CN111806702B - Parachute jumping mechanism pop-up platform and method based on signal detection - Google Patents
Parachute jumping mechanism pop-up platform and method based on signal detection Download PDFInfo
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- CN111806702B CN111806702B CN202010613168.5A CN202010613168A CN111806702B CN 111806702 B CN111806702 B CN 111806702B CN 202010613168 A CN202010613168 A CN 202010613168A CN 111806702 B CN111806702 B CN 111806702B
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D23/00—Training of parachutists
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
- A63G31/00—Amusement arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/40—Balloons
-
- G06T3/02—
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
- G06T3/4007—Interpolation-based scaling, e.g. bilinear interpolation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/52—Surveillance or monitoring of activities, e.g. for recognising suspicious objects
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63G—MERRY-GO-ROUNDS; SWINGS; ROCKING-HORSES; CHUTES; SWITCHBACKS; SIMILAR DEVICES FOR PUBLIC AMUSEMENT
- A63G31/00—Amusement arrangements
- A63G2031/005—Skydiving
Abstract
The invention relates to a parachute jumping mechanism pop-up platform and a method based on signal detection, wherein the platform comprises: the automatic ejection mechanism is arranged right below the multi-person parachute jumping equipment sealed in the bottom of the basket body of the hot air balloon and used for ejecting the multi-person parachute jumping equipment from the bottom of the basket body to be used by personnel in the basket body when a danger detection signal is received; and the parameter detection equipment is positioned on the basket of the hot air balloon and used for calculating the current height of the basket of the hot air balloon based on the detected air pressure value. The parachute jumping mechanism pop-up platform and method based on signal detection are intelligent in operation and compact in design. When the situation that the hot air balloon flies too high and the bottom safety rope body falls off is detected, the multi-person parachute jumping equipment in the bottom of the basket body of the hot air balloon is quickly popped up for escape of people, so that tragic accidents of high-altitude falling are avoided.
Description
Technical Field
The invention relates to the field of parachute jumping facility management and control, in particular to a parachute jumping mechanism pop-up platform and a parachute jumping mechanism pop-up method based on signal detection.
Background
The parachute jumping movement means that a parachutist jumps down after taking an aircraft such as an airplane, a balloon and the like or other apparatuses to the high altitude or jumps down from the steep mountain top and the high altitude, completes various specified actions before and after opening the parachute by virtue of aerodynamic force and the parachute, and utilizes the parachute to slow down the sports of safe landing in a designated area at the descending speed.
Parachuting developed rapidly in countries around the united states and became increasingly popular in many countries around the world since the end of the 18 th century. In 1926, the parachute jumping sport was formally listed as an air game item in the united states. In the 50 s of the 20 th century, parachuting was developed as an international sporting event from first life saving and military use. The first world parachute tournament was held in southern srafv in 1951, once every two years since 1954.
The flying mode of the parachute is also developed from the earliest parachute jumping from a hot air balloon into airplane parachute jumping, parachute tower parachute jumping and towing flying parachute jumping, and people who love adventure sports at present invent parachutes from cliffs and skyscrapers and the like. The parachute jumping project is added with free parachute jumping and skateboarding parachute besides the traditional stunt, fixed point, air modeling, air treading and other projects, and evolves from simple sports to leisure, entertainment and extreme sports.
Disclosure of Invention
In order to solve the related problems in the prior art, the invention provides a parachute jumping mechanism pop-up platform based on signal detection, which can quickly pop up multi-person parachute jumping equipment in the bottom of a basket body of a hot air balloon for escape when the hot air balloon is detected to fly too high and a safety rope body at the bottom is dropped off at the same time, so that tragic accidents of high altitude falling are avoided.
Therefore, the invention at least needs to have the following two key points:
(1) when the basket body of the hot air balloon flies too high and the bottom safety rope body falls off, multi-person parachute jumping equipment in the bottom of the basket body of the hot air balloon is timely popped up to allow people to escape quickly;
(2) and a targeted signal detection mechanism is adopted to carry out field detection on the falling scene of the safety rope body at the bottom of the basket body, so that important reference data is provided for the execution of subsequent emergency measures.
According to an aspect of the present invention, there is provided a parachute jumping mechanism pop-up platform based on signal detection, the platform comprising:
the automatic ejection mechanism is arranged right below the multi-person parachute jumping equipment sealed in the bottom of the basket body of the hot air balloon and used for ejecting the multi-person parachute jumping equipment from the bottom of the basket body to be used by personnel in the basket body when a danger detection signal is received;
the automatic ejection mechanism is also used for not executing the operation of ejecting the multi-person parachute jumping equipment from the bottom of the basket body when receiving a safety detection signal;
the parameter detection equipment is positioned on the basket body of the hot air balloon and used for calculating the current height of the basket body of the hot air balloon based on the detected air pressure value;
the pinhole type camera is embedded at the bottom of the basket body of the hot air balloon and is used for carrying out camera shooting operation on scenes in the visual field range of the hot air balloon so as to obtain a real-time collected image;
the content enhancement equipment is connected with the pinhole camera and used for carrying out image content enhancement processing based on logarithmic transformation on the received instant acquisition image so as to obtain and output a corresponding content enhancement image;
an affine transformation device connected to the content enhancement device for performing affine transformation processing on the received content enhanced image to obtain and output a corresponding affine transformed image;
the real-time interpolation device is connected with the affine transformation device and used for executing bicubic interpolation processing of a 4 pixel multiplied by 4 pixel neighborhood on the received affine transformation image so as to obtain and output a corresponding real-time interpolation image;
the rope body analysis mechanism is connected with the real-time interpolation equipment and used for identifying each rope body imaging pixel point in the real-time interpolation image based on rope body imaging characteristics;
a signal extraction device; and the rope body analysis mechanism is connected with the parameter detection equipment, the automatic pop-up mechanism and the rope body analysis mechanism respectively and is used for sending a danger detection signal when the received current height is greater than or equal to a preset height threshold value and the total number of rope body imaging pixel points of non-isolated imaging pixel points in the real-time interpolation image is lower than a preset number threshold value.
According to another aspect of the invention, a parachute jumping mechanism ejecting method based on signal detection is further provided, and the method comprises the step of using the parachute jumping mechanism ejecting platform based on signal detection to eject the parachute jumping device in time when the basket of the hot air balloon is detected to be over-high in flying and the bottom safety rope body falls off.
The parachute jumping mechanism pop-up platform and method based on signal detection are intelligent in operation and compact in design. When the situation that the hot air balloon flies too high and the bottom safety rope body falls off is detected, the multi-person parachute jumping equipment in the bottom of the basket body of the hot air balloon is quickly popped up for escape of people, so that tragic accidents of high-altitude falling are avoided.
Detailed Description
Embodiments of the present invention of a parachute jumping mechanism pop-up platform and method based on signal detection will be described in detail below.
A Hot Air Balloon (Hot Air Balloon) is an aircraft that is lighter than Air, with an atmospheric Balloon in the upper half and a gondola in the lower half. The interior of the balloon heats the air, which has a lower density relative to the cold air outside, acting as a buoyancy to displace the whole; the gondola can carry passengers and a heat source (mostly open fire). Modern sport balloons are typically made of nylon fabric with openings made of fire resistant material.
Can be used for aeronautics and sports, photography, travel and the like. The first manned balloon was made of Montgolfier brother, Paris, 11.21.1783
de Rozier and
laurent d' Arlandes two-person start. The first hot air balloon flying in america was launched from a walnut prison in philadelphia by the french airline Jean pierce Blanchard in 1793, 1-9. The current types are AA, AX, AM and AS.
At present, in case the fire balloon height transfinites and has fallen the control of the safe rope body in bottom, then personnel on the fire balloon will be absorbed in the high altitude crisis of falling, at this moment, adopt near helicopter to rescue and be the emergency measure of using always, however this kind of emergency measure need consume certain rescue time and economic cost is higher, keeps helicopter to hover near the fire balloon also not too realistic simultaneously.
In order to overcome the defects, the invention builds a parachute jumping mechanism pop-up platform and a method based on signal detection, and can effectively solve the corresponding technical problems.
The parachute jumping mechanism ejecting platform based on signal detection comprises the following components:
the automatic ejection mechanism is arranged right below the multi-person parachute jumping equipment sealed in the bottom of the basket body of the hot air balloon and used for ejecting the multi-person parachute jumping equipment from the bottom of the basket body to be used by personnel in the basket body when a danger detection signal is received;
the automatic ejection mechanism is also used for not executing the operation of ejecting the multi-person parachute jumping equipment from the bottom of the basket body when receiving a safety detection signal;
the parameter detection equipment is positioned on the basket body of the hot air balloon and used for calculating the current height of the basket body of the hot air balloon based on the detected air pressure value;
the pinhole type camera is embedded at the bottom of the basket body of the hot air balloon and is used for carrying out camera shooting operation on scenes in the visual field range of the hot air balloon so as to obtain a real-time collected image;
the content enhancement equipment is connected with the pinhole camera and used for carrying out image content enhancement processing based on logarithmic transformation on the received instant acquisition image so as to obtain and output a corresponding content enhancement image;
an affine transformation device connected to the content enhancement device for performing affine transformation processing on the received content enhanced image to obtain and output a corresponding affine transformed image;
the real-time interpolation device is connected with the affine transformation device and used for executing bicubic interpolation processing of a 4 pixel multiplied by 4 pixel neighborhood on the received affine transformation image so as to obtain and output a corresponding real-time interpolation image;
the rope body analysis mechanism is connected with the real-time interpolation equipment and used for identifying each rope body imaging pixel point in the real-time interpolation image based on rope body imaging characteristics;
and the signal extraction equipment is respectively connected with the parameter detection equipment, the automatic pop-up mechanism and the rope body analysis mechanism and is used for sending a danger detection signal when the received current height is greater than or equal to a preset height threshold value and the total number of rope body imaging pixel points of non-isolated imaging pixel points in the real-time interpolation image is lower than a preset number threshold value.
Next, the detailed structure of the parachute jumping mechanism pop-up platform based on signal detection according to the present invention will be further described.
In the parachute jumping mechanism pop-up platform based on signal detection:
the signal extraction equipment is also used for sending a safety detection signal when the received current height is smaller than the preset height threshold value or the total number of the rope imaging pixel points of the non-isolated imaging pixel points in the real-time interpolation image is not lower than the preset number threshold value.
In the parachute jumping mechanism pop-up platform based on signal detection:
calculating the current altitude of the basket of the hot air balloon based on the detected air pressure value includes: the lower the detected air pressure value is, the higher the current height of the basket of the hot air balloon is obtained through calculation.
The parachute jumping mechanism ejecting platform based on signal detection further comprises:
and the FLASH storage equipment is connected with the signal extraction equipment and is used for storing the preset height threshold value and the preset quantity threshold value.
In the parachute jumping mechanism pop-up platform based on signal detection:
in the signal extraction equipment, the rope imaging pixel points of the non-isolated imaging pixels in the real-time interpolation image are rope imaging pixel points of which the distances to other rope imaging pixel points exceed a preset distance threshold;
the multi-person parachute jumping device comprises a protective outer sleeve and a plurality of single parachute jumping mechanisms, and the single parachute jumping mechanisms are wrapped in the protective outer sleeve.
The parachute jumping mechanism ejecting platform based on signal detection further comprises:
and the on-site timing equipment is connected with the rope body analysis mechanism and is used for providing timing operation for each task of the rope body analysis mechanism.
In the parachute jumping mechanism pop-up platform based on signal detection:
in the field timing device, different timing processing time limits are set for each task of the rope body resolving mechanism.
In the parachute jumping mechanism pop-up platform based on signal detection:
in the rope body analysis mechanism, each task needs to be processed and completed within the corresponding timing processing time limit.
In the parachute jumping mechanism pop-up platform based on signal detection:
the on-site timing equipment is also connected with the signal extraction equipment and is used for providing timing operation for each task of the signal extraction equipment;
the signal extraction equipment is also provided with a serial communication interface for receiving externally input configuration information through the serial communication interface;
in the signal extraction equipment, configuration information which is received through the serial communication interface and is input from outside comprises specific numerical values of various operating parameters of the signal extraction equipment;
the rope body analysis mechanism is provided with a micro-processing unit used for providing corresponding control instructions for the cooperative operation of other components in the rope body analysis mechanism.
Meanwhile, in order to overcome the defects, the invention also builds a parachute jumping mechanism popping method based on signal detection, and the method comprises the step of using the parachute jumping mechanism popping platform based on signal detection to pop out the parachute jumping equipment in time when the situation that the basket body of the hot air balloon flies too high and the bottom safety rope body falls off is detected.
In addition, FLASH memory chips are nonvolatile memories, and blocks of memory cells called blocks can be erased and reprogrammed. The write operation of any FLASH device can only be performed in empty or erased cells, so in most cases, the erase must be performed before the write operation can be performed. While it is simple for a NAND device to perform an erase operation, NOR requires that all bits in the target block be written to 0 before an erase can be performed.
Since erasing NOR devices is performed in blocks of 64-128 KB, the time for performing a write/erase operation is 5s, whereas erasing NAND devices is performed in blocks of 8-32 KB, which requires only 4ms at most to perform the same operation.
The difference in block size when performing erasures further increases the performance gap between NOR and NADN, and statistics show that for a given set of write operations (especially when updating small files), more erase operations must be performed in NOR-based cells.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: Read-Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A parachute jumping mechanism pop-up platform based on signal detection, the platform comprising:
the automatic ejection mechanism is arranged right below the multi-person parachute jumping equipment sealed in the bottom of the basket body of the hot air balloon and used for ejecting the multi-person parachute jumping equipment from the bottom of the basket body to be used by personnel in the basket body when a danger detection signal is received;
the automatic ejection mechanism is also used for not executing the operation of ejecting the multi-person parachute jumping equipment from the bottom of the basket body when receiving a safety detection signal;
the parameter detection equipment is positioned on the basket body of the hot air balloon and used for calculating the current height of the basket body of the hot air balloon based on the detected air pressure value;
the pinhole type camera is embedded at the bottom of the basket body of the hot air balloon and is used for carrying out camera shooting operation on scenes in the visual field range of the hot air balloon so as to obtain a real-time collected image;
the content enhancement equipment is connected with the pinhole camera and used for carrying out image content enhancement processing based on logarithmic transformation on the received instant acquisition image so as to obtain and output a corresponding content enhancement image;
an affine transformation device connected to the content enhancement device for performing affine transformation processing on the received content enhanced image to obtain and output a corresponding affine transformed image;
the real-time interpolation device is connected with the affine transformation device and used for executing bicubic interpolation processing of a 4 pixel multiplied by 4 pixel neighborhood on the received affine transformation image so as to obtain and output a corresponding real-time interpolation image;
the rope body analysis mechanism is connected with the real-time interpolation equipment and used for identifying rope body imaging pixel points of the safety ropes at the bottoms of the hot air balloon baskets in the real-time interpolation image based on the rope body imaging characteristics of the safety ropes at the bottoms of the hot air balloon baskets;
and the signal extraction equipment is respectively connected with the parameter detection equipment, the automatic pop-up mechanism and the rope body analysis mechanism and is used for sending a danger detection signal when the received current height is greater than or equal to a preset height threshold value and the total number of rope body imaging pixel points of the safety rope at the bottom of the hot air balloon basket body with the non-isolated imaging pixel points in the real-time interpolation image is lower than a preset number threshold value.
2. The signal detection-based parachuting mechanism pop-up platform of claim 1, wherein:
the signal extraction equipment is further used for sending out a safety detection signal when the received current height is smaller than the preset height threshold value or the total number of rope imaging pixel points of the safety rope at the bottom of the hot air balloon basket body of the non-isolated imaging pixel points in the real-time interpolation image is not smaller than a preset number threshold value.
3. A parachute jumping mechanism pop-up platform based on signal detection as recited in claim 2, wherein:
calculating the current altitude of the basket of the hot air balloon based on the detected air pressure value includes: the lower the detected air pressure value is, the higher the current height of the basket of the hot air balloon is obtained through calculation.
4. A parachute jumping mechanism pop-up platform based on signal detection as recited in claim 3, wherein said platform further comprises:
and the FLASH storage equipment is connected with the signal extraction equipment and is used for storing the preset height threshold value and the preset quantity threshold value.
5. The signal detection-based parachuting mechanism pop-up platform of claim 4, wherein:
in the signal extraction equipment, the rope imaging pixel points of the safety ropes at the bottom of the hot-air balloon basket body of the non-isolated imaging pixels in the real-time interpolation image are rope imaging pixel points of the safety ropes at the bottom of the hot-air balloon basket body, the distances from the rope imaging pixel points to the rope imaging pixel points of the safety ropes at the bottom of other hot-air balloon basket bodies exceed a preset distance threshold;
the multi-person parachute jumping device comprises a protective outer sleeve and a plurality of single parachute jumping mechanisms, and the single parachute jumping mechanisms are wrapped in the protective outer sleeve.
6. The signal detection-based parachuting mechanism pop-up platform of claim 5, wherein the platform further comprises:
and the on-site timing equipment is connected with the rope body analysis mechanism and is used for providing timing operation for each task of the rope body analysis mechanism.
7. The signal detection-based parachuting mechanism pop-up platform of claim 6, wherein:
in the field timing device, different timing processing time limits are set for each task of the rope body resolving mechanism.
8. The signal detection-based parachuting mechanism pop-up platform of claim 7, wherein:
in the rope body analysis mechanism, each task needs to be processed and completed within the corresponding timing processing time limit.
9. The signal detection-based parachuting mechanism pop-up platform of claim 8, wherein:
the on-site timing equipment is also connected with the signal extraction equipment and is used for providing timing operation for each task of the signal extraction equipment;
the signal extraction equipment is also provided with a serial communication interface for receiving externally input configuration information through the serial communication interface;
in the signal extraction equipment, configuration information which is received through the serial communication interface and is input from outside comprises specific numerical values of various operating parameters of the signal extraction equipment;
the rope body analysis mechanism is provided with a micro-processing unit used for providing corresponding control instructions for the cooperative operation of other components in the rope body analysis mechanism.
10. A parachute jumping mechanism pop-up method based on signal detection, the method comprising using the parachute jumping mechanism pop-up platform based on signal detection according to any one of claims 1 to 9 to timely pop-up the parachute jumping apparatus when the basket of the hot air balloon is detected to be flying too high and the bottom safety line body is detached.
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| JPH0769958B2 (en) * | 1988-09-20 | 1995-07-31 | 沖電気工業株式会社 | Image conversion processing method |
| RU2280592C1 (en) * | 2004-11-23 | 2006-07-27 | Открытое акционерное общество "Научно-производственное предприятие "Звезда" | Method of generation of ejection seat parachute deployment command |
| CN101383899A (en) * | 2008-09-28 | 2009-03-11 | 北京航空航天大学 | Video image stabilizing method for space based platform hovering |
| CN103839265B (en) * | 2014-02-26 | 2017-05-24 | 西安电子科技大学 | SAR image registration method based on SIFT and normalized mutual information |
| CN106249664A (en) * | 2016-09-20 | 2016-12-21 | 北京韦加无人机科技股份有限公司 | A kind of unmanned plane automatic pilot lengthy and jumbled method and device of safety |
| CN106971404A (en) * | 2017-03-20 | 2017-07-21 | 西北工业大学 | A kind of robust SURF unmanned planes Color Remote Sensing Image method for registering |
| CN107301661B (en) * | 2017-07-10 | 2020-09-11 | 中国科学院遥感与数字地球研究所 | High-resolution remote sensing image registration method based on edge point features |
| CN109544608B (en) * | 2018-03-22 | 2023-10-24 | 广东电网有限责任公司清远供电局 | Unmanned aerial vehicle image acquisition characteristic registration method |
| CN108985217A (en) * | 2018-07-10 | 2018-12-11 | 常州大学 | A kind of traffic sign recognition method and system based on deep space network |
| CN110764529B (en) * | 2019-10-21 | 2020-07-21 | 安徽诺乐知识产权服务有限公司 | Flight direction correction platform, method and storage medium based on target positioning big data |
| CN110687850A (en) * | 2019-10-30 | 2020-01-14 | 航宇救生装备有限公司 | Miniaturized circuit for controlling reliable parachute opening and online detection of lifesaving parachute |
| CN110930439B (en) * | 2019-12-04 | 2022-11-29 | 长光卫星技术股份有限公司 | High-grade product automatic production system suitable for high-resolution remote sensing image |
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Effective date of registration: 20210927 Address after: 518100 Building 2, Yingfeng Industrial Park, Tantou community, Songgang street, Bao'an District, Shenzhen, Guangdong Applicant after: Zhou Chunrong Address before: 214104 No. 1 Jiaoxi Road, an town, Xishan District, Wuxi City, Jiangsu Province Applicant before: Xin Chao Chao |
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