262results about How to "High freedom of movement" patented technology

The invention discloses an intelligent robot tracking method and tracking device based on artificial intelligence; the method comprises the following steps: obtaining a frame image captured by an intelligent robot, and doing face detection for the frame image so as to determine whether faces exist in the frame image or not; if yes, locating the maximum face in the frame image, and doing ID identification for the maximum face; obtaining position coordinates of the maximum face when the ID of the maximum face is successfully identified; adjusting the intelligent robot according to the position coordinates so as to enable the maximum face to be in the right center of the image captured by a camera of the intelligent robot. The method can detect and identify the maximum face, so the intelligent robot can accurately determine to be interacted users; the motion freedom of the intelligent robot can be increased, so the intelligent robot can be closer to the face, and the intelligent robot can be more vivid in mechanical motions.

The invention discloses an unmanned vehicle general platform for automatic driving testing, and a method. The unmanned vehicle general platform comprises a vehicle body shape transformation system which comprises a chassis; a telescopic device is mounted on the chassis, the telescopic device changes the size of a vehicle body through telescopic deformation, and different quick assembly simulationshells are matched to simulate different vehicle models and vehicles; a feedback control system is further mounted on the chassis; the feedback control system comprises a central control device whichis connected to a motor, a braking device and a steering device; and the central control device is further connected to a vehicle sensor measuring unit, and the motion state of a vehicle is obtained through the vehicle sensor measuring unit to decide and control various operation behaviors of the testing vehicle. One testing vehicle can simulate the various vehicles (such as cars, off-road vehicles and trucks), the perceive difficulty of the tested vehicles is increased, and the testing cost is lowered.

A clip-on light apparatus is provided having a polyaxial coupling joint between a light module and frame to permit the light module to be pivoted about a plurality of axes relative to the frame for directing light in a plurality of directions. The polyaxial coupling joint preferably permits pivoting of the light module about at least two orthogonal axes. In one form, the light module is mounted to a pivot shaft about which the module can be turned with the pivot shaft itself being pivoted along one of the two orthogonal pivot axes.

The invention discloses a self-adaptation training control method of a parallel lower limb rehabilitation robot and the rehabilitation robot. The method comprises the steps that lower limb muscle activity and contractility state are estimated according to collected electromyographic signals and impedance model parameters of the robot are adjusted in a self-adaptation mode according to the lower limb muscle activity and contractility state; meanwhile, interaction acting force between a patient and the robot is obtained, and calculation and correction of the motion of the robot are achieved through a recognition result and an impedance model; a master control portion of the rehabilitation robot provides online trajectory planning and inverse kinematics, control instructions are sent to a controller and a driver of a corresponding joint, and self-adaptation training control over the robot is achieved. Intelligentization can be achieved in the rehabilitation process, and the fundamental practical significance and application value for improving the patient rehabilitation effect and improving the patient rehabilitation initiativeness and motivation are achieved.

The invention discloses an auxiliary light-weight integrated multi-freedom-degree lower limb exoskeleton and relates to the field of bionic wearable exoskeleton robots. The auxiliary light-weight integrated multi-freedom-degree lower limb exoskeleton comprises a back mounting board, a waist connection part, a hip bionic structure, a hip joint, a thigh bionic structure, a knee joint, a crus bionic structure, an ankle joint and a foot bionic structure; the ankle joint is arranged at the edge of the upper surface of the foot bionic structure; the crus bionic structure is fixedly connected with the foot bionic structure; the thigh bionic structure is installed on the knee joint at the top of the crus bionic structure; the hip joint is fixedly installed at the upper end of the thigh bionic structure; the hip bionic structure is fixedly installed at the upper end of the hip joint; the waist connection part is fixedly connected with the hip bionic structure; and the back mounting board is vertically and fixedly connected with the waist connection part. Through integration of freedom of degrees of all joints, an active joint drive structure is added, the light-weight structure form enhances the man-machine safety and wearing comfort under the condition of meeting the load requirements, and the auxiliary effect of the exoskeleton is improved.

A method for manufacturing a custom orthosis, such as an ankle brace, includes use of scanning processes. A digital model of a surface may be applied to a digital orthosis model to define a custom digital orthosis model. The digital model and, thus, the custom digital orthosis model may include one or more standard features. The custom digital orthosis model may be used with an automated manufacturing process to make some or all of the custom orthosis. In some embodiments, additive manufacturing processes may be used to form a portion or all of the custom orthosis.

The invention provides a four-wheeled independent steering and independent drive vehicle control system based on an instinct driving idea and belongs to the technical field of vehicle control systems. The system comprises a whole vehicle controller composed of a whole vehicle control unit, a kinematics control unit and a dynamics control unit, a human-computer interaction interface composed of an instrument display unit and a user command unit, a secondary information processing system composed of a road surface information processing system and a vehicle information processing system, a sensor composed of a camera / laser radar, an accelerometer, a speed sensor and a steering angle sensor, a secondary controller composed of drive motor controllers of wheels, steering motor controllers of the wheels and force feedback controllers, and an executor composed of drive motors of the wheels, steering engines of the wheels and a steering wheel. The system is high in stability, high in controllability freedom degree, simple in structure and low in cost, information of the road condition and the surroundings is obtained through the sensor, a driver control command is automatically corrected, and easy driving based on the instinct is achieved.

The invention provides a model-free casting forming machine which comprises a multi-shaft moving system, a workbench and a moving platform system, wherein the multi-shaft moving system at least comprises an X-axis moving system, a Y-axis moving system and a Z-axis moving system; the workbench is located below the multi-axis moving system; the moving platform system is arranged below the workbench; the moving platform system comprises a moving bracket capable of moving to and fro along a direction parallel to the X-axis; a lifting device is arranged on the moving bracket; the lifting device isused for lifting and supporting the workbench, so that the workbench is linked with the moving bracket. According to the model-free casting forming machine provided by the invention, the workbench can be moved without a lifting tool; casting moulds with large-size and complicated cavities can be processed; and environmental pollution is small.

The invention provides an intelligent cooperation dual-arm robot. The robot comprises a mounting base and two arms, the two arms are arranged on the two sides of the mounting base in a mirror symmetry manner, and each arm comprises a shoulder arm assembly, a rear end arm assembly, a toggle arm assembly, a front end arm assembly and a wrist arm assembly connected with a tail end execution component, all of which are sequentially connected; one end of each shoulder arm assembly is connected with the mounting base, each shoulder arm assembly can rotate around the mounting base, one end of each rear end arm assembly is rotatably connected with the side wall of the other end of the corresponding shoulder arm assembly, the side face of one end of each toggle arm assembly is rotatably connected with the other end of the corresponding rear end arm assembly, one end of each front end arm assembly is connected with the other end of the corresponding toggle arm assembly, and each front end arm assembly can rotate around the axial direction; and one end of each wrist arm assembly is connected with the other end of the corresponding front end arm assembly, each wrist arm assembly can swing in the length direction of the corresponding front end arm assembly, and the other end of each wrist arm assembly is connected with the corresponding tail end execution component. The robot is compact in structure and reasonable in design, and the intelligent cooperation dual-arm robot is good in mechanical structural rigidity, small in size and small in weight.

It is provided a support structure for a cooling unit for a vehicle, in which in one straight side edge portion of a rectangular cooling unit, a first support point and a second support point, which are set to be away from each other in a longitudinal direction of the one side edge portion, are supported by a first retention portion and a second retention portion, respectively, the first retention portion and the second retention portion being provided in a single support bracket fixed integrally to a vehicle body, the second retention portion supporting the second support point through a fragile portion that is broken to permit the second support point to be separated from the second retention portion when an external force equal to or larger than a predetermined value is applied to the second support point in a direction toward a rear side of a vehicle; and when the fragile portion is broken, the second support point being permitted to move toward the rear side of the vehicle, and to pivot in a direction of an arc with a center at the first support point.

The invention belongs to the field of four-footed gecko-imitating robots and particularly relates to CPG neural network control used for gecko-imitating four-footed coordinated motion and toe detachment and attachment control. A CPG control system of a wall-climbing robot imitating the flexible structure of the feet of a gecko comprises a higher central nervous module, a CPG neutral network module, a signal processing module, an execution module and a sensor module. Because a CPG network is adopted for imitating a motion control system of the animal, particularly imitating a rhythmic motion control system of the animal, a CPG multi-foot coordinated motion control system is built, the principle of a coordinated motion control algorithm with the higher nerve cells and the CPG as the core is obtained, and coordination is improved.

The invention discloses a wireless electrocardiograph monitoring system with a function for eliminating motion artifacts, which comprises a first electrode RA, a second electrode LL, a signal acquisition module and an upper computer, wherein, the signal acquisition module comprises an electrocardiosignal processing circuit, an electrode skin resistance signal processing circuit and a wireless radio frequency circuit. The upper computer is connected with a coordinator and the wireless radio frequency circuit is connected with the coordinator in a wireless manner through the ZigBee technology; electrocardiosignals are extracted by the electrocardiosignal processing circuit and sent to the wireless radio frequency circuit. The electrode skin resistance signal processing circuit is used for extracting electrode skin resistance signals and then sending the skin resistance signals to the wireless radio frequency circuit which is used for sending the electrocardiosignals and the electrode skin resistance signals to the upper computer. The upper computer adopts the electrode skin resistance signals as reference signals and the electrocardiosignals as the main input signals, and outputs the electrocardiosignals without any interference from the motion artifacts after the signals are processed by a self-adapting filtering algorithm.

The invention discloses a high-temperature resistant clay stabilizer and a preparation method thereof. The preparation method comprises the following steps: carrying out initiation reaction on epoxy chloropropane, dimethylamine and unsaturated quaternary ammonium salt with a sulfonate-containing anionic monomer under a certain condition; and then adding a chain transfer agent in the reaction process to control the molecular weight and after reaction, obtaining the clay stabilizer, wherein both the main and side chains contain cations and the side chain further contains anions. The clay stabilizer has the abilities of resisting temperature, preventing salt and resisting pollution; the clay stabilizer is small in use level, scouring resistant and good in anti-swelling effect; and the molecular weight is ranged from 1500 to 6000, so that the high-temperature resistant clay stabilizer is suitable for a low permeability reservoir.

The invention relates to a floating structure of a rotary type electric shaver, which comprises a fixed shaver frame (1) and at least one shave set and is characterized in that the side part of the circumference of an external shaver net seat (4) is provided with a convex insertion shaft (41), correspondingly, the side part in the fixed shaver frame (1) is provided with a slot (11) matched with the insertion shaft, the insertion shaft (41) is movably inserted in the slot, the front part and the rear part of the circumference of the external shaver net seat (4) are respectively at least provided with a convex retaining part (42), and the front part and the rear part in the fixed shaver frame (1) are provided with concave retaining walls (12) upwards limiting the corresponding retaining parts (42). The external shaver net seat can drive an internal shaver to float up and down with respect to the fixed shaver frame when being pressed, and can deflect with respect to the front part, the rear part and the side part of the fixed shaver frame by using the insertion shaft as a rotating center, therefore, the shaver set has larger movement freedom so as to lead the electric shaver to more fit the complex curved surface of the face of a user so that the shaving is cleaner and more perfect and the structure is more reasonable and practical.

An electric wheelchair that enables users suffering from impairment of the lower extremities due to paralysis or weakness caused by aging to manage their daily lives independently for social rehabilitation by allowing them to raise and lower the seat of the wheelchair between squatting and standing positions, to support their body weight at any position by stopping the chair, and to operate the movement of the wheel chair by using their arms or elbows pressed on either the inner or outer surfaces of the armrests even if both hands are occupied or impaired.

The disclosure provides a woven fabric, wherein all warp and weft yarns may be elastic. One or more of the weft and warp yarns may have a stretchable core comprising a first elastic fiber and a second fiber that may be less elastic than said first fiber. In embodiments, the elasticity of the fabric in the warp direction may be at least 25% and the elasticity of the fabric in the weft direction (Eweft) may be at least 25%. In embodiments, the elasticity of the fabric in the weft direction (Eweft) may be at least 30%. In embodiments, the elasticity of the fabric in the weft direction (Eweft) may be at least 40%.

The invention discloses a movable mechanism arm having eight free degrees. The movable mechanism arm comprises a six-axis mechanism arm system. The six-axis mechanism arm system comprises a six-axis mechanism arm and a tail end execution mechanism. The six-axis mechanism arm comprises a mechanism arm base, a first shaft joint, a first arm, a second shaft joint, a second arm, a third shaft joint, a fourth shaft joint, a fifth shaft joint and a sixth shaft joint. The movable mechanism arm having eight free degrees further comprises a first mobile platform and a second mobile platform placed on the first mobile platform. The first mobile platform is perpendicular to the second mobile platform, and the six-axis mechanism arm system is placed on the second mobile platform and can be relatively horizontally and vertically movably controlled. Compared with the prior art, according to the movable mechanism arm having eight free degrees, the horizontal displacement free degree and the vertical displacement free degree are added on the basis of the six-axis mechanism arm, the use scope of the mechanism arm is increased, and the use efficiency of the movable mechanism arm is improved.

The invention discloses an exoskeleton power knee joint structure. The exoskeleton power knee joint structure is characterized in that bending and extension motion of a knee joint is achieved througha crank sliding block mechanism principle; a screw rod rotates to drive an elastic sliding block assembly to slide along the screw rod; a sliding block and a knee joint rotating body are in series elastic drive flexible transmission; when being acted by external force, an output end can react in a highly dynamic form, a mechanism is protected, impact of uncertain environments to the mechanism is reduced, and force output of bending and extension motion to human bodies can be accurately controlled; bending and extension motion of the knee joint is achieved through a crank sliding block mechanism, linear springs are adopted in a transmission chain, and the mechanism can perform flexible outward drive; and an elastic body is introduced, and when the mechanism performs bending and extension motion, the springs are compressed and released, so that overload energy can be stored in the springs and is released when the springs return to the initial state, peak power of power drive can be reduced, force output is more smooth, and power assisting efficiency is greatly improved.

Restraint plate for humans in vehicles, comprised of belts (1) that surround the shoulders and the waist of a child and which are sewn for maximum safety. The device is also comprised of a plate (2) for cervical protection, which should be attached to the car seat by the conventional seat belt that comes in the car and another belt (18) designed to secure the whole device to the car seat.

The invention discloses a UAV type three-dimensional architecture printer which comprises a printing sprayer (1), a material conveying pipeline (2), a flying platform (3), a multiple rotor wing included angle adjusting assembly (4), a rotor wing assembly (5), a rotor wing pose adjustment assembly (6), a vision device (7), an extruder (8) and an extruder pose adjustment assembly (9). According to the UAV type three-dimensional architecture printer, the vision device (7) provides environment information for control, the movement path and the pose of the three-dimensional architecture printer arecontrolled by the rotor wing assembly (5) and the rotor wing pose adjustment assembly (6), the pose of the printing sprayer (1) is controlled by the extruder pose adjustment assembly (9), the architecture printing material is conveyed by the material conveying pipeline (2) and the extruder (8), the shape and the size of an extruded material are controlled by the printing sprayer (1), self-adaptive three-dimensional architecture printing is realized rapidly, and the architecture in the designated shape is printed in the designated position. The UAV type three-dimensional architecture printer is high in movement freedom, flexibility and working efficiency and low in cost.

The invention provides a virtual reality experience cabin, and relates to the field of the virtual reality assistant device. The virtual reality experience cabin comprises a cabin body, a controller, a virtual reality wearing device and a virtual reality experience platform. The virtual reality wearing device comprises a direction control actuating arm and a fixing component. One end of the direction control actuating arm is connected to the top of the cabin body, and the other end of the direction control actuating arm is connected with the fixing component. The fixing component is used for fixing a human body. The virtual reality experience platform is installed on the bottom of the cabin body. The controller is installed in the cabin body, and the controller controls the virtual reality experience platform to be operated. The virtual reality experience cabin can perform the virtual reality experience in the manner of standing, and the dynamic mode is more diversified and free.

A connecting element for a vehicle body substructure and a panel element having different heat expansion coefficients are provided. The connecting unit penetrates an opening in a plate of the substructure. A plate of the paneling element is held with play in the direction of its surface normal is in a groove of the connecting unit. The connecting unit includes a bushing having two parts that are moveable against one another in the direction of the surface normal, between which the other plate is held.

A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity adapts to tissues having different thickness. The surgical instrument includes a proximal portion with at least one bendable structure attached thereto. The at least one bendable structure is configured to fold anywhere along its length. Folding the at least one bendable structure causes the proximal end of the proximal portion to propagate in a distal direction.

The invention discloses a quadruped robot based on a four-bar mechanism. The quadruped robot comprises a base and legs, wherein every two of the four legs are symmetrically arranged on two sides of the front end and two sides of the rear end of the base; the legs each comprise a pedestal, a four-bar mechanism, a motor B, a cross bar, a coupling, a vertical bar and a scissors fork telescopic frame;the four-bar mechanism is a planar pivot four-bar mechanism and comprises a crank, a rocker bar and connecting rods; the front ends of the crank and the rocker bar are respectively hinged onto the pedestal; the rear end of the crank is hinged with the front end of the hinged connecting rods; the rear end of the rocker bar is hinged with the middle of the connecting rods; the motor B drives the crank to rotate around the hinged joint at the front end of the crank; the scissors fork telescopic frame is provided with multiple hinge joints from the upper end to the lower end; the scissors fork telescopic frame is connected with the coupling at the hinged joint at the uppermost end, and connected with the lower end of the vertical bar by virtue of any hinged joint except the hinged joint at the lowest end. The quadruped robot based on the four-bar mechanism disclosed by the invention has the advantages that the legs of the quadruped robot are driven by the four-bar mechanism, the travelingfunction can be realized by virtue of drive of one motor only, the manufacturing cost is low, and the electric control design difficulty is low.

The invention provides an electric wheelchair having functions of assisting going to and going out of beds and crossing over obstacles. The wheelchair comprises a wheelchair main body, a seat, a seatmoving mechanism, a backrest adjusting mechanism, foldable armrest mechanisms and an obstacle-crossing mechanism. The foldable armrest mechanisms comprise armrests, connecting rods and right-angle rods. The seat moving mechanism comprises the seat, an electric motor, belt wheels, a synchronous belt, a sliding block connecting plate, a crank, connecting rods, a sliding block and a sliding rail. Thebackrest adjusting mechanism comprises an electric motor, belt wheels, a synchronous belt, straight toothed spur gears and a backrest. The obstacle-crossing mechanism comprises two swing rods, smallwheels, an electric motor, a speed reducer and bevel gears. Meanwhile, the backrest adjusting mechanism and the obstacle-crossing mechanism are subjected to time-sharing driving by virtue of the samemotor and an electromagnetic clutch. The electric wheelchair provided by the invention, which has the function of crossing over the obstacles, can cross over obstacles which are 20cm high; the electric wheelchair provided by the invention is convenient for a user to operate and control; patient's motion freedom is improved, patient's motion intensity is reduced and workload of family members is reduced.