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MEMS Seismic Sensor with FPAA-Based Interface Circuit for Frequency-Drift Compensation Using ANN

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Figure 1

MEMS seismic sensor characteristics—velocity V/S output voltage of before vibrating frequency compensation.
MEMS seismic sensor characteristics—velocity V/S output voltage of before vibrating frequency compensation.

Figure 2

Basic single neuron model.
Basic single neuron model.

Figure 3

Internal block diagram of FPAA (Anadigm FPAA).
Internal block diagram of FPAA (Anadigm FPAA).

Figure 4

Block diagram of sensor with FPAA based interface circuit.
Block diagram of sensor with FPAA based interface circuit.

Figure 5

Implementation of FPAA based interface circuit in anadigm designer 2.
Implementation of FPAA based interface circuit in anadigm designer 2.

Figure 6

FPAA based implementation.
FPAA based implementation.

Figure 7

Hyperbolic tan transfer function implemented in look up table.
Hyperbolic tan transfer function implemented in look up table.

Figure 8

Compensated Error in Percentage.
Compensated Error in Percentage.

Figure 9

MEMS seismic sensor characteristics—velocity v/s output voltage of after vibrating frequency compensation.
MEMS seismic sensor characteristics—velocity v/s output voltage of after vibrating frequency compensation.

Figure 10

Comparison of FPAA resource utilization in percentage.
Comparison of FPAA resource utilization in percentage.

Resource utilization

FPAA1 FPAA2
Resources C Op Co SAR C Op Co SAR
CAB 1 06 02 01 01 06 02 01 01
CAB 2 06 02 -- -- 08 01 -- --
CAB 3 -- -- -- -- 04 01 -- --
CAB 4 -- -- -- -- 06 01 01 01
Total used 12 04 01 01 24 05 02 02
Available 32 08 04 04 32 08 04 04
Utilization in % 37.5 50 25 25 75 62.5 50 50
Power 94.28 mW 112.34 mW
eISSN:
1178-5608
Lingua:
Inglese
Frequenza di pubblicazione:
Volume Open
Argomenti della rivista:
Engineering, Introductions and Overviews, other