The application of intelligent robots in reality In Silicon Valley in the United States, there is a startup company that brings robots into the real world with such a dream. The robot developed by the company can already be implemented in real complex scenes instead of artificially patrolling around the clock.
In environments such as parking lots, production plants, and office parks, there are gaps and loopholes in existing monitoring networks and security rotation mechanisms. The cost of manual patrolling 24 hours a day, 24 hours a day, is very high and is largely limited by the energy and dedication of the people. At this time, letting the robot cooperate with traditional security forces is obviously the best choice.
The tech giant Microsoft chose the robot as an important backbone force in the headquarters security force to perform patrols at night or in a park that is difficult for traditional manpower to cover.
The application of sensor technology in robots is just like the action of human organs such as eye, ear, and nose. Real-time perception of the surrounding environment is the basis of all smart robots' work. Therefore, sensor technology plays an important role in the robot industry.
Smart robots include laser scanners (also known as Lidar), GPS, high-definition cameras, microphones, thermal imaging, infrared sensors, ultrasonic ranging, gas detection, and more. With these sensors, robots can realize intelligent evolution that can “seeâ€, “listenâ€, “smell†and “perceiveâ€.
A seemingly simple Sony robot dog is equipped with a variety of sensor laser scanners. For security robots, one of the core challenges is how to make the robot autonomously patrol in a complex environment.
Location information can be made with GPS sensors, but it is not possible to operate in real environments if only absolute positions are available. In locations such as streets, factory areas, and parking lots, the location of passageways and obstacles (such as vehicles) often changes, and the robot will not be able to move in a fixed path that relies solely on absolute value location planning.
At this point, a laser scanner that can accurately collect contour distance information in real time can be used here. As shown in the figure below, two sets of SICK LMS111 laser scanners are installed on the top and the waist of the robot respectively to collect the surrounding environmental contour values ​​during the operation of the robot and generate data point cloud information for transmission to the main control system to achieve the following functions:
1) Navigation: Through the SLAM algorithm (Simultaneous Localization and Mapping, synchronous positioning and mapping), the robot constructs an incremental map of the surrounding environment, and based on this, the autonomous positioning and navigation of the robot is achieved.
2) Obstacle Avoidance: Regardless of fixed or moving obstacles, the contour data provided by the laser scanner can be detected in real time to realize intelligent obstacle avoidance.
3) Vigilance: The plane image information is collected by the camera alone and cannot accurately determine the actual location of the intruder. With the actual distance detection value of the laser scanner, the security robot can accurately detect the position of the intruder and perform different alert levels.
Why SICK Laser Scanner?
SICK is a globally recognized expert in the field of sensors. As the first company to launch commercial laser scanners in the world, the first products listed in 1993, more than 20 years of R&D, production and services have accumulated SICK's industry-leading experience in the field of laser scanners.
SICK truly understands the needs of its customers that it is a product that can work stably in a real environment instead of a laboratory prototype. Therefore, in addition to guaranteeing basic measurement performance, a large number of hardware and software measures are used to protect the sensors in all kinds of environments, especially in harsh environments. Stability in outdoor environments.
Global customers' trust:
♥ In the global ports, thousands of SICK laser scanners ensure the safe operation of large port machines outdoors.
公路 The roads and railroads from the south to the north around the world, a large number of products are faithfully recorded to monitor the traffic conditions.
♥ SICK's laser scanners play a role in AGV's irreplaceable navigation and obstacle avoidance functions at major logistics and storage centers.
♥ SICK LMS is an indispensable environmental profile data sensor in world-leading innovations such as Boston Powered Robots and Google's Terrain Acquirer.
The LMS111 laser scanner tested the performance of various laser scanners on the market in a comprehensive evaluation. The customer chose SICK LMS111 as the sensing part of the outdoor robot.
As a compact and compact laser scanner with a detection distance of 20 meters and a scan frequency of up to 50Hz. SICK has equipped it with IP67 high protection grade housing for outdoor applications and internal heating function (suitable for operating temperature -30～50°C).
In addition, with the internal high-speed hardware processing circuit and accumulated algorithm for many years of experience, LMS111 has many echo technologies, front mirror pollution inspection, fog filtration, particulate filtration and many other suitable for outdoor rain, snow, fog and dust and other bad weather. Unique secrets. This ensures the stable working performance of the scanner outdoors.
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