Sweeping robot solution: working principle and hardware composition

At present, sweeping robots are very popular. Today, we will explain the sweeping robot solution of Zuchuang Microelectronics. Let us understand the working principle and hardware composition of sweeping robots.

How does a sweeping robot know what the room looks like with its eyes and ears? Where are the cabinets, shoes, beds, seats, and people in the room? Could he know what these things were? The laser navigation sensor mainly constructs the outline of the reflective object, and uses the outline to compare the approximate reality of the object.

The ears of the sweeping robot are actually microphones. With a microphone + a voice intelligence algorithm in the CPU chip, the sweeping robot can answer questions fluently with you.

The eyes of the sweeping robot: Lidar. Lidar is mainly used to measure distance and identify objects.

Brain + cerebellum, which is the core processor of the sweeping robot: 3 core processors

1. The main control chip is mainly used for upper-layer applications. Including the operating system and voice, vision, and UI interface interactions are all managed by the main control chip, such as the quad-core processor of the Allwinner ARM Cortel-A7 architecture used by the Xiaomi sweeping robot.

2. The microcontroller is mainly used for path planning. Run the SLAM navigation algorithm to establish a virtual three-dimensional spatial map of the room.

3. Digital signal processor. This is mainly to issue instructions to the executing motors after path planning for the control chip, including the steering wheel (the sweeping machine moves forward and turns), the sweeping brush motor, and the vacuum cleaner motor to make these motors work.

The brain of the sweeping robot is mainly used for path planning, obstacle avoidance, and human-computer interaction. For example, humans set the cleaning range, and voice guidance of the sweeping robot to clean requires the processor to process and then issue the instructions to the execution mechanism.

The cerebellum is the control area closest to the executive layer. For example, as we mentioned above, the latter two processors: digital signal processor and microcontroller are both processors that control the executive layer (motor) and feed back external information.

There are three types of actuators for sweeping robots:

The steering gear for walking, the motor for sweeping the floor, and the motor for a vacuum cleaner. The dust swept up is sucked into the storage area, which is the working process of the sweeping robot.

Therefore, the core technologies of sweeping robot manufacturers in the industry basically focus on laser navigation and path planning, and will also add some humanized designs, such as voice interaction and so on.

Shenzhen Zuchuang Microelectronics Co., Ltd. has 20 years of electronic and electrical solution development and design and chip agency company, focusing on the solution design of sweeping robots and mini fascia gun solutions. At the same time, it can provide MCU, voice IC, Bluetooth IC and modules, wifi modules . The development capabilities cover PCB design, single-chip microcomputer development, software custom development, APP custom development, WeChat official account development and other hardware and software design.