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143results about How to "Change design" patented technology

Hydrogen generator

InactiveCN103451671AChange designGive full play to work efficiencyElectrolysis componentsSignal onControl cell
The invention discloses a hydrogen generator comprising a hydrogen generating device and a controller part, wherein the controller comprises three phases of electricity respectively connected to input ends of a rectifying circuit and a switch power supply; output ends of the rectifying circuit and the switch power supply are respectively connected to input ends of a direct current switch circuit and an intelligent program control unit; the output end of the intelligent program control unit is connected with the hydrogen generating device through the direct current switch circuit; a current signal, a temperature signal and a pressure signal on the hydrogen generating device are connected with the intelligent program control unit; the hydrogen generating device comprises an electrolytic bath and a cooling system; heat exchangers are respectively arranged on two sides of the electrolytic bath; the heat exchangers are provided with inlets/outlets for circulating cooling water; the inlets/outlets of the heat exchangers, together a cooling system, form a circulating cooling system through pipelines and a water pump; an oxyhydrogen gas outlet is formed in the upper part the heat exchanger close to the electrolytic bath. The hydrogen generator, through organically combining the electrolytic bath and the cooling system, changes a normal direct current power supply way on an aspect of electric control.
Owner:侯艳杰

Visual tracking-based error observation feedforward control method

The present invention discloses a visual tracking-based error observation feedforward control method. Into order to solve the problem of insufficient error suppression bandwidth of current fast steering mirror feedforward, the invention provides a method for increasing the error suppression bandwidth of a system so that the system can be adaptive to the tracking of highly-maneuvering targets. According to the core idea of the invention, the acquisition path of an estimated position and a feedforward node are changed; visual error provided by a CCD and the direct output of a position controller are fused, so that an observation position can be obtained; the position quantity is made to pass through a feedforward controller; the position amount can be directly fed forward into a driving output quantity; and therefore, tracking error can be further suppressed. Since external input data come from a CCD sensor, the method of the present invention is not affected by the delay and noises of other external sensors; the method adopts the visual error as input; and therefore, the method is not only effective for target tracking, but also effective for the disturbance suppression of a CCD-based fast steering mirror, and the use range of the method is wide.
Owner:INST OF OPTICS & ELECTRONICS - CHINESE ACAD OF SCI
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