183 results about "Control system design" patented technology

This patent discloses a computer system for humanoid robot control system design and implementation, featuring a digital humanoid robot with dynamical models and a set of single-input-single-output (SISO) and multi-input-multi-output (MIMO) controllers. The system comprises a main software program, a generative Al humanoid robot intelligence engine, a robot motion path planner module, and a control system simulation engine. It enables efficient design, testing, validation, and implementation of robot control systems, significantly reducing time to market. The system supports seamless upgrades to accommodate new designs and components, enhancing applications in industrial automation, healthcare, public safety, and more, aligning with the goals of the 4th Industrial Revolution.

The utility model discloses a transesophageal probe capable of automatically rotating a head, and aims to solve the problems that in the prior art, a whole probe rotates, so that a patient feels uncomfortable, operation depends on experience of a physician, and the examination efficiency is low. The probe comprises a probe head, a snake bone pipe, an insertion pipe, a rotating structure arranged at the joint of the probe head and the snake bone pipe, a driving module, a sensor and a rotating stabilizing structure. The driving module transmits power to the rotating structure through the flexible transmission part, so that the probe head can independently, accurately and automatically rotate relative to the insertion tube. The sensor monitors the rotation angle and speed in real time and feeds back to the control system. The rotation stabilizing structure ensures the stability and reliability of the movement process. Through the innovative mechanical structure and control system design, independent rotation of the probe head is achieved, friction to the esophagus of a patient is remarkably reduced, the operation difficulty is lowered, and the examination efficiency and the standardization level are improved.

The invention relates to the technical field of goods conveying, and discloses a water bottle stacking device which comprises a sliding rail fixedly installed on a bearing table, a pallet fork clamped on the sliding rail in a sliding mode and a self-locking type driving mechanism installed on the bearing table and used for driving the pallet fork to slide in a reciprocating mode. The self-locking type driving mechanism drives the sliding fork to slide in a reciprocating mode. A stand column is fixedly installed on the supporting fork. The action of reinforcing the packaging water bottle is achieved in the process that the self-locking type driving mechanism drives the pallet fork to withdraw the packaging water bottle to the bearing table, the two actions are seamlessly connected, operation of an operator is not needed, independent drive is not needed for the downward pressing piece, a control system does not need to be independently arranged for the downward pressing piece, and operation is convenient. Therefore, the cost is saved, the design difficulty of the control system is reduced, and meanwhile, the connection time between the two actions can be effectively shortened so as to improve the working efficiency.

The invention belongs to the technical field of airborne radar phased-array antenna wave control system design, and particularly relates to an airborne radar phased-array antenna wave control system multi-node software online upgrading method, which comprises the following steps of: 1, synthesizing upgrading files of software needing to be upgraded into a total upgrading file; step 2, extracting a total upgrading file from the software configuration library, sending the total upgrading file to a main node of a system to be upgraded by an upper computer, and performing file verification; step 3, extracting frame header information of the total upgrade file by the master node of the system to be upgraded, comparing the information of each upgrade file with the information of each slave node software collected in real time, and judging whether to upgrade each slave node software; 4, the master node of the to-be-upgraded system disassembles the upgrade file needing software upgrade according to the upgrade file information in the total upgrade file frame header, and issues the upgrade file to the corresponding slave node; and step 5, upgrading the software by the slave nodes needing to be subjected to software upgrading according to the upgrading file.

The invention belongs to the technical field of aircraft control system design, and particularly relates to a dual-redundancy steering engine controller switching control method, switching control is achieved through three FPGA logic processing modules including an FPGA 1, an FPGA 2 and an FPGA 3, the FPGA 1 controls main and standby control boards, the FPGA 2 controls three main driving boards, the FPGA 3 controls three standby driving boards, and the situation that overall work is abnormal due to the fact that one device breaks down is avoided. And the full duplex 422 bus and the CAN bus are used for feeding back the control current and voltage, the power current and voltage, the temperature signal, the position signal and the overcurrent signal acquired by the signal feedback circuit. The main drive control circuit and the standby drive control circuit share states and check each other through dual-computer communication 422, and can detect each other and automatically switch when a fault occurs in a certain redundancy.

The invention relates to a high-altitude cabin air inlet system active-disturbance-rejection control method based on an improved rapid super-spiral sliding mode and differential flatness, and belongs to the technical field of aero-engine high-altitude simulation control. The method comprises the following steps: establishing a high-altitude cabin air inlet system model; according to the established system model, the temperature and pressure coupling control problem is solved by using the differential flatness characteristic of the system; designing an improved rapid super-spiral sliding mode controller for the active disturbance rejection temperature and pressure decoupling control system to obtain an improved rapid super-spiral sliding mode active disturbance rejection temperature and pressure decoupling control system; the improved rapid super-spiral sliding mode active disturbance rejection temperature and pressure decoupling control system generates control input signals according to system temperature and pressure environment parameter output signals. The control input signal is input into the high-altitude cabin air inlet system, the high-altitude cabin air inlet system operates, and temperature and pressure environment parameter output signals are obtained. According to the invention, the problem of strong airflow interference in the rapid transition state test of the high-altitude cabin air inlet environment simulation system can be solved.

The invention relates to the technical field of road engineering, in particular to an automatic subgrade soil humidity control system, a design scheme generation method and a medium, the system comprises a geotechnical composite layer, the geotechnical composite layer comprises a first composite layer, a second composite layer and a third composite layer, the first composite layer absorbs moisture of a subgrade soil body, and the second composite layer discharges moisture of the subgrade soil body; the third composite layer blocks underground capillary water; the collecting assembly is used for collecting roadbed soil humidity and external environment humidity; and the control assembly is used for carrying out humidity control operation on the geotechnical composite layer according to the roadbed soil body humidity and the external environment humidity so as to control the geotechnical composite layer to absorb or discharge moisture of the roadbed soil body. The system can automatically control the novel geotechnical composite layer to actively absorb and drain water to the roadbed soil body according to the humidity of the roadbed soil body and the humidity of the external environment, so that the humidity of the roadbed soil body is kept in a constant and safe state for a long time.

A coordinated control system designed with a small form factor that can be located within a robot or an automated inline manufacturing system, comprising: an on board advanced distributed control hardware configured with artificial intelligence enabled processors incorporated within a System on Module (SOM) board, each SOM comprising four processors or nodes; interfaced with a cameras, motors, general purpose I / O through I2C expander, audio interface, Internet, wireless communication such as WiFi and Bluetooth to send and receive commands and any other data; electrically connected to a plurality of sensors for perceiving the environment and collecting data from infrared, tactile, proximity and other types of sensors; an external host flashing computer dedicated for uploading / downloading firmware, cloning and configuration setup; a non-volatile memory for storing control algorithms, configuration files and other essential data; a HDMI based user interface for robot operation, training and setup; USB C or Ethernet based internal star network for high-speed communication bypassing the standard PCI bus interface bus; an Ethernet switch board enabling multiple boards to access the Ethernet for both internal communication within the star network as well as external Internet access.

1. The name of this design product: Tandem twin-rotor UAV. 2. Purpose of this design product: This design product is used for flight control system design, debugging and functional verification, etc. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present invention discloses a nuclear power information recommendation method, system and computer device based on a knowledge graph, which relates to the fields of nuclear power human factors engineering and control system design. The method includes: obtaining data in a nuclear power plant system, and constructing a nuclear power knowledge graph based on the data in the nuclear power plant system, where the nuclear power knowledge graph includes multiple nuclear power entities and the relationships between the nuclear power entities. Establishing a vector space according to the nuclear power knowledge graph, and obtaining a first similarity matrix between nuclear power entities according to the vector space. Obtaining the historical operation information of an operator, and obtaining a set of historical operation sequences according to the historical operation information of the operator. Obtaining a second similarity matrix between nuclear power entities according to the set of historical operation sequences. Generating a fused similarity matrix according to the first similarity matrix and the second similarity matrix. And, in response to the real-time operation of the operator, obtaining recommended information according to the fused similarity matrix and displaying the recommended information.

This invention discloses a one-dimensional modeling method for scramjet engine volumetric dynamics, comprising the following steps: 1) establishing a mathematical model of the scramjet engine's inlet, combustion chamber, and tail nozzle; 2) establishing mathematical models of the scramjet engine's scramjet shockless mode, scramjet oblique shock mode, and subcombustion mode; and 3) establishing a dynamic model of the scramjet engine based on volumetric dynamics. This invention utilizes volumetric dynamics to establish a one-dimensional scramjet engine model, enabling rapid calculation of changes in combustion chamber axial flow field parameters, meeting the requirements of engine control system design.

A coordinated control system designed to have a small form factor can be located within a robotic or automated online manufacturing system, the coordinated control system comprising: on-board advanced distributed control hardware configured with artificial intelligence enabled processors incorporated within a System-on-Module (SOM) board, each SOM comprising four processors or nodes; wireless communication with cameras, motors, general purpose I / O via I2C extenders, audio interfaces, the Internet, such as Wifi and Bluetooth connections, for transmitting and receiving commands and any other data; a sensor electrically connected to a plurality of sensors for perceiving an environment and collecting data from infrared, haptic, proximity and other types of sensors; the external host flash memory computer is specially used for uploading / downloading firmware, cloning and configuring; the nonvolatile memory is used for storing a control algorithm, a configuration file and other necessary data; the HDMI-based user interface is used for robot operation, training and setting; the internal star network based on USB C or Ethernet is used for bypassing the standard PCI bus interface BUS to carry out high-speed communication; an Ethernet switch enables a plurality of boards to access the Ethernet for internal communication within the star network as well as external Internet access.

The invention discloses a suspension control system and a vehicle with the same, the suspension control system comprises a cylinder body, a piston, a driving pump and an energy accumulator, and a hydraulic cavity is formed in the cylinder body; the piston is movably arranged in the hydraulic cavity and divides the hydraulic cavity into a first cavity body and a second cavity body; the driving pump is provided with a first oil port and a second oil port, the first oil port and the second oil port communicate with the first cavity and the second cavity correspondingly, and the driving pump is suitable for driving a medium to flow between the first oil port and the second oil port; four branches are arranged between the cylinder body and the driving pump for communication; an energy storage cavity is formed in the energy accumulator and communicates with the third branch and the fourth branch so as to selectively supplement media to the third branch and / or the fourth branch or store media in the third branch and / or the fourth branch. The suspension control system designed according to the invention can be matched with large power requirements, and can meet the power output requirements of the suspension control system more quickly.

The invention relates to a rectifying tower double-temperature-difference control system design method based on an average absolute variation amplitude index. The invention aims to solve the problems that the coupling relation between control loops is not systematically considered when a reference plate of double temperature difference of each loop is selected in a traditional design method of a double temperature difference control system, and upper and lower temperature differences formed by sensitive plates of each loop and upper and lower reference plates are not coordinated and optimized. The design method comprises the following steps of: firstly, analyzing and selecting an inflection point near a sensitive plate as a reference plate position by utilizing ASVM curve characteristics; secondly, optimizing the upper reference plate or the lower reference plate by adopting a horizontal matching strategy; by optimizing the design of the double-temperature-difference control loop, the product quality control quality of the rectifying tower is remarkably improved, and the double-temperature-difference control loop can be widely applied to the design of double-temperature-difference control systems of conventional rectifying towers, isolation wall rectifying towers and other complex rectifying towers.

The invention discloses a path tracking control method suitable for crawler-type agricultural equipment. The method comprises the following steps: S1, building a navigation hardware control system on crawler-type equipment; s2, designing a Kalman filtering algorithm to filter the course angle of the crawler-type equipment; s3, correcting an equipment positioning error caused by the attitude angle; s4, a fusion algorithm of the Stanley algorithm and the Pure Pursuit algorithm is designed; s5, designing an enhanced SPP algorithm; s6, performing secondary optimization on the control law output by the SPP algorithm by using a fuzzy PID control algorithm; and S7, fitting a total control law equation in combination with the control algorithm, and converting the control law into the linear speed of the left and right tracks of the crawler-type equipment so as to realize steering and straight movement of the crawler-type equipment. According to the invention, a complex agricultural environment is regarded as a black box system, and item-by-item optimization is carried out by superposing an algorithm with high interpretability, so that the adaptability of a control system to the black box system is improved, and finally, the equipment path tracking precision is improved step by step.

The invention provides a snakelike arm control system design method combining optical fiber angle compensation and a diffusion strategy, and relates to the technical field of mechanical arm control. According to the method, angle feedback is obtained in real time by embedding the fiber bragg grating in each joint, a digital twin environment is constructed in combination with point cloud, a physically constrained diffusion path generation and simulation verification mechanism is adopted, a motion track with high feasibility is generated, and finally high-precision closed-loop control and attitude correction of the snake-shaped arm in a complex environment are achieved.

The application belongs to the field of integrated permanent magnet synchronous motor control system design, and particularly relates to an integrated permanent magnet synchronous motor open loop-closed loop switching control method and a control system. The open loop control is designed at the same time as starting the closed loop calculation. When the open loop output speed reaches the open loop-closed loop switching speed and the closed loop control output target speed reaches the open loop-closed loop switching speed, the open loop control is switched to the closed loop control, and the motor is controlled in the closed loop mode, so that the motor control speed fluctuation is small, the speed following property is good, and the switching process is smooth.

A test method for debugging and verifying a pile hammer control system, which uses a test device with the same lifting device, electric control device and sensor assembly as the pile hammer, and the test device further comprises a simulated hammer core with the same weight as the hammer body of the pile hammer, compared with the prior art which uses an actual production pile hammer prototype for testing, the test cost can be reduced, the design and installation distance of adjacent sensing blocks can be given in advance through the lifting test in the control system design process of the pile hammer, and whether the control system meets the design requirements can be verified in advance through the hitting simulation test before the actual operation of the pile hammer, the comparison is carried out through sensing block measurement and encoder measurement, the measurement accuracy of the encoder is higher than that of the sensing block measurement method actually used on the pile hammer, the case that the pile hammer control system using the sensing block measurement method does not meet the design requirements can be accurately tested, and the control system can be adjusted according to the experimental results before the pile hammer is actually put into production.

The invention discloses a thermal control comprehensive practical training system based on DCS control, and relates to the technical field of thermal control comprehensive practical training, and the system comprises a DCS control practical training unit which is used for building an intelligent DCS control skill practical training room and is developed based on a domestic autonomous controllable DCS control system from the four aspects of decoration layout, a control system, an entity process object and a virtual process object. The thermal control maintenance training unit realizes the multifunctional operation of DCS hardware and system maintenance, DCS software configuration and debugging, control system design and optimization, on-site actual equipment adjustment and calibration and fault diagnosis and analysis, and is used for constructing a professional thermal control maintenance training room covering all thermal control maintenance contents. On the basis of practical training room construction, the intelligent level of the practical training room is comprehensively improved, the training function is expanded, the artificial intelligence technology is introduced into the practical training room construction process, deep recognition and learning of training equipment are completed through the intelligent technology, and intelligentization, real-time performance and scoring autonomy of the training process are achieved.

The application relates to a high-altitude cabin air intake system fixed-time self-anti-interference temperature and pressure decoupling control method. Step 1: defining a high-altitude cabin air intake system, a self-anti-interference temperature and pressure decoupling control system and a novel fixed-time self-anti-interference controller; step 2: establishing a high-altitude cabin air intake system model; step 3: according to the established system model, a self-anti-interference temperature and pressure decoupling control system is designed to realize decoupling design of temperature and pressure environment parameters of the air intake system. Step 4: a novel fixed-time self-anti-interference decoupling controller is designed for the self-anti-interference temperature and pressure decoupling control system based on the fixed-time theory, and a novel fixed-time self-anti-interference temperature and pressure decoupling control system is obtained. Step 5: the novel fixed-time self-anti-interference temperature and pressure control system generates a control input signal according to system temperature and pressure environment parameter output signals. Step 6: the control input signal is input into the high-altitude cabin air intake system and the system is operated to obtain temperature and pressure environment parameter output signals. Step 7: steps 5-6 are repeated.

The invention discloses a control method for intelligent and accurate connection of a high-speed wire packaging machine and a gasket adding device. The control method comprises the following steps: firstly, designing a gasket adding and packaging control mode, a related action time sequence, a logic interlocking condition and an instruction driving unit; then, a gasket feeding in-place signal is transmitted to a packer control system, and a packing time sequence and logic interlocking are updated; the packer control system obtains a prepared signal of the gasket feeding equipment system, performs combined control with a time sequence driving command of the packer control system and designs a new instruction; then, a gasket adding device selection input state signal is transmitted to a packer control system for interlocking combination design; meanwhile, logic combination and signal output design are carried out on relevant states and commands of the packing machine and are transmitted to the gasket adding device; the in-situ state of the baling head and the pressing disc of the baling machine is set as an associated interlocking control signal of the gasket adding device; and finally, a new interlocking program is designed in a gasket adding device control system according to the single-channel and double-channel states of the packing machine, and intelligent and accurate connection of the two is achieved.

The invention discloses a reinforcement learning-based PID (Proportion Integration Differentiation) coupling anti-swing control method for a tower crane, and belongs to the technical field of intelligent control of tower cranes. The method comprises the following steps: designing a coupling signal to enhance under-actuated state control; establishing a discrete state space model of the tower crane; designing a discrete PID controller and constructing a reinforcement learning parameter adaptive mechanism; and controlling the tower crane system to operate. The method is designed for a discrete control system and is completely compatible with a digital controller. Swing angle information is introduced and fed back through a coupling signal, coupling between states is enhanced, and load swing is actively restrained. An Actor-Critic reinforcement learning framework based on a single RBF neural network is adopted to set PID parameters on line, state pre-prediction is not needed, the calculation burden is small, the learning efficiency is high, and the controller can be adaptive to load change and external disturbance. The method is clear in structure and good in real-time performance, the positioning and anti-swing performance of the tower crane is remarkably improved, and engineering implementation is easy.

The present application belongs to the technical field of aircraft wind tunnel virtual free flight test, and specifically relates to a design method and system for a lateral and yaw stabilization control system for aircraft wind tunnel virtual free flight, wherein the design method for a lateral and yaw stabilization control system for aircraft wind tunnel virtual free flight comprises: step one, establishing a scaled-down model lateral and yaw linearized dynamic mathematical model; step two, calculating the scale coefficient of the scaled-down model; step three, determining the design requirements for the lateral and yaw flight quality of the scaled-down model; step four, establishing a lateral and yaw stabilization control law for the scaled-down model; step five, establishing a closed-loop control system for the scaled-down model; step six, optimizing the control law gain parameters in the closed-loop control system of the scaled-down model; and step seven, verifying the closed-loop control system of the scaled-down model.

The utility model discloses a circulation conveying device which comprises a circulation guide rail and an installation block arranged on the circulation guide rail, a driving mechanism capable of driving the installation block and a magnetic traction mechanism are arranged on the circulation guide rail, and the driving mechanism is used for driving the installation block from the input end of a processing station to the output end of the processing station. The magnetic traction mechanism is used for driving the mounting block to the input end from the output end of the processing station; the magnetic traction mechanism and the installation blocks are matched in a magnetic connection mode, the matching mode is simple, the installation blocks can be matched together without high-precision machining, the requirement for the number of the installation blocks on the circulation guide rail is low, the requirement for the distance between the installation blocks is not needed, and the design for a control system of the circulation conveying device is simpler.

The present application belongs to the technical field of aircraft automatic flight control system design, and particularly relates to a trajectory planning and decision-making method for low-altitude penetration and obstacle avoidance scenarios. The method comprises step T1, determining whether there is a new mountain range ahead of the aircraft along the original flight path, and if there is a new mountain range, comparing the decision altitude of the new mountain range with the original flight path altitude; step T2, if the decision altitude of the new mountain range is higher than the original flight path altitude, calculating the radar detection probability based on the decision altitude; step T3, when the radar detection probability is greater than a set value, performing a turning maneuver according to a predetermined turning maneuver algorithm, otherwise, performing a climbing maneuver according to a predetermined climbing maneuver algorithm. The present application improves the aircraft avoidance effect and effectively enhances the survivability of large aircraft.

The invention belongs to the field of flight control system design, and particularly relates to a human-in-the-loop flight control system MBIT detection method and device. The method comprises the steps that a three-axis control instruction is loaded to a cockpit display interface; controlling the three-axis control instruction to change, and synchronously obtaining a control surface deflection angle reference value which is preset in the MBIT equipment, is given by a constraint relation and corresponds to the three-axis control instruction reference value; a three-axis control instruction manual value generated when a driver operates a steering column and pedals and a control surface deflection angle actual value under the three-axis control instruction manual value are obtained; and when the deviation between the three-axis control instruction reference value and the three-axis control instruction artificial value is within a first specified range and the deviation between the control surface deflection angle reference value and the control surface deflection angle actual value is within a second specified range, the test is passed, otherwise, the test is not passed. On the premise of ensuring the safety and reliability of the system, the design complexity and cost input of a hardware circuit are effectively reduced, and the economic benefit of the system is improved.

The application provides a kind of super low orbit satellite moment of mass control technology full physical simulation test method and system, wherein the method comprises: step M1, through ground gravity moment simulation on-orbit mass moment torque characteristics;Step M2, build super low orbit satellite moment of mass control technology full physical simulation system;Step M3, design mass moment control full physical test method, for verifying super low orbit satellite moment of mass control technology.The application can truly simulate the on-orbit working state of the mass moment control system, effectively verify the attitude control process and index of the mass moment control technology, thereby providing a strong basis for the design of the mass moment control system of the super low orbit satellite.

Steering system (40), which includes: a first motor control system (612) configured to send a first command to a first motor (614) in a steering wheel actuator (510); a second motor control system (622) designed to send a second command to a second motor (624) in a road wheel actuator (520); a controller (16) designed to to set a fault indicator by monitoring one or more components of the steering system (40); and to generate a warning injection signal in response to the fact that the fault indicator flag is set; wherein the steering wheel actuator (510) is configured to generate initial driver feedback by modifying the initial command using the warning injection signal and sending the modified initial command to the initial motor (614); and wherein the road wheel actuator (520) is designed to generate a second driver feedback by modifying the second command using the warning injection signal and sending the modified second command to the second motor (624), wherein the warning injection signal comprises a first injection signal and a second injection signal and wherein the controller (16) is further configured to: to generate the first injection signal based on a fault detected in the steering wheel actuator (510); to generate the second injection signal based on a fault detected in the road wheel actuator (520); and to evaluate the first injection signal and the second injection signal in order to generate the warning injection signal.

The invention relates to the field of design of a precision control system combining automatic control and power electronics, in particular to a virtual load power source adjusting method based on improved self-feedback PID (Proportion Integration Differentiation) adjustment. The method comprises the following steps: carrying out feedforward gain calibration and phase pre-compensation quantity calibration before closed-loop control formal operation, and generating a feedforward compensation signal; setting a target reference signal, and collecting an output signal in real time to obtain an instantaneous tracking error; inputting the instantaneous tracking error into an improved self-feedback PID controller to obtain a feedback control output signal, and combining the feedback control output signal with a feedforward compensation signal to form an initial driving signal; and adding hard amplitude limiting protection to the initial driving signal to obtain a final driving signal. The problems that a traditional virtual load power source adjusting method does not consider the dynamic characteristics of a power amplifier channel, a real-time sensing and adjusting mechanism for tracking errors is lacked, the adjusting performance is limited due to the fact that PID parameters are fixed, and control signals are prone to overrun or overload risks are solved.

The present invention belongs to the field of lead-bismuth fast reactor advanced control system design and discloses an advanced control system for a lead-bismuth fast reactor and a design method. The method comprises building a lead-bismuth fast reactor model, wherein the lead-bismuth fast reactor model includes two controlled object models: a reactor core and a direct current steam generator; based on the built lead-bismuth fast reactor model, characteristic analysis of controller output anti-disturbance and anti-noise capabilities is performed for multiple advanced control algorithms to obtain characteristic analysis results corresponding to each advanced control algorithm; based on the characteristic analysis results, a superior advanced control algorithm is screened and obtained; based on the superior advanced control algorithm, a core power self-disturbance controller, a steam pressure internal model controller, and a main steam flow internal model controller are designed, thereby designing an advanced control system for the lead-bismuth fast reactor; the advanced control system designed using the method not only has good response speed and stability, but also ensures that the lead-bismuth fast reactor can meet application requirements of complex operating environments and changeable operating conditions.