1139results about How to "Short development cycle" patented technology

The invention relates to a method and apparatus for training a multilingual speech model set. The multilingual speech model set generated is suitable for use by a speech recognition system for recognizing spoken utterances for at least two different languages. The invention allows using a single speech recognition unit with a single speech model set to perform speech recognition on utterances from two or more languages. The method and apparatus make use of a group of a group of acoustic sub-word units comprised of a first subgroup of acoustic sub-word units associated to a first language and a second subgroup of acoustic sub-word units associated to a second language where the first subgroup and the second subgroup share at least one common acoustic sub-word unit. The method and apparatus also make use of a plurality of letter to acoustic sub-word unit rules sets, each letter to acoustic sub-word unit rules set being associated to a different language. A set of untrained speech models is trained on the basis of a training set comprising speech tokens and their associated labels in combination with the group of acoustic sub-word units and the plurality of letter to acoustic sub-word unit rules sets. The invention also provides a computer readable storage medium comprising a program element for implementing the method for training a multilingual speech model set.

The invention provides an automotive anti-collision radar system with two receiving antennas and an operating method. The automotive anti-collision radar system is provided with the two independent receiving antennas and an independent transmitting antenna, wherein the two independent receiving antennas and the independent transmitting antenna are connected into a radio-frequency signal processing module respectively. A central control processing part comprises a PS module and a PL module, wherein the PS module comprises a system submodule, a data processing submodule and a clock submodule, and the PL module comprises a modulating signal generation submodule, an algorithm submodule, a phase-locked loop submodule and a control submodule. An output device comprises a displayer, an alarm device and an emergency braking device. The operating method includes the steps of transmitting modulation triangular waves, allowing the two receiving antennas to collect real echo signals and virtual echo signals respectively, calculating distance information, speed information and azimuth information of targets through a MUSIC algorithm and target pairing, transmitting results to the PS module for synchronous display and directly controlling the alarm device and the braking device. Through the automotive anti-collision radar system with the two receiving antennas and the operating method, target azimuth can be obtained, the multi-target judging ability is improved, the computing speed is high, cost is low, reliability is high, and the automotive anti-collision radar system is simplified in structure, convenient to maintain, easy to upgrade and capable of reducing cost.

The invention relates the spacing robot arm joint. The invention aims to the problem of bad safe reliability of spacing mechanical arm joint and complicated structure. The wave generating machine (1-3-1) is fixed in direct current brushless motor, soft wheel (1-3-3) is installed on wave generating machine (1-3-1), hand wheel (1-3-2) is installed on soft wheel (1-3-3), bearing inner ring seat (1-5) is installed on hand wheel (1-3-2), hand wheel (1-3-2) is connected with direct current brushless motor, soft wheel (1-3-3) is connected with torque pick-up (1-1), address sensor is installed between torque pick-up (1-1) and bearing inner ring seat (1-5), torque pick-up (1-1) is connected with bearing out ring seat (1-6), bearing (1-4) is installed between bearing out ring seat (1-6) and bearing inner ring seat (1-5), magnetic code device (2-2) is installed on direct current brushless motor, sleeve (3) is installed in direct current brushless motor, and drive board (2-3), control board (2-4), power board (2-5) and interface board (2-6) are connected with each other by frame, direct current brushless motor and compression ring (2-10). The invention possesses the high intelligentize degree and integration degree.

The embodiments of the invention disclose a convolution acceleration method, a convolution calculation processing method, a convolution acceleration device, a convolution calculation processing device, an electronic apparatus and a storage medium. The acceleration method includes the following steps that: the to-be-processed data of a preset size in a to-be-processed task are sequentially read from the off-chip memory of an accelerator through an FIFO (first-input-first-output) port, and are stored in the input cache regions of a first cache region in the on-chip memory of the accelerator; to-be-processed input window data are sequentially read from the input cache regions in response to a condition that the to-be-processed data are stored into the input cache regions, and convolution calculation is performed on the to-be-processed input window data through convolution kernel data, so that output window data are obtained and are stored in a third cache region; and output window data inthe third cache region are sequentially stored to the off-chip memory through the FIFO port. With the methods, devices, electronic apparatus and storage medium provided by the embodiments of the invention adopted, a condition that the on-chip memory and bandwidth of the accelerator are insufficient and a condition that processor resources are limited can be avoided, and the efficiency of convolution calculation processing is improved. The methods and devices can be applied to hardware platforms such as an FPGA and an ASIC.

The invention discloses an application program debugging method under an embedded multi-core environment, and belongs to application program debugging methods. The application program debugging method solves the problems that an existing debugging method cannot be independent from an operation system, is not applicable to debugging when more than two cores exist and is not comprehensive enough in function. The application program debugging method under the embedded multi-core environment comprises the steps of remote connection establishing, debugging instruction sending, debugging instruction analyzing, thread core binding, breakpoint inserting, breakpoint inquiring, breakpoint deleting, single-step executing, continuous execution, execution until ending, variable checking, thread operation core checking, core operation thread obtaining and thread operation time counting. The application program debugging method under the embedded multi-core environment can be independent from the operation system and an embedded development tool to conduct debugging on application programs and is comprehensive in debugging function, a debugger at the end of a host machine can know about the basic conditions of application program running and more accurately locate various abnormal conditions of application program running, and the application program debugging efficiency is improved.

This invention is about a method to realize the visible digital-city system, by the interaction of the collective diagram and article information on the hypothesized and simulated street, commercial, work place and family. The problem about the application of the visible intelligence in city can be resolved by it effectively. We can establish editable diagram and article information data on the basal space accord it, by using 'the information gathering module'. And we also can realize the three dimensional hypothesized and simulated image data accord it by using the main center system for the interactive control of the diagram and article information. We can realize the visible city function on the interaction of collective diagram and article information of the hypothesized and simulated street, commercial, work place and family and the operation for the synchronous experience of about the hypothesized and simulated Window-shops, consumption, work management, visits friends and relatives as well as the interaction of the demand, can be provided to us by it. It is direct-viewing, quick, convenient and time-saving. The development cycle of the invention is short and the cost is low, it is easy to promote the application of it, and the economy and social benefit of it are huge.

The invention relates to a bicycling simulation system which comprises a front wheel supporting frame, a rear wheel supporting frame, a bicycle, a damper, an angle sensor and a speed sensor. The damper is installed on the rear wheel supporting frame, the outputs of the angle sensor and the speed sensor are transferred to a control unit and the angle sensor and the speed sensor are connected with an upper computer, and the upper computer is connected with a display and a sounder to show the test results which is accompanied by sound; meanwhile, the upper computer outputs the parameters of topography, roadway and the scenery along the way to a program control device to adjust the damper. Eventually, the three-dimensional roaming scene is shown by the display or by a projection screen with certain sound effect. The simulation system is suitable for people who have great interest in sports, fitness and recreation.

The invention discloses a method for designing and optimizing cast-rolling process parameters of copper alloy tubing, using database as design basic, using nerve network as design method of process parameters and indexes, and using genetic algorithm as process parameter optimizing means, integrating nerve network, genetic algorithm, finite element simulation, experiment design, CAD parameterized design and database technique into the process design and parameter optimization, designing and optimizing the cast-rolling process parameters of the copper alloy tubing. And the invention has high automation degree, and can be applied to machining deformation of copper alloy tubing, and make personnel short of special knowledge able to make accurate and standard machining process.

A generator transformer unit faults recorder analysis device belonging to the field of power system faults recorder devices consists of a storage station and a monitoring station and adopts a master-slave hierarchical network structure, wherein the storage station adopts a server computer and the monitoring station consists of a signal transducer unit, an intelligent collecting-analyzing unit, a GPS unit, an industrial computer unit and a power-supply unit, wherein the signal transducer unit is connected with the intelligent collecting-analyzing unit; the intelligent collecting-analyzing unit comprises a data collecting card, an FPGA module and a real-time embedded controller and is respectively connected with the industrial computer unit and the server computer of the storage station; the GPS unit is connected with the real-time embedded controller of the intelligent collecting-analyzing unit; and the power-supply unit is respectively connected with the intelligent collecting-analyzing unit and the industrial computer unit. Established on the basis of the components, a related system reinforces reliability, enhances real-time property and lowers complexity and cost thereof.

A low-power digital audio decoding and playing system and method for computing devices provides a low-cost, low power-consumption, long-battery-life audio playing and decoding system, which may be used to play compressed audio files of various formats. In one aspect, a computer system adapted to play audio files comprises a system CPU, memory, at least one drive comprising compressed audio data, and an audio controller coupled to the system CPU, memory and drive. The audio controller is adapted to cause the drive to read the compressed audio data from the drive, to cause the system CPU to decompress the compressed audio data from the drive into decompressed audio data, to cause the decompressed audio to be stored in the memory, and to cause the decompressed audio data to be retrieved from the memory for playing.

The invention discloses a robust controller of a permanent magnet synchronous motor based on a fuzzy-neural network generalized inverse and a construction method thereof. The construction method of the invention comprises the following steps of: combining an internal model controller and a fuzzy-neural network generalized inverse to form a compound controlled object; serially connecting two linear transfer functions and one integrator with the fuzzy-neural network with determined parameters and weight coefficients to form the fuzzy-neural network generalized inverse, serially connecting the fuzzy-neural network generalized inverse and the compound controlled object to form a generalized pseudo-linear system, linearizing a PMSM (permanent magnet synchronous motor), and decoupling and equalizing the linearized PMSM into a second-order speed pseudo-linear subsystem and a first-order current pseudo-linear subsystem; and respectively introducing an internal-model control method in the two pseudo-linear subsystems to construct the internal model controller. The robust controller of the invention has the advantages of overcoming the dependence and local convergence of the optimal gradient method on initial values and solving the problems of randomness and probability caused by using the simple genetic algorithm, obtaining the high performance control, anti-disturbance performance and adaptability of the motor and simplifying the control difficulty, along with simple structure and high system robustness.

The invention discloses a control method and system of an intelligent vehicle, and belongs to the technical field of automobile control. The system comprises a main control processing unit, an environment detecting unit, a whole-vehicle CAN network, a GPS-navigating unit, an vehicle state control unit and a driving execution unit, wherein the environment detecting unit is used for detecting the environment information of the vehicle; the whole-vehicle CAN network is used for offering the traveling state information of the vehicle to the main control processing unit; the GPS-navigating unit is used for confirming route information; the vehicle state control unit is used for controlling the driving execution unit so as to control the state of the vehicle; the main control processing unit is used for controlling the vehicle state through the vehicle state control unit according to the environment information, the traveling state information and the route information. The system disclosed by the invention solves the problems that the control system of the intelligent vehicle is lower in universality and higher in cost; the effects of improving the universality of the control system of the intelligent vehicle and reducing the cost are achieved, and the system is used for performing intelligent control on the vehicle.

In accordance with the teachings of the present invention, a method of generating an application specific parser is presented. In one embodiment, the method is implemented in a software generation tool. The software generation tool receives a specification that includes an XML schema and semantic actions. The software generation tool then performs the methods of the instant application to automatically produce an application-specific parser.

The present invention relates to an output characteristic control method of welding machine. Said method includes the following steps: 1. preselecting correspondent welding method and presetting correspondent parameter; 2. judging that the welding operation is started or not; 3. electric arc is ignited or not; 4. judging that the welding proces is stable or not, namely, is identical to the preset parameter or not, and according to the concrete welding process adaptatively regulating welding machine output to obtain required output characteristics; and 5. judging state of welding gun with and combining welding mode, judging that the arc is blown out or not, otherwise, repeating step 4 to step 5.

The invention discloses a short internal measurement circuit which is realized in a Xilinx FPGA element and comprises N (for example N=100) D triggers, two delay chains consisting of special programmable input and output delay units (IODELAY), a short interval stop signal and a short interval stop signal. The invention also provides a short interval measurement method which comprises the step of: regulating delay tap values of the two IODELAY chains in the short interval measurement circuit to ensure that all delay units of the two delay chains have uniform delay and stable delay differences. Because the IODELAY chain structure is adopted in the invention, the interval measurement with higher accuracy can be realized. The invention has the advantages of simple structure, cost saving and short development cost, and is convenient to update and upgrade.

The present invention is safe centralized electronic stamping management and submitted stamping method, and relates to information technology. The present invention provides centralized stamping server in OA system for remote centralized stamping service and stamp management. The user side provides control for local document verification and the archived document verification and communicates via special interface with the role authority distribution in the OA system, so that the management of electronic stamps is integrated to the role authority management in the OA system to realize the centralized electronic stamping management and submitted stamping. The present invention has high safety, simple structure, flexible mode and easy integration.

The invention discloses a method and a system for eliminating frequency resonance for a frequency conversion air conditioner. A velocity sensor and a vibration sensor are used for obtaining the vibration state of the air-conditioning system, and the vibration state of the air-conditioning system is adjusted, since the vibration is detected continuously, the whole air conditioner always works in a closed-loop system, and the air conditioner is always optimized intelligently; with the technology, development cycle of a cooling system and an electric control system is shortened, product development cycle is reduced, and development cost is saved.

The invention discloses a vehicular visible light wireless digital voice communication system. The vehicular visible light wireless digital voice communication system comprises a sending module and a receiving module. The sending module comprises a digital audio acquisition unit, an RS coding unit, a PWM (pulse width modulation) unit, an LED (light emitting diode) drive unit and an LED transmitting unit, which are connected successively in circuit; the receiving module comprises a PIN photoelectric detection unit, a signal extraction unit, a PWM modulation unit, an RS decoding unit and a digital audio output unit, which are connected successively in circuit. The wireless digital voice communication system realizes instant voice communication between strange vehicles; an LED-based lamp is integrated with automobile lighting and communication without the need of an additional signal emission source installation space and occupation of scarce frequency spectrum resource. The voice signal transmission is high-speed and reliable, high in integration level, strong in anti-interference ability and low in cost, and bigger communication distance and more reliable communication are realized; moreover, a detector has high accuracy, high responsivity, low dark current, higher communication rate, stronger anti-interference ability and high reliability of a transmission channel.

The invention discloses a service-configurable comprehensive resource monitoring managing system and method. The service-configurable comprehensive resource monitoring managing system comprises a resource modeling description layer, a resource managing capability service layer and a protocol stack service layer, wherein the resource modeling description layer is used for providing modeling capability for a managed resource, establishing a required managed object model by an imaging interface and giving the required management capability such as attribute and the like for managing the model; the resource managing capability service layer is used for executing service support on the description of the resource and realizing the managing capability of the resource in a service-configurable manner; and the protocol stack service layer is mainly used for adapting between an upper layer managing service and a bottom specific communication protocol so that different protocol stacks correspond to different communication protocols. The whole protocol stack service layer provides a set of uniform service interfaces for an upper layer service component, constructs a protocol stack mode in the service-configurable manner and ensures that that the upper layer service logic can be seamlessly switched to different protocols through configuration. Due to the adoption of the service-configurable comprehensive resource monitoring managing system and method disclosed by the invention, a complete customable and personalized resource modeling managing function can be realized.

The invention provides a self-excitation drive and demodulation device for a microelectron-mechanical gyro (MEMS GYRO), which is a system that can be used for realizing the self-excitation drive and angular velocity demodulation of the microelectron-mechanical gyro. The device mainly comprises an input signal interface circuit, a singlechip chip, an upper computer communication module, an angular velocity display module and an automatic gain feedback module. A loop acquires vibration displacement voltage signals of a drive mass block and a detection mass block of the microelectron-mechanical gyro by the input signal interface circuit; the singlechip chip extracts and generates a gain control signal respectively by amplitude and an automatic gain control algorithm, and transmits the gain control signal to an automatic gain control system; the automatic gain control system generates a variable voltage according to the gain control signal and a drive displacement signal transmitted by the input signal interface circuit, feedbacks the variable voltage to a drive end of the gyro so as to realize the adjustment on a driving signal of the gyro, and calculates the input angular velocity inside the singlechip simultaneously. The device realizes the integrated design of the self-excitation drive and angular velocity demodulation of the microelectron-mechanical gyro, reduces the volume and weight of the microelectron-mechanical gyro, and reduces the power consumption.

The invention discloses a 1553B bus monitoring and data analysis system. The 1553B bus monitoring and data analysis system comprises a board card interface module, a thread scheduling module and a man-machine interaction interface module. The board card interface module comprises a board card initialization module, a starting/stopping receiving control module, an interrupt processing module, a data acquisition module and a failure recording module. The thread scheduling module is provided with a data monitoring storage thread, a data analysis thread, a data display thread and a message loop main thread. The man-machine interaction interface module is provided with a user authentication and management module, a monitoring mode setting module, a monitoring starting and stopping setting module, a data conversion setting module, a conversion starting and stopping setting module, a data memory module and a data list display module. According to the 1553B bus monitoring and data analysis system, a thread dynamic scheduling algorithm is adopted, comprehensive monitoring of bus data and real-time storage, display and analysis conversion of MT monitoring data can be achieved, and display of bus monitoring information stored in a specific format and conversion processing of stored data can also be achieved.