CN105380658A - Weightless aircraft testing system - Google Patents
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- CN105380658A CN105380658A CN201510761211.1A CN201510761211A CN105380658A CN 105380658 A CN105380658 A CN 105380658A CN 201510761211 A CN201510761211 A CN 201510761211A CN 105380658 A CN105380658 A CN 105380658A
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Abstract
The invention discloses a weightless aircraft testing system. The system comprises a human body operating motion characteristic testing support and equipment platform, a treadmill, a visual perception characteristic testing system and a biological rhythm influence testing platform. By the aid of the system, performance data of people during pushing, pulling and both-arm rotating operations in the weightless flight state can be acquired, and biomechanical model verification in a weightless environment is supported. Force distribution data of the shoulder and waist parts of a treadmill testee are acquired through measurement, the basis is provided for improving a treadmill constraint system, and the problems existing in design of a space treadmill are further analyzed by comparing the difference of the running motion posture on the ground and the running motion posture in a weightless aircraft. The effectiveness of acquiring the performance data by the visual perception characteristic testing system in a variable-gravity environment is verified. The influences of simulated transient and repeated weightlessness of the weightless aircraft on model organism gravity stress gene expression and biological rhythm are probed, and the molecular mechanism of affecting a living clock by gravity variation is revealed.
Description
Technical field
The present invention relates to space flight and aviation technical field, particularly relate to a kind of zero gravity airplane test macro.
Background technology
Zero gravity airplane is after utilizing conventional airplane to reequip, the aircraft with specific use, and it is the important large-scale experiment room of in space program one.
Weightlessness is a kind of special environmental factors existed all the time in space travel process, domestic and international many research datas show, under weightlessness of space environment, some physiologic functions of human body there occurs change, long-term flight can make spacefarer produce the physiologicals effects of weightlessness such as cardiovascular disorder, bone loss, lower limb muscles atrophy, along with the development of space flight and aviation technology, the research for this respect also becomes more urgent.
It is antagonism safeguard procedures main in astronaut training and space travel that treadmill is taken exercise, and treadmill has been taken exercise and listed following long duration space flight counter measure in the works by current China.But because in related body's test, the factor of experimenter is restive, external treadmill train on the best to much intensity is still without final conclusion at present.
Therefore test obtains weightlessness servant gymnastics and makes kinetic characteristic, vision perception characteristic, treadmill constraint characteristic, to analyze space treadmill Problems existing improve treadmill design in design further; The impact of the expression of model organism gravity stress gene and biorhythm under research weightlessness, discloses the molecular mechanism that Gravity changer affects biological clock; To play an important role to China's aeronautical and space technology development.
Summary of the invention
The invention provides a kind of zero gravity airplane test macro, this system can obtain that weightless flight state servant carries out pushing away, draws, both arms rotation process time performance data, support biomechanical model checking under weightlessness; Measure and obtain the power distribution data that treadmill experimenter takes on waist, for the Improvement and perfection of treadmill restraint system provides foundation; By the difference of the road-work attitude on contrast ground and zero gravity airplane, analyze space treadmill Problems existing in design further; Fit property, the comfortableness of restraint device under checking microgravity condition, in running process, human body is to the adaptability of longitudinal load; Verification vision apperceive characteristic test macro obtains the effectiveness of performance data under gravity environment becoming; Inquire into the of short duration, repeatedly weightless of zero gravity airplane simulation model organism gravity stress gene to be expressed and the impact of biorhythm, disclose the molecular mechanism that Gravity changer affects biological clock.
This system comprises human body operational movement characteristic test support and equipment platform, treadmill, vision perception characteristic test macro and biorhythm affect test platform.
Described human body operational movement characteristic test support and equipment platform comprise operating physical force test macro, physical load evaluation system and human motion acquisition and recording system;
Described operating physical force test macro is by notebook computer, test bracket, operating physical force harvester, 2 push-pull efforts measure handrail, 2 revolving forces measure handrail and 4 foot limiter compositions, wherein test bracket is fixed on aircraft cabin body wall, 2 push-pull effort measurement handrails and 2 revolving forces are measured handrails and are arranged on respectively on test bracket, on 4 foot limiter difference body floors, fastening aircraft cabin, 2 push-pull efforts measure handrail, 2 revolving force measurement handrails and 4 foot limiters are connected respectively on operating physical force harvester, operating physical force voltage signal is analyzed by operating physical force harvester and is converted to data signal, operating physical force harvester data wire is connected with notebook computer, operating physical force data are shown in real time and stores in order to subsequent analysis,
Described physical load evaluation system comprises myoelectricity acquisition device and heartbeat detection device, wherein myoelectricity acquisition device is (NoraxonTelemyo), gather 16 surface electromyogram signals, gather position as follows: upper limb muscle group comprises: 8 pieces of muscle such as triceps brachii, biceps brachii m., brachioradialis, extensor carpi radialis muscle, extensor carpi ulnaris m., triangular muscle, pectoralis major, trapezius muscle; Muscle groups of lower extremitates comprises: 8 pieces of muscle such as quadriceps femoris (vastus lateralis, rectus femoris, vastus medialis), gastrocnemius (inner side, lateral head), tibialis anterior, biceps femoris, semitendinosus m.; Heartbeat detection device is Actiheart heart rate automatic tester and braces, Actiheart heart rate measuring instrument comprises rechargable power supplies and memory card apparatus gross weight is less than 10g, recorded heart rate data can reach 21 days continuously, without the need to power supply, internal memory card, therefore must data wire, can not electronic communication in jammer;
Described human motion acquisition and recording system comprises photographing unit, 4 fixed cameras, XsensMVN motion capture devices and MVN movement measurement systems and MVN analysis software, obtain human body in experimentation and, at moving image, the kinematic data of zero gravity airplane, resolve kinematics parameters by MVN analysis software.
Described treadmill comprises treadmill main body, treadmill mounting bracket, force measuring device, force transducer 6, force measuring device mounting bracket, restraint device, photographing unit and 2 video cameras, wherein treadmill mounting bracket is fixed on aircraft floor, treadmill main body is arranged on treadmill mounting bracket, force measuring device mounting bracket is fixed on treadmill mounting bracket side, and force measuring device is arranged on force measuring device mounting bracket;
Experimenter wears restraint device, and in the waist both sides of restraint device, both sides, front, both sides, back respectively connect a force transducer, and survey calculation restraint device distributes in the power of experimenter's shoulder and waist;
Restraint device connects longitudinal load, squats down at the flat section of flying, overweight section of hand steered handrail, stands carry out running checking in weightless section;
Respectively fixedly mount a video camera in treadmill front, side, the running attitude image of shooting experimenter during weightlessness, also installs a photographing unit simultaneously, takes running attitude picture as required.
Device operator according to circumstances can adjust longitudinal load, photograph, operating physical force measuring device, protection experimenter.
Described vision perception characteristic test macro comprises testboard, fixing seat and notebook computer, wherein testboard and fixing seat are arranged on aircraft floor, notebook computer is fixed on testboard, test is computer software testing, tester needs to pay close attention to visual stimulus (in partial test, visual stimulus will move on screen) on computer screen in task, and carry out button reaction as requested, computer system can record the performance indicators such as accuracy rate, time error of experimenter's reaction automatically.
Described biorhythm affect test platform comprise weightless for model organism gene expression response change affect test set and gravity repeatedly of short duration change affect test set for model organism is circadian;
Described weightlessness comprises Petri dish box, 3 culture dishs, test tube case, test-tube stent, 3 plastic test tubes for the test set that affects of model organism gene expression response change, wherein Petri dish box and test tube case are fixed in aircraft cabin, 3 culture dishs can overlap be placed in Petri dish box, test-tube stent is placed in test tube case, test-tube stent there are four test tube putting holes, 3 plastic test tube volumes are 15 milliliters, can place and be fixed in test tube putting hole, three plastic test tubes are respectively 1#, 2# and 3#;
Take off a few days ago at zero gravity airplane, Neurospora crassa is inoculated in fluid medium, quiescent culture is after 2 days, one deck Mycoderma is grown, before zero gravity airplane takes off 3 hours, after the card punch after Mycoderma sterilizing is cut into disk at liquid surface, disk is linked into the media surface that bottom fills the culture dish of one deck solid medium, each culture dish inoculates 6, inoculates 3 culture dishs altogether, is numbered #1, #2 and #3;
During test before the 1st parabola starts, start to receive sample for the first time, tissue tweezers are pressed from both sides out 6 Mycodermas from the solid medium of #1 culture dish, put into and fill in the 1# plastic test tube of 5mlRNAlater solution, screw lid, and put into plastic containers, to guarantee that fluid preservation is in two-layer container.
After the 20th parabola descending flight completes, the stage is flown flat, 6 Mycodermas are pressed from both sides out from the solid medium of #2 culture dish immediately with tweezers, put into and fill in the 2# plastic test tube of 5mlRNAlater solution, screw lid, and put into plastic containers, to guarantee that fluid preservation is in two-layer container.
After last parabolic flight terminates, fly the stage flat, press from both sides out 6 Mycodermas with tweezers from the solid medium of #3 culture dish immediately, put into and fill in the 3# plastic test tube of 5mlRNAlater solution, screw lid, and put into plastic containers, to guarantee that fluid preservation is in two-layer container.
After tissue specimen collection, immerse rapidly in the RNAlaterRNAStabilizationReagent of proper volume, Absorbable organic halogens protection RNA, preserves sample.RNAlaterTissueProtectTubes is equipped with RNAlaterRNAStabilizationReagent in advance, mouth of pipe resealable, handled easily and preservation sample.1 day can be preserved through the RNA of protection at 37 DEG C, 7 days can be preserved at 18-25 DEG C, at 2-8 DEG C, 4 weeks can be preserved, and can operation under without dry ice or liquid nitrogen condition, store and transport sample.Sample after the protection of this reagent can be preserved for a long time under-20 DEG C or-80 DEG C of conditions.
Experiment terminates rear check sample to collecting, after 20 parabolic flights after sample, 30 parabolic flights sample totally three lot samples originally carry out Total RNAs extraction, transcript profile order-checking and analyze, with the response gene of screening and identification Gravity changer.
Described gravity repeatedly of short duration change comprises plastic centrifuge tube 6, light tight seal box 2,2, plastic foam box and fixed packet one for the circadian test set that affects of model organism, plastic centrifuge tube volume is 50 milliliters, each light tight seal box can fill 3 plastic centrifuge tubes, light tight seal box can be contained in plastic foam box, plastic foam box can be contained in fixed packet, and fixed packet is fixed in cabin;
Solid medium is had bottom plastic centrifuge tube, solid medium inoculates Neurospora crassa, plastic centrifuge tube is contained in 1 light tight seal box according to every 3 simultaneously, again 2 light tight seal boxes are contained in 2 plastic foam boxes respectively, to keep more stable temperature, wherein 1 foam box does not participate in zero gravity airplane in contrast, take back after on another 1 plastic foam box, zero gravity airplane completes all parabolic flights, test after returning to ground, under HONGGUANG, be seeded to racetube and compare biorhythm and whether change.
Detailed description of the invention
In order to understand the present invention, below by specific embodiment, the invention will be further described.
A kind of zero gravity airplane test macro, this system comprises human body operational movement characteristic test support and equipment platform, treadmill, vision perception characteristic test macro and biorhythm affect test platform.
Described human body operational movement characteristic test support and equipment platform comprise operating physical force test macro, physical load evaluation system and human motion acquisition and recording system;
Described operating physical force test macro is by notebook computer, test bracket, operating physical force harvester, 2 push-pull efforts measure handrail, 2 revolving forces measure handrail and 4 foot limiter compositions, wherein test bracket is fixed on aircraft cabin body wall, 2 push-pull effort measurement handrails and 2 revolving forces are measured handrails and are arranged on respectively on test bracket, on 4 foot limiter difference body floors, fastening aircraft cabin, 2 push-pull efforts measure handrail, 2 revolving force measurement handrails and 4 foot limiters are connected respectively on operating physical force harvester, operating physical force voltage signal is analyzed by operating physical force harvester and is converted to data signal, operating physical force harvester data wire is connected with notebook computer,
Described physical load evaluation system comprises myoelectricity acquisition device and heartbeat detection device, wherein myoelectricity acquisition device is (NoraxonTelemyo), gather 16 surface electromyogram signals, gather position as follows: upper limb muscle group comprises: 8 pieces of muscle such as triceps brachii, biceps brachii m., brachioradialis, extensor carpi radialis muscle, extensor carpi ulnaris m., triangular muscle, pectoralis major, trapezius muscle; Muscle groups of lower extremitates comprises: 8 pieces of muscle such as quadriceps femoris (vastus lateralis, rectus femoris, vastus medialis), gastrocnemius (inner side, lateral head), tibialis anterior, biceps femoris, semitendinosus m.; Heartbeat detection device is Actiheart heart rate automatic tester and braces, and Actiheart heart rate measuring instrument comprises rechargable power supplies and memory card apparatus;
Described human motion acquisition and recording system comprises photographing unit, 4 fixed cameras, XsensMVN motion capture devices and MVN movement measurement systems and MVN analysis software, obtain human body in experimentation and, at moving image, the kinematic data of zero gravity airplane, resolve kinematics parameters by MVN analysis software.
Described treadmill comprises treadmill main body, treadmill mounting bracket, force measuring device, force transducer 6, force measuring device mounting bracket, restraint device, photographing unit and 2 video cameras, wherein treadmill mounting bracket is fixed on aircraft floor, treadmill main body is arranged on treadmill mounting bracket, force measuring device mounting bracket is fixed on treadmill mounting bracket side, and force measuring device is arranged on force measuring device mounting bracket;
Experimenter wears restraint device, and in the waist both sides of restraint device, both sides, front, both sides, back respectively connect a force transducer;
Restraint device connects longitudinal load, squats down at the flat section of flying, overweight section of hand steered handrail, stands carry out running checking in weightless section;
Respectively fixedly mount a video camera in treadmill front, side, the running attitude image of shooting experimenter during weightlessness, also installs a photographing unit simultaneously, takes running attitude picture as required.
Device operator according to circumstances can adjust longitudinal load, photograph, operating physical force measuring device, protection experimenter.
Described vision perception characteristic test macro comprises testboard, fixing seat and notebook computer, wherein testboard and fixing seat are arranged on aircraft floor, notebook computer is fixed on testboard, test is computer software testing, tester needs to pay close attention to visual stimulus (in partial test, visual stimulus will move on screen) on computer screen in task, and carry out button reaction as requested, computer system can record the performance indicators such as accuracy rate, time error of experimenter's reaction automatically.
Described biorhythm affect test platform comprise weightless for model organism gene expression response change affect test set and gravity repeatedly of short duration change affect test set for model organism is circadian;
Described weightlessness comprises Petri dish box, 3 culture dishs, test tube case, test-tube stent, 3 plastic test tubes for the test set that affects of model organism gene expression response change, wherein Petri dish box and test tube case are fixed in aircraft cabin, 3 culture dishs can overlap be placed in Petri dish box, test-tube stent is placed in test tube case, test-tube stent there are four test tube putting holes, 3 plastic test tube volumes are 15 milliliters, can place and be fixed in test tube putting hole, three plastic test tubes are respectively 1#, 2# and 3#;
Take off a few days ago at zero gravity airplane, Neurospora crassa is inoculated in fluid medium, quiescent culture is after 2 days, one deck Mycoderma is grown, before zero gravity airplane takes off 3 hours, after the card punch after Mycoderma sterilizing is cut into disk at liquid surface, disk is linked into the media surface that bottom fills the culture dish of one deck solid medium, each culture dish inoculates 6, inoculates 3 culture dishs altogether, is numbered #1, #2 and #3;
During test before the 1st parabola starts, start to receive sample for the first time, tissue tweezers are pressed from both sides out 6 Mycodermas from the solid medium of #1 culture dish, put into and fill in the 1# plastic test tube of 5mlRNAlater solution, screw lid, and put into plastic containers, to guarantee that fluid preservation is in two-layer container.
After the 20th parabola descending flight completes, the stage is flown flat, 6 Mycodermas are pressed from both sides out from the solid medium of #2 culture dish immediately with tweezers, put into and fill in the 2# plastic test tube of 5mlRNAlater solution, screw lid, and put into plastic containers, to guarantee that fluid preservation is in two-layer container.
After last parabolic flight terminates, fly the stage flat, press from both sides out 6 Mycodermas with tweezers from the solid medium of #3 culture dish immediately, put into and fill in the 3# plastic test tube of 5mlRNAlater solution, screw lid, and put into plastic containers, to guarantee that fluid preservation is in two-layer container.
After tissue specimen collection, immerse rapidly in the RNAlaterRNAStabilizationReagent of proper volume, Absorbable organic halogens protection RNA, preserves sample.RNAlaterTissueProtectTubes is equipped with RNAlaterRNAStabilizationReagent in advance, mouth of pipe resealable, handled easily and preservation sample.1 day can be preserved through the RNA of protection at 37 DEG C, 7 days can be preserved at 18-25 DEG C, at 2-8 DEG C, 4 weeks can be preserved, and can operation under without dry ice or liquid nitrogen condition, store and transport sample.Sample after the protection of this reagent can be preserved for a long time under-20 DEG C or-80 DEG C of conditions.
Experiment terminates rear check sample to collecting, after 20 parabolic flights after sample, 30 parabolic flights sample totally three lot samples originally carry out Total RNAs extraction, transcript profile order-checking and analyze, with the response gene of screening and identification Gravity changer.
Described gravity repeatedly of short duration change comprises plastic centrifuge tube 6, light tight seal box 2,2, plastic foam box and fixed packet one for the circadian test set that affects of model organism, plastic centrifuge tube volume is 50 milliliters, each light tight seal box can fill 3 plastic centrifuge tubes, light tight seal box can be contained in plastic foam box, plastic foam box can be contained in fixed packet, and fixed packet is fixed in cabin;
Solid medium is had bottom plastic centrifuge tube, solid medium inoculates Neurospora crassa, plastic centrifuge tube is contained in 1 light tight seal box according to every 3 simultaneously, again 2 light tight seal boxes are contained in 2 plastic foam boxes respectively, to keep more stable temperature, wherein 1 foam box does not participate in zero gravity airplane in contrast, take back after on another 1 plastic foam box, zero gravity airplane completes all parabolic flights, test after returning to ground, under HONGGUANG, be seeded to racetube and compare biorhythm and whether change.
Claims (6)
1. a zero gravity airplane test macro, is characterized in that: comprise human body operational movement characteristic test support and equipment platform, treadmill, vision perception characteristic test macro and biorhythm affect test platform;
Described human body operational movement characteristic test support and equipment platform comprise operating physical force test macro, physical load evaluation system and human motion acquisition and recording system;
Described operating physical force test macro is measured handrail, 2 revolving force measurement handrails and 4 foot limiters formed by notebook computer, test bracket, operating physical force harvester, 2 push-pull effort, wherein test bracket is fixed on aircraft cabin body wall, 2 push-pull effort measurement handrails and 2 revolving forces are measured handrails and are arranged on respectively on test bracket, on 4 foot limiter difference body floors, fastening aircraft cabin, 2 push-pull efforts are measured handrail, 2 revolving force measurement handrails and 4 foot limiters and are connected respectively on operating physical force harvester, and operating physical force harvester data wire is connected with notebook computer;
Described physical load evaluation system comprises myoelectricity acquisition device and heartbeat detection device, wherein myoelectricity acquisition device is (NoraxonTelemyo), gather 16 surface electromyogram signals, heartbeat detection device is Actiheart heart rate automatic tester and braces, and Actiheart heart rate measuring instrument comprises rechargable power supplies and memory card;
Described human motion acquisition and recording system comprises photographing unit, 4 fixed cameras, XsensMVN motion capture devices and MVN movement measurement systems and MVN analysis software, obtain human body in experimentation and, at moving image, the kinematic data of zero gravity airplane, resolve kinematics parameters by MVN analysis software.
2. zero gravity airplane test macro according to claim 1, it is characterized in that: described treadmill comprises treadmill main body, treadmill mounting bracket, force measuring device, force transducer 6, force measuring device mounting bracket, restraint device, photographing unit and 2 video cameras, wherein treadmill mounting bracket is fixed on aircraft floor, treadmill main body is arranged on treadmill mounting bracket, force measuring device mounting bracket is fixed on treadmill mounting bracket side, and force measuring device is arranged on force measuring device mounting bracket.
3. zero gravity airplane test macro according to claim 1, it is characterized in that: described vision perception characteristic test macro comprises testboard, fixing seat and notebook computer, wherein testboard and fixing seat are arranged on aircraft floor, notebook computer is fixed on testboard, tests as computer software testing.
4. zero gravity airplane test macro according to claim 1, is characterized in that: described biorhythm affect test platform comprise weightless for model organism gene expression response change affect test set and gravity repeatedly of short duration change affect test set for model organism is circadian.
5. zero gravity airplane test macro according to claim 1, it is characterized in that: described weightlessness comprises Petri dish box for the test set that affects of model organism gene expression response change, 3 culture dishs, test tube case, test-tube stent, 3 plastic test tubes, wherein Petri dish box and test tube case are fixed in aircraft cabin, 3 culture dishs can overlap be placed in Petri dish box, test-tube stent is placed in test tube case, test-tube stent there are four test tube putting holes, 3 plastic test tube volumes are 15 milliliters, can place and be fixed in test tube putting hole, test fungus used is Neurospora crassa.
6. zero gravity airplane test macro according to claim 1, it is characterized in that: described gravity repeatedly of short duration change comprises plastic centrifuge tube 6, light tight seal box 2,2, plastic foam box and fixed packet one for the circadian test set that affects of model organism, plastic centrifuge tube volume is 50 milliliters, each light tight seal box can fill 3 plastic centrifuge tubes, light tight seal box can be contained in plastic foam box, plastic foam box can be contained in fixed packet, and fixed packet is fixed in cabin; Test fungus used is Neurospora crassa.
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| US11517781B1 (en) | 2017-06-22 | 2022-12-06 | Boost Treadmills, LLC | Unweighting exercise equipment |
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| US11872433B2 (en) | 2020-12-01 | 2024-01-16 | Boost Treadmills, LLC | Unweighting enclosure, system and method for an exercise device |
| US20230115873A1 (en) | 2021-10-12 | 2023-04-13 | Boost Treadmills, LLC | DAP Platform, Integrated Lifts, System and Related Devices and Methods |
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| CN105380658B (en) | 2019-12-24 |
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