Lidar-guided sweeping robots use a low-cost laser radar to obtain distance information from surrounding objects and use intelligent algorithms to plan paths and avoid obstacles. The advantages of sweeping robots using laser radar navigation are: high accuracy (in centimeters), and can be applied to larger (lasers with a radius of 5 meters can cover an area of ​​80 square meters); the disadvantage is that floor glass cannot be detected. Objects with high reflectivity, such as vases (lasers hitting such objects that do not receive scattered light), and rotating lidars may have life problems.
Machine vision-based robot sweeping refers to obtaining images through the camera and using algorithms to implement planning paths and avoid obstacles. The advantages of machine vision-based robots for sweeping are: there are no requirements for indoor objects, and they are adapted to various indoor rooms; the disadvantage is that, from the current point of view, positioning accuracy is lower than that of laser navigation (accumulation of positioning errors occurs), and the selling price is lower than that of lasers. Navigation sweeping robot high.
The characteristics of sweeping robots with different technical solutions
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Based on machine vision technology, sweeping robots, there are currently two products, one is iRobot980, one is Dyson 360 eye. This sweeping robot adopts SLAM (real-time positioning and mapping) technology. It can observe the room through the camera, identify the sign objects and main features of the room, and draw the room map through the triangle positioning principle to navigate to confirm its position in the room and where It has been cleaned and where it needs to be cleaned. Although the current price of sweeping robots with autonomous navigation obstacle avoidance is relatively high, iRobot 980 5800 yuan, Dyson 360 eye 7800 yuan or so, but the higher product prices are mainly due to emerging technologies Due to research and development costs, Dyson 360 eye's R&D investment is close to US$47 million. In the future, with the maturity of technology and the diversification of products, the impact of R&D costs on sales prices will gradually decrease.
1 2 3 Next>Ternary polymer lithium battery refers to a lithium battery whose positive electrode material uses a ternary positive electrode material of lithium nickel cobalt manganese or lithium nickel cobalt aluminate. There are many kinds of positive electrode materials for lithium ion batteries, mainly lithium cobalt oxide, lithium manganate, Lithium nickelate, ternary materials, lithium iron phosphate, etc. At present, the lithium battery of ternary material has replaced the lithium cobalt oxide battery that was widely used before, and is widely used in the field of notebook batteries.
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