Abstract: A laser radar module includes a laser radar, an upper cover disposed above the laser radar, a lower case disposed below the laser radar, and a locking assembly for connecting the upper cover to the lower case. A gap is formed between the upper cover and the lower case for the laser radar to transmit and receive signals.

Abstract: The present disclosure provides a speed reduction device, a joint servo and a robot. The speed reduction device includes a driving device, a first stage speed reduction assembly and a second speed reduction assembly. The first speed reduction assembly includes a power gear and a face gear. The second speed reduction assembly includes a sun gear that rotates coaxially with the face gear, a planet gear set driven to rotate by the sun gear, a fixed gear, an output gear for outputting power and a fixed shaft. The speed reduction device uses the first speed reduction assembly and the second speed reduction assembly for power transmission and is compact in structure and has a high single stage transmission ratio.

Abstract: A robotic hand includes a servo housing, a printed circuit board (PCB), a motor, a planetary gear transmission assembly and a plurality of claws rotatably connected to the servo housing. The motor is electrically connected to the PCB. An input end of the planetary gear transmission assembly is connected to an output shaft of the motor, and an output end of the planetary gear transmission assembly includes a helical gear shaft and a number of helical gears that are engaged with the helical gear shaft and the claws. The helical gears correspond to the claws respectively. One end of each of the claws is rotatably connected to the servo housing, and the claws are rotatable toward or away from one another when driven by the helical gears.

Abstract: The present disclosure discloses a command control in a multi-servo feedback control system. The command control includes: a servo acquiring preset delay time when a first action command is received from a main controller via serial data bus; the servo sending feedback information to the main controller after the preset delay time; wherein the preset delay time of the plurality of servos are different from each other, and the feedback information is configured to identify work status of the servo; receiving a second action command from the main controller; performing actions corresponding to the second action command and sending the feedback information to the main controller after the preset delay time if the second action command is valid. A servo and a multi-servo feedback control system for performing the command control are also provided.

Abstract: A servo actuator ID setting method is performed by a servo actuator controlling system. The servo actuator controlling system includes a master controller and a plurality of servo actuators. One servo actuator is set to disconnect to a next servo actuator. A plurality of interfaces of the master controller are selected to turn on in sequence. The following steps are repeatedly performed to set servo actuator ID: broadcasting a signal to replace an original ID of each of the plurality of servo actuators with a target ID; the plurality of servo actuators in each branch connecting to the master controller; and replacing the original ID of each of the plurality servo actuator with the target ID.

Abstract: The present disclosure relates to a data upgrading method, including: transmitting a data region preparation request for preparing a data region, transmitting a length of the upgraded data packet via a block control instruction frame, wherein a node adjusts the data region according to the length of the upgraded data packet, receiving the length of the data region, and transmitting the upgraded data packet according to a predetermined sending sequence. As such, the abnormal operations may be avoided and the reliability may be enhanced.

Abstract: The present disclosure relates to a recharging robot system. The recharging robot system may include a signal emission device including at least one signal emission channel. The at least one signal emission channel each comprises an opening. A distance between two central axes of any two adjacent signal emission channels is gradually increased along a direction facing away the signal emitters. As such, an overlapping area of signal ranges of the at least two signal emitters may be reduced, and the robot may accurately determine which signal range that the robot is within, so as to accurately align with the recharging dock.

Abstract: The present disclosure relates to a frame transmission method and a frame transmission device. The data frame includes an arbitration field and a data field. The arbitration field includes a frame mode indication sub-field indicating a frame mode of the data frame, and the data field includes an instruction sub-field indicating instruction messages carried the data frame. A great deal of information may be obtained by the configuration of the present disclosure, and thus the transmission efficiency may be enhanced.

Abstract: A Bluetooth speaker includes an upper case and a lower case. The upper case and the lower case corporately define a receiving space, and the upper case and the lower case each include a mounting portion for connecting with a building block element. A circuit board, a loudspeaker, a Bluetooth module and a light emitting module are received in the receiving space, and the loudspeaker, the Bluetooth module and the light emitting module are electrically connected to the circuit board.

Abstract: The present disclosure relates to a critical point locking method of servos, including: computing a current target deviation according to a target position and an actual position, computing a variation value according to the current target deviation and a previous target deviation, determining whether the variation value being greater than a constraint value, modifying the current target deviation according to the current target deviation and a predetermined value upon determining the predetermined condition being satisfied, configuring the modified current target deviation as a current controlling deviation, and driving the servo to move toward the target position according the current controlling deviation. As such, the servo may lock the position for 360 degrees, the locking stroke of the servo may be improved, and the application of the servo may be enlarged.

Abstract: The present disclosure relates to a data transmission method for robot, including: transmitting an attribute reporting request to at least one node via an attribute request frame, receiving an attribute reporting response transmitted from the node, updating the length of a buffer according to the attribute reporting response when a length of at least one attribute to be reported being determined to be greater than the length of the buffer. The attribute reporting response carries the length of the attribute data, and receiving the attribute data reported from the node via at least one block data, when the length of the attribute to be reported being determined to be less than or equals to the length of the buffer.

Abstract: A robot includes a head, a shoulder, and a rotary structure. The head includes a housing and a fixing frame. Connection assemblies are disposed between the housing anti the fixing frame. Each of the connection assemblies has a fixing shaft fixedly connected to the fixing frame and a flange rotatably installed to the fixing shaft, and the flange is fixedly connected to the housing. The rotary structure includes an adapter rotatably connecting the fixing shaft about an axis of the fixing shaft and a drive source rotating the adapter. The adapter has an installation disc portion for connecting the shoulder and a drive portion for connecting the drive source.

Abstract: A foot structure for contacting the ground and connecting to a leg structure of a humanoid robot, includes: a foot assembly for contacting the ground; a first servo mounted on the foot assembly and including a first output shaft; a connecting assembly rotatably connected to the foot assembly and to constitute an ankle portion; and a second servo mounted on the connecting assembly and connected with the leg structure, the second servo including a second output shaft perpendicular to the first output shaft; the connecting assembly being arranged perpendicularly to the foot assembly and including a first connecting structure used to mount the first output shaft and rotatably connected to the foot assembly, and a second connecting structure connected to the first connecting structure and used to mount the second output shaft.

Abstract: The present invention discloses a servo control system and a servo. A servo control system includes a main control module; and a communication module including a first communication interface, a second communication interface and a control switch unit. First communication terminal and second communication terminal of the control switch unit are correspondingly coupled to the first communication interface and the second communication interface. First enabling port and second enabling port of the control switch unit are correspondingly coupled to two enabling terminals of the main control module.

Abstract: A face detecting and tracking method includes: acquiring an image and performing a face detection to determine one or more face boxes of each acquired image; performing a detection error removing process to the image of current frame, and saving one of the one or more face boxes of the processed image of current frame as a first face box; and determining a tracking box of the image of current frame based on the first face box and a tracked face box, and tracking the face in the tracking box of the image of current frame.

Abstract: A servo includes a housing including a gear shaft supporting and positioning structure therein, an electric motor arranged within the housing, a speed reduction gear set, an output gear shaft including a front end protruding out of the housing and a rear end located within the housing, an angle detection device, and a control circuit board. The electric motor is engaged with the output gear shaft through the speed reduction gear set. The rear end of the output gear shaft is connected to the angle detection device. The control circuit board is connected to the electric motor and the angle detection device. The angle detection device includes a magnetic sensor arranged on the control circuit board and a magnet that is connected to the rear end of the output gear shaft and located right in front of the magnetic sensor.

Abstract: A driving device of a robot includes at least one driving assembly and a fixing assembly that are arranged outside a base of the robot. The at least one driving assembly includes a motor, an omnidirectional wheel, a connection shaft used to connect an output shaft of the motor to the omnidirectional wheel, and a connection assembly used to connect the connection shaft to the motor and the omnidirectional wheel. The motor, the connection shaft and the omnidirectional wheel are arranged along a radial direction of the base, and the fixing assembly is used to fix the motor to the base of the robot.

Abstract: A waist structure includes: a support assembly located between a trunk structure and two leg structures; a waist servo mounted on the support assembly and two first-stage leg servos; and a transmission member connected between the waist servo and the first-stage leg servos. The waist servo connects the trunk structure to the support assembly, and the first-stage leg servos connect the support assembly to the leg structures. The waist servo includes an output shaft connected to the transmission member. Each first-stage leg servo has a connecting end. The transmission member includes a first connecting member and a second connecting member securely mounted on the connecting ends, the first transmission member mounted on the output shaft and connected to the first connecting member, and the second transmission member which is driven by the first transmission member connects to the second connecting member.

Abstract: The present disclosure relates to an anti-shake method of robot and a robot thereof. The method includes: receiving at least one motion-controlling instruction from a main control unit, determining whether a servo performs the motion-controlling instruction, obtaining a target angle and a current angle of the servo upon determining the servo is not under a control of a main control unit, determining whether the target angle and the current angle is within a fault tolerance range, terminating the servo upon determining the target angle and the current angle is within the fault tolerance range. As such, the shaking of the robot may be avoided when the robot performs actions, so as to reduce power consuming and to extend stand-by time.

Abstract: The present disclosure relates to a multi-turn angle controlling method based on an absolute position encoder, including: obtaining a target angle according to a starting position and a target position, and obtaining number of times N that the target angle passes a predetermined position, determining whether an absolute value of the target angle being greater than 360 degrees, conducting a first operation mode upon determining that the absolute value of the target angle being greater than 360 degrees, incrementing M by one when the operation angle passes the predetermined position until M equals to N, M is a positive integer and an initial value of M is zero, and conducting a second operation mode when M equals to N, N is a positive integer greater than 1.