382 results about "Environmental adaptation" patented technology

The invention relates to a method for planning a path for a mobile robot based on environmental modeling and a self-adapting window, which relates to a method for planning a real-time path for the mobile robot. The method comprises the following steps of: performing modeling and analysis on a multiple constraint local environment; performing passable analysis; performing safety analysis; performing motion smoothness analysis; performing goal-directed analysis; and performing path planning by adopting the self-adapting window. Because the method has better environmental suitability and obstacle avoiding capacity, the method obtains good safety and reachability, has high calculation real-time property, so the method solves the problem that the mobile robot generates an obstacle avoidance path in real time in an uncertain complex environment, provides a path selection method with optimized integration, better meets the requirements on obstacle avoidance for the mobile robot, realizes the real-time path planning and control of the robot, and provides an effective collision-less path planning method for the navigation application of the mobile robot.

An autonomous navigation and man-machine coordination picking operating system of a picking robot comprises a travelling unit of the picking robot, a picking robot arm, an Agent, a wireless sensor network, a computer and a panoramic stereoscopic visual sensor. The Agent has functions of autonomous navigation, obstacle avoidance, positioning and path planning and the like, the wireless sensor network is used for completing man-machine coordination picking information interaction, the computer is used for providing long-distance intervention and management for picking administrators during man-machine coordination picking operation, and the panoramic stereoscopic visual sensor is used for acquiring panoramic stereoscopic video images in a picking area. The autonomous navigation and man-machine coordination picking operating system of the picking robot is fine in natural flexibility, simple in mechanism, low in control complexity, limited intelligent, high in picking efficiency, fine in environmental adaptation, and low in manufacturing and maintenance costs., Picking objects and crop are not damaged during picking.

The invention discloses a roadside parking space detection device based on computer vision, comprising an omnidirectional vision sensor and a microprocessor, wherein the omnidirectional vision sensor is installed at the roadside with parking spaces; the microprocessor is used for analyzing the parking space state according to the data of a parking space video shot by the omnidirectional vision sensor; and the microprocessor comprises an omnidirectional image acquisition unit, a parking space customizing module, a parking space state detection module based on a sampling point model, and a parking space state information releasing module. The invention provides the roadside parking space detection device which is based on the computer vision, has the advantages of wide detection range, high detection precision, good detection instantaneity, high cost performance, strong environmental adaptation capability and good expandability and sustainable development, is convenient to implement and maintain and is convenient to realize on an embedded system.

The invention discloses a biological characteristic identifying system. By adopting a double-mode identifying method, complementarity and pertinency laws between characteristics of multiple living things such as face of human being, voice, fingerprint and the like, limitation of single mode biological characteristic identifying can be avoided effectively, and the system based on a client / server network structure model for biological characteristic identifying reduces the network transmission data amount effectively and reduces the heavy burden of server operation by utilizing a limited bandwidth, and the system has advantages of fault tolerance, extendibility, interference immunity, robustness and environment adaptability.

The invention discloses a Doppler radar-based non-contact type vibration measuring method. The method includes the following steps: S1. directly facing a measured vibration object to emit single-frequency microwaves in the form of continuous waves, and receiving radar echoes after modulation by vibration motion; S2. performing amplifying, filtering and quadrature mixing on echo signals and taking down conversion signals to obtain two paths of baseband signals I(t) and Q(t); S3. performing data collection on the baseband signals to obtain discrete digital signals; and S4. performing phase demodulation processing on the discrete baseband signal I[n] and Q[n], and extracting vibration amplitude and frequency information. The Doppler radar-based non-contact type vibration measuring method provided by the invention uses a microwave radar to perform non-contact type vibration measurement based on a Doppler effect, has good low frequency measurement sensitivity, is high in environmental adaptation, and can perform accurate vibration measurement under the condition of containing a barrier. The microwave radar used by the method is compact in structure and low in cost and has relatively low power consumption, thereby providing a solution to integration of a large-scale vibration measuring system.

A system and method for altering the characteristics of a display based on environmental data is disclosed. Exemplary embodiments provide a light sensor, an environmental processing unit which is adapted to receive electrical signals from the light sensor and generate an environmentally-reactive control signal (Sa), an image signal processor which accepts Sa and an encoded image signal (Se) and generates a pre-decoding image signal (Sp), and an image signal decoder which accepts Sp and generates a decoded image signal for the display. The environmentally-reactive control signal (Sa) may contain the instantaneous value of the desired display black level Sb. Alternatively or additionally, the environmentally-reactive control signal (Sa) may contain a signal linearity modification value.

The invention discloses a triaxial orthographic nacelle of an unmanned aerial vehicle, which is composed of a pitching component, a roll component, a heading component, and a circuit board component, wherein information transmission between the pitching component, the roll component, the heading component, and the circuit board component is realized through connecting cables. According to the nacelle, a full frame single lens reflex and a visible light vidicon can be carried; a stable platform is provided for aerial photogrammetry of geological disasters; the nacelle is guaranteed not to be affect by influences of rocking and vibration of an airplane during the flying; a sensor optical axis can be perpendicular to the ground horizontal plane; the nacelle can be applied to the unmanned aerial vehicle aerial photogrammetry, and has the characteristics of compact structure, small size, light weight, and strong environmental adaptation and load fitness; an external electromechanical interface is simple; the operation and the maintenance is simple and convenient; well application and popularization value is adopted.

The invention relates to the technical field of automatic control, and particularly relates to an autonomous ball-wheel-moving robot and a control method thereof. The autonomous ball-wheel-moving robot comprises a spherical wheel (1), a universal wheel driving mechanism (2), a support structure (3), an assisting bracket (6), a control module (4) and a sensor, wherein the sensor detects the robot posture and the environment information; the control module (4) analyzes the environment information to obtain a control strategy through the balancing algorithm and the motion control algorithm, and sends control signals to the universal wheel driving mechanism (2); the universal wheel driving mechanism (2) drives a direct current motor to move according to the control signals to drive the spherical wheel (1) to move; therefore, the posture and the movement of the robot are controlled. The autonomous ball-wheel-moving robot and the control method thereof can automatically realize static balance and dynamic balance, can pass through an obstacle-free channel, are good in mobility, and are strong in environmental adaptation.

The invention relates to a positioning measurement method based on key point detection of a marker, which comprises the following four parts of: 1. design of a ruler and a marker: realizing the ruler and the marker with high environmental adaptation and convenient use and manufacture; 2. detection of the ruler for calibrating: performing multi-threshold segmentation on a compressed image according to a custom segmentation function and positioning the ruler by methods of contour detection, polygon fit, and the like; 3. detection of a key point of the marker: detecting a positioning key point mainly by adopting methods of histogram matching, gray scale projection, Hough transformation segment detection, least square method straight line fit, and the like; and 4. reestablishment of three-dimensional world coordinates: adopting a two-dimensional method of photography measurement. The methods of multi-threshold segmentation, Hough transformation and least square method combination for positioning a straight line, and the like improve the performance and the precision of an algorithm. The invention has wide application range and is suitable for solving various positioning measurement problems based on key point detection.

The invention provides a soft robot based on shape memory alloy driving. The soft robot has the characteristics of being simple in structure, capable of moving in multiple poses, good in environmental adaptation and the like. A single chip microcomputer is controlled to sequentially power on shape memory alloy wires embedded in the robot, the six shape memory alloy wires are arranged in a robot body, and an alloy wire overlapping structure is used for driving the robot to move forwards and backwards. The robot is provided with four feet, each foot comprises two shape memory alloy wires, the forward moving direction of the robot is changed by means of flexibility of the alloy wires, and multi-pose movement is achieved. A top heat dissipation structure can increase the movement speed of the root. A bottom tooth-shaped structure is beneficial to jacking up a silica gel outer shell in the mode that the alloy wires are powered on to retract. Supporting structures on the front side and the rear side serve as contact points of a supporting surface in movement, and friction force with the surface can be reduced in movement.

The invention relates to a high-reliability inertial measurement device which can be used to reduce inertial measurement device measuring random errors. The redundancy sensor inertial measurement device contains an installation pedestal, gyroscopes, accelerometers, vibration dampers and screws. The installation pedestal has 18 hedral surfaces, wherein six planes are perpendicular to a motion reference axis and a normal line of any one of the other twelve planes has an included angle of 31 Deg 43 Min 2.9 Sec to one reference axis. The gyroscopes and the accelerometers are assembled on the pedestal. Two parallel planes are respectively provided with a gyroscope and an accelerometer. On the pedestal, the vibration dampers are assembled on two parallel planes which are perpendicular to a samereference axis. According to the invention, it is ensured that parallel translation or rotation in the direction of any one reference axis can be simultaneously measured by five inertial elements. The redundancy sensor inertial measurement device has advantages of good vibration damping performance, strong environmental adaptation and high reliability, can be used to effectively raise navigation precision with the cooperation of value processing, and simultaneously is convenient to process, requires low cost, and has large practical application values.

A humanoid robot with the function of interchanging double-foot walking with wheeled moving comprises a robot body, remote-control equipment and a distance measuring sensor. The robot body consists of a driver and a controller, the driver is connected with the controller through a bus and receives driving control signals outputted by the controller, the remote-control equipment is connected with the controller of the robot body in a wireless communication manner, and the distance measuring sensor is connected with the controller of the robot body through the bus. The robot as a combination of a humanoid robot with a wheeled robot is not only changeable in current state by being remotely controlled, but also capable of monitoring front terrain features by the aid of the distance measuring sensor mounted on the robot body, independently choosing the optimum moving way according to the needs of ground environments and operational tasks, so that the environmental adaptation and operating efficiency of the robot are improved.

The invention discloses chlorella sorokiniana CS-01 and a culture method thereof for producing grease. The preservation number of the chlorella is CCTCC M209220. The culture method for producing the grease comprises the following steps: inoculating index-cultured strains to BG11 sterilized culture solution, adding 0.3 to 1.5 g / L of sodium nitrate or urea and 1*10-5 mol / L to 1*10-3 mol / L of EDTA-Fe (III) into the culture solution, culturing the strains by ventilating or without ventilating at the temperature of between 25 and 35 DEG C, pH of 6 to 11, 6,600 to 10,000 Lx and lighting ratio of 14:10, and harvesting the grease, wherein the dry weight of the harvested cells is as high as 970 mg / L, and the content of the grease can reach 57 percent. The strain is fresh-water unicellular chlorella, has the advantages of strong environmental adaptation, high growing speed and higher grease yield, and has potential serving as a biodiesel preparation raw material to be cultured in a large scale in interior regions.

The invention discloses a bionic soft robot. The bionic soft robot comprises a trunk, a forefoot, a hind foot and an energy supply module, wherein the front and rear ends of the trunk are connected with the forefoot and the hind foot respectively, and the trunk maintains suspended; the lower surface of the forefoot and the lower surface of the hind foot have asymmetric structures with consistent orientation, the tail ends of the asymmetric structures are in contact with a base as a walking surface, so that the friction force generated by the forefoot and the hind foot in the front and rear directions is unequal when the forefoot and the hind foot are in contact with the base as the walking surface. The trunk is a deformation body capable of undergoing reversible telescopic deformation, andthe energy supply module provides energy for the reversible telescopic deformation process of the trunk. The bionic soft robot has the advantages that the structure is simple, the sources of the driving energy is abundant, the movement is stable, the bionic soft robot can move in narrow closed space, has very strong environmental adaptation and load capacity and can move on smooth or rough surfaces, dry or wet surfaces, upslopes or downslopes, high or low temperature surfaces.

The invention relates to a fixed weight loading device for bulk materials, and belongs to the field of mine transportation equipment. The fixed weight loading device for the bulk materials comprises a drive unit, a material guide groove, a conveying device and a support, wherein the material guide groove is arranged on the conveying device which is connected with the support. The fixed weight loading device for the bulk materials is characterized in that the support and the material guide groove are divided into a material receiving part and a weighing part; a weighing sensor is arranged under the weighing part, namely the support; a conveyer belt of the conveying device can be an adhesive tape, a shell belt or a composite adhesive tape and shell belt; the material receiving part and the weighing part, namely the support and the material guide groove are in flexible connection of which the displacement in the vertical direction is not limited; the weighing part, namely the support, is provided with a tensioning device for limiting the displacement in the horizontal direction; and side-slipping resistant wheels are arranged on both sides of the adhesive tape or the shell belt close to a directive point of a roller. The fixed weight loading device for the bulk materials combines a shell belt feeder and force sensor technology, and has the advantages of high weight measuring precision, small mounting space, strong universality, small operating power, reliable use, convenient maintenance, low operating cost and strong environmental adaptation ability.

The invention relates to a method for reducing the false reject rate of fingerprint comparison. The method comprises the following steps of: extracting fingerprint characteristics by a fingerprint sensor; quickly searching in a plurality of templates, and comparing the templates with the existing template to obtain the highest comparison score; and judging whether comparison passes according to acomparison passing rule, and replacing the templates or not according to an auxiliary template replacement rule. The method has the advantages that: an auxiliary template is added and dynamically updated in an application process, so the capacity for environmental adaptation of the sensor is greatly improved, anti-aging capacity is improved, the range of a comparison object is expanded, and the false reject rate is effectively reduced; the fingerprint characteristics in a fingerprint comparison auxiliary threshold interval are required to be compared with fingerprint templates one by one; andwhen more than two characteristic comparison scores are in the fingerprint comparison auxiliary threshold interval, comparison is determined to pass, so the false reject rate of the fingerprint comparison is effectively reduced under the condition that no false accepting is guaranteed.

The invention provides a UUV (unmanned underwater vehicle) aided navigation method based on current profile. The method comprises the following steps: firstly setting up a Kalman filter model of current profile data, secondly determining the observation noise variance R and process noise variance Q in a Kalman equation according to variations of the environment and the UUV own velocity and finally setting up a UUV velocity-current profile relation database, utilizing the relation database and the current profile information measured by an ADCP (acoustic Doppler current profile) to reckon the UUV velocity at the time of DVL (Doppler velocity log) failure and further obtaining the navigation position of the UUV by deadreckoning. The method has the following beneficial effects: when the UUV performs a task under water, once the sonar data of the DVL have failure, the UUV velocity can be reckoned by using the current profile information measured by the ADCP, so that the UUV can continue performing the ocean exploration task in the complex ocean environments such as great depth, thus improving the environmental adaptation capability of the UUV.

The invention relates to the field of digital image measurement, and proposes a plant three-dimensional measurement method and system based on PTZ camera system parameters and video frames. The method comprises the steps: S1, the calibration of PTZ camera system parameters: an axial image distance, image space and object space corresponding coefficients, an image shift rate pitching value fitting equation and coefficients; S2, a corresponding image point rectification model: an inter-frame image vector conversion model, an optical axis movement vector, a corresponding image point two-dimensional rectification matrix, and differential optimization verification; S3, point cloud world coordinate algorithm: a corresponding image point three-dimensional matrix, an inter-frame double-optical-system vector projection relation model, a PTZ camera system movement vector measurement model, three-dimensional point cloud coordinate obtaining, and a gray scale material correction factor; S4, plant local measurement method. The system comprises the following parts: S1, a PTZ camera system parameter obtaining module; S2, a corresponding image point rectification module; S3, a three-dimensional measurement module; S4, a plant local measurement module. Compared with other digital mapping technologies, the method does not need an object space control point, is strong in environmental adaptation, is high in equipment compatibility, and reduces the cost.

The reverse engineering robot system belonged to advanced manufacturing technique field comprises a detection head, a robot, a computer, a control cabinet, and a deflection machine. When user inputs basic detection parameters, the system programs automatically the scan path, controls robot, deflection machine and detection head to complete the detection. Wherein, it uses the robot control flexibility to realize the integrative path programming, uses the environmental adaptation ability and anti-noise ability of robot to satisfy industrial field require, and uses active automatic detection mode to realize automation and exploitability for post processing.

The invention aims at providing a method, a device and an apparatus for regulating a touch input interface. Based on the invention, the method comprises the following steps of when inputting through the touch input interface, acquiring state attribute information of current UE (user equipment); and when the acquired state attribute information meets a preset switching condition, switching a current input interface to a segmented input interface, wherein the segmented input interface comprises a plurality of button areas at different positions of a screen, and each button area comprises at least one virtual button. The method, device and apparatus for regulating the touch input interface, which are disclosed by the invention, have the advantages that the situation of a practical application scene of a user can be detected, and the input interface is switched to a mode suitable for the input of the user, so that a better environmental adaptation function is provided; and when the screen has a plurality of idle interfaces, auxiliary button areas are displayed at the same time, so that the user can directly obtain a corresponding symbol keyboard without switching an input keyboard to a symbol keyboard, resulting in higher input efficiency.

The invention discloses a film system of an infrared double-waveband antireflection film system and a plating method thereof, belonging to a manufacture technology of optical films. The film system comprises six layers of films or eight layers of films, preferably six layers of films which are a Ge film, a ZnS film, a Ge film, a ZnS fillm, a YbF3 film and a ZnS film in sequence from inside to outside, wherein the optical thickness of each layer of films is 895 nm, 306 nm, 422 nm, 1626 nm, 770 nm and 200 nm in sequence from inside to outside. The plating method comprises the following steps: firstly, cleaning a plated part; then roasting a substrate; and plating the Ge film, the ZnS film, and the like in sequence. The transmittivity of the optical part obtained by the film system and the plating method in two waveband ranges of 3.7 microns-4.8 microns and 7.7 microns-10.5 microns is larger than 98 percent, and the adhesion force and the environmental adaptation of the film layers meet the requirements specified by a Chinese military standard GJB2485-95.

The invention relates to a preparation method of alcohol soluble normal-temperature curing bi-component polyurethane-acrylate resin. The preparation method comprises the following steps of: preparing a substance A; preparing a substance B; and mixing the substance A and the substance B in the proportion of 3-6:1 to obtain the alcohol soluble normal-temperature curing bi-component polyurethane-acrylate resin, wherein the raw material substance A comprises acrylate, epoxy group monomer, vinylacetate or styrene, more than one type of active functional group monomer, initiating agent and industrial alcohol; and the raw material substance B comprises oligomer polyalcohol, polyisocyanate, chain extending agent, catalyst, polyamine, solvent and industrial alcohol. The alcohol is completely used as the solvent, and the alcohol solubility is favorable; compared with a bi-component polyurethane product, the components contain no toxic and dissociative isocyanate, and the obtained product has strong environmental adaptation, low requirements on moisture and interface cleaning degree, high drying speed after being coated, normal-temperature curing, good glossiness, large adjustable range of glass temperature and wide application range.

The invention discloses a legged robot stability control method and system with the environmental adaptation. The control method comprises the following steps of: comparing the relevant parameter information of a previous earth contact process with a control target expected to reach; carrying out feedback control to the horizontal kinematic velocity of a flight phase and total system energy; predicting and controlling the earth contact angle, and carrying out system energy compensation control; and finally, realizing the expected stable periodic motion of a legged robot serial line internet protocol (SLIP) equivalent model under different ground environments. The system comprises a system status detection module and a stable control module. According to the legged robot stability control method and system with the environmental adaptation, a specific robot dynamics model does not need to be built, an accurate fixed-point earth contact angle does not need to be calculated, and dominated convergence is realized by feedback control. The control method is simple and is quick in calculating, and the problems of insufficient control instantaneity, insufficient adaptability and the like in the traditional method can be better solved. In addition, the control system has a better unknown environment adaptability, and a better solution is provided for the legged robot stability control.

A system and method for altering the characteristics of a display based on environmental data is disclosed. Exemplary embodiments provide a light sensor, an environmental processing unit which is adapted to receive electrical signals from the light sensor and generate an environmentally-reactive control signal (Sa), an image signal processor which accepts Sa and an encoded image signal (Se) and generates a pre-decoding image signal (Sp), and an image signal decoder which accepts Sp and generates a decoded image signal for the display. The environmentally-reactive control signal (Sa) may contain the instantaneous value of the desired display black level Sb. Alternatively or additionally, the environmentally-reactive control signal (Sa) may contain a signal linearity modification value.

The invention discloses a high-effect dry friction damping spring vibration isolator and aims at providing a friction damping vibration isolator which is compact in structure, large in friction damp, high in load and good in environmental adaptation. According to the technical scheme, in a vibration environment, left friction pieces and right friction pieces of a disc-pressing upper cone spring (3) and a disc-pressing lower cone spring (6) perform reciprocating motion to axially extrude a right friction ring piece (4) and a left friction ring piece (9) on two sides, the left friction ring piece, the right friction ring piece, an upper guide umbrella disc (1) and a lower guide umbrella disc (5) are driven to perform constant friction motion on the inner wall of a housing (2), vibration mechanical energy is converted into heat energy so as to achieve vibration energy consumption and reduction. The high-effect dry friction damping spring vibration isolator utilizes low frequency of a conical spring and a damping characteristic of a symmetric semi-ring damping pad, can effectively inhibit spring fluctuation during high-frequency impact, also has composite multiple vibration isolation effect and has large damp under the low-frequency condition compared with a traditional rubber vibration isolator.

The invention discloses a heat absorption core of a collector used for a solar heat pump water heating system, a naked plate type collector, a collector with a glass cover plate as well as a direct-expansion solar heat pump water heating system. The naked plate type collector and collector with the glass cover plate are connected through an electromagnetic valve and a refrigerant copper pipe and, a PLC (Programmable Logic Controller) controls the open and close of the electromagnetic valve according to different external conditions so as to realize the separated operation and series operation of the naked plate type collector and the collector with the glass cover plate. Refrigerant gas through evaporation and compression enters a plate-type heat exchanger so as to carry out countercurrent flow heat exchange with circulating water, hot water temperature is fed back to a controller through a temperature sensor, and the controller controls the open and stop of a compressor. With the structure, the system has the advantages of high energy efficiency ratio, good environmental adaptation, simple structure and the like and is environment-friendly and energy-saving.

According to the invention, the method comprises the steps: employing a PPA path search algorithm (a potential path area path search algorithm) to construct an initial decision path; employing a decision attribute factor model training method to finally output a real path restored by the algorithm; selecting five decision optimization factors, namely path travel time, path length, path turning times and path controlled signal gate number, as decision attributes, so that the decision factors for track recovery have higher environmental adaptability. The setting of the decision weight is comprehensively determined by subjective and objective data, so the method is more scientific and practical, the algorithm speed is high, and large-scale data can be processed; the method is suitable for path reconstruction of small and medium-sized road networks, can complete restoration of missing detection vehicle tracks with high precision, has good robustness, and lays a foundation for further statistics of urban traffic road network microcosmic parameters.

The invention discloses a robust adaptive optimal control-based pilot manipulation behavior description method. The method includes the following steps that: an ROCM model is constructed to augment a controlled object; the index function and model parameters of the ROCM model are determined; pilot optimal control gain is calculated; equation discretization is controlled; robust adaptive state estimation is carried out; unmodeled dynamic estimation is carried out; the pilot optimal control gain is corrected; and pilot manipulation vectors are solved. According to the robust adaptive optimal control-based pilot control behavior description method of the invention, characteristics of memory finiteness and high adaptation of human beings are combined, an improved manipulation noise and observation noise model is adopted, robust adaptive filtering theories are introduced, and therefore, the shortcomings of a traditional pilot model can be overcome, and characteristics of human beings such as memory finiteness, unknown environment adaptability, manipulating behavior robustness and coupled manipulation can be embodied.

The invention relates to a fiber-optic gyroscope without an optical fiber fusion point. The fiber-optic gyroscope comprises a super-radiance light-emitting diode (LED), an optical fiber coupler, a Y waveguide modulator, a fiber-optic ring and a first photoelectric detector, wherein the optical fiber coupler comprises a first port, a second port, a third port and a fourth port; the Y waveguide modulator comprises a first port and two second ports; the first port of the optical fiber coupler is directly connected with the super-radiance LED; the third port of the optical fiber coupler is directly connected with the first photoelectric detector; the fourth port of the optical fiber coupler is directly connected with the first port of the Y waveguide modulator; the fiber-optic ring is directly connected with the two second ports of the Y waveguide modulator; the optical fiber coupler is manufactured from a first optical fiber and a second optical fiber by a fused biconical taper method; the fiber-optic ring is formed by winding a third optical fiber. The invention also relates to a manufacturing method of the fiber-optic gyroscope. The fiber-optic gyroscope without the optical fiber fusion point is higher in environmental adaptation, lower in failure rate and lower in transmission loss.

The invention provides a collecting method for road traffic parameters based on a video technique, in order to overcome the defects of the prior art of low detection accuracy and poor environmental adaptation. The parameters contain flow, time average speed, time occupancy, average time headway, and the like. A pattern drawn in a detection area has better relative brightness combined mode consistency under different light environments, so that the methods of background difference, inter-frame difference, and the like, need not to be adopted when the road traffic parameters are collected. Meanwhile, the operand is less and the detection precision and environmental stability are higher.