103results about How to "Flexible commissioning" patented technology

The invention relates to a magnetic suspension flywheel direct-current non-brush motor controlling system, wherein it comprises FPGA system, direct-current detecting feedback module, positioning sensor interface circuit, and power module; the FPGA module obtains request rotation speed from super machine, via sensor interface circuit and feedback module to obtain position signal and current signal, and the control algorism of FPGA, to calculate out the control value, and process reduction chopper PWM modulation, and amplify via amplifying module to generate the needed control current, and realize control accurately. The invention has low power consumption and high reliability.

The invention provides a method for controlling axial direction of a high-precision magnetic bearing based on an interference observer. The method consists of a controller and the interference observer, wherein the interference observer comprises a Q filter and a rationalization generalized object inverse QGn part; the controller in a control system calculates according to displacement deviation to obtain basic control quantity so as to form a position closed loop control system; an interference value obtained by observation of the interference observer is negatively fed back into the basic control quantity to compensate exterior interference; and the formed current control quantity drives power amplification to realize high precision suspension of the magnetic bearing. The method leads differences caused by both exterior interference and objective parameter variation to be equivalent to a control input end, and introduces equivalent compensation into the control quantity to realize interference inhabitation. The method can carry out online observation and effective inhabitation against exterior interference which is not modeled or known, thereby improving control precision of suspension, and contributing to stability of the system.

An integrated magnetic suspension flywheel magnetic bearing digital control device includes an interface circuit, an A / D conversion chip, a FPGA module and a DSP module. The device obtains data of the magnetic bearing rotor displacement signals, circuit of the coil and rotating velocity, the DSP module generates a control volume in terms of a control algorithm and delivers it to the FPGA, which carries out PWM modulation based on the control volume and current signals to transfer its signal to a full-bridge energy conversion circuit to generate control current needed by the magnetic bearing coils to realize the active control to magnetic suspension flywheel magnetic bearing system.

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.

In use for initiative controlling magnetic bearing, the disclosed device includes interface circuit, DSP system, and power module. Through interface circuit, DSP obtains data including displacement signal of rotor of magnetic bearing, coil current, signal of rotate speed etc. According algorithm, calculation is carried out for creating controlling quantities. After PWM modulation, the modulated PWM signal of controlling quantities passed through pulse protection dirve circuit is transferred to full bridge type transduction circuit composed of power devices. The full bridge type transduction circuit generates control current needed for winding of magnetic bearing so as to realize initiative controlling magnetic bearing. The invention realizes integration design for digital controller and digital power amplifier of magnetic bearing. Thus, integrity of controller of magnetic bearing is raised greatly, size and weight are reduced, and power consumption of the controller is lowered.

A digital device for accurately controlling frame servo system of torque gyro is featured as obtaining current, rotary speed and position signal of frame servo motor by DSP system through interface circuit; carrying out operation as per certain control algorithm to generate out control amount to be PWM-modulated; transmitting modulated PWM signal to single-phase contra variant bridge circuit by driving circuit for generating control current required by frame servo motor so as to realize accurate control of frame servo system.

A monitor system of a whole car controller for CAN bus fuel battery vehicles includes three parts: an upper bit set, CAN card and its bus and a lower bit set, in which, the PCMCIM interface of the upper bit set is connected with CAN interface of the lower bit set via the CAN card and CAN bus, the upper bit set sends request words and control parameter address to calibrate the parameters of the controller on line, the lower bit set whole car controller realizes on-line program of CAN bus communication by imaging the executing code, realizing site monitor and management for high rate of data transmission by CAN bus technology and Matlab software platform.

The invention discloses a micro PNT system based on GNSS, chip atomic clock and micro inertial navigation. The system is based on DSP, FPGA, chip atomic clock and micro inertial navigation, and comprises a radio frequency front-end processing module, a baseband signal digital processing module, a micro inertial navigation module, a chip atomic clock module and a data processing module, wherein the radio frequency front-end processing module is used for performing amplification, frequency conversion, filtering and analog-digital conversion on satellite signals to obtain digital intermediate frequency signals; the baseband signal digital processing module processes the digital intermediate frequency signals to obtain navigation measuring values and navigation messages; the micro inertial navigation module performs calculation by a navigation algorithm to obtain navigation information; after being trained, the chip atomic clock module independently provides 1pps (pulse per second) for the data processing module to be used; the data processing module performs positioning calculation by using the navigation measuring values and the navigation messages, performs combined navigation by using satellite navigation data and inertial navigation data, and outputs position, speed, accelerated speed, posture and time information. The micro PNT system is applicable to high dynamic range, has small long-term drift and has the advantages of low cost, small size, low power consumption, light weight and plug and play effect.

The invention relates to a method for correcting a position error of a permanent magnet synchronous motor rotor based on linear hall, and belongs to a method for correcting the position of the permanent magnet synchronous motor rotor. Two linear hall output signals having the difference of a 90-degrees electrical angle therebetween are acquired, fundamental components in the original signals are extracted by use of a high-precision common-frequency extraction module, and the fundamental components are fed into a rotor position angle calculator to obtain rotor angle position information. The method is characterized in that harmonics of all orders included in the original linear hall output signals are filtered out and the angle error caused by the distortions of the output signals of a linear hall position sensor can be compensated; the method is simple in algorithm, free from hardware added, easy to implement, and good in instantaneity for position signal error compensation.

The invention discloses a welding process parameter optimization method and apparatus and a readable storage medium. According to the welding process parameter optimization method, the training is performed on a neural network model through a training sample, and a nonlinear mapping relation for predicting fusion depth data corresponding to an actual welding process parameter is obtained; the actual process parameter combination is continuously optimized and adjusted towards the direction of the target fusion depth data by utilizing the prediction capability of the trained neural network, so that the welding parameter adjustment process is simplified, and welding technicians can quickly adapt to high-quality process parameters according to the welding workpiece parameters; and by continuously adjusting the actual process parameter combination to be close to the process parameter combination corresponding to the target fusion depth data, the actual process parameters are finally optimized, the mechanical property of a weld joint is improved, the process parameters are flexibly debugged, the variable requirements of a welding scene are met, and the welding quality and efficiency aregreatly improved.

The present invention provide an high-precision on-line dynamic balance detecting device based on FPGA and the device can perform an high-precision on-line detecting to the rotor of unbalance. The device generates a reference pulse by the photoelectric sensor when the rotor passes the reference position, and the pulse generates phase locking signals and frequency doubling signals through the FPGA chip. The frequency doubling signals springs the AD chip controlled by the FPGA to perform a sampling. Then, FPGA generates a sampling end signal and DSP responses to said signal, and the sampling value is read through the corresponding address unit. Then the amplitude value and phase of the unbalance is calculated according to a certain control arithmetic after that the sampling data of the whole circle is read. The device performs sampling and processing of signals in four circuits (the upper end X, the upper end Y, the lower end X and the lower end Y), and the unbalance of the rotor in the working rotating speed can be measured and the method has a great data processing ability and a quick response speed, thus, a higher balance precision can be achieved.

The invention discloses an optical module and an electric domain dispersion compensation method thereof. The optical module comprises an optical path assembly, a laser receiving unit, an EDC chip and a first MCU (microprogrammed control unit); the laser receiving unit receives a downlink optical signal sent from an optical fiber by the optical path assembly, converts the optical signal into an electrical signal and amplifies and outputs the electrical signal to the EDC chip; the EDC chip judges the time delay and distortion of the electrical signal outputted from the laser receiving unit and sends the judged time delay and distortion information to the first MCU; the first MCU computes a dispersion compensation value according to the received time delay and distortion information and outputs the value to the EDC chip; and the EDC chip performs electric domain dispersion compensation on the electrical signal outputted from the laser receiving unit according to the dispersion compensation value and outputs the electrical signal. The EDC chip is arranged in the optical module, and the electrical signal after the photoelectrical conversion is subjected to the electric domain dispersion compensation at the EDC chip in the optical module, so the dispersion compensation effect of the electrical signal is better.

The invention discloses a debugger, comprising an interface conversion chip, a power supply module, a USB interface module and a communication interface module. The interface conversion chip is connected with the power supply module, the USB interface module and the communication interface module. The USB interface module is connected with an upper computer. The interface conversion chip comprises a first channel interface and a second channel interface. Both the first channel interface and the second channel interface carry out transparent data transmission with the USB interface module. The communication interface module comprises a plurality of communication interfaces. The first channel interface and the second channel interface are respectively connected with one communication interface of the communication interface module. The first channel interface and the second channel interface work at the same time. According to the debugger, two-channel and multi-communication protocol interconnection can be realized, and the development efficiency of a developer is improved.

The invention relates to an aviation transient electromagnetic method receiving compensation device. The aviation transient electromagnetic method receiving compensation device comprises a receiving coil, a transmitting coil, a compensation coil, and at least one compensating magnetic core. The transmitting coil is arranged at a periphery of the receiving coil, the compensating magnetic core is arranged on the transmitting coil, and the compensating coil is arranged on the compensating magnetic core. By using the aviation transient electromagnetic method receiving compensation device, throughadding compensation to the receiving coil, debugging is more flexible, assembling is more convenient, and suppression is more thorough. Besides, the proposed receiving and compensation coils do not weaken energy injected into the earth by a primary field, do not weaken a secondary field signal, and have no influence on a detection capability. Since full compensation of the primary field can be realized, a cleaner secondary field signal can be obtained. A detection depth and a resolution are greatly increased.

The invention belongs to the technical field of closed-loop control of a loop of a dynamically tuned gyro, and concretely relates to a dynamically-tuned-gyro digital rebalance loop based on FPGA (Field-Programmable Gate Array). The dynamically-tuned-gyro digital rebalance loop comprises a gyro body layer, a hardware circuit layer and a FPGA abstraction layer. A single FPGA chip is used for realizing ADC sampling control, DAC output control, control algorithm and the like of the digital rebalance loop, FPGA can be used for controlling, and also can realize complex control algorithm by inlaying a Nios II processor, so that the dimension of the rebalance loop is substantially reduced, and also a software is employed for finishing algorithm design of a trap filter, an integrator and correction algorithm and the like, and thus debugging is relatively flexible.

The invention belongs to electric equipment, and relates to a manufacturing technology for a high-voltage high-power adjustable simulative transformer substation. The current and voltage needed by electric equipment to be tested are generated through a large-current generator and a high-voltage generator, a current and voltage measuring device is arranged between an output circuit and a control unit, moreover, measured current values and voltage values are fed back to the control unit, according to the measured values fed back, the control unit controls and adjusts the large-current generator and the high-voltage generator to generate the large current and the high voltage which are matched with the electric equipment to be tested, measurement of electrical characteristics of the electric equipment to be tested can be simulated under different weather conditions to obtain the low-power-consumption intelligent simulative transformer substation, and an alternating-current output line and a direct-current output line are respectively arranged to meet needs of the electric equipment to be tested. The invention further relates to the high-voltage high-power adjustable simulative transformer substation, and the commissioning current value and the commissioning voltage value can be correspondingly adjusted according to the measured data of the electric equipment, so that the simulation operation process of the equipment is safe and reliable, and a great deal of electric energy is saved.

The invention relates to the mobile robot control technology field and particularly relates to a graphical control configuration method for a mobile robot. According to the graphical control configuration method, robot control elements are integrated in configuration software used for establishing control logic, and the control elements are utilized to complete configuration of the control logic to realize motion control of a robot. The graphical control configuration method specifically comprises steps that: 1, structures of the control elements are designed according to motion control characteristics of the robot; 2, interface functions of the robot are analyzed, functions of each control element are sequentially realized, and the control elements are integrated in the configuration software; 3, application situations are designed, and configuration editing of the control logic is completed in a graphical mode; and 4, the control logic is downloaded to a robot control station for execution; when the control logic is executed, intermediate data of a control process is displayed in an interface of the configuration software for monitoring and intervening the control process in real time. The graphical control configuration method is easy to realize, is convenient to monitor and debug, reduces exploitation difficulty and improves exploitation efficiency.

The invention provides a computer mainboard with a fault diagnosis function, comprising a computer mainboard body, as shown in Fig 1, wherein a fault diagnosis CPLD chip is arranged on the computer mainboard body, and connected with the south bridge on the computer mainboard body through an LPC bus and also connected with an onboard LED indicator light on the front panel of an embedded CPCI system. Compared with the prior art, the computer mainboard with the fault diagnosis function has the following advantages that the form of onboard CPLD is used, so that each product is provided with a debugging indication interface, and fault codes can be output by an onboard light emitting diode; standard debugging equipment as well as specific interfaces are not needed, flexible debugging is achieved, a fault can be directly positioned in an industrial field, thus being convenient and rapid, and product maintainability is improved; product maintenance cost and complexity are reduced; and the fault can be rapidly positioned, and product troubleshooting response time is shortened.

The invention relates to an SOPC (system on programmable chip) software and hardware cooperative system based on Linux, which comprises an SOPC module, a Linux system module and a network server module, wherein the Linux system module comprises a Linux kernel module and a Linux driver module, the network server module comprises a DHCP (dynamic host configuration protocol) server module and an NFS (network file system) server module, and the NFS server module comprises a file system mounting module and a file system interactive module. In the system of the invention, the SOPC and the NFS file system Linux are combined, and the software and hardware cooperative design system based on the combination is realized. The system of the invention has the advantages of fast development flow and simple implementation and is convenient in operation and easy in transplantation and expandability.

The invention provides an antenna capable of reducing an equipment SAR value. The antenna comprises a main circuit board and an antenna circuit board, wherein an adjustable power divider, and a first antenna matching network and a second antenna matching network respectively connected with the adjustable power divider are arranged on the main circuit board, a first antenna and a second antenna are respectively printed on the front and back sides of the antenna circuit board, the first antenna is connected with the first antenna matching network, and the second antenna is connected with the second antenna matching network. Antennas are printed on the front and back sides of an antenna circuit board, and no extra antenna units or devices added on the surrounding of an antenna are needed, thereby simplifying antenna design and saving space. Reconstruction of an antenna directional diagram can be realized through adjusting of a power division network. The SAR value can be effectively reduced through further adjusting antenna radiation direction. Commissioning is flexible, and the performance of an antenna can be optimized by fine tuning antenna wiring and matching elements.

The invention provides a pose estimation method and device based on a binocular vision inertial odometer, a storage medium and a processor. The method comprises steps: obtaining a first attitude angle, a second attitude angle and displacement, wherein the first attitude angle is an attitude angle of a carrier acquired through an inertia measurement unit, and the second attitude angle and displacement are acquired from multiple frames of images corresponding to the carrier acquired by the binocular vision odometer; obtaining a weighted average value of the first attitude angle and the second attitude angle, wherein the weighted average value is a fusion attitude angle of the carrier; and updating the displacement according to the fusion attitude angle. The attitude angles acquired by the inertial measurement unit and the binocular vision odometer are fused, so that the robustness of the fusion system is improved, the operation time of the fusion algorithm is shortened, the fusion algorithm is more flexible to debug, the precision of the attitude angles of the visual odometer is obviously improved, and the positioning precision of a pure visual positioning algorithm is improved through fusion of the two.

The invention relates to a data processing method based on a servo drive unit. The method comprises the following steps: a DSP chip in the servo drive unit receives and initializes sampling information from a host side; a virtual A / D module in the DSP chip samples input servo motor feedback data and control input data according to periodic interrupt generated by a timer inside the DSP chip, and sends the sampled data to the host side through a FIFO; and the host side processes a received data frame, and displays time-domain and frequency-domain waveforms and control adjustment parameters of servo motor operation. The method enables the servo drive unit to be debugged more conveniently, more flexibly and more efficiently; the method has the following advantages: acquired data is accurate, the data precision is high, algorithm data is directly acquired, the method is embedded into the servo drive unit, and the like; and the method further has the following advantages: a friendly graphical man-machine interaction interface is provided, internal data of the servo drive unit is displayed in real time, and any detail part of an image can be magnified without being limited by offset of a zero-point coordinate axis.

The invention provides an embedded processing circuit of an electric control combination of a carrying section, wherein the circuit is applied on the electric control combination to carry out detector function control and detection of relevant feedback signals. According to the electric control combination, functional requirements and characteristics of input and output signals are realized. The embedded processing circuit provided by the invention analyzes circuit design through modularization and mainly comprises an analog signal detection circuit, a state signal detection circuit, an embedded control processing circuit and a secondary electric power supply conversion circuit. The electric control combination of the carrying section converts and conditions digital control commands sent by the ground or a carrier into an analog quantity by an internal embedded DSP chip and then sends the analog quantity to each detector; main functional parameters and internal self-inspection parameters of the detector are collected; and the parameters are sent to a ground detection launch control system by RS-422 balance communications for decoding and analysis.

The invention discloses a short-base sensor for ship structure stress monitoring and a using method of the short-base sensor. The sensor mainly comprises a connecting device, a fixing device, a sealing device and a stress sensitive element. The two ends of an optical fiber are pasted on bearing blocks and are fixed in movable connecting pipes through fixing screw holes, and finally, the stress change of a ship body structure is reflected on a demodulator through the change of the wavelength of a fiber Bragg grating. The sensor is designed for a complex ship body structure of a ship and can beinstalled in a narrow space and part to measure the stress change of the ship body structure. Meanwhile, aiming at the harsh natural environment of the ocean, the sensor is designed to be of an overall watertight structure, an additional watertight shell is not needed, and the sealing performance, reliability and stability of the sensor in the ocean ship transportation process are improved.

The invention relates to a graphical control configuration method of a four-rotor unmanned aerial vehicle. Action characteristics of the four-rotor unmanned aerial vehicle are divided into sensing characteristics, communication characteristics and driving characteristics; furthermore, corresponding four-rotor unmanned aerial vehicle control components are provided, and respectively used for reading robot sensing characteristics, controlling communication signals and driving basic instructions; the control process of the four-rotor unmanned aerial vehicle can be realized by component configuration in a graphical mode according to the predetermined logic; and furthermore, the control process can be monitored and intervened in real time. According to the graphical control configuration methodof the four-rotor unmanned aerial vehicle in the invention, programming of the four-rotor unmanned aerial vehicle is carried out in the graphical mode; the development difficulty of the unmanned aerial vehicle is reduced; the development efficiency is increased; the method has the visualized calculation characteristic; the fact that a user monitors intermediate data in a robot control process inreal time can be supported; furthermore, parameters of the components can be adjusted online; the control process can be debugged more conveniently and flexibly; and the failure checking and correcting efficiencies are increased.

The invention discloses a SOC verification method and a debugging tool for radio frequency signals. First, a radio frequency demodulation module and an FPGA interface are used to construct a debugging tool; secondly, the debugging tool is connected to an FPGA verification platform of the SOC; then, the control The RF demodulation module on the debugging tool receives the RF signal and converts it into a CVBS signal or TS stream, and outputs it to the FPGA verification platform through the FPGA interface; the FPGA verification platform uses the received CVBS signal or the TS stream to debug the SOC system verify. The invention uses a specially designed debugging tool to verify the FPGA verification platform, thereby improving the efficiency of SOC chip development and verification in the early stage and ensuring the authenticity of the verification. In addition, the function modules on the debugging tool and the verification platform can also be debugged through the test interface reserved on the debugging tool, which facilitates the debugging work.

The invention discloses a satellite type electron-beam curing ink offset press. The satellite type electron-beam curing ink offset press comprises an emptying and paper receiving machine device, wherein a printing material in form of a coiling block in the emptying and paper receiving machine device enters a material receiving device through a deviation-correcting device, a dedusting device, a printing unit, an electron-beam curing device, an outlet deviation-correcting device, a material receiving traction device and a material receiving cutting device successively; the printing device comprises a central large roller which is perpendicularly arranged between a pair of wallboards of the offset press; a plurality of pairs of offset print color cell units which are adjustable in position are formed on opposite two sides of the central large roller horizontally; each of the offset print color cell units successively comprises a water-ink system which is arranged close to the central large roller, a printing roller which is quickly disassembled and assembled and a rubber roller which is quickly disassembled and assembled; the printing roller is as same as the rubber roller in structure. The satellite type electron-beam curing ink offset press is small in pollution, the offset print structure can continuously feed, and the overprinting accuracy is high.

The invention discloses a base station antenna and a radiation unit. The radiation unit comprises radiation arms, a balun structure and an insulating medium piece. The balun structure comprises baluns, the baluns are provided with coupling parts, and the coupling parts are used for coupling a radiation signal to the radiation arms. The insulating medium piece is detachably connected with the balunstructure, and the insulating medium piece is provided with mounting parts for mounting the radiation arms. The radiation arms are fixed on the insulating medium piece through the mounting parts, andare coupled to and matched with the corresponding coupling parts. The radiation unit can adapt to change design of the radiation arms, die waste is reduced, and the research and development cost is reduced. The base station antenna adopts the radiation unit, and the radiation arms can be replaced according to requirements, so that the debugging of antenna performance indexes is more flexible. Theradiation arms can be replaced on an old structure, so that the old antenna can meet new requirements.

The embodiment of the invention discloses a telephone customer service simulation method and device based on WEB, a storage medium and electronic equipment. The telephone customer service simulation method comprises the following steps: a WEB client sends question voice data obtained by the WEB client to a GRPC back-end server in real time through a full duplex communication protocol; The GRPC back-end server converts the problem voice data into problem text data, and returns the problem text data to the WEB client through a full duplex communication protocol; And the WEB client obtains response text data corresponding to the question text data according to the question text data, and converts the response text data into response voice data. The method can reduce the development cost of enterprises and improve the development and debugging efficiency.