102results about How to "Improve operational sensitivity" patented technology

A learning environment and method which is a first milestone to an expert machine that implements the master-slave robotic concept. The present invention is of a learning environment and method for teaching the master expert machine by a skilled worker that transfers his professional knowledge to the master expert machine in the form of elementary motions and subdivided tasks. The present invention further provides a stand alone learning environment, where a human wearing one or two innovative gloves equipped with 3D feeling sensors transfers a task performing knowledge to a robot in a different learning process than the Master-Slave learning concept. The 3D force\torque, displacement, velocity\acceleration and joint forces are recorded during the knowledge transfer in the learning environment by a computerized processing unit that prepares the acquired data for mathematical transformations for transmitting commands to the motors of a robot. The objective of the new robotic learning method is a learning process that will pave the way to a robot with a “human-like” tactile sensitivity, to be applied to material handling, or man/machine interaction.

A new type of switching mechanism for a ground fault circuit interrupter (GFCI) with reverse wiring protection preferably includes two pairs of fixed contact holders, each member of each pair having at least one fixed contact at one end; a pair of movable contact holders, each having an end having one or more of movable contacts, each movable contact being arranged for contacting one of the fixed contacts; and a movable assembly that moves between first and second positions, wherein the first position is a position in which each of the contacts of the fixed contact holders makes contact with one of the contacts of the movable end of one of the movable contact holders, and wherein the second position is a position in which the contacts of the fixed contact holders are separated from the contacts of the movable contact holders.

The invention provides an error-correcting method for a touch panel, which comprises the following steps: recording effective clicking coordinate points, moving coordinate points and lifting coordinate points respectively, comparing the coordinate points and determining whether the moving coordinate points and the lifting coordinate points are in a preset effective sensing zone, thereby accurately determining the effectiveness of clicking and moving events. The method can effectively avoid the misoperation and enhance the operation sensibility.

An optical mouse and image capture chip thereof. The image capture chip comprises an image sensor, a calculating logic circuit, and a refreshing logic circuit. The image sensor has a plurality of sensor units, capturing an image according to an exposure parameter to provide a plurality of exposure values. The calculating logic circuit provides an average exposure value by calculating the exposure values. If the exposure sample is within a first exposure range, the refreshing logic circuit maintains the exposure parameter and accordingly drives the image sensor to capture a next image. If the average exposure value is within a second exposure range, the refreshing logic circuit adjusts the exposure parameter with a first exposure extreme and accordingly drives the image sensor to capture a next image. If the average exposure value is within a third exposure range, the refreshing logic circuit adjusts the exposure parameter with a second exposure extreme and accordingly drives the image sensor to capture a next image.

A proportional steering valve comprises a reserving valve and a proportional throttle valve (4). The reversing valve is provided with an oil inlet port (10), an oil return port (11), a first working port (12) and a second working port (13), an output port (14) of the proportional throttle valve is communicated with the oil inlet port (10), and an input port (15) of the proportional throttle valve is connected with one end of an internal oil inlet channel (23). The invention further provides a proportional steering hydraulic circuit comprising the proportional steering valve and provides a proportional steering system and a vehicle. Functions of flow control and reversing are achieved by the aid of the proportional throttle valve and an electronic control valve respectively, and accordingly, steering is realized by combined control, response speed is increased conveniently, and flexibility in steering is improved remarkably. In addition, cost is low and pollution resistance capacity is strong due to utilization of common hydraulic elements.

An anti-backflow valve, including a valve seat and a plug slidingly disposed in the valve seat, is provided. The valve seat has a ring portion protruding inwards at a middle section of a flow passage thereof. The ring portion has a seat portion extended outwards on one side thereof. The plug has an accommodating chamber recessed inwards on one side thereof. The accommodating chamber has an opening radially penetrating through the plug at one end thereof distant from an inlet. The plug has a protruding portion at one end thereof adjacent to the inlet. An outer diameter of the protruding portion is larger than an inner diameter of the ring portion. A spring is provided between the protruding portion and the ring portion, and a portion of the plug penetrating through the ring portion has an O-ring engaged thereon corresponding to the seat portion.

The invention discloses a variable transmission ratio optimization design method of a multi-mode drive-by-wire power steering system and a special system thereof. The method comprises the following steps: 1) establishing a drive-by-wire power steering system dynamic model; 2) establishing road feel and sensitivity evaluation indexes of the steer-by-wire system; Step 3) starting to increase progressively at the speed of 25km/h, and setting 10 groups of vehicle speeds; 4) taking the steering transmission ratio as an optimization variable, determining the transmission ratio under the fixed yaw velocity gain and the fixed lateral acceleration gain according to the automobile parameters and the automobile speed, taking the transmission ratio as a design space of the transmission ratio, and taking the steering road feel and the steering sensitivity as optimization objectives to establish a multi-objective optimization model; Step 5) According to the transmission ratio optimization result, adopting the smooth curve to perform fitting to obtain an optimized design result. According to the transmission ratio optimization method of the steering system, through further optimization design ofthe transmission ratio of the steering system, the road feel and sensitivity of automobile steering are considered, the comprehensive performance of the steering system can be effectively improved, and the driving experience of a driver is improved.

To provide an objective lens driving device that drives an objective lens for converging light on a recording surface of an optical disk, not only in a focusing and a tracking directions but also in an inclining direction of an optical axis of the objective lens, four support members are fixed to outer edge portions of a lens holder, and positions where the other support members are fixed to at least one of the lens holder and a fixing section are located inside the four support members fixed to the outer edge portions of the lens holder.

The invention discloses a load-sensitive rotation buffer valve and a crane rotation hydraulic system. A middle path of a rotation reversing valve is sequentially connected with a guide oil port of a three-way pressure compensation valve and an oil inlet of a constant flow valve through an LS feedback oil path, an oil inlet of the three-way pressure compensation valve is communicated with an oil inlet of a valve body, an oil outlet of the three-way pressure compensation valve is communicated with an oil returning opening of the valve body, an oil outlet of the constant flow valve is divided into two paths, one path is directly connected with the oil returning opening of the valve body, the other path is communicated with an oil inlet of a first one-way valve and an oil inlet of a second one-way valve at the same time, a speed adjusting valve is formed by the three-way pressure compensation valve and the rotation reversing valve, flow adjustment of a work oil port A and a work oil port B is achieved, flow is output proportionally, influences of the load are avoided, in the whole operation process, action is stable, fast and slow action is avoided, stable opening is achieved, during stopping, pressure impact is small, and a crane cannot rotate and swing.

Provided is a power seat device in which an operator can intuitively recognize an operation of a movable member. Operation units are provided in movable members in a power seat body. Each of the operation units includes a pair of electrodes and a dielectric layer formed between the pair of electrodes so as to be compressively deformable, and compressively deforms the dielectric layer by an operator's push operation. Driving devices are controlled so that the movable members move in the push direction of the operator based on the capacitance between the pair of electrodes changing with the compressive deformation of the dielectric layer.

The invention relates to a self-power-generation intelligent continuous mouse hunting cage. The self-power-generation intelligent continuous mouse hunting cage includes a mouse hunting chamber at one side, and a turning chamber, a power generation chamber and a mouse storage chamber at the other side, wherein the turning chamber, the power generation chamber and the mouse storage chamber are successively arranged from top to bottom; baits are arranged in the mouse hunting chamber; first photoelectric sensors are arranged on two sides of the lower end of the mouse hunting chamber; a mouse cage door is formed in one side of the mouse hunting chamber; the mouse hunting chamber communicates with the turning chamber via a leading channel; a turning plate and a second photoelectric sensor are arranged in the turning chamber; the turning plate is arranged on one side of the power generation chamber, a mouse can slide from the turning chamber to the power generation chamber through the turning plate; and a cylindrical power generation cage is arranged in the power generation chamber, a power generator is arranged outside a central shaft of the cylindrical power generation cage, the mouse runs in the power generation cage, and the power generator converts rotation energy of the power generation cage into electric energy. The self-power-generation intelligent continuous mouse hunting cage is low in cost, is optimized, is high in mouse hunting efficiency, can save lots of electricity, can be reused, and can achieve continuous mouse hunting.

The invention discloses a mobile terminal protective shell. The mobile terminal protective shell is arranged on the outer surface of a mobile terminal in a sleeving manner, and is characterized by comprising physical keys and a communication unit, as well as a control chip connected with the physical keys and the communication unit, wherein the control chip is used for generating a control instruction based on key value information corresponding to the physical keys and transmitting the control instruction to the communication unit when a pressing operation to the physical keys is detected; and the communication unit is used for establishing communication connection with the mobile terminal and transmitting the control instruction to the mobile terminal based on the communication connection. The invention further discloses a method and device for controlling a mobile terminal application. According to the mobile terminal protective shell and the method and device for controlling the mobile terminal application disclosed by the invention, the game action sensitivity can be improved, and the game is conveniently controlled by a user.

The invention discloses a balance car, comprising a power supply, a control circuit, a hub motor and pneumatic tires. The power supply is used for supplying power to the balance car. The control circuit is used for controlling the operation of the hub motor. The hub motor comprises a hub rotor and a motor stator arranged in the hub rotor. The outer side of the hub rotor is sleeved with the pneumatic tires. The pneumatic tires comprise a left tire and a right tire, the left tire and the right tire are respectively arranged on the left and right sides of the hub rotor in a sleeving manner, and an inner cavity of the left tire communicates with an inner cavity of the right tire. The balance car can be applied to the technical field of vehicles. The balance car can effectively overcome the defects in the prior art, can realize convenient control over the turning operation through optimization and improvement of the pneumatic tires, can effectively improve the operation sensitivity, and caneffectively reduce the difficulty in operation.

A vehicular brake hydraulic pressure control device of the invention includes accumulators that are connected to a first brake pedal L1 and store brake fluid with a first master cylinder MC1 at atmosphere, a first brake system K1 that is operable to apply interlock control to a front wheel brake F of a second brake system K2, and a switching unit 6 that switches channels of brake fluid flowing to the first hydraulic pressure output channel D1 of the first brake system, from the first master cylinder MC1 to the accumulators 7, 8 when a pump 24 is in operation.

The invention provides a depth camera device used for a mobile communication device. The depth camera device comprises an infrared emitter module which is configured to emit infrared light in a first wavelength range; and an infrared camera module which is configured to obtain image light and generate a depth image. The infrared camera module comprises an imaging lens which is configured to capture the image light, a first antireflection film being formed on the surface of the imaging lens, wherein the first antireflection film is used for enhancing transmitting intensity of the light in the first wavelength range; and a black-and-white image sensor which is configured to be aligned with the imaging lens and receive the image light from the imaging lens directly without passing through any light filter, and the black-and-white image sensor responds to the full-waveband image light directly received from the imaging lens and generates electrical signals. The depth camera device can improve photosensitive performance of the image sensor on the infrared light, saves power consumption, accelerates data acquisition speed and simplifies processing flow.

The invention belongs to the technical field of tires and specifically relates to a non-pneumatic tire, in particular to the non-pneumatic tire of an annular corrugated structure. The non-pneumatic tire comprises a rim. A tread, a buffer layer and a rim matching component are sequentially arranged on the rim from outside to inside. The tread is sequentially composed of tread rubber, a transitional rubber sheet I, all-steel cords and a transitional rubber sheet II from outside to inside. The buffer layer is of an annular corrugated structure. Wave crests of the buffer layer are tightly attached to the inner side of the tread. Wave troughs of the buffer layer are tightly attached to the outer side of the rim matching component. A Reuleaux triangle space is formed between the buffer layer and the tread, and a Reuleaux triangle space is formed between the buffer layer and the rim matching component. The buffer layer and the rim matching component are fixed through a U-shaped buckle. By the adoption of the non-pneumatic tire, the flat tire problem of a pneumatic tire is solved, the buffer performance is good, and a manufacturing technology is simple.

The invention discloses a shockproof type sensing touch switch and a control method. The switch comprises a touch panel, a force sensor and a connector. The force sensor is fixed to the back face of the touch panel through the connector, the touch panel is deformed after being subjected to touch pressing force and external disturbance acting force, deformation is transmitted to the force sensor through the connector, and the two kinds of deformation is converted into electric signals through the force sensor. An amplitude limiting integral circuit differs the touch signals from the disturbance signals according to the frequency spectrum features of the signals. According to the control method of the shockproof type sensing touch switch, the amplitude limiting integral circuit differs the touch signals from the disturbance signals, and therefore shockproof performance and impact and disturbance resistance of the switch are greatly improved, and meanwhile operating sensitivity is improved.

The invention discloses an initial positioning system for fluid flowmeter measuring. The initial positioning system comprises a metering channel, a transformation cavity, a piston; the initial end ofthe metering channel is connected to the upper part of the transformation cavity; a piston is in reciprocating motion in the transformation cavity to make the transformation cavity generate the positive and negative pressure change; meanwhile, the initial positioning system further comprises a pressure release opening located on the wall of the transformation cavity and connected to the outer partof the transformation cavity; the piston performs the reciprocating motion to pass through the pressure release opening; when the piston is located at the pressure release opening, and the inside andoutside of the transformation cavity are connected, the maximum volume of fluid held in the transformation cavity is not less than one third of the total volume of the transformation cavity. The initial positioning system is simple in operation and convenient to measure; the taking process does not use external tools, thus the initial positioning system can prevent fluid from waste, pollution andoxidization, prevent fluid from volatilization or moisture absorption, and improve the sensitivity of metering and using.