专利详细信息

跌落高度拟合方法

文献类型：专利

专利类型：发明专利

是否失效：否

是否授权：否

申请号：CN201510312313.5

申请日：20150609

发明人：许斌周利英骆海清张学锋蔡建和钱烈辉刘辉强

申请人：中华人民共和国昆山出入境检验检疫局江苏省检验检疫科学技术研究院

申请人地址：215301 江苏省苏州市昆山市长江路428号

公开日：20150923

公开号：CN104931362A

代理人：孟宏伟

代理机构：32232 苏州华博知识产权代理有限公司

语　　种：中文

摘　　要：本发明公开了一种跌落高度拟合方法，包括以下步骤：有效测试点列表维护；确定是否可以三次B样条拟合，然后进行三次B样条拟合或跌落测试引导；临界跌落高度求解；确定是否取得有效临界跌落高度，然后输出结果或低落测试引导。本发明按照冲突判定规则删除冲突点，得到有效的测试点，便于快速进行三次B样条拟合，提高测试的效率；同时，利用三次B样条曲线对有效的测试点进行曲线拟合，实现临界跌落高度的快速求解，进一步提高测试的效率；跌落测试引导采用逐次逼近的方法进行测试引导，并提示可能合适的测试点进行测试，从而提高测试的效率。

主权项：1.跌落高度拟合方法，其特征在于，包括以下步骤：S1、有效测试点列表维护：跌落测试机进行冲击测试，得到冲击测试点的跌落数据并生成测试点列表，将新的冲击测试点的跌落数据加入已经生成的测试点列表时进行冲突分析，若不冲突，生成新的有效测试点列表后进入步骤S2，若冲突，则按照冲突判定规则删除冲突点，生成新的有效测试点列表后进入步骤S2；S2、确定是否可以三次B样条拟合：根据S1中新的有效测试点列表进行判断是否包含四个以上的有效测试点，若是，则进入步骤S3，若否，则进行跌落测试引导后进入步骤S1；S3、三次B样条拟合：利用三次B样条基函数，根据四个相邻的有效测试点的跌落数据计算出每一段拟合曲线的若干个型值点，然后将密集的型值点连接起来形成拟合的三次B样条曲线；三次B样条基函数为： $<math> <mrow> <mo>[</mo> <msub> <mi>N</mi> <mn>0,4</mn> </msub> <mrow> <mo>(</mo> <mi>u</mi> <mo>)</mo> </mrow> <mo>,</mo> <mo>,</mo> <msub> <mi>N</mi> <mn>1,4</mn> </msub> <mrow> <mo>(</mo> <mi>u</mi> <mo>)</mo> </mrow> <mo>,</mo> <msub> <mi>N</mi> <mn>2,4</mn> </msub> <mrow> <mo>(</mo> <mi>u</mi> <mo>)</mo> </mrow> <mo>,</mo> <msub> <mi>N</mi> <mn>3,4</mn> </msub> <mrow> <mo>(</mo> <mi>u</mi> <mo>)</mo> </mrow> <mo>]</mo> <mo>=</mo> <mfenced open='[' close=']'> <mtable> <mtr> <mtd> <mn>1</mn> </mtd> <mtd> <mi>u</mi> </mtd> <mtd> <msup> <mi>u</mi> <mn>2</mn> </msup> </mtd> <mtd> <msup> <mi>u</mi> <mn>3</mn> </msup> </mtd> </mtr> </mt</p><p class='subject'><strong>关键词：</strong>跌落高度 <b class='type_ico_id'></b>三次B样条 <b class='type_ico_id'></b>测试点拟合测试测试引导跌落测试 <b class='type_ico_id'></b>三次B样条曲线进行冲突判定规则删除快速求解列表维护拟合方法曲线拟合输出结果有效测试逐次逼近 <b class='type_ico_id'></b>冲突点求解有效一种引导提示确定合适公开 </p><p class='class'><strong>IPC专利分类号：</strong>G01N3/303(20060101)</p>
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