Exact(2)
Additional functionalities such as safe/armed position convertibility and single use latching switch are also described for diverse applications of the tunable acceleration switches.
Bulk micromachined silicon mechanical acceleration switches have been designed, fabricated, and characterized for the purpose of crash sensing for side airbag systems in which high-speed response is required for triggering the airbag.
Similar(58)
In this study, a MEMS acceleration switch using mechanical hooked latch is designed, fabricated, and measured.
The acceleration switch with a size of 1.8 × 3.2 × 0.55 mm3 was fabricated using a Silicon-on-Glass (SiOG) process.
The ON-state duration of the acceleration switch is designed to convert to the acceleration magnitude, and for this purpose squeeze film effect is utilized.
The acceleration switch consists of an electrical contact part suspended from the surrounding seismic mass which performs holding of the ON-state using the squeeze film effect.
A MEMS acceleration switch capable of tuning threshold acceleration to either higher or lower levels is designed and implemented with comb drive actuators as a mechanism of threshold tuning.
In order to inflate the airbag, collision should be recognized by analyzing the output signals of the electrical accelerometer and the acceleration switch to prevent mis-operation caused by an electromagnetic noise.
We repeated this experiment with the post-ejection-acceleration switched on and observed the same linear relationship between the crystal size and the integrated detector signal (Fig. 8 b).
In maneuver discrimination, we focus on the acceleration command switch instant t sw and the acceleration direction switch instant t dir.
An acceleration latching switch with independent multi-contacts is presented in this paper.
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