Abdulaziz Alshaya - Profile on Academia.edu (original) (raw)

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Papers by Abdulaziz Alshaya

A Closed-Loop Readout Circuit with Voltage Drop Mitigation for Emerging Resistive Technologies

A Fully Passive Selectorless ReRAM Array

Experimental Results of 1C1R Structure Based on Knowm Memristor

The Design of a Resistive Switching Characterisation Platform Based on Discrete Current-Conveyors

2023 12th International Conference on Modern Circuits and Systems Technologies (MOCAST)

Comparison of 1T1R and 1C1R ReRAM Arrays

Journal of Physics: Conference Series, Sep 30, 2023

FPGA Crystal Oscillator Circuit Emulation Based on Wave Digital Filter

IEEE Transactions on Very Large Scale Integration (VLSI) Systems

Electromagnetic Technologies for Reservoir Mapping: Technology Review

Day 1 Tue, January 24, 2023

Monitoring fluid saturation and reservoir surveillance are essential techniques for effective res... more Monitoring fluid saturation and reservoir surveillance are essential techniques for effective reservoir management. As reservoirs age and water sweep advances, it becomes more difficult to find infill well placements. Reservoir scale saturation surveillance technologies offer a novel and promising way to optimise hydrocarbon recovery through development decisions. In addition, it can help evaluate sweep efficiency and improve reservoir simulation models. There are currently various proven electromagnetism approaches for reservoir scale saturation monitoring, including cross-well-EM (X-well-EM), Surface to Borehole EM (STB-EM), Borehole to Surface EM (BTS-EM), and EM through the casing. This study will examine all EM technologies. Each technology has unique benefits and drawbacks that determine its field applications and objectives. The X-well-EM technology offers a cross-sectional resistivity profile at the inter-well level, which may be used to map oil zones that have been bypassed...

Passive Selectorless Memristive Structure with One Capacitor-One Memristor

2022 International Conference on Microelectronics (ICM)

2022 IEEE International Symposium on Circuits and Systems (ISCAS)

Emerging memristor-based array architectures have been effectively employed in non-volatile memor... more Emerging memristor-based array architectures have been effectively employed in non-volatile memories and neuromorphic computing systems due to their density, scalability and capability of storing information. Nonetheless, to demonstrate a practical on-chip memristor-based system, it is essential to have the ability to apply large programming voltage ranges during the characterisation procedures for various memristor technologies. This work presents a 16x16 high voltage memristor characterisation array employing high voltage CMOS circuitry. The proposed system has a maximum programming range of ±22V to allow on-chip electroforming and I-V sweep. In addition, a Kelvin voltage sensing system is implemented to improve the readout accuracy for low memristance measurements. This work addresses the limitation of conventional CMOS-memristor platforms which can only operate at low voltages, thus limiting the characterisation range and integration options of memristor technologies.

Analogue Circuits Real-Time Emulation based on Wave Digital Filter

2022 IEEE International Symposium on Circuits and Systems (ISCAS)

2022 IEEE International Symposium on Circuits and Systems (ISCAS)

The memristor, because of its controllability over a wide dynamic range of resistance, has emerge... more The memristor, because of its controllability over a wide dynamic range of resistance, has emerged as a promising device for data storage and analog computation. A major challenge is the accurate measurement of memristance over a wide dynamic range. In this paper, a novel read-out circuit with feedback adjustment is proposed to measure and digitise input current in the range between 20nA and 2mA. The magnitude of the input currents is estimated by a 5-stage logarithmic current-tovoltage amplifier which scales a linear analog-to-digital converter. This way the least significant bit tracks the absolute input magnitude. This circuit is applicable to reading single memristor conductance, and is also preferable in analog computing where read-out accuracy is particularly critical. The circuits have been realized in Bipolar-CMOS-DMOS (BCD) Gen2 technology.

Social Acceptance of Photovoltaic Solar Technology in Saudi Arabia

2022 IEEE Conference on Technologies for Sustainability (SusTech)

RRAM, Device, Model and Memory

2022 International Conference on Microelectronics (ICM), Dec 4, 2022

Concatenated Image Compression and Encryption

2021 4th International Symposium on Advanced Electrical and Communication Technologies (ISAECT)

Study of Microstrip Multiplexers for Satellite Communication Systems

2021 4th International Symposium on Advanced Electrical and Communication Technologies (ISAECT)

A Closed-Loop Readout Circuit with Voltage Drop Mitigation for Emerging Resistive Technologies

A Fully Passive Selectorless ReRAM Array

Experimental Results of 1C1R Structure Based on Knowm Memristor

The Design of a Resistive Switching Characterisation Platform Based on Discrete Current-Conveyors

2023 12th International Conference on Modern Circuits and Systems Technologies (MOCAST)

Comparison of 1T1R and 1C1R ReRAM Arrays

Journal of Physics: Conference Series, Sep 30, 2023

FPGA Crystal Oscillator Circuit Emulation Based on Wave Digital Filter

IEEE Transactions on Very Large Scale Integration (VLSI) Systems

Electromagnetic Technologies for Reservoir Mapping: Technology Review

Day 1 Tue, January 24, 2023

Monitoring fluid saturation and reservoir surveillance are essential techniques for effective res... more Monitoring fluid saturation and reservoir surveillance are essential techniques for effective reservoir management. As reservoirs age and water sweep advances, it becomes more difficult to find infill well placements. Reservoir scale saturation surveillance technologies offer a novel and promising way to optimise hydrocarbon recovery through development decisions. In addition, it can help evaluate sweep efficiency and improve reservoir simulation models. There are currently various proven electromagnetism approaches for reservoir scale saturation monitoring, including cross-well-EM (X-well-EM), Surface to Borehole EM (STB-EM), Borehole to Surface EM (BTS-EM), and EM through the casing. This study will examine all EM technologies. Each technology has unique benefits and drawbacks that determine its field applications and objectives. The X-well-EM technology offers a cross-sectional resistivity profile at the inter-well level, which may be used to map oil zones that have been bypassed...

Passive Selectorless Memristive Structure with One Capacitor-One Memristor

2022 International Conference on Microelectronics (ICM)

2022 IEEE International Symposium on Circuits and Systems (ISCAS)

Emerging memristor-based array architectures have been effectively employed in non-volatile memor... more Emerging memristor-based array architectures have been effectively employed in non-volatile memories and neuromorphic computing systems due to their density, scalability and capability of storing information. Nonetheless, to demonstrate a practical on-chip memristor-based system, it is essential to have the ability to apply large programming voltage ranges during the characterisation procedures for various memristor technologies. This work presents a 16x16 high voltage memristor characterisation array employing high voltage CMOS circuitry. The proposed system has a maximum programming range of ±22V to allow on-chip electroforming and I-V sweep. In addition, a Kelvin voltage sensing system is implemented to improve the readout accuracy for low memristance measurements. This work addresses the limitation of conventional CMOS-memristor platforms which can only operate at low voltages, thus limiting the characterisation range and integration options of memristor technologies.

Analogue Circuits Real-Time Emulation based on Wave Digital Filter

2022 IEEE International Symposium on Circuits and Systems (ISCAS)

2022 IEEE International Symposium on Circuits and Systems (ISCAS)

The memristor, because of its controllability over a wide dynamic range of resistance, has emerge... more The memristor, because of its controllability over a wide dynamic range of resistance, has emerged as a promising device for data storage and analog computation. A major challenge is the accurate measurement of memristance over a wide dynamic range. In this paper, a novel read-out circuit with feedback adjustment is proposed to measure and digitise input current in the range between 20nA and 2mA. The magnitude of the input currents is estimated by a 5-stage logarithmic current-tovoltage amplifier which scales a linear analog-to-digital converter. This way the least significant bit tracks the absolute input magnitude. This circuit is applicable to reading single memristor conductance, and is also preferable in analog computing where read-out accuracy is particularly critical. The circuits have been realized in Bipolar-CMOS-DMOS (BCD) Gen2 technology.

Social Acceptance of Photovoltaic Solar Technology in Saudi Arabia

2022 IEEE Conference on Technologies for Sustainability (SusTech)

RRAM, Device, Model and Memory

2022 International Conference on Microelectronics (ICM), Dec 4, 2022

Concatenated Image Compression and Encryption

2021 4th International Symposium on Advanced Electrical and Communication Technologies (ISAECT)

Study of Microstrip Multiplexers for Satellite Communication Systems

2021 4th International Symposium on Advanced Electrical and Communication Technologies (ISAECT)