1 Mechatronics System Model In recent years, little progress has been made in the design of mechatronic systems. The reason for this is that it is impossible to summarize various electromechanical systems, and electromechanical interface technology has been proposed to provide a design for electromechanical systems. A new method and method analyzes the interfaces of each electromechanical system to determine the rules and determine the design method to understand the connotation of the electromechanical interface technology. First of all, it is necessary to analyze the electromechanical system model to the electromechanical system model. Several views: Rolflsermann of the University of Drmstadt in Germany proposed a block theory; Jacob Baur et al. of the Danish University of Technology proposed a second ring theory; BassamAHussein of the Norwegian University of Science and Technology put forward two systems; and Department of Huitong of Shanghai Jiaotong University proposed three subsystems.
A comprehensive analysis of the above-mentioned several kinds of different compositional structures, starting from the relationship between the whole and part of the electromechanical system, believes that the mechatronics technology should be based on mutual penetration and mutual integration of various technologies that make up it, and assist and promote each other. And improve, make full use of the advantages of various related technologies, and avoid weaknesses, so that the overall function after the combination is greater than the sum of the functions of the various parts that make up the whole. This is also in line with the theory of hierarchical structure in natural dialectics. The basic characteristics of the hierarchy determine that there must be a two-way causal chain: low-level systems can cause certain results in high-level systems, and high-level systems are the cause of low-level systems. Causes some results. The mechanical technology as a low-level system can only form a purely mechanical product with limited functions. When it is combined with microelectronics technology and information technology, it forms a multi-functional electromechanical integration product with electromechanical integration technology. As the mechatronics technology of high-level systems, its components: mechanical technology, microelectronic technology, information technology, etc. are not fully accepted, but they have certain limitations and influences. Only those that meet the requirements through restrictions and influences Talent into the high-level system. Mechatronic products are formed on this basis. Based on the above analysis, it can be concluded that the model of the electromechanical system is as shown. The broken line in the figure is a mechatronics system. The double-dotted line is the level boundary of the mechatronic system.
Fig. Mechatronics system model and correlation According to the structure of the model, it can be considered as having the following characteristics: 1 The electromechanical-body system consists of five parts, namely the control system, power source, drive system, sensors and actuators. 2 The components of the mechatronic system are hierarchical. The control system is the control layer and controls the operation of the entire system. The power source, drive system, and sensor are the drive feedback layers. The command is obtained from the control system and amplified, actuates the actuator action, senses the actuator's status and feeds it back to the control system. The actuator is the execution layer and performs actions according to the instructions of the drive system. 3 Mechatronics system is an organic whole. There is information and energy interaction between layers and layers. The interaction and transfer of information and energy are realized through corresponding interfaces. 4 The mechatronic system can interact with people and be controlled by people. The interaction between humans and the electromechanical system is achieved by man-machine connection.
From here it can be seen that the electromechanical system is a whole consisting of several subsystems. Each subsystem communicates with each other and with information and energy through interfaces. All kinds of connections not only play a role in connection, but more importantly combine the characteristics and advantages of the subsystems organically, avoid weaknesses, and achieve new functions that cannot be achieved by all subsystems. The performance of the system depends to a large extent on the performance of the interface, and the interface performance becomes a decisive factor in the performance of the integrated system. The object of the electromechanical interface technology is the interface in the electromechanical system. Therefore, the electromechanical interface technology occupies an important position in the design of the electromechanical system and requires in-depth research. 2 Electromechanical interface technology Electromechanical systems are mechanical, electronic, and information functions. The integration of different technologies into one integrated system, the connection between its subsystems is extremely important, in the mechanical, electronic, information and other areas of expertise on the basis of the full development and maturity, the key to the design of electromechanical systems lies in the design of the interface despite the electromechanical interface The research of technology is still in the process of exploration. The concept of electromechanical interface technology is gradually maturing 2.1 The connotation of electromechanical interface technology The electromechanical interface technology studies the connection between each component (subsystem) and each component technology in electromechanical systems. The research of this technology is to solve the interaction and fusion of information energy in the system more effectively, and finally achieve the optimal design of the electromechanical system.
2.2 Functions of mechatronics system interface (abbreviated as electromechanical interface) The electromechanical interface transfers and converts information and energy, and integrates the technologies of each component system. The electromechanical interface includes hardware and software. The hardware mainly establishes connections between subsystems or between the electromechanical system and the operator or the environment, and provides physical channels for input/output, transfer, and conversion of information and energy. The software mainly provides the method and process of system information exchange, transformation and adjustment. It coordinates and integrates the mechatronics integration technology to integrate and integrate the subsystems into a whole and realize new functions.
2.3 Classification of electromechanical interfaces The electromechanical interfaces are divided into man-machine interfaces, power interfaces, intelligent interfaces, and machine-electric interfaces. 1 person - machine interface. The interface between the electromechanical system and the operator. Through this interface, the operator can monitor the operating status of the system, control its operation process, and make the system work according to the will of the person. The man-machine interface is bi-directional. The hardware includes input/output devices, mainly display screens, keyboards, and control panels. 2 power interface. The connection between the electromechanical system and the power source is achieved, and corresponding power is provided for the drive unit of the electromechanical system. According to the type of power required by the system, such as direct current, alternating current, pneumatic, and hydraulic pressure, the form of the power interface is also very different. But the power interface has a common feature that can pass larger power.
3 smart interface. It can be seen that the smart interface exists mainly in three places, from the control system to the drive system, the drive system to the sensor, and the sensor to the control system. The application of smart interfaces is relatively complex, but some commonalities can be drawn: smart interfaces transfer and transform various information, and change the information format according to the requirements of different technologies, so that different subsystems and different technologies can be integrated together. Form a complete system. In general, smart interfaces are functional connections that software exhibits. 4 machine - electrical interface. The connection between the actuator and the drive system and the sensor is achieved. Convert the drive signal to the signal required by the actuator, or convert the mechanical signal of the actuator to the signal required by the sensor.
3 The development direction of electromechanical interface technology The social demand has promoted the development of electromechanical integration technology. At the beginning of electromechanical integration technology, it was only a simple combination of mechanical and electronic technologies. The combination of them was simple. With the development of mechatronics technology, mechatronic products have developed into a variety of As a complex system of technology, the interface within the corresponding system becomes more and more complex. Therefore, the development status of vertical and horizontal electromechanical integration at home and abroad, and the development trend of high and new technology, electromechanical interface technology will develop in the following directions: Intelligentization With the development and progress of mechatronics, intelligence is the mechatronics technology One of the major differences with traditional mechanical automation technology is the main direction of the development of electromechanical interface technology. The completion of electromechanical connections is no longer a simple transfer of information and energy, but is toward the development of intelligence in information collection, processing, and energy control.
Standardized electromechanical systems increasingly employ open and modular structures. The system can be configured flexibly and any combination is possible. There are further requirements for the electromechanical interface. The interface can also ensure the transmission of system information and energy and technology integration while maintaining consistency.
miniaturization. The micro-mechatronics system is the product of the integration of mechanical and electronic technologies on the nanoscale and is a new development direction of mechatronics. Therefore, the integration of the various parts of the system is required to be closer, and information transmission and feedback are more rapid and accurate. Therefore, the electromechanical interface must also be miniaturized.
Personalization. Future electromechanical integration will strengthen their similarity with the living organism, pay more attention to the relationship between products and people (man-machine coordination), and coexist with people (human-system integration). Therefore, the electromechanical interface should pay more attention to human physiological and psychological characteristics and limits, achieve a reasonable distribution of human-machine functions, improve reliability and security to organically integrate people and systems, and form a new generation of mechatronics systems.
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