Md. Syedul Amin

Radar and radio cannot pickup the low flying aircraft due to the limitation of radar horizon, which severely poses flight hazards. As such, tracking of the low altitude aircraft in real-time is a dire need. Global Navigation Satellite System (GNSS) receiver can provide position from the satellites. On the other hand, Global System for Mobile Commun...

AHRS is an important system that provides the 3-dimensional orientation (roll, pitch and yaw or heading) of an aircraft from which the flying performance can be evaluated. The avionics of aircraft are very sophisticated and majority of them do not allow any external interface for logging. As such, a standalone external AHRS is needed which should b...

Low altitude helicopters are difficult to track due to the limitation of radar horizon, which may cause severe flight hazard. Thus, tracking of helicopter in real time is vital. There are various ways to track low flying helicopter, such as aircraft to ground data link, satellite phone etc. But the Global System for Mobile Communications (GSM) netw...

Background/Objectives: Emergency Rescue Service could save many lives if the accident location could be intimated automatically. Accident location is generally acquired from Global Positioning System (GPS). However, location cannot be determined during GPS outage. Methods/Statistical Analysis: This paper proposes an accident detection system by det...

This paper proposes a simple design of a flash analog-to-digital converter (ADC) in 0,18 μm CMOS technology. This ADC is expected to be used within a temperature sensor, which provides analog data output having a range of 360 mV to 560 mV. This system consists of three main blocks: the threshold inverter quantization (TIQ)-comparator, encoder and p...

Total power dissipation in CMOS circuits has become a huge challenging in current semiconductor industry due to the leakage current and the leakage power. The exponential growth of both static and dynamic power dissipations in any CMOS process technology option has increased the cost and efficiency of the system. Technology options are used for the...

Precise navigation is a vital need for many modern vehicular applications. The global positioning system (GPS) cannot provide continuous navigation information in urban areas. The widely used inertial navigation system (INS) can provide full vehicle state at high rates. However, the accuracy diverges quickly in low cost microelectromechanical syste...

Crash detection sensors play a vital role in vehicular safety applications. One of the major applications of these sensing systems is the use in occupant restraint systems. Besides, sensors are extensively used in the accident mitigation and advanced vehicle control system. Crash sensors have advanced significantly in the last few decades. Yet, exi...

A low-cost accident detection system utilizing cheap ADXL345 accelerometers and GPS receiver is proposed in this communication. The accident detection algorithm was developed based on sudden deceleration. The double integration of the acceleration and heading from the tilt angles of accelerometers were used to determine the location. Kalman fil...

Vehicle navigation is a crucial requirement for many applications. Global Positioning System (GPS) can provide accurate navigation information. But the GPS performance degrades and even a complete outage may occur in urban areas due to line of sight problem. Inertial Navigation System (INS) can provide navigation information during a GPS outage. Ho...

Radio frequency identification (RFID) is the utilization of the radio frequency for the purpose of identification. RFID is lagging behind due to vendor specific solutions and excessive implementation cost. A Wireless Fidelity (WiFi) compatible IEEE 802.11 RFID tag can overcome these limitations. IEEE 802.11 utilizes Direct Sequence Spread Spectrum...

Many accident victim lives could have been saved if vehicle accident information could be intimated to an evergencey rescue center automatically. This paper proposes an accident detection and location system by determining the deceleration and data fusion from accelerometers and GPS. The bias, drift and noise errors of accelerometers and GPS outage...

Linear voltage regulator is inevitable in most electronic systems and demands low power and low area. A low dropout (LDO) linear voltage regulator is proposed in this paper by utilizing Current Feedback Amplifier (CFA) technology. The design achieves low power and low area by reducing the internal compensation capacitor and resistors. The simulated...

GPS (Global Positioning System) has become an integral part of a vehicle system which provides speed, time, direction etc besides the navigation data. Speed is one of the primary attributes of vehicle accident. Many lives could have been saved if emergency service could receive accident information timely. This paper proposes to detect an acci...

Low Noise Amplifier (LNA) is a significant part in Radio Frequency (RF) receivers and plays a key role in the chip size and the implementation cost. An LNA for RF receivers utilizing the active inductor is presented. The proposed design is an alternative solution to overcome the usage of passive inductors to reduce the chip area. Besides, the activ...

An enhanced charge pump circuit utilizing charge-transfer-switch (CTS) to direct charge flow with improved voltage pumping gain is proposed in this paper. The diodeconfigured output stage limitation is managed through the pumping of output stage by the clock of improved charge pump circuit. Using Mentor Graphics, the proposed charge pump circuit is...

Radio frequency identification (RFID) is lagging behind because of vendor specific solutions and expensive implementation cost. In particular, the reader is the most expensive part. A WiFi compatible tag was proposed to use the WNIC as an RFID reader. However, no specific modulator or demodulator was suggested. This paper analyzes the various IEEE...

Complementary Metal Oxide Semiconductor (CMOS) Image Sensors technology since their innovation has been changed a lot. Previously, CMOS technology was not so powerful to be considered as the competitor with couple charged devices. However, current CMOS Image Sensors (CIS) gain a huge market share by offering many advantages such as lower voltage op...

Speed is one of the basic reasons for vehicle accident. Many lives could have been saved if emergency service could get accident information and reach in time. Nowadays, GPS has become an integral part of a vehicle system. This paper proposes to utilize the capability of a GPS receiver to monitor speed of a vehicle and detect accident basing on mon...

This study describes a hardware modeling environment of built-in-self-test (BIST) for System on Chip (SOC) testing to ease the description, verification, simulation and hardware realization on Altera FLEX10K FPGA device. The very high speed hardware description language (VHDL) model defines a main block, which describe the BIST for SOC through a be...

The present state and next state of sequential circuits are not independently controllable and observable. As such, the testing of sequential circuit is complicated. This study presents an approach to design and develop a VLSI system for the simultaneous logic and IDDQ testing of CMOS ICs with mixed-mode testing facility for sequential circuits. Th...

A pipeline floating point arithmetic logic unit (ALU) design using very high speed hardware description language (VHDL) is introduced. The novelty of the ALU is it gives high performance through the pipelining concept. Pipelining is a technique where multiple instruction executions are overlapped. In the top-down design approach, four arithmetic mo...

The evolution process of Complementary Metal Oxide Semiconductor (CMOS) is very important for the modern technology. CMOS beyond 22nm and toward 7nm faced many challenges and opportunities in design. The downsizing evolution is reviewed on scaling theory as well as limitation issues focusing on performance, power utilization, economical, technologi...

For controlling complex processes, satisfactory temperature controllers are not produced by the present conventional approximations. As such, industries suffer from variety of disadvantages which can be overall slow response, slow stabilization and overshooting. The research has proposed a temperature controller using fuzzy logic to be implemented...

A sense amplifier for EEPROM memory competent of functioning under a very low-voltage power supply is presented. The sense amplifier was designed for an EEPROM realized with a 0.18-μm CMOS technology. Key design techniques of power dissipation optimization for EEPROM memory are described. The topology of the sense amplifier uses a pure voltage-mode...

The signal strength of the maternal ECG (MECG) is usually many times that of the fetal ECG (FECG). Separating FECG from abdominal ECG (AECG) is therefore always a challenge. Some multiple-lead algorithms use the thoracic MECG to cancel the MECG in the AECG to get FECG, though this is inconvenient for the patient during long-term monitoring. Hence,...

Fetal electrocardiogram (FECG) signal contains potentially precise information that could assist clinicians in making more appropriate and timely decisions during pregnancy period and labour. Fetal condition may change abruptly during the pregnancy period. Therefore, continuous FECG monitoring will ease the fetal well-being. This paper describes an...

This study describe the realization of a signature verification and forgery detection system on Ahera FLEX10K FPGA device that allows for efficient hardware implementation. The system follows five steps to perform the signature verification which are data acquisition, preprocessing, comparison process and decision process. Mamdani-type fuzzy infere...

Problem statement: Real-time secure image and video communication is challenging due to the processing time and computational requirement for encryption and decryption. In order to cope with these concerns, innovative image compression and encryption techniques are required. Approach: In this research, we have introduced partial encryption techniqu...