261results about How to "High freedom of movement" patented technology

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.

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 (E_weft) may be at least 25%. In embodiments, the elasticity of the fabric in the weft direction (E_weft) may be at least 30%. In embodiments, the elasticity of the fabric in the weft direction (E_weft) may be at least 40%.

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.

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 an unmanned aerial vehicle type emergency goods accurate delivery device. The unmanned aerial vehicle type emergency goods accurate delivery device comprises a vision device (1), a rotor pitching component (2), a flying platform (3), a multi-rotor included angle adjusting component (4), a rotor component (5), a rotor pose adjusting component (6), a cable launching and recover component (7), a cable movable end positioning component (8) and a goods delivery component (9). The unmanned aerial vehicle type emergency goods accurate delivery device can be used for accurate delivery of goods, such as materials, foods, drinking water and first-aid packets, in disaster areas, war zones and statuses that people are trapped.