Ultra-low power microcontrollers for portable, wearable, and implantable medical electronics

Sridhara,

doi:10.1109/aspdac.2011.5722252

Cited by 9 publications

(4 citation statements)

References 13 publications

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“…To overcome these limitations, the technology that was chosen must be agile, support the camera hardware, and be powerefficient. In searching through the currently available technologies, the health care field has assessed microcontrollers as potential medical electronics as it is cost-efficient and powerefficient [17]. Because of this, microcontrollers were chosen for this project as the most suitable solution to all the constraints.…”

Section: Real-time Video From Miniature Trainsmentioning

confidence: 99%

Interactive museum exhibits with embedded systems: A use‐case scenario

Wong

Shimojo

Teranishi

et al. 2017

Concurrency and Computation

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The feasibility of using embedded systems in real life applications is becoming more widespread. These applications have grown from do-it-yourself (DIY) projects of computer enthusiasts or robotics projects to larger scale efforts and deployments. This paper describes a scenario that deployed a prototype application that allows the public to interact with features of a model and view videos from a first-person perspective on the train. Through testing the embedded systems and their usage in a public setting, it was demonstrated that interactive features could be implemented in model train exhibits, which are featured in traditional museum environments that lack technical infrastructure. Specifically, the Arduino and Raspberry Pi provide the necessary linkages between the Internet and hardware, allowing for a greater interactive experience for museum visitors. These results provide an important use-case scenario and lessons learned that cultural heritage institutions can utilize when implementing embedded systems on a larger scale, for the purpose of increasing visitors' experience through greater interaction and engagement. Categories and Subject DescriptorsC.3 Special-purpose and application-based systems: Microprocessor/microcomputer applications. J.5 Arts and humanities.

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Section: Real-time Video From Miniature Trainsmentioning

confidence: 99%

Interactive museum exhibits with embedded systems: A use‐case scenario

Wong

Shimojo

Teranishi

et al. 2017

Concurrency and Computation

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“…The chip manufactured by NXP holds the part number LPC11U35. These efficient 32bit micro-controllers (MCU) are increasingly being adopted for the next generation low power biomedical embedded solutions [23] [24]. The Cortex M0 does not include a floating point unit and is able to perform bitwise operations and integer additions in a single cycle [25], making it a prime candidate for benchmarking the proposed optimization techniques.…”

Section: Testing Proceduresmentioning

confidence: 99%

Reducing Power and Cycle Requirement for Fast Fourier Transform of Electrocardiogram Signals Through Low Level Arithmetic Optimizations for Cardiac Implantable Devices

Mostafa

John

2016

Journal of Low Power Electronics

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The Fast Fourier Transform or FFT remains to be the de facto standard in almost all disciplines for computing discrete Fourier transform. In embedded biomedical applications, efficient signal processing algorithms such as FFT for spectrum analysis are indispensable. The FFT is an O(Nlog2N) algorithm which requires complex multiplication and addition using floating point numbers. On extremely power constrained embedded systems such as cardiac pacemakers, floating point operations are very cycle intensive and costly in terms of power. This work aims to exploit the repetitive nature of the Electrocardiogram (ECG) to reduce the number of total arithmetic operations required to execute a 128 point FFT routine. Using the simple concept of lookup tables, the proposed algorithm is able to improve both the performance and energy footprint for computing the FFT of the ECG data. An increase of 9.22% in computational speed and an improvement of 10.1% in battery life on a 32 bit embedded platform for a standard split-radix-2 FFT routine is achieved. The concept is tested using actual ECG data collected from PhysioNet

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“…By considering the suitable phase shift, the cross-regulation problem can be prevented [22,27,31]. Duty cycles allocated A low-power microcontroller whose power consumption is reduced by the software is employed to control the whole system [28][29][30][31]. Furthermore, this paper proposed a unique ZCS technique using a simple voltage level detector to determine the optimal value of the inductor discharge duty cycle.…”

Section: Introductionmentioning

confidence: 99%

Design and implementation of a novel zero‐current switching method for low‐power DC–DC converters

Hosseini

Sheikhaei

Davari

2023

IET Power Electronics

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This paper introduces a unique zero‐current switching (ZCS) technique for low‐power dc–dc converters. In this paper, a single‐inductor dual‐input triple‐output converter is considered to apply this new technique, which can be generalized for converters with more inputs and outputs and high‐power and energy‐harvesting applications. The first input of this converter can be connected to any source that can produce energy, such as photovoltaic (PV) cells or thermoelectric generator (TEG), and the second input can be considered a battery. The proposed converter is implemented discretely, and a low‐power microcontroller whose power consumption is reduced by the software is employed to control the whole system. In the proposed ZCS method, the current sensor is not used, and only a simple voltage level detector is employed to detect the inductor voltage level in order to determine the optimal value of the inductor discharge duty cycle. This converter works in discontinuous conduction mode (DCM) and uses pulse width modulation (PWM) and the time‐multiplexing strategy (TMS). The main focus of this paper is on designing and implementing a digital control algorithm based on this new ZCS technique in order to increase efficiency.

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Ultra-low power microcontrollers for portable, wearable, and implantable medical electronics

Cited by 9 publications

References 13 publications

Interactive museum exhibits with embedded systems: A use‐case scenario

Interactive museum exhibits with embedded systems: A use‐case scenario

Reducing Power and Cycle Requirement for Fast Fourier Transform of Electrocardiogram Signals Through Low Level Arithmetic Optimizations for Cardiac Implantable Devices

Design and implementation of a novel zero‐current switching method for low‐power DC–DC converters

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