157 results about "Body angle" patented technology

Measurement is made about a necessary evaluation parameter of a subject, the parameter being variable due to sleep apnea of the subject. A body position of the subject is detected in terms of angle information. The parameter measurement and the body angle detection are executed at a predetermined sampling frequency. These data are stored in a storage. A sleep evaluation system includes: an evaluation parameter detector for measuring an evaluation parameter of a subject, a body position detector for detecting a body position of the subject in terms of angle information; a storage for storing measurement data acquired by the evaluation parameter detector and by the body position detector therein; and a controller for causing the evaluation parameter detector to measure the evaluation parameter, and causing the body position detector to measure a body angle of the subject at a predetermined sampling frequency to store the measurement data in the storage.

The invention discloses a multiple-pose lower limb rehabilitation training robot which comprises a robot base and a training bed. The training bed comprises two leg mechanisms, a seat, a seat width adjusting mechanism, a human body gravity center adjusting mechanism, a back cushion, a weight reduction system and a seat back cushion angle adjusting mechanism. The robot base comprises a bed body angle adjusting mechanism, and the bed body angle adjusting mechanism is matched with a seat angle adjusting mechanism and can provide multiple pose training modes including lying, sitting, standing and the like for a paralysis patient. Each leg mechanism comprises a hip joint, a knee joint and an ankle joint. The hip joint, the knee joints and the ankle joints are driven by a motor and are provided with angle and force sensors, can be used for recognizing motion intention of the patient and facilitate active and aiding training of the patient. The human body gravity center adjusting mechanism, the leg mechanisms and the weight reduction system are mutually matched, bionic gaits approximating to natural walking of a human body can be achieved, and gait training effect can be improved.

The invention relates to the technical field of human body fall-down detection and provides a human body fall-down preventing early warning method and a human body fall-down preventing early warning device. The method includes the steps that real-time detection is performed on the body posture of a monitored object, body posture information of the monitored object is collected, and detection data are obtained; fusion processing is performed on the detection data, and signal data are obtained after being processed; the processed signal data are compared with a set threshold, whether the monitored object inclines to fall down or not is judged, when the monitored object inclines to fall down, warning is given before the monitored object falls down; the body posture information of the monitored object includes triaxial acceleration information, triaxial angular velocity information and triaxial body angle of inclination information of the monitored object, the detection data are nine-axial inertia sensing data which are obtained through detection by an integrated chip, and collection of the body posture information, fusion processing of the detection data and the fall-down judgment of the monitored object are completed on the same circuit board. The human body fall-down preventing early warning method and the human body fall-down preventing early warning device achieve early warning before the human body falls down and are high in integration level.

A walking robot, respective joints of which are operated through torque servo control to achieve stable pose control, and a pose control method thereof. A virtual acceleration of gravity is calculated using the COG of the robot and gravity compensation torques to apply force to links are calculated from the calculated acceleration of gravity so as to actively cope with external changes including external force or a tilt of the ground, thereby allowing the robot to stably maintain an erect pose and a desired upper body angle. Further, the robot maintains the erect pose with respect to the direction of gravity even under the condition that data regarding whether or not the ground is level or tilted are not given in advance, and maintains uniform poses of an upper body and legs while actively changing angles of ankle joints even if the ground is gradually tilted.

The present disclosure provides methods and devices for managing health conditions associated with posture. The devices can be configured to monitor patient body angles and alert caregivers when measurements are outside a recommended range for the health condition. The methods and devices can facilitate patient compliance and assist caregivers in adhering to action plans.

Embodiments described herein use depth images to extract user behavior, wherein each depth image specifies that a plurality of pixels correspond to a user. In certain embodiments, information indicative of an angle and/or curvature of a user's body is extracted from a depth image. This can be accomplished by fitting a curve to a portion of a plurality of pixels (of the depth image) that correspond to the user, and determining the information indicative of the angle and/or curvature of the user's body based on the fitted curve. An application is then updated based on the information indicative of the angle and/or curvature of the user's body. In certain embodiments, one or more average extremity positions of a user, which can also be referred to as average positions of extremity blobs, are extracted from a depth image. An application is then updated based on the average positions of extremity blobs.

A ladder attachment includes an elastomeric member having a rigid body including a concave recess created between first and second end legs. First and second gripper wings are connected to the elastomeric member and extend into the concave recess. Each gripper wing has multiple teeth oriented away from the body. The first and second gripper wings are separated from the body by first and second slots. The first and second gripper wings elastically deflect into the first and second slots and toward the body by a force acting on the body. The body has first and second apertures including first and second body angled surfaces oriented at an acute angle with respect to a line extending through the body and perpendicular to a planar body surface. The first and second gripper wings have a maximum thickness at the first and second connecting ends, and thinner first and second free ends.

Exercise apparatuses that may be particularly useful or treating and strengthening connective tissue. For example, apparatuses that may have or be reconfigured to have multiple (e.g., three or more) configurations that are suspended from above by a ceiling or stand. The equipment facilitates the stabilization of the body according to the principle of tensegrity, so that the tension in all movements is omni-directionally coherent, thus creating omni-tensional integrity, which may be helpful in treatment and strengthening of muscular connective tissue (fasciae) in musculoskeletal dynamics, to restore, rebuild, strengthen and regain elasticity within the human fascial network. These apparatuses can support the user at an oblique body angle while the user performs various movements.

The present invention relates to an up-right type vacuum cleaner having a weight compensation unit to share weight of main body. The up-right type vacuum cleaner includes a brush assembly having a pair of wheels, a main body being rotatably disposed to the brush assembly, a spiral spring being disposed at a connecting part of one side of the brush assembly, and a spring wrap reel being disposed at the connecting part of one side of the main body corresponding to the spiral spring and on which one end of the spiral spring is fixed, wherein the spiral spring gets loosen and wound round the spring wrap reel as the main body angles downwards.

A speaker device has a diaphragm, a static part vibratably supporting the diaphragm in a vibration direction and a driving part applying vibration to the diaphragm in response to an audio signal. The driving part is provided at the static part. The driving part includes a magnetic circuit forming a magnetic gap in a direction different from the vibration direction of the diaphragm, a voice coil vibrating along the magnetic gap, and a vibration direction converter part direction-converting the vibration of the voice coil and transmitting the vibration to the diaphragm. The vibration direction converter part includes a link body angle-converting a link part formed between the voice coil and the diaphragm. The static part includes an outer peripheral frame part surrounding the diaphragm and a bridge part bridging the inside of the outer peripheral frame part.

The invention discloses a truck-mounted drilling rig rod changing device. The truck-mounted drilling rig rod changing device comprises a machine body 1, a translation supporting leg 2, stabilization supporting legs 3, a drill rod feed machine body 4, a mounting base 5, a clamping mechanism 6, a machine body angle modulation oil cylinder 7, a lifting device 8 and an adjusting oil cylinder 9, wherein the translation supporting leg 2 and the two pairs of stabilization supporting legs 3 are mounted on the machine body 1; the drill rod feed machine body 4 is hinged to the mounting base 5 through a rear axle; the clamping mechanism 6 is mounted on the drill rod feed machine body 4; the lifting device 8 is mounted on one side of the machine body 1; the two ends of the adjusting oil cylinder 9 are fixed to the machine body 1 and the lifting device 8 respectively; the machine body angle modulation oil cylinder 7 is hinged to the drill rod feed machine body 4 and the machine body 1, and the pitchup angle of the drill rod feed machine body 4 can be controlled; a drill rod 11 is in butt joint with a drilling rig power head 10 through the rod changing device. The truck-mounted drilling rig rod changing device is simple in structure and convenient to operate, the working face is low, a rod adding device is small in size and light in weight, labor intensity of field workers is low, the automation degree is high, and working efficiency is improved.

The invention provides a device and a method for human lower limb gait recognition. In each embodiment, gait categories are sensed by using contact force data, joint angle data, and inclination body angle data. Dividing gait through a preset threshold is replaced, a gait classifier is used in the technical scheme to identify gait, so as to achieve an objective of gait determination.

The invention provides a method and device for dynamically and horizontally adjusting a vehicle headlamp. The method includes the steps that height variation values of a car body front axle and a car body rear axle are obtained and calculated; car body angle variation values corresponding to the height variation values of the car body front axle and the car body rear axle are calculated; headlamp light height variation values are calculated according to the height variation values of the car body front axle and the car body rear axle; light angle variation values corresponding to the headlamp light height variation values are calculated; a headlamp adjusting distance is calculated according to the car body angle variation values, the light angle variation values and the vertical distance between a headlamp adjusting motor mechanism and a headlamp reflection cover fixing shaft; and the headlamp is adjusted according to the adjusting distance. By means of the method and device, the precision of dynamically and horizontally adjusting the headlamp of a vehicle can be effectively improved, and safety of night driving is improved.

A method for PID (proportion integration differentiation) optimization control with a dead zone for a two-wheeled self-balancing intelligent vehicle comprises the following steps that (1) a gyroscope sensor tests and outputs a vehicle body swinging angular velocity signal in real time, an accelerometer sensor tests and outputs a vehicle body angle signal in real time, low-pass filtering and complementary filtering are performed on the vehicle body swinging angular velocity signal and the vehicle body angle signal, and the vehicle body swinging angular velocity signal and the vehicle body angle signal are fused into an accurate pose signal capable of reflecting pose information of a vehicle body in real time; (2) an angular displacement sensor tests and outputs a steering signal in real time; (3) a core control chip acquires the pose signal and the steering signal, performs analog-to-digital conversion on the pose signal and the steering signal, and then performs median average filtering on the pose signal and the steering signal; and (4) the core control chip computes processed data to obtain required control voltage by using PID optimization control with the 'dead zone', the control voltage is outputted to a left motor and a right motor in a PWM (pulse-width modulation) mode, and the two-wheeled self-balancing intelligent vehicle is stably controlled. By using the method, the response speed is high, interference is effectively avoided, and control stability and comfort of the two-wheeled self-balancing intelligent vehicle are guaranteed.

The invention provides a power cut prompting device for tilted or dumped electric vehicle and electric vehicle. The power cut prompting device includes a direct-current voltage regulated circuit module, a car body angle measurement module, a voice prompting module and a power cut control module. The direct-current voltage regulated circuit module is connected with the car body angle measurement module and the power cut control module. The power cut control module is connected with the car body angle measurement module, the voice prompting module and a controller of the electric vehicle. The car body angle measurement module is composed of single axis tilt angle sensors U2 and U3 with the opposite direction of installation. The voltage output ends of U2 and U3 are respectively connected with two signal input terminals of the power cut control module. When the output voltage of U2 or U3 is or greater than the preset action voltage of the power cut control module, an analog brake signal is generated and the voice prompting module opens. And the analog brake signal is transmitted to the controller of the electric vehicle, and a motor of the electric vehicle is controlled to power off by the controller. The power cut prompting device for tilted or dumped electric vehicle and electric vehicle have the advantages of high stability, low misjudgment and fault rate and simple circuit.

The invention relates to a vehicle suspension system part, in particular to a damping adjustable energy feedback type vehicle active suspension electromagnetic vibration reduction device. The device is installed in a suspension system of a vehicle and connected with a vehicle-mounted electronic control unit (ECU) and a vehicle-mounted storage battery, and the device is composed of an electromagnetic vibration reduction device, a control circuit, an acceleration sensor and a gyroscope sensor. Accordingly, by means of the electromagnetic vibration reduction device and the control circuit, the energy recovery efficiency is improved; by means of a coil winding adjusting circuit, multi-stage adjustment of electromagnetic vibration reduction device damping is achieved, and the requirements of different driving conditions are met; by means of the acceleration sensor, monitoring on road surface unevenness level and feedback of the control effect are conducted, and the riding comfort of vehicledriving on the road surfaces of different levels is improved; by means of the gyroscope sensor, monitoring of vehicle body angles and feedback of the control effect are conducted, and the control stability under different driving conditions such as acceleration, speed reduction and steering of the vehicle is improved.

The invention discloses a rapid-positioning and pneumatic-compressing universal fixture capable of slightly adjustable inclination angle, which comprises a bracket mounted on a workbench, wherein a box body is rotationally connected with the bracket; a flat fixture is fixed on a top plate of the box body and used for mounting a workpiece; the box body is provided with a pneumatic compressing mechanism for compressing the workpiece; and a box body angle adjustment device is arranged between the box body and the bracket. The universal fixture can rapidly position and press the workpiece when medium and small parts are machined; the inclination angle of the fixture can be adjusted; and the universal fixture has the advantages of good universality, high positioning accuracy, good self-locking property, and the like.

An antitheft system for use in a vehicle includes an angle sensor for outputting a signal that represents a body angle of the vehicle, an angle variation determination unit for determining an angle variation of the body angle at a predetermined interval based on the signal outputted from the angle sensor, a theft detection unit for determining whether the vehicle is in a theft condition based on a comparison of the angle variation with a predetermined value, and a temperature sensor for sensing temperature of the angle sensor. The angle variation determination unit compensates the signal from the angle sensor based on the temperature of the angle sensor sensed by the temperature sensor before determining the angle variation.

The invention discloses an instrument for measuring the moisture absorption characteristic and the body angle scattering coefficient of an atmospheric aerosol, which belongs to the technical field of atmospheric monitoring and meteorological monitoring equipment and is used for monitoring gas and aerosols in the environment. According to the technical scheme, the instrument consists of a sampler, a water vapor generator, a gas supply device and a detector, wherein gas enters a humidification tube and a direct detection tube respectively through the sampler; after gas entering the humidification tube is humidified, the gas is charged into the detector and is used for measuring the light scattering coefficient of the aerosol; the detector drives a light blocking sheet to rotate according to a set program through a stepping motor, and then light emitted from a light source at a certain angle is blocked, so that the body angle scattering coefficient can be detected; the water vapor generator and the gas supply device can provide different detection humidity. The instrument can be used for continuously and automatically measuring optical characteristics such as the body angle scattering coefficient of the aerosol by simulating different humidity conditions, is applicable to monitoring of environment air quality, observation of meteorological conditions, research on climatic variation and research on the optical characteristics of the aerosol, and has remarkable economic and social benefits.

The invention discloses a box body angle adjusting device for a universal fixture, which includes a bracket mounted on a working platform as well as a box body angle fine adjustment mechanism, wherein a box body is rotationally connected onto the bracket; a box body angle fine positioning mechanism is arranged between the box body and the bracket; the box body angle fine adjustment mechanism includes racks arranged under a gear scale division lateral plate and being in threaded connection with a rack fine adjustment bolt; a rack floating structure enables the racks to move vertically, is used for fixing the racks to a position where the racks are meshed with a gear of the gear scale division lateral plate, and is arranged under the rack fine adjustment bolt; and the box body angle fine adjustment mechanism is provided with a gear locking structure used for locking the gear positions. When middle and small parts are machined, the box body angle adjusting device can be used for adjusting the dip angle of the fixture, and has the advantages of excellent self-locking performance and the capability of saving time in adjusting the dip angle.

The invention discloses a navigation information processing method, a navigation information processing device and a virtual reality head-up display device. The navigation information processing method comprises the following steps: acquiring vehicle characteristic information; according to the vehicle characteristic information, displaying first navigation information at a terminal, wherein the first navigation information is used for displaying a proposed driving track under an actual road condition. The invention solves the technical problem of a poor dynamic display effect by the navigation information processing method; through combination of the current road condition, the vehicle body position, the vehicle body angle, the position from an intersection, the running speed and variousother vehicle characteristic information, driving indicating information at the current position is provided; driving immersion is enhanced, and navigational driving information is timely displayed; in addition, through the navigation information processing method, the navigation information processing device and the virtual reality head-up display device, when a vehicle passes through the intersection, through linkage of the terminal and a navigation application, the steering position of a virtual reality navigation arrow is dynamically matched with the actual position of the intersection.

The invention discloses a bone injury/osteoporosis treatment bed based on a multi-physical factor synergistic effect. The treatment bed comprises a head cabin, a liftable ultraviolet-proof eye light-shading plate, banding tapes for fixing arms and legs and a waist, an electromagnetic field generating coil arranged above a bed body, an ultraviolet generator, a control platform, a built-in ultraviolet sensor and an electromagnetic induction coil probe, the electromagnetic field generating coil arranged below the bed body, a bed body angle regulator, movable and adjustable fixed pedals, a pressure sensor and a linear motor. The control platform controls the ultraviolet generator, the electromagnetic field generating coils and the linear motor in a closed loop control mode via a feedback control module. With application of the synergistic effect of three physical factors of the treatment bed, bone loss of osteoporosis patients can be substantially inhibited and bone absorption rate can be reduced. Besides, fracture healing of fracture patients can be facilitated and bone injury restoration can be accelerated.

The invention relates to an infrared nearsightedness prevention reminding device which comprises a body. At least one infrared distance measuring sensor is arranged inside the front portion of the body. An alarm apparatus connected with the infrared distance measuring sensor is arranged on the rear portion of the body. An adjustment device which brings convenience to body angle adjustment and distance reminding is arranged in the middle of the body. A fixing device which brings convenience to body fixation is arranged at the lower end of the adjustment device. A connecting part supplying electricity to the infrared distance measuring sensor is arranged on the body. The infrared nearsightedness prevention reminding device has the advantages that the body with the built-in infrared distance measuring sensor is fixed through the fixing device, the angle formed by the body and a user and the distance between the body and the user are adjusted through the adjustment device, and therefore the practicability is improved; the electricity is supplied to the infrared distance measuring sensor through the connecting part, when the infrared distance measuring sensor detects that the distance between the body and the user is smaller than the specified distance, the alarm apparatus gives an alarm signal to remind the user, therefore, influences caused by the excessively short distance on the eyes are avoided, and the generation probability of the nearsighted eyes is effectively reduced.

Disclosed is a method for detecting rotary body angle and a sensing device. The inventive detecting method comprises: between luminous body and optoelectronic receiver connected with external circuit being positioned a barrier, which blocks light transmission between luminous body and optoelectronic receiver by rotating with the rotary body and stopping at the blocking point; detecting corresponding rotary angle according to the character signal output by the external circuit. The rotary sensing device having a cylinder shell, in the shell body being positioned a luminous body and an optoelectronic receiver connected with external circuit, between the luminous body and the optoelectronic receiver being positioned a barrier which rotates with a rotary body and blocks light projected by the luminous body by blocking the optoelectronic receiver. The inventive sensing device has the advantages of withstanding high moisture and high voltage, of withstanding hot corrosion and vibratory impulse.