CN102520699B - Device and method of drop tower experiment - Google Patents
Device and method of drop tower experiment Download PDFInfo
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- CN102520699B CN102520699B CN201110440333.2A CN201110440333A CN102520699B CN 102520699 B CN102520699 B CN 102520699B CN 201110440333 A CN201110440333 A CN 201110440333A CN 102520699 B CN102520699 B CN 102520699B
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- 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]
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Abstract
The invention discloses a device and a method of a drop tower experiment. The device comprises an in-cabin computer control unit and an out-cabin measuring control interface control unit. The in-cabin computer control unit is arranged in a drop cabin of a microgravity drop tower and is used for conducting the drop tower experiment according to set experiment control program and conducting collection of drop tower experiment data. The out-cabin measuring control interface control unit is arranged outside the drop cabin of the microgravity drop tower and is used for obtaining the drop tower experiment data collected by the computer control unit in the cabin through the wireless communication mode. The device and the method can achieve online microwave measuring and controlling and can achieve network remote user control technology. The device and the method can provide the users a friendly debugging interface and are convenient to use. The device is provided with abundant input/output (I/O) types and communication port types and has the advantages of being good in generality and easy to expand.
Description
Technical field
The present invention relates to the experiment control technology of Microgravity Falling Tower, particularly relate to a kind of fall tower experiment device and method.
Background technology
Microgravity Falling Tower is to provide the facility of microgravity environment, main body is the high tower of the hollow of one about 80 meters, the cabin that falls is the cone column type Laboratory Module of high about 2 meters, places various experimental facilities, realized the experimental situation of microgravity by the dropping process of the freely falling body of cabin in high tower that fall in cabin.The experiment control process fallen thus in cabin just seems particularly important.
Experiment control is in the past all by PLC(Programmable Logic Controller, programmable logic controller (PLC)) realize the control of experimental provision and the collection of experimental data in cabin.
Due to the restriction of the technical functionality of PLC self, to having some limitations property in the adjustment control of experiment condition and the gatherer process of data/image during the stage after the cabin batten down that falls before whereabouts and the cabin that falls fall, comprising:
1, PLC is used for simple programmed control, cannot make effective judgement in experimentation to accident;
2, belong to black box operation, engineering parameter in cabin cannot be observed intuitively;
3, the observation to testing in cabin and adjustment cannot be realized after batten down.(user adjusts experimental facilities state of the art in cabin before often needing to fall, and in current cabin, PLC control system cannot meet the demands.）
Summary of the invention
The technical matters that the present invention will solve, overcomes the defect that prior art cannot obtain experimental data in cabin in real time exactly, propose a kind of fall the device and method of tower experiment, can to fall tower experimental data by Real-time Obtaining.
The another one technical matters that the present invention will solve, overcomes the defect that prior art cannot arrange experiment control program in real time, revise exactly, propose a kind of fall tower experiment device and method, can in real time experiment control program be arranged, be revised.
The problem of experimental data in cabin cannot be obtained in real time in order to solve above-mentioned prior art, the invention provides a kind of fall the device of tower experiment, to comprise in cabin computer control unit and observing and controlling interface control unit out of my cabin, wherein,
Computer control unit in described cabin, it is positioned at the cabin that falls of Microgravity Falling Tower, for tower experiment of carrying out falling according to the experiment control program of setting, and, the collection of tower experimental data of carrying out falling;
The described interface control unit of observing and controlling out of my cabin, what it was positioned at Microgravity Falling Tower falls out of my cabin, for being obtained the tower experimental data that falls that computer control unit in described cabin collects by the mode of wireless telecommunications.
In order to solve the problem that above-mentioned prior art cannot arrange experiment control program in real time, revise, said apparatus has following characteristics:
The described interface control unit of observing and controlling is out of my cabin further used for, and is arranged by the mode of wireless telecommunications and/or revises the experiment control program of computer control unit in described cabin.
Preferably, said apparatus has following characteristics:
Fall described in the described interface control unit of observing and controlling is out of my cabin shown by the form of graphical interfaces tower experimental data.
Preferably, said apparatus has following characteristics:
In described cabin, computer control unit and the described interface control unit of observing and controlling out of my cabin adopt transmission control protocol/Internet Protocol (TCP/IP) communication mutually.
Preferably, said apparatus has following characteristics:
Described device also comprises server; The described interface control unit of observing and controlling is out of my cabin connected with described server, or is arranged in described server; Described server is connected with one or more user side by the Internet;
Described server is used for,
According to the request receiving user side, obtain from the described interface control unit of observing and controlling out of my cabin the tower experimental data that falls that computer control unit in described cabin collects, send to corresponding user side; And/or
According to the experiment control program that user side sends, by the described interface control unit of observing and controlling out of my cabin, the experiment control program of computer control unit in described cabin is arranged and/or revised.
The problem of experimental data in cabin cannot be obtained in real time in order to solve above-mentioned prior art, the invention provides a kind of fall tower experiment method, comprising:
Carrying out falling in tower experimentation, the cabin computer control unit being positioned at the cabin that falls of Microgravity Falling Tower carries out falling the collection of tower experimental data;
The interface control unit of observing and controlling out of my cabin falling out of my cabin being positioned at Microgravity Falling Tower obtains by the mode of wireless telecommunications the tower experimental data that falls that described cabin computer control unit collects.
Cannot in real time to the problem that experiment control program is arranged in order to solve above-mentioned prior art, said method also comprises:
Before tower experiment of carrying out falling, the described interface control unit of observing and controlling is out of my cabin arranged the experiment control program of computer control unit in described cabin by the mode of wireless telecommunications;
Carrying out falling in tower experimentation, in described cabin, computer control unit carries out according to the experiment control program that the described interface control unit of observing and controlling is out of my cabin arranged the tower experiment that falls.
Cannot in real time to the problem that experiment control program is modified in order to solve above-mentioned prior art, said method also comprises:
Carrying out falling in tower experimentation, the described interface control unit of observing and controlling is out of my cabin modified to the experiment control program of computer control unit in described cabin by the mode of wireless telecommunications;
In described cabin, computer control unit carries out according to the amended experiment control program of the described interface control unit of observing and controlling out of my cabin the tower experiment that falls.
Preferably, said method also comprises:
Server, according to the request receiving user side, obtains from the described interface control unit of observing and controlling out of my cabin the tower experimental data that falls that computer control unit in described cabin collects, sends to corresponding user side;
Wherein, the described interface control unit of observing and controlling is out of my cabin connected with described server, or is arranged in described server; Described server is connected with one or more user side by the Internet.
Preferably, said method also comprises:
The experiment control program that server sends according to user side, is arranged by the described interface control unit of observing and controlling out of my cabin the experiment control program of computer control unit in described cabin and/or revises;
Wherein, the described interface control unit of observing and controlling is out of my cabin connected with described server, or is arranged in described server; Described server is connected with one or more user side by the Internet.
By the present invention, the major function that can realize comprises:
1, remote measuring and controlling function;
2, programmable function;
3, more test interface is controlled for user provides;
4, can realize after batten down easily and pre-fall stage the setting of equipment debugging/operating mode and in dropping process, experiment is intervened in real time.
The present invention carries out programmed control real-time reliably by the experimental provision in wireless network control micro-gravitation down-cabin, and this experiment control mode at Microgravity Falling Tower belongs to domestic initiation.The real-time control that can realize tele-experimentation is controlled by wireless network and the Internet (Internet) multi-user, even if experimenter also can not realize the Remote of testing in operation site, external scientist can not use the various control mode of experiment that experimental field just can complete oneself, not only increase work efficiency, also save unnecessary expenses.
Accompanying drawing explanation
Fig. 1 is the device schematic diagram of the tower experiment that falls of the embodiment of the present invention;
Fig. 2 is the device composition schematic diagram of the tower experiment that falls of application example of the present invention;
Fig. 3 is the interface of the observing and controlling out of my cabin schematic diagram of application example of the present invention;
Fig. 4 is that the multi-user of embodiment of the present invention application example carries out falling the schematic diagram of tower experiment.
Embodiment
Hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Basic thought of the present invention is, by the mode of wireless telecommunications, realizes Real-time Obtaining and to fall tower experimental data, and arrange experiment control program, revise in real time.In addition, by Internet, the tele-experimentation that can realize multi-user controls in real time.So technology of the present invention can be called that online microwave observing and controlling and network remote multi-user advanced person fall tower experimental technique.
Particularly, as shown in Figure 1, the device of the tower experiment that falls of the embodiment of the present invention, to comprise in cabin computer control unit and observing and controlling interface control unit (Fig. 1 decline tower Central Control Room include observing and controlling interface control unit out of my cabin) out of my cabin, wherein, computer control unit in described cabin, it is positioned at the cabin that falls of Microgravity Falling Tower, for tower experiment of carrying out falling according to the experiment control program of setting, and, the collection of tower experimental data of carrying out falling; The described interface control unit of observing and controlling out of my cabin, what it was positioned at Microgravity Falling Tower falls out of my cabin, for being obtained the tower experimental data that falls that computer control unit in described cabin collects by the mode of wireless telecommunications.Like this, just real-time telemetry function can be realized to wirelessly.
The described interface control unit of observing and controlling out of my cabin can be further used for, and is arranged by the mode of wireless telecommunications and/or revises the experiment control program of computer control unit in described cabin.Like this, just real time remote control function can be realized to wirelessly.
As shown in Figure 2, in an application example, in cabin, computer control unit comprises: the control circuit be connected and computer control module, wherein, described control circuit comprises power supply and one or more relay, and described control circuit is connected with experimental facilities by relay, by the folding condition of pilot relay, can being turned on or off, to carry out the tower experiment that falls of path between computer control unit and experimental facilities in control cabinet; Described control circuit can also comprise one or more sensor, and these sensors are used for collection and fall the parameters such as tower experimental data, such as measuring tempeature, pressure, acceleration; Described computer control module is wirelessly connected with the described interface control unit of observing and controlling out of my cabin, described computer control module includes experiment control program, and described computer control module carries out falling tower experiment and gathering tower experimental data according to control circuit described in described experiment control programmed control.
Preferably, described computer control module can be made up of PCM5111 modularization middling speed analog input module and embedded computer.
This hardware building form is utilized to have following feature:
1, it is the development environment based on windows operating system, can shorten the development time of user program, as long as the programming basis with computerese just can the powerful embedded control system of design function;
2, integrated a large amount of peripheral hardware and various communication interface, comprising USB interface; Ethernet controller; TV video frequency output; RS-232 and 485 interfaces; CF card slot electric board; 16 road single-ended analog amount inputs; 12 A/D transducers; ± 5V, ± 10V or 0 ~ 10V analog input range; Useable resistance configuration gain; 24 passage programmable digital amount I/O; 3 independently 16 bit timing device/counters etc.;
3, Wireless microwave technology can be utilized to realize Wireless Data Transmission in cabin and out of my cabin between control desk and control;
4, belong to graphical interfaces mode control interface function, more intuitively can show engineering parameter information in deliver from vault.
In such cabin, computer control unit achieves the versatile and flexible of control mode, almost covers the interface control mode of current trend, also can be changed by interface card for those special interfaces; Higher level lanquage and assembly language hybrid programming can be adopted, just can oneself develop as long as higher level lanquage can be write; Visualization interface operates, the observation experiment state that person easy to use is real-time intuitively; There is network transmission function, Internet Transmission can be carried out by it.
Observing and controlling interface control unit is the system unit of user by experimental state in the observing and controlling interface observation out of my cabin of Luo Ta pulpit computing machine and control cabinet out of my cabin, for the ease of using, this out of my cabin observing and controlling interface control unit by graphical interfaces form display described in fall tower experimental data, as shown in Figure 3.In the example depicted in fig. 3, this out of my cabin observing and controlling interface control unit can show: the state of 8 way switch amounts and control, the parameter of 8 road subscriber channels, 8 cabin, tunnel intrinsic parameters (comprising the parameter such as pressure, out of my cabin pressure, supply voltage, source current in temperature in cabin, cabin).Because PCM5111 module can have 16 road single-ended analog amount inputs, so in this application example, wherein 8 tunnels are used for the measurement of cabin intrinsic parameter, and other 8 tunnels are used for the measurement of user-defined 8 road analog inputs.
Experimenter can by the outer observing and controlling interface control unit of control cabinet in online microwave transmission to cabin computer control unit to realize the adjustment of experimental facilities state in cabin.
Can adopt client/server (client/server) tactic pattern, in cabin, computer control unit monitors client state as server end, and observing and controlling interface control unit sends instruction as client and completes corresponding service to server end out of my cabin.
Because of in data transmission procedure, data can not be lost, can not be tampered, in described cabin, computer control unit and the described interface control unit of observing and controlling out of my cabin can adopt TCP/IP(Transmission ControlProtocol/Internet Protocol) agreement, i.e. the mutual communication of transmission control protocol/Internet Protocol.TCP is a host-host protocol end to end, because it can provide a direct connection from an application program of a main frame to the Another application program of distance host.Transmission Control Protocol can provide one reliably (to ensure that the data of transmission do not repeat, do not lose), the data streaming services of connection-oriented, full duplex.The 802.11b interconnection frequency spectrum that radio interconnected frequency range can adopt 2.4GHz popular at present, utilizes the technology of this frequency spectrum to carry out communication and can obtain even better data throughput the same as wired 10BaseT Ethernet.
Can carry out in the following way during practical application:
First in cabin, computer control unit starts a service routine to complete the initialization of control system and to make it enter server end listening state, and the network port that opening one is fixing.Then observing and controlling interface control unit starts client-side program out of my cabin, carries out three-way handshake, just can carry out real-time communication after waiting three-way handshake to be done by ICP/IP protocol and server end (i.e. computer control unit in cabin).In cabin, computer control unit is before Jiang Luota experimental data transfers out, and adds different identification for identifying that parameters (temperature, pressure, acceleration, switching value etc.) splits data to facilitate during reception.Observing and controlling interface control unit splits data according to mark and is presented on corresponding operation interface after receiving tower experimental data out of my cabin.Observing and controlling interface control unit can according to the state of the display analysis on interface when system in front deck out of my cabin.If need the state adjusting certain parameter, the folding condition of such as certain switching value, by clicking the corresponding button at observing and controlling interface control unit interface out of my cabin, controling parameters will be sent to the computer control module of computer control unit in cabin, and computer control module controls the folding of the corresponding relay of described control circuit again to complete the control procedure of whole switching value.
In order to realize tele-experimentation Real-Time Monitoring and the control of multi-user, described device also can comprise server; The described interface control unit of observing and controlling is out of my cabin connected with described server, or is arranged in described server; Described server is connected with one or more user side by the Internet.
Described server is used for, and according to the request receiving user side, obtains the tower experimental data that falls that computer control unit in described cabin collects, send to corresponding user side from the described interface control unit of observing and controlling out of my cabin; And/or according to the experiment control program that user side sends, by the described interface control unit of observing and controlling out of my cabin, the experiment control program of computer control unit in described cabin is arranged and/or revised.
Particularly, a cable network platform can be set up: have an Internet public network IP address; Build professional server to communicate with Internet, after building network completes, can realize the freedom of network transmission of tower laboratory internal experimental data.As shown in Figure 4, long-distance user is according to the experiment needs of oneself, and download experimental data, can modify to experiment control program and upload to professional server, amended control program be uploaded to control module in cabin by the tower Central Control Room experimenter that falls; Long-range advanced level user will be endowed higher authority, not only can complete the download of experimental data, directly the experiment control program of amendment can also be uploaded to the control module in Luo Ta cabin, to complete the direct amendment of experiment condition.Like this, not only can realize local user and use experimental resources, and non-local user (not experimenter) at the scene can be realized equally can use experimental resources.Even external scientist also can by Internet realization to the operated from a distance of experiment.
Correspondingly, the method for the tower experiment that falls of the embodiment of the present invention, comprising:
Carrying out falling in tower experimentation, the cabin computer control unit being positioned at the cabin that falls of Microgravity Falling Tower carries out falling the collection of tower experimental data;
The interface control unit of observing and controlling out of my cabin falling out of my cabin being positioned at Microgravity Falling Tower obtains by the mode of wireless telecommunications the tower experimental data that falls that described cabin computer control unit collects.
In addition, before tower experiment of carrying out falling, the described interface control unit of observing and controlling is out of my cabin arranged the experiment control program of computer control unit in described cabin by the mode of wireless telecommunications; In described cabin, computer control unit carries out according to the experiment control program that the described interface control unit of observing and controlling is out of my cabin arranged the tower experiment that falls.
And carrying out falling in tower experimentation, the described interface control unit of observing and controlling is out of my cabin modified to the experiment control program of computer control unit in described cabin by the mode of wireless telecommunications; In described cabin, computer control unit carries out according to the amended experiment control program of the described interface control unit of observing and controlling out of my cabin the tower experiment that falls.
When server is connected with one or more user side by the Internet, the described interface control unit of observing and controlling is out of my cabin connected with described server, or when being arranged in described server,
Server can according to the request receiving user side, obtains the tower experimental data that falls that computer control unit in described cabin collects, send to corresponding user side from the described interface control unit of observing and controlling out of my cabin.
And the experiment control program that server can send according to user side, is arranged by the described interface control unit of observing and controlling out of my cabin the experiment control program of computer control unit in described cabin and/or revises.
The control mode proposed by the invention tower Experimental Establishment that falls in the world did not also adopt, and initiated especially at home.The online microwave observing and controlling that the present invention proposes and the Internet remote multi-subscriber advanced person tower experimental technique that falls not only can be implemented in the observing and controlling of line microwave; And network remote multi-user control technology can be realized; Friendly Debugging interface is provided to user, easy to use; There is abundant I/O type and communication interface type; Belong to computer control mode, versatility is good, is easy to the advances such as expansion.
The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as ROM (read-only memory), disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize, and correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (4)
1. a device for the tower that falls experiment, is characterized in that, to comprise in cabin computer control unit and observing and controlling interface control unit out of my cabin, wherein,
Computer control unit in described cabin, it is positioned at the cabin that falls of Microgravity Falling Tower, for tower experiment of carrying out falling according to the experiment control program of setting, and, the collection of tower experimental data of carrying out falling;
The described interface control unit of observing and controlling out of my cabin, what it was positioned at Microgravity Falling Tower falls out of my cabin, for being obtained the tower experimental data that falls that computer control unit in described cabin collects by the mode of wireless telecommunications; And, by the mode of wireless telecommunications, the experiment control program of computer control unit in described cabin is arranged and/or revised;
In described cabin, computer control unit is further used for, start service routine to complete the initialization of control system and to make computer control unit in described cabin enter the described interface control unit of observing and controlling out of my cabin listening state, and the network port that opening one is fixing, carry out three-way handshake by ICP/IP protocol and observing and controlling interface control unit out of my cabin, after three-way handshake, carry out real-time communication with observing and controlling interface control unit out of my cabin; And, different identification is added for identifying parameters to the tower experimental data that falls, and the tower experimental data that will fall is sent to observing and controlling interface control unit out of my cabin; When receiving the controling parameters of observing and controlling interface control unit transmission out of my cabin, then control the folding of the corresponding relay of control circuit to complete the control procedure of whole switching value;
The described interface control unit of observing and controlling is out of my cabin further used for, and starts client-side program, carries out three-way handshake, carry out real-time communication after waiting three-way handshake to be done with computer control unit in cabin by computer control unit in ICP/IP protocol and cabin; Observing and controlling interface control unit splits data according to mark and is presented on corresponding operation interface after receiving the tower experimental data that falls that in cabin, computer control unit sends out of my cabin; When needing the state adjusting parameter, by clicking the corresponding button at observing and controlling interface control unit interface out of my cabin, controling parameters is sent to computer control unit in cabin by observing and controlling interface control unit out of my cabin;
Described device also comprises server; The described interface control unit of observing and controlling is out of my cabin connected with described server, or is arranged in described server; Described server is connected with one or more user side by the Internet;
Described server is used for,
According to the request receiving user side, obtain from the described interface control unit of observing and controlling out of my cabin the tower experimental data that falls that computer control unit in described cabin collects, send to corresponding user side; And/or
According to the experiment control program that user side sends, by the described interface control unit of observing and controlling out of my cabin, the experiment control program of computer control unit in described cabin is arranged and/or revised.
2. device as claimed in claim 1, is characterized in that,
Fall described in the described interface control unit of observing and controlling is out of my cabin shown by the form of graphical interfaces tower experimental data.
3. device as claimed in claim 1, is characterized in that,
In described cabin, computer control unit and the described interface control unit of observing and controlling out of my cabin adopt the mutual communication of TCP/IP.
4. a method for the tower that falls experiment, comprising:
Before tower experiment of carrying out falling, the interface control unit of observing and controlling out of my cabin falling out of my cabin being positioned at Microgravity Falling Tower is arranged by the mode of the wireless telecommunications experiment control program of cabin computer control unit to the cabin that falls being positioned at Microgravity Falling Tower;
Carrying out falling in tower experimentation, in described cabin, computer control unit to carry out falling tower experiment according to the experiment control program that the described interface control unit of observing and controlling is out of my cabin arranged, and, the collection of tower experimental data of carrying out falling; The described interface control unit of observing and controlling out of my cabin obtains by the mode of wireless telecommunications the tower experimental data that falls that computer control unit in described cabin collects;
Carrying out falling in tower experimentation, the described interface control unit of observing and controlling is out of my cabin modified to the experiment control program of computer control unit in described cabin by the mode of wireless telecommunications;
In described cabin, computer control unit carries out according to the amended experiment control program of the described interface control unit of observing and controlling out of my cabin the tower experiment that falls;
In cabin, computer control unit starts service routine to complete the initialization of control system and to make computer control unit in described cabin enter the described interface control unit of observing and controlling out of my cabin listening state, and the network port that opening one is fixing;
Observing and controlling interface control unit starts client-side program out of my cabin, carries out three-way handshake, carry out real-time communication after waiting three-way handshake to be done by computer control unit in ICP/IP protocol and cabin;
In cabin, computer control unit is before Jiang Luota experimental data transfers out, and adds different identification for identifying that parameters splits data to facilitate during reception; Observing and controlling interface control unit splits data according to mark and is presented on corresponding operation interface after receiving tower experimental data out of my cabin; Observing and controlling interface control unit is according to the state of the display analysis on interface when system in front deck out of my cabin;
When needing the state adjusting parameter, by clicking the corresponding button at observing and controlling interface control unit interface out of my cabin, controling parameters is sent to the computer control module of computer control unit in cabin, computer control module controls the folding of the corresponding relay of control circuit again to complete the control procedure of whole switching value;
Server, according to the request receiving user side, obtains from the described interface control unit of observing and controlling out of my cabin the tower experimental data that falls that computer control unit in described cabin collects, sends to corresponding user side;
Wherein, the described interface control unit of observing and controlling is out of my cabin connected with described server, or is arranged in described server; Described server is connected with one or more user side by the Internet;
The experiment control program that server sends according to user side, is arranged by the described interface control unit of observing and controlling out of my cabin the experiment control program of computer control unit in described cabin and/or revises.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440333.2A CN102520699B (en) | 2011-12-26 | 2011-12-26 | Device and method of drop tower experiment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110440333.2A CN102520699B (en) | 2011-12-26 | 2011-12-26 | Device and method of drop tower experiment |
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| CN102520699A CN102520699A (en) | 2012-06-27 |
| CN102520699B true CN102520699B (en) | 2015-07-22 |
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| CN103048241B (en) * | 2012-12-20 | 2014-10-22 | 同济大学 | Sand flowing model testing system for drop tower platform |
| CN110901965B (en) * | 2019-11-12 | 2021-06-29 | 中国科学院空间应用工程与技术中心 | Guide control device and method for microgravity tower falling |
| CN116834983B (en) * | 2023-08-31 | 2023-10-31 | 中国科学院力学研究所 | Quick centroid adjustment method for falling cabin of falling tower experiment |
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Non-Patent Citations (1)
| Title |
|---|
| "用高空气球实现的微重力环境模拟实验系统";王建一;《航天控制》;19901231(第3期);第58-63页 * |
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