5results about How to "Improve running accuracy" patented technology

The application provides a wheelchair control system based on motor imagery electroencephalogram signals and surface electromyogram signals, and relates to the technical field of brain-computer control, comprising a data acquisition module, a system mode selection module, a signal processing module and a decision module; the data acquisition module is used for acquiring physiological signals of a wheelchair user and sending the physiological signals to the system mode selection module; the system mode selection module is used for selecting a processing mode of the physiological signals; the signal processing module is used for pre-processing the physiological signals and extracting signal features for identification; the signal processing module sends an identification result to the decision module; the decision module is used for fusing multiple instruction information and converting the instruction information into a final wheelchair control instruction, and outputting the control instruction to the wheelchair. The application can improve the operation accuracy of the control system, reduce the fatigue of the user when performing motor imagery behavior, improve the user experience and the application performance of the wheelchair control system, and expand the user range of the brain-controlled wheelchair.

The utility model relates to the technical field of hairdressing equipment, in particular to a rotary adjustable hair curling rod which comprises a shell, a hair curling assembly, a rotary shifting piece and an upper limiting block. The gear set of the rotary base is meshed with the driven gear, and the second gear teeth of the rotary shifting piece are meshed with the gear set, so that accurate rotation control over the curling iron is achieved, the curling angle and the curling direction can be adjusted more flexibly and stably, the curling effect and the user experience are improved, and the practicability is high. The heating piece is guided through the first moving guide rail and the second moving guide rail, the stability and accuracy of the heating piece in the hair curling process are guaranteed, the problems that a traditional hair curling rod is uneven in heating and unsmooth in hair curling are solved, the hair curling quality is effectively improved, and the upper limiting block and the top cover improve the structural stability of the hair curling rod and improve the hair curling efficiency. And in addition, the use safety is improved, the heating piece is prevented from accidentally falling off or shifting, and safer and more reliable use experience is provided for a user.

The actuator for the valve comprises a motor, a magnetic sensor and a transmission assembly, the transmission assembly comprises a transmission piece and a magnetic piece, the transmission piece comprises a transmission part and at least one installation part, the transmission part is connected with the motor so as to be driven by the motor to rotate, and the magnetic piece is arranged on the transmission part. The mounting part is arranged on the side, away from the motor, of the transmission part and comprises a plurality of elastic pieces arranged at intervals. At least one mounting hole is formed in the magnetic part, the magnetic part is matched with the magnetic sensor, the mounting part is inserted into the mounting hole and is in limiting fit with the magnetic part in the circumferential direction of the transmission part, and the transmission part is in limiting fit with the magnetic part in the axial direction of the transmission part. According to the actuator for the valve, in the installation process of the magnetic piece, the installation part can generate certain elastic deformation, and the damage risk of the magnetic piece in the installation process can be reduced.

The utility model provides a linear guide rail type AGV (Automatic Guided Vehicle) multi-mode positioning mechanical device, which belongs to the technical field of AGV multi-mode positioning mechanical devices and comprises a linear guide rail, the surface of the linear guide rail is connected with a driving sliding table mechanism in a sliding manner, and the two sides of the driving sliding table mechanism are respectively provided with a lubricating spraying assembly. A mounting platform is fixedly connected to the top of the driving sliding table mechanism, wiping and cleaning assemblies are arranged on the two sides of the bottom of the mounting platform, an AGV body is adaptively mounted on the top of the mounting platform, and the lubricating and spraying assembly comprises a lubricating oil tank. Through the arrangement of the lubrication spraying assembly, lubricating oil can be automatically sprayed between the linear guide rail and the driving sliding table mechanism, the lubrication degree between the linear guide rail and the driving sliding table mechanism is increased, the abrasion degree between the linear guide rail and the driving sliding table mechanism is reduced, and the operation accuracy of the linear guide rail and the driving sliding table mechanism is improved; zero manual maintenance is realized, and the labor capacity of workers is reduced.

A kind of suspension type maintenance platform, including top frame, motor is fixedly arranged on top frame, first transmission wheel is fixedly arranged on the output shaft of motor, transmission shaft is arranged on top frame, steel wire rope reel is fixedly arranged at the both ends of transmission shaft, lifting platform is arranged below top frame, the steel wire rope of steel wire rope reel is connected with lifting platform;One guide structure is respectively arranged at the four corners of the lower side of top frame, guardrail is arranged around lifting platform, locking mechanism is arranged on guardrail.The utility model drives lifting platform to go up and down by motor, steel wire rope reel and multiple steel wires, and guarantees operating stability by guide wheel and guide structure, ensure that lifting platform is along set path smooth operation, improve operating accuracy, guardrail improves the protection capability of maintenance platform, locking mechanism can improve the high-altitude stability of lifting platform, reduce shaking, ensure that maintenance personnel safely carry out maintenance operation.