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105 results about "Orientation function" patented technology

Orientation may refer to: Map orientation, the relationship between directions on a map and compass directions. Orientation (mental), a function of the mind.

Drilling azimuth angle and dip angle positioning device and positioning method thereof

The invention discloses a drilling azimuth angle and dip angle positioning device and a positioning method thereof. The drilling azimuth angle and dip angle positioning device comprises a base unit, an adjusting unit, a dip angle measuring unit and an azimuth angle measuring unit, wherein the adjusting unit is fixed onto the base unit and used for adjusting the reference positions of the dip angle measuring unit and the azimuth angle measuring unit; the dip angle measuring unit and the azimuth angle measuring unit are fixed onto the adjusting unit, the dip angle measuring unit is used for measuring drilling dip angles, and the azimuth angle measuring unit is used for measuring drilling azimuth angles. The drilling azimuth angle and dip angle positioning device has the advantages that the drilling azimuth angles and dip angles can be positioned conveniently, fast and accurately before drilling; the drilling azimuth angles and dip angles can be positioned by using the properties of parallel lines and isosceles triangles, using laser ranging and orientation functions matched with an auxiliary mechanism and using the dip angles and azimuth angles of a drill stem to position the azimuth angles and dip angles of an orifice pipe, operation by one person is achieved, and the azimuth angles and dip angles of the drill stem can be measured fast and accurately in a dynamic and integrated manner.
Owner:SHANDONG UNIV

Flywheel controlled sun capturing and sun orientation method by using star sensor information

ActiveCN107600464AMake up for the defect of not being able to orient without interruptionSpacecraft guiding apparatusQuaternionAngular velocity
Disclosed is a flywheel controlled sun capturing and sun orientation method by using star sensor information. The method comprises the following steps that 1, measured information qbi of a start sensor and direction qsi of sun in an inertial system are used to calculate sun vector coordinate system quaternion qsd conveted from a vector coordinate system d in a satellite star body; 2, characteristics of the sun vector coordinate system quaternion qsd conveted from the vector coordinate system d, maximum angular velocity Omega max of the attitude maneuver and flywheel output torque Mm are used to calculate parameter Phi, and an attitude maneuver path is planned according to the parameter Phi; and 3, a control law is designed according to the attitude maneuver path planned in the step 2, andthe control quantity is allocated to a flywheel group to control a satellite to realize sun orientation of a vector d. The flywheel controlled sun capturing and sun orientation method is a supplementorientation mean of sun orientation by using a sun sensor, a system is simple and reliable, the sun orientation function in a shadow area can be implemented, and the defect that the sun sensor cannotbe continuously oriented is remedied.
Owner:SHANGHAI AEROSPACE CONTROL TECH INST

Garlic planter

The invention relates to a planter, in particular to a garlic planter which can realize automatic operation. The garlic planter comprises a machine frame, a seed discharging device, a seed guiding device, a planting device, a walking device and a speed change device, wherein the seed discharging device, the seed guiding device, the planting device, the walking device and the speed change device are arranged on the machine frame; the machine frame consists of a side plate I, a side plate II, a bottom plate and a seed sieving plate supporting frame, the side plate I and the side plate II are arranged in parallel, the seed sieving plate supporting frame and a bottom plate fixing frame are arranged between the side plate I and the side plate II, the seed sieving plate supporting frame and the bottom plate are arranged in parallel, and the machine frame is connected with a tractor through a connecting rod; the seed discharging device is erected at an upper position between the side plate I and the side plate II; the seed guiding device is erected under the seed discharging device; the planting device is arranged at the lower end of the seed guiding device; the walking device is arranged at an inclined rear position of the bottom plate; the speed change device is fixedly arranged at the front part of the bottom plate, and is connected with a motor of the tractor. Spiral seed guiding pipes have a good automatic orientation function, so that the rate that scaly buds face upwards can be ensured to be 96%, mechanized sowing can be realized, the production efficiency is high, and the garlic sprouting rate is high.
Owner:张立娟

Monitoring and orientation system of pollution sources of electrical energy quality

The invention relates to a monitoring device, in particular to a monitoring and orientation system of pollution sources of electrical energy quality. The system provides monitoring and orientation of flickering pollution sources of an electrical network, realizes conjoint analysis of voltage signals and current signals for the first time, identifies the sources of flickering pollution components contained in load voltage or load current to achieve the technical purpose of flickering pollution orientation, and further provides monitoring and orientation of harmonic pollution sources and monitoring and orientation of sudden rise and sudden drop of voltage. The system realizes the on-line orientation function of the pollution sources of the electrical energy quality for the first time, provides effective centralized processing for a power supply system, avoids large-scale propagation of pollution signals, improves the power supply quality of the electrical network, provides unified standards and a theoretical basis for the solution of the pollution sources of the electrical energy, and has significance for technical development of monitoring and orientation of the pollution sources of the electrical network.
Owner:FUJIAN ELECTRIC POWER TEST & RES INST +1

Robot obstacle avoidance guiding method based on Skinner operating condition reflection principle

The invention relates to a robot obstacle avoidance guiding method based on the Skinner operating condition reflection principle. The method comprises the steps that firstly, the action set probabilities of a robot are established and are evenly distributed; one action is selected at random, the corresponding position change is calculated, the negative ideal degree corresponding to a new position is worked out according to the distance between the robot and an obstacle and the distance between the robot and a target point, then the orientation function value is obtained, the action probability distribution is adjusted according to the orientation function value and the operating condition reflection principle, and system entropy is calculated; when the system entropy is close to the minimum, the robot advances by the angle at which the action with the largest probability points; the learning process is repeated until the robot arrives at the destination. According to the method, the robot can well simulate the operating condition reflex behaviors of people and animals, the intelligent level of the robot is improved, the robot has strong self-learning, self-organizing and self-adapting capabilities, the robot can explore the environment by itself and successfully avoid the obstacle to perform guiding without an advisor signal.
Owner:BEIJING UNIV OF TECH

Intrinsically motivated extreme learning machine autonomous development system and operating method thereof

InactiveCN106598058AImprove learning initiativeImprove the speed of adaptation to the environmentNeural architecturesAttitude controlLearning machineOrientation function
The invention belongs to the technical field of intelligent robots, and concretely relates to an intrinsically motivated extreme learning machine autonomous development system and an operating method thereof. The autonomous development system comprises an inner state set, a motion set, a state transition function, an intrinsic motivation orientation function, a reward signal, a reinforced learning update iteration formula, an evaluation function and a motion selection probability. According to the invention, an intrinsic motivation signal is utilized to simulate an orientation cognitive mechanism of the interest of people in things so that a robot can finish relevant tasks voluntarily, thereby solving a problem that the robot is poor in self-learning. Furthermore, an extreme learning machine network is utilized to practice learning and store knowledge and experience so that the robot, if an experience fails, can use the stored knowledge and experience to keep exploring instead of learning from the beginning. In this way, the learning speed of the robot is increased, and a problem of low efficiency of reinforced learning for single-step learning is solved.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Wheel casing for forced ventilation/heat radiation to rim and brake

The invention discloses a wheel casing for forced ventilation / heat radiation to a rim and a brake. A plurality of wheel casing spokes are fixedly arranged along circumferential direction uniformly at the radial direction between a wheel casing shell and a wheel casing hub; at the axial direction, the wheel casing spokes are composed of two left and right sections of transition transformed structures, the included angle of the acute angle of the left section to the vertical line of a wheel axis is b1, the included angle of the acute angle of the right section to the vertical line of the wheel axis is b2, and beta 1 is more than or equal to 8 degrees and is less than or equal to 30 degrees and beta 2 is more than or equal to 75 degrees and is less than or equal to 90 degrees; the rightmost ends of the wheel casing spokes cling to the surface of a wheel spoke plate tightly and extend to air vents on the wheel spoke plate, and are distributed alternately with the air vents; air flow is led to the air vents on the wheel spoke plate from the outer side of the wheel spoke plate along the axial direction and the radial direction of a wheel shaft through the wheel casing spokes with active axial flow orientation function and active centrifuge orientation function as well, the air flow submitted to active orientation flows through gaps between wheel rims and brake drums after flowing through the air vents at high speed, thereby realizing continuous forced ventilation / heat radiation to the wheel rims and the brakes simultaneously.
Owner:JIANGSU UNIV

Ultraviolet curing coating raw material and coating prepared from same

The invention provides an ultraviolet curing coating raw material and a coating prepared from same. The ultraviolet curing coating raw material comprises the following components in parts by weight: 10-20 parts of six-functional aliphatic polyurethane acrylic resin, 5-10 parts of three-functional aliphatic polyurethane acrylic resin, 10-15 parts of self-initialized ultraviolet curing resin, 2-8 parts of metal effect pigment, 2-15 parts of UV cured crylic acid double-bond celluosic resin, 0.01 part of a polymerization inhibitor, 1-6 parts of adhesion property prompting resin, 5 parts of extinction powder, 2-5 parts of a photoinitiator, 25-60 parts of a diluent and 0.01-0.5 part of an additive, wherein the self-initialized ultraviolet curing resin is DRE-527 purchased in Changxin in Taiwan. Due to addition of acrylic monomers, the reaction speed of the pigment with metallic effects and the acrylic monomers can be increased due to the groups in the acrylic monomers, and due to cross-linking reaction of the UV cured crylic acid double-bond celluosic resin with a double-bond orientation function and the UV resin with double bonds, the cross-linking density of the coating can be improved; due to addition of the polymerization inhibitor, problems such as flocculation and retrogradation can be solved when the coating is stored.
Owner:HUNAN SOKAN NEW MATERIAL

System and method for vehicle positioning and orientation aiming with fusion of inertia and satellite

The present invention discloses a system and a method for vehicle positioning and orientation aiming with fusion of inertia and a satellite. The system comprises a laser strapdown inertial measurementunit, an auto-collimation optical tube, an atmospheric pressure altimeter, a Hall odometer, a dead reckoning unit, an extended Kalman filter, a standard Kalman filter, a federated Kalman filter, a main antenna, a secondary antenna, a satellite positioning and orientation host, an optical measurement combination unit and a target light source generation device. The method comprises the steps of: an inertial orientation data obtaining step, a satellite orientation data obtaining step, an orientation data comparison and fusion step, an inertial positioning data obtaining step, a satellite positioning data obtaining step, a positioning data fusion step, and an orientation and positioning data transmission step. The system and the method for vehicle positioning and orientation aiming with fusion of the inertia and the satellite can achieve positioning and orientation functions with high precision, and can achieve that an orientation result is transmitted to a missile launch control system;and moreover, the system and the method are high in precision, fast in positioning and orientation speed and high in adaptive capacity to an environment, and can satisfy demands of the missile launchcontrol system to offhand rapid emission.
Owner:BEIJING INST OF SPACE LAUNCH TECH +1

Folding type directional antenna device for satellite

The invention provides a folding type directional antenna device for a satellite. A supporting base can be mounted to the mounting portion of a satellite body; a pitch rotating mechanism is connectedwith the supporting base and is connected with an azimuth rotating mechanism; the azimuth rotating mechanism is connected with an antenna assembly; a restraining device is connected with the antenna assembly; the antenna assembly cannot rotate on the azimuth rotating mechanism when being restrained by the restraining device; and the antenna assembly can be folded relative to the supporting base bymeans of the pitch rotating mechanism; when the restraining device is released, the pitch rotating mechanism can rotate relatively, the azimuth rotating mechanism can rotate relatively, and the rotation axis of the pitch rotating mechanism is perpendicular to the rotation axis of the azimuth rotating mechanism; and the antenna assembly can rotate to realize orientation in different directions through the azimuth rotating mechanism and the pitch rotating mechanism. In a limited satellite installation and use space, the installation of the antenna can be realized, the antenna is far away from the satellite body after the antenna is unfolded, so that the influence of the satellite body can be decreased, and a two-dimensional rotation orientation function can be realized.
Owner:SHANGHAI SPACEFLIGHT INST OF TT&C & TELECOMM

Beidou-2 positioning, timing and time service terminal, orientation method, positioning method and communication method

InactiveCN107064976ARealize wireless orientation functionGood DOP valueRadio-controlled time-piecesSatellite radio beaconingIntegrated designOrientation function
The invention relates to a Beidou-2 positioning, timing and time service terminal, which comprises a main antenna, an auxiliary antenna, a cable and a charger, and is characterized in that the main antenna is used for supporting signal capturing, tracking and joint positioning for five frequency points of a BD2 (Beidou-2) system, a GPS (Global Positioning System) and a GLONASS (Global Navigation Satellite System) and supporting functions of RDSS short message communication and active positioning of the BD2 system; the auxiliary antenna is used for supporting signal capturing, tracking and joint positioning for five frequency points of the BD2 system, the GPS and the GLONASS; the cable comprises a power supply cable and a data cable, the power supply cable mainly completes power supply of the main antenna for the auxiliary antenna, the data cable realizes wired-mode orientation through observed quantity data mutual transmission of the main antenna and the auxiliary antenna; and the charger completes offline charging for a battery of the main antenna and a battery of the auxiliary antenna. The main antenna and the auxiliary antenna of the Beidou-2 positioning, timing and time service terminal adopt an integrated design, functions of a data transmission station are integrated in the main antenna and the auxiliary antenna, and that is, the equipment can independently complete a pseudo-range differential positioning and realize a wireless orientation function between dual antennas at the same time.
Owner:航天恒星空间技术应用有限公司
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