140results about How to "Save hardware investment" patented technology

The method and device for identifying running vehicle image may be used in toll gate of expressway and highway, entrance guard, safe guard, city traffic and other fields. By means of robot vision technology, image compression technology, contact and non-contact card read/write technology, and automatic vehicle license plate distinguishing technology, the present invention realizes vehicle identity confirming and raises passing vehicle managing efficiency. The device includes passing card, passing card read/write device, main controlling computer, image acquisition card, video unit, light compensating lighting unit, display and vehicle managing center database server. The method and device of the present invention can identify vehicles accurately and has real-time operation, opening system, convenient use, high performance/cost ratio and other advantages.

A double-input and double-output NDCS unknown time delay hybrid control method belongs to the technical field of a multiple-input and multiple-output NDCS having a limited bandwidth resource. A method using a real network data transmission process between all nodes in a TITO-NDCS to replace a network time delay compensation model between the nodes is brought forward aiming at the problems that, for the TITO-NDCS double input signals and double output signals of which are influenced and coupled with each other and which needs decoupling processing, stability of each closed-loop control circuit is influenced, stability of the whole system is influenced and that even loss of stability of the TITO-NDCS is resulted in due to network time delay of network data during transmission between the nodes. SPC and IMC are separately applied to a circuit of the TITO-NDCS. Measurement, estimation or identification of the network time delay between the nodes can be avoided, a clock signal synchronization requirement is reduced, an influence of a network uncertain time delay on TITO-NDCS stability is lowered, and the control performance quality of the system is improved.

The invention discloses a service implementation method which includes that all the user data are stored in an online charging system; the online charging system acquires the second calling request from the service control point; the second calling request carries the calling number, the called number and the location information of the charged user; wherein, the service control point constructs and sends the second calling request after receiving the first calling request from the user; the online charging system determines the calling authorization, the calling type according to the calling number, the called number and the location information of the charged user, and processes charging according to the stored user data of the charged user. The invention also discloses an online charging system and a service implementation system. Based on the service implementation method, the online charging system and the service implementation system, all the user data are stored in the OCS; the hardware configuration of the SCP is reduced and the service logic is simplified; thereby, the hardware investment of the operator, the workload of the development and maintenance are reduced; the economic benefit of the operator is improved.

The system comprises: server and terminal, both are connected via network. Said server comprises: a server side application program main controller for realizing the system service function and outputting the control instruction according to the service requirement; a peripherals driving unit for receiving the control instruction and outputting the driving instruction to the peripherals; a server side communication unit for communicating with terminal and outputting the peripherals driving instruction. The terminal comprises: terminal communication unit for communicating with the server side communication unit and receiving the peripherals driving instruction; a terminal application program main control unit for identifying all peripherals driving instruction from server side and outputting the peripherals calling instruction according to the peripherals driving instruction; a peripherals simulating unit for simulating the running of peripherals according to the peripherals calling instruction.

The invention discloses a hybrid control method for an uncertain time delay of a two-input and two-output network control system (TITO-NCS), and belongs to the technical field of multi-input and multi-output network control systems with limited bandwidth resources. Aiming at the problems that the two input signals and two output signals of the TITO-NCS are mutually affected, the stability of one closed loop control circuit is affected and the stability of another closed loop control circuit is also affected due to a network time delay generated by transmission of network data among nodes, or even loss of the stability of the TITO-NCS is caused, a compensation model for replacing the uncertain time-delay with network data transmission process among all real nodes in the TITO-NCS is provided; and IMC and SPC hybrid control is carried out on two circuits separately, so that measurement, estimation or recognition of the network time delay among the nodes can be avoided, the requirements of clock signal synchronization of the nodes are avoided, the influence of the uncertain time delay on the stability of the TITO-NCS can be reduced and the control performance quality of the system is improved.

The invention discloses a building method of an optical fiber temperature measuring device which is used for building a temperature measuring device that is applicable to high-voltage power equipment and has better dynamic performance, better measuring precision and lower production cost. The optical fiber temperature measuring device consists of an optical fiber temperature sensor (2) with semiconductor absorption and a neural network inverse dynamic compensator (3) which are serially connected; the optical fiber temperature sensor (2) with semiconductor absorption is used for converting the temperature of measured points into converted photoelectric voltage; the neural network inverse dynamic compensator (3) consists of a differentiator (31) and a static neural network (32), is realized with a single chip micyoco and peripheral equipment, and is used for obtaining dynamic compensation results, finishing the dynamic compensation of the converted photoelectric voltage, and improving the precision and the dynamic performance of temperature measurement.

The invention belongs to the technical field of bandwidth resource limited MIMO-NCSs (multiple-input multiple-output networked control systems) and relates to a two-input two-output networked control system delay compensation SPC (smith predictor control) and IMC (internal model control) method. In order to solve the problems that two-input two-output signals in a TITO-NCS (two-input two-output networked control system) have mutual effect, network delay due to the transmission of network data between nodes affects the stability of one closed-loop control circuit of the system and may also affect the stability of another closed-loop control circuit while even stability loss is caused to the TITO-NCS, it is presented that an inter-node network delay compensation model is replaced by network data transmission process between all true node s in the TITO-NCS, with dynamic feedforward as well as SPC and IMC applied to the two circuits; by using the method of the invention, it is possible to omit the measurement, estimation or identification of inter-node network delay, omit the requirement on node clock signal synchronization, reduce the effect of network delay upon TITO-NCS stability, and improve the control performance quality of the system.

The invention provides a method for designing dislocated scattered cluster environment distributed concurrent processes. The method comprises the steps of step1, monitoring and obtaining operation information of personal computers (PCs) of users in networking, and sorting and sending calculation tasks simultaneously; step2, receiving small division task blocks through the PCs of the users, and performing synchronous calculation on separated coupling data; and step3, collecting the separated coupling data of the PCs of the users in the networking, and performing integration calculation and feedback. According to the method, scattered clusters formed by dislocated client PCs in the same networking can be combined dynamically, data sending operation is monitored in real time, and resources are distributed step-by-step reasonably and dynamically, accordingly, the information system computational efficiency is improved.

The invention discloses a low-cost field bus remote input-output system comprising a control module and an I/O (Input/Output) module; a control program is stored in the control module; the control module is used for managing the I/O module through an internal bus; the acquisition and the conversion of field signals are finished by the I/O module; and field equipment is controlled by the control module through the I/O module. An MODBUS communication protocol is stored in the control module which operates an MODBUS-RTU protocol stack; the MODBUS communication protocol comprises an MODBUS slave station protocol and an MODBUS master station protocol; and the MODBUS master station protocol realizes data acquisition and remote monitoring of the field equipment through the MODBUS slave station protocol. The low-cost field bus remote input-output system is simple in structure and convenient to install. Due to the adoption of RS-485 bus, the workload for design and installation is reduced, and the investment is saved. The low-cost field bus remote input-output system can realize real-time monitoring and controlling functions and has rather high real-time property and reliability.

The invention provides a TITO-NDCS variable network delay compensation method, and belongs to the technical field of bandwidth resource limited MIMO-NDCS. Aiming at the problems of loss of stability of TITO-NDCS and influencing the stability of each closed control loop and influencing the stability of the whole system due to network delay generated by transmission of network data between nodes in the TITO-NDCS in which two-input and two-output signals are mutually influenced and coupled and require to be decoupled, the method that the network data transmission process between all the real nodes in the TITO-NDCS replaces a network delay compensation model is put forward, and two-degree-of-freedom IMC and SPC are performed on the two loops respectively so that measurement, estimation or identification of the network delay between the nodes can be omitted, the synchronization requirement of node clock signals can be omitted, the influence of the variable network delay on the stability of the TITO-NDCS can be reduced and the system control performance quality can be improved.

This system consists of PHS/3G twin modes mobile terminal (TMMT), PHS net and 3G mobile net (3MN). When the 3G user uses TMMT and selects prior accessing 3MN mode, 3MN is auto prior accessed. However, in case only PHS wireless signal exists, PHS wireless net is auto accessed. Via the mutual connection between the PHS core net and the 3G core net, the user authentication and the position renewing are realized in the 3G core net while the call is built in the PHS core net. Here, the PHS net is treated as an accessing subnet of 3G net. The structure of this system and terminal are simple. This invention possesses extensive practical application and magnificent meaning. This invention solves the problem of hardly offering comm. service due to the shortage of net covering during the first built stage of 3G net. This invention offers the roaming function for the PHS single mode terminals using 3G number. After obtaining the 3G mobile license, the runner of the solid net can utilize the existed PHS net to offer users a better mobile comm. service.

An energy router for electric energy quality comprehensive control and power optimization comprises a series transformer, a grid side isolation converter, a load side converter, a function switching switch Si, and a centralized controller. The invention provides a novel low-voltage energy router which integrates a unified electric energy quality controller and a power optimization function and a control method thereof. Through the novel low-voltage energy router arranged between a network-side high-voltage AC bus and a load-side low-voltage AC bus of a smart distribution network, the control method determines the fault condition according to the sampling signal provided by the detecting unit, performs function selection, generates control commands and performs control, and realizes power quality comprehensive management and power optimization functions with minimum hardware cost. The energy router and the control method thereof can be widely used in factories, businesses, homes and schools.

The invention discloses a random time delay compensation method for a TITO-NDCS (two-input and two-output networked decoupling control system) and belongs to the technical field of multiple-input and multiple-output networked decoupling control systems with limited bandwidth resources. As for the TITO-NDCS with two-input and two-output signals mutually affected and coupled requiring decoupling, in consideration that network time delay generated in a transmission process of network data among nodes affects stability of respective closed-loop control loops and the whole system and even leads to that the TITO-NDCS loses stability, the method for substituting a network data transmission process among all real nodes in the TITO-NDCS for a network time delay compensation model is put forward, so that measurement, estimation or identification of the network time delay among the nodes can be avoided, requirements on clock signal synchronization are lowered, influences of random time delay on stability of the TITO-NDCS are lowered and system control performance quality is improved.

The invention provides a long delay compensation method for two-input and two-output networked decoupling control systems, and belongs to the technical field of bandwidth resource limited MIMO-NDCS. Aiming at the problems of loss of stability of TITO-NDCS and influencing the stability of each closed control loop and influencing the stability of the whole system due to network delay generated by transmission of network data between nodes in the TITO-NDCS in which two-input and two-output signals are mutually influenced and coupled and require to be decoupled, the method that the network data transmission process between all the real nodes in the TITO-NDCS replaces a network delay compensation model is put forward, and SPC and IMC are performed on the two loops respectively so that measurement, estimation or identification of the network delay between the nodes can be omitted, the synchronization requirement of clock signals can be reduced, the influence of long delay on the stability of the TITO-NDCS can be reduced and the system control quality can be improved.

The invention relates to the technical field of urban parking management, in particular to a method for applying an electronic identifier of a motor vehicle to a parking lot gate. An internet parsingmode is employed to place a decoding terminal at the back end of the Internet, an electronic license plate of a motor vehicle is read through a reading device and information is transmitted to a management computer, the management computer performs random encryption of the read information, the Internet technology is employed to transmit the information to a server at the rear end of the network,the server transmits the received information to the decoding terminal, the decoding terminal performs random code verification decoding of the received information and performs verification and decoding of the encrypted electronic license plate information through a safety module PSAM in the decoder to obtain the vehicle information of the motor vehicle and send the decoded vehicle information after random encryption to the server, the server transmits the information back to the management computer through the Internet, and the management computer performs decryption of the random encryptionand records and stores the vehicle information after decryption so as to complete obtaining of the vehicle information of the electronic license plate.

The invention relates to a method for compensating the uncertain time delay of a double-input-output network decoupling control system, belongs to the technical field of multi-input-output network decoupling control systems with limited bandwidth resources, and aims to solve the problems that the double-input-output signals of TITO-NDCS affect each other and are coupled and need to be decoupled, the time delay generated during network data transmission among nodes affects the stability of each closed-loop control loop and the stability of the whole system, and even TITO-NDCS instability is caused. The method which uses the network data transmission process among all real nodes in the TITO-NDCS to replace network time delay compensation models among the nodes has the advantages that measuring, estimation or identification of the network time delay among the nodes can be avoided, clock signal synchronization requirements are lowered, influence of the uncertain network time delay on TITO-NDCS stability is lowered, and system control performance quality is improved.

The invention provides a network delay compensation method of two-input and two-output networked decoupling control systems (TITO-NDCS), and belongs to the technical field of bandwidth resource limited MIMO-NDCS. Aiming at the problems of loss of stability of the TITO-NDCS and influencing the stability of respective closed control loops and influencing the stability of the whole system due to network delay generated by the transmission process of network data between nodes in the TITO-NDCS in which two-input and two-output signals are mutually influenced and coupled and require to be decoupled, the method that the network data transmission process between all the real nodes in the TITO-NDCS replaces a network delay compensation model is put forward so that measurement, estimation or identification of the network delay between the nodes can be omitted, the synchronization requirement of clock signals can be reduced, the influence of the network delay on the stability of the TITO-NDCS can be reduced and the control performance quality of the system can be improved.

The invention discloses a time-varying time delay compensation method for a TITO-NDCS (two-input and two-output networked decoupling control system) and belongs to the technical field of multiple-input and multiple-output networked decoupling control systems with limited bandwidth resources. As for the TITO-NDCS with two-input and two-output signals mutually affected and coupled requiring decoupling, in consideration that network time delay generated in a transmission process of network data among nodes affects stability of respective closed-loop control loops and the whole system and even leads to that the TITO-NDCS loses stability, the method for substituting a network data transmission process among all real nodes in the TITO-NDCS for a network time delay compensation model is put forward, so that measurement, estimation or identification of the network time delay among the nodes can be avoided, requirements on clock signal synchronization are lowered, influences of time-varying time delay on stability of the TITO-NDCS are lowered and system control performance quality is improved.

A compensation method for long network time delay of a TITO-NDCS belongs to the technical field of an MIMO-NDCS with limited bandwidth resource. In the TITO-NDCS in which two input signals and two output signals affect one another and are coupled and decoupling processing is required, because of network delay generated in a network data transmission process between nodes, not only is stability of a respective closed control loop reduced, but also stability of the whole system is reduced, and even un-stability of the TITO-NDCS is caused. According to the method of the invention, a network data transmission process between all real nodes in the TITO-NDCS replaces a network time delay compensation model between the nodes, and furthermore two-freedom IMC and SPC are applied to two loops, thereby avoiding measurement, estimation or identification for network time delay between the nodes, reducing a clock signal synchronization requirement, reducing effect of the long network time delay to stability of the TITO-NDCS, and improving system control quality.

The invention discloses an unknown time delay hybrid control method of a two-input two-output networked decoupling control system and belongs to the technical field of a MIMO (multiple-input multiple-output)-NDCS (networked decoupling control system) with limited bandwidth resources. Aiming at a TITO (two-input two-output)-NDCS with two-input two-output signals mutually influenced and coupled and needing to be processed through decoupling, network time delay caused by transmission of network data among nodes has influence on both stability of each closed-loop control loop and stability of the whole system and even leads to instability of the TITO-NDCS, a network of using the network data transmission process among all real nodes in the TITO-NDCS to replace a network time delay compensation model thereamong is put forward, and SPC (Smith predictor control) and IMC (internal model control) are respectively implemented on two loops, so that measurement, estimation or recognition of network time delay among the nodes can be omitted, clock signal synchronization requirements can be lowered, influence of unknown network time delay on stability of the TITO-NDCS can be lowered, and control quality of the system can be improved.

The invention provides a two-input two-output NDCS unknown time delay compensation and IMC method and belongs to the technical field of bandwidth resource limited multiple-input-multiple-output networked decoupling control systems. For the TITO-NDCS, where two-input and two-output signals are mutually influenced and coupled, and need decoupling processing, since network delay of network data generated in the inter-node transmission process not only influences stability of each closed-loop control loop, but also influences stability of the whole system, or even causes loss of stability of the TITO-NDCS, a method of using a real network data transmission process between all nodes in the TITO-NDCS to replace network delay compensation models is proposed, and IMC is carried out on loops thereof, thereby avoiding measurement, estimation or identification of network delay between nodes, reducing requirement for clock signal synchronization, reducing influence of unknown time delay on stability of the TITO-NDCS, and improving quality of control performance of the system.

The invention belongs to the technical field of bandwidth resource limited MIMO-NCSs (multiple-input multiple-output networked control systems) and relates to a two-DOF (degree of freedom) IMC (internal model control) and SPC (smith predictor control) method for compensating uncertain delay in TITO-NCS (two-input two-output networked control system). In order to solve the problems that two-input two-output signals in a TITO-NCS (two-input two-output networked control system) have mutual effect, network delay due to the transmission of network data between nodes affects the stability of one closed-loop control circuit of the system and may also affect the stability of another closed-loop control circuit while even stability loss is caused to the TITO-NCS, it is presented that an inter-node network delay compensation model is replaced by network data transmission process between all true nodes in the TITO-NCS, with dynamic feedforward as well as two-DOF IMC and SPC applied to the two circuits; by using the method of the invention, it is possible to omit the measurement, estimation or identification of inter-node network delay, omit the requirement on node clock signal synchronization, reduce the effect of uncertain network delay upon TITO-NCS stability, and improve the control performance quality of the system.

The invention discloses a two-input and two-output networked decoupling control system large network time delay IMC method, and belongs to the MIMO-NDCS technology field having limited bandwidth resources. By aiming at influences and coupling between two-input and two-output signals, decoupling processing of TITO-NDCS is required, and because of the network time delay generated by transmission of network data among nodes, stabilities of various closed-loop control circuits are affected, and stability of a whole system is affected, and then the problem of the loss of the stability of the TITO-NDCS can be even caused. The method of using the process of the network data transmission among all of the actual nodes of the TITO-NDCS to replace a network time delay compensation model is provided, and two-freedom degree IMC and one-freedom degree are carried out on the two closed loop control circuits, and therefore the measurement, the estimation, or the identification of the network time delay among the nodes are eliminated, a requirement on synchronization of node clock signals is lowered, the influences of the network time delay on the stability of the TITO-NDCS are reduced, and system control performance quality is improved.

The invention discloses an unknown network time delay compensation and control method for NPCCS (networked parallel cascade control systems), and belongs to the technical field of single-input and double-output networked control systems with limited bandwidth resources. For the problems that in the NPCCS, due to a network time delay generated when network data is transmitted between nodes, the control performance quality of the NPCCS is reduced and even the systems lose stability, it is proposed that all real network data transmission processes in the NPCCS replace an inter-node network time delay compensation model; controller end-based two-degree-of-freedom IMC and controller end-based SPC are implemented for a primary closed control loop and a secondary closed control loop respectively;and the measurement, estimation or identification of the inter-node network time delay is removed from the system structure, so that the influence of an unknown network time delay on the NPCCS stability is reduced, the control performance quality of the system is improved, and the compensation and control of the unknown network time delay are realized.

The invention provides a network delay two-degree-of-freedom IMC method of two-input and two-output networked control systems, and belongs to the technical field of bandwidth resource limited MIMO-NCS. Aiming at the problems of loss of stability of TITO-NCS and influencing the stability of its own closed control loop and influencing the stability of another closed control loop due to network delay generated by transmission of network data between nodes in the TITO-NCS in which two-input and two-output signals are mutually influenced, the method that the network data transmission process between all the real nodes in the TITO-NCS replaces a network delay compensation model is put forward, and two-degree-of-freedom IMC is performed on the two loops. With application of the method, measurement, estimation or identification of the network delay between the nodes can be omitted, the synchronization requirement of node clock signals can be omitted, the influence of the network delay on the stability of the TITO-NCS can be reduced and the control performance quality of the system can be improved.