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1092results about How to "Improve human-computer interaction" patented technology

Automotive anti-collision radar system with two receiving antennas and operating method

ActiveCN103913742AProcessing speedImprove multi-target judgment abilityRadio wave reradiation/reflectionEcho signalData processing
The invention provides an automotive anti-collision radar system with two receiving antennas and an operating method. The automotive anti-collision radar system is provided with the two independent receiving antennas and an independent transmitting antenna, wherein the two independent receiving antennas and the independent transmitting antenna are connected into a radio-frequency signal processing module respectively. A central control processing part comprises a PS module and a PL module, wherein the PS module comprises a system submodule, a data processing submodule and a clock submodule, and the PL module comprises a modulating signal generation submodule, an algorithm submodule, a phase-locked loop submodule and a control submodule. An output device comprises a displayer, an alarm device and an emergency braking device. The operating method includes the steps of transmitting modulation triangular waves, allowing the two receiving antennas to collect real echo signals and virtual echo signals respectively, calculating distance information, speed information and azimuth information of targets through a MUSIC algorithm and target pairing, transmitting results to the PS module for synchronous display and directly controlling the alarm device and the braking device. Through the automotive anti-collision radar system with the two receiving antennas and the operating method, target azimuth can be obtained, the multi-target judging ability is improved, the computing speed is high, cost is low, reliability is high, and the automotive anti-collision radar system is simplified in structure, convenient to maintain, easy to upgrade and capable of reducing cost.
Owner:GUILIN UNIV OF ELECTRONIC TECH

Senile dementia monitoring system based on healthy service robot

ActiveCN105078449AAvoid one-sidedness and inconsistency in diagnosisImprove accuracySensorsPsychotechnic devicesDiagnostic accuracyHealth services
The invention discloses a senile dementia monitoring system based on a healthy service robot. The senile dementia monitoring system based on the healthy service robot comprises the healthy service robot, an intelligent terminal and a cloud server. The healthy service robot comprises a robot body, a main control unit, a human-computer interaction unit and a medical detection unit; the human-computer interaction unit is connected with the main control unit and comprises a tablet computer, and the tablet computer is arranged in front of the chest of the robot body; the medical detection unit is connected with the main control unit and comprises a brain electrical detection device which is independent of the robot body, and the brain electrical detection device is connected with the intelligent terminal and the tablet computer through Bluetooth signals; the intelligent terminal and the tablet computer are connected with the cloud server through the mobile Internet, and data interaction between the intelligent terminal and the tablet computer is achieved through wireless signals. By means of the senile dementia monitoring system based on the healthy service robot, automatic auxiliary diagnosis and treatment of senile dementia can be achieved, the diagnostic accuracy is improved, prevention and early detection of the senile dementia are facilitated, the pathogenetic condition is mitigated from exacerbating, and the purpose of healing is achieved.
Owner:SOUTH CHINA UNIV OF TECH +1

Induction method of three-dimensional (3D) online induction system for mechanical equipment dismounting

InactiveCN102789514AAugmented reality inductionImprove high universalityInput/output for user-computer interactionGraph readingInduction motor3d design
The invention discloses an induction method of a three-dimensional (3D) online induction system for mechanical equipment dismounting. The induction system comprise an eyeglass-type augmented reality helmet, a hand position tracking device and a computer, wherein the augmented reality helmet is provided with two display screens and two cameras; and wireless communication can be realized among the augmented reality helmet, the hand position tracking device and the computer. An induction method for realizing the three-dimensional online induction system for mechanical equipment dismounting comprises the following steps of: 1, transforming a virtual assembly model; 2, initializing the induction system; 3, recognizing the dismounting purpose; 4, generating induction information; 5, overlapping the induction information; and 6, repeating the steps 3-5 until the online product induction is finished. The method disclosed by the invention has the characteristics of accurate induction information, strong universal capability and convenience in carrying, and can be used for realizing the 3D online induction driven by requirements of operators, current situations of tasks and dismounting history and realizing the integration of product 3D design and dismounting induction.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Quick multi-wavelength tissue optical parameter measuring device and trans-construction method

The invention belongs to the field of optical parameter measurement in tissue optics research, and relates to a multi-wavelength tissue optical parameter trans-construction method based on a neural network. The method comprises: using double integrating sphere technology and a high-sensitivity photoelectric detector to collect reflected light and transmitted light on the surface of a tested sample, and using a method of relative measurement to obtain the reflectivity, diffuse transmittance and collimation transmittance of the sample; using a Monte Carlo method to establish a mapping model of a tissue optical parameter (mua, mus and g) to a measurement amount (Rd, Td and Tc); establishing a BP neural network containing two buried layers, and adopting a gradient descent weight learning function to train a BP network; and predicting the optical parameter of the measured sample through the (Rd, Td and Tc) obtained by measurement in real time, wherein an input signal of the neural network is (Rd, Td and Tc), and an output signal is (mua, mus and g). The invention provides a device adopted by the method at the same time. The method provided by the invention can quickly and accurately measure the tissue optical parameters under multi-wavelength.
Owner:TIANJIN UNIV

Novel lower extremity exoskeleton rehabilitation training device and training method

The invention discloses a novel lower extremity exoskeleton rehabilitation training device and a training method; in accordance with problems on efficiently and safely recovering the walking capacity of lower extremities of a patient, enhancing the adaptability of the training device and other problems in a human lower extremity rehabilitation training process, the rehabilitation training device disclosed by the invention can achieve all-directional rehabilitation training with five freedom degrees of motion on the human lower extremities. The rehabilitation device is added with angle, displacement and pressure sensors, and by detecting related motion parameters of the patient, self-adaptive adjustment is achieved; and since lower extremity exoskeleton, width regulating and height regulating mechanisms and an anti-gravity treadmill are subjected to modular design, training intensity and amplitude can be regulated in accordance with the figure of the rehabilitation patient as well as a rehabilitation progress, so that adaptability is enhanced. By integrating the designed lower extremity exoskeleton on the anti-gravity treadmill, the comfort of the patient in the rehabilitation training is enhanced, and meanwhile, the effect of the rehabilitation training is improved as well.
Owner:HEFEI UNIV OF TECH

Industrial robot space intersecting curve welding offline programming method

The invention discloses an industrial robot space intersecting curve welding offline programming method. The method comprises the steps that firstly, an arc welding robot and a welding workpiece three-dimensional model are guided in, two peripheral hook faces of a welding line are formed through mouse pickup, a cut plane set is created inside a workpiece coordinate system, and node pose information of the welding line is extracted; according to the node pose, position and posture discretization are achieved along the curve of the welding line, and then welding line trajectory planning is achieved through coordinate conversion; then, a joint angle sequence needed in the robot motion process is obtained through robot inverse kinematics, and motion simulation is achieved; finally, according to language rules written by corresponding robot motion control program codes, a corresponding program file is generated. By adopting an open source VTK visual tool magazine, offline programming independent development is achieved, the method does not dependent on third party CAD software, the track of the welding line can be generated only through mouse picking, no complex external data computingor guiding-in process is needed, the man-machine interaction is good, and the needed robot program can be rapidly generated.
Owner:NANJING INST OF TECH

Intelligent traffic flow congestion dispersal method through vehicle group autonomous cooperative scheduling

The invention provides an intelligent traffic flow congestion dispersal method through vehicle group autonomous cooperative scheduling. An intelligent vehicle-mounted terminal and a wireless communication module are integrated, a cooperative scheduling algorithm optimization index and vehicle driving parameter acquisition and processing process is built according to a vehicle following model in the case of traffic flow congestion, the optimization index reflects the vehicle group passing efficiency, the intelligent vehicle-mounted terminal and an adjacent vehicle build a wireless communication network, a guiding instruction is generated according to the cooperative scheduling algorithm and the protocol, a vehicle queuing position and estimated passing time are provided for a driver through a man-computer interface, and the driver is guided to select a proper speed and a proper direction. The method of the invention has the advantages of low cost, high terminal integration, simple mounting, high sensitivity, quick response speed and the like, and is applicable to various motor vehicles, such as freight cars, buses and cars, which run in traffic dense areas such as urban areas and freeways.
Owner:SOUTH CHINA UNIV OF TECH

Multiprotocol intelligent gateway based on narrowband Internet of Things, and implementation method thereof

The invention relates to a multiprotocol intelligent gateway based on narrowband Internet of Things, and an implementation method thereof. The multiprotocol intelligent gateway based on narrowband Internet of Things includes a low power consumption unit and a high performance unit, wherein the low power consumption unit includes a low power consumption controller, a solar cell panel, a power management module for managing the power supply mode and the cell state information, an NB-IOT module for receiving the information from a cloud server, a LoRa module for acquiring the field LoRa node information in a local LPWAN, and a signal acquisition conditioning module; the low power consumption controller is communicated with the power management module, the NB-IOT module and the LoRa module bidirectionally; and the high performance unit includes a high performance controller, an RS485 interface module for connecting RS485 nodes, a man-machine interface module for connecting a computer serial port or a serial port liquid crystal screen, a GPS interface module, a data memory module and an ethernet interface module. The multiprotocol intelligent gateway based on narrowband Internet of Things utilizes the mode of coordination of the low power consumption unit and the high performance unit, thus effectively solving the coordination problem of low power consumption and high performance under a plurality of application scenes.
Owner:HEBEI UNIV OF TECH

Wearable assistance finger based on myoelectric control and control method thereof

InactiveCN104586608ARealize the needs of finger jointsFirmly connectedChiropractic devicesCouplingControl system
The invention provides a wearable assistance finger based on myoelectric control. The wearable assistance finger comprises an under-actuated simulated human finger, a magnetic coupling interface, a rehabilitation assistance connector, a myoelectric collecting array, a servo motor and a control system, wherein the under-actuated simulated human finger adopts a mixed driving mode of connecting rod driving and driving tendon driving, and the requirement of moving the patient finger joints is sufficiently met. Meanwhile, a control method of the wearable assistance finger based on myoelectric control is provided. The wearable assistance finger has the advantages of simple structure, light weight and good reliability. A force sensor and a position sensor are connected onto a driving tendon, the force and the position for driving the finger to move can be obtained through the telescopic movement of the driving tendon, and the quantification index can be provided for the rehabilitation process. The wearable assistance finger has the advantages that the structure is simple, the cost is low, the operation and the wearing are convenient, the man-machine interaction performance is good, the obstruction caused by muscle and joint rigidity can be effectively overcome, the patient can obtain effective rehabilitation treatment, and better application prospects are realized in the fields of finger rehabilitation and the like.
Owner:SOUTH CHINA UNIV OF TECH +3

Control method and device of air conditioner, storage medium and air conditioner

The invention discloses a control method and device of an air conditioner, a storage medium and an air conditioner. The method comprises acquisition parameters collected by a data acquisition sensor carried by the air conditioner; and the acquisition parameters comprise at least one of the windshield target, the air guide plate position, the indoor heat exchanger temperature, the indoor relative humidity, the indoor temperature, the air outlet temperature, an air inlet temperature, an air outlet temperature, an outer machine complete machine current, an inner machine complete machine current and a running time; according to the collection parameters, the operation parameters of the air conditioner are determined; the operation parameters, which comprises at least one of the heat exchange,the complete machine power, the energy efficiency and the overall power consumption. According to the scheme, the power consumption of the air conditioner in the prior art can be solved, the problem that the operation difficulty is large due to the fact that more temperature sensors and pressure sensors which are not arranged in the air conditioner need to be additionally arranged in the calculation process of refrigerating capacity and energy efficiency, so that the effect of reducing the operation difficulty is achieved.
Owner:GREE ELECTRIC APPLIANCES INC
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