55results about How to "Realize full digital control" patented technology

The invention is an integrating double-framework magnetically suspended control moment gyroscope (MSCMG) magnetic bearing control system, comprising a control circuit, a collecting circuit and a communication interface; wherein, the control circuit comprises a FPGA module, a DSP module and the like; the collecting circuit consists of current, a displacement sensor interface circuit, a double-framework revolution / position interface circuit, an A / D module, and a D / A module; the communication interface comprises a USB interface, RS232 and an SPI interface; the control circuit in the system is used for receiving gyroscope rotor signal processed by the collecting circuit, controlling the stable suspension thereof, transmitting the controlled variable to an upper computer through the communication interface, and realizing on-line monitoring on the suspended gyroscope rotor, data collecting and on-line modification for the controlled variable under the control of the upper computer. The system provided in the invention has the advantages of effectively communicating an inner framework and an outer framework rotational signals under the control of high precision, realizing the integratingdesign of the control system and the measurement and control system, and satisfying the requirements of speed and precision for the data collecting and the on-line monitoring.

The invention discloses a numerical control tapping device which comprises a frame and a feeding mechanism, a tapping mechanism, a material pushing mechanism, a product output mechanism and a programmable logic controller (PLC) which are arranged on the frame. The material pushing mechanism is used for pushing workpieces to be tapped to the tapping mechanism from the feeding mechanism. The tapping mechanism comprises an open type tapping platform formed by a material rotating disc, a second driving motor driving the material rotating disc to rotate and an arc material storage track matched with the material rotating disc. A plurality of material stopping ports evenly distributed in the radial shape are formed in the edge of the material rotating disc. The feeding mechanism, the material pushing mechanism, and the product outputting mechanism and the second driving motor are connected with the PLC, so that full numerical control of discharging, tapping and recycling is achieved.

The invention discloses a correction control circuit of a ballistic correction projectile based on a permanent magnet generator. A power generation winding is connected with a single-phase uncontrolled rectifier circuit, the single-phase uncontrolled rectifier circuit is connected with a DC-DC circuit and is also connected with a stabilized power supply and then is connected with a digital controller; the output of the control winding is connected with a three-phase uncontrolled rectifier circuit and is connected with a load circuit through a second power switching tube; and a detection winding is connected with the digital controller through a detection circuit, and the digital controller is connected with a projectile posture resolver through a communication circuit. The invention further discloses a correction control method of the circuit. The method comprises the following steps: firstly recording, by the digital controller, a target location of the projectile, after the projectile is emitted, the correction system is powered on, measuring, by the digital controller, the rotating speed of the generator through the detection winding, calculating the deviation between the actualtrajectory and a predetermined trajectory, and finally, correcting, by the digital controller, the trajectory of the projectile in combination with the deviation and the rotating speed of the generator. By adoption of the correction control circuit and control method disclosed by the invention, the accuracy and rapidity of the correction process are improved.

The invention discloses an embedded intelligent node module type high frequency soft switch electrolysis power source which comprises a plurality of intelligent node module type power source circuitsconnected via a CAN bus, and an intelligent control module. The intelligent node module type power source circuit comprises a main circuit and a control circuit, wherein, the main circuit comprises arectifier filter module, a high frequency inverter module, a power transformation module and a rectifier smooth module; the control circuit comprises a current voltage feedback sampling detection module, an ARM microcontroller system, a pulse-width modulation module and a high frequency drive module. The invention increases. The embedded intelligent node module type high frequency soft switch electrolysis power source has the advantages of improving efficiency and inverter frequency, and improving electromagnetic compatibility of a large power electrolysis power source as well, saving energy,realizing fully digital control, improving redundancy ability and reliability, along with small size, light weight, high process quality, convenient operation, cooperation of a plurality of module type power sources, thereby being particularly suitable to be uses in electrolysis smelting industries of non-ferrous metals such as aluminum, copper or zinc.