16.3 Requirements
523
The measurement requirements for engineering environment parameter are listed
in Table 16.2.
Table 16.2 Measurement requirements for engineering environment parameter
Engineering environment
Requirements
Measurement parameter or
data
Status of the lunar rover
To monitor the lock/unlock of the
lunar rover on the lunar lander
To monitor the movement and
position of the lunar rover on the
lunar lander
To monitor the release and
separation of the lunar rover on
the lunar lander
Images of monitoring camera
Descending process and
terrain of landing site
To survey rock distribution and
terrain of landing site, provide
data for path planning of the
lunar rover
To observe attitude of the lunar
lander during descending for
analysis of propulsion and GNC
Video taken during descending
by descent camera
Landing impact feature
To study landing impact,
optimize structural and
mechanism design of future
lander with mechanical
properties of lunar soil
3D acceleration of landing
impact
Lunar dust properties on
lunar surface
To study lunar dust accumulation
with time
To study lunar dust accumulation
with movement of the lunar rover
To study effect of lunar dust on
output power of solar cell
To study effect of lunar dust on
optical instrument for
optimization of future instrument
design
Accumulation of lunar dust
Thermal environment on
lunar surface
To study lunar surface
temperature of landing site,
radiative heat flux on all
spectrum band on lunar surface,
heat conductivity of lunar soil
To analyze thermal environment
on lunar surface, its variation in
all life cycle of the lunar lander,
so as to optimize thermal design
of future lander
Temperature, radiative heat
flux on lunar surface and
conductivity of lunar soil
(continued)