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772 results about "Outer space" patented technology

Outer space, or simply space, is the expanse that exists beyond the Earth and between celestial bodies. Outer space is not completely empty—it is a hard vacuum containing a low density of particles, predominantly a plasma of hydrogen and helium, as well as electromagnetic radiation, magnetic fields, neutrinos, dust, and cosmic rays. The baseline temperature of outer space, as set by the background radiation from the Big Bang, is 2.7 kelvins (−270.45 °C; −454.81 °F). The plasma between galaxies accounts for about half of the baryonic (ordinary) matter in the universe; it has a number density of less than one hydrogen atom per cubic metre and a temperature of millions of kelvins; local concentrations of this plasma have condensed into stars and galaxies. Studies indicate that 90% of the mass in most galaxies is in an unknown form, called dark matter, which interacts with other matter through gravitational but not electromagnetic forces. Observations suggest that the majority of the mass-energy in the observable universe is dark energy, a type of vacuum energy that is poorly understood. Intergalactic space takes up most of the volume of the universe, but even galaxies and star systems consist almost entirely of empty space.

Method for controlling rigid spacecraft for target attitude tracking

The invention relates to a method for controlling a rigid spacecraft for target attitude tracking, and belongs to the technical field of the high-precision and high-stability attitude tracking control of spacecrafts. The method solves the problem that when the attitude tracking spacecraft runs in a low orbit in outer space, the conventional control method cannot eliminate the inherent flutter of a sliding mode variable structure. The method comprises the following steps: 1, establishing a kinetic model and a kinematic model of the rigid spacecraft; 2, setting an attitude tracking error and anexpected attitude parameter of the rigid spacecraft, and combining the attitude tracking error and the expectation attitude parameter with the kinetic model and the kinematic model to establish a mathematical model for the attitude tracking; 3, adopting a control algorithm of a sliding mode variable structure controller to adjust a control law of the mathematical model which is established in thestep 2 and is used for the attitude tracking, and simultaneously combining an observation result of a disturbance observer to modify the control law; and 4, controlling the rigid spacecraft by using the modified control law obtained in the step 3 to realize the attitude tracking. The method is suitable for the attitude tracking of targets running in the outer space.
Owner:HARBIN INST OF TECH

Method for constructing a chair-type, self-supported earth retaining wall

The present invention provides a method for constructing a chair-type, self-supported earth retaining wall used for retaining external forces such as earth pressure prior to an excavation. The method of the present invention forms a first column of piles having a plurality of piles arranged along the circumference of the region to be excavated. Subsequently, the method comprises forming a second column of piles having a plurality of piles by consecutively perforating a plurality of holes by a predetermined spacing at predetermined positions outwardly from the first column of piles, along the circumference of the region to be excavated, inserting H-beams into the respective holes, filling left and right spaces of the webs of the H-beams with soil, and filling the outer spaces of the flanges of the H-beams with a flowable stiffening material. The method subsequently comprises interconnecting the first column of piles and the second column of piles by a connection member. The first column of piles and the second column of piles are formed along the circumference of the region to be excavated, with an outward spacing, and connected to each other by the connection member.
The present invention provides a method for constructing a chair-type, self-supported earth retaining wall used for supporting external forces such as earth pressure prior to an excavation. The method of the present invention comprises forming a first pile array 20 having a plurality of piles 22 arranged along a circumference of an region to be excavated. Subsequently, the method comprises forming a second pile array 30 having a plurality of piles arranged along a circumference of the to-be-excavated region by consecutively drilling a plurality of boreholes 31 at predetermined intervals at predetermined positions outwardly spaced apart from the first pile array, inserting H-beams into the respective boreholes, filling left and right spaces of webs 34 of the H-beams 32 with soil 40, and filling the outer spaces of flanges 36 of the H-beams with a flowable hardening material 50.
The method subsequently comprises fixedly interconnecting the first pile array and the second pile array using a connection member. The first pile array and the second pile array are formed in such a fashion as to be outwardly spaced apart from each other along the circumferences of the to-be-excavated region, and are connected to each other by the connection member to construct an underground earth retaining wall.
Owner:KOLON CONSTR CO LTD

3D (three-dimensional) house display system, on-line house display system and on-line house sales method

InactiveCN103246992AAdd sales functionTransmissionMarketingUser inputVirtual camera
The invention provides a 3D (three-dimensional) house display system, which comprises a 3D house model, an input module, a virtual camera and a control module. The 3D house model is a house model created by using a 3D modeling technology; the input module is used by a user for inputting an operation instruction; the virtual camera can freely move in the inner space and the outer space of the 3D house model, and can be used for displaying the 3D house model from a visual angle of a corresponding position; and the control module is used for adjusting the position and the camera angle of the virtual camera according to the operation instruction input by the user. The 3D house display system provided by the invention utilizes the 3D technology, a house, even a residential quarter environment is modeled, a virtual display scene is created, the user can adjust the displaying position and angle of the scene according to needs at will, and even the user can change decorating styles and adjust decorating materials, etc. The 3D house display system is further applied to a cloud service network, the network is used for on-line display of the system, a corresponding sales function is added to the system, a complete on-line display and sales system is provided, and great convenience is provided for a seller and customers.
Owner:叶旭东

Weighntel

WEIGHNTEL is a weighing device, a scale that is capable of automatic instantaneous wireless transmission of recorded weights that are packaged or associated with other data as identification, date, and time. This is wireless transmission of a recorded weight and other business related data, of objects including living beings, to any location on earth or in outer space. Using existing technology a scale can be manufactured to accomplish electronic transmission of weights after recording them with account ID, date and time on a computer disc. Digital scales may be used and preferred over other traditional scales. Objects to be weighed vary from tiny objects such as jewelry, postal items, to human beings, pets and animals, cargo in seaports, airports, and rail stations or to be loaded on commercial or military trucks or other transportation vehicles. Weighing cargo in this innovative manner can help to safeguard against illegal interventions over time or space. Weighing human beings can help to generate a more accurate and meaningful weight record, or weight history from birth to end of life, or from any point of beginning to termination of the account. Adding a global locator feature could be of unimaginable security value especially if the devices are globally marketed. Adding a camera or video camera would perhaps be a luxury that increases the cost of production but also enhances security. Adding sensors such as a scanning device can help to pick a unit ID and include it with data to be transferred. The device could be programmed to make automatic corrections to weights that are influenced by geography in locations that alter the gravity effect. [e.g. a weight on earth is 6 times that on the moon]. Either the transmitter and receiver ends can be portable mobile or they can be stationary i.e. a scale can be small and portable or huge and fixed to a location. A receiver can be a portable hand held device, a telephone or a stationary computer or a laptop. Transmission is basically performed by an electronic transmission device in a manner similar to TCP/IP packet transmission or email transmission between two ends or computers. Wireless data transmission happens from scale to a location on the Internet, Intranet or any receiver device and vice versa using end to end wireless data transmission protocol. Every transmitting device within a scale is programmed for a specific goal that is defined by the type of business involved. Every receiver device and each software program is built for a specific goal that is defined by the type of business involved. At the receiver end transmitted data are automatically entered into the account ID file. Data are further processed to produce a graph or a table or both showing the details of the transaction and relation to prior transactions. A printable file shows weight progress from the date of subscription to the account to the date of the last transaction. With each transaction a new updated file is produced without deleting previous records.
Owner:ELDEIRY SUBHI K

Grid-control graphene nano-ribbon array THz (terahertz) detector and tuning method

The invention relates to a terahertz detector, in particular to a grid-control graphene nano-ribbon array THz (terahertz) detector and a tuning method. The detector comprises a bottom grid 1, a low-resistivity silicon substrate 2, a double-layer graphene nano-ribbon array 3, source and drain electrodes 4 and 5, insulating layers 6, top grids 7, 8 and 9 and a driving circuit 10. The double-layer graphene nano-ribbon array 3, the source and drain electrodes 4 and 5, the insulating layers 6, the top grids 7, 8 and 9 and the driving circuit 10 are arranged on the substrate. The tuning method includes constructing grid-control double-layer graphene nano-ribbon arrays with different widths by the aid of energy gap double regulation and control mechanisms of double-layer graphene under the effects of lateral constraints and perpendicular electric fields; changing grid voltages; synchronously scanning terahertz waves in a subsection manner to achieve the purpose of detecting wide bands. The grid-control graphene nano-ribbon array THz detector and the tuning method have the advantages of high sensitivity, fast response, broad detection band widths, flexibility in regulation, simple structure, convenience in integration, small size and capability of working at room temperatures. Besides, the grid-control graphene nano-ribbon array THz detector and the tuning method can be widely applied to security inspection, drug enforcement, anti-terrorism, medical imaging, nondestructive examination, electronic countermeasure, radar, remote sensing and outer space wideband communication fields and the like.
Owner:CHONGQING UNIV

Semi-active six-degree-of-freedom simulation device

The invention provides a semi-active six-degree-of-freedom simulation device, which aims to solve the problems of high manufacturing cost and low safety due to active control over the simulation of a six-degree-of-freedom floating state of a spacecraft under the outer space weightless condition and poor simulation effects and high resistance due to the adoption of a passive control mode. An air foot is connected with a lower connecting plate through a connecting rod; the lower connecting plate is connected with an upper connecting plate through a vertical column; the two ends of a feed rod are connected with the lower connecting plate and the upper connecting plate respectively; a first end of a screw rod is connected with the lower connecting plate; a second end of the screw rod penetrates through the upper connecting plate to be driven by a motor; the screw rod is connected with a sliding block through a nut; the feed rod is connected with the sliding block through a sliding sleeve; the sliding block is connected with pitching shafts on the two sides through a force sensor; a pitching frame is arranged on the pitching shafts through a second bearing; the nut is used for fixing the bearing; and a mounting plate is arranged on the pitching frame through a first bearing. The device has the advantages of active simulation modes and passive simulation modes, and is a six-degree-of-freedom floating state simulation device which has low manufacturing cost and a good simulation effect and is safely used.
Owner:HARBIN INST OF TECH

Shielding surface apparatus with space capable of being expanded

The invention discloses a spatial expandable ground plane device, comprising folding ring rods, ring rod connecting joints, folding rib rods, rib rod connecting joints, ring-rib connecting joints and rib frame connecting joints. The folding ring rods and the folding rib rods can be expanded from a vertical furled state to a horizontal working state through the ring rod connecting joints and the rib rod connecting joints. The ring-rib connecting joints and the rib frame connecting joints connect a ring structure with a rib structure to become a furled/expanded integral structure. A wire mesh or an aluminum-plated thin film is bound with the integral structure, so as to form the spatial expandable ground plane device. In a bound furled state, torsion springs in the ring rod connecting joints and the rib rod connecting joints store elastic potential energy; after binding is removed, the elastic potential energy of the torsion springs is transformed into driving energy so as to drive the ring rods and the rib rods to be expanded and locked automatically. The device has excellent comprehensive performance indexes of low surface density, high configuration precision and high ingathering rate, which can be used as an expandable support device in outer space or on ground.
Owner:XIDIAN UNIV

Design of inflation type space expandable device

The invention discloses an inflation type space expandable device which is composed of an inflation film structure 1, a mechanical expandable structure 2 and an adjusting cradle head 3. The inflation film structure is composed of a film transmission film, a film reflection face, an outer film connecting edge, connecting springs, a film supporting ring, an air tap, an air pipe and the like. The mechanical expandable structure is composed of an upper platform, a lifting platform, a lower platform, long expanding rods, short expanding rods, a ball screw, a linear bearing, a stepping motor, a limiting switch and the like. The adjusting cradle head is composed of a cradle head height angle assembly, a cradle head horizontal angle assembly and a cradle head base. The inflation and deflation actions of the inflation film structure, the expanding and retracting actions of the mechanical expandable structure and the adjusting action conducted by the adjusting cradle head on the horizontal angle and the height angle of the reflection face are all controlled through a single-chip microcomputer controller, and the inflation film expanding and retracting functions and the reflection face reflection function are achieved. By the adoption of the inflation type space expandable device, the structure is simple, the adjusting accuracy is high, a control system is simple and effective, the launching size of a large-caliber outer space device can be effectively reduced, and the application prospect is wide.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Thermoelectric power generation device based on radiation refrigeration and efficient absorption of solar energy

A thermoelectric power generation device based on radiation refrigeration and efficient absorption of solar energy includes a carbon nanoparticle film, a semiconductor thermoelectric power generationsheet assembly, a radiation cooling film, supporting pillars arranged under the semiconductor thermoelectric power generation sheet assembly, and a reflective concentrator reflecting sunlight to the lower surface of the carbon nanoparticle film. The semiconductor thermoelectric power generation sheet assembly includes an upper insulating heat conduction plate I, a semiconductor thermoelectric device and a lower insulating heat conduction plate II arranged in turn from top to bottom. A load and a data collector are connected in turn between the two ends of the semiconductor thermoelectric device. The radiation cooling film is attached to the upper surface of the upper insulating heat conduction plate I, and the carbon nanoparticle film is attached to the lower surface of the lower insulating heat conduction plate II. The radiation refrigeration end of the device can achieve lower temperature by radiation heat exchange with outer space, and the temperature can be 10 more degrees lower than the ambient temperature, so that a large temperature difference and a high voltage are formed at the two ends of the semiconductor thermoelectric device, and the problem of less heat exchange between the traditional heat sink and the environment per unit time is solved.
Owner:CHINA UNIV OF MINING & TECH

Spatial day-and-night temperature difference generating device and method

ActiveCN102307030ASolve the problem of low power generation efficiency during the sunshine periodContinuous and efficient power supplyGenerators/motorsHeat storage materialTemperature difference
The invention discloses a spatial day-and-night temperature difference generating device and method and belongs to the technical field of spatial thermal power generation. The spatial day-and-night temperature difference generating device is composed of a heat storage system, a generation system and a cold storage system sequentially. The spatial day-and-night temperature difference generating method is as follows: the day-and-night temperature difference generating device is placed in an atmospheric outer space or on the lunar surface; a heat accumulator can simultaneously absorb and release heats and a regenerator only absorbs the heats under the illumination; and the heat accumulator only releases the heats and the regenerator can simultaneously absorb and release the heats without illumination, thus the generation system can realize the uninterrupted work. The device and method provided by the invention have the beneficial effects that two energy storage devices (one device is equipped with heat storage materials and the other device is equipped with cold storage materials) can be used for converting the temperature difference at different time in the outer space into the temperature difference at the same time to carry out heat exchange, thus the problem of the low generating efficiency of the existing spatial thermal generation system during the sunshine period can be solved, and the continuous and efficient power supply can be realized by virtue of alternative storage and release of the energy.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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