35results about How to "Reduce strong coupling" patented technology

The invention provides an axial split-phase internal stator permanent magnet biased magnetic suspension switched reluctance flywheel motor comprising an external rotor, a flywheel and an internal stator. The external rotor is packaged at the internal side of the flywheel in a laminating way. An internal stator iron core and an external rotor iron core are divided into m segments along the axis according to the phase number. The internal side of each segment of external rotor is equidistantly provided with 12 rotor poles along the circumference. The internal stator iron core is provided with 8 narrow tooth main magnetic poles and 4 wide tooth suspension poles. Main pole control coils and suspension control coils are respectively wound on the narrow tooth main magnetic poles and the wide tooth suspension poles. The coils on each narrow tooth main magnetic pole are interconnected in series to form a main pole winding. Every two of the control coils on each segment of wide tooth suspension pole are connected in series so as to form two sets of suspension windings in an orthogonal direction. The size of the system can be reduced and the critical speed of rotation can be enhanced; the suspension supporting loss can be reduced and the operation efficiency can be enhanced; and the stator poles are separately provided with the suspension poles, the main magnetic poles and magnetic isolating rings so that the control algorithm can be simplified and the suspension performance and the decoupling effect can be enhanced.

A VR virtual confrontation training system based on a hierarchical behavior model comprises an environment construction unit, a simulation platform, a simulation resource library, an auxiliary planning unit, a virtual military strength generation unit, a guidance control unit and the like, and a model assembly subunit comprises an entity model assembly module and a behavior model assembly module. The behavior model assembly module realizes hierarchical behavior model assembly based on a hierarchical behavior model, the hierarchical behavior model assembly mainly comprises a brain decision model and a cerebellum action model, and the assembled behavior model performs intelligent decision mainly through analysis of a battlefield situation in combination with a behavior rule model in a simulation resource library, and generates a proper action plan, and driving the physical model of the simulation entity to respond to an action instruction by means of an execution mechanism, thereby completing the response of the virtual force to the battlefield situation. Common elements of the behavior model are abstracted, a universal behavior model system is constructed, and the behavior model structure is separated from specific contents, so that universal and standardized design of the behavior model is realized.

The body attitude leveling control system for emergency rescue vehicles disclosed in the invention comprises a three-axis accelerometer for measuring the acceleration of a low-speed vehicle in real time; a processor which calculates the vehicle body attitude angle based on the acceleration measured by the three-axis accelerometer; a controller which reads the information of the attitude angle of the vehicle body, and compares the attitude angle of the vehicle body with a leveling accurate preset angle of the vehicle in real time to determine whether the vehicle body needs to be leveled and controlled. The vehicle body leveling system of the present invention can adopt a centroid position error leveling method, and combines the active suspension system of the vehicle to control the movementof each suspension hydraulic cylinder of the suspension system to achieve smooth leveling of the vehicle body. The vehicle body leveling system of the present invention can also adopt a coplanar bodyleveling method to keep the suspension hydraulic cylinders of the suspension system and the vehicle body connection point in the same plane movement, thereby improving the speed of the body levelingcontrol.

The invention discloses a twelve-point support based vertical launching platform attitude leveling control method. The method comprises the steps of firstly building a mathematical model of a twelve-point supported vertical launching platform attitude leveling system, adjusting the position through a position error control based attitude leveling method, adjusting the angle through an angle error control based attitude leveling method, and finally carrying out joint simulation on the vertical launching platform attitude leveling system. According to the invention, a control algorithm applicable to twelve-point leveling is explored on the basis of four-point leveling. The algorithm adopts an idea of block leveling and converts complex multi-point leveling into three-point or four-point leveling which is easy to implement, ideal simulation effects in both leveling precision and leveling time are acquired, and excellent servo control performance of a launching platform is ensured.

The embodiment of the application relates to an intelligent vehicle lane changing decision method, apparatus, storage medium and an intelligent vehicle. The intelligent vehicle lane changing decisionmethod includes the steps of determining information about the environment where an intelligent vehicle is currently traveling, wherein the environment information includes trajectory information andlane information; generating a first lane changing decision based on a first decision rule and the environment information; and generating second lane changing decision based on the first lane changing decision and a second decision rule. Based on the intelligent vehicle lane changing decision method, different lane changing decisions are coupled, and the decision rules between the different lanechanging decisions are decoupled, thereby reducing decision rules and avoiding decision efficiency degradation. Meanwhile, since different lane changing decisions deal with different lane changing requests, the rationality of intelligent vehicle lane changing can be raised.

The invention provides a thickness and tension decupling control method for a single stand cold rolling mill. The method comprises the steps that speed compensation dosage corresponding to feedforwardAGC control quantity is obtained through calculation; speed compensation dosage corresponding to design flow AGC control quantity is obtained through calculation; speed compensation dosage corresponding to monitoring AGC control quantity is obtained through calculation; speed compensation dosages corresponding to AGC ways are summed to obtain total speed compensation dosage, the total speed compensation dosage is converted to accelerating torque compensation dosage, the accelerating torque compensation dosage is provided for a transmission control unit of an inlet rolling machine, the transmission control unit controls the torque of the inlet rolling machine, and inlet tension is compensated during thickness control. The inlet tension is controlled in advance according to thickness control quantity, the strong coupling relation between thickness control and tension control is weakened, then, the overall thickness control and tension control precision is improved, and the yield is improved.

The invention discloses a multichannel decoupling temperature control method. The method comprises steps as follows: a transfer function matrix is established between input voltage and output temperature of a temperature control system, step voltage input is provided for the channels one by one respectively, corresponding step ascending curves are acquired, and corresponding parameters of a transfer function are recognized; a decoupling network is designed for decoupling of the temperature control system, and finally, all the channels of the temperature control system are correspondingly and more accurately adjusted and controlled in combination of the decoupled transfer function and an incremental PID (proportion integration differentiation) algorithm. By means of the method, coupling among multiple channels can be greatly reduced, and meanwhile, the temperature control method has the advantages of high temperature curve response speed, small overshooting, short adjusting time and the like, and is particularly applicable to application occasions of various temperature control systems with high coupling.

The invention provides a data synchronization method, device and equipment and a computer readable storage medium, and the method comprises the steps: obtaining the equipment type of searched target Bluetooth equipment, obtaining a target synchronization program corresponding to the equipment type, and enabling the target synchronization program to be used in a cross-platform manner; loading and running the target synchronization program; connecting the target Bluetooth device based on a predefined application programming interface API, and obtaining original data collected by the target Bluetooth device; and synchronizing the original data to an application platform of the target synchronization program by utilizing the target synchronization program. The security of the Bluetooth protocol can be improved by dynamically acquiring the synchronization program; the Bluetooth device is connected through the predefined API, strong coupling between the service layer and the native layer canbe reduced, platform differences and development language differences can be shielded, different application platforms can use the same set of synchronization programs universally, the later maintenance cost of development is reduced, the flexibility of service expansion is enhanced, and the expansion capability is improved.

The invention discloses a method for jumping to a page designated position, a storage medium, a device and a system, which relate to the technical field of application program development. The methodcomprises the following steps that when the corresponding button of the target page in the original page is clicked, the target page is directly opened without transmitting parameter information; after the target page is opened, the HTTP request is sent to the original page to obtain the page data that needs to be loaded in the target page; if the HTTP request is successful, the target page loadsthe page data and feeds back the signal that the page data loads successfully to the original page; after receiving the signal, the original page sends the index information of the specified positionto which it needs to jump to the target page; and the target page jumps to the page at the specified position in the corresponding target page according to the index information. The invention can improve the opening speed of the target page, and at the same time greatly improves the maintainability of the program.

The invention discloses a data filtering method and system based on user permission, and the method comprises the steps: creating a permission organization table which is used for mapping the architecture of business organization nodes with different permissions in a business system; adding a permission attribution dimension column aiming at the business data table to describe a corresponding business organization node in a permission organization table to which the permission of each row of data belongs; when a current user executes data query or modification, generating an SQL statement according to a query or modification instruction; and according to the business organization node of the current user, adding a filtering condition aiming at the permission attribution dimension column in the SQL statement, and according to the filtering condition, limiting the data to be queried or modified to be the data owned by the current user to be the data owned by the data permission, and executing the modified query or modification instruction. Through the technical scheme of the invention, the memory occupation is reduced, the fine granularity and higher flexibility of authority control are maintained, the strong coupling of authority processing and business logic is reduced, and interference is avoided.

The invention discloses a data and object-oriented hybrid modeling method and a storage medium. The method comprises the following steps of: carrying out data analysis on each model, arranging input/output data of the models, and defining function interfaces of the models according to specific business functions of the models; designing the models as independent objects, packaging and abstractingthe objects, and defining member interfaces and member variables of the objects according to the data analysis result; and realizing the function interfaces according to specific business logics of the model. During model attribute and function interface definition, the model data and the function interfaces are described by utilizing an IDL standard; and in a same simulation system, a public dataarea is set for storing all the data generated by the models in the simulation operation period. According to the method and the storage medium, the IDL standard is used for describing the interfacedefinition, so that cross-platform data interaction is convenient; strong coupling relationship among the model objects is reduced, so that the model reusability is improved; and strong dependency between model data and attributes is decreased, so that the tolerance of simulation systems is strengthened.

The invention provides a feedforward compensation method for inlet tension through design flow and thickness control. The strip steel inlet thickness measured through an inlet thickness measurer is delayed to the rolling machine roller gap position; the strip steel outlet thickness value is pre-calculated according to the design flow equation; according to the error between the strip steel outletthickness value and the outlet thickness set value, the design flow AGC speed compensation amount within a sampling period is solved; according to the design flow AGC speed compensation amount withineach sampling period, the design flow AGC speed compensation amount is obtained through a proportional-integral controller; the speed compensating amount is converted into the acceleration compensation amount through the differentiation element; the first-order lag link is used for smooth processing of the acceleration compensation amount and amplitude limiting, the accelerating torque compensation amount of an inlet rolling machine is obtained through conversion, and feedforward compensation for the inlet tension is achieved during design flow AGC enabling. According to the feedforward compensation method, the strong coupling relation between the design flow AGC and inlet tension control is weakened, accordingly, integral thickness control and tension control precision is improved, and the yield is increased.

The invention is suitable for the technical field of data transmission, and provides a data forwarding device, a power supply module and a data forwarding method. The data forwarding device is connected with a plurality of peripherals; the data forwarding device is used for receiving request information sent by a requester peripheral; wherein the request information comprises an address of to-be-forwarded data and an executor ID; the address of the to-be-forwarded data is loaded to a first preset cache region of the target executor peripheral, so that the target executor peripheral extracts the to-be-forwarded data according to information in the first preset cache region for forwarding; wherein the target executor peripheral is a peripheral corresponding to the executor ID. According to the invention, strong coupling among the peripherals can be reduced, so that the complexity of a forwarding program is reduced, and the code quantity is reduced.