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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 21. Отображено 21.
02-12-2009 дата публикации

Method for dynamically monitoring execution flow of binary internal translator by using monitoring thread

Номер: CN0101593125A
Автор: GUAN HAIBING, LIANG ALEI, LI XIAOLONG, NI ZHICHEN, DENG HAIPENG, HAIBING GUAN, ALEI LIANG, XIAOLONG LI, ZHICHEN NI, HAIPENG DENG
Принадлежит:

The invention provides a method for dynamically monitoring an execution flow of a binary translator by using a monitoring thread, which comprises the following steps that: firstly, a new program monitoring thread MT is created for the prior dynamic binary translation system; and secondly, a stub code is inserted in each translation-generating basic block, wherein when executed, each basic block write the entry address thereof into a queue, and queue overflow is prevented by interthread wait; thirdly, the monitoring thread MT is responsible for taking the entry addresses out sequentially, searching for corresponding intermediate instruction basic blocks, updating corresponding data structure according to the termination types of the basic blocks and completing the program monitoring; and finally, referring to part of collected information, the monitoring thread, as a decision maker, completes the optimization of the establishment of a heat path. Compared with the prior program monitoring ...

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Номер записи: 1
16-09-2015 дата публикации

Gardens harrow

Номер: CN0204634472U
Автор: LI SHUIXIONG, WANG HUCHEN, ZENG XIANG, ZHANG YUHANG, JIANG PEIWEN, FENG YAODONG, DENG ZHUHAO, XIAO CHENXI, DENG HAIPENG, HUANG YONGHUA, LAI YUANFA
Принадлежит:

The utility model provides a gardens harrow, includes the handle, installing GPS positioner on hand, handle one end is equipped with the horizontal pole, be provided with the rake teeth on the horizontal pole, also be provided with on the horizontal pole with the rake teeth becomes the broom head of an angle, the utility model provides a pair of gardens harrow, easily manages, is difficult for losing convenient to use, and the use can constantly be changed to the rake teeth and the broom head that are provided on the horizontal pole, can more effectively safeguard gardens, brings great facility for gardener's work.

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Номер записи: 2
04-07-2023 дата публикации

Missile online energy management guidance law construction method

Номер: CN116379847A
Автор: MIAO HAOCHUN, GAO DENGWEI, LI JINPING, DENG HAIPENG, LI QI, CHANG JIANG, PAN RUI, FAN ZHONGPING, PEI PEI, ZHANG YIJIE, ZHANG ZHEMING, LI YAJUN, ZHANG MENGDIAN, ZHANG JIANSONG, LI HAOYUAN, FAN XIN, LI WANQIU
Принадлежит:

The invention discloses a guided missile on-line energy management guidance law construction method. The method comprises the steps that firstly, end speed on-line prediction is achieved through parallel calculation by adopting variable step size integration; secondly, calculating an additional sideslip angle amplitude by using a Gaussian Newton method to decelerate; then setting a speed tracking switching channel to perform additional sideslip angle direction switching; and finally, overload tracking is performed according to the additional sideslip angle output quantity to realize lateral maneuvering penetration and deceleration. The method is long in action time, high in calculation precision, capable of increasing the penetration probability while reducing the speed, and high in engineering practice ability.

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Номер записи: 3
11-08-2023 дата публикации

Vertical launching remote missile turning program angle generation method capable of reducing height distribution

Номер: CN116576737A
Автор: MIAO HAOCHUN, DENG HAIPENG, NIU ZHIQI, LIU MENGYAN, LI JINPING, GAO DENGWEI, YANG YUNGANG, LIU QI, FAN XIN, LI WANQIU, YAN JUNLIANG, ZHU KEWEI, WANG JIAO, LOU JIANG, ZHOU QUNKAI, HAN YAN, DAI CUNXI
Принадлежит:

The invention discloses a vertical launching remote missile turning program angle generation method capable of reducing height dispersion, which takes a vertical launching remote missile as a background, studies a trajectory inclination angle instruction interpolation method of an initial climbing section, defines a new trajectory inclination angle instruction reference axis, and generates a new trajectory inclination angle instruction. And an interpolation table is generated by using the inclination angle instruction obtained through pre-launching optimization and the reference axis, the projection of the missile position on the reference axis is used as an interpolation variable to carry out one-dimensional interpolation to obtain the ballistic inclination angle instruction, and the calculation result shows that the ballistic height dispersion problem caused by the time interpolation ballistic inclination angle instruction can be effectively solved.

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Номер записи: 4
08-08-2023 дата публикации

Hypersonic velocity rocket projectile filtering method

Номер: CN116566358A
Автор: LIU JUNSHENG, MIAO HAOCHUN, DENG HAIPENG, LI JINPING, YANG SHUXING, LI QI, GAO DENGWEI, SONG YUHANG, PAN RUI, PEI PEI, ZHANG BAO, LIU MENGYAN, MA JIRONG, HAN YAN, DAI CUNXI, CHANG JIANG, CHENG DONG, LU YING, WANG CHEN
Принадлежит:

The invention discloses a hypersonic velocity rocket projectile filtering method, which comprises the steps of firstly discretizing a filter by adopting a bilinear transformation method, then designing a filtering algorithm, and realizing a 2ms filtering effect in a 4ms resolving period, and a test shows that the optimized filtering algorithm has a better effect.

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Номер записи: 5
30-05-2023 дата публикации

Guidance ammunition belt falling angle constraint guidance information extraction method suitable for image seeker

Номер: CN116182647A
Автор: PAN RUI, YANG SHUXING, LI JINPING, MIAO HAOCHUN, CHANG JIANG, DENG HAIPENG, CHENG DONG, LU YING, DONG TAO, WANG CHEN
Принадлежит:

The invention relates to a guidance ammunition belt falling angle constraint guidance information extraction method suitable for an image seeker, and belongs to the field of guidance control. According to the method, the definition of the image seeker on the sight angle and the sight angle speed and the conversion relation between the image seeker and a common coordinate system are deeply analyzed, an existing guidance information extraction method is innovatively improved, and the precision and falling angle requirements of the guided ammunition when the tail end posture changes drastically are effectively guaranteed. The method comprises the following steps: firstly, filtering a sight angular velocity measured by a seeker to eliminate noise influence; secondly, innovatively introducing attitude information obtained by inertial navigation measurement and frame angle information obtained by seeker measurement, and rotating a sight line angular velocity to obtain a sight line angular velocity ...

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Номер записи: 6
12-05-2023 дата публикации

Test block maintenance and compression test system

Номер: CN116106562A
Автор: LUO PIN, HUANG WEI, HUANG JIA, KIM YEON-KWANG, PANG CHENGWEI, DENG HAIPENG, ZHENG LIANGXIAN
Принадлежит:

The invention provides a test block curing and compression test system which comprises a curing chamber and a laboratory, a conveying system extends into the laboratory from the curing chamber, a test block curing frame unit is distributed in the curing chamber, and a grabbing manipulator is arranged between the test block curing frame unit and the conveying system. The grabbing manipulator is used for grabbing the test blocks on the test block maintenance frame body unit and transferring the test blocks to the conveying system, and the test blocks are conveyed into a laboratory through the conveying system; a grabbing manipulator is also arranged between the conveying system in the laboratory and the pressure testing machine and is used for transferring the test block conveyed to a specified position by the conveying system to the pressure testing machine for pressure testing; the conveying system, the pressure testing machine and the grabbing manipulator are electrically connected with ...

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Номер записи: 7
14-03-2012 дата публикации

Method for dynamically monitoring execution flow of binary internal translator by using monitoring thread

Номер: CN0101593125B
Автор: GUAN HAIBING, LIANG ALEI, LI XIAOLONG, NI ZHICHEN, DENG HAIPENG, HAIBING GUAN, ALEI LIANG, XIAOLONG LI, ZHICHEN NI, HAIPENG DENG
Принадлежит:

The invention provides a method for dynamically monitoring an execution flow of a binary translator by using a monitoring thread, which comprises the following steps that: firstly, a new program monitoring thread MT is created for the prior dynamic binary translation system; and secondly, a stub code is inserted in each translation-generating basic block, wherein when executed, each basic block write the entry address thereof into a queue, and queue overflow is prevented by interthread wait; thirdly, the monitoring thread MT is responsible for taking the entry addresses out sequentially, searching for corresponding intermediate instruction basic blocks, updating corresponding data structure according to the termination types of the basic blocks and completing the program monitoring; and finally, referring to part of collected information, the monitoring thread, as a decision maker, completes the optimization of the establishment of a heat path. Compared with the prior program monitoring ...

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Номер записи: 8
27-06-2023 дата публикации

Global search fast convergence multi-constraint trajectory optimization method

Номер: CN116341390A
Автор: LIU JUNSHENG, NIU ZHIQI, YANG YUNGANG, YANG SHUXING, MIAO JINSONG, LI QI, LI HAO, WEI QI, PEI PEI, PANG CHUANBO, DENG HAIPENG, GAO DENGWEI, ZHANG YONGLI, GUO GUOQIANG, SI RENHUI, LI YAO, DU YUNLI
Принадлежит:

The invention provides a global search fast convergence multi-constraint ballistic optimization method, which comprises the following steps of: forming an optimization variable by using attack angles at a plurality of discrete moments, establishing an improved particle swarm optimization algorithm, and obtaining a global optimal solution meeting multi-constraint conditions such as a falling angle, a falling speed, a ballistic height, a maximum overload or normal force, a heat flux and the like of a guided rocket. And when the fitness value of the optimization objective function is converged, obtaining an optimal attack angle sequence and an optimal trajectory. According to the method, rapid iteration convergence can be carried out under the multi-constraint conditions of the falling angle, the falling speed, the trajectory height, the maximum overload or normal force, the heat flux density and the like of the guided rocket, the optimal trajectory is obtained, algorithm prematurity and falling ...

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Номер записи: 9
08-08-2023 дата публикации

Lateral fly-around method considering available overload constraint

Номер: CN116562052A
Автор: LI JINPING, LIU JUNSHENG, GAO DENGWEI, ZHANG MENGDIAN, DENG HAIPENG, LI YAJUN, CHANG JIANG, ZHANG ZHEMING, ZHANG YIJIE
Принадлежит:

The invention discloses a lateral fly-around method considering available overload constraints, which can realize lateral fly-around trajectory design under complex overload constraints, and can realize lateral fly-around trajectory design by deeply analyzing available overload characteristics of a hypersonic aircraft and fully considering lateral maneuvering capability. A method for calculating piecewise polynomial coefficients is innovatively proposed to solve the problem of lateral ballistic fly-around design under lateral overload constraint. The method comprises the following steps: firstly, determining flight pressure in a flight process according to flight height and flight speed in a flight path library, and determining lateral maximum available overload; secondly, presetting a high-order piecewise polynomial to represent lateral position, speed, acceleration and jerk; finally, the problem is converted into a standard quadratic programming problem for rapid calculation, and a lateral ...

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Номер записи: 10
01-08-2023 дата публикации

Method for constructing overload ablation estimation model of large-diameter solid rocket engine

Номер: CN116522504A
Автор: LIU JUNSHENG, YANG YUNGANG, NIU ZHIQI, YANG SHUXING, LI HAO, LI QI, MIAO JINGSONG, PEI PEI, WEI QI, GUO GUOQIANG, SI RENHUI, DANG JINFENG, DAI CUNXI, DENG HAIPENG, SONG YUHANG
Принадлежит:

The invention discloses a large-caliber solid rocket engine overload ablation estimation model construction method, which comprises the following steps: firstly, carrying out transverse overload comprehensive treatment on a solid rocket engine, and establishing an overload ablation estimation model; then according to the content of aluminum powder in the propellant, basic parameters of the ablation rate are determined, the overload ablation amount is obtained through integration, and finally the ablation condition of the heat insulation layer is evaluated. According to the method, the overload ablation rule is quantitatively expressed and can be used as a reference basis for large-caliber guided rocket trajectory design and engine design, and engineering implementation is easy.

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Номер записи: 11
16-05-2023 дата публикации

Assembling and welding device for inner convex mounting seat of inner ring assembly of engine

Номер: CN116117287A
Автор: DENG YUANGUI, TU QUAN, DING QINGGUO, SHANGGUAN YANBO, CHEN CHENG, CHEN CHUAN, HE GANG, ZOU CHAOLIANG, DENG HAIPENG, YANG YONGGANG, JIN XINFU, YU YONG
Принадлежит:

The invention relates to an assembling and welding device for an inner convex mounting seat of an inner ring assembly of an engine, which comprises a chassis, a supporting ring, a steel positioning ring, a copper positioning ring, a guide post, a pressing disc gland and a shoulder nut, and a funnel-shaped mounting surface formed after the steel positioning ring and the copper positioning ring are connected and mounted is matched with the outer wall of the engine inner ring assembly to be machined in shape. Compared with a traditional tool, the limiting device uses the inner molded surface to limit the metal plate inner ring, the two annular pressing blocks with different diameters press the metal plate inner ring to automatically align the axial position and the circumferential position of the metal plate inner ring, clamping and positioning are accurate, rapid and stable, and dismounting is convenient and rapid; after assembling and welding, the concentricity of the two ends of the metal ...

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Номер записи: 12
30-06-2023 дата публикации

Non-singular multi-constraint trajectory rapid optimization method

Номер: CN116362163A
Автор: LIU JUNSHENG, MIAO HAOCHUN, GAO DENGWEI, LI JINPING, DENG HAIPENG, LI QI, CHANG JIANG, PAN RUI, FAN ZHONGPING, ZHANG YIJIE, ZHANG ZHEMING, LI YAJUN, ZHANG MENGDIAN, ZHANG JIANSONG, LI HAOYUAN, DU YUNLI
Принадлежит:

The invention discloses a non-singular multi-constraint ballistic rapid optimization method, which comprises the following steps of: firstly, according to an ultra-remote ballistic kinetic equation under an existing launch system, obtaining the influence of long-time acting forces such as earth gravity perturbation, additional Ge-type inertia force, centrifugal inertia force, high-altitude wind and the like; secondly, converting variables of a body coordinate system and a launch system into a velocity system by the attitude matrix to obtain a vertical launch nonsingular trajectory equation under the velocity system; thirdly, control variable output is set as derivatives of the attack angle and the sideslip angle, and state variables are set as the launch system speed, the ballistic inclination angle, the ballistic deflection angle, the attack angle and the sideslip angle; and finally, carrying out rapid trajectory optimization on the state quantities by a pseudo-spectral method, and carrying ...

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Номер записи: 13
25-07-2023 дата публикации

Integrated steel casing sinking device and using method thereof

Номер: CN116479883A
Автор: DENG HAIPENG, XU ZHAN, JIANG HANYI, HUANG ZIYAN
Принадлежит:

The invention discloses an integrated steel casing sinking device and a using method thereof. The device comprises a spiral drill rod, and the outer wall of the spiral drill rod is provided with paddle-shaped blades which continuously rotate and ascend; the motion isolation unit comprises a positioning assembly, a positioning base body, a clamping groove formed in the wall of the steel casing and a clamping unit; the elastic centering unit comprises an abutting wheel, a rotary connecting block, a sliding telescopic rod, a centering spring arranged on the outer wall of the sliding telescopic rod in a sleeving mode, a tail limiting groove and a drilling condition sensing unit. The spiral drill rod is used as a piling drill bit, so that the technical effect of excavating a soil layer is achieved, and meanwhile, the excavated soil can be automatically conveyed upwards by utilizing a spirally ascending paddle-shaped blade structure; in addition, the motion state of the drill bit is isolated ...

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Номер записи: 14
22-08-2023 дата публикации

Super-Nyquist Cholesky precoding method based on cyclic convolution

Номер: CN116633736A
Автор: LI QIANG, YANG QINSHUO, LI LIPING, DENG HAIPENG, LIU CHUN, CHENG NUO
Принадлежит:

The invention discloses a super-Nyquist Cholesky precoding method based on cyclic convolution. The method comprises the following steps: acquiring an intersymbol interference matrix and a sending symbol block of a super-Nyquist system; performing Cholesky decomposition on the intersymbol interference matrix to obtain a first matrix and a second matrix; performing Cholesky pre-coding on the sending symbol block based on the first matrix to obtain a coded sending symbol block; replacing the linear convolution of the baseband shaping filter with a first cyclic convolution, and carrying out a super-Nyquist shaping operation on the coded sending symbol block based on the first cyclic convolution to obtain a transmitting symbol block; replacing the linear convolution of the matched filter with a second cyclic convolution, and performing matched filtering operation on the transmitting symbol block based on the second cyclic convolution to obtain a receiving symbol block; and performing Cholesky ...

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Номер записи: 15
22-12-2010 дата публикации

Program execution optimization method on basis of copying codes for forming superblock

Номер: CN0101923481A
Автор: HAIBING GUAN, KAI CHEN, HAIPENG DENG, BO LIU, ZHANG JUN, GUAN HAIBING, CHEN KAI, DENG HAIPENG, LIU BO
Принадлежит:

The invention relates to a program execution optimization method on basis of copying codes for forming superblock in the computer technical field. The method comprises the following steps: programs are divided, the detection command is inserted to construct an intermediate language superblock, then the balance mechanism parameter of the intermediate language superblock is set and generated, screening guide treatment is performed; and the intermediate language superblock is translated to a target superblock, and the target superblock is executed by a binary translator. The invention is used to generate the superblock by copying the codes of basic blocks, thus the length of basic blocks is increased, the number of basic blocks is reduced, the quality of the superblock is improved, and the portability is good.

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Номер записи: 16
29-08-2023 дата публикации

Faster-Nyquist system frequency domain equalization method without cyclic prefix

Номер: CN116668246A
Автор: LI QIANG, CHENG NUO, LI LIPING, YANG QINSHUO, DENG HAIPENG, LIU CHUN
Принадлежит:

The invention discloses a super-Nyquist system frequency domain equalization method without a cyclic prefix, which belongs to the technical field of communication and comprises the following steps of: calculating an inter-symbol interference factor of a super-Nyquist system; obtaining an inter-symbol interference matrix of the faster-than-Nyquist system; calculating a Fourier transform matrix, and performing singular value decomposition on the intersymbol interference matrix to obtain a diagonal matrix of the intersymbol interference matrix; dividing sending symbol blocks in a super-Nyquist system transmitter; pre-coding the sending symbol block by using the pre-coding matrix; linear convolution in a baseband shaping filter of the super-Nyquist system is replaced with cyclic convolution, and super-Nyquist shaping is carried out; linear convolution in a super-Nyquist system matched filter is replaced with cyclic convolution, and matched filtering is carried out; and performing frequency ...

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Номер записи: 17
23-06-2023 дата публикации

Extra-remote guidance rocket range capability evaluation method based on sensitivity factor analysis

Номер: CN116305590A
Автор: NIU ZHIQI, LIU JUNSHENG, LI QI, YANG SHUXING, MIAO JINSONG, YANG YUNGANG, LI HAO, WEI QI, PEI PEI, PANG CHUANBO, LYU HONGYING, LI XIAOPENG, DENG HAIPENG, SI RENHUI, SONG YUHANG, DU YUNLI
Принадлежит:

The invention discloses an ultra-long-distance guided rocket range capability evaluation method based on sensitivity factor analysis, which comprises the following steps: firstly, establishing a differential expression between a guided rocket gliding section range and mechanical energy, and then introducing a quasi-equilibrium gliding condition and engine inner trajectory characteristics; the method comprises the following steps: establishing a guided rocket glide range analysis and evaluation formula about ballistic characteristics in an engine, then determining guided rocket range influence factors, calculating sensitivity factors of the guided rocket range influence factors, and finally analyzing the influence relationship of each factor on the guided rocket range based on the sensitivity factors. The ultra-long-distance guided rocket range capability evaluation method based on sensitivity factor analysis has the characteristics of simple form, high universality and the like, and can ...

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Номер записи: 18
22-08-2023 дата публикации

Super-Nyquist system GMD precoding method based on cyclic convolution

Номер: CN116633733A
Автор: LI QIANG, DENG HAIPENG, LI LIPING, LIU CHUN, CHENG NUO, YANG QINSHUO
Принадлежит:

The invention discloses a GMD precoding method for a super-Nyquist system based on cyclic convolution. The method comprises the following steps: obtaining an intersymbol interference matrix and a sending symbol block of the super-Nyquist system; performing GMD decomposition on the intersymbol interference matrix to obtain a first matrix, a second matrix and a third matrix; performing GMD pre-coding on the sending symbol block based on the third matrix to obtain a coded sending symbol block; replacing the linear convolution of the baseband shaping filter with a first cyclic convolution, and carrying out a super-Nyquist shaping operation on the coded sending symbol block based on the first cyclic convolution to obtain a transmitting symbol block; replacing the linear convolution of the matched filter with a second cyclic convolution, and performing matched filtering operation on the transmitting symbol block based on the second cyclic convolution to obtain a receiving symbol block; and based ...

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Номер записи: 19
27-06-2023 дата публикации

Rocket projectile elastic vibration frequency online identification and suppression method

Номер: CN116340730A
Автор: DENG HAIPENG, MIAO HAOCHUN, LI JINPING, YANG SHUXING, GAO DENGWEI, YANG YUNGANG, SONG YUHANG, PAN RUI, ZHANG BAO, LIU MENGYAN, MA JIRONG, CHANG JIANG, CHENG DONG, LU YING, HAN YAN, DAI CUNXI
Принадлежит:

The invention discloses a rocket projectile elastic vibration frequency online identification and suppression method, which comprises the following steps of: firstly, performing time-frequency analysis on a signal output by a rate gyroscope or an accelerometer by using sliding window Fourier transform, and identifying the elastic vibration frequency in real time in a concerned frequency band range; and then parameters of the notch filter are adjusted in a targeted manner according to an identification result, so that the notch center frequency is always the elastic vibration frequency, and a relatively good filtering effect is obtained.

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Номер записи: 20
30-06-2023 дата публикации

Closed-loop adjustment method for initial mechanical energy of gliding extended range section of ballistic missile

Номер: CN116361926A
Автор: MIAO HAOCHUN, GAO DENGWEI, LI JINPING, DENG HAIPENG, LI QI, CHANG JIANG, PAN RUI, FAN ZHONGPING, PEI PEI, ZHANG YIJIE, ZHANG ZHEMING, LI YAJUN, ZHANG MENGDIAN, ZHANG JIANSONG, LI HAOYUAN
Принадлежит:

The invention discloses an initial mechanical energy closed-loop adjustment method for a gliding extended range section of a ballistic missile, which comprises the following steps of: firstly, establishing a function relationship between a residual range and mechanical energy so as to achieve the purpose of predicting the mechanical energy under any residual range; and secondly, closed-loop energy correction is carried out by increasing or shortening the low-altitude climbing time of the missile to achieve the purpose of additional resistance by utilizing closed-loop correction of a climbing scheme angle. The strategy is high in calculation efficiency and strong in correction capability, and engineering is easy to realize.

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Номер записи: 21