Research on Hydraulic Machine Product Development Strategy for Mass Customization Mode Ma Li1, Zhang Zhi2, Zhu Vana 2, Zhan Congchang (1. Foshan Radio and Television University, 528000 2. Foshan Kangsida Engineering Technology Research and Development Center 3. Wuhan University of Science and Technology The concept of the formula. This paper combines the mass customization model to explore the way in which the product development and production management model realizes the transition from mass production mode to mass customization mode.
1 The challenges of product development under the traditional mass production mode As the market continues to be subdivided, the needs of users are becoming more diverse.
Many companies want to face changes in the market by increasing the product range or product variety, and strive to maintain large-scale production in the face of rapidly differentiated markets in an attempt to obtain benefits from mass production. In many cases, just because companies lack sufficient responsiveness and innovation to the market, large-scale production has become increasingly unable to adapt to market changes in the face of a constantly individualized market. This situation makes the manufacturing industry face severe challenges, mainly reflected in the following aspects: (1) profound changes in production methods. With the development of science and technology, many production organization methods, processing techniques or costs that were difficult to achieve in the past The high processing technology has become very simple and easy today.
Specialized division of labor and international assistance in production mode have become very realistic.
(2) The rapid improvement of technical means, the wide application of modern sensing technology, detection technology and automatic control technology also makes it possible to produce high-performance intelligent machine equipment. But all companies are faced with the problem of how to use technology to maintain the competitive advantage of the company. The current market environment is that products of companies in various industries are losing more and more differences. The use of approximate technology here is one of the main reasons for the increasing homogenization of enterprises. On the other hand, technology is also the most effective means of forming product differences. Regardless of the industry in which the company is engaged, the use of technology to capture and maintain competitive advantage is critical.
(3) The market demand pattern has changed, mainly reflected in the changes in user demand. User requirements put forward four clear requirements for manufacturers: STQC, which is perfect service, accurate delivery, excellent quality and reasonable cost. Specifically, the user puts forward their product performance requirements, acceptable costs, delivery time, service and other requirements, and the manufacturer carries out special optimization design according to their actual situation. Instead of choosing a product that is close to meeting their needs, the product that the manufacturer can offer. This requires the manufacturing industry to provide high quality, specialized machinery in a shorter period of time. The life cycle of the product is shortened, the update speed is accelerated, the variety is diversified, and the production volume is reduced. Many products are difficult to market due to the optimization of the manufacturers, and have to make a lot of improvements according to the needs of other users.
(4) The leading products of many domestic companies have achieved great success in production and use in the past period of time, but there are few technical breakthroughs. Therefore, in the case of technology outflow, many counterfeit manufacturers have appeared, and because of the state-owned enterprises The burden of production is higher, and the competitiveness of similar products has declined. After China's accession to the WTO, faced with international and domestic competition, how to form the core competence of enterprises and maintain the competitiveness of enterprises is an urgent task.
(5) The state-owned company has already achieved the initial establishment of a modern enterprise system and must operate in accordance with the laws of the market economy. The modern enterprise structure will inevitably pose new challenges to the management mode, production mode and design development mode of the enterprise. Such as these require our company to carry out changes in management structure, technical transformation, personnel knowledge update and production layout and product structure adjustment. If we do not carry out technological transformation and renewal, and keep up with the development of today's high and new technology, there will be no opportunities for development, and we will gradually lose our original advantages and be eliminated. We believe that the core ability of a manufacturing enterprise in the future competition is to respond quickly to the needs of users, rationally utilize various levels of technology and resources, and constantly innovate to develop products that suit the needs of users. To achieve this goal, we propose to gradually implement a mass-customized production model in the enterprise.
2 Mass Customization Mode customization refers to the development of products for specific needs of the market or for individual users.
Faced with the increasing reality of the task of custom design based on user needs, for traditional large-scale production enterprises, additional cost and time delays are almost inevitable when customizing products.
The mass customization model we will introduce is to enable companies to organize the production of products in a customized production manner with the speed and efficiency of mass production. It is a concept associated with mass production models. The purpose of mass customization is to accurately meet the needs of users, and to enable Ma Li, female, engineering doctor, graduated from Huazhong University of Science and Technology in 1997, is currently a lecturer at Foshan Radio and Television University, engaged in hydraulic technology, artificial intelligence, enterprise management information systems, computers. Research on topics such as network engineering.
Zhang Zhi, male, master of engineering, graduated from Wuhan University of Science and Technology in 1999. He is currently an engineer at Foshan Kangsida Engineering Technology Research and Development Center. He is engaged in research on hydraulic technology, intelligent control, expert systems and systems engineering.
Zhu Vana, male, doctor of engineering, graduated from Huazhong University of Science and Technology in 1997. He is currently the director of Foshan Kangsida Engineering Technology Research and Development Center, and is engaged in research on hydraulic technology, intelligent control, expert systems and systems engineering.
Zhan Congchang, male, professor, Wuhan University of Science and Technology, engaged in research on hydraulic control, reliability technology, computer-aided testing and other aspects.
The price is acceptable to the user and makes the business profitable. The huge challenge for the mass customization model is to demonstrate unlimited product performance diversification without the additional cost and time delays due to the diversification of product performance.
The challenge for mass-produced manufacturing companies is to reduce the internal diversification of products to a certain extent, enabling companies to manufacture products flexibly without additional cost and time delays due to processing preparation. The design phase is done by standardizing parts, features, materials and processes.
The comparison between mass production and mass customization is shown in the table.
Comparing content Mass production Large-scale custom organization is complex, and the result of large-scale production organization is that it produces many levels and bureaucratic styles, and there is almost no effective information exchange between various functional departments.
The organizational structure is flat. In order to switch to the mass customization model, the vertical functional divisions must be linked through multi-functional teams, information sharing and horizontal process integration.
Design Due to the long-term response to various custom tasks, design engineers are struggling and have no time to innovate.
Product serialization tends to increase, and the number of parts tends to increase.
The product design cost is high, the design efficiency is low, and the design quality is unstable.
Product technology level is difficult to achieve breakthrough improvement, product added value is low.
Product serialization, modular design tasks.
Engineers save a lot of time through modular design, computer-aided design, and can focus on innovative design.
Product reliability on the combination of sizing modules is greatly enhanced.
It is easy to implement system function expansion and increase product added value.
Manufacturing is optimized for a certain type of product, and the production of customized products often has a large impact on the production line.
It is difficult to implement the ISO quality management system.
Reasonable logistics configuration and versatile process can produce various products with the benefits of large-scale production. Generalized production requires ISO quality management system assurance.
Sales users and companies use relationships as a link, and they care about how to market existing products.
Users and enterprises use technology as a link, and they are concerned with how to adopt appropriate technologies to meet customer needs, that is, technology sales models.
Cost increases operating costs due to design and manufacturing delays. Product diversification increases management costs.
The reaction is fast, the design and production cost is reduced, and the standardization reduces the management cost.
3 Advantages of product development strategies based on mass customization model The benefits of mass customization to enterprises are: (1) Products that are accurately customized according to user requirements better meet their needs. Because customized products better meet user needs and are more valuable to users, custom products may have a premium. Products that are tailored to the needs of the user may have few or no competitors at all, so it is somewhat monopolized and has a price advantage.
(2) Mass customization mode is a production mode that completely changes the user's expectations. In the beginning, users may not be willing to buy products that are closest to their requirements, but when companies offer products at attractive prices and accurately, they will no longer be satisfied with similar products. I want to get something that exactly meets my requirements, and I think that such a product is valuable. At this time, mass customization enterprises can choose between two situations: one is to maximize the benefits from cost and price, and the other is to benefit the users from the cost savings to enhance the price. Competitive and expand market share.
(3) The mass customization model can expand the market. Even if it is not customized for a single user, the mass customization model can effectively provide products for many small-volume markets, otherwise these small-volume markets may be overlooked. Even if enterprise products are involved in the competition of many small-volume markets, the generalized modules can still achieve economies of scale. In small-volume markets, mass-customized companies are more competitive than less flexible competitors.
(4) Mass customization is a good way to conduct market research.
By tailoring certain products, it is possible to predict user preferences associated with mass production models. Saved on the cost of specialized market research.
(5) Mass customization companies can quickly adapt to changes in the market, technology, standards and trends. Mass customization companies are able to continuously introduce new products using a variety of standard modules. Flexible design and manufacturing enable companies to effectively and continuously deliver a range of improved products that are new to the user. Because new products are based on modularity and original design, they don't have to be brand new. If only a few modules need to be changed and the expanded product can be quickly integrated into a flexible manufacturing environment, the life of the product can be extended to similar levels as standard products.
(6) Mass Customization Mode The order is completed according to the custom order, which makes the order have an advantage in the completion time. Efficient mass-customized operations deliver custom-made products that are ordered to produce faster than competitors who have customized them in difficult ways.
Rapid delivery requires prompt payment. Fast delivery can be used as a basis for requiring users to pay quickly. This will greatly reduce the interest expense on funds invested in the production of the product.
(7) If users avoid buying unneeded options, they can save money. Because users can order custom products that only have the functionality they need, they don't have to buy the entire bundled feature pack because they really need a feature. Even if they pay extra for a feature, they save money by avoiding unwanted features. If the manufacturer can charge an extra fee and the user pays less, they can get what they really need, which will be a real win-win situation.
(8) Adopting a mass customization model is conducive to starting from the technical level, continuously promoting the company's ideas and systems in management, production, sales and service, and completing the transformation of the enterprise into a modern management model.
4 The key to introducing a mass customization model to key enterprises that introduce mass customization models is the two key points: (1) Good product definition.
In general, good product definitions are very important for product development and even more important for mass-customized products. (Continued on page 23) After discretizing LT, the expression is: where K is not possible to use floating-point operations due to the tight current loop time. For this procedure, a 16-bit integer multiplication with signed numbers is used. For the decimal point, the processing is as follows: first, the number of decimal points is multiplied by 2 to the nth power, and after multiplication, the result is divided by 2 n powers, because 2 times multiplication and division in the computer It is easy to implement, for example: P, after multiplication, the result is divided by 2 to the 3th power. If you need to further improve the accuracy, n can be taken as a larger number such as 4 or 5, when n is larger, Pay attention to the overflow problem after multiplication.
The speed loop usually requires no static difference in the speed loop and has high anti-interference ability. Therefore, according to the type II system design, the ST selects the PI regulator, and its design method is similar to the current loop, and will not be described again.
(2) Debugging method First, debug the current loop, delete the speed loop operation part in the main program (reset to comment), only keep the open interrupt and jump instruction, and use the speed reference signal as the given signal of the current loop. Input the square wave of the given signal (200Hz~1000Hz), set the PI coefficient of the current loop in the initialization program, run the program, observe the waveform of the current reference and current feedback, and repeatedly adjust the PI coefficient until the current feedback waveform is satisfactory. Then debug the speed loop, add a square wave of 0.1~1.0Hz to the speed given end, run the program to observe the waveform of the speed feedback, and adjust the PI coefficient until it is satisfactory.
5 Conclusion Using 80C196MC to form a PWM speed control system has the characteristics of reliable hardware, simple circuit and strong software function. The whole system can achieve better dynamic and static performance and has practical application value.
The hardware circuits, software structures, and program fragments described above have all been proven to work properly.
Sun Hanfang? Intel 16-bit microcontroller? Beijing University of Aeronautics and Astronautics Press, 1995 He Xiwen and so on? Intel 8XC196MC/MD high-end single-chip principle and its design? Dalian University of Technology Press, 1995 He Zhenyi? Electric drag automatic control system? Textile Industry Press, 1991 Chen Yuquan? Shirt computer and microcontroller control technology? University of Electronic Science and Technology of China published Li Youshan and so on? Fuzzy Control Theory and Its Application in Process Control, National Defense Industry Press, 1993 [6] Wang Fengqi? Sliding mode variable structure control? Mechanical Industry Press 1998 [7] Yuan Jun and so on? Research on adaptive neuron control DC PWM speed control system? Electricity meets enough customers to be competitive. The definition of mass-customized products should enable the product range of the planned range to meet the requirements of many individual customers, or at least the market that meets specific needs.
Through systematic analysis and merging of product series, the product series is consistent with the long-term goal of the company, and find out the future prospects that are not suitable for flexible environment, low sales volume, indirect cost is too high, and are not really welcomed by customers. Limited, or those products that may lose money.
Rationalization analysis can guide companies to eliminate these unprofitable products.
Two indicators for measuring product definition: 1 Product can be customized: refers to the option that the customer (or middleman) can choose from the many options offered by a product that best meets the customer's needs. 2 Product adaptation: refers to the ability of the product to adapt to the needs of users.
(2) Modular and standardized design In order to enter the mass customization mode, the product is required to be modularized to provide a unique combination of modules for any customer. Companies have to go through the above activities in the innovation model to build new products, processes or organizational modules. Each module must be developed and consolidated, established with links to other parts of the enterprise, with high quality and ultimately adapted to a mass customization system.
5 Conclusion For the manufacturing industry, product development, production management and marketing based on mass customization mode are the inevitable trend of enterprise development in the future. To meet the fierce market competition at home and abroad, the host production plant must adjust its concept and mechanism. Transform from traditional mass production mode to mass customization mode as soon as possible.
Jiao Zhenxue? Advanced Manufacturing Technology? Beijing Institute of Technology Press, 1997 Zhang Yukun? The status quo and thinking of introducing advanced production management methods in China? Mechanical system Wulian silver? Jiang Ruiquan? Talking about the development of manufacturing industry under the condition of knowledge economy? Mechanical system Zhao Yuan? On the impact of the GATT on my electromechanical industry? Mechanical Manufacturing, David M. Anderson, etc? Agile Product Development in Mass Customization, Mechanical Industry Press, 1999 (12)
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