1071results about How to "Increase movement speed" patented technology

A patient support apparatus may include a base frame, lift arms, an intermediate frame, a deck support having three articulating sections, a brake system, various drive motors, actuators, and sensors, at least one power source, communication devices, and at least one controller, wherein the lift arms, articulating sections, drive motors, brake system, and actuators may be controlled from the at least one controller and in response to signals received by the various sensors, while storing data internally and/or sending data to a remote location.

A method of controlling a movement of a mobile robot for realizing safe and appropriate accompanying behavior to follow an accompanied target includes detecting at least a position of the accompanied target, and controlling the movement of the mobile robot, based on the detected position of the accompanied target, so that the mobile robot moves along a path that is parallel to a moving direction of the accompanied target.

The invention relates to a walk-aiding exoskeleton robot system and a control method, which belong to the technical field of rehabilitation engineering. The system comprises a hanging support, a moving platform, joints, protecting sleeves, a sensor module, a signal acquisition module, a central processing module and a motion control module, wherein the hanging support is fixed on the moving platform, the joints are connected with the hanging support to form an exoskeleton robot, the sensor module, the signal acquisition module, the central processing module and the motion control module are sequentially connected, the sensor module is used for acquiring joint angles, the interacting force of the exoskeleton robot and the human being and the myoelectric signals of the muscles of the human body, the signal acquisition module carries out signal conditioning and digital-to-analog conversion, the central processing module carries out action generation and the reverse solution of motion, and transmits an action command to the motion control module, and the motion control module is connected with the exoskeleton robot and generates a pulse signal to control the coordinated motion of the exoskeleton robot. The invention realizes the synchronous motion of the exoskeleton robot and the human body and real-time active control.

The invention discloses a method for preparing a liquid seaweed fertilizer. The seaweeds serve as raw materials, and the method sequentially comprises the following steps: pulping and crushing fresh seaweeds or soaking and swelling dried seaweeds for pulping and crushing, performing ultrasonic extraction, performing solid-liquid separation, performing alkaline extraction on solid seaweeds, compounding the seaweed extraction solution and common fertilizers, thereby obtaining the liquid seaweed fertilizer. According to the method disclosed by the invention, the extraction efficiency of active ingredients in the seaweeds can be obviously improved, and compared with a traditional chemical extraction method, the method disclosed by the invention has the advantages that because a mild method is adopted, for example, ultrasonic extraction and relatively low temperature and dilute acid/dilute alkali assisted ultrasonic extraction are adopted, and the alkali extraction time is obviously shortened. According to the process technology, the activity of the active ingredient can be obviously preserved in the extraction process, so that high-activity seaweed extract and products thereof are obtained.

A proximity detector employs a capacitive sensor, having: at least one detection antenna including numerous capacitive proximity sensors which each include a measuring electrode, the antenna being positioned close to an object or body; electronic elements for exciting the electrodes and processing the distance measurement signals originating from the capacitive sensors; and digital elements of controlling the electronic elements and of calculating the distances between the electrodes and the body or object using the processed measurement signals. The detection antenna also contains a single guard for all of the measuring electrodes. Moreover, the electronic elements have, for each detection antenna, a floating or floating excitation capacitive bridge which co-operates with polling elements in order sequentially to measure the respective capacitances between each electrode and the object or body to be measured.

Disclosed is a lighting unit comprising at least one light emitting diode (50), means for supplying power to the light emitting diode (50), and a motor driven pump means (18) for generating a stream of fluid for cooling the light emitting diode (50). The pump means is mounted in a resiliently compressible member (48) for absorbing vibrations produced by the pump means (18) which reduces the level of noise produced by the lighting unit. The lighting unit has control means operable to gradually increase or decease the speed of operation of the pump means in response to the power dissipation of the light emitting diode exceeding or falling below, respectively, a threshold level, which makes the noise produced by the pump means less noticeable.

There is provided a hydro-power generating system including a wheel assembly having at least one rotatable wheel. The rotatable wheel is adapted to interface with moving water. The rotatable wheel rotates when contacting moving water, thereby generating power. An elongated rigid structure is provided with at least a portion thereof located above the rotatable wheel. The elongated rigid structure is secured so that the moving water will not cause the elongated rigid structure to move substantially. The wheel assembly includes at least one floatation member wherein the rotatable wheel will only be partially submerged in the moving water. The wheel assembly is connected to the elongated rigid structure so that the wheel assembly is held in place in the moving water. The wheel assembly is slidably connected to the elongated rigid structure so that the rotatable wheel may move vertically as the level of the moving water changes. A funnel and a screen are situated adjacent to and upstream of the wheel assembly.

An electric actuator of the present invention includes a hydraulic fluid supply device and an actuator actuated in response to an input of hydraulic fluid from a variable-volume pump. The hydraulic fluid supply device includes an adjustable-speed motor, the variable-volume pump which is driven by the adjustable-speed motor and ejects hydraulic fluid, an electric motor control unit which controls the adjustable-speed motor so as to achieve an intended rotation speed, and a pump control unit which controls the variable-volume pump so that the ejection volume of the variable-volume pump decreases with an increase in the ejection pressure of the variable-volume pump.

To track the movement of a common subject contained in a sequence of image frames time-sequentially captured by a digital camera, feature points of the subject are extracted from a first image frame, and corresponding points to the extracted feature point are identified in a second image frame that is captured after the first image frame. When the number of traceable feature points, to which the corresponding points can be identified, is less than a predetermined value, the speed of movement of the subject is judged high, and the shutter speed of the digital camera is set at a higher value.

The present invention discloses a preparation method of lavender nano essential oil. Said method includes the following steps: a), using sprayer to spray acetone or n-hexane on the lavender surface uniformly according to solvent and raw material ratio of 1:1-3, utilizing ultrasonic technique to treat lavender; b), reduced pressure distillation to remove solvent, utilizing steam equipment to extract lavender oil; and c), utilizing ion condensation action of chitosan and sodium tripolyphosphate to prepare nano carrier for embedding lavender essential oil so as to obtain the lavender nano essential oil.

A method is provided, including the following method operations: receiving captured images of an interactive environment in which a head-mounted display (HMD) is disposed; receiving inertial data processed from at least one inertial sensor of the HMD; analyzing the captured images and the inertial data to determine a predicted future location of the HMD; using the predicted future location of the HMD to adjust a beamforming direction of an RF transceiver towards the predicted future location of the HMD.

A head-mounted display (HMD) is provided, including the following: a transceiver; a plurality of antenna arrays; a selector configured to determine which of the antenna arrays is active for wireless communication of data by the transceiver; a display configured to render video data received by the transceiver through the active antenna array.

The invention relates to lithium ion battery positive electrode slurry, a preparation method thereof and a lithium ion battery. The positive electrode slurry comprises a positive electrode active substance, a solvent, a composite binder, a composite conductive agent and a dispersing agent, wherein the composite conductive agent is a mixture composed of a conductive agent A and a conductive agent B; the conductive agent A is a conductive agent capable of forming a point-to-point conductive network; the conductive agent B is a conductive agent capable of forming a point-to-line or surface-contact conductive network; and the conductive agent A and the conductive agent B respectively account for 80-90% and 10-20% of the total weight of the conductive agent. According to the method disclosed bythe invention, the positive electrode slurry is processed and modified by changing the adding sequence of different substances in the positive electrode slurry, adjusting the stirring time, the stirring speed and the proportioning ratio and using the dispersing agent, the positive electrode slurry which enables all the components to be uniformly mixed and is relatively good in dispersion, moderate in viscosity and relatively small in fineness can be prepared, and the positive electrode slurry can improve the processing performance of the lithium battery and also can keep the battery to have excellent electrochemical performance.

The invention relates to a semiconductor production line dynamic scheduling device, comprising a sample generation module for generating data samples, a scheduling model off-line learning module for building a scheduling module according to the data sample, and a production online scheduling module used for generating a real-time scheduling strategy according to the user scheduling target and the scheduling model to perform online scheduling of the semiconductor production line. A matched scheduling model is chosen from a scheduling model database according to the user requirements; the system state information of the semiconductor production line is inputted; and the application scheduling model chooses an optimal or a close-to-optimal scheduling strategy from the candidate scheduling strategies to be applied to the operation of the production line. Compared with the prior art, the semiconductor production line dynamic scheduling device achieves the real-time performance and optimization of the scheduling, satisfies the effectiveness of the scheduling and improves the overall performance of the production line.

A tire building method and a stitcher device therefore, which are aiming for achieving reliable pressing for bonding between a plurality of tire members all over outer face of the tire members, without forming a void between them, even though the outer face of the tire members have ups and downs, so as to curb strain in a carcass cord and to improve process efficiency. The method comprising: laying one or more of the tire members on a rotary support body such as a building drum; and press-contacting a press-contact part of a stitcher device on said one or more of the tire members on the rotary support while the rotary support being rotated, so as to bond together said one or more of the tire members; said press-contact part being a pneumatic-tire roller maintained with a certain level of inner pressure.

A lens driving apparatus includes a first yoke 7 having an inner peripheral wall 7a and an outer peripheral wall 7b placed to be concentric with each other and forming a rectangular U-shape cross section and a cylindrical shape; a second yoke 12 placed at an outer side of the first yoke 7 be concentric with the first yoke 7 and forming a rectangular U-shape cross section and a cylindrical shape; a base 2; a first magnet 6 and a first coil 4 arranged in a rectangular U-shape interior of the first yoke 7; a second magnet 11 and a second coil 9 arranged in a rectangular U-shape interior of the second yoke 12; a first lens support member 5; and a second lens support member 10. The second lens support member 10 is placed at an inner peripheral side of the second yoke 12 and having the second coil 9 fixed onto an outer periphery. The first lens support member 5 is linearly moved in a direction of an optical axis of a lens by an electromagnetic force caused by passing current through the first coil 4. The second lens support member is linearly moved in a direction of an optical axis of a lens by an electromagnetic force caused by passing current through the second coil 9.

Disclosed in a non-contacting electric potential sensor capable of being readily reduced in its size, which includes a detecting electrode, an electrically-conductive movable shutter, and a driving unit for driving the electrically-conductive movable shutter. The detecting electrode is to be placed facing a measurement object whose electric potential is to be measured. The electrically-conductive movable shutter is disposed so as to be movably located in a spacing formed between the detecting electrode and the measurement object when the detecting electrode is placed facing the measurement object, so that an exposure degree of the detecting electrode against the measurement object can be controlled. The driving unit includes a current injecting unit for selectively injecting current into the electrically-conductive movable shutter in a direction approximately perpendicular to a moving direction of the electrically-conductive movable shutter.

A method and apparatus providing a micro-mirror device configured to increase actuation speed thereof. The micro-mirror device includes a substrate, a mirror, a spring member and at least one adjacent micro-mirror device. The mirror is suspended over the substrate and configured to deflect in response to an actuation force. The spring member is suspended between the substrate and the mirror. Further, the spring member is configured to store energy upon being deflected by the mirror and is configured to release the stored energy to force the mirror to another position. The at least one adjacent micro-mirror device is positioned over the substrate adjacent the mirror and is configured to suspend the spring member.

When a touch pen is brought into contact with a lower liquid crystal monitor, a first contact position is recognized. When the touch pen is moved while kept in contact with the monitor, the position to which the pen is moved is recognized as a second contact position. A movement direction and movement distance of the touch pen are computed on the basis of data of the first contact position and the second contact position. A character rotation process is performed to rotate a character so that a nose is oriented in a specific direction in accordance with the movement direction and the movement distance of the touch pen. A character propulsion process is performed for propelling the character in the specific direction.

The invention belongs to the technical field of preparation of micro-nano fibers and relates to an electrostatic spinning device with a spinning nozzle capable of doing a linear reciprocatingmotion; a stainless steel needle head is fixed on an injector needle tube and is connected with the anode of a high-voltage direct-current power supply; the cathode of the high-voltage direct-current power supply is connected with an aluminum foil collector; the aluminum foil collector is fixed on a base of the device; the injector needle tube is fixed on one end of a linear motion rod; the linear motion rod runs through two parallel brackets and is capable of doing harmonic linear motion on the brackets; and the other end of the linear motion rod is connected with an organic glass plate by a crankshaft connection rod. The electrostatic spinning device has the advantages of multiple functions, concentrated spinning distribution and good ordering, small spinning distance, high yield, low working voltage, and the like.