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3results about How to "Guaranteed connection" patented technology

Stable adjustable lifting seat

ActiveCN224062347Ueliminate height differenceGuaranteed connectionLifting devicesControl theoryScrew thread
The utility model discloses a stable type adjustable lifting seat which comprises a base, a buffer seat is fixedly connected to the interior of the base, a stabilizing pipe is fixedly connected to the top of the buffer seat, a lifting threaded rod is slidably connected to the interior of the stabilizing pipe, and the outer wall, close to the stabilizing pipe, of the lifting threaded rod is in threaded connection with an adjusting nut. The outer wall, close to the adjusting nut, of the lifting threaded rod is in threaded connection with a locking nut, the outer wall, close to the locking nut, of the lifting threaded rod is in threaded connection with a fixing nut, the fixing base moving upwards drives the stabilizing base to move upwards, and the stabilizing base moving upwards drives the connecting pipe to move upwards through the overturning rod. The connecting pipe moves upwards to drive the stabilizing plate to move upwards, the stabilizing plate moving upwards can make the stabilizing plate overturn around the overturning rod by limiting the limiting pipe through the locking groove, the stabilizing plate in overturning movement can overturn along with rising of the fixing base, and stability of the fixing base can be kept.
Owner:BIAOZI AUTOMATION EQUIP (DONGGUAN) CO LTD

Vehicle transportation task seamless arrangement control method based on space-time three-dimensional collaborative optimization

The invention relates to a vehicle transportation task seamless arrangement control method based on space-time three-dimensional collaborative optimization. The method comprises the following steps: constructing a task operation point set and a space-time constraint set; under the space-time constraint set, taking minimization of vehicle completion time and task gap time as an optimization target, and solving to obtain a task sequence corresponding to each operation point; according to the method, time arrangement is carried out on a task sequence corresponding to each operation point, seamless connection verification is carried out on adjacent tasks corresponding to the same operation point, local scheme adjustment is carried out when verification fails, and the working state of each vehicle is correspondingly controlled based on all successfully verified task sequences. And closed-loop control is carried out on the running process of the vehicle between the operation nodes. Compared with the prior art, the space-time accurate matching of the transport vehicle and the transport task can be realized through the space-time accurate control of the automatic driving transport vehicle, the task interruption and the vehicle waiting can be effectively avoided, the task can be continuously executed on the time axis, and the seamless connection can be realized.
Owner:TONGJI UNIV +1

Vehicle brake control method, system, vehicle, and electronic device

PendingCN122211196AIgnore the risk of overchargingTaking into account life spanSpeed controllerElectrodynamic brake systems
This invention provides a vehicle braking control method, system, vehicle, and electronic equipment, relating to the field of vehicle braking technology, to solve the problem of uneven vehicle braking caused by delayed intervention of electromagnetic braking force and asynchronous response with friction braking force. The method includes: in response to detecting that the brake pedal opening is greater than a braking trigger threshold, sending a braking trigger signal to a motor controller; the motor controller executing a braking operation according to the control command of the brake controller; determining the target electromagnetic braking force requirement and the target friction braking force requirement based on the rated electromagnetic braking force limit of the motor controller, the preset charging power of the battery, and the total braking force requirement; generating a first control command based on the target electromagnetic braking force requirement and sending it to the motor controller to cause the motor controlled by the motor controller to execute a corresponding electromagnetic braking response; and generating a second control command based on the target friction braking force requirement to control the braking actuator controlled by the brake controller to execute a corresponding friction braking response.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD