Relevant bibliographies by topics / Access Control; MSP430; Microcontroller

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Access Control; MSP430; Microcontroller'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Access Control; MSP430; Microcontroller"

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Seo, Hwajeong, Hyunjun Kim, Kyoungbae Jang, et al. "Compact Implementation of ARIA on 16-Bit MSP430 and 32-Bit ARM Cortex-M3 Microcontrollers." Electronics 10, no. 8 (2021): 908. http://dx.doi.org/10.3390/electronics10080908.

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In this paper, we propose the first ARIA block cipher on both MSP430 and Advanced RISC Machines (ARM) microcontrollers. To achieve the optimized ARIA implementation on target embedded processors, core operations of ARIA, such as substitute and diffusion layers, are carefully re-designed for both MSP430 (Texas Instruments, Dallas, TX, USA) and ARM Cortex-M3 microcontrollers (STMicroelectronics, Geneva, Switzerland). In particular, two bytes of input data in ARIA block cipher are concatenated to re-construct the 16-bit wise word. The 16-bit word-wise operation is executed at once with the 16-bit instruction to improve the performance for the 16-bit MSP430 microcontroller. This approach also optimizes the number of required registers, memory accesses, and operations to half numbers rather than 8-bit word wise implementations. For the ARM Cortex-M3 microcontroller, the 8×32 look-up table based ARIA block cipher implementation is further optimized with the novel memory access. The memory access is finely scheduled to fully utilize the 3-stage pipeline architecture of ARM Cortex-M3 microcontrollers. Furthermore, the counter (CTR) mode of operation is more optimized through pre-computation techniques than the electronic code book (ECB) mode of operation. Finally, proposed ARIA implementations on both low-end target microcontrollers (MSP430 and ARM Cortex-M3) achieved (209 and 96 for 128-bit security level, respectively), (241 and 111 for 192-bit security level, respectively), and (274 and 126 for 256-bit security level, respectively). Compared with previous works, the running timing on low-end target microcontrollers (MSP430 and ARM Cortex-M3) is improved by (92.20% and 10.09% for 128-bit security level, respectively), (92.26% and 10.87% for 192-bit security level, respectively), and (92.28% and 10.62% for 256-bit security level, respectively). The proposed ARIA–CTR implementation improved the performance by 6.6% and 4.0% compared to the proposed ARIA–ECB implementations for MSP430 and ARM Cortex-M3 microcontrollers, respectively.
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Ji, Ling. "Control System Design Based on MSP430 Microcontroller." Advanced Materials Research 1030-1032 (September 2014): 1438–41. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.1438.

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Single-chip microcomputer MSP430F44 is the core control chip of the multifunction TIG welding controller, MCU is produced by TI and 16-bit flash type, the chip control system uses C430 language to modular software programming, coordination with other subroutines by the main program module , through a simple interface conditioning circuitry on a TIG welder can achieve a variety of welding processes, the welding flexible demand is satisfied. One of the most important module of the welding current waveform generator module, the welding waveform parameters are automatically generated by two way, one is the welding methods, the other is the welding parameters, then judge the input signal of the welding gun, when the gun is pressed, the corresponding waveform output; the welding current waveform output can be achieved using this software, is displayed on the welding current waveform generator.
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T.K, Smitha, and Pritum Shah. "SOLID STATE RELAY SWITCHES CONTROL USING MSP 430 FOR INSTANTANEOUS HIGH CURRENT SUPPLY." International Journal of Research -GRANTHAALAYAH 5, no. 4RACEEE (2017): 130–40. http://dx.doi.org/10.29121/granthaalayah.v5.i4raceee.2017.3335.

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Microcontroller MSP430 is used to control the SSR switches to supply a very high current. PC is interfaced to the supercomputer for computations. SSR and contactor switches are used to pass the current. Capacitor discharge system is also used to supply a very high current around 170-200A. High current is passed to the sample specimen placed inside the heater which needs to be heated at a very high temperature. The current pulse is generated by the capacitor discharge system. Power supply for regular heater is suspended temporarily and capacitor is allowed to discharge using the Capacitor discharge heating. This is achieved by the instructions through the computer to the microcontroller. Current injection at the particular instant is done with the help of a software by initiating an interrupt from the computer. The interrupt pin of the microcontroller becomes high by this and the operation is initiated correspondingly. Thus the MSP430 receives the command to give the necessary pulse of current for heating at the required time. Feedback is received with regard to the position of the switches whether the particular SSR is ON or OFF. Injection of power depends on the corresponding switch positions by giving the necessary instructions by the computer.
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Gao, Mei Feng, and Shao Peng Yang. "Design of Spectral Acquisition System Based on the Linear Array CCD ILX554B." Applied Mechanics and Materials 556-562 (May 2014): 1926–31. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.1926.

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The linear array CCD spectral acquisition system for a Photoelectric Direct Reading Spectrometer is presented. The spectral acquisition circuit, data processing and shortage circuit are designed. Taking microcontroller MSP430 as a control chip, Using PWM signals generated by MSP430 timer, the correct timing of CCD clock pulse, ADC clock and FIFO write enable signal was established. The experiment shows that the synchronization of spectral acquisition, data conversion and shortage was achieved, and the spectral acquisition system is feasible and reliability.
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Wang, Yin. "Design Car Warning System Based on Wireless Communication." Advanced Materials Research 1065-1069 (December 2014): 3297–300. http://dx.doi.org/10.4028/www.scientific.net/amr.1065-1069.3297.

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Design using MSP430 microcontroller core, control GSM wireless communication module implements remote car alarm warning systems, from system components, as well as hardware and software design works done in detail, the system triggers an alarm through the sensor module, enter through the microcontroller to TC35i AT command so that it can promptly send a short message to alert the owner, breaking the traditional alarm distance limitations, with good market prospects.
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Rahane, Prof S. B. "An Ultra Low Powered MSP430 Microcontroller Based Control System for a Composting Process." International Journal of Computer Applications 1, no. 15 (2010): 65–68. http://dx.doi.org/10.5120/321-489.

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Li, Ye, and He Chen. "Design of Intelligent Li-Ion Battery Charger." Applied Mechanics and Materials 303-306 (February 2013): 1878–82. http://dx.doi.org/10.4028/www.scientific.net/amm.303-306.1878.

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To achieve fast charging of lithium battery, based on MSP430 microcontroller, an intelligent Li-ion battery charging system was designed with voltage and current detection function. By collecting voltage and current values and making judgment on charging states of batteries, Pulse Width Modulation signal (PWM) was adjusted to realize high-precision charging control. The unit modules and their driving software flow chart were presented. The experiment results show that the charging system takes only 1 hour for a lithium battery to be charged. The system is faster than ordinary chargers which need 2-3 hours to finish charging. So the charging system shortens the charging time effectively.
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Karawita, W. S. R. M. Charls, Dhishan Dhammearatchi, and Rajeewa De Silva. "Access Control & Security Alarm System for BTS Management with Microcontroller." CINEC Academic Journal 4 (December 1, 2020): 1. http://dx.doi.org/10.4038/caj.v4i0.24.

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Wu, Shing-Lih, Hung-Cheng Chen, and Chih-Hsuan Chien. "A Novel Active Cell Balancing Circuit and Charging Strategy in Lithium Battery Pack." Energies 12, no. 23 (2019): 4473. http://dx.doi.org/10.3390/en12234473.

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A novel, active cell balancing circuit and charging strategy in lithium battery pack is proposed in this paper. The active cell balancing circuit mainly consists of a battery voltage measurement circuit and switch control circuit. First, all individual cell voltages are measured by an MSP430 microcontroller equipped with an isolation circuit and a filter circuit. Then, the maximum cell voltage difference is calculated by subtracting the minimum cell voltage from the maximum cell voltage. When the maximum cell voltage difference exceeds 0.05 V, the balancing action starts to carry on. The MSP430 microcontroller output controls signals to close the switches corresponding to the battery cell with the maximum voltage. At this time, the balancing charge power performs a balancing charge for other batteries, except for the one that is switched on. In addition, a three-stage balancing charge strategy is also proposed in this paper to achieve the goal of speedy charging with balancing action. In the first stage, a 0.5 C balancing current is used to perform pre-balanced charging on all battery cells until the maximum cell voltage difference is less than 0.05 V, which is required for entry to the second stage of charging. In the second stage, constant current charging of 1 C, coupled with 0.2 C balancing current charging is carried out, until the maximum battery cell voltage reaches 4.2 V, which is required for entry into the third stage of charging. In the third stage, a constant voltage charging is coupled with 0.2 C balancing current charging, until the maximum battery cell voltage reaches 4.25 V, which is required to complete the balancing charge. The imbalance of power between the battery cells during battery pack charging, which reduces battery charging efficiency and battery life, is thus effectively improved. In this paper, a six-cells-in-series and two-in parallel lithium battery pack is used to perform a balancing charge test. Test results show that the battery cells in the battery pack are capable of quickly completing a balancing charge under different initial voltages, the maximum voltage difference is reduced to within the range of 0.05 V, and the total time required for each balancing charge is approximately 3600 s.
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Гога, М. В. "Color image control information without hardware resources of microcontroller using direct memory access." ВІСНИК СХІДНОУКРАЇНСЬКОГО НАЦІОНАЛЬНОГО УНІВЕРСИТЕТУ імені Володимира Даля, no. 5(253) (September 5, 2019): 41–43. http://dx.doi.org/10.33216/1998-7927-2019-253-5-41-43.

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The approach of the control the color informational display using modern technologies to simplify the implementation of the data transfer protocol and minimize the use of hardware costs in the conditions of instantaneous and extra-large data transfer in continuous mode was considered in the paper. The software and hardware implementation of the control based on STM32F103C8T6 microcontroller using ARM Cortex-M3 technology, WS2812B color LED ribbon and direct memory access technology was proposed.
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Dissertations / Theses on the topic "Access Control; MSP430; Microcontroller"

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Fulbright, Jr Thomas. "DESIGN IMPLEMENTATION OF A MICROCONTROLLER BASED EXTERNAL FACILITY ACCESS CONTROL SYSTEM." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2830.

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In order to solve the College of Engineering and Computer Science facility access problem, an automated system that provides exterior doors with a time schedule and allows authorized users to gain access to the facility after hours was developed. A microcontroller based system has been designed to interface with a personal computer. The system designed within this thesis can be used as a starting point for multiple facility access control systems. This thesis will describe the design, integration, test, and final delivery of a facility access system that incorporates the Texas Instruments MSP430 microcontroller, a magnetic card swipe reader, and software developed in Microsoft Visual Basic .Net to provide a reliable and robust system for the College of Engineering and Computers Sciences needs.<br>M.S.Cp.E.<br>Department of Electrical and Computer Engineering<br>Engineering and Computer Science<br>Computer Engineering
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Chou, YI-Fung, and 周逸鋒. "The Application of Temperature Control Based on MSP430 Microcontroller in Car." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/52980758942824736076.

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碩士<br>龍華科技大學<br>電機工程系碩士班<br>102<br>The Microcontroller began in 1980s, this technology originated with General Instrument. Microcontroller features of volume, low-price, multi-function and easy to use. Microcontroller has been widely applied in many fields, such as biomedical technology, motor control, computers, vending machines, sirens, and so on. Many MCU also launched, such as 8051,PIC,HT,MPC. This paper mainly discusses MSP430 by Texas Instrument developed. MSP430 the main characteristics for low power. Diverse need, launched the MSP430 series family and variety of packaging. MSP430 have highly integrated, saving many peripheral circuits. MSP430 is not only easy to use, but also the function is very powerful. Due to the limited MSP430 development time. Although there are many powerful features, but most users are not familiar, and domestic-related information is extremely scarce. Therefore, this article discusses the use of MSP430 microcontroller internal ADC12 module converts the analog signal into a digital temperature signal through the monitor output, and the servo motor uses to simulate the compressor (air-conditioned) in car.
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Books on the topic "Access Control; MSP430; Microcontroller"

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Analog and digital circuits for electronic control system applications: Using the TI MSP430 microcontroller. Elsevier/Newnes, 2005.

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Book chapters on the topic "Access Control; MSP430; Microcontroller"

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Lin, Cheng-Min, and Tzong-Jye Liu. "Data Communications Inside Vehicular Environments." In Wireless Technologies. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-61350-101-6.ch320.

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ZigBee is based on IEEE 802.15.4 which specifies the physical layer and medium access control (MAC) for low-cost and low-power LR-WPAN. The technology can be applied in intelligent key, A/C operation and steering wheel inside vehicles. There are two types of devices in ZigBee, FFD and RFD. A FFD can communicate with RFDs and other FFDs, while a RFD can only communicate with a FFD. In ZigBee physical layer, it follows IEEE 802.15.4 standard and operates in unlicensed RF worldwide (2.4GHz global, 915MHz Americas or 868 MHz Europe). A superframe contained an active portion and an inactive portion is used in the MAC layer of ZigBee. The active portion includes CAP and CFP. In the inactive partition, the coordinator can enter sleep mode to save its power. Three main topologies of ZigBee are star, mesh, and tree. However, ZigBee is successfully produced into a low-cost controller applied for automotive applications, including vehicle control and status monitoring. According to the forecast of ON World in 2005 (ON WORLD, 2009), the deployed wireless sensing network nodes will increase to 127 million in 2010 from 1.2 million in 2005. It can be applied in home automation, battlefield surveillance, health care applications and vehicular environments. A wireless sensor network (WSN) constitutes a lot of wireless sensing nodes. In addition, a node in WSN consists of one or more sensors, a radio transceiver, and a microcontroller. The sensor can be used for sensing temperature, pressure, sound, vibration, motion or position, etc. to collect status from devices or environments. The transceiver is used to relay the information of the collected status computed by the microcontroller to a center node, called a gateway or sink. Therefore, a WSN belongs to one type of wireless ad-hoc networks. However, the nodes in a WSN are usually smaller than that in traditional wireless ad-hoc networks regarding node size, computing power, memory size, and transmission rage. In other words, the transmission ability, computing power, and memory size of WSN nodes are limited.
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Allard, Tristan, Nicolas Anciaux, Luc Bouganim, Philippe Pucheral, and Romuald Thion. "Trustworthiness of Pervasive Healthcare Folders." In Digital Rights Management. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-2136-7.ch043.

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During the last decade, many countries launched ambitious Electronic Health Record (EHR) programs with the objective to increase the quality of care while decreasing its cost. Pervasive healthcare aims itself at making healthcare information securely available anywhere and anytime, even in disconnected environments (e.g., at patient home). Current server-based EHR solutions badly tackle disconnected situations and fail in providing ultimate security guarantees for the patients. The solution proposed in this chapter capitalizes on a new hardware device combining a secure microcontroller (similar to a smart card chip) with a large external Flash memory on a USB key form factor. Embedding the patient folder as well as a database system and a web server in such a device gives the opportunity to manage securely a healthcare folder in complete autonomy. This chapter proposes also a new way of personalizing access control policies to meet patient’s privacy concerns with minimal assistance of practitioners. While both proposals are orthogonal, their integration in the same infrastructure allows building trustworthy pervasive healthcare folders.
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Conference papers on the topic "Access Control; MSP430; Microcontroller"

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Chun Jiao, Guojian Cheng, Ming Tang, and Shipei Chen. "Portable monitoring instrument of physiological parameter based on MSP430 microcontroller." In 2016 IEEE Advanced Information Management, Communicates, Electronic and Automation Control Conference (IMCEC). IEEE, 2016. http://dx.doi.org/10.1109/imcec.2016.7867529.

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Durga prasad, B. C., and N. Venkata Rama Krishna. "Synthesis of a TI MSP430 microcontroller core using Multi-Voltage methodology." In 2010 IEEE International Conference on Communication Control and Computing Technologies (ICCCCT). IEEE, 2010. http://dx.doi.org/10.1109/icccct.2010.5670534.

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Kiyan, Tuba, Heiko Lohrke, and Christian Boit. "Comparative Assessment of Optical Techniques for Semi-Invasive SRAM Data Read-out on an MSP430 Microcontroller." In ISTFA 2018. ASM International, 2018. http://dx.doi.org/10.31399/asm.cp.istfa2018p0266.

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Abstract This paper compares the three major semi-invasive optical approaches, Photon Emission (PE), Thermal Laser Stimulation (TLS) and Electro-Optical Frequency Mapping (EOFM) for contactless static random access memory (SRAM) content read-out on a commercial microcontroller. Advantages and disadvantages of these techniques are evaluated by applying those techniques on a 1 KB SRAM in an MSP430 microcontroller. It is demonstrated that successful read out depends strongly on the core voltage parameters for each technique. For PE, better SNR and shorter integration time are to be achieved by using the highest nominal core voltage. In TLS measurements, the core voltage needs to be externally applied via a current amplifier with a bias voltage slightly above nominal. EOFM can use nominal core voltages again; however, a modulation needs to be applied. The amplitude of the modulated supply voltage signal has a strong effect on the quality of the signal. Semi-invasive read out of the memory content is necessary in order to remotely understand the organization of memory, which finds applications in hardware and software security evaluation, reverse engineering, defect localization, failure analysis, chip testing and debugging.
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Geralde, Dexter D., Milton M. Manaloto, Dionn Elijah D. Loresca, Jacqueline D. Reynoso, Eden T. Gabion, and Gabriel Rodnei M. Geslani. "Microcontroller-based room access control system with professor attendance monitoring using fingerprint biometrics technology with backup keypad access system." In 2017 IEEE 9th International Conference on Humanoid, Nanotechnology, Information Technology, Communication and Control, Environment, and Management (HNICEM ). IEEE, 2017. http://dx.doi.org/10.1109/hnicem.2017.8269432.

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Parmar, Chandrasinh D., V. V. Dwivedi, and H. H. Wandra. "Firmware for file transfer between Bluetooth module and flash memory through microcontroller in an emerging concept of wireless portable memory access." In 2010 IEEE International Conference on Communication Control and Computing Technologies (ICCCCT). IEEE, 2010. http://dx.doi.org/10.1109/icccct.2010.5670781.

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Meraj, Mohammad, Atif Iqbal, Nasser MA Emadi, Prathap Reddy Bhimireddy, and Chowdhary Muhammad Enamul Hoque. "Electronic Ventilator for COVID-19 Patient treatment." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0301.

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In response to expected shortages of ventilators caused by COVID-19 pandemic, globally many organizations and institutes have developed low cost and high rate production ventilators. Many of these ventilators are mechanical type and pneumatic type which are easy to produce but do not have all the necessary control parameters and their options as per the patient requirements. Furthermore, their failure rate is very high and computer interfacing and control is difficult. To address all the drawbacks of the available ventilator, power electronic motor drive based digitally controlled ventilator is designed, developed and tested in the Qatar University Laboratory. It consists of semiconductor switches based inverter driven by the microcontroller to run the BLDC (brushless direct current) motor. All the parameters such as pressure, rate of flow and volume required is successfully tuned and trained to the microcontroller. As per the patient requirement, it can deliver the required amount of the oxygen into the patient’s body and similarly removes the exhaling air from inside. As all the control process is happening by the microcontroller, all the safety, sound and valves can be easily integrated to reduce the risk for the patient. Minimal number of access control buttons are provided to use the developed ventilator so that it can be easily used by all kinds of hospital nurses.
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