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Presents the design of longitudinal control for ASTOVL lift-fan aircraft, a multi-variable, strong-coupling, complicated nonlinear system to make the system nonlinear offset and decouple, and the method used for linear system in designing the system to gain expectant flying qualities and the combination of aerodynamic control surfaces with thrust vectors to delay the control surfaces getting into saturation, and the minimum N-norm generalized inverse theorem of weighted generalized inverse adopted to apportion the moments commands, which make the control surfaces gain appropriate deflection and the simulation results to verify the dynamic inverse control laws designed really make the system nonlinear offset and decouple; when one command is given, only this output will response, and others do not response; when all commands are given together, the responses will be just the linear superpose of the response of each command, therefore the operation of the pilot will be simplified greatly.

摘 要： ASTOVL升力风扇飞机是多变量、强耦合、复杂的非线性系统，采用非线性动态逆理论设计控制律以实现系统的非线性对消及解耦，然后，采用线性系统的设计方法对系统进行设计，以使系统获得期望的飞行品质。同时，考虑到ASTOVL升力风扇飞机是由气动舵面和推力矢量融合作用的，为了延缓各舵面进入饱和的时间，采用加权广义逆中的极小N-范数广义逆定理分配力矩指令，从而使各舵面达到适当的偏转角。并将所设计的控制律进行了仿真，结果验证了所设计的动态逆控制律使系统实现了非线性对消和解耦，单个指令作用时，只有该项响应，其余不受影响；所有指令作用时，其结果就等于单个指令作用时的线性叠加，这样使驾驶员的操纵大大简化而易于控制，从而大大降低了飞行事故率。

An orthogonal matrix is an invertible matrix for which the inverse is equal to the transpose.

正交矩阵是可逆矩阵，其逆矩阵等于其转置矩阵。

S1 is then changed to position 1. The voltage stored on C1 is inserted between the output and inverting input of the amplifier and the output of the amplifier changes by VIN to maintain the amplifier input at the input offset voltage. The output then changes from (VOS + IbiasR2) to (VIN + IbiasR2) as S1 is changed from position 2 to position 1. Amplifier bias current is supplied through R2 from the output of the amplifier or from C2 when S1 is in position 2 and position 1 respectively. R3 serves to reduce the offset at the amplifier output if the amplifier must have maximum linear range or if it is desired to DC couple the amplifier.

接着 S1 拨到位置 1，使 C1 的电压加在放大器的输出端和反相输入端之间，(由于电容端电压不能突变，所以)输出端的电压将产生大小等于 VIN 的变化，使放大器输入端维持输入失调电压，即当开关 S1 从位置 2 拨到位置 1 时，输出端电压将从(VOS + IbiasR2)变为(VIN + IbiasR2)。S1 处于位置 2 时，放大器的偏置电流是由输出端经电阻 R2 提供的，当 S1 转向位置 1 时则由 C2 提供。R3 的作用是降低输出失调电压，如果要求放大器具有最大的线性范围，或者采用直流耦合，就应该使用该电容。

I am very experienced in the handling of dogs, including dogs displaying aggression, but that doesn't equal invincibility.

我非常有经验，在处理狗，包括狗显示侵略，但是，这并不等于无敌。

When the measured value greater than or equal to 5mg/100mg usually allows iodometry; When measured value is less than 5mg/100mg, the method used to ensure the accuracy of measurements.

当测定值大于或等于5mg/100mg时，通常允许用碘量法；当测定值小于5mg/100mg时，通常使用光度法，以保证测定结果的精度[1]。

Dead men hear no tales; posthumous fame is an Irish bull.

死人无耳，死后的名声等于风马牛。

Chinese iron rail system is leading enterprises in the third quarter of the new contract orders 90,000,000,000 yuan in the first three quarters of the contract amounted to a total of 270,000,000,000 yuan, more than last year's level.

中铁铁路系统领导在新的合同订单900.000亿在前三季度人民币合同第三季度企业等于2700.00亿元超过去年的水平，总。

In this example, it is obvious that JE will cause a jump to SomePlace

在这个例子中，很明显，如果EAX寄存器中保持的数值等于7的话JE指令

Joe Miller, a cop and divorced dad, has just come into possession of the key—and his life will never be the same.

一个带着严重枪伤的年轻人交给警察德特·乔·米勒其中的一件物体，这是所有物体当中最有力量的一件，拥有了它就等于拥有了其他的物体--房间的钥匙。

Joe Miller, a cop and divorced dad, has just comeinto possession of the key—and his life will never be the same.

一个带着严重枪伤的年轻人交给警察德特·乔·米勒其中的一件物体，这是所有物体当中最有力量的一件，拥有了它就等于拥有了其他的物体--房间的钥匙。

She gently rebuff ed him, but agreed that they could be friends

她婉言拒绝了，但同意作为朋友相处。

If in the penal farm, you were sure to be criticized.

要是在劳改农场，你等着挨绳子吧！