CN102520678A - Remote control system for active reflection panel of radio telescope - Google Patents
Remote control system for active reflection panel of radio telescope Download PDFInfo
- Publication number
- CN102520678A CN102520678A CN2011103471031A CN201110347103A CN102520678A CN 102520678 A CN102520678 A CN 102520678A CN 2011103471031 A CN2011103471031 A CN 2011103471031A CN 201110347103 A CN201110347103 A CN 201110347103A CN 102520678 A CN102520678 A CN 102520678A
- Authority
- CN
- China
- Prior art keywords
- displacement
- terminal node
- main control
- data
- ethernet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a remote control system for an active reflection panel of a radio telescope. The remote control system comprises an active reflection panel, a plurality of displacement actuators, a plurality of displacement sensors, a plurality of terminal nodes, an Ethernet switch and a main control computer, wherein the active reflection panel comprises a plurality of fan-shaped subpanels, the displacement actuators are arranged on the back surfaces of the fan-shaped subpanel and driven by a stepping motor to operate, two displacement sensors are arranged on adjacent edges of the subpanels; each terminal node is connected with respective displacement actuator and displacement sensor; the main control computer calculates and decomposes the received control parameters into addresses of the terminal nodes and displacements of the actuators, and sends the addresses of the terminal nodes and the displacements of the actuators to the terminal nodes; the Ethernet equipment is connected with the terminal nodes and the main control computer, and used for transmitting data; each terminal node receives an instruction of the main control computer, drives the stepping motor to rotate, and further drives the displacement actuators to move; and the terminal nodes collect data of the displacement sensors as displacement information of the actuators and feed the displacement information back to the main control computer to form a control closed loop.
Description
Technical field
The present invention is an initiatively panel tele-control system of a kind of radio astronomical telescope, is specifically related to a kind of heavy caliber active optics submillimeter-wave telescope Reflector Panel embedded ethernet communication and control system.
Background technology
The present invention is the part of state natural sciences fund main project " heavy caliber active optics submillimeter wave/millimetric-wave telescope scheme and Study on Key Technique (10833004) ".
In the design-build of heavy caliber radio astronomical telescope, splicing minute surface active optics technology obtains increasing application.An emphasis realizing this technology is to manufacture and design the initiatively kinetic control system of Reflector Panel.With existing splicing minute surface technical application instance, the hardware configuration of this system mainly comprises main control computer, communication network, terminal node and topworks.Main control computer uses industrial computer or desktop PC, the program of operation monitoring whole front panel kinematic system.Communication network can be one or more in CAN, RS-232, RS-485, LonWorks, Ethernet and other the current modes, when two kinds of different type networks are connected together, use corresponding conversion equipment.Terminal node commonly uses industrial computer, single-borad computer or motion control integrated circuit board, and the power output circuit of control actuator operation also will be arranged simultaneously.Its major function is to receive and explain the instruction of execution main control computer, the motion of control actuator, feedback motion state.The quantity of terminal node can have one or more according to actual conditions.Execution architecture is stepper motor, actuator and additional mechanical hook-up.
Current in the world at the employing of building and building up look in the distance GBT, LMT, the CCAT of the U.S. of the radio of Reflector Panel initiatively, gondola Noto, 65 meter radio telescopes of FAST of China and Shanghai Observatory etc.With gondola Noto is example, and his main control computer is a PC in the pulpit.Terminal node is made up of a built-in PC card (PC EMBEDDED BOARD) and four multiplexed cards.The PC cartoon is crossed the RS-485 bus and is received the main control computer instruction, and output data is to multiplexed card.The PC card is responsible for bus management, and the output data content is address and actuator displacement.Four multiplexed cards link to each other with four connecting boxes respectively.Each connecting box has 12 output ports, and each output port constitutes a RS-485 bus, and actuator just is articulated on the bus.The actuator of Noto is a cover Mechatronic device, in a can, Electric Machine Control driving circuit, transformer, stepper motor and mechanical transmission mechanism has been installed.The data that transmit on the RS-485 bus are by after the control circuit reception and explaining, drive motor moves.The Noto initiatively communication system of Reflector Panel is made up of many RS-485 bus-networks.The benefit of this network structure be simple in structure, wiring is relatively easy.But when bus broke down, coupled terminal all will be affected.
The CN1113668.5 patent has designed a kind of actuator control method different with Noto, and it adopts industrial computer PC104 to constitute control enclosure as terminal node, terminal node is inner integrated electric machine controller, motor driver and position detecting circuit.The direct control step motor movement of control enclosure.A plurality of terminal nodes link to each other through switch with main control computer, constitute Star Network.Each node address is fixed on the network, works alone, and can locate fast when breaking down, and is all very convenient to the replacing or the maintenance of node.
Summary of the invention
The objective of the invention is to overcome the defective of prior art, a kind of radio telescope active reflecting plane plate tele-control system is provided, its network topology adopts hub-and-spoke configuration, through the switch cascade, can hold abundant node.
Technical scheme of the present invention is: a kind of radio telescope active reflecting plane plate tele-control system, and this system is made up of active Reflector Panel, some displacement actuators, some displacement transducers, some terminal nodes, Ethernet switch and main control computer; Initiatively Reflector Panel is made up of the fan-shaped sub-panel of polylith, and displacement actuator is laid at each sub-panel back side, and displacement actuator is moved by step motor drive, and two displacement transducers are placed on the limit that sub-panel is adjacent; Each terminal node is connected with separately displacement actuator, displacement transducer; Main control computer calculates the controlled variable that receives and is decomposed into the address and the actuator displacement of terminal node, and is dealt into terminal node; Ethernet device connecting terminal node and main control computer, bearer data transmission; Each terminal node receives the main control computer instruction, the drive stepping motor rotation, and then drive the displacement actuator motion; Terminal node collection displacement transducer data feed back to main control computer as the displacement information of actuator, constitute the control closed loop; Adopt the Transmission Control Protocol Data transmission between said main control computer and terminal node, DSP uses embedded ethernet protocol stack resolution data bag, and application program is to protocol stack registered callbacks function, at the call back function inner analysis and carry out steering order.
In the present technique scheme:
Said main control computer is meant to have the ethernet communication function, graphical display function, can move the IBM compatible of graphical user interface program; Ethernet device is meant Ethernet switch, RJ-45 connector and uses the Category-5 twisted pair of the EIA/TIA568B mode of connection;
Said terminal node is a radio telescope active reflecting plane plate circuit for remotely controlling, adopts dsp chip as master controller, is made up of master controller, motor drive module, network communication module, data acquisition module and power circuit.
The network communication module of said terminal node be the Ethernet Adaptation Unit chip as network interface controller, inner integrated data memory buffer, MAC and PHY.Ethernet Adaptation Unit and DSP comprise a clock line and two data lines through the spi bus Data transmission.The interrupt pin of Ethernet Adaptation Unit links to each other with the external interrupt pin of DSP.The network data transmitting-receiving port of adapter links to each other with the RJ-45 interface of inner integrated network transformer.Use a termination of the Category-5 twisted pair of the EIA/TIA568B mode of connection to go into the RJ-45 interface, the other end is connected to switch.
The inside FLASH storer of said dsp chip embeds Ethernet protocol stack and network adapter driver.Ethernet Adaptation Unit can be received and dispatched Ethernet II and IEEE802.3 format data frame.The Ethernet protocol stack can be resolved agreements such as IP, ARP, TCP.Terminal node adopts Transmission Control Protocol to communicate by letter with main control computer.Application program is to protocol stack registered callbacks function, and call back function parses steering order in the tcp data bag of input, and calls related function and carry out steering order.
Said data collecting module collected displacement transducer signal; Simulating signal is after voltage amplifier circuit is amplified to A/D converter useful range scope; Get into voltage follower circuit adjustment impedance, get into the mould/number conversion circuit of dsp chip then, under DSP control, convert digital quantity into.
Said terminal node is carried out the following step:
Step 1 initialization: the control register of initialization dsp chip inner peripheral equipment; The control register of initialization Ethernet Adaptation Unit, the data transmit-receive buffer zone address is set; The protocol stack initialization will be provided with the IP address and the MAC Address of this terminal node, and the protocol stack internal storage region is set, and is various data structure storage allocations space, a variety of protocol is set handles function; Application initialization;
The interrupt request of step 2 listens for network adapter; After Ethernet Adaptation Unit is received ethernet frame, send look-at-me to DSP; DSP responds interruption, copies to the inner storage space of protocol stack to the data in the Ethernet Adaptation Unit send buffer, transfers to protocol stack Frame is resolved;
Step 3 is if receive the status poll instruction, and then the invocation protocol stack sends oneself state to main control computer; If receive the displacement actuator steering order, then call the Electric Machine Control function, the motor operation of control bit displacement actuator; In the displacement actuator operation, data acquisition program begins to gather the displacement transducer displacement data, and the target location that provides in constantly comparing present bit displacement actuator position and instructing; After difference satisfies error requirements between displacement actuator current location and target location, stop machine operation, to send to main control computer and accomplish message, a displacement actuator position adjustment finishes.
The present invention is the further improvement on CN1113668.5 patented technology scheme basis.Use the master controller of DSP, use the Ethernet adapter, built-in network protocol stack and Electric Machine Control application program are cured to dsp chip inside, constitute the littler terminal node of volume as communication interface as terminal node.Network topology adopts hub-and-spoke configuration, through the switch cascade, can hold abundant node.
Description of drawings
Fig. 1 is an initiatively Reflector Panel control system structured flowchart of the embodiment of the invention 1;
Fig. 2 is the embodiment of the invention 1 a terminal node structured flowchart;
Fig. 3 is the embodiment of the invention 1 a terminal node control flow chart.
Embodiment
Do below in conjunction with embodiment and to specify.
Embodiment 1, and is as shown in Figure 1, and a kind of radio telescope active reflecting plane plate tele-control system is made up of active Reflector Panel, some displacement actuators, some displacement transducers, some terminal nodes, Ethernet switch and main control computer.Initiatively Reflector Panel is made up of the fan-shaped sub-panel of polylith, and displacement actuator is laid at the sub-panel back side, and displacement actuator is moved by step motor drive.Two displacement transducers are placed on the limit that sub-panel is adjacent.
The sub-panel number is got 210, and 4 displacement actuators are laid at the every sub-panel back side, then uses totally 840 of displacement actuators in the present embodiment; Each terminal node is only controlled a displacement actuator, then uses 840 of terminal nodes; Network access device uses the Ethernet switch of N platform 48 ports, numbers from 1 to N.Wherein No. 2 to N number N-1 platform is cascaded to switch No. 1, removes 1 port that cascade takies, and every remaining 47 ports of switch are connected with terminal node.No. 1 switch does not link to each other with terminal node, only links to each other with main control computer with following layer switch.Then the relational expression of N and terminal node number is:
（N?–?1）?×?47?≥?840
N smallest positive integral value is 19, promptly wants 19 switches.
As shown in Figure 2, terminal node 10 is radio telescope active reflecting plane plate circuit for remotely controlling, adopts dsp chip as master controller, is made up of master controller 1, motor drive module 2, network communication module 3, data acquisition module 4, power circuit.
Network communication module 3 be the Ethernet Adaptation Unit chip as network interface controller, inner integrated data memory buffer, MAC and PHY.Ethernet Adaptation Unit and DSP comprise a clock line and two data lines through the spi bus Data transmission.The interrupt pin of Ethernet Adaptation Unit links to each other with the external interrupt pin of DSP.The network data transmitting-receiving port of adapter links to each other with the RJ-45 interface of inner integrated network transformer.Use a termination of the Category-5 twisted pair of the EIA/TIA568B mode of connection to go into the RJ-45 interface, the other end is connected to switch.Data acquisition module 4 is gathered displacement transducer signal; Simulating signal gets into voltage amplifier circuit after voltage follower circuit adjustment impedance; Be amplified to the mould/number conversion circuit that gets into dsp chip after the A/D converter useful range scope, under DSP control, convert digital quantity into.
The inside FLASH storer of dsp chip embeds Ethernet protocol stack and network adapter driver.Ethernet Adaptation Unit can be received and dispatched Ethernet II and IEEE802.3 format data frame.The Ethernet protocol stack can be resolved agreements such as IP, ARP, TCP.Terminal node adopts Transmission Control Protocol to communicate by letter with main control computer.Application program is to protocol stack registered callbacks function, and call back function parses steering order in the tcp data bag of input, and calls related function and carry out steering order.
The main control computer control program to terminal node transmit status query statement, is inquired about each SOT state of termination after starting.Terminal node response query statement, system gets into duty.Each terminal node uses fixed ip address, can locate no response terminal position fast.
Workflow after terminal node powers on such as Fig. 3.At first to carry out a series of initialization: the control register of initialization dsp chip inner peripheral equipment to software and hardware; The control register of initialization Ethernet Adaptation Unit, the data transmit-receive buffer zone address is set; The protocol stack initialization will be provided with the IP address and the MAC Address of this terminal node, and the protocol stack internal storage region is set, and is various data structure storage allocations space, a variety of protocol is set handles function etc.; The application initialization stage is to protocol stack registered callbacks function.
After initial work was accomplished, DSP began the interrupt request of listens for network adapter.After Ethernet Adaptation Unit is received ethernet frame, send look-at-me to DSP.DSP responds interruption, copies to the inner storage space of protocol stack to the data in the Ethernet Adaptation Unit send buffer, transfers to protocol stack Frame is resolved.Resolving at first is to extract frame type field, transfers to the different agreement processing module according to frame type and handles.What present embodiment used is Transmission Control Protocol, and the TCP bag is to be encapsulated within the IP bag, and IP bag data are according to RFC 894 standard packaging.The IP bag is resolved and will be handled packet header earlier, comprises the extraction packet length, and data integrity verifying confirms whether destination address can receive, and judges IP address class type etc.Resolve the data field of IP bag afterwards, if the processing protocol of judgment data field is after finding to be the Transmission Control Protocol type, the processing stage of then getting into TCP.TCP handles and also carried out integrity verification before this, removes data packet header, afterwards data field is transferred to the Transmission Control Protocol call back function of initial phase registration.So far, protocol stack is accomplished the parsing work of packet, the processing stage of getting into user program.
User program is explained execution command, if receive the status poll instruction, then the invocation protocol stack sends oneself state to main control computer.If receive the displacement actuator steering order, then call the Electric Machine Control function, the motor operation of control bit displacement actuator.In the displacement actuator operation, data acquisition program begins to gather the displacement transducer displacement data, and the target location that provides in constantly comparing present bit displacement actuator position and instructing.After difference satisfies error requirements between displacement actuator current location and target location, stop machine operation, to send to main control computer and accomplish message, a displacement actuator position adjustment finishes.
Claims (6)
1. radio telescope active reflecting plane plate tele-control system, this system is made up of active Reflector Panel, some displacement actuators, some displacement transducers, some terminal nodes, Ethernet switch and main control computer; Initiatively Reflector Panel is made up of the fan-shaped sub-panel of polylith, and displacement actuator is laid at each sub-panel back side, and displacement actuator is moved by step motor drive, and two displacement transducers are placed on the limit that sub-panel is adjacent; Each terminal node is connected with separately displacement actuator, displacement transducer; It is characterized in that main control computer calculates the controlled variable that receives and is decomposed into the address and the actuator displacement of terminal node, and is dealt into terminal node; Ethernet device connecting terminal node and main control computer, bearer data transmission; Each terminal node receives the main control computer instruction, the drive stepping motor rotation, and then drive the displacement actuator motion; Terminal node collection displacement transducer data feed back to main control computer as the displacement information of actuator, constitute the control closed loop; Adopt the Transmission Control Protocol Data transmission between said main control computer and terminal node, DSP uses embedded ethernet protocol stack resolution data bag, and application program is to protocol stack registered callbacks function, at the call back function inner analysis and carry out steering order.
2. tele-control system according to claim 1; It is characterized in that; Said terminal node is a radio telescope active reflecting plane plate circuit for remotely controlling; Adopt dsp chip as master controller, form by master controller, motor drive module, network communication module, data acquisition module and power circuit.
3. tele-control system according to claim 2 is characterized in that, the network communication module of said terminal node be the Ethernet Adaptation Unit chip as network interface controller, inner integrated data memory buffer, MAC and PHY.
4. tele-control system according to claim 2; It is characterized in that; The inside FLASH storer of said dsp chip embeds Ethernet protocol stack and network adapter driver, and Ethernet Adaptation Unit can be received and dispatched Ethernet II and IEEE802.3 format data frame.
5. tele-control system according to claim 2; It is characterized in that; Said data collecting module collected displacement transducer signal, simulating signal get into voltage follower circuit adjustment impedance after voltage amplifier circuit is amplified to A/D converter useful range scope; Get into the mould/number conversion circuit of dsp chip then, under DSP control, convert digital quantity into.
6. tele-control system according to claim 2 is characterized in that, said terminal node is carried out the following step:
Step 1 initialization: the control register of initialization dsp chip inner peripheral equipment; The control register of initialization Ethernet Adaptation Unit, the data transmit-receive buffer zone address is set; The protocol stack initialization will be provided with the IP address and the MAC Address of this terminal node, and the protocol stack internal storage region is set, and is various data structure storage allocations space, variety of protocol is set handles function; Application initialization;
The interrupt request of step 2 listens for network adapter; After Ethernet Adaptation Unit is received ethernet frame, send look-at-me to DSP; DSP responds interruption, copies to the inner storage space of protocol stack to the data in the Ethernet Adaptation Unit send buffer, transfers to protocol stack Frame is resolved;
Step 3 user program is explained execution command; If receive the status poll instruction, then the invocation protocol stack sends oneself state to main control computer; If receive the displacement actuator steering order, then call the Electric Machine Control function, the motor operation of control bit displacement actuator; In the displacement actuator operation, data acquisition program begins to gather the displacement transducer displacement data, and the target location that provides in constantly comparing present bit displacement actuator position and instructing; After difference satisfies error requirements between displacement actuator current location and target location, stop machine operation, to send to main control computer and accomplish message, a displacement actuator position adjustment finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103471031A CN102520678A (en) | 2011-11-04 | 2011-11-04 | Remote control system for active reflection panel of radio telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103471031A CN102520678A (en) | 2011-11-04 | 2011-11-04 | Remote control system for active reflection panel of radio telescope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102520678A true CN102520678A (en) | 2012-06-27 |
Family
ID=46291631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103471031A Pending CN102520678A (en) | 2011-11-04 | 2011-11-04 | Remote control system for active reflection panel of radio telescope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102520678A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880131A (en) * | 2012-09-14 | 2013-01-16 | 中国科学院国家天文台南京天文光学技术研究所 | Software control method applied to Antarctic astronomical telescope |
| CN105740554A (en) * | 2016-02-02 | 2016-07-06 | 西安电子科技大学 | Gain-oriented large-scale deformed parabolic antenna panel precision adjusting method |
| CN105827312A (en) * | 2016-04-28 | 2016-08-03 | 中国科学院国家天文台南京天文光学技术研究所 | Visible light communication method controlled by active reflector of radio astronomy-telescope and device thereof |
| WO2017198157A1 (en) * | 2016-05-18 | 2017-11-23 | 上海跃盛信息技术有限公司 | Solid-surface reflector for microwave reflection |
| CN108227581A (en) * | 2018-01-04 | 2018-06-29 | 中国科学院国家天文台 | A kind of actuator monitoring, control and debugging system and its application method |
| CN113422479A (en) * | 2021-06-07 | 2021-09-21 | 中国科学院国家天文台南京天文光学技术研究所 | Multi-unit spliced arc motor data acquisition system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006180141A (en) * | 2004-12-21 | 2006-07-06 | Mitsubishi Heavy Ind Ltd | Radio communications system |
| CN201477439U (en) * | 2009-09-02 | 2010-05-19 | 沙毅 | Networked controller |
| CN101826659A (en) * | 2010-03-05 | 2010-09-08 | 中国科学院国家天文台南京天文光学技术研究所 | Active control method of main reflecting surface of 65-meter radio telescope |
| CN101950861A (en) * | 2010-03-05 | 2011-01-19 | 中国科学院国家天文台南京天文光学技术研究所 | Active control system of 65m radio telescope primary reflecting surface |
-
2011
- 2011-11-04 CN CN2011103471031A patent/CN102520678A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006180141A (en) * | 2004-12-21 | 2006-07-06 | Mitsubishi Heavy Ind Ltd | Radio communications system |
| CN201477439U (en) * | 2009-09-02 | 2010-05-19 | 沙毅 | Networked controller |
| CN101826659A (en) * | 2010-03-05 | 2010-09-08 | 中国科学院国家天文台南京天文光学技术研究所 | Active control method of main reflecting surface of 65-meter radio telescope |
| CN101950861A (en) * | 2010-03-05 | 2011-01-19 | 中国科学院国家天文台南京天文光学技术研究所 | Active control system of 65m radio telescope primary reflecting surface |
Non-Patent Citations (1)
| Title |
|---|
| 黄浩等: "基于以太网的FAST主动反射面控制系统的开发", 《计算机工程与应用》 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880131A (en) * | 2012-09-14 | 2013-01-16 | 中国科学院国家天文台南京天文光学技术研究所 | Software control method applied to Antarctic astronomical telescope |
| CN102880131B (en) * | 2012-09-14 | 2015-01-14 | 中国科学院国家天文台南京天文光学技术研究所 | Software control method applied to Antarctic astronomical telescope |
| CN105740554A (en) * | 2016-02-02 | 2016-07-06 | 西安电子科技大学 | Gain-oriented large-scale deformed parabolic antenna panel precision adjusting method |
| CN105740554B (en) * | 2016-02-02 | 2018-10-09 | 西安电子科技大学 | A kind of large-scale deformation parabola antenna panel precision regulation method towards gain |
| CN105827312A (en) * | 2016-04-28 | 2016-08-03 | 中国科学院国家天文台南京天文光学技术研究所 | Visible light communication method controlled by active reflector of radio astronomy-telescope and device thereof |
| WO2017198157A1 (en) * | 2016-05-18 | 2017-11-23 | 上海跃盛信息技术有限公司 | Solid-surface reflector for microwave reflection |
| CN107404006A (en) * | 2016-05-18 | 2017-11-28 | 上海跃盛信息技术有限公司 | A kind of solid face reflector for microwave reflection |
| CN108227581A (en) * | 2018-01-04 | 2018-06-29 | 中国科学院国家天文台 | A kind of actuator monitoring, control and debugging system and its application method |
| CN113422479A (en) * | 2021-06-07 | 2021-09-21 | 中国科学院国家天文台南京天文光学技术研究所 | Multi-unit spliced arc motor data acquisition system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102520678A (en) | Remote control system for active reflection panel of radio telescope | |
| JP6043303B2 (en) | Adapter device for coupling industrial field devices to an industrial wireless network, and related systems and methods | |
| CN101529401B (en) | Method and apparatus for distributing USB hub functions across a network | |
| CN103825883A (en) | Multi-protocol conversion equipment based on wireless ZigBee, CAN bus and MODBUS/TCP and realization method thereof | |
| CN101141419B (en) | Heterogeneous network protocol based communication method between digital household appliances | |
| CN104038414A (en) | Multiprotocol intelligent household gateway apparatus and system thereof | |
| CN102891796B (en) | Mining intelligent transmission gateway | |
| CN105187955B (en) | Digital-to-analogue switch equipment, building conversational system and the method for realizing that simulation system is connected with digital display circuit | |
| CN103439866B (en) | VxWorks-based lithography machine double-workbench communication method and device | |
| CN101854083A (en) | Adaptive device for realizing A/D conversion protocol of power equipment | |
| CN102427417A (en) | System and method for remotely controlling Internet of things access equipment | |
| CN103905281A (en) | FC-AE-1553 bus node card capable of interchangeably achieving functions of network controller and network terminal | |
| CN101201620A (en) | Built-in controller based on 802.11 wireless network protocol | |
| CN102195946A (en) | Intelligent communication controller based on ARM (Advanced RISC Machines) technology | |
| CN103085054A (en) | Hot-line repair robot master-slave mode hydraulic pressure feedback mechanical arm control system and method thereof | |
| CN106249714A (en) | A kind of distributed energy remote monitoring and managing system and method | |
| CN107547475A (en) | A kind of data processing equipment and its system for supporting more communication protocol conversions | |
| CN102134929B (en) | Parking stall lock management system based on wireless data communication network | |
| CN201540487U (en) | Handheld operator for maintenance and detection of equipment in marine engine room | |
| CN110300055B (en) | Gateway system for heterogeneous field bus | |
| CN1216475C (en) | Embedded gate for realizing interconnection between networks with different structures | |
| KR101099013B1 (en) | Protocol conversion apparatus for network monitoring | |
| CN109120063B (en) | Plug-and-play sensor monitoring method, system and acquisition unit thereof | |
| Salvadori et al. | Monitoring and diagnosis in industrial systems using wireless sensor networks | |
| KR101349939B1 (en) | Protocol converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120627 |