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Table 3 Indicators for soft landing

From: Hierarchical Optimization of Landing Performance for Lander with Adaptive Landing Gear

Indicator

Parameter

Sign

Performance indexes

Nozzle performance against damage

Minimum distance between the bottom of the nozzle and the landing surface (mm)

U

Acceleration overload

Maximum acceleration during soft landing (g)

L

Buffer performance

Four maximum buffer strokes during soft landing (mm)

S

Landing stability index

Minimum distance between the centroid of the lander and four stability walls (mm)

T