Research Article

Visual Identity-Based Earthquake Ground Displacement Testing Method

Figure 2

Test instrumentation and layout of sensors. (a). The layout of the instrumentation. Three instruments with different lengths are placed on the shaking table. The red circles are the targets used for vision tracking by cameras on the outside of the shaking table. In the background, it is the controller of the shaking table. (b) Sensor layout. On the top of the pole, main sensors are placed on the plate, which are cameras, accelerators, GPS sensors, and gyros.
(a)
(b)