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電子皮帶秤在散裝物料場的應(yīng)用設(shè)計(jì)(參考版)

2025-07-03 06:46本頁面
  

【正文】 } 英文原文Length Measurement for Moving Products on Conveyor BeltAkihiro Watanabe, Takanori Yamazaki , Hideo Ohnishi, Masaaki Kobayashi , Shigeru Kurosu Utsunomiya University, 350 Minemachi, Utsunomiya, 3218505 Japan Oyama National College of Technology, 771 Nakakuki, Oyama, 3230806 Japan, yama Shinko Co., 421971 Takasai, Shimotsuma, 3040031 Japan Reserach Inst.,Crotech, 6188 Ozakata, Chikusei, 3080854 JapanAbstract: This paper presents an entirely new method which achieves precise length measurement of products on conveyor belt at high speed. Recently, the automatic length measurement of products in motion is ing to assume greater importance in industrial fields. Then, making the best use of the conventional length measurement on a conveyor, we propose a new length estimation method for moving products with a digital image taken by a handy digital camera. In the previous paper, we gave a brief explanation of the length measurement with a digital image and pointed out some technical problems in obtaining lengths with high accuracy. In this paper, we demonstrate the result of applying our method to real data of digital images having different dimensions. In particular, the interest is centered on an estimation method of the length of products making a slanting angle with the fixed direction of a conveyor.KeyWords: Length measurement, Digital image, Moving product, Belt conveyor1. INTRODUCTIONIn recent years, many studies on mass and length measurement of moving products on a conveyer belt have been made energetically in distribution and food Industries. In the mass and length measurement of products on a conveyor belt, the dimension and mass of products are generally random. Long, short, high, low heavy and light products are passed over a conveyor belt at a highspeed.Through previous papers on multistage conveyor belt scales, the continuous weighing method has been established with satisfactory performance. In the multistage conveyor belt scales so far presented, not only a mass of a product, but also a length of the product should be measured with accuracy demands. The length measurement of moving products has been still remained unsolved.Our aim is to establish a highly accurate length measurement of moving products with a digital image taken by a handy camera. Of particular interest on the road to us is how to estimate the length of rectangular products making a slanting angle with the fixed direction of a conveyor.2. LENGTH MEASUREMENTThe fundamental configuration of the length measurement system with a digital camera may be represented schematically as shown in Fig. 1. Specifications of products are length: 100~1200 mm, width: 100~ 900 mm, height: 30~900 mm, and color: not specified. A product to be measured is transported from an input side conveyor (right) into a multistage conveyor having a length of 1400 mm and after measurement the product is transported onto an output side conveyor(left). The transportation speed ranges from 20 m/min to 80 m/ min. And the accuracy of length 177。 TL0=(65536100)/256。 } } }}void time0() interrupt 1{ TH1=(65536100)/256。 if((flag1)||(flag2)||(flag3)) { init_()。 while(1) { read_adxl()。 } } } }}void main(){ init()。amp。 num=num1。 temp=tempamp。 break。 if(temp!=0xf0) { temp=P2。0xf0。 temp=P2。key。 num=numamp。0xf0。 } while(temp!=0xf0) { temp=P2。 case 0x7d: key=7。 case 0xbd: key=6。 case 0xdd: key=5。 switch(temp) { case 0xed: key=4。 if(temp!=0xf0) { delay(10)。 temp=tempamp。 } } } P2=0xfd。amp。 num=num1。 temp=tempamp。 break。 break。 break。 break。 if(temp!=0xf0) { temp=P2。0xf0。 temp=P2。}void key1(){ uchar temp,a=1。 if(b1=n1c1)flag2=0。 if(b=nc)flag1=0。 b=2*m,c=()*m。 EA=0。 while(!y1)。 while(y1)。 while(!y1)。 i=0。 n=i。 m=i。 EA=1。 while(x1)。 ES=1。 while(TI!=0)。 flag=0。 flag1=flag2=0。//開定時器0中斷 TR0=1。//開定時器1中斷 TR1=1。 EA=0。 TH0=(65536100)/256。//設(shè)置定時器T0、定時器T1為工作方式1,作計(jì)數(shù)器使用// TH1=(65536100)/256。k)。j) for(k=125。 for(j=i。 TR1 = 1。 TH1 = 0xFd。 PCON = 0x00。long int num。sbit a3=P1^2。sbit a1=P1^0。sbit x1=P3^4。 參考文獻(xiàn)[1] 郭永新,孫傳友. 電子皮帶秤電子電路的新設(shè)計(jì)[J]. 科技信息,2007,31:13.[2] 曾華林. 一種新型電子皮帶秤的設(shè)計(jì)[J]. 金屬礦山,2003,1:4850.[3] 潘笑,李琦,文劍波. 新型高精度電子皮帶的研制[J]. 華東電力,2003,10:3537.[4] 方原柏. 電子皮帶秤運(yùn)行檢驗(yàn)裝置性能的理論分析法[J]. 衡器,2007,36(3):67.[5] 方原柏. 電子皮帶秤測速傳感器的現(xiàn)場靈活應(yīng)用[J]. 衡器,2006,4:812.[6] 鄭淑艷. 基于AT89C51單片機(jī)的電子輸送帶秤控制系統(tǒng)設(shè)計(jì)[J]. 煤礦機(jī)械,2008,29(2):195197.[7] 梁躍武,王志愛,[J]. 中國測試技術(shù),2008,34(6):109110.[8] 方原柏. 電子皮帶秤的發(fā)展趨勢[J]. 衡器,2007,6:1517.[9] 任治斌,張富春,楊延寧,等. 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