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VCR head L value detection sub-file machine design

Author: ZhouHongTao
Tutor: ZuoWeiPing
School: Dalian University of Technology
Course: Electronics and Communication Engineering
Keywords: VCR Magnetic head Computer Universal Bus Interface Inductance tester Stepper motor
CLC: TN946
Type: Master's thesis
Year: 2002
Downloads: 37
Quote: 0
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Abstract


In the era of digital, network , information technology , with the industrial and mining electrical control , instrumentation and control integration and information technology needs of the rapid development of the PC as the core of the PC - based open control scheme become industrial the field of fashion . The issue is the need to meet the CHMAVC VCR head yield , PC - based control scheme developed automatic head L value detection sub-file machine . VCR head L value detection sub-file machine Advantech IPC IPC - 610 control processing core , high Precision HP 4277ALCR , tester for testing means , PCL - 848 card for data transfer ; at the same time in order to achieve single-channel 100 consecutive test requirements, design PCL - 839 card single - axis stepper motor servo control system and 10-point switching relay group ; designed for easy operation and the need for artificial head sorting 4 * 5 matrix keyboard and 10 * 10 matrix LED diode display circuit . The whole system is designed to be simple , fully functional, complete the the head inductance L value determination and sub-file tasks . VCR head L value detection sub-file machine adopts the open architecture hardware module , the successful development of the system , of great reference value on to study CHMAVC various PCB board electronic components testing equipment , flexible use of PC - BASED IPC program , ability to improve production technology to lay a good foundation .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > TV > Video recording, playback system
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