The connotation of electromechanical interface technology and the development of mechatronics
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Summary of the connotation of electromechanical interface technology and mechatronics development Zheng Gang, Fei Renyuan, Zhang Huihui, Sun Shuwen (School of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology; Beijing 100022) A new mechatronics system composition. In order to further analyze and design the mechatronics system, the concept of electromechanical interface technology is proposed, and the classification of electromechanical interfaces is given. Finally, the influence of electromechanical interface technology on mechatronics is analyzed, and it is pointed out that electromechanical interface technology will inevitably promote the development of mechatronics.
1 Introduction The rapid development of science and technology has made the integration and penetration of multidisciplinary more and more important, thus forming a new research direction. Mechatronics technology is a discipline that integrates mechanical technology, servo drive technology, computer technology, automatic control technology, detection and sensing technology, network communication technology, and system technology.
In the design of mechatronics products, it is necessary to study the respective characteristics of various related disciplines in multidisciplinary technology, the physical connection between their characteristic parameters, and correctly handle the requirements, relationships and coupling conditions between the characteristic parameters of various disciplines, and By studying the intrinsic connections and coupling relationships of these disciplines, we analyze and solve specific problems in the engineering design of mechatronics product systems. Electromechanical interface technology is produced under this circumstance. It is a research field that solves the problem of how to integrate the electromechanical and related fields into one, so as to design the optimal mechatronics product.
2 The relationship between the connotation of electromechanical interface technology and the composition of mechatronics system 21 Understanding the composition of mechatronics system When studying the design of mechatronics products, we regard the object to be studied as a system, and then proceed from the system as a whole, research The interrelationship of the various components of the system takes into account various factors and seeks the optimal solution to achieve the optimal effect. This is an important goal of mechatronics product system engineering design. The starting point and destination of the mechatronic system design is the composition of the mechatronic system.
Due to its importance, scholars at home and abroad have conducted extensive and in-depth research. Among them are: fund projects: The research conditions of this project are provided by the Beijing Advanced Manufacturing Key Laboratory to provide physical system integration.
Sernann proposed that the mechatronic system consists of five functional modules: control function, power function, sensing detection function, operation function and structure function. German scholars have traditionally compared the mechatronic system to the human brain, internal organs, facial features, limbs and body. With the development of five mechatronics, the five-block theory can no longer meet the needs of system integration and integration.
Jacob Baur and others at the Danish Polytechnic University proposed three related rings of mechanics, electronics and software to represent the composition and interrelationship of mechatronic systems. The meaning of electronic in the three W theory is rather vague; software refers to the process of realizing information processing and control, and it also cannot make people scientific and clear composition of the real system.
The two systems of the University of Norwegian University of Science and Technology BassamAHsef are two subsystems of the Ml electrification system J. The physical system includes various driving devices, actuators, sensors, etc.; the control system includes software and hardware. From the perspective of functional division, the two subsystems tend to be better than the former one, which is conducive to the in-depth study of the control system. However, the drive device, actuator, sensor, etc. are collectively referred to as the physical system, which is too general, so that the system design is impossible.
E subsystems Zou Huijun of Shanghai Jiaotong University mentioned that it also conforms to the theory of hierarchical structure in the dialectics of nature. The basic characteristics of the hierarchy determine that there must be a two-way causal chain: the low-level system can cause certain results in the high-level system. High-level systems, as a cause, cause some results in lower-level systems. As a low-level system, mechanical technology can only form a purely mechanical product with limited functions. When combined with microelectronics technology and information technology, it forms a multi-functional mechatronics product with mechatronics technology. As a high-level system, mechatronics technology is not a complete acceptance of its components: mechanical technology, microelectronics technology, information technology, etc., but has certain restrictions and influences on them. Only through restrictions and influences, only those that meet the requirements The ability to enter the high-level system. Mechatronics products are formed on this basis. With this understanding, we propose a new mechatronics system composition, see * In this mechatronic system model, we mainly want to explain these points: the mechatronic system consists of five parts, respectively Systems, power sources, drive systems, sensors and actuators.
The components of the mechatronic system are hierarchical, and the control system is the control layer that controls the operation of the entire system. The power source, the drive system and the sensor are driving feedback layers, and the commands are obtained from the control system and amplified to drive the actuator action. The sensing actuator body system can be divided into: generalized actuator subsystem, transmission subsystem, information office System subsystem. They perform mechanical motion and motion, information speculation, information processing and control, respectively. The representation of the three-symbol system is easy to understand from the perspective of functional principles, but it is also not conducive to direct use in system design.
It can be seen from the above several different understandings that the mechatronic system has ambiguity, complexity and diversity, which has become a difficulty in the design of mechatronic systems. Therefore, the understanding of the composition of the mechatronic system needs to be deep and thorough, and the technology of mechatronics technology has become increasingly mature. Now the key to mechatronic system design is to master the relationship between the constituent technologies and find the optimal connection between them. This is the research content of electromechanical interface technology.
22 mechatronics system group Deng n correlation comprehensive analysis of the above several different components, and from the relationship between the overall and part of the mechatronic system, we believe that electromechanical-fls-like branching should constitute its preparation technology On the basis of thoroughness and mutual integration, mutual assistance, mutual promotion and improvement of the advantages of using all relevant technologies, and strengths and weaknesses, so that the combination is followed by the instructions of the drive system.
The mechatronic system is an organic whole layer and layer, and there is information and energy interaction inside the layer. The interaction and transmission of information and energy are realized through various interfaces.
Mechatronic systems can interact with people and be controlled by people. The interaction between humans and mechatronic systems is achieved through a human-machine interface.
It can be seen from this that the mechatronic system is an organic whole composed of multiple subsystems. Each subsystem is connected through an interface to exchange information and energy. The various interfaces not only play a role in connection, but more importantly, the combination of the special features and advantages of the subsystems, the strengths and weaknesses, and the realization of new functions that cannot be realized by each subsystem, the more J system optimization. From this point of view, the performance of the system depends on the performance of the interface, and the interface performance between the subsystems becomes the decisive factor for the performance of the integrated system. The research object of electromechanical interface technology is the interface in mechatronics system. Therefore, electromechanical interface technology plays an important role in the design of mechatronic system and needs in-depth research.
The connotation of electromechanical interface technology is an integrated system of mechanical, electronic and information-integrated technologies. The interface between subsystems is extremely important. In a sense, mechatronic system design It is the design of the interface. However, there are few researches on electromechanical interface technology. By summarizing and summarizing the mechatronic system, we have proposed the concept of electromechanical interface technology to form the following points.
(1. The concept of electromyography interface technology is an emerging technology, which studies the interface between various components (subsystems) and various component technologies in the mechatronic system. This technology is studied to be more effective. The interaction of information energy in the system is carried out, and various technologies are integrated to realize the optimal design of the mechatronic system.
(2) Mechatronics system interface (referred to as electromechanical interface) function Electromechanical interface transmits and transforms information and energy, and integrates the characteristics of each component of mechatronics. Electromechanical interfaces, including hardware and software embosses, primarily provide a physical path between subsystems or between humans and mechatronic systems to provide input/output, transfer, and conversion of information and energy. The software mainly provides methods and processes for system information interaction, conversion and adjustment, and coordinates and integrates mechatronics to form technologies, so that each subsystem is integrated and integrated into one whole to realize new functions.
Port, power interface, intelligent interface and machine-electrical interface 4 categories.
The interface between the human-machine interface and the mechatronics system, through which the operating state of the system can be monitored and the operation process can be controlled, that is, the human-machine interface can make the system work according to the human will. The human-machine interface is bidirectional, and the hardware includes input/output devices, mainly including a display screen, a keyboard, buttons, and the like.
The power interface power source is connected to the interface of the drive system to provide corresponding power to the drive system. Depending on the type of power required by the system, such as direct current, alternating current, pneumatics, hydraulics, etc., the form of the power interface is also very different. But the power interface has a common feature that is able to pass larger power.
Out, intelligent interfaces mainly exist in three places, from control system to drive system, drive system to sensor, sensor to control system. The application of intelligent interfaces is relatively complicated, but it can be derived from some commonalities: intelligent interface transfer and conversion of various information changes the information form according to the requirements of different technologies, so that different subsystems and different technologies can be integrated to form 芫The whole system. Typically, a smart interface is a functional connection that the software exhibits.
The interface between the machine-electrical interface actuator and the drive system and sensor. The drive signal is converted to the signal required by the actuator or the mechanical signal of the actuator is converted to the signal required by the sensor.
3 Electromechanical interface technology promotes the development of mechatronics technology for the social needs of mechatronics development. When traditional mechanical technology can not meet the social needs of increased benefits, the mechatronics technology formed by the combination of mechanical technology, electronic technology and information technology has become the inevitable development of mechanical technology. At the beginning of the mechatronics technology, it was only a simple combination of mechanical technology and electronic technology. The way of combining them was relatively simple, and with the development of mechatronics technology, mechatronics products have developed into a variety of In a complex system of technology, the corresponding internal interface of the system becomes more and more complicated.
Turning to page 12 is a useful exploration with research. Further research work is continuing.