38results about How to "Easy and reliable control" patented technology

The invention relates to a method of controlling a wind turbine (WT) by means of a wind turbine control system (WTCS) comprising a first controller (C1) and a second controller (C2), said controlling of said wind turbine (WT) comprising handling a first set of control functionalities (CF1-CFx) and a second set of control functionalities (CCF1-CCFx), wherein said first set of control functionalities (CF1-CFx) are non-critical control functionalities, wherein said second set of control functionalities (CCF1-CCFx) comprises one or more critical control functionalities (CCF1-CCFx) which are critical for the operation of said wind turbine (WT), wherein said first controller (C1) handles said first set of control functionalities (CF1-CFx), wherein said second controller (C2) is a safety controller controlling said wind turbine during emergency shutdown of said wind turbine (WT) by means of said critical control functionalities (CCF1-CCFx), and wherein said second controller (C2) furthermore controls one or more of said critical control functionalities to provide an output to control said wind turbine (WT) when the wind turbine (WT) is in a power production mode. The invention furthermore relates to a system, a controller and a wind turbine.

The invention discloses a method for controlling a limited area and equipment. The method comprises the following steps that: an area server presets an area identifier of the limited area, an association relationship and package application; the area server establishes two-way communication with area mobile terminals and/or controlled equipment in the limited area according to the area identifier, the association relationship and/or the package application; the area server calls the package application and controls the controlled equipment in the limited area through the two-way communication; or, the area server authorizes the area mobile terminals to control and synchronize the package application through the two-way communication, and authorizes the area mobile terminals to control the controlled equipment in the limited area, which corresponds to the package application, according to the package application. According to the area identifier, the association relationship among identifiers and the package application in correspondence to the controlled equipment, the equipment in the limited area can be safely and easily controlled.

The invention discloses a control device for a coach emergency escape door. The control device for the coach emergency escape door comprises a rotary disc, a pull line and an active telescopic device, the rotary disc is mounted on a machine frame by a rotary shaft, one end of the pull line is mounted on the edge of the rotary disc in the circumference direction of the rotary disc, the other end of the pull line is connected with an escape door lock-up mechanism, one end of the active extend-retract device is hinged to the machine frame, and the other end of the active telescopic device is hinged to the rotary disc. The control device for the coach emergency escape door has the advantages of being high in control speed and safety, practical and reliable and the like.

In a control system and method for controlling a medical device while observing sterile conditions, a portable controller is provided that has at least one inertial sensor to acquire acceleration data for a body part of a user. The portable controller further has a wireless interface for the transmission of the acquired acceleration data to a conversion module. The conversion module receives the transmitted acceleration data and converts it into instructions, and the instructions are used to control the medical device.

The invention discloses an expansion type emergency escape door for large and medium passenger vehicles, comprising a door frame, a rising window and a pedal, wherein the door frame is arranged on the side face of a vehicle body; a driving bent arm and a driven support arm which are used for translating up and down along the outer side of the vehicle body are mounted between the rising window and the door frame; and the pedal is articulated to the bottom of the door frame. When a passenger vehicle is in normal use, the rising window and the pedal are folded in the door frame, the rising window serves as a part of a vehicle window, and the pedal serves as a part of vehicle body skin; and in emergency escape, the pedal is turned downwards along a hinge, and the rising window is translated upwards along the outer side of the vehicle body, thereby forming an escape passage. The expansion type emergency escape door is low in manufacturing cost, convenient in opening and very short in opening time and is practical and reliable.

A device for holding and rotating a plate shaped article comprises a group of fixed pins and a group of pivot pins arranged along the circumference of the movable base in a manner that each pivot pin opposites a fixed pin, and also comprises magnetic bodies positioned within and outside two opposing sides of the pivot pins. Each of the pivot pins can be driven to rotate around its pivot back and forth under the magnetic repulsive force between two adjacent magnetic bodies, so as to release or clamp the plate shaped article. The present invention has advantages of simple structure, convenient and reliable action control, controllable clamping force and good compatibility with various processing chambers.

The invention provides a container crane. The container crane comprises a crane girder (3), a main carriage (1), a main carriage lifting appliance (2), a support pillar (4) and a lifting platform (5), wherein the main carriage (1) is arranged on the crane girder (3) and can move along the crane girder (3); the main carriage lifting appliance (2) is arranged below the main carriage (1) and can move along with the main carriage (1); and the lifting platform (5) is arranged at the downstream of the main carriage (1) in the container unloading stroke in a liftable manner, and is used for lifting the to-be-unloaded container. The container crane provided by the invention can be used for well eliminating the generation of waiting time for a lorry, can be easily used for the improvement on old equipment, has greatly increased operation efficiency, and causes no increase in the cost.

The present invention discloses a light source module, a light source module driving circuit and a driving method. The driving circuit comprises: a power supply, which provides input voltage; a control signal generating circuit, which inputs the input voltage provided from the power supply and outputs an enable signal and a dimming signal; a driving chip, which is connected with the power supply and connected to the enable signal and the dimming signal output from the control signal generating circuit, driving the light source of the light source module according to the enable signal and the dimming signal. Through the above way, the present invention utilizes the input voltage to generate the enable signal and the dimming signal. Therefore, it only needs to provide external input voltage to control the light source module in operation, which makes the control more convenient and reliable.

The invention belongs to the technical field of turbochargers, and particularly relates to a storage type turbocharger. The turbocharger comprises a casing, an air intake turbine, an air exhausting turbine and a driving device; an air exhausting passage, an air intake passage and an air intake storage groove communicating with the air intake passage are formed in the casing; a front-side air intake passage and a back-side air intake passage are arranged on the air intake passage; a front-side air exhausting passage and a back-side air exhausting passage are arranged on the air exhausting passage; the air intake turbine is arranged in the air intake passage; the air exhausting turbine is arranged in the air exhausting passage; the air exhausting turbine is fixed axially; the air intake turbine and the air exhausting turbine rotate coaxially; and the driving device is used for driving the air intake turbine to slide between the air intake passage and the air intake storage groove. The turbocharger has the beneficial effects as follows: when the storage type turbocharger is not required to work, the driving device controls the air intake turbine to be stored in the air intake storagegroove, the condition that the flow velocity of an air intake flow is reduced due to the fact that the air intake flow is hindered by the air intake turbine is prevented, and the air intake efficiencyof an engine is increased.

The invention discloses an automatic sliding-out type medicine box of a nursing robot, which comprises a box body outer wall, a medicine storage box, an electric control lock, an electric control lock catch, a first sliding rail, a second sliding rail, an installed bottom plate, a first angle adjusting screw and a second angle adjusting screw, can be installed in the nursing robot, and can automatically slide out of the medicine storage box under the control of a microcontroller, so that the medicine storage box can automatically slide out of the medicine box. The medicines are stored and taken under the reminding of the LED indicating lamp; when the medicine box is installed on the bottom plate, the pre-installation angle of the medicine box can be set through the angle adjusting screw, after the electric control lock loosens the lock catch, the medicine storage box can naturally slide out under the action of gravity, and the structure is reliable and stable. Under the control of the microcontroller, opening of the medicine box can be easily controlled, after the medicine storage box is pushed back and closed, a locked signal is returned to the microcontroller, and the intelligent control system has a feedback mechanism, is simple, convenient and reliable to control and can be well applied to a nurse assistant robot.

A double-wrap band brake assembly to be used for braking a rotating member fitted in a double-wrap brake band, which double-wrap brake band comprises an annular middle band with a friction surface formed on the inner periphery thereof, a pair of annular outer bands which are coupled to the middle band in a state that the respective free ends thereof are opposed to the free end of the middle band, and which respectively have friction surfaces on the inner peripheries, an anchor bracket secured to the working end of either one of the middle band and the outer bands and latched to the main body casing, and an apply bracket secured to the working end of the other of the middle band and the outer bands for receiving a force in the direction of constriction of the middle band and the outer bands from an actuator. At least one of the middle band and the outer bands is provided with a first friction surface which is brought into sliding contact with the rotating member with a first dynamic friction coefficient at the beginning of the braking and a second friction surface which is brought into sliding contact with the rotating member with a second dynamic friction coefficient larger than the first dynamic friction coefficient at the beginning of the braking.