| The flaw detecting in glass-bottle mouth and bottle-neck is very important in the course of production of glass-bottle. At present, many domestic factories adopt the artificial method to detect the quality of their productions, which not only is inefficient and inaccurate but also lacks of uniform inspection standard. Some domestic factories introduce into foreign machines which adopt mechanism-touched mode, but these machines are low agility and require high cost. Therefore, it is indispensable to develop a detecting system which has virtues of high cost performance and high applicability as well as convenient operation interface. The main purpose is a present condition that adapts our country to produce glass in the small scaled enterprise, lowering their production cost as far as possible.Ever since 2002 start, electronics graduate school of Guangxi Normal University and Guilin Jinsheng class bottle co.Ltd cooperated success to develop flaw detecting system in beer bottle mouth. This system has been running for more than three years on-line , the result is better, but the development of the situation put forward the higher request. Therefore, we made the further development for advance the performance. This thesis discusses the developing process which adopts strategy and the technique method.So, the work of this thesis is that it has improved the scarceness of the former flaw detecting system in beer bottle mouth and has met the speed of the output. The work mainly includes several aspects:1.To be directed against the matter of confirming of the beer bottle mouth, as well as the jar and the white bottle. The paper uses the method of the eight directions rule of boundary chain code to improve the former algorithm. The result is that it can confirm the mouth of every kinds of bottle. So, it certainly makes the whole system had in general use, raised the credibility and the efficiency of the system at the same time.2.In the former crack judge algorithm, because of the interference of the background of the light spot and outside light source, it put forward a way that make a ellipse to correct the feature exaction method, which improve its former method that make with several rectangles to simulate the curve. So the improvement lowers the miscarriage of justice rate of the system consumedly. Decline to 0.2% from original 0.4%, raise dependability of the procedure.3.For the sake of the more perfect system, satisfy the request of the customer at the same time, increased the bottleneck crack examination item in the system, make the whole crack examination system incline toward perfect. Abandoned the past artificial light examination method, make the quantity of the product more of credibility, raised the competition ability of the company product.4.In order to protect the copyright of the software, this thesis makes the first step studying the software protection method ,and uses some methods of software protection in the detecting system of flaw. This thesis adopts the method is that use the fingerprint of computer of Anti-copy Encryption Technology , which encrypt with MD5 to keep from copy. This method is just the initial protection of the detecting system of flaw, only is to prevent from a version of the system using much.5.For resolving the problem is that the product of storage medium is easy damage in transport, in order to prove convenience of usage and software performance of dependability etc. This thesis uses the flash memory - industry CF card to save the software. In order to raise the credibility of the system and operability, strengthened the software of safety.After improving the detecting system of flaw, the speed of software detecting has been increased 3 times, the time of handling one picture of bad bottle raise to 10ms from the original 30ms, the general speed of detecting from 120 bottles every minute archives to 150 bottles every minute. The rate of error and judgments has been decreased 2 times, and reach 0.2%. At present , the system of detecting has been put to use at Guilin Jinsheng class bottle co.Ltd for more than half a year, the customer`s repercussion is very well. At the same time, the Jingyao class bottle co.Ltd of Shandong province bought this detecting system, and the customer`s repercussion is very well. They evaluate that the system of bottle-neck detecting is as good as those foreign detecting system. At present, there are 4 product lines using the system detecting of bottle flaw in Guilin Jinsheng class bottle co.Ltd. Therefore, these have not only increased economic efficiency ,but also heightened incorporeal property. |
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