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发表于 2005-1-13 06:11:31 | 显示全部楼层 |阅读模式
<  align=center><FONT size=3>机械产品生产计划问题</FONT></P>
< ><FONT size=3>机械加工厂生产<FONT face="Times New Roman">7</FONT>中产品(产品从<FONT face="Times New Roman">1</FONT>到<FONT face="Times New Roman">7</FONT>)该厂有以下设备:四台磨床,两台立式钻床,三台水平钻床,一台镗床和一台刨床。每种产品的利润(元<FONT face="Times New Roman">/</FONT>件)及各种设备的工时数如下(小时<FONT face="Times New Roman">/</FONT>件):</FONT></P>
<DIV align=center>
<TABLE  cellSpacing=0 cellPadding=0 width=555 border=1>

<TR >
<TD  vAlign=top width=107>
<  align=center>产品</P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">1</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">2</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">3</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">4</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">5</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">6</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">7</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=107>
<P  align=center>单位产品利润</P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">10.00</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">6.00</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">3.00</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">4.00</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">1.00</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">9.00</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">3.00</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=107>
<P  align=center>磨床</P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.50</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.70</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.30</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.20</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.50</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=107>
<P  align=center>立钻</P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.10</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">2.00</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.30</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.60</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=107>
<P  align=center>水平钻</P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.20</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">6.00</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.80</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.60</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=107>
<P  align=center>镗床</P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.05</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.03</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.07</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.10</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.08</FONT></P></TD></TR>
<TR >
<TD  vAlign=top width=107>
<P  align=center>刨床</P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.01</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.05</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">--</FONT></P></TD>
<TD  vAlign=top width=64>
<P  align=center><FONT face="Times New Roman">0.05</FONT></P></TD></TR></TABLE></DIV>
<P ><FONT size=3>从一月至六月,每个月需要检修的设备是:</FONT></P>
<TABLE  cellSpacing=0 cellPadding=0 border=1>

<TR>
<TD  vAlign=top width=79>
<P  align=center>月份</P></TD>
<TD  vAlign=top width=205>
<P  align=center>计划检修设备及台数</P></TD>
<TD  vAlign=top width=83>
<P  align=center>月份</P></TD>
<TD  vAlign=top width=201>
<P  align=center>计划检修设备及台数</P></TD></TR>
<TR>
<TD  vAlign=top width=79>
<P  align=center><FONT face="Times New Roman">1</FONT></P></TD>
<TD  vAlign=top width=205>
<P  align=center>一台磨床</P></TD>
<TD  vAlign=top width=83>
<P  align=center><FONT face="Times New Roman">4</FONT></P></TD>
<TD  vAlign=top width=201>
<P  align=center>一台立式钻床</P></TD></TR>
<TR>
<TD  vAlign=top width=79>
<P  align=center><FONT face="Times New Roman">2</FONT></P></TD>
<TD  vAlign=top width=205>
<P  align=center>两台立式钻床</P></TD>
<TD  vAlign=top width=83>
<P  align=center><FONT face="Times New Roman">5</FONT></P></TD>
<TD  vAlign=top width=201>
<P  align=center>一台磨床和一台立式钻床</P></TD></TR>
<TR>
<TD  vAlign=top width=79>
<P  align=center><FONT face="Times New Roman">3</FONT></P></TD>
<TD  vAlign=top width=205>
<P  align=center>一台镗床</P></TD>
<TD  vAlign=top width=83>
<P  align=center><FONT face="Times New Roman">6</FONT></P></TD>
<TD  vAlign=top width=201>
<P  align=center>一台水平钻床</P></TD></TR></TABLE>
<P ><FONT size=3>每种产品每月的销售上限是(件<FONT face="Times New Roman">/</FONT>月):</FONT></P>
<TABLE  cellSpacing=0 cellPadding=0 border=1>

<TR>
<TD  vAlign=top width=71>
<P >产品</P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">1</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">2</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">3</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">4</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">5</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">6</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">7</FONT></P></TD></TR>
<TR>
<TD  vAlign=top width=71>
<P >一月</P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">1000</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">800</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">200</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">100</FONT></P></TD></TR>
<TR>
<TD  vAlign=top width=71>
<P >二月</P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">600</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">200</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">400</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">150</FONT></P></TD></TR>
<TR>
<TD  vAlign=top width=71>
<P >三月</P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">600</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">400</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">100</FONT></P></TD></TR>
<TR>
<TD  vAlign=top width=71>
<P >四月</P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">200</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">400</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">200</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">100</FONT></P></TD></TR>
<TR>
<TD  vAlign=top width=71>
<P >五月</P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">0</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">100</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">100</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">1000</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">0</FONT></P></TD></TR>
<TR>
<TD  vAlign=top width=71>
<P >六月</P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">100</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">300</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">1100</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">500</FONT></P></TD>
<TD  vAlign=top width=71>
<P ><FONT face="Times New Roman">60</FONT></P></TD></TR></TABLE>
<P ><FONT size=3>每种产品的最大库存量为一百件,库存费为每件每月<FONT face="Times New Roman">0</FONT>。<FONT face="Times New Roman">5</FONT>元,在一月初没有库存;要求在六月底,每种产品库存<FONT face="Times New Roman">50</FONT>件。工厂每天开两班,每班<FONT face="Times New Roman">8</FONT>小时,为简单起见,每月假设都为<FONT face="Times New Roman">24</FONT>天。</FONT></P>
<P ><FONT size=3>生产过程中,各种工序没有先后次序要求。</FONT></P>
<P ><FONT size=3>问题一:制定六个月的生产、库存、销售计划,让六个月的总利润最大。</FONT></P>
<P ><FONT size=3>问题二:在不改变生产计划的前提下,那几个月中的那些产品的售价可以提高以达到增加利润的目的。价格提高的幅度是多大?</FONT></P>
<P ><FONT size=3>问题三:那些设备的能力应当增加?请列出购置新设备的顺序。</FONT></P>
<P ><FONT size=3>问题四:是否可以通过调整现有设备的检修计划来提高利润?提出一个新的设备检修计划让原来计划检修的设备在这半年中都得到检修而让利润尽可能增加。</FONT></P>
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