MIL-M-8555C
3.9.2.5 Limiters. The characteristics of the limiters used to limit
commands to and within the system shall be specified. The limiters in each
channel and the cross-coupling between them shall be identified. Changes in
the limiting as a function of the missile conditions and the missile
operational phases shall be specified.
3.9.2.6 Shaping networks. Changes in the shaping characteristics shall
be specified in terms of missile conditions and missile operational phases.
The characteristics of the shaping networks used to shape the command and
feedback signals in the stabilization system shall be specified. ,
3.9.2.7 Actuators. The type of actuators used (electromechanical, fluid
etc) shall be specified. The transfer function characteristics required of
each actuator shall be specified, either in words or graphically. The power
input requirements of each actuator, whether fluid, mechinical, electrical or
otherwise, shall be specified. Mechanized input and output characteristics
including torque, angular limits, and inertia characteristics shall be
specified.
3.9.2.8 Biases. Any constant bias (eg, horizontal gravity-bias) required
shall be specified by describing the direction and magnitude of the bias. In
addition, the method of implementation (eg, control surfaces, deflecting
rocket nozzle, etc) shall be specified.
3.9.2.9 Instruments. The type of sensors used to measure position, rate
and acceleration shall be specified, The accuracy, bandwidth, bias and drift
of the instruments shall be specified as a function of missile flight
conditions. Included shall be the weight and dimensions of each instrument.
3.9.3 Airframe subsystem.
3.9.3.1 Structural characteristics. The following structural design
parameters and characteristics shall be specified:
Types of material (plastics, composites, etc).
a.
b.
Strength to weight ratio.
Ablation and erosion,
Thermal Sensitivity,
c
e.
Elastic modulus.
f.
Density and thickness,
Attachment interfaces.
9.
h.
Modularity considerations,
i.
Insulation and electromagnetic interference (EMI) shielding,
3.9.3.2 Structural dynamics. The followinq characteristics of the
air-frame structural dynamics shall be specified:
a.
Vibration isolation cons iderations.
b.
Body bending modes,
c.
Structural resonance and buzz characteristics,
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