波音737NG(737-600/700/800/900)飞机自动油门
<P>**** Hidden Message *****</P> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN style="FONT-SIZE: 16pt; COLOR: black; FONT-FAMILY: 宋体; mso-bidi-font-size: 10.0pt"><FONT size=3>第四十五章<SPAN lang=EN-US> </SPAN>自动油门</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>一 、功用:<SPAN lang=EN-US>(3</SPAN>页</FONT><FONT size=3><SPAN lang=EN-US>)<BR></SPAN>自动油门系统使用飞机传感器的数据计算发动机推力<SPAN lang=EN-US>,</SPAN>根据机组通过<SPAN lang=EN-US>MCP</SPAN>、驾驶舱开关的指令和<SPAN lang=EN-US>FMC</SPAN>的输出控制发动机推力<SPAN lang=EN-US>,</SPAN>自动油门可以从起飞到着陆全程工作。</FONT><SPAN lang=EN-US><BR><FONT size=3>A/T</FONT></SPAN><FONT size=3>是飞机管理系统之一<SPAN lang=EN-US>,</SPAN>系统还包括<SPAN lang=EN-US>FMCS</SPAN>、<SPAN lang=EN-US>DFCS</SPAN>、<SPAN lang=EN-US>ADIRU(7</SPAN>页</FONT><FONT size=3><SPAN lang=EN-US>)<BR>A/T</SPAN>的操纵通过油门手柄上的电门和<SPAN lang=EN-US>MCP,A/T</SPAN>方式可选择在:</FONT><SPAN lang=EN-US><BR><FONT size=3> MCP</FONT></SPAN><FONT size=3>上的人工选择</FONT><SPAN lang=EN-US><BR><FONT size=3> </FONT></SPAN><FONT size=3>由<SPAN lang=EN-US>DFCS</SPAN>自动选择</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>由<SPAN lang=EN-US>TO/GA</SPAN>电门选择<SPAN lang=EN-US>(</SPAN>人工</FONT><FONT size=3><SPAN lang=EN-US>)<BR>A/T</SPAN>可以由<SPAN lang=EN-US>MCP</SPAN>或<SPAN lang=EN-US>DFCS</SPAN>选择在<SPAN lang=EN-US>N1</SPAN>或速度方式<SPAN lang=EN-US>,</SPAN>其显示可在<SPAN lang=EN-US>CDS</SPAN>的<SPAN lang=EN-US>FMA</SPAN>上。</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>二<SPAN lang=EN-US> </SPAN>部件介绍</FONT><FONT size=3><SPAN lang=EN-US>:<BR>1</SPAN>.油门伺服马达<SPAN lang=EN-US>2</SPAN>个</FONT><SPAN lang=EN-US><BR><FONT size=3>2</FONT></SPAN><FONT size=3>.油门杆推力解算器<SPAN lang=EN-US>2</SPAN>个</FONT><SPAN lang=EN-US><BR><FONT size=3>3</FONT></SPAN><FONT size=3>.带摩擦刹车和离合器的齿轮盒<SPAN lang=EN-US>2</SPAN>个</FONT><SPAN lang=EN-US><BR><FONT size=3>4</FONT></SPAN><FONT size=3>.油门杆与伺服马达的机械连接机构<SPAN lang=EN-US>2</SPAN>个</FONT><SPAN lang=EN-US><BR><FONT size=3>5</FONT></SPAN><FONT size=3>.<SPAN lang=EN-US>MCP</SPAN>上预位和方式电门</FONT><SPAN lang=EN-US><BR><FONT size=3>6</FONT></SPAN><FONT size=3>.<SPAN lang=EN-US>TO/GA</SPAN>电门</FONT><SPAN lang=EN-US><BR><FONT size=3>7</FONT></SPAN><FONT size=3>.油门杆上<SPAN lang=EN-US>A/T</SPAN>切断电门</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>三、工作:</FONT><SPAN lang=EN-US><BR><FONT size=3>1</FONT></SPAN><FONT size=3>.准备:</FONT><SPAN lang=EN-US><BR><FONT size=3>A/T</FONT></SPAN><FONT size=3>衔接</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>起飞油门保持上升到<?xml:namespace prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" /><st1:chmetcnv w:st="on" UnitName="英尺" SourceValue="800" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>800</SPAN>英尺</st1:chmetcnv></FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>减速时油门杆到达后止点。</FONT><SPAN lang=EN-US><BR><FONT size=3>2</FONT></SPAN><FONT size=3>.<SPAN lang=EN-US> </SPAN>油门保持:</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>当起飞转弯且空速大于<st1:chmetcnv w:st="on" UnitName="海里" SourceValue="80" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>80</SPAN>海里</st1:chmetcnv>时,<SPAN lang=EN-US>A/T</SPAN>进入保持方式,在达到<st1:chmetcnv w:st="on" UnitName="海里" SourceValue="84" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>84</SPAN>海里</st1:chmetcnv>时,<SPAN lang=EN-US>FMA</SPAN>上显示<SPAN lang=EN-US>“</SPAN>油门保持<SPAN lang=EN-US>”</SPAN>,直到下面两个条件发生:气在高度上升<st1:chmetcnv w:st="on" UnitName="英尺" SourceValue="800" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>800</SPAN>英尺</st1:chmetcnv>,抬头上升<SPAN lang=EN-US>10</SPAN>秒以后。</FONT><SPAN lang=EN-US><BR><FONT size=3>3</FONT></SPAN><FONT size=3>.<SPAN lang=EN-US> N1</SPAN>:</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>用于起飞、爬升、最大推力复飞期间。</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>控制信号:</FONT><SPAN lang=EN-US><BR><FONT size=3>FMC N1</FONT></SPAN><FONT size=3>目标</FONT><SPAN lang=EN-US><BR><FONT size=3>N1</FONT></SPAN><FONT size=3>指令</FONT><SPAN lang=EN-US><BR><FONT size=3>EEC</FONT></SPAN><FONT size=3>来的<SPAN lang=EN-US>TRA</SPAN>角度</FONT><SPAN lang=EN-US><BR><FONT size=3>EEC</FONT></SPAN><FONT size=3>来的实际</FONT><FONT size=3><SPAN lang=EN-US>TRA<BR>EEC</SPAN>来的最大</FONT><FONT size=3><SPAN lang=EN-US>N1<BR></SPAN>在起飞和最大推力复飞时,<SPAN lang=EN-US>A/T</SPAN>使用<SPAN lang=EN-US>N1</SPAN>目标和<SPAN lang=EN-US>EEC</SPAN>油门杆角度解算目标对<SPAN lang=EN-US>FMC N1</SPAN>极限值进行更精确的控制。</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>在起飞复飞时,<SPAN lang=EN-US>A/T</SPAN>操纵油门杆速率为<SPAN lang=EN-US>13.5°/</SPAN>秒到一个预期的位置,在最后调整时,操纵油门杆最大速率为<SPAN lang=EN-US>5°/</SPAN>秒,在起飞<SPAN lang=EN-US>/</SPAN>复飞以外的其它方式,速率为<SPAN lang=EN-US>3°/</SPAN>秒。</FONT><SPAN lang=EN-US><BR><FONT size=3>4</FONT></SPAN><FONT size=3>.<SPAN lang=EN-US> </SPAN>速度:</FONT><SPAN lang=EN-US><BR><FONT size=3>A/T</FONT></SPAN><FONT size=3>控制推力到目标速度,可是<SPAN lang=EN-US>FMC</SPAN>速度,也可是<SPAN lang=EN-US>MCP</SPAN>速度。</FONT><SPAN lang=EN-US><BR><FONT size=3> A/T</FONT></SPAN><FONT size=3>比较<SPAN lang=EN-US>SMYD</SPAN>的最小使用空速和<SPAN lang=EN-US>ADIRU</SPAN>的计算空速,设置一个最小速度底线,控制飞机不能低于这个底线。</FONT><SPAN lang=EN-US><BR><FONT size=3>5</FONT></SPAN><FONT size=3>.<SPAN lang=EN-US> </SPAN>减速:</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>在下降减速时油门杆速率为<SPAN lang=EN-US>1°/</SPAN>秒</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>在拉平减速时油门杆速率为<SPAN lang=EN-US>3°/</SPAN>秒</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>落地后便为<SPAN lang=EN-US>8°/</SPAN>秒</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>在拉平减速方式油门杆到慢车位需<SPAN lang=EN-US>6</SPAN>秒</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>(<SPAN lang=EN-US>51</SPAN>页)</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>当方式转换时,方框闪动<SPAN lang=EN-US>10</SPAN>秒。</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>(<SPAN lang=EN-US>53</SPAN>页)</FONT><SPAN lang=EN-US><BR><FONT size=3>FMC</FONT></SPAN><FONT size=3>数据无效时或无计算数据,<SPAN lang=EN-US>TMA</SPAN>显示<SPAN lang=EN-US>------</SPAN>。参考<SPAN lang=EN-US>N1</SPAN>数字显示也变成<SPAN lang=EN-US>-----</SPAN>。正常显示时,只有参考<SPAN lang=EN-US>N1</SPAN>游标,无数字显示,只在人工时显示数字。</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>当<SPAN lang=EN-US>FMC N1</SPAN>数据无效或无计算数据时,<SPAN lang=EN-US>A/T</SPAN>计算一个<SPAN lang=EN-US>N1</SPAN>极限给两台发动机,<SPAN lang=EN-US>TMA</SPAN>处将显示方框,内部显示<SPAN lang=EN-US>“A/T LIM”</SPAN>。</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>(<SPAN lang=EN-US>71</SPAN>页)</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>当<SPAN lang=EN-US>A/P</SPAN>近进在<SPAN lang=EN-US>G/S</SPAN>时,<SPAN lang=EN-US>RA</SPAN>为<st1:chmetcnv w:st="on" UnitName="英尺" SourceValue="50" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>50</SPAN>英尺</st1:chmetcnv>时,<SPAN lang=EN-US>DFCS</SPAN>启动拉平程序。当<SPAN lang=EN-US>RA</SPAN>为<st1:chmetcnv w:st="on" UnitName="英尺" SourceValue="24" HasSpace="False" Negative="False" NumberType="1" TCSC="0"><SPAN lang=EN-US>24</SPAN>英尺</st1:chmetcnv>时,<SPAN lang=EN-US>A/T</SPAN>给出拉平指令,</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>如果<SPAN lang=EN-US>A/P</SPAN>未衔的近进时,<SPAN lang=EN-US>A/T</SPAN>在<SPAN lang=EN-US>LRRA <st1:chmetcnv w:st="on" UnitName="英尺" SourceValue="27" HasSpace="False" Negative="False" NumberType="1" TCSC="0">27<SPAN lang=EN-US><SPAN lang=EN-US>英尺</SPAN></SPAN></st1:chmetcnv><SPAN lang=EN-US>,襟翼大于12.5°</SPAN></SPAN>时进入拉平。</FONT><SPAN lang=EN-US><BR></SPAN><FONT size=3>运行规范:</FONT></SPAN></P> 15151515151515 辛苦辛苦,学习学习回复 1# 航空 的帖子
辛苦辛苦,学习学习 真是太好了,解释的很简洁 波音737NG(737-600/700/800/900)飞机自动油门 感谢楼主分享 好东西学习一下 谢谢共享。。。。。。。。。。。。
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