The youth who carried out the blood feud was sent to the barracks and grew up to be a special Soldier King. When he returned to the land he grew up on, he exposed the dark curtain from eighteen years ago under the sunlight. However, what surprised him was that this matter did not only involve the truth about the past, the various powers behind the truth had also surfaced ...
The youth who carried out the blood feud was sent to the barracks and grew up to be a special Soldier King. When he returned to the land he grew up on, he exposed the dark curtain from eighteen years ago under the sunlight. However, what surprised him was that this matter did not only involve the truth about the past, the various powers behind the truth had also surfaced ...
The youth who carried out the blood feud was sent to the barracks and grew up to be a special Soldier King. When he returned to the land he grew up on, he exposed the dark curtain from eighteen years ago under the sunlight. However, what surprised him was that this matter did not only involve the truth about the past, the various powers behind the truth had also surfaced ...
With the continuous development of social economy and the improvement of computer science, communication engineering and electronic engineering, automo-biles are also gradually transforming from mechanical products driven by internal combustion engines to intelligent products driven by electricity. The electrification and intelligence of automobiles have brought new problems to society: on the one hand, electrically driven vehicles have lower operating noise, which makes pedestri-ans’ perception of vehicles weakened; on the other hand, with the deepening of intel-ligence, the control of vehicles will gradually be yielded from drivers to vehicles, which will largely cause the lack of human-vehicle trust. If these two problems are not solved, they will largely affect the efficiency of future road traffic and even bring potential danger. Therefore, it is necessary to explore a vehicle external sound effect as the external interaction interface of future vehicles to improve human-vehicle per-ception and enhance human-vehicle mutual trust. This paper takes the external sound design of quiet vehicles as the starting point, and divides the external sound design of vehicles into two aspects: quality design and functional design through literature research and combing of sound design related theories and methods. In the research of quality sense design, the paper explores the sound quality categories suitable for quiet vehicles based on human perception of sound quality, and realizes the decomposition of quality sense design elements through psychoacoustic experiments, and constructs the relevant design models, which provides theoretical guidance for the design of quality sense of exterior sound effects of quiet vehicles. In the functional design research, this paper conducted an in-depth investigation and study of human-vehicle conflict based on China’s road en-vironment and traffic participants, extracted a total of four categories and six types of human-vehicle interaction needs, and accordingly designed, optimized and verified the interaction information, and explored the design strategy of functional sound ef-fects.
Zhongli Li, you're mine." "Even Ouyang Xuan's confession was so domineering." Ah, don't tease me. "Zhong Li sneered, his gaze falling on his protruding abdomen." There is a small life here, and it belongs to another man. He knew his ex-husband, who had been in love for five years, could betray him, let alone this foppish young master in the eyes of everyone in Xi City. How could Zhong Li believe him? How could he dare to believe it!
The main objectives of the book are to introduce the design method of boundary control strategies for the axially moving structures to reduce their vibration. This book provides the reader with a thorough grounding in the boundary controller design. Our goal is to provide advanced boundary controller design methods and their stability analysis methods and offer simulation examples and MATLAB programs for each boundary control algorithm. For each chapter, several engineering application examples are given and the contents of each chapter in this book are independent, so that readers can just read their own needs. In this book, all the control algorithms and their programs are described separately and classified by the chapter name, which can be run successfully in MATLAB. The book can benefit researchers, engineers, and graduate students in the fields of PDE modeling and boundary vibration control of flexible structures.
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