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Illuminated by the Pulse Width Modulation (PWM) technology in classical control engineering, we propose the PWM approximation which transforms continuous and bang-bang control into each other. This method works by squeezing the…

Quantum Physics · Physics 2017-12-07 Qi-Ming Chen , Re-Bing Wu , Herschel Rabitz

A new carrier-based pulse-width modulation (PWM) technique to control power inverters is presented in this paper. To generate the output waveform, this technique compares a harmonic-injection modulating wave and a frequency-modulated…

A new, programmed pulse width modulation (PWM) technique to control power inverters, which uses a harmonic injection modulator and a frequency modulated triangular carrier, synchronized with the modulating signal is presented in this paper.…

Systems and Control · Electrical Eng. & Systems 2024-01-26 Antonio Ruiz-Gonzalez , Mario Meco-Gutierrez , Francisco Perez- Hidalgo , Francisco Vargas-Merino , JuanR Heredia-Larrubia

This paper focuses on accelerating quantum optimal control design for complex quantum systems. Based on our previous work [{arXiv:1607.04054}], we combine Pulse Width Modulation (PWM) and gradient descent algorithm into solving quantum…

Quantum Physics · Physics 2022-09-23 Qi-Ming Chen , Re-Bing Wu

The time-domain analysis of pulse width modulated (PWM) single-phase inverters is presented for different load circuits. It is demonstrated that this analysis can be reduced to the solution of linear simultaneous algebraic equations with…

Signal Processing · Electrical Eng. & Systems 2020-06-16 Siddharth Tyagi , Isaak Mayergoyz

A novel optimal time-domain technique for pulse-width modulation (PWM) in three-phase inverters is presented. This technique is based on the time-domain per phase analysis of three-phase inverters. The role of symmetries on the structure of…

Signal Processing · Electrical Eng. & Systems 2019-05-10 Siddharth Tyagi , Isaak Mayergoyz

Selective Harmonic Elimination Pulse Width Modulation (SHEPWM) is an important technique to solve PWM problems, which control the output voltage of an inverter via selecting appropriate switching angles. Based on the Rational Univariate…

Numerical Analysis · Mathematics 2015-12-07 Bao-Xin Shang , Shu-Gong Zhang , Na Lei , Jing-Yi Chen

The objective of this research is to mitigate vibrations in induction motors. To achieve this goal, a discontinuous pulse width modulation (PWM) control strategy based on carrier wave modulation is proposed for multilevel inverters. This…

Systems and Control · Electrical Eng. & Systems 2024-01-31 A Ruiz-Gonzalez , JR Heredia-Larrubia , FM Perez-Hidalgo , M Meco-Gutierrez

We present a program to simulate the dynamics of a wave packet interacting with a time-dependent potential. The time-dependent Schr\"odinger equation is solved on a one-, two-, or three-dimensional spatial grid using the split operator…

Computational Physics · Physics 2013-11-21 C. M. Dion , A. Hashemloo , G. Rahali

Non-autonomous dynamical systems appear in a very wide range of interesting applications, both in classical and quantum dynamics, where in the latter case it corresponds to having a time-dependent Hamiltonian. However, the quantum…

Quantum Physics · Physics 2025-04-22 Yu Cao , Shi Jin , Nana Liu

Controlling the temporal mode shape of quantum light pulses has wide ranging application to quantum information science and technology. Techniques have been developed to control the bandwidth, allow shifting in the time and frequency…

Positive-feedback (PF) device and its operation scheme to implement pulse width modulation (PWM) function was proposed and demonstrated, and the device operation mechanism for implementing PWM function was analyzed. By adjusting the amount…

Emerging Technologies · Computer Science 2021-08-24 Sung Yun Woo , Dongseok Kwon , Byung-Gook Park , Jong-Ho Lee , Jong-Ho Bae

This report is concerned with the efficiency of numerical methods for simulating quantum spin systems, with the aim to implement an improved method for simulation of a time-dependent Hamiltonian that displays chirped pulses at a high…

Quantum Physics · Physics 2023-12-29 Danny Goodacre

The modular multilevel converter (MMC) is a promising converter technology for various highvoltage high-power applications. The reason to that is low-distortion output quantities can be achieved with low average switching frequencies per…

High Energy Physics - Experiment · Physics 2025-01-03 Khushbu Saradva , Meeta Matnani , Tapankumar Trivedi

We present an approach to simulate the Schr\"odinger equation through continuous time quantum walks. The CTQW-based simulation applies unitary evolution driven by a quantum walk to generate probability amplitude distributions at various…

Quantum Physics · Physics 2025-09-16 Rachana Soni , Navneet Pratap Singh

Simulation of conditional master equations is important to describe systems under continuous measurement and for the design of control strategies in quantum systems. For large bosonic systems, such as BEC and atom lasers, full quantum field…

Quantum Physics · Physics 2013-05-30 M. R. Hush , A. R. R. Carvalho , J. J. Hope

In this paper we introduce a new Python package, the Pulsar Signal Simulator, or PsrSigSim, which is designed to simulate a pulsar signal from emission at the pulsar, through the interstellar medium, to observation by a radio telescope, and…

High Energy Astrophysical Phenomena · Physics 2021-03-31 Brent J. Shapiro-Albert , Jeffrey S. Hazboun , Maura A. McLaughlin , Michael T. Lam

Bus-clamping Pulse Width Modulation (PWM) is an effective method to reduce the switching loss in a three-phase voltage source inverter (VSI). In bus-clamping PWM scheme, the phase legs are switched using high frequency PWM signals for…

Systems and Control · Electrical Eng. & Systems 2023-08-01 Reza Asrar Ghaderloo , Yidi Shen , Chanaka Singhabahu , Rakesh Resalayyan , Alireza Khaligh

Quantum simulation is known to be capable of simulating certain dynamical systems in continuous time -- Schrodinger's equations being the most direct and well-known -- more efficiently than classical simulation. Any linear dynamical system…

Quantum Physics · Physics 2025-04-22 Shi Jin , Nana Liu

We present a simple new way - called Schrodingerisation - to simulate general linear partial differential equations via quantum simulation. Using a simple new transform, referred to as the warped phase transformation, any linear partial…

Quantum Physics · Physics 2025-03-28 Shi Jin , Nana Liu , Yue Yu
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