717results about How to "Simple plan" patented technology

A VTOL aircraft (or other vehicle such as a sea vehicle) includes a pair of elongated ducts on opposite sides of the vehicle body, and a plurality of powered propellers (or other propulsion units such as jet engines) mounted within and enclosed by each of the elongated ducts, such as to produce an upward lift force to the vehicle. Each of the elongated ducts has a short transverse dimension slightly larger than the diameter of the blades of each propeller enclosed thereby, and a large transverse dimension slightly larger than the sum of the diameters of the blades of all the propellers enclosed thereby.

A method of identifies an appropriate wireless communication channel in an audio receiving device, that comprises 1) a wireless receiver receiving an audio signal on a particular transmission channel selected among a predefined number of possible transmission channels, and 2) a microphone for picking up a sound in the environment of the audio receiving device. The method comprises a) selecting a channel as the receiving channel among a predefined number of possible transmission channels; b) analyzing the received signal received and the signal picked up by the microphone; c) determining whether a predefined criterion concerning the degree of similarity of the received signal and the signal picked up by the microphone is fulfilled; d) KEEPING the channel as the receiving channel, if the predefined criterion is fulfilled; and e) CHANGING the receiving channel to another channel if the predefined criterion is NOT fulfilled.

Provided are a volumetric three-dimensional display panel formed by stacking a plurality of transparent, flexible two-dimensional display panels, such as organic light-emitting devices, to have a curved surface, and a volumetric three-dimensional display system employing the volumetric three-dimensional display panel. In the volumetric three-dimensional display panel, two-dimensional images are displayed on the two-dimensional flexible display panels to form a single three-dimensional image, and a display surface of the volumetric three-dimensional display panel is curved with a predetermined curvature or is flat.

The invention discloses an intelligent cooking machine and a cooking method thereof. The intelligent cooking machine comprises a novel stirrer used for stir-frying, and the problem of stir-frying of the intelligent cooking machine is solved better. The invention further discloses a stir-frying machine assembly frame which adapts the novel stirrer. The stir-frying machine assembly comprises a material inputting device, a dish containing device, a water containing device, a pot cover integrated system, and a bottom leakage injection device, and further comprises a manual button, an Internet of Things identification device and a network device. The novel cooking machine can be used as a stir-frying machine, and can also be used as other kitchen electric cooking machines such as a rice cooker,a soybean milk machine and a bread machine, and has a higher level of intelligence.

An asymmetrical virtual ground single transistor floating gate memory cell has a floating gate that overlies a channel region in a p-well, the channel region lying between a heavily doped n+ drain region and a lightly doped n− source region. A heavily doped p+ region known as a “halo” is disposed in the channel adjacent the heavily doped n+ drain. The floating gate is spaced away from the channel region by a generally thin tunnel oxide. A lightly doped source with a graded source / channel junction reduces source side CHE generation. In one variation, a thicker oxide between the source and the floating gate reduces CHE injection from the source side. A heavily doped drain with a halo implant in the channel adjacent the drain enhances drain side CHE generation.

A stationary device 20 sends a portable-device finding signal to a portable device 10 from a plurality of stationary-device side antennae 24 and 25, which are located at different positions. Upon receipt of the portable-device finding signal from the stationary device 20, the portable device 10 sends a reception intensity data signal to the stationary device 20. The stationary device 20 determines the current position of the portable device 10 by using reception intensity data of the portable-device finding signals, which are received at the stationary-device side antennae, from the portable device 10.

A method of performing network modification in a telecommunications network is disclosed. The method comprises storing a database comprising a master inventory defining network resources available in the network. A network modification is performed by a process comprising modifying the database storing the master inventory; and modifying the network in dependence on the modified database. The method can be used in the management of telecommunications systems. A network planning method is also disclosed.

The invention discloses a transformer substation patrol robot based on multi-sensor data fusion picture composition and a method thereof. The transformer substation patrol robot comprises a robot moving platform, wherein an industrial control machine, a speedometer, a speed measuring sensor, a vision acquisition device and a laser radar are arranged on the robot moving platform; the industrial control machine is connected with a journey calculation device, the vision acquisition device and the laser radar respectively; the journey calculation device is connected with the speed measuring sensor. The transformer substation patrol robot has the beneficial effects that the vision image processing position and the laser radar synchronization positioning and map establishment are two decision positioning modes, journey calculation device track plotting is a relative positioning mode, combined action of the two absolute positioning modes in picture composition is successfully achieved, the relative positioning mode is corrected by using the absolute positioning modes, and continuous correction of the journey calculation device is realized.

A method of driving a MEMS mirror scanner having an electrostatic actuator, comprising a step of driving the electrostatic actuator according to an input signal in accordance with a driving waveform obtained by the following equation,whenC+′(θ)≠0VV(t)=1C+′(θ)I[-C-′(θ)IVB+-(1ICL(θ)θ)(1ICR(θ)θ)VB2+C+′(θ)I(θ¨+2BIθ.+κIθ)]whenC+′(θ)=0VV(t)=θ¨+2BIθ.+κIθ2C-′(θ)IVBwhere, B / I, κ / I, (1 / I)·dCL(θ) / dθ and (1 / I)·dCR(θ) / dθ are parameters for obtaining the driving waveform, θ(t) is a desired mirror angle response, I is a moment of inertia of a moving part including a mirror, 2B is a damping factor (damping coefficient), κ is a spring constant, CL(θ) and CR(θ) are angle dependencies of an electric capacitance, VB is a constant bias voltage in differential driving, and C+′(θ) and C−′(θ) are ½ of the sum and the difference of the first order derivative of CL(θ) and CR(θ) with respect to θ, respectively, which are represented by defined equations.

The invention discloses a stir-frying device of a stirrer of an intelligent cooker, a cooker and a stir-frying cooking method thereof. The stir-frying device of the stirrer comprises a stirring turnersystem, wherein the stirring turner system comprises a stirring turner assisting module and a stirring turner, and the stirring turner assisting module assists the stirring turner to stir-fry foods in a pot body of the intelligent cooker. The stir-frying device enables the stirring turner to complete two or more independent movements. The pot body of the intelligent cooker comprises an envelopingplane formed by the movements of the stirring turner, and / or the stirring turner assisting module drives the stirring turner to stir-fry the foods in the pot body of the intelligent cooker by adopting a left-right stir-drying method or a deformable left-right stir-drying method. The stir-frying problem of the intelligent cooker is better solved.

Method for recovering frame timing of a mobile communication device performing a sleep mode. The mobile communication device communicates with a base station through a communication system so that wireless signals are transmitted via frames. The method includes executing a synchronous task for interrupting currently loaded control processes in a real-time operating system and for calculating a predetermined sleep period for the sleep mode, executing the synchronous task for driving the mobile communication device to enter the sleep mode during an actual sleep period, and executing the synchronous task for synchronizing frame timing of the mobile communication with frame timing of the base station according to the actual sleep period.

An engine brake may include a rocker shaft, a rocker arm pivoting around the rocker shaft, an actuator piston disposed to the rocker arm and selectively protruded there from, a stopper disposed to a corresponding position of the actuator piston for the rocker arm to open a valve when the actuator piston is protruded and a hydraulic pressure supply portion selectively supplying hydraulic pressure to the actuator piston.

A method of performing network modification in a telecommunications network is disclosed. The method comprises storing a database comprising a master inventory defining network resources available in the network. A network modification is performed by a process comprising modifying the database storing the master inventory; and modifying the network in dependence on the modified database. The method can be used in the management of telecommunications systems. A network planning method is also disclosed.

A method for controlling a mobile communication device to enter a power-saving mode and to recover timing after the mobile communication device leaves the power-saving mode. The mobile communication device communicates with a base station through a time division multiple access (TDMA) system so that wireless signals are transmitted via frames. The method includes executing a sleep mode managing / timing recovering program for interrupting other control procedures, utilizing the sleep mode managing / timing recovering program to calculate a predetermined sleep period, controlling the mobile communication device to enter the sleep mode, executing the sleep mode managing / timing recovering program for stopping a clock signal from driving a micro-controller unit during an actual sleep period, controlling the mobile communication device to terminate the sleep mode, and executing the sleep mode managing / timing recovering program for synchronizing timing of the mobile communication device with timing of the base station according to the actual sleep period.

The invention discloses a high-precision data recording time service instrument. A GPS time-service plate receives the second pulse information of precision and absolute time information through an antenna; the information is then transmitted to a recording control plate and corrects an internal clock in the control plate; strict synchronisation between the control plate and the absolute time is kept; the recording control plate is respectively connected with the equipments to be recorded and a user data collecting computer through communication cables; the user data is received and the commands emitted by a computer is collected in accordance with a communication protocol; the state of the GPS receiver and GPS time and position information are fed back to the user data collecting computer; the communication rate and data frame format of the equipment to be recorded are arranged; the communication with the equipment to be recorded is established; the time-service instrument is convenient to be carried, can work in all areas with GPS satellite signals, is used for providing asynchronous series testing interfaces for the time-service precision requirement of 1 multiplied by 10<-4> seconds; furthermore, the communication rate is 38400bps. The invention is used for testing the true-value equipments which has fixed testing frame length and 38400bps of signalling rate and recording the output data of the equipment to be tested.

A signal generating section generates a main signal and a noise reference signal. A determining section determines whether a level ratio is larger than a predetermined value. An adaptive filter section generates a signal indicative of a signal component of a target sound included in the noise reference signal generated by the signal generating section, and learns a filter coefficient only when the determining section determines that the level ratio is larger than the predetermined value. A subtracting section subtracts the signal generated by the adaptive filter section from the noise reference signal. A noise suppressing section suppresses a signal component of noise included in the main signal by using the main signal and the noise reference signal after subtraction by the subtracting section.

The invention discloses a resource allocation method and electronic equipment. The electronic equipment is loaded with an operating system comprising a hardware abstraction layer and is provided with a server and at least one application program. The server is a program module which can operate in an operating system background in preset time, and the application program is a program module which can response operation only when used for displaying an application interface on a display unit of the electronic equipment. The resource allocation method includes the following steps: the hardware abstraction layer monitors whether the first application program sends out request information used for requesting resources, wherein the first application program belongs to the at least one application program; when the request information is monitored, the hardware abstraction layer judges whether the resources are occupied by the server; and when the resources are occupied by the server, the hardware abstraction layer controls the server to release the resources; and when the server releases the resources, the first application program occupies the resources.

The invention discloses a method for measuring airflow of a fan motor. The method is characterized by comprising steps as follows: A), M constant airflow control functions Qi=F(n) corresponding to M airflow points CFMi are established in a microprocessor of a motor controller, wherein Q can be input power, direct current bus current or torque, and n is the rotating speed of the motor; B), the motor is started, the real-time rotating speed n0 and the parameter Q0 of the motor are detected after the motor is in a stable state, the Q0 is put into a plurality of constant airflow control functions Qi=F(n) corresponding to a plurality of airflow points CFMi, a plurality of rotating speeds ni are obtained, the real-time rotating speed n0 and a plurality of corresponding rotating speeds ni are compared, and the real-time detection airflow CFM0 is ensured to be located between CFMi and CFM(i-1); and C), the real-time detection CFM0 is calculated with an interpolation method. According to the method, blocking of an air filter net can be accurately judged, a signal can be output for giving an alarm, the mathematic model is simple, the control is reliable, and the accuracy is high.

A volumetric three-dimensional display panel and a volumetric three-dimensional display system employing the volumetric three-dimensional display panel are provided, wherein the volumetric three-dimensional display panel is formed by stacking a plurality of transparent flat display panels, such as, organic light-emitting devices. In the volumetric three-dimensional display panel, two-dimensional images are displayed on the transparent three-dimensional display panels, respectively, to form a single three-dimensional image.

The invention relates to the field of machining, in particular to a method for machining a thin-wall bearing housing part. The method comprises the following steps that a blank is forged, and a process construction chuck is reserved; rough turning is carried out, wherein the appearance of a workpiece is roughly turned on a common lathe, a ladder hole of the workpiece is roughly turned, stabilizing treatment is carried out, and the internal stress of the workpiece is eliminated; finish turning is carried out, finish turning is carried out on the workpiece on a numerically controlled lathe, the working allowance of 0.9 mm is reserved on the single side of the outer circle and the single side of an inner hole; rough grinding is carried out, wherein the two end faces of the workpiece are ground on a surface grinding machine, and the depth of parallelism between the two end faces is kept within 0.05 mm; rough grinding is carried out, wherein the construction chuck end face of the workpiece is sucked by a suction cup on a universal grinding machine, alignment is carried out according to the outer circle, and the outer circle, the inner hole and the end faces of the workpiece are ground roughly. The machining process is simple, the scheme is simple and practical, clamp design is reasonable, application is convenient, manufacturing cost is low, the part is easy to dismount, the use effect is good, the machining quality of the workpiece can be ensured, workpiece efficiency can be improved, and the method is suitable for batch production of the large-diameter thin-wall part.

The invention relates to a high-speed aircraft lifting surface aerodynamic heating structure multidisciplinary optimization design platform belonging to the technical field of modern high-speed aircraft designs. In the invention, by aiming at the demands of lifting surface heat vibration analysis in an aerodynamic heating environment when a high-speed aircraft lifting surface is designed and considering the positive correlation among aerodynamic heating structures, an aerodynamic heating structure integrated analysis method including aerodynamic heating calculation, transient heat conduction analysis, structural heat model analysis and non-constant aerodynamic force and heat vibration analysis is researched, and the aerodynamic heating structure multidisciplinary optimization design taking the most dangerous heat vibration speed as the constraint and taking the lifting surface structural quality as a target function is researched to achieve the goal of the optimization design on the high-speed aircraft lifting surface. The invention breaks through the problem that the multidisciplinary design optimization is carried out without combining with the influence of three aspects of aerodynamic heating on the structure in the traditional high-speed aircraft design, provides a set of high-speed aircraft lifting surface aerodynamic heating structure optimization design methods and waysand has the advantages of simple scheme and high efficiency.

The invention discloses an autonomous path planning method for a plant protection unmanned aerial vehicle. A spraying area of the unmanned aerial vehicle is given. After the unmanned aerial vehicle receives a spraying task, a to-be-sprayed area is divided into strip-shaped areas, a spraying path is planned, the unmanned aerial vehicle tracks the spraying path to carry out a spraying mission, complex earlier-stage preparatory work is not required before the unmanned aerial vehicle works, spraying work is performed according to the pre-planned path, overspray and missing spray and the like are avoided, pesticides are saved, the pest control effect is improved, and manpower is saved.

The invention belongs to the field of track planning of an industrial robot and discloses a robot real-time corner transition method based on Bezier spline. The method comprises the following steps: recording the coordinates of a start point and a transition point of a joint space, the coordinates of a target point and the transition point of a Cartesian space, the transition radius R and the maximum error constraint of the Cartesian space; calculating the coordinates of the start point and the end point of a transition curve of the Cartesian space and the coordinates of the start point of the transition curve of the joint space; calculating the unit vector of the velocity direction of the start point and the end point of the transition curve of the Cartesian space; calculating the coordinates of a middle control point of the transition curve of the Cartesian space and solving a constructor function of a Bezier spline curve; finally performing velocity planning and interpolation. By adopting the method disclosed by the invention, transition radius and maximum transition error constraints are realized during transition between a point-to-point motion command and a linear motion command, and the corner transition between the point-to-point command and the linear motion command is implemented with high efficiency and high quality.

A longitudinal measurement method for a blisk complex curved surface blade is characterized by comprising the following steps that firstly, a complex curved surface CAD three-dimensional model is built according to blade profile theoretical section contour data; secondly, longitudinal detection lines are extracted from the leading edge, the trailing edge, the basin and the back of the blade, a three-coordinate measuring machine is adopted for detecting a real object of the blade in a longitudinal detection mode, and data processing is further conducted on a sampling point; finally, processed sampled data are input into the CAD three-dimensional model to be compared and analyzed, and a comprehensive and real blade profile data set is obtained. The longitudinal measurement method for the blisk complex curved surface blade has the advantages that measurement path planning is simple; the real state of a blade profile can be reflected comprehensively; a short probe can be selected, and therefore measurement efficiency can be improved while detection precision is improved.

The invention discloses a multiple access control method in development grouping system. The scheme is as follows: when receiving a multiple access request of a user device, multiple access control node determines whether the user device is a multiple access subscriber and returns a message for requiring or rejecting multiple access to the user device. The invention also discloses a multiple access control device in development grouping system. The device comprises multiple access control node which is used to determine whether the user device is the multiple access subscriber when receiving the multiple access request of the user device and returns the message for requiring or rejecting multiple access to the user device. The invention further discloses a multiple access indicating method in the development grouping system. The method comprises the step that when the user device is determined to perform multiple access network access, a message with multiple access indication is generated and sent to the network side. The invention can better support the multiple access request service and change little to the existing EPS system.

A method for process controlling of plants and plant control systems in an OPC UA based Machine-to-Machine (M2M) network is provided. A plant associated with the plant control system a plurality of interlocked elements of one or more operational units of the plant. The operation of an operational unit is controlled by the plant control system using the elements interlocked to the plant control system. The plant control system is accessible by an independent process control system in the Machine-to-Machine (M2M) network via one or more network interfaces, and wherein messages containing signaling data and steering commands are transmitted between the process control system and the plant control system.

An optical apparatus includes an optical modulation means having a pair of electrodes, and a photoconductor layer and an optical modulation substance layer disposed between the electrodes, a signal light source for supplying light data carrying gradation data to the photoconductor layer, and a readout light illuminator for supplying readout light for reading out picture data to the optical modulation substance layer. The readout light illuminator is driven so as to supply readout light having a planar light intensity distribution providing a constant product of a gradation period and a readout light intensity at each readout site of the optical modulation substance, or so as to scan the photoconductor layer with the light data frame by frame in mutually different scanning directions in succeeding frames.

Using Brillouin reflectance technique in optical time domain adopted in the invention picks up strain information carried by Brillouin frequency drift caused by change of position information and temperature change carried in power of reflected light. Using method of combining absolute positioning with relative positioning makes successive approximation till exact location is determined finally. Comparing with prior art, the invention has features of omitting tedious calculation and additional data log, shortening time for finding out fault point of optical cable line so as to save cost. The method is general suitable method for positioning fault point applicable to optical cable line in position fixing direct burying type, aerial cable or duct optical cable.