92 results about "Real time processor" patented technology

The invention discloses a cucumber picking robot system in a greenhouse environment. The robot system comprises a binocular stereo vision system, a mechanical arm device and a robot mobile platform; the binocular stereo vision system is used for acquiring cucumber images, processing the images in real time and acquiring the position information of the acquired targets; the mechanical arm device is used for capturing and separating the acquired targets according to the position information of the acquired targets; and the robot mobile platform is used for independently moving in the greenhouse environment; wherein, the binocular stereo vision system comprises two black and white cameras, a dual-channel vision real-time processor, a lighting device and an optical filtering device; the mechanical arm device comprises an actuator, a motion control card and a joint actuator; and the robot mobile platform comprises a running mechanism, a motor actuator, a tripod head camera, a processor and a motion controller. The invention also discloses a cucumber picking method in the greenhouse environment. The method of combining machine vision and agricultural machinery is adopted to construct the cucumber picking robot system which is suitable for the greenhouse environment, thus realizing automatic robot navigation and automatic cucumber reaping, and reducing the human labor intensity.

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.

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.

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.

The invention provides an NI-PXI-platform-based hardware-in-the-loop test device for a complete vehicle controller of a pure electric vehicle. The hardware-in-the-loop test device comprises a pure electric vehicle complete vehicle controller VCU, an NI real-time processor, an NI board card, a fault injection system, and a PC machine. To be specific, the NI real-time processor is used for operatinga simulation model to simulate the running state of a controlled object; the NI board card is used for simulating the input and output; connection with a tested VCU is realized through an I / O interface; with Veristand software, the model interface is associated with the board card resources to form one set of real-time simulation systems; and a VCU system control strategy is detected on the PC machine. According to the invention, the control strategy of the complete vehicle controller is verified and tested; and the development cycle of the complete vehicle controller is shortened. The hardware-in-the-loop test device has advantages of high flexibility and strong expandability. The user is able to carry out function expansion based on the equipment according to actual usage demands; and testing of other transformation controllers is realized after simple configuration of the hardware and the model.

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.

Processor overhead is reduced and processor performance, particularly processing speed and power savings, is improved, allowing real-time processor restarts, by skipping operational codes (opcodes) singly or in groups in accordance with one or more execution bits set during post-processing in opcodes preceding opcodes to be skipped. Thus portions of an application program which consume excessive power or are unsupported in particular operating environments can be easily and selectively de-activate while maintaining the integrity of the applications program. Local or cache memory is also effectively expanded and processor performance improved by eliminating opcodes from local or cache memory which will not be called.

The invention discloses a simulation task parallel scheduling method based on a progress. The simulation task parallel scheduling method comprises the following steps: for an architecture of multiple processor plug-ins of an embedded device, starting a simulation management progress in a PC to be used as a main progress, and creating a plurality of sub-progresses by virtue of the main progress to virtualize the real-time processor plug-ins; creating a scheduling and data share memory by virtue of the main progress, after the sub-progresses are initialized, starting a single period simulation starting mark by virtue of the main progress, reading the simulation starting mark of the scheduling share memory by virtue of each sub-progress, starting a task operation, setting a sub-progress task operation ending mark after the task is ended, and then entering a waiting state; and after the ending marks of all sub-progresses are collected by virtue of the main progress, issuing a next period starting mark, circularly processing until the set upper limit of the simulation operation times is reached, and exiting the progress.

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.

A real-time processor includes a clock register updating a time at a predetermined interval, a time register storing an arbitrary time, a time comparator comparing the time in the clock register with the time stored in the time register, and an instruction processing unit executing an instruction whose execution status is altered according to the comparison result of the time comparator. A predetermined operation can be carried out correctly at a predetermined time since the instruction processing unit executes an instruction whose execution status is altered according to the comparison result of the time comparator.

Provides methods, systems and apparatus for generating alerts for a system process that obtains raw channel data over time from one or more monitored channel of the system process. An example method includes processing the raw channel data to form time dependent signals based one or more user specified processing rules. The method produces alerts based on the deviation in behavior in one or more channels, where the deviation is quantified by a numeric level computed by comparing signals for varying time intervals with historically normal baseline signals. The method may include filtering the alerts to selectively form reportable alerts that are presented to the user based on user specified filtering rules.

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.

A system for controlling the dimensions of an extrudate exiting an extruder and for compensating for the variations in the extrusion rate of the extruder, expansion rate and rate of travel of the extrudate through sizing devices by changing the speed of an extrudate puller device, includes an extruder which extrudes the extrudate; a conveyor system comprising rollers and a series of sizing devices; a puller device for pulling the extrudate through the sizing devices; and a laser proximity measuring device to assist the system in keeping the desired shape of the extrudate. The laser proximity measuring device includes at least one pair of optical non-contact displacement transducers, a real time processor, and an interactive touch screen display. The transducers emit a laser beam which provides a laser point on the side of the extrudate.

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.

The invention discloses a control system of a maglev train experimental platform based on a real-time simulation system. The control system comprises a real-time processor, a suspension sensor, a chopper and a management computer. The suspension sensor inputs a collected signal into the real-time processor; the real-time processor carries out conversion and computing on the signal and outputs a control signals to the chopper; the chopper carries out power amplification on the signal and adjusts the electromagnet current to control the electromagnet's suction; and the management computer carries out communication with the real-time processor via the Ethernet, carries out control scheme designing and compiling by using Simulink and DSPACE real-time simulation system software, downloads a code to the real-time controller, reads the data in the real-time processor, and analyses and reads the data. According to the invention, a convenient and rapid platform is provided for the optimizationand verification of the maglev train control scheme; the complicated suspension control algorithm code writing and the underlying hardware design are avoided; the control algorithm graphical design and automatic compilation are realized; and the algorithm has good readable and reliable performances.

The embodiment of the invention provides a heterogeneous multi-core processing system. The system comprises at least one real-time processor, at least one application processor and a general operationprocessor, wherein each real-time processor is connected with all the application processors and the general operation processor, the processing capacity of each real-time processor is smaller than that of the general operation processor, and the processing capacity of the general operation processor is smaller than that of each application processor; after the heterogeneous multi-core processingsystem is started, at least one real-time processor is always in an activated state; when the heterogeneous multi-core processing system is started, the at least one application processor and the universal operation processor enter a sleep state, and the at least one application processor and the general operation processor are awakened by the at least one real-time processor according to the data volume of the received or detected data, and the power consumption of the whole system can be reduced by controlling the sleep and awakening of the application processor and the general operation processor.

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.