Study on Key Technique of Reconfigurable CNC System

2011 ◽  
Vol 217-218 ◽  
pp. 1590-1594
Author(s):  
Gao Feng Zhu ◽  
Yan Lei Zhang

FPGA has been used in CNC system, it can achieve the impulse, the count, arithmetical operation, I/O interface and so on, and therefore it can greatly simplify the design of control circuit. In this special structure mechanism, the processing and monitoring of CNC system based on FPGA instead of traditional MCU is implemented. The overall structure of reconfigurable CNC system is described, meanwhile, the DDA accurate interpolation and the control circuit of stepper motor is emphatically solved through Using the FPGA. With the result of several experiments, the performance of the CNC system is improved, reconfiguration is strengthened, besides, the peripheral interface devices and cost is greatly reduced.

2014 ◽  
Vol 532 ◽  
pp. 175-178 ◽  
Author(s):  
Guang Xiao Zhang ◽  
Xing Song Wang

In this paper, an automatic insertion system was designed to send the long and slender rescue robot into ruins. To make it more effective, a dual-drive method was designed that a pulling mechanism drag the arm in front and a pushing mechanism send the arm from behind at the same time. Sickle legs in combination with steering head of the arm ware adopted in the pulling mechanism which has great obstacle climbing performance. Also rubber wheels of the pushing mechanism was driven by a stepper motor and provided great friction to push the robot arm. The control circuit board was designed to realize accuracy control of the automatic insertion system. Experiments show that the propulsion system has good performance in experimental environment.


2021 ◽  
Vol 2095 (1) ◽  
pp. 012063
Author(s):  
Changxin Cai ◽  
Yongjun Chen ◽  
Ruiling Ouyang

Abstract With the application of automotive air conditioning being more popular, higher requirements on automotive air conditioning’s comfort have been put forward, noise is an important criterion about comfort. BDC motor controlling ventilation valve’s noise is mainly caused by brush and commutator, but stepper motor doesn’t have it and stepper motor is cheap and easy-controlling. In this paper, the principle of microstepping drive technology is discussed in detail, the control circuit block diagram and the application of the stepping motor’s control system are introduced. The noise of BDC motor and stepper motor controlling ventilation valve is measured in the semi-anechoic room, BDC motor produces peak noise at the start and stop during the working of motor, stepper motor’s noise is slight and smooth-going; current waveforms have been measured in the microstepping drive, the results show microstepping drive makes current waveform more smooth-going and stepper motor’s noise is lower. So it is a tendance stepper motor will replace BDC motor to control ventilation valve, and the microstepping drive can meet different requirements for merchant’s control.


2019 ◽  
Vol 5 (1) ◽  
pp. 35-45
Author(s):  
Markus Dwiyanto Tobi ◽  
Alimuddin Mappa

The role of the power supply device is to produce, process and distribute energy sources. Telecommunication equipment can only operate if it has continuous supply. Therefore, to maintain the continuity of the supply, a UPS (Uninterruptable Power Supply) device system is needed so that the supply to the Essential Load device will remain available so that continuity will be maintained. This research designs and proposes how a series of automatic redundant switch systems on UPS to ensure the availability of power supply for the main equipment of telecommunications systems. The Auto switch circuit is designed to have 3 (three) working stages which will trigger the relay driver as control circuit, namely the normal working condition of the contactor input K1 is present, the input condition is zero (lost), and the input condition is present. This system can automatically supply power to telecommunications equipment.


2015 ◽  
Vol 19 (95) ◽  
pp. 24-27
Author(s):  
Elena S. Nazarova ◽  
◽  
Vladimir V. Osadchii ◽  
Sergej Ju. Tobolkin ◽  
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