Title :
Research and design of a 2-Bit Delta Modulator encoder/decoder
Author :
Zheng, Hao ; Lu, Zhongda
Author_Institution :
Sch. of Inf. Sci. & Eng., Shenyang Univ. of Technol., Shenyang, China
Abstract :
In this paper stabilization issues for a NCS that uses a Delta-Modulator Scheme within its encoder/decoder structures are analyzed, in addition modifications for the Δ - M algorithm and the details & limitations of the original scheme are analyzed. Then a new design of a 2-Bit Delta Modulator encoder/decoder scheme is presented. The results show that the maximum number of bits that can be sequentially lost depends on the region where a certain estimation error lies. The encoder/decoder can keep the simplicity and desirable characteristics of the 1-Bit scheme that allow us to handle a specific and predetermined number of lost packets.
Keywords :
asymptotic stability; decoding; delta modulation; encoding; modulators; networked control systems; 2-bit delta modulator encoder-decoder scheme; NCS; asymptotic stabilization; estimation error; networked control system; word length 2 bit; Communication channels; Decoding; Educational institutions; Eigenvalues and eigenfunctions; Encoding; Linear systems; Modulation; Δ-M Algorithm; Asymptotic Stabilization; Delta Modulator; Encoder/Decoder; Networked Control System;
Conference_Titel :
Control and Decision Conference (CCDC), 2012 24th Chinese
Conference_Location :
Taiyuan
Print_ISBN :
978-1-4577-2073-4
DOI :
10.1109/CCDC.2012.6244574
