Title of automobile science and technology paper
1 application analysis of engine emission technology
2 Causes and control measures of poor idle speed of mini-cars
Development of Electronic Control System for Diesel Engine
4 China's automobile exhaust emission control status and countermeasures
Diagnostic analysis of engine automatic flameout
6 Maintenance and maintenance of automobile engine
7 Development trend of diesel particulate emission purification technology
8 automobile pollution ways and control measures
Discussion on modern engine self-diagnosis system
Failure analysis of 10 on * * * vehicle.
11* * Detection and maintenance of insufficient power.
12 fault diagnosis and maintenance of electronic control system of Shanghai GM Buick engine
13 fault diagnosis and maintenance of electronic control system of modern elantra engine
14 fault diagnosis and maintenance of electronic control system of guangben accord engine
15 diagnosis and maintenance of electronic fuel injection system
Structure control principle and maintenance of Passat 1.8T emission control system.
17 structural control principle and maintenance of emission control system of guangben accord
Discussion on the causes and elimination methods of idling jitter of 18 automobile engine
19 maintenance of automobile emission control system
2 1 on the development of automobile detection technology
Structure control principle and maintenance of Audi A6 emission control system
Fault diagnosis and maintenance of electronic control system of Toyota Lexus 400 engine
Diagnosis and Maintenance of Audi A6B5 EFI System
Diagnosis and maintenance of Peugeot 307 EFI system
Fault analysis of steering wheel shimmy of 27 automobile
Analysis of application characteristics of 28 anti-lock braking system in ordinary cars
Fault diagnosis and analysis of 29 automobile chassis
Performance analysis of common steering system of 30 automobile
3 1 Fault Diagnosis of Automobile Gearbox
Development and application of 32 airbag
Fault diagnosis of automobile braking system
The characteristics of several domestic automobile driving systems are analyzed.
The characteristics of several domestic automobile braking systems are analyzed.
The characteristics of several domestic automobile steering systems are analyzed.
Application of 37 Electro-hydraulic Integration Technology in Automobile
Discussion on fault diagnosis method of 38 Toyota series ABS
Discussion on fault diagnosis of 39 universal series ABS
Case analysis of ABS system failure of 40 Mercedes-Benz 560SEL model
Structure control principle and maintenance of 4 1AL4 automatic transmission
Discussion on four-wheel alignment of 42 automobile
Structure control principle and maintenance of 434T65E automatic transmission
Fault diagnosis and maintenance of steering system of Shanghai GM Buick.
Fault Diagnosis and Maintenance of 45 Shanghai GM Buick Brake System
Fault Diagnosis and Maintenance of 46 Hyundai Elantra Steering System
Fault Diagnosis and Maintenance of Modern Elantra Brake System
Structural control principle and maintenance of 48 Sonata braking system
Structure control principle and maintenance of 49 electronic control suspension system
Structure control principle and maintenance of 50 Shanghai Passat B5 automatic transmission
Structural control principle and maintenance of 5 1 Toyota Camry braking system
Structural control principle and maintenance of 52 Toyota Lexus 400 suspension system
Diagnosis and maintenance of 53 Peugeot 307 brake system fault
Structure control principle and maintenance of 54 Peugeot 307 manual transmission
Fault analysis and maintenance of suspension and axle of 55 Shanghai GM Buick car
Structure control principle and maintenance of 56 electronically controlled hydraulic automatic transmission
Analyze the influence of tire performance on automobile running.
Analysis and maintenance of common faults in chassis of 58 Jetta car
Design of courseware for 59 automobile steering department
Summary of 60 automobile anti-lock braking system
6 1 Design of Anti-lock Braking System for Vehicles
Maintenance and fault control of 62 automobile battery
Application of information technology in automobile
Modern automobile leakage fault and control technology
Fault diagnosis of 65 automobile ignition system
Analysis of Air Conditioning Control System of 66 Toyota Lexus 400
Research on Fault Diagnosis Method of Santana 67 Car
Technical analysis of 68 automobile air conditioning
Analysis of Mondeo 69 Air Conditioning System
Fault detection of 70 oxygen sensor
7 1 Application of Traditional Diagnosis in Automobile Maintenance
Model essay on automobile science and technology papers
Discussion on modern high-tech automobile maintenance technology
Abstract: Modern automobile industry is developing vigorously on the high-tech road, and its technical content is increasing day by day. The traditional automobile maintenance mode can no longer meet the needs of modern automobile maintenance. Modern cars are increasingly controlled by computers, and each system module is executed by programs. This development has led to the modern automobile maintenance industry becoming a new technology application industry, and it is imperative to reform the traditional maintenance concept. According to the analysis of the present situation of Hyundai Motor in China, the strategic changes have been made.
Keywords: Hyundai Motor; Maintenance; Strategy; development trends
China Library ClassificationNo.: U472.4 Document ID: Part ANo.:1674-7712 (2013) 24-0000-02.
With the rapid development of science and technology, it has also brought new technological innovations to the automobile industry. High-tech products such as new technologies, new materials and new processes are widely integrated into the automobile manufacturing industry, especially electronic technology and hydraulic technology. The application of new technology makes modern automobile an integration of advanced technology. With the continuous renovation of modern cars, faults are becoming more and more complicated. The maintenance of modern cars can no longer be limited to traditional concepts. The diagnosis of automobile faults can not only rely on manual work, and automobile maintenance is no longer a craft, but a scientific and technological debugging that keeps pace with the times. Therefore, with the growth of the automobile industry, the modern automobile maintenance technology will also change, and the concept of automobile maintenance will also be constantly updated and innovated.
First, the characteristics of modern automobile maintenance
(A) new technology of fault diagnosis
The development of modern cars has always been consistent with the development of science and technology. Automobile is no longer a mechanical product of transportation, but a high-tech crystallization that integrates countless high-tech technologies. Electronic technology, digital technology and computer control technology are widely used in various systems of automobiles. The fault detection of some systems of modern automobiles no longer depends on human touch and observation, but on the self-diagnosis of electronic control components. Some main system components in automobiles are completely controlled by electronic control components. These systems include electronic fuel injection system generator, airbag system, acceleration and sliding regulator, electronic suspension system, automatic cruise system, power traction system, anti-lock braking system, electronic automatic gearbox system, automatic air conditioning system, power steering system, central locking and anti-theft system and self-diagnosis system. If these highly automated systems fail, the electronic control unit will automatically diagnose and record the diagnosis results in the form of program codes and store them in the memory. Then the staff will use the decoder to interpret the diagnosis report in the fault and get the fault code, so as to locate the fault, and can also provide troubleshooting for customers through online help.
(2) High-tech maintenance tools
With the innovation of modern automobile technology and the upgrade of fault diagnosis system, there has been a new breakthrough in the equipment of modern automobile overhaul and maintenance. Automobile maintenance equipment is no longer based on mechanical tools, but mainly on testing equipment and instruments, which is also the product of high-tech integration. In the 1990s, China introduced a large number of advanced technologies and instruments to the automobile industry, including some testing instruments and maintenance equipment, such as four-wheel positioning instrument, automobile special oscilloscope, decoder, automobile special electric meter, engine analyzer, computer dynamic balancer, exhaust gas tester and so on. For the automobile maintenance industry at that time, these instruments can only play a small role in accurate fault range and saving manpower and material resources, but now, these instruments and equipment have become indispensable tools for modern automobile maintenance. With their sophisticated and high-tech technical principles, they have greatly increased the technological content of modern automobile maintenance, made automobile maintenance more concise, convenient, accurate and precise, and reduced the mistakes caused by lack of experience in manual inspection. Therefore, the premise of modern automobile maintenance is to require maintenance personnel to understand the relevant knowledge of electronic technology, digital technology and computer control technology, and to understand the design principles and usage methods of various maintenance instruments and equipment.
(C) Maintenance personnel training characteristics
The concept of modern automobile maintenance is very different from the traditional one. Traditional car maintenance is mostly a way? Jianghu craftsmanship? In the form of "maintenance", most teachers teach their apprentices through practice, get started directly by themselves, explore methods in hands-on operation, accumulate experience, and realize the improvement of maintenance technology. This model directly leads to the low education level of maintenance workers in the automobile maintenance industry, weak general theoretical foundation, low foreign language level and poor ability to accept new technologies. With the development of automobile technology, the maintenance concept of modern automobile needs to be changed, and the training mode of maintenance personnel needs to be innovated. Personnel engaged in automobile maintenance must first undergo technical theory training, master the science and technology and design principles of modern automobile application, and also undergo training in the use of various instruments and equipment necessary for automobile maintenance, understand their principles, master a foreign language, and be able to understand the introduction of advanced foreign automobile technology. At the same time, automobile maintenance personnel are also required to skillfully use computer control technology to conduct analysis and inquiry, and conduct online inquiry, maintenance, consultation and help through the Internet. Only by improving their own quality can we adapt to the pace of modern automobile development.
Second, the factors restricting the improvement of modern automobile maintenance technology
With the vigorous development of automobile technology in the world, China's modern automobile technology is also advancing with the times. However, the maintenance technology of modern automobile needs to be improved, among which the factors restricting the development of modern automobile maintenance technology in China are:
(A) the level of employees is low
Developed from the traditional way of repairing cars, the technical level, educational level and professional quality of employees are generally low. Most employees are not very familiar with the manufacturing principles and science and technology of modern automobiles, and they are not clear about the principles and usage methods of modern equipment and instruments, and their learning ability is low, so they cannot adapt to the development of modern automobile technology quickly. Therefore, it restricts the development of modern automobile maintenance technology in China.
(2) Backward testing and maintenance equipment.
With the rapid development of modern automobile, the world's advanced modern automobile maintenance technology has reached high technology, automation, digitalization and intelligence. However, the automobile maintenance industry in China has been in a closed state, still maintaining the original and conservative traditional maintenance mode, which is seriously derailed from the advanced technology of the outside world. At present, the inspection and maintenance equipment used in China's maintenance industry is still very backward compared with the world's advanced level, and it is out of sync with the high technology of modern automobiles, which is one of the main reasons why China's modern automobile maintenance technology is backward.
(C) the old maintenance concept
The traditional maintenance concept, with long cycle, high cost and excessive consumption of manpower and material resources, mainly relies on long-term accumulated experience and simple hand tools to disassemble cars and detect faults. Such detection is inaccurate, unscientific and time-consuming, and it can't cope with the high-tech problems of modern automobiles. The old maintenance concept has seriously hindered the development of modern automobile maintenance technology in China. Therefore, it is urgent to establish a modern maintenance concept, which must be transformed into a modern concept of electromechanical integration and a modern automobile maintenance technology with detection and diagnosis technology as the core.
Third, modern automobile maintenance strategy
In order to adapt to the development of modern automobile, China's modern automobile maintenance technology should make corresponding reforms, formulate modern automobile maintenance strategies, upgrade modern automobile maintenance technology and get rid of the backward situation. (A) to master the development direction of modern automobile new technology
With the rapid development of modern automobile, new technologies have been applied to various systems of automobile, making modern automobile a product of intelligence and automation. Therefore, grasp the development direction of modern automobile new technology, enter its research in advance, predict its possible faults and simulate maintenance. For example, environmental protection is an eternal topic in all walks of life. In order to meet the requirements of environmental protection and reduce the pollution caused by exhaust emissions, many devices have been added and improved in modern automobiles, such as electronically controlled fuel injection system of gasoline engines, high-energy electronic ignition system, CPG system of dual-fuel vehicles and so on. In addition, people's requirements for modern cars are not only transportation, but also comfort and safety, so microcomputer control systems are gradually applied to cars, such as airbag anti-collision system, brake locking system, automatic transmission control system, air conditioning automatic control system, and progressive power steering mechanism. Therefore, if the maintenance personnel can master the principles and applications of these new technologies, then when the automobile fails in these aspects, they can solve the problem well and face the improvement of new automobile technologies calmly.
(B) to change the traditional concept of maintenance
The high-tech process of modern automobile, the traditional maintenance concept has been unable to meet its needs. The traditional maintenance idea is to detect faults by experience, hand feeling and guess, and then dismantle the car one by one, which is long in cycle, high in cost, expensive, unscientific and uneconomical. At present, for high-tech modern cars, this traditional maintenance mode will only make the system fault more complicated and increase the difficulty of car fault detection and maintenance. Therefore, in order to improve the modern automobile maintenance technology in China, we must abandon the traditional old maintenance concept and establish a new high-tech maintenance concept. Increase the theoretical basis of maintenance personnel, so that they can understand the science and technology and application principles currently applied in the automobile industry, integrate theory with practice, pay attention to fault detection and elimination, and make good use of high-tech instruments and equipment for inspection and maintenance. Only by establishing a modern maintenance concept can we adapt to the development of modern cars and be helpless in the face of car failures. While improving the maintenance concept, improve the knowledge reserve, vision and maintenance experience of maintenance personnel.
(C) improve the level of maintenance technology
Modern automobile maintenance technology is becoming more and more intelligent, automatic and modern. In car maintenance, experience is no longer the main body of car repair, and technology is indispensable for maintaining modern cars. Based on the development of automobile industry, not only the modern automobile itself is a high-tech product, but also the equipment and instruments used to maintain the automobile are high-tech. If low-level technicians only rely on experience, they can't diagnose faults, let alone repair them. Therefore, maintenance personnel, as operators of automobile maintenance, should have certain professional qualities, have a good understanding of the composition and principles of various systems in the automobile, and can make diagnosis by using some testing instruments, so as to improve the accuracy of diagnosis and reduce unnecessary waste of manpower and material resources. The knowledge they should master should include: the principle and structure of modern automobile, the application of sensor technology, hydraulic control technology, automatic control technology and so on. The management of automobile maintenance enterprises is also directly related to the technical level of automobile maintenance personnel. Enterprises should actively introduce new technologies to provide a learning and research platform for maintenance personnel. The improvement of the level of maintenance personnel will certainly improve the overall level of modern automobile maintenance technology.
(d) Pay attention to the analysis and application of data in diagnosis.
In the information age, communication is developed, which makes all fields a new atmosphere. The automobile industry is no exception. No matter the appearance or structural principle of a car, it is inseparable from data, procedures and materials. For high-tech products such as automobiles, there are many digital and automatic application devices, and all kinds of software control analog control need a lot of data and programs. The accumulation of experience alone can no longer dominate the automobile maintenance industry. Technicians collect data information, find out faults through analysis and processing, and carry out maintenance according to the diagnosis results. Therefore, technicians should pay attention to data accumulation, improve the utilization rate of data information, manage information through the network, and help online query. In modern automobile maintenance technology, it is a skill that technicians must master to consult all kinds of automobile data skillfully and use them correctly.
(five) equipped with modern detection, diagnosis and maintenance equipment.
Many systems in modern automobile technology are programmed and intelligent, controlled by data and programs, and have basically realized the integration of machinery, electricity and liquid, most of which are imperceptible only by experience or touch. To deal with high-tech modern cars, our maintenance equipment should not be limited to hand tools, but should introduce high-tech equipment and instruments, test them, automatically diagnose their internal codes, composition and structure, and find out the faults of their internal control. Diagnosis is the most important thing in modern automobile maintenance. Correct fault diagnosis can not only reduce the waste of manpower and material resources, but also minimize the mistakes in maintenance, which requires high-precision instruments and equipment. For internal faults, such as abnormal program code or control system, we should also rely on external devices to repair and improve loopholes. Aiming at the maintenance of modern automobile technology, detection, diagnosis and maintenance equipment have become indispensable tools, such as four-wheel positioning instrument, automobile special oscilloscope, decoder, automobile special electric meter, engine analyzer, computer dynamic balancing machine, exhaust gas tester and so on.
(six) the establishment of fault diagnosis expert system
At present, the number of cars in China is increasing rapidly year by year, and more and more advanced models are imported, with various varieties and complex models. The structural control methods of different brands of vehicles are different, so it is impossible for automobile maintenance personnel to be familiar with the structure of all models, and their experience in handling one model is not enough to support the maintenance and debugging of other models. Therefore, many automobile maintenance enterprises are unable to meet the needs of modern automobile maintenance market due to the lack of technical guidance from relevant maintenance experts. Therefore, it is necessary to establish a fault diagnosis expert system, and use the powerful information processing function of computer network to collect technical data, fault performance, diagnosis procedures, repair technology, composition principle, possible faults and treatment and prevention methods of various brands and models. Such a network can realize the enjoyment of modern automobile maintenance technology and improve the overall level of modern automobile maintenance technology in China.
(seven) to establish a network platform to provide online consulting services.
Modern automobile maintenance equipment is new, the vehicle type is complex and the technology content is high. Without the corresponding structure introduction, diagnosis data, circuit diagram, related procedures and a large amount of data and information, technicians have no way to start. The more complex the automobile structure is, the more subtle the possible faults are, and the more difficult it is to detect and maintain. The more maintenance personnel need data information to analyze and check. However, unfamiliar with the model and different control will lead to maintenance difficulties. Therefore, establishing a network platform and providing online consulting service can reduce the pressure of maintenance technicians and provide them with a platform for collecting data and solving intractable diseases encountered in maintenance.
Fourth, the development trend of modern cars
With the maturity of LAN control, data bus technology and embedded system, the integration of automotive electronic technology will become the development direction of modern automobiles, such as the integration of engine management system and automatic transmission control system into the integrated control of power transmission system. Intelligent control method introduces adaptive control, fuzzy control, robust control, optimal control and neural network control, which promotes the development of automobile intelligence, and automobile intelligence will also become a direction of automobile development. At the same time, modern cars will continue to develop into networks, and vehicle-mounted network systems will also become the general trend.
Facing the development trend of modern automobile industry, modern automobile maintenance should also adapt to the development of automobile and keep pace with it. In short, in the modern automobile maintenance industry, it is imperative to constantly update technology, improve equipment, carry out brand management, improve the comprehensive quality and diagnostic analysis ability of technicians, abandon traditional concepts, establish modern concepts, pay attention to maintenance, pay attention to efficiency, and advocate the service quality, brand and modernization of automobile maintenance industry.
References:
Zhang Jing, Wang Yunlong. Analysis on the application of traditional diagnosis technology in modern automobile maintenance [J]. China Science and Technology Fortune, 2011(14): 34-37.
[2] Pan Caifeng. Application analysis of traditional fault diagnosis methods in modern automobile maintenance [J]. Commodity and quality? Academic observation, 2013 (05):13-16.
[3] Zhang Guobin. Characteristics and technical analysis of modern automobile maintenance [J]. China Science and Technology Investment, 20 13 (16): 04-07.
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