The paper mainly designs the banknote withdrawal system of supermarket automatic change machine. The system mainly includes the banknote box, banknote separation, banknote flow path, laser thickness gauge, fault separation switch, waste banknote collection box. The system mainly uses the method of fiction...

In this paper, through analyzing the physical characteristics and function of the pneumatic switch, and through the simulation of drawing technology, the assembly module was designed based on PLC control system and I/O module. And its reliability has been proved by the experiment. The system obtained...

This design makes a kind of intelligent curtain system. It realizes intelligent control switch curtain and control air conditioning indoor temperature and humidity. The system consists of mechanical part and control system. The mechanical part includes stepping motor, curtain, etc. The control part consists...

According to the actual structure of the welding robot car fittings, D-H kinematics model is established, so as to analyze the robot kinematics and kinematics solution; whether it is suitable for actual robot calibration verification to find whether it is feasible to determine; through the experiment,...

3D printing technology has developed for decades in our country, desktop 3D printers are gradually used popularly. Focused on the problems of large friction and instability of the wire feeder in the desktop 3D printer of FDM technology. The mechanisms of the internal and external wire feeding are studied...

Based on STM32F103C8T6 SCM unmanned cruise ship support rocker control and GPS navigation two modes. Through the GPS navigation system to achieve automatic cruise, you can automatically avoid obstacles, and real-time transmission of its own positioning information to the monitoring end. Unmanned ship...

This paper investigates projective synchronization of fractional order chaotic systems with different orders. In order to get the projective synchronization of fractional order chaotic systems with different orders, a scheme is proposed and effective controllers for synchronization are designed. Numerical...

The 367 coal mining face in Fengcheng Shangzhuang coal mine was selected for the project background, the law of the mining permeability is mirrored by the law of the flow of parallel hole that drain gas from virgin coal seam following by the moving of working face. According to the surveying data, the...

According to the transport characteristics of coal ash and dust, a pneumatic conveying equipment control system for coal ash is designed in this paper. The automatic control of pneumatic conveying equipment is realized. The structure of mechanical system, control system hardware, system software and...

The basic principles of GMR is introduced and the characteristics of the sensor of GMR is studied by experiment. SPSS is put to use to do data analysis. The results indicate that there is the cubic relationship between the output voltage of the sensor and the external magnetic field and between the output...

The tobacco blending is a special process in the tobacco product line. It plays a very important role in this area because it will affect the quality of the tobacco. The instant blending accuracy of the technological requirement is higher than 85??.... This paper introduces an automatic alarm of tobacco...

Fire fighting is one of the key monitoring targets of campus security. To improve the maintenance and management of campus fire control facilities and fire evacuation and fire fighting action efficiency, with a training center as an example, the existing automatic fire detection alarm, fire linkage control...

This design adopts single chip microcontroller (STM32F103) as the minimum system. The independent keystroke and single chip are the control module of the fingerprint. Fingerprint identification module and WIFI module constitute information acquisition module. The dc motor and the lock - clasp physical...

The single cycle structure with a small area is difficult to encrypting high-speed SM4 streams in real time, while fully pipelined design is not available for the system's application in low-cost areas. Aiming at this, the pipeline method and the single cycle scheme are combined to build a high-speed...

At present it is difficult for the tradition metric equipment to adapt the modernization mass production, a new trace sample device, implements trace liquid automatic adjustment, real-time monitoring and accurate adjustment, using PLC technology and touch screen technology, servo motor technology as...