CN113051994B - Real-time lifting system of grip ability based on environmental monitoring - Google Patents
Real-time lifting system of grip ability based on environmental monitoring Download PDFInfo
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Abstract
The invention relates to a real-time lifting system of grip force based on environmental monitoring, the system includes: the transverse plate driving mechanism is used for extending the left transverse plate and the right transverse plate from the inner part of the skiing single plate to two sides of the skiing single plate when receiving a steep slope detection instruction, and is also used for retracting the left transverse plate and the right transverse plate when receiving a stable slope detection instruction; the speed sensing mechanism is used for sending a first control command when sensing that the movement amplitude of the ski single board per unit time exceeds the limit; and the embedded camera is embedded in the front end plate tip of the skiing veneer and is electrically connected with the speed sensing mechanism. The real-time ground grabbing force improving system based on the environmental monitoring is intelligent in operation, safe and reliable. The system can analyze and judge whether the snow body distribution in front of the skiing veneer is too steep in real time by adopting a pertinence judgment mechanism, and timely carry out on-site response, thereby ensuring the personal safety of skiers.
Description
Technical Field
The invention relates to the field of skiing monitoring, in particular to a real-time ground grabbing force improving system based on environment monitoring.
Background
Skiing is a competitive sport where athletes mount skis on the bottom of boots and play speed, jump, and downhill on snow. The snowboard is made of wood, metal materials and plastics by mixing. Alpine skiing consists of downhill, small and large turns (slalom). The alpine skiing hybrid project consists of the three projects. People can hold a ski stick and step on a ski to slide on the snow surface in a standing posture. The "standing", "board", "snow" and "skating" are key elements of skiing sports.
Skiing sports (particularly modern competitive skiing) are developed to the present, projects are continuously increased, and the field is continuously expanded. The regular large items of the world game are as follows: alpine Skiing, Nordic Skiing (cross country Skiing, ski diving), freestyle Skiing, winter Skiing, snowboarding, and the like. Every major item has many small items, and dozens of dazzling gold medals in national games and winter Olympic games encourage people to play and share. Pure athletic skiing has clear competitiveness and specificity, and the related conditions are strict, so that the skiing can be possessed and adapted by non-ordinary people. The tourism skiing is for the purpose of entertainment and body-building, is slightly restricted by human factors, and men, women, old and young can easily and pleasantly slide on the snow field, thereby enjoying endless interest of skiing sports. As alpine skiing has the characteristics of thrill, elegance, free, strong dynamic sense, large charm and wide participation, alpine skiing is regarded as essence and symbol of skiing sports by people and is a preferred and main item of skiing in tourism. Generally, people are evaluated for the technical level of skiing, and the skiing is mostly measured by alpine skiing.
Among the prior art, the skiing veneer is because design reason and direction are single, compares in the skiing double plate, and its dangerous degree is on the high side and very easily produces the skiing accident, for example, when the snow slope in skiing veneer the place ahead is too precipitous, leads to skiing veneer speed too fast and out of control easily, consequently, needs one kind can be according to the intelligent control mechanism who promotes skiing veneer land fertility of skiing environment for effectively promote the security and the reliability of skiing veneer.
Disclosure of Invention
In order to solve the technical problems in the related field, the invention provides a real-time ground-holding force improving system based on environmental monitoring, which can adopt a targeted judging mechanism to analyze and judge whether the snow body distribution in front of a skiing veneer is too steep in real time and timely deal with the snow body distribution on site, thereby ensuring the personal safety of skiers.
Therefore, the invention needs to have the following key invention points:
(1) judging whether the front side is a steep slope or a stable slope based on the fall value of the snow body distribution in front of the skiing veneer, and providing reliable parameters for the subsequent skiing veneer control;
(2) when the front of the skiing veneer is judged to be a steep slope, the transverse plates on the left side and the right side are pushed out to the two sides of the skiing veneer in time so as to improve the ground gripping force of the skiing veneer in real time.
According to an aspect of the present invention, there is provided a real-time grip improving system based on environmental monitoring, the system including:
and the transverse plate driving mechanism is used for stretching out the left transverse plate and the right transverse plate from the inside of the skiing veneer to two sides of the skiing veneer when receiving the abrupt slope detection instruction.
More specifically, in the real-time gripping force lifting system based on environmental monitoring, the following steps are carried out:
and the transverse plate driving mechanism is also used for withdrawing the left transverse plate and the right transverse plate from two sides of the skiing single plate to the inside of the skiing single plate when receiving the slope stabilizing detection instruction.
More specifically, the real-time grip force improving system based on environmental monitoring according to the present invention further comprises:
the speed sensing mechanism is packaged in the ski single board and used for sending a first control command when sensing that the movement amplitude of the ski single board per unit time exceeds the limit;
the embedded camera is embedded in the front end plate tip of the skiing veneer, is electrically connected with the speed sensing mechanism, and is used for starting the shooting operation of the skiing field in front of the skiing veneer when receiving the first control command so as to obtain the current shooting frame corresponding to the current moment;
the midpoint filtering equipment is connected with the embedded camera and used for executing midpoint filtering processing on the received current camera frame so as to obtain a corresponding content filtering image;
the DRAM memory chip is packaged in the ski single board and used for storing the gray upper limit value and the gray lower limit value which limit the gray distribution range of the snow imaging pixel point;
the snow body collecting mechanism is respectively connected with the midpoint filtering equipment and the DRAM memory chip and is used for taking pixel points of gray values in the content filtering image within the gray upper limit value and the gray lower limit value as snow body pixel points;
the first identification equipment is connected with the snow body acquisition mechanism and used for identifying the depth of field value of each snow body pixel point in the content filtering image;
and the second identification device is respectively connected with the transverse plate driving mechanism and the first identification device and is used for receiving each depth of field value of each snow body pixel point in the content filtering image, acquiring the mean value of the depth of field values of all snow body pixel points of a top pixel row occupied by a snow body region formed by each snow body pixel point as a first mean value, acquiring the mean value of the depth of field values of all snow body pixel points of a bottom pixel row occupied by the snow body region formed by each snow body pixel point as a second mean value, and sending a steep slope detection instruction when the second mean value is smaller than the first mean value and the absolute value of the difference value of the second mean value and the first mean value exceeds the depth of field difference value threshold.
The real-time ground grabbing force improving system based on the environmental monitoring is intelligent in operation, safe and reliable. The system can analyze and judge whether the snow body distribution in front of the skiing veneer is too steep in real time by adopting a pertinence judgment mechanism, and timely carry out on-site response, thereby ensuring the personal safety of skiers.
Drawings
Embodiments of the invention will now be described with reference to the accompanying drawings, in which:
fig. 1 is a data bus connection diagram of a real-time grip lifting system based on environmental monitoring according to an embodiment of the present invention.
Detailed Description
Embodiments of the grip real-time elevation system based on environmental monitoring according to the present invention will be described in detail with reference to the accompanying drawings.
Snowboarding (also known as Snowboarding) originates in the united states in the mid-60's of the 20 th century, and its production is related to surfing. In 1965, schumann-pom tied two skis together, a new "snowboard" with both feet on the whole board was created accidentally, single board skiing, also known as surfing in winter, selects a snowboard rather than a pair of snowboards for the hand, and uses the body and both feet to control the direction.
In the 80 s, skateboarding began to be popular in the United states and then passed to Europe. The first world championship was held in 1983, the union of established international ski skiing in 1990, the official project of the winter and aout conference in 1994, the association of international skiing, and the Japanese Changdian winter aou in 1998, for the first time, the ski skiing game was held.
The length of a parallel large rotation field used for snowboarding is 936 meters, the average slope is 18.21 degrees, and the slope height is 290 meters. The height difference is 120-200 m, the triangular flag gates are alternately arranged on the left and the right, about 25 flag gates are arranged, and the distance between the flag gates is at least 8 m. The two columns of the starting point flag gate (height 1.10 m, base width 1.30 m) are different in height, and a triangular flag is arranged in the middle. When the match starts, the starting door is automatically opened, and two players start at the same time. The player concentrates the pressure on the tiptoes when crossing the flag gate, and the chest passes through the chest and concentrates the pressure on the heels after passing. The main technical action is left-right rotation. Large swivel boots are similar to ski boots, but are more resilient. The skateboard is stiff and narrow to facilitate steering and high speed skating. Ranking was done at glide speed. The rules stipulate that the two pre-competition results add up the competition betting promotion 16 before ranking, and then carry out elimination competition, playcompetition 16, 8, 1/4, half playcompetition and playcompetition. During formal competition, players draw one group of each two persons, and perform two pre-competitions on parallel tracks, wherein the tracks are exchanged in the second pre-competition. The laggard players in the first game delay the starting, and the delayed time is the laggard time of the first game. The player who arrives at the end first in the second game wins.
Among the prior art, the skiing veneer is because design reason and direction are single, compares in the skiing double plate, and its dangerous degree is on the high side and very easily produces the skiing accident, for example, when the snow slope in skiing veneer the place ahead is too precipitous, leads to skiing veneer speed too fast and out of control easily, consequently, needs one kind can be according to the intelligent control mechanism who promotes skiing veneer land fertility of skiing environment for effectively promote the security and the reliability of skiing veneer.
In order to overcome the defects, the invention builds a real-time ground grabbing force lifting system based on environment monitoring, and can effectively solve the corresponding technical problem.
Fig. 1 is a data bus connection diagram of a real-time grip force lifting system based on environmental monitoring according to an embodiment of the present invention, the system including:
the transverse plate driving mechanism is used for stretching out the left transverse plate and the right transverse plate from the inner part of the skiing single plate to two sides of the skiing single plate when receiving a steep slope detection instruction;
the transverse plate driving mechanism is also used for withdrawing the left transverse plate and the right transverse plate from two sides of the skiing single plate to the inside of the skiing single plate when receiving the slope stabilizing detection instruction;
the speed sensing mechanism is packaged in the ski single board and used for sending a first control command when sensing that the movement amplitude of the ski single board per unit time exceeds the limit;
the embedded camera is embedded in the front end plate tip of the skiing veneer, is electrically connected with the speed sensing mechanism, and is used for starting the shooting operation of the skiing field in front of the skiing veneer when receiving the first control command so as to obtain the current shooting frame corresponding to the current moment;
the midpoint filtering equipment is connected with the embedded camera and used for executing midpoint filtering processing on the received current camera frame so as to obtain a corresponding content filtering image;
the DRAM memory chip is packaged in the ski single board and used for storing the gray upper limit value and the gray lower limit value which limit the gray distribution range of the snow imaging pixel point;
the snow body collecting mechanism is respectively connected with the midpoint filtering equipment and the DRAM memory chip and is used for taking pixel points of gray values in the content filtering image within the gray upper limit value and the gray lower limit value as snow body pixel points;
the first identification equipment is connected with the snow body acquisition mechanism and used for identifying the depth of field value of each snow body pixel point in the content filtering image;
and the second identification device is respectively connected with the transverse plate driving mechanism and the first identification device and is used for receiving each depth of field value of each snow body pixel point in the content filtering image, acquiring the mean value of the depth of field values of all snow body pixel points of a top pixel row occupied by a snow body region formed by each snow body pixel point as a first mean value, acquiring the mean value of the depth of field values of all snow body pixel points of a bottom pixel row occupied by the snow body region formed by each snow body pixel point as a second mean value, and sending a steep slope detection instruction when the second mean value is smaller than the first mean value and the absolute value of the difference value of the second mean value and the first mean value exceeds the depth of field difference value threshold.
Next, the detailed structure of the real-time grip force improving system based on environmental monitoring according to the present invention will be further described.
In the real-time lifting system of the grip ability based on environmental monitoring:
the second identification device is further used for sending a stable slope detection instruction when the second average value is smaller than the first average value and the absolute value of the difference value of the second average value and the first average value does not exceed the depth of field difference value threshold.
In the real-time lifting system of the grip ability based on environmental monitoring:
relative to the left lateral plate and the right lateral plate, the plate body of the skiing veneer is a vertical plate vertical to the left lateral plate or the right lateral plate;
the transverse plate driving mechanism comprises a permanent magnet brushless motor and an inverting mechanism and is used for driving the left transverse plate and the right transverse plate.
In the real-time lifting system of the grip ability based on environmental monitoring:
the second identification device is further configured to obtain a gradient field of depth values in the content filtered image based on the depth values of the snow pixels in the content filtered image.
In the real-time lifting system of the grip ability based on environmental monitoring:
and the snow body acquisition mechanism is also used for taking pixel points of which the gray values are outside the gray upper limit value and the gray lower limit value in the content filtering image as non-snow body pixel points.
In the real-time lifting system of the grip ability based on environmental monitoring:
the speed sensing mechanism is also used for sending a second control command when sensing that the movement amplitude of the ski single board in unit time does not exceed the limit;
and the embedded camera is further used for stopping executing the image pickup operation of the skiing field in front of the skiing veneer when receiving the second control command.
The real-time ground gripping force lifting system based on the environmental monitoring can further comprise:
and the wind speed measuring mechanism is arranged on the front end plate tip of the skiing veneer and is used for detecting the real-time wind speed of the environment where the front end plate tip of the skiing veneer is located.
The real-time ground gripping force lifting system based on the environmental monitoring can further comprise:
and the humidity detection mechanism is arranged on the front end plate tip of the skiing veneer and used for detecting the air humidity of the environment where the front end plate tip of the skiing veneer is located.
The real-time ground gripping force lifting system based on the environmental monitoring can further comprise:
and the instant alarm equipment is respectively connected with the wind speed measuring mechanism and the humidity detecting mechanism and is used for executing corresponding alarm operation when the output data of the wind speed measuring mechanism or the humidity detecting mechanism is abnormal.
In addition, in the real-time grip improvement system based on environmental monitoring, the DRAM memory chip uses capacitive storage, so that the DRAM memory chip must be refreshed (refresh) once every other time, and if the memory cell is not refreshed, the stored information is lost. (shutdown will lose data). Dynamic RAM is also comprised of a number of basic memory cells multiplexed by row and column address pins. The structure of the DRAM memory chip can be simple and efficient, and each bit only needs one transistor and one capacitor. However, the capacitance inevitably has leakage phenomenon, which causes data error if the charge is insufficient, and therefore, the capacitance must be periodically refreshed (precharged), which is also a big feature of the DRAM. Moreover, the charging and discharging of the capacitor requires a process, and the refresh frequency cannot be raised infinitely (frequency barrier), which results in that the frequency of the DRAM can easily reach the upper limit, and even if the advanced process is supported, the effect is very small. With the advancement of technology and the desire of people to overclock, these frequency barriers are being solved slowly.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (7)
1. A real-time lifting system of grip force based on environmental monitoring, characterized in that the system comprises:
the transverse plate driving mechanism is used for stretching out the left transverse plate and the right transverse plate from the inner part of the skiing single plate to two sides of the skiing single plate when receiving a steep slope detection instruction;
the transverse plate driving mechanism is also used for withdrawing the left transverse plate and the right transverse plate from two sides of the skiing single plate to the inside of the skiing single plate when receiving the slope stabilizing detection instruction;
the speed sensing mechanism is packaged in the ski single board and used for sending a first control command when sensing that the movement amplitude of the ski single board per unit time exceeds the limit;
the embedded camera is embedded in the front end plate tip of the skiing veneer, is electrically connected with the speed sensing mechanism, and is used for starting the shooting operation of the skiing field in front of the skiing veneer when receiving the first control command so as to obtain the current shooting frame corresponding to the current moment;
the midpoint filtering equipment is connected with the embedded camera and used for executing midpoint filtering processing on the received current camera frame so as to obtain a corresponding content filtering image;
the DRAM memory chip is packaged in the ski single board and used for storing the gray upper limit value and the gray lower limit value which limit the gray distribution range of the snow imaging pixel point;
the snow body collecting mechanism is respectively connected with the midpoint filtering equipment and the DRAM memory chip and is used for taking pixel points of gray values in the content filtering image within the gray upper limit value and the gray lower limit value as snow body pixel points;
the first identification equipment is connected with the snow body acquisition mechanism and used for identifying the depth of field value of each snow body pixel point in the content filtering image;
the second identification device is respectively connected with the transverse plate driving mechanism and the first identification device and is used for receiving each depth of field value of each snow body pixel point in the content filtering image, acquiring the mean value of the depth of field values of all snow body pixel points of a top pixel row occupied by a snow body area formed by each snow body pixel point as a first mean value, acquiring the mean value of the depth of field values of all snow body pixel points of a bottom pixel row occupied by the snow body area formed by each snow body pixel point as a second mean value, and sending a steep slope detection instruction when the second mean value is smaller than the first mean value and the absolute value of the difference value between the first mean value and the second mean value exceeds a depth of field difference value threshold;
the second identification equipment is further used for sending a stable slope detection instruction when the second average value is smaller than the first average value and the absolute value of the difference value of the second average value and the first average value does not exceed the depth-of-field difference value threshold;
the body of the skiing veneer is a vertical plate vertical to the left lateral plate or the right lateral plate relative to the left lateral plate and the right lateral plate;
the transverse plate driving mechanism comprises a permanent magnet brushless motor and an inverting mechanism and is used for driving the left transverse plate and the right transverse plate.
2. The real-time grip force improving system based on environmental monitoring as claimed in claim 1, wherein:
the second identification device is further configured to obtain a gradient field of depth values in the content filtered image based on the depth values of the snow pixels in the content filtered image.
3. The real-time grip force improving system based on environmental monitoring as claimed in claim 2, wherein:
and the snow body acquisition mechanism is also used for taking pixel points of which the gray values are outside the gray upper limit value and the gray lower limit value in the content filtering image as non-snow body pixel points.
4. The real-time grip force improving system based on environmental monitoring as claimed in claim 3, wherein:
the speed sensing mechanism is also used for sending a second control command when sensing that the movement amplitude of the ski single board in unit time does not exceed the limit;
and the embedded camera is further used for stopping executing the image pickup operation of the skiing field in front of the skiing veneer when receiving the second control command.
5. The real-time grip force hoisting system based on environmental monitoring of claim 4, wherein the system further comprises:
and the wind speed measuring mechanism is arranged on the front end plate tip of the skiing veneer and is used for detecting the real-time wind speed of the environment where the front end plate tip of the skiing veneer is located.
6. The real-time grip force hoisting system based on environmental monitoring of claim 5, wherein the system further comprises:
and the humidity detection mechanism is arranged on the front end plate tip of the skiing veneer and used for detecting the air humidity of the environment where the front end plate tip of the skiing veneer is located.
7. The real-time grip force hoisting system based on environmental monitoring of claim 6, wherein the system further comprises:
and the instant alarm equipment is respectively connected with the wind speed measuring mechanism and the humidity detecting mechanism and is used for executing corresponding alarm operation when the output data of the wind speed measuring mechanism or the humidity detecting mechanism is abnormal.
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