92 results about "Real time processor" patented technology

A method and system for providing real-time display of data collected and submitted via mobile devices. An example method includes collecting data in a data record by the mobile device. The collected data record is submitted to a remote server. At least some of the data in the collected data record is displayed in real-time relative to the submission of the collected data record via an interface.

Provided is a method, system, and program for scheduling operations called by a task on a real-time or non-real-time processor. Execution durations are provided for operations. A call is received from a task for an operation. A determination is made of a latency requirement for a first processor and of the execution duration of the called operation. The called operation is executed on the first processor in response to determining that the determined execution duration is less than the latency requirement. The called operation is executed on a second processor in response to determining that the determined execution duration is greater than the latency requirement.

The invention discloses a dSPACE-based motor control hardware-in-the-loop automatic test system and method. The system includes a to-be-tested object motor controller, a hardware-in-the-loop simulation platform and an automatic test system platform; the hardware-in-loop simulation platform includes a real-time processor, an IO board card, test management software, and the like, wherein the real-time processor is connected with the to-be-tested motor controller through the IO board card and operates a virtual motor model to simulate the operating state of a motor; and the automatic test platform includes a keyword driving module, a test case editing module, a Robot Framework automatic test framework, a test execution module, and a test report output module. With the dSPACE-based motor control hardware-in-the-loop automatic test system and method of the invention adopted, the logic function of the to-be-tested motor controller can be tested automatically; the strategy response of fault injection can be verified; the startup of the automatic test system can be controlled through command line statements; a test report can be automatically generated; automatic testing can be realized ina real sense; and a sound test process of an enterprise can be established. The automatic test system can be conveniently integrated with an existing open-source Jenkins regression test system.

This invention provides a low power real-time task scheduling method oriented embedded system for modeling, solution and optimization of real-time task scheduling for low power. It achieves low power consumption by using the technology and Real-time dynamic FM_PM Web tablet model, real-time scheduling. It ensures a real-time function based on the Real-time tasks in the model with a real-time restrict. Meanwhile, the program use of dynamic FM_PM operating systems, real-time processor to adjust to state Energy-saving way to achieve the objective during the process of implementing the mandate.

This invention discloses one industry spot device process data collection method, which comprises the following steps: firstly for supportive OPC agreement of PLC device collecting terminal in Multilink, OPCServer, telegram and data points; through XCOM communication data, setting communication terminal, message and channels information; transferring MiltiLink or XCOM for API read interface, writing and reading messages; analyzing the message into single data point through message on its form; storing the pre-defined database structure onto historical database and sending the analysis real time data into real time processor end for process and analysis.

A radio-frequency (RF) transmitter power amplifier circuit provides for practically linear performance by predistorting the amplifier input signals to compensate for amplifier distortion at high power levels, and provides a fine degree of control of amplifier power needed to handle complex modulation schemes with widely and rapidly varying power requirements. A predistortion database (20) contains gain and phase corrections for various transmission types and a separate automatic gain control database (38) contains fine amplifier gain corrections. A real-time processor (26) combines the two types of corrections and applies them to the amplifier input signals, and a background processor (16) continually updates both databases in accordance with a programmable priority scheme. Integration of predistortion and amplifier power control is achieved in a manner that minimizes adverse effects of one type of control on the other. One feature of the invention provides for rapid convergence of the predistortion correction.

A real-time processor for a data processing system includes a continuous clock counter, an instruction parser parsing instructions based upon whether they a clock command or no timing specific instruction, a clock comparator only operating upon instructions including a clock command and an execution mechanism for executing a series of instructions in a timely manner based upon absolute timing of the clock counter such that events may be scheduled from the beginning of a sequence.

A real time processor system comprises: a bus arbiter; a plurality of calculating units, each having a processor and an interruption processing unit; a DMA controller; a plurality of priority registers; a memory; and an SCI. The bus arbiter comprises: a priority comparing unit; and a bus assignment unit. Each of the plurality of priority registers stores an I/O access priority value corresponding to each of the calculating units. Priority values are compared, and then right of I/O use is determined. The values of the plurality of priority registers are changed, thereby adaptively performing multiple interruption processing.

The present invention belongs to the automation test field, relates to the automation test technology aiming at aircraft airborne embedded software, and relates to a construction method of a script-based embedded software simulation and test integrated platform. Implementation of the construction method is based on configuration of a real-time processor and a main control computer. In the main control computer, test cases and simulation models are described by using test scripts, anomaly detection is also carried out, and the scripts which are tested to be correct are sent down to the real-time processor. In the real-time processor, simulation of external crosslinking devices and a test device of a to-be-tested device is implemented on basis of the scripts. The external crosslinking devices are simulated by the simulation model scripts, and the test device is simulated by the test case scripts. The simulation model scripts and the test case scripts are parsed by a real-time script interpreter, all simulation and test tasks are added to a task register and scheduling module, and finally interaction with the to-be-tested device is implemented through a bus driving module.

The invention provides an automatic modeling and hardware in-the-loop simulation method of a contactor. The three parts of intelligent control, the data collection and the hardware in-the-loop simulation of the contactor are merged; a data collection system can collect various dynamic parameters in the operation process of the contactor; then, the parameters are introduced into a neural network for building a neural network model of the contactor; the real-time displacement of a movable iron core of the contactor can be calculated only through collecting the coil voltage and the coil current; the effects of a permanent magnet can be automatically counted in the neural network training process. A simple and universal training method is provided for the displacement calculation of the contactor; the application of a displacement closed loop control technology is promoted; finally, the displacement closed ring is combined, various intelligent control strategies of the contactor are compiled in a host machine; the control strategies and an ANN model are downloaded into a real-time processor to perform hardware in-the-loop simulation; the effectiveness of the ANN model and the intelligent control strategies is verified; the development of the intelligent contactor is convenient.

The invention discloses a hardware-in-the-loop test system for a whole vehicle controller of a four-wheel distributed drive electric bus. The system comprises a hardware-in-the-loop test system hardware platform, a vehicle simulation test model, a battery module, a motor module and a driver module. The hardware-in-loop test system hardware platform comprises a vehicle control unit, an upper computer, a real-time processor, an analog input/output board card, a CAN communication board card, a fault injection module, a signal conditioning module and a programmable power supply. The upper computer, the driver module, the vehicle control unit, the battery module, the motor module and the vehicle simulation test model form a closed-loop test system. Development and testing of the vehicle controlsystem are realized, software and hardware systems are tested and verified at the same time, the development cost is reduced, the development time is saved, the safety risk of real vehicle testing isreduced, and the method has the advantages of safety, rapidness, high efficiency and the like.

An active noise reduction system and method to cancel fan or blower noise. The system utilizes 2 microphones: one to pick up the subject noise and the noisy signal at far field. The proposed system utilizes a portable loudspeaker that is placed near the subject. The loudspeaker broadcasts omni-directional or directional anti-phase signals to reduce the noise at far field. The system includes a real-time processor (DSP or FPGA) with fast adaptive filter to process the 2 microphone signals and generate the anti-phase signal. The adaptive filter uses the second microphone as a reference to generate an out-of-phase signal, which can then suppress the far field noise. The system is simple to set up and portable. The system utilizes frequency-domain adaptive filter and proven algorithms to quickly compute the anti-phase signals for cancelling detected noise.

The invention discloses a test simulator of an automotive electronic controller and aims to solve the problem of resource waste in function and performance when a current general high-performance hardware-in-loop system is applied to the automotive electronic controller. The test simulator of the automotive electronic controller is composed of a server and a CompactRIO real-time control system, wherein the server is connected with the CompactRIO real-time control system through an Ethernet line; the CompactRIO real-time control system is composed of a CompactRIO integration system and a CompactRIO I/O (Input/Output) module; the CompactRIO integration system integrates a real-time processor and a reconfigurable FPGA (Field Programmable Gate Array) cabinet and is connected with the CompactRIO I/O module through a serial interface; the tested electronic controller is connected with the CompactRIO I/O module through a VCU (Vehicle Control Unit) hardware interface; a real-time controller transfers data to the server through TCP/IP (Transmission Control Protocol/Internet Protocol), and the server transfers the data to the real-time controller through a network sharing variable; the real-time controller communicates with the FPGA cabinet through an FPGA interface; communication between the FPGA cabinet and the tested automotive electronic controller is completed through data transmission based on a CAN (Controller Area Network) bus communication protocol and input/output of an analog-to-digital signal.

Disclosed is an information processing apparatus in which various kinds of information are processed in either the real time processing mode or the non-real time processing mode. The apparatus includes an operation display section to accept an inputted instruction, an image processing section to apply a processing to image information and a processor provided with a plurality of same cores. The real-time processing unnecessary process that is related to the operation display section, is fixed onto one of the plurality of same cores so that the one of the plurality of same cores is in charge of controlling the real-time processing unnecessary process, while, the real-time processing necessary process that is related to the image processing section, is fixed onto another one of the plurality of same cores so that the other one of the plurality of same cores is in charge of controlling the real-time processing necessary process.

This invention discloses a multi-channel active controller, which comprises an error signal conditioner, a digital signal processor, a filter, a control signal driver and reference signal conditioner. Wherein, the signal from error sensor located outside the multi-channel active controller sequentially passes error signal conditioner, digital signal processor, filter and control signal driver; outer reference signal via reference signal condition is input to digital signal processor consisting of a plurality of A/D converters, real-time processor chips, and background factor updating data processor chips. The invention is operated simply, can maintain reality of time and use the controller traceability.

The embodiment of the invention discloses a test system and method. The system includes an upper computer and a simulation platform. The simulation platform comprises a real-time processor and a control module cluster. The control module cluster comprises a self-adaptive cruise control module and other control modules. The upper computer generates test information and sends the test information tothe other control modules through the real-time processor. The self-adaptive cruise control module acquires relative information between a simulation vehicle and a traffic vehicle, performs self-adaptive cruise control on the simulation vehicle according to the relative information, and sends a self-adaptive cruise control signal to the upper computer, so that the upper computer evaluates the self-adaptive cruise control module and the coordination of the self-adaptive cruise control module and the other control modules. Compared with the prior art, according to the scheme, comprehensive andautomatic testing is carried out on the self-adaptive cruise control module and the coordination of the self-adaptive cruise control module and the other control modules, and the testing accuracy andcomprehensiveness are improved.

Systems and methods are disclosed for a filter-less coherent receiving system with a filter-less coherent receiver frontend; a signal-signal beat-noise detector coupled to the filter-less coherent receiver frontend; and a real-time processor coupled to the filter-less coherent receiver frontend and the signal-signal beat-noise detector to reject signal-signal interference.

A two-stage filter achieving method of high-speed data extraction of a synthetic aperture radar comprises setting the order of a filter according to imaging parameter requirements of the synthetic aperture radar, processing time of a real-time processor and requirements of data volume, selecting an appropriate filter according to the set order, pre-filtering receiving signals after sampling, extracting the data after pre-filtering, performing high-performance filtering on the data after extraction, and compressing the distance. By means of the two-stage filter achieving method of the high-speed data extraction of the synthetic aperture radar, the data volume and the processing time can be reduced by reducing the order of the filter. In addition, flexibility and convenience of a system can be greatly improved by utilizing a digital filter to replace a simulation filter.

The invention discloses a signal test simulation device for a testing sensor. The device is connected in series between a sensor and a fly control computer, and comprises an upper computer, a real-time processor, a first ADC (analogue-digital converter), a first DAC (digital-analogue converter), a second ADC and a second DAC, wherein an excitation signal from the fly control computer is transferred to the sensor through the first ADC, the real-time processor and the first DAC in turn; a feedback signal of the sensor is transferred to the fly control computer through the second ADC, the real-time processor and the second DAC in turn; and the feedback signal of the sensor is transferred to the upper computer through the second ADC and the real-time processor in turn. By adopting the device, the complexity of the test device can be reduced, the introduction of error signals can be reduced as much as possible, and the test accuracy is improved; and moreover, the sensor original voltage signal acquired by the device can be conveniently subjected to data playback through a signal simulation function so as to ensure the primitiveness and consistency of the test data to the greatest degree.