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In the beginning of 2020, the outbreak of the new crown epidemic has brought challenges to human life. As a carrier of non-contact services, robots have been recognized by the whole people in avoiding the risk of virus transmission and cross-infection. According to the "China Robot Industry Development Report" recently released by the Chinese Institute of Electronics, by 2021, with the rapid development of robots in emerging application scenarios, the market size of China's service robots is expected to approach $4 billion. With the gradual derivation of the commercial landing scene of robots, the future development of the industry still has a certain room for imagination.
As we all know, the robot is a collection of various technologies and functions. In addition to some software functions, the key part is still on the hardware module of the robot chassis. The robot chassis is not only the integration point of various sensors, machine vision, lidar, motor wheels and other equipment, but also carries the basic functions of the robot itself such as positioning, navigation, movement, and obstacle avoidance.
The importance of robot chassis to robots
The chassis is not only like the legs of a human being, but also has the ability to recognize the surrounding environment, build a surrounding map, determine its position (positioning) in the map, and plan the path to get to where you want to go. , During the period, you also need to avoid obstacles. It can be said that the completion of the chassis work is basically equivalent to completing about 70% of the robot body development work. If the Android interaction system of the robot is the brain, then in terms of importance, the chassis is a cerebellum. The chassis research and development capabilities undoubtedly raise the entry threshold of the robotics industry to a very high position.
Professional robot chassis research and development enterprises open the threshold for service robots
The emergence of professional robot chassis R&D enterprises has not only lowered the threshold for other companies to enter the service robot industry, but also made breakthroughs in functions and costs, paving the way for the large-scale development of service robots. After several years of development, major domestic robot chassis companies have also formed their own main battlefields. According to incomplete statistics, there are about 20 domestic companies that have marketed robot chassis.
Market disputes, dragons gather. After investigation, domestic robot chassis companies have formed their own characteristics after several years of development. The Yunji Technology chassis-Waterdrop, which is known for its stable and unmanned operation, is suitable for applications in strong mobile performance scenarios, such as the hotel industry, medical industry, inspection industry, etc.; Silan Technology Chassis-Zeus, known for its favorable price and portability , suitable for application scenarios with low requirements on mobile performance and partial interaction; while the EAI chassis, because of its low cost and open source algorithm, is more suitable for campus experimental applications; Guoxing intelligent special chassis is suitable for special requirements for terrain environment The scene is dominated by crawler machine chassis. In addition, Xianzhi and Stander chassis mainly focus on industrial-grade heavy load, which is characterized by magnetic rail type, low cost and heavy load.
Quick entry, the mobility of the robot chassis is the key
The robot chassis needs to integrate many different sensors such as lidar, vision, ultrasonic, and infrared sensors, as well as hardware such as moving wheels. Technologists need to use corresponding algorithms and software for fusion. The running ability of the robot chassis is an important indicator to measure the chassis, and the current chassis movement performance of various manufacturers is also very different.
First of all, due to the different focus of the algorithms of each manufacturer, the Yunji Technology chassis, which is known for its strong mobility, highlights the obstacle avoidance performance and the stability of the chassis movement; Prophet and Stander, who mainly focus on industrial-grade chassis, highlight the large load capacity. ; while other non-mobile chassis stand out for their low cost.
Secondly, the investment in hardware cost also affects the mobility of the chassis. ?Lidar has been widely used in many robots due to the advantages of high precision and fast response. At present, the price of domestic lasers on the market ranges from several hundred to one thousand, and the price of imported lasers ranges from 10,000 to 20,000 yuan. In addition, the number of sensors will also have an impact on the mobility of the chassis. The chassis of Yunji Technology, which is famous for its strong movement, adopts a very perfect dual active suspension system, which guarantees the movement performance of the chassis in terms of structural design.
The robot chassis belongs to the high-end manufacturing industry. If there is no fixed capital supply chain and technology accumulation, it will be difficult to achieve profit and increase income. For start-ups that want to enter the robot market, choosing a stable and mobile robot chassis can not only shorten the research and development cycle and enter the market quickly, but also an important guarantee for product performance.