Mechatronics (1)

Instructor: Dr. El-Sayed A. M. Hasaneen

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Course Title: MREn 222 Mechatronics (1) 3 credit hours Lecture: 2Hrs Tutorial: 2Hrs Grading Policy:Mid-Term Exam: 15 PointsDisussion, Repots, Quizes, and Project:25 PointsFinal: 60 PointsCourse Contents: • Introduction and basic definitions • General aspects of Mechatronics systems • Mechatronics entrance to the design of smart machines – product Lifecycle –

mechatronics approach of equipment design• Data processing in Mechatronics systems• Data collection and control: specification of electronic cards • Integrated systems for data collection and control • Design of Mechatronics systems using microprocessors – examples of

mechatronics systems (hard-disk controller – electronic garage doors – inverted pendulum system – video camera system – automotive suspension system – ABS brake ).

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What is Mechatronics?

1.1 Basic Definitions1.2 Key Elements of Mechatronics1.3 Historical Perspective1.4 The Development of the Automobile as a

Mechatronic System1.5 What is Mechatronics? And What’s Next?

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1.1 Basic DefinitionsThe word, mechatronics, is composed of “mecha” from mechanism and the “tronics” from electronics.

Definition of mechatronics:•Harashima, Tomizuka, and Fukada in 1996:Mechatronics is defined as the synergistic integration of mechanical engineering, with electronics and intelligent computer control in the design and manufacturing of industrial products and processes. •That same year, another definition was suggested by Auslander and Kempf:Mechatronics is the application of complex decision making to the operation of physical systems.•Shetty and Kolk appeared in 1997:Mechatronics is a methodology used for the optimal design of electromechanical products•More recently, we find the suggestion by W. Bolton:A mechatronic system is not just a marriage of electrical and mechanical systems and is more than just a control system; it is a complete integration of all of them.

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1.2 Key Elements of Mechatronics

The study of mechatronic systems can be divided into the following areas of specialty:1. Physical Systems Modeling2. Sensors and Actuators3. Signals and Systems4. Computers and Logic Systems5. Software and Data Acquisition

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1.2 Key Elements of Mechatronics

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FIGURE 1 Key Elements of Mechatronics

Key Elements of Mechatronics

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FIGURE 1 Key Elements of Mechatronics

Key Elements of Mechatronics

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FIGURE 1 Key Elements of Mechatronics

Key Elements of Mechatronics

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FIGURE 1 Key Elements of Mechatronics

Key Elements of Mechatronics

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FIGURE 1 Key Elements of Mechatronics

Key Elements of Mechatronics

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FIGURE 1 Key Elements of Mechatronics

1.3 Historical Perspective•The first historical feedback system claimed by Russia was developed by Polzunov in 1765

FIGURE 1.2 Water-level float regulator.

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1.3 Historical PerspectiveFurther evolution in automation was enabled by advancements in control theory traced back to the Watt flyball governor of 1769.

FIGURE 1.2 Water-level float regulator.

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Historical PerspectiveIn the late 1970s, the Japan Society for the Promotion of Machine Industry (JSPMI) classified mechatronics products into four categories1.Class I: Primarily mechanical products with electronics incorporated to enhance functionality. Examples include numerically controlled machine tools and variable speed drives in manufacturing machines.2. Class II: Traditional mechanical systems with significantly updated internal devices incorporating electronics. The external user interfaces are unaltered. Examples include the modern sewing machine and automated manufacturing systems.3. Class III: Systems that retain the functionality of the traditional mechanical system, but the internal mechanisms are replaced by electronics. An example is the digital watch.4. Class IV: Products designed with mechanical and electronic technologies through synergistic integration. Examples include photocopiers, intelligent washers and dryers, rice cookers, and automatic ovens.

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1.4 The Development of the Automobile as a Mechatronic System

FIGURE 1.4 Using a radar to measure distance and velocity to autonomously maintain desired distance between vehicles.

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1.5 What is Mechatronics? And What’s Next?What is mechatronics? It is a natural stage in the evolutionary process of modern engineering design. For some engineers, mechatronics is nothing new,and, for others, it is a philosophical approach to design that serves as a guide for their activities. Certainly, mechatronics.What’s Next?Continued advancements in cost-effective microprocessors and microcontrollers, sensor and actuator development enabled by advancements in applications:•MEMS, adaptive control methodologies•Real-time programming methods, networking and wireless technologies•Virtual prototyping, and testing.•…………….•…………….•…………….

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