A processing machine includes: a static pressure bearing configured to support a drive shaft; a fluid feeder configured to output a fluid to be supplied to the static pressure bearing, in accordance with rotation of a servomotor; a sensor configured to detect a physical quantity of the fluid output from the fluid feeder; and a control unit configured to control the rotation speed of the servomotor according to the physical quantity of the fluid.

A processing machine includes: a static pressure bearing configured to support a drive shaft; a fluid feeder configured to output a fluid to be supplied to the static pressure bearing, in accordance with rotation of a servomotor; a sensor configured to detect a physical quantity of the fluid output from the fluid feeder; and a control unit configured to control the rotation speed of the servomotor according to the physical quantity of the fluid.

A vehicle includes a chassis, an engine, a drum assembly, and a control system. The drum assembly includes a drum configured to receive drum contents and a drive system coupled to the drum. The drive system is configured to rotate the drum to agitate the drum contents. The control system is configured to operate the drive system at a drive speed; receive data comprising at least one of (i) a drum speed command from a remote monitoring system, (ii) a signal from a mixture sensor configured to acquire mixture data indicative of a current property of the drum contents, (iii) the current property of the drum contents from the remote monitoring system, and (iv) an initial property of the mixture from at least one of a batching system, the mixture sensor, and a user input device; and adjust the drive speed of the drum based on the data.

Servomotor (1) comprising: —a base body (10), —an actuator body (20) which is arranged on the base body (10)—a drive arrangement (40) which is coupled to a drive section of the actuator body (20) and, when the drive arrangement (40) is activated, brings about a movement of the drive section of the actuator body (20) in one of two opposing circumferential directions on the basis of this coupling, —a rotational guide (50) with which the actuator body (20) is rotatably guided on the base body (10) and by which the movement of the drive section of the actuator body (20) is converted into a rotational movement of the actuator body (20), —a resetting arrangement (80) which couples the actuator body (20) and the base body (10) to one another and applies a resetting force between them, which resetting force opposes the actuating movement of the actuator body (20), —a magnet-compensation device (90) which reduces or cancels out the resetting force applied by the resetting device (80).

Servomotor (1) comprising: —a base body (10), —an actuator body (20) which is arranged on the base body (10)—a drive arrangement (40) which is coupled to a drive section of the actuator body (20) and, when the drive arrangement (40) is activated, brings about a movement of the drive section of the actuator body (20) in one of two opposing circumferential directions on the basis of this coupling, —a rotational guide (50) with which the actuator body (20) is rotatably guided on the base body (10) and by which the movement of the drive section of the actuator body (20) is converted into a rotational movement of the actuator body (20), —a resetting arrangement (80) which couples the actuator body (20) and the base body (10) to one another and applies a resetting force between them, which resetting force opposes the actuating movement of the actuator body (20), —a magnet-compensation device (90) which reduces or cancels out the resetting force applied by the resetting device (80).

A method and an apparatus for controlling an unmanned aerial vehicle (UAV) are provided. The UAV comprises at least one rotor. The method includes: receiving a take-off preparatory signal instructing the UAV to enter into a take-off preparatory state; controlling the at least one rotor of the UAV to rotate at a preset rotation speed in response to the take-off preparatory signal, wherein the preset rotation speed is smaller than a rotation speed that enables the UAV to hover in the air; and controlling the UAV to enter into a hovering mode under a predetermined condition, wherein the UAV is controlled to hover at a predetermined height in the hovering mode.

A method and an apparatus for controlling an unmanned aerial vehicle (UAV) are provided. The UAV comprises at least one rotor. The method includes: receiving a take-off preparatory signal instructing the UAV to enter into a take-off preparatory state; controlling the at least one rotor of the UAV to rotate at a preset rotation speed in response to the take-off preparatory signal, wherein the preset rotation speed is smaller than a rotation speed that enables the UAV to hover in the air; and controlling the UAV to enter into a hovering mode under a predetermined condition, wherein the UAV is controlled to hover at a predetermined height in the hovering mode.

An Unmanned Aerial Vehicle (UAV) includes a fuselage, a plurality of rotors, and a sensor, wherein the fuselage includes a control module and a signal processing module, and the control module is connected the arms, which is used to control the rotation of arms. The sensor is configured to the fuselage of the UAV, which is used to detect the rotation change value of the UAV. The signal processing module is connected with the sensor and the control module, which is used to receive and analyze the signal of the sensor, and the control module controls the following flying of the UAV.

An operation control system for a mining machine includes, based on travel path information including at least information on moisture content of a travel path on which a mining machine operating at a mine runs, and position information being information on a position of a travel path corresponding to the travel path information, generating speed limit information for changing a speed limit for the mining machine to run on the travel path corresponding to the travel path information.

An operation control system for a mining machine includes, based on travel path information including at least information on moisture content of a travel path on which a mining machine operating at a mine runs, and position information being information on a position of a travel path corresponding to the travel path information, generating speed limit information for changing a speed limit for the mining machine to run on the travel path corresponding to the travel path information.