32results about How to "Flexible and convenient debugging" patented technology

The invention discloses a flow field characteristic experiment device of a combustion chamber of a hydrogen-burning gas turbine. The flow field characteristic experiment device comprises three pairs of bluff body arrangement combustion chamber experiment pieces, a particle image velocimetry (PIV) test platform frame, a PIV test system and a pressure difference and environment temperature test system. The three pairs of bluff body arrangement combustion chamber experiment pieces comprise a front lateral plate, a front bluff body, a back bluff body, an affiliation mechanism of the back bluff body, a front top plate and a back top plate. A tracer particle injection pipe jack is arranged on the front lateral plate, an inlet speed probe jack is arranged on the front top plate, and an outlet speed probe jack is arranged on the back top plate. A tracer particle generator is connected with the tracer particle injection pipe jack on the front lateral plate. The device adopts the PIV test technology, selects reasonable combustion chamber position, reasonably mingles tracer particles into a main gas flow under the effects of the tracer particle generator and a tracer particle injection pipe, enables tracking particles in the test area to be evenly distributed and conducts visualization experiment of cold state flowing speed vector distribution of three pairs of bluff arrangement combustion chambers.

The invention provides an integrated magnetic suspension flywheel digital control device with high reliability, which is used for controlling a motor and an electromagnetic bearing of a magnetic suspension flywheel system, and mainly comprises an interface circuit, a field programmable gate array (FPGA) system, a magnetic bearing control power module, a motor control power module, a magnetic suspension flywheel system and a sensor circuit, wherein the FPGA system acquires data, such as the displacement signal of the magnetic bearing rotor, a revolving speed signal, magnetic bearing coil current, motor winding current and the like by the interface circuit. On the one hand, the PFGA system performs active control on the electromagnetic bearing in accordance with the displacement signal of the magnetic bearing rotor, the magnetic bearing coil current and the revolving speed signal; on the other hand, the FPGA system controls flywheel output torque in accordance with an output torque instruction, the motor winding current and the revolving speed signal. The device in the invention is used for realizing an integration design on the magnetic bearing digital controller and the motor digital controller, thus greatly improving the integrated level of the magnetic suspension flywheel system, reducing volume and weight, lowering the power consumption of the controllers and improving the reliability of the controllers.

The present invention provides a job scheduling method for automated industrial equipment. Using at least one server and at least one monitoring terminal together can realize large-scale collection of real-time operating parameters of various automated industrial equipment, and can monitor the real-time operation parameters of the automated industrial equipment. The operating status and real-time work progress can balance the workload of various automated industrial equipment, and can promptly detect automated industrial equipment with abnormal working status or progress and give an alarm. The invention performs encryption and decryption processing on the communication data between the server and the monitoring terminal, thereby ensuring the integrity and safety of the data. The invention is convenient and flexible for installation and debugging, has strong expansibility, is convenient for large-scale popularization and application, and can realize the automatic operation scheduling of large-scale automatic industrial equipment across regions.

The invention relates to the technical field of design of an SOC (system on a chip), in particular to an off-chip online programmable SOC (system on a chip) and a control method for the same. The system comprises an SOC, an off-chip Nflash / Norflash storage and an off-chip switch, the SOC comprises a minimum SOC, a serial port controller, an Nflash / Norflash controller and a reset control CCU (central control unit) module, and the minimum SOC comprises a CPU (central processing unit), an internal storage and an on-chip bus. The control method for the system includes: compiling software on a computer, switching the SOC into a programming mode by means of selection control of the off-chip switch, downloading compiled executable file data into the off-chip Nflash / Norflash storage, and then switching the SOC into a normal operating mode to realize system operation. The system and the control method for the system are not only beneficial to development of a software system, but also easy to debug, and the chip is not easy to damage during debugging.

The invention discloses an intelligent multi-color screen printing machine which comprises a machine shell, bottom feet, visual windows and a turnplate type screen printing machine body. The bottom feet are arranged at the bottom of the machine shell. The visual windows are arranged on the side face of the upper half portion of the machine shell. Vent holes are formed in the top and the side face of the bottom. A feeding conveying belt is arranged in the position of an inlet of the side face of the machine shell. A product positioning device is installed on the edge of a support of the feeding conveying belt. A feeding mechanical arm is arranged above the feeding conveying belt. A discharging conveying belt is arranged in the position of an outlet of the machine shell. A discharging mechanical arm is arranged above the discharging conveying belt. Conveying belt motors are arranged at the ends of the support of the feeding conveying belt and a support of the discharging conveying belt correspondingly. Conveying belt supporting legs are arranged at the bottoms of the feeding conveying belt and the discharging conveying belt. The turnplate type screen printing machine body is arranged in the machine shell. The intelligent multi-color screen printing machine has the beneficial effects that a high-precision divider and a full-servo control system are adopted, and thus the color topping precision and stability of products are improved.

The invention discloses FPGA (Field Programmable Gate Array)-based bonded phase frequency doubling method and device. The frequency doubling device comprises a square wave processor, an adding counter, a linear predicator, a corrector, a divider, a bonded phase multiple storage device, a latch and a subtract counter which are programmed by a VHDL (Visible Hardware Description Language) and are integrated into one FPGA. A bonded phase signal is processed by the square wave processor to become a standard square wave signal; the adding counter is used for counting the period of the square wave signal under the trigger of a clock signal; a counting value is transmitted to the linear predicator to predict a next periodical value of the bonded phase signal; a periodical predication value is checked by the corrector to be correct and then is transmitted to the divider for dividing by the bonded phase multiple to obtain a quotient which is latched by the latch; the subtract counter carries out the subtract counting by taking the quotient in the latch as a module value; and an overflow signal of the subtract counter is a frequency doubling signal. The device has compact structure; and the method and the device have the advantages of high integration degree, flexible configuration of frequency doubling coefficient, wide frequency doubling range, capability of periodical carrying out thelinear detection on the bonded phase signal, high frequency doubling precision and higher stability and reliability.

The invention discloses a mobile terminal. The mobile terminal comprises a shell, a printed wiring board, a metal frame, a first connector, a second connector and a first antenna, wherein the metal frame encircles the shell and comprises a first frame, a second frame and a third frame, the first frame is provided with a first gap, the first connector is connected with the first frame on the first gap, the second connector is connected with the third frame and a ground end of the printed wiring board separately, the first antenna comprises a first antenna main radiation body, a first part, a second part, a first inductor, a third part, a fourth part and a fifth part, the first part parallel to the first frame is connected with the first connector, the second part parallel to the third frame is connected with the first part, the first inductor is connected with the second part and the ground end of the printed wiring board separately, the third part is arranged under the second part and is parallel to the second part, one end of the third part is suspended, the fourth part parallel to the first part is connected with a second inductor and the third part separately, and the fifth part parallel to the first part is connected with the second inductor and a first feeding end of the printed wiring board separately. By the mobile terminal, the antenna cost is reduced, and the mobile terminal is convenient and flexible to debug. The invention also discloses an antenna of the mobile terminal.

The invention discloses a handheld adjusting device for adjustment of an intelligent knee joint artificial limb and relates to knee joint artificial limbs. The device comprises a shell, a microprocessor module, a minimum system circuit, a storage module, a Bluetooth transmission module, a power module and a display and adjustment interface module. An open-source Linux system is embedded in the device, and an application program is designed with the system as a platform to enable the device to work normally. According to the device, a microprocessor serves as a controller, a touch screen replaces a mouse keyboard to serve as a man-machine input and output interaction device, wireless Bluetooth replaces wire communication between devices, a control command is sent out with fingers or touch pens, and the defect of the prior art that a proper adjusting device is unavailable when the intelligent artificial limb is in actual use, the moving space of a wearer can be limited easily according to an adjusting mode that the adjusting device and the intelligent artificial limb end are connected in a wiring mode, the quality of specified adjustment motion is affected, and then accurate adjustment can not be achieved is overcome.