Relevant bibliographies by topics / Digital Signal Controller (DSC)

Contents

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

Academic literature on the topic 'Digital Signal Controller (DSC)'

Author: Grafiati
Published: 4 June 2021
Last updated: 16 February 2022

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Journal articles on the topic "Digital Signal Controller (DSC)"

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Huang, Shan Yun, Zhao Bo Chen, and Feng Chen Tu. "Intelligent Driver for Magneto-Rheological Damper Based on Digital Signal Controller." Applied Mechanics and Materials 462-463 (November 2013): 788–93. http://dx.doi.org/10.4028/www.scientific.net/amm.462-463.788.

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A novel intelligent driver based on digital signal controller (DSC) has been put forward for magneto-rheological (MR) damper. The working principles of MR damper were described, as well as the hardware circuit scheme of signal condition and MR damper driver etc. on account of TMS320F28335 DSC. A hierarchical control algorithm was designed and the studies for the performance of the driver were conducted. The results suggest that the driver could provide accurate drive current for MR damper, and meanwhile the respond time is less than 2ms, which can meet the drive requirements of MR damper.
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Soman, Sarun, and Sangeetha T.S. "Development of Digital Controller for DC-DC Buck Converter." International Journal of Power Electronics and Drive Systems (IJPEDS) 6, no. 4 (December 1, 2015): 788. http://dx.doi.org/10.11591/ijpeds.v6.i4.pp788-796.

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This paper presents a design & implementation of 3P3Z (3-pole 3-zero) digital controller based on DSC (Digital Signal Controller) for low voltage synchronous Buck Converter. The proposed control involves one voltage control loop. Analog Type-3 controller is designed for Buck Converter using standard frequency response techniques.Type-3 analog controller transforms to 3P3Z controller in discrete domain.Matlab/Simulink model of the Buck Converter with digital controller is developed. Simualtion results for steady state response and load transient response is tested using the model.
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Górecki, Krzysztof. "The use of Delfino digital signal controller in power inverter." ITM Web of Conferences 28 (2019): 01017. http://dx.doi.org/10.1051/itmconf/20192801017.

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This article analyzes the implementation of control algorithm for a single-phase power inverter using digital signal controller (DSC). For this purpose, a floating-point digital signal controller with a trigonometric math unit was used. The controller’s task was to control the H-bridge through a dedicated driver for power MOSFET transistors. For this task, transistors made in NexFET technology with low channel resistance were used. The H-bridge is the main power device of a single-phase, two-level power inverter powered by a 12V battery. As a modulation method, regular modulation with carrier signal using a triangular signal was used. The main aim was to show the digital signal controller’s performance in real-time control of power inverters and to present the maximum sampling frequency of the inverter that can be obtained for the example having been analyzed.
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González-Castaño, Catalina, Carlos Restrepo, Roberto Giral, Enric Vidal-Idiarte, and Javier Calvente. "ADC Quantization Effects in Two-Loop Digital Current Controlled DC-DC Power Converters: Analysis and Design Guidelines." Applied Sciences 10, no. 20 (October 15, 2020): 7179. http://dx.doi.org/10.3390/app10207179.

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This paper analyzes the presence of undesired quantization-induced perturbations (QIP) in a dc-dc buck-boost converter using a two-loop digital current control. This work introduces design conditions regarding control laws gains and signal quantization to avoid the quantization effects due to the addition of the outer voltage loop in a digital current controlled converter. The two-loop controller is composed of a multisampled average current control (MACC) in the inner current-programmed loop and a proportional-integrator compensator at the external loop. QIP conditions have been evaluated through simulations and experiments using a digitally controlled pulse width modulation (DPWM) buck-boost converter. A 400 V 1.6 kW proof-of-concept converter has been used to illustrate the presence of QIP and verify the design conditions. The controller is programmed in a digital signal controller (DSC) TMS320F28377S with a DPWM with 8.96-bit equivalent resolution, a 12-bit ADC for current sampling, and a 12-bit ADC for voltage sampling or a 16-bit ADC for voltage error sampling.
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Selvaraj, Santthosh, Erkan Bayram, and Renato Nega. "Comparison of System-Level Design Approaches on Different Types of Digitally-Controlled Ring-Oscillator." Technologies 9, no. 2 (May 19, 2021): 38. http://dx.doi.org/10.3390/technologies9020038.

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This paper presents a comparative study between two different implementations of digitally-controlled-oscillators (DCOs), whcih is the DAC-based and the digital controller-based DCO in TSMC 65 nm CMOS technology. This paper focuses on ring-oscillator architectures due to their high stability against PVT. The DAC-based oscillator implements a differential architecture, and the digital controller-based architecture operates in a single-ended signal. The SFDR of the DAC-based DCO is 77.2 dBc and controller-based DCO is 56.8 dBc at 125 MHz offset. The Monte-Carlo simulation gives a deviation of 7.4% and 8.5% for the DAC-based and controller-based DCO, respectively. The phase noise performance of the DAC-based DCO and controller-based DCO is −78.9 dBc/Hz and −81.3 dBc/Hz at 1 MHz offset, respectively. The implementations are given and compared according to their performance based on post-layout simulation results.
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Jiang, Wei, Jieyun Wang, Qianlong Wang, Song Xu, Seiji Hashimoto, and Zhong Liu. "Design and Implementation of a Low-Power Low-Cost Digital Current-Sink Electronic Load ‡." Energies 12, no. 13 (July 7, 2019): 2611. http://dx.doi.org/10.3390/en12132611.

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Electronic load (e-load) is essential equipment for power converter performance test, where a designated load profile is executed. Electronic load is usually implemented with the analog controller for fast tracking of the load profile reference. In this paper, a low-power low-cost electronic load is proposed. MOSFETs (metal-oxide-semiconductor field-effect transistors) are used as the power consumption devices, which are regulated to the active region as controlled current-sink. In order to achieve fast transient response using the low-cost digital signal controller (DSC) PWM peripherals, the interleaving PWM method is proposed to achieve active current ripple mitigation. To obtain the system open-loop gain for current-sink operation, an offline digital system identification method, followed by model reduction, is proposed by applying Pseudo-Random Binary Sequence (PRBS) excitation. Pole-zero cancelation method is used in the control system design and later implemented in a DSC. The prototype is built and tested, in which meaningful testing scenarios under constant current-sink mode, pulse current sink mode, and double line-frequency current mode are verified. The experimental results indicate that the proposed e-load can sink pre-programmed current profile with well-attenuated ripple for static and dynamic load testing, and is applicable to fully digitalized power testing equipment.
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Curi Busarello, Tiago Davi, Kamran Zeb, and Marcelo Godoy Simões. "Highly Accurate Digital Current Controllers for Single-Phase LCL-Filtered Grid-Connected Inverters." Electricity 1, no. 1 (July 31, 2020): 12–36. http://dx.doi.org/10.3390/electricity1010002.

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Photovoltaic (PV) systems are the most promising technology for residential installation as an alternative source of energy. To interface the primary source of PV to the electrical grid, an LCL-filtered inverter is being broadly adopted due to its low volume compared to the L-filtered one and the superior ability to filter high-frequency harmonics. In this context, this paper proposes highly accurate digital current controllers for single-phase LCL-filtered grid-connected inverters. The proposed controllers are: Integral-single-lead, integral double-lead, integral double-lead taking into account the effect of pulse width modulation (PWM) delay and the proportional-resonant (PR). These controllers are different from the traditional Proportional-Integral (PI), Proportional-Derivative (PD), and Proportional-Integral-Derivative (PID). One of the novelties of this paper is the detailed, step-by-step procedure for tuning each parameter of the proposed digital controllers considering the dynamic behavior of the LCL filter. The proposed PR has a different and more straightforward tuning methodology than those procedures commonly found in the literature. Therefore, this paper is an attractive tool for a fast, accurate, and reliable way to tune digital current controllers for a single-phase LCL-filtered grid-connected inverter. The controllers were verified in the digital signal controller (DSC) TMS320F28335 while the power structure runs in a hardware-in-loop (HIL device). Results show the efficacy of the proposed controllers.
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Ali, Fakhrulddin, Mohammed Hussein, and Sinan Ismael. "LabVIEW FPGA Implementation Of a PID Controller For D.C. Motor Speed Control." Iraqi Journal for Electrical and Electronic Engineering 6, no. 2 (December 1, 2010): 139–44. http://dx.doi.org/10.37917/ijeee.6.2.9.

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This Paper presents a novel hardware design methodology of digital control systems. For this, instead of synthesizing the control system using Very high speed integration circuit Hardware Description Language (VHDL), LabVIEW FPGA module from National Instrument (NI) is used to design the whole system that include analog capture circuit to take out the analog signals (set point and process variable) from the real world, PID controller module, and PWM signal generator module to drive the motor. The physical implementation of the digital system is based on Spartan-3E FPGA from Xilinx. Simulation studies of speed control of a D.C. motor are conducted and the effect of a sudden change in reference speed and load are also included.
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Mohd Hussain, Mohd Najib, Ahmad Maliki Omar, and Intan Rahayu Ibrahim. "Harvesting Maximum Power from Mismatch Module of PV System Using PO Buck-Boost Converter." Advanced Materials Research 953-954 (June 2014): 95–98. http://dx.doi.org/10.4028/www.scientific.net/amr.953-954.95.

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This paper presents a simulation and laboratory test of Photovoltaic (PV) module incorporated with Positive Output (PO) Buck-Boost Converter for harnessing maximum energy from the solar PV module. The main intention is to invent a system which can harvest maximum power point (MPP) energy of the PV system in string-connection. The model-based design of the controller and maximum power point tracking (MPPT) algorithm for the system were implemented using MATLAB SIMULINK software. For laboratory execution, the digital microcontroller of dsPIC30F digital signal controller (DSC) was used to control the prototype of PO buck-boost converter. The code generation via MPLAB Integrated Development Environment (IDE) from model-based design was embedded into the dsPIC30F using the SKds40A target board and PICkit 3 circuit debugger. The system was successfully simulated and verified by simulation and laboratory evaluations. A physical two PV module of PV-MF120EC3 Mitsubishi Electric is modeled in string connection to represent a mismatch module. While in laboratory process, a string-connection of 10W and 5W PV module is implemented for the mismatch module condition.
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Rekha, S. Sasi, and K. Arokia James Immanuvel. "Power Quality Improvement in Wind Energy Generation Using Fuzzy Logic Controller." Advanced Materials Research 984-985 (July 2014): 730–39. http://dx.doi.org/10.4028/www.scientific.net/amr.984-985.730.

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Nowadays, renewable energies have been widely applied to achieve eco friendly objectives. This paper presents the development of a single-phase grid-connected wind energy generation with the improvement in power quality and efficiency. This mainly focuses on showing the improvement in power quality by overcoming the drawbacks with the existing wind energy generation based on the PLL with the discrete PI controller. It is found that Total Harmonic Distortions (THD) present in PLL Single-phase grid-connected wind energy generation can be reduced by using modified PLL method. The modified wind energy generation is based on PLL with Fuzzy logic controller instead of PLL with discrete PI controller. The PLL gets input from the load side, and compare with any one parameters current or voltage (closed loop system). The aim of this survey is to propose a new topology in (HCM) HILL CLIMB METHOD. The tasks related to the SVPWM algorithm, the PLL, the MPPT algorithm, and the monitoring of the DC voltage were successfully implemented in the DSC. Keywords – Total Harmonic Distortions, Phase Locked Loop, Discrete PI Controller, Fuzzy logic controller, Space Vector Pulse Width Modulation, Maximum Power Point Tracking, Digital Signal Controller.
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Dissertations / Theses on the topic "Digital Signal Controller (DSC)"

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Kočík, Karol. "Modul osciloskopu s bezdrátovým přenosem dat." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2015. http://www.nusl.cz/ntk/nusl-221279.

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The aim of the thesis is the design and realization of the oscilloscope module with wireless data transfer. One part of the thesis is a short overview of the different types of AD converters. The main part is focused on the hardware configuration that allows modification of the wireless module of the oscilloscope, and the possibility of using in the industrial zone. The design takes into account reducing of consumption and EMC compatibility.
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Pijáček, Ondřej. "Univerzální řídicí jednotka pro BLDC motory." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-240819.

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This thesis describes the design of universal control unit for BLDC motor powered from airplane power distribution system of 28 V capable of driving motor up to 10 A. The maximal engine power is about 250 W. Important prerequisite is possibility of driving various motor size without needs of changing wiring board using only the configuration in the auxiliary memory unit. To control different motors is enough one unit with one program without any way to interfere to the unit itself.
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Garate, Inaki. "Entirely digital permanent magnet synchronous machine controller by a single digital signal processor chip." Thesis, Staffordshire University, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.237841.

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Jiang, Guoyou. "Design and Implementation of a DMA Controller for Digital Signal Processor." Thesis, Linköping University, Computer Engineering, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-58868.

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The thesis work is conducted in the division of computer engineering at thedepartment of electrical engineering in Linköping University. During the thesiswork, a configurable Direct Memory Access (DMA) controller was designed andimplemented. The DMA controller runs at 200MHz under 65nm digital CMOS technology. The estimated gate count is 26595.

The DMA controller has two address generators and can provide two clocksources. It can thus handle data read and write simultaneously. There are 16channels built in the DMA controller, the data width can be 16-bit, 32-bit and64-bit. The DMA controller supports 2D data access by configuring its intelligentlinking table. The DMA is designed for advanced DSP applications and it is notdedicated for cache which has a fixed priority.

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Seward, John F. "A DSP based general self-tuning observer controller /." Online version of thesis, 1993. http://hdl.handle.net/1850/11705.

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Day, Richard Harvey. "A DSP controller for a low cost radar interface." Thesis, Nottingham Trent University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297738.

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Mostert, J. P. F. "Generic energy storage controller for a power conditioner." Thesis, Stellenbosch : Stellenbosch University, 2004. http://hdl.handle.net/10019.1/53744.

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Thesis (MEng)--Stellenbosch University, 2004.
ENGLISH ABSTRACT: This thesis presents the design of a DSP based controller system for an auxiliary converter for generic energy storage connection to a line-interactive power compensator. The aim is to utilize a wide range of energy storage systems and incorporate them into the existing power compensator. This was done by adding a second converter to the system. The new controller was developed to control this converter and thereby the energy storage. A study was done on lead acid batteries, flow batteries and flywheels in order to gain a basic understanding of these systems and identify the requirements for their control. Based on these findings, a new DSP based controller and measuring system was developed. To test the new system a dc to dc converter was implemented for the control of lead acid and flow batteries. A dc to ac converter was also tested for the control of flywheel energy storage.
AFRIKAANSE OPSOMMING: Die tesis handeloor die ontwerp van'n DSP gebaseerde beheerstelsel vir 'n Iyninteraktiewe on-onderbreekbare kragbron met drywings-kompensasie met 'n hulp omsetter vir algemene enegiestoor koppeling. The doel is om 'n wye verskeindheid energie store in die huidige drywings elektroniese stelsel te inkorporeer. 'n Tweede omstetter is by die stelsel gevoeg om die energie stelsel te beheer. 'n Nuwe beheerder is ontwikkel om die omsetter te beheer en daardeur die energie stoor. Loodsuur batterye, vloei batterye en vliegwiele is ondersoek om 'n basiese begrip te vorm en te identifiseer wat nodig is vir die beheer van sulke energie store. Die nuwe DSP beheerder en meetstelsel is ontwikkel gebaseer op hierde ondervindings. Om die nuwe beheerstelsel te toets is 'n gs na gs omsetter geïmplementeer vir die beheer van loodsuur en floei batterye. Die omsetter is geherkonfigureer na 'n gs na ws opstelling en getoets. Die konfigurasie word gebruik vir die beheer van vliegwiele.
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Bhatnagar, Purva. "A microcontroller-based Electrochemical Impedance Spectroscopy Platform for Health Monitoring Systems." University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1439307617.

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Charpentier, Arnaud. "Active Control Of Noise Radiated From Personal Computers." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/35711.

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As an indirect consequence of increased heat cooling requirements, personal computers (PC) have become noisier due to the increased use of fans. Hard disk drives also contribute to the annoying noise radiated by personal computers, creating a need for the control of computer noise. Due to size constraints, the implementation of passive noise control techniques in PC is difficult. Alternatively, active noise control (ANC) may provide a compact solution to the noise problems discussed above, which is the subject of this work. First, the computer noise sources were characterized. The structure-borne path was altered passively through the decoupling of the vibrating sources from the chassis. Global noise control strategy was then investigated with a hybrid passive/active noise control technique based on folded lined ducts, integrating microphones and speakers, that were added to the PC air inlet and outlet. While the ducts were effective above 1000Hz, the use of a MIMO adaptive feedforward digital controller lead to significant noise reduction at the ducts outlets below 1000Hz. However, global performance was limited due to important airborne flanking paths. Finally, the same type of controller was used to create a zone of quiet around the PC user head location. It was implemented using multimedia speakers and microphones, while the computer was placed in a semi-reverberant environment. A large zone of quiet surrounding the head was created at low frequencies (250Hz), and its size would reduce with increasing frequency (up to 1000Hz).
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Stejskal, Jiří. "Měnič 12V DC/230V AC." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218761.

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This diploma thesis describes particular parts of power inverter such as gate driver, DSC, LC filter, low power supply, DC/DC converter and four-quadrant bridge and manner of its control by digital signal controller. Inverter is designated for generating of a mobile artificial electric grid (for example in a car).
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Books on the topic "Digital Signal Controller (DSC)"

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Hanson, Ronald J. Implementing Closed-Loop Control Algorithms for DC-to-DC Converters and ARCP Inverters Using the Universal Controller. Ft. Belvoir: Defense Technical Information Center, 1997.

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Book chapters on the topic "Digital Signal Controller (DSC)"

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Ajaz, Sabooh, Prashan Premaratne, and Malin Premaratne. "Design and Implementation of Edge Detection Algorithm Using Digital Signal Controller (DSC)." In Advanced Intelligent Computing Theories and Applications. With Aspects of Artificial Intelligence, 549–56. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-25944-9_71.

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Oplustil, Josef, Roman Sprlak, Daniel Kalvar, Miroslav Uchoc, Petr Palacky, and Vaclav Sladecek. "Measuring and Control Central Based on Digital Signal Controller." In AETA 2013: Recent Advances in Electrical Engineering and Related Sciences, 259–67. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41968-3_27.

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Zulkifli, Shamsul Aizam, Ibrahim Mamat, Muhammad Nor Hafiz Mokhtarudin, and Shahrizan Ahmad Shah. "Investigation on Raspberry Pi Microcontroller as Digital Processing Controller in Back to Back Converter." In 9th International Conference on Robotic, Vision, Signal Processing and Power Applications, 799–806. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-1721-6_86.

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Basnayake, B. A. D. J. C. K., Y. W. R. Amarasinghe, and Peihong Wang. "Development of Re-configurable PID Simulator Based on a Digital Signal Controller for Educational Purposes." In Sustainable Design and Manufacturing 2018, 217–27. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-04290-5_23.

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Åström, K. J., T. Hägglund, and A. Wallenborg. "AUTOMATIC TUNING OF A DIGITAL CONTROLLER." In Adaptive Systems in Control and Signal Processing 1992, 285–90. Elsevier, 1993. http://dx.doi.org/10.1016/b978-0-08-041717-2.50052-5.

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Reyes-Garcia, Miguel, Cesar Sepulveda-Valdez, Oleg Sergiyenko, Moisés Rivas-López, Julio Cesar Rodríguez-Quiñonez, Wendy Flores-Fuentes, Daniel Hernandez-Balbuena, et al. "Digital Control Theory Application and Signal Processing in a Laser Scanning System Applied for Mobile Robotics." In Advances in Computational Intelligence and Robotics, 215–65. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-5225-9924-1.ch006.

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Positioning technologies are useful in a great number of applications, which are oriented for pick and place robots, manipulation of machine tools, especially on machines oriented for artificial vision and detection systems, such as vision-guided robotic systems and object existence in a limited environment. Due to the high demand of those applications, this chapter presents digital control theory application using a laser positioner, which obtains 3D coordinates in a defined field of view. Using the LM629N-8 motion controller, representing the main digital controller for the motion task of the laser positioner as an active element, which is analyzed via modeling and simulation using Matlab-Simulink. Additionally, this chapter focuses on some of the principal sources of uncertainties that exist in a laser scanning system and mainly on the receptive part of such system, which is driven by a brushed DC motor. The processed signal will be analyzed in different environmental conditions to analyze how it is affected by the instability characteristics of this main actuator.
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Conference papers on the topic "Digital Signal Controller (DSC)"

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Totaki, Marcio K., Raphael C. F. P. Carvalho, Rodrigo B. Letang, Rodrigo Schneiater, Wagner M. Moraes, and Alexandre B. Campo. "Kinematics open loop control of hexapod robot with an embedded Digital Signal Controller (DSC)." In 2010 IEEE International Symposium on Industrial Electronics (ISIE 2010). IEEE, 2010. http://dx.doi.org/10.1109/isie.2010.5637631.

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Schiavon, Gilson Junior, and Carlos Henrique Goncalves Treviso. "Complete design for a 1,2 kVA UPS, with sinusoidal output stabilized, operating with digital control for DSC (digital signal controller)." In 2011 Brazilian Power Electronics Conference (COBEP 2011). IEEE, 2011. http://dx.doi.org/10.1109/cobep.2011.6085203.

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Wang, Yinhui, Teng Wang, Pan Zhou, and Xin'an Wang. "Design and implementation of a flexible DMA controller in video codec system." In 2014 International Conference on Digital Signal Processing (DSP). IEEE, 2014. http://dx.doi.org/10.1109/icdsp.2014.6900804.

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Flaxer, E. "Smart filament emission controller for supersonic gas chromatography-mass spectrometry using real time digital signal processor." In 2012 5th European DSP Education and Research Conference (EDERC). IEEE, 2012. http://dx.doi.org/10.1109/ederc.2012.6532235.

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Wang, Guanghua, Jordi Estevadeordal, Sean P. Harper, and Nirm Nirmalan. "Real-Time Burst Signal Removal Using Multi-Color Pyrometry Based Filter for Improved Jet Engine Control." In ASME Turbo Expo 2014: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/gt2014-26417.

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Online line-of-sight (LOS) pyrometer is used on certain jet engines for diagnosis and control functions such as hot-blade detection, high-temperature limiting, and condition-based monitoring. Hot particulate bursts generated from jet engine combustor at certain running conditions lead to intermittent high-voltage signal outputs from the LOS pyrometer which is ultimately used by the onboard Digital Engine Controller (DEC). To study the nature of hot particulates and enable LOS pyrometer functioning under burst conditions, a Multi-Color Pyrometry (MCP) system was developed under DARPA funded program and tested on an aircraft jet engine. Soot particles generated as by-product of combustion under certain conditions was identified as the root cause for the signal burst in a previous study. The apparent emissivity was then used to remove burst signals. In current study, the physics based filter with MCP algorithm using apparent emissivity was further extended to real-time engine control by removing burst signals at real time (1MHz) and at engine DEC data rate. Simulink models are used to simulate the performances of the filter designs under engine normal and burst conditions. The results are compared with current LOS pyrometer results and show great advantage. The proposed model enables new LOS pyrometer design for improved engine control over wide range of operating conditions.
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Howell, Max, and Bill Hartshorn. "Rapid Design, Integration and Test of Improved Digital Fuel Control for the LM2500 Gas Turbine Engine." In ASME 1995 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1995. http://dx.doi.org/10.1115/95-gt-353.

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This paper describes how Martin Marietta performed rapid design, integration, and test of a Digital Fuel Control (DFC) system for control of shipboard GE LM2500 Gas Turbine Engines. This phase was performed in Orlando, Florida and included real time hardware in the loop (HWTL) testing of the DFC with a simulated engine and test cell. With this approach, all of the DFC hardware and software could be validated before performing control of a real engine. Therefore risk was minimized and the schedule did not depend on availability of an LM2500 engine. The engine and test cell were simulated using the Integrated Systems, Inc. (ISI) AC100 Real Time Controller, which is easily transportable from site to site. The next phase will involve testing the DFC and AC100 with a real LM2500 engine and test cell. The AC100 incorporates parallel digital signal processing and various input/output (I/O) options such as analog to digital (A/D) converters, digital to analog (D/A) converters, logical inputs and outputs, resolver to digital converters, pulse width modulation output, etc. Programs and I/O connections are made using extensive software on a workstation which produces code which is downloaded to the AC100 via Ethernet The programs are developed using a user-friendly, menu-driven graphical language called System Build. An autocode generator converts the system model to C or Ada, which is compiled and downloaded to the AC100 for real time execution.
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Wang, Guanghua, Jordi Estevadeordal, and Nirm Nirmalan. "Real-Time Multi-Color Techniques for Identification and Filtering of Burst Signals in Jet Engine Pyrometers." In ASME 2013 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/fedsm2013-16623.

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A Multi-color Pyrometry (MCP) experiment was carried out on a aircraft engine to study the nature of hot particulate bursts generated from the combustor at certain engine conditions. These bursts of hot particulates lead to intermittent high-voltage signal output from the line-of-sight (LOS) pyrometer which is ultimately detected and used by the onboard Digital Engine Controller (DEC). The investigation used a high-speed MCP system designed to detect bursts and identify their properties. Results of the radiant temperature, multi-color temperature and apparent emissivity are presented. The results indicated that the apparent emissivity calculated during the signal burst was lower than that of the blade. The root cause for the signal burst was identified as soot particles generated as by-product of combustion under certain conditions. A digital filter technique is developed to send reliable temperature signal to DEC for robust engine control even under the engine bursting conditions. Simulink model is used to simulate the performances of the design and showed great promise for engine control.
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8

Estevadeordal, Jordi, Guanghua Wang, Nirm Nirmalan, Sean P. Harper, Anquan Wang, Bradford Lewandowski, and Joseph D. Rigney. "Multi-Color Techniques for Identification and Filtering of Burst Signals in Jet Engine Pyrometers." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-69614.

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A DARPA funded Multi-color Pyrometry (MCP) experiment was carried out on a government provided aircraft engine to study the nature of hot particulate bursts generated from the combustor at certain engine conditions. These bursts of hot particulates lead to intermittent high-voltage signal output from the line-of-sight (LOS) pyrometer which is ultimately detected and used by the onboard digital engine controller (DEC). The investigation used a high-speed MCP system designed to detect bursts and identify their properties. Results of the radiant temperature, multi-color temperature and apparent emissivity are presented. The results indicated that the apparent emissivity calculated during the signal burst was lower than that of the blade. The root cause for the signal burst was identified as soot particles generated as by-product of combustion under certain conditions. This conclusion was drawn based on both experimental and simulation results. Technical strategies to separate, reduce or remove the burst signal are proposed.
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Agrawal, N., A. Kumar, Varun Bajaj, and H. N. Lee. "Controlled ripple based design of digital IIR filter." In 2016 IEEE International Conference on Digital Signal Processing (DSP). IEEE, 2016. http://dx.doi.org/10.1109/icdsp.2016.7868634.

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Shaffer, Phillip L. "Distributed Control System for Turbine Engines." In ASME 1998 International Gas Turbine and Aeroengine Congress and Exhibition. American Society of Mechanical Engineers, 1998. http://dx.doi.org/10.1115/98-gt-016.

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A Distributed Control System (DCS) for a turbine engine has been demonstrated and tested, consisting of prototype Electronic Interface Units (EIUs) connected to data and power busses. In the DCS, a central control computer communicated with smart sensors and smart actuators via a 2.5 megabit/sec digital data bus, using the Fieldbus protocol. Power was distributed to the smart devices as 100-kHz 100V peak AC, allowing light, simple power converters at each smart device. All smart sensors, smart actuators and cables were dual-redundant. The smart actuators received position demand from the central control computer, exchanged data between channels to provide local redundancy management, closed the position loop locally, and reported actuator position to the central controller. Smart sensors converted sensed signals to digital values in engineering units, and performed local built-in tests. Testing of the DCS was done in a closed-loop simulation with an engine model. Frequency response of the DCS was almost identical with the conventional system.
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