light bar images to the analysis processing end; the analysis processing end analyzes the images to obtain a three-dimensional coordinate set of light bars; the analysis processing end analyzes the regional position of an obstacle appearing in front according to the three-dimensional coordinate set of the light bars; the analysis processing end returns the regional position back to the control unit of the image collection end so as to control a robot to complete avoidance of the obstacle. According to the intelligent mobile robot visual navigation system and method, independent obstacle avoiding navigation of the robot can be accurately achieved in the complex and unknown narrow working environment.

The invention discloses a wheelchair with an object-taking function and a control method thereof. The wheelchair includes an electric wheelchair, a humanoid robotic arm and a wheelchair control system, and the wheelchair control system includes an eye tracker, a microcomputer, a camera, and a microphone. The method for controlling the object taking includes the steps of: 1. the disabled person sits in the electric wheelchair and wears the eye tracker; 2. the disabled person firstly speaks to the microphone to tell what item he wants to take, and then looks at the position where the wheelchairis to arrive; 3. the wheelchair control system controls the position of an eye gaze point that the electric wheelchair needs to reach from the current position to the wheelchair; 4, the item that thedisabled person wants to take is obtained, and the center coordinate of the target information is determined; and 5. the wheelchair control system controls the humanoid robotic arm to reach the position of the item and take the object. The wheelchair has novel and reasonable design and high control precision, so that the electric wheelchair and the humanoid robotic arm can automatically assist thedisabled person to take things, which greatly facilitates the life of the disabled person and has strong practicability.

The invention discloses a polar region wing sail wind power direct drive robot control system. The polar region wing sail wind power direct drive robot control system comprises a trajectory planning system, a navigation control system, an obstacle and danger avoidance system and a microprocessor, wherein the trajectory planning system is connected with the navigation control system and the microprocessor and used for planning a target trajectory path for a whole wing sail robot according to a scientific investigation task; the obstacle and danger avoidance system is connected with the navigation control system and the microprocessor and used for detecting real-time road conditions through sensor elements and feeding back the road conditions to the wing sail robot for obstacle and danger avoidance; the navigation control system is connected with the trajectory planning system, the obstacle and danger avoidance system, a GPS unit and the microprocessor and controls a wing sail unit and a course control unit of the wing sail robot through a motor and a steering engine respectively. The polar region wing sail wind power direct drive robot control system is reasonable in structure, easy to realize and suitable for detection application under complex and variable climate conditions in the polar region, thereby having high engineering application value.

The invention relates to a large-scale public building intelligent heat supply adjustment and control system based on solar energy. The system comprises a fan coil, a solar energy groove type heat collector, a phase change energy storage water tank, a compressor, an evaporator, an expansion valve, a condenser, a water segregator, a water collector and an intelligent control unit. The system is simple in structure, efficient in operation and great in self-controllability; office staff can independently operate and adjust the system according to the condition, the thermal comfort degree of the indoor staff is raised, and the system can operate efficiently and reasonably; the system is low in operation cost, and an air source heat pump system is replaced with the phase change energy storage water tank at night, and operating cost of equipment is greatly lowered; and the system is wide in application scope and can be applied to villas, residential housing and the like, and the market requirement can be well met.