5results about How to "Avoid temperature overshoot" patented technology

The invention discloses a multi-stage temperature accurate control method based on a neural network algorithm, relates to the field of oven temperature control, and particularly comprises the steps of setting a final target temperature # imgabs0 #, and dividing a heating process of heating to the final target temperature # imgabs1 # into a rapid temperature rise stage, a temperature rise control stage and an accurate temperature control stage, an intermediate target temperature # imgabs2 # is set in each stage so as to gradually approach the final target temperature # imgabs3 #; according to the established oven system model, the influence of different intermediate target temperatures # imgabs4 # on temperature response is analyzed, and a proper intermediate target temperature # imgabs5 # combination is found; the heating temperature # imgabs6 # of the heating wire and the temperature # imgabs7 # in the oven are detected in real time through a temperature sensor, and then segmented control is conducted; through segmented control, the temperature rise rate and control precision of each stage are optimized, overshoot is reduced, the response speed is increased, the target temperature is gradually approached, and temperature overshoot caused by one-time large-amplitude temperature rise is avoided.

The invention provides a temperature detection method, a heating power control method and semiconductor equipment. The temperature detection method comprises the following steps: acquiring a current temperature measurement value and a current rotation position of a reference support fork, and determining a current light path included angle according to the current rotation position and the number of support forks; calculating a temperature correction coefficient according to the current light path included angle, the current temperature measurement value and the current rotation position; and calculating a current temperature measurement average value according to the N historical temperature measurement values and the current temperature measurement value, calculating a current temperature measurement correction value according to the temperature correction coefficient and the current temperature measurement average value, and taking the current temperature measurement correction value as a current temperature detection value output by the temperature measurement device. According to the method, in the temperature measurement data processing process, the light path included angle and the rotation position are introduced, compared with an existing data average processing mode, the temperature measurement data stability is improved, accurate control over the real-time temperature can be achieved, meanwhile, temperature overshoot is effectively restrained, and therefore the temperature control stability of the heat treatment cavity is improved.

Embodiments of the present application provide an air conditioner control method, device, air conditioner and medium; the method comprises: obtaining the operation parameter of an air conditioner, building information of a building where the air conditioner is located, environment information and user set temperature; determining building heat load according to the building information and environment information; determining target building heat load according to the building information, environment information and user set temperature; determining target time according to the user set temperature, environment information, building heat load and operation parameter of the air conditioner; determining target compressor frequency according to the target building heat load; adjusting the compressor frequency of the air conditioner according to the target compressor frequency and target time. The temperature overshoot phenomenon caused by response lag in the traditional air conditioning system is effectively avoided, and it is ensured that the indoor temperature can be smoothly and quickly reached and maintained in the ideal range set by the user.

This invention discloses a testing device for sensitive components of a linear temperature-sensitive fire detector, belonging to the field of fire detector testing technology. It includes a housing, a heating system, a temperature control system, and a heat dissipation system. The heating system employs a surface-mount heat conduction heating cavity and a matching heating device. The temperature control system is based on a PLC industrial control integrated computer. This invention designs standardized testing methods for both constant-temperature and differential-temperature alarm-type sensitive components. During the heating process, online thermal characteristic identification and predictive temperature control algorithms achieve precise regulation of the temperature rise rate. During the constant-temperature process, a Smith predictor combined with an adaptive PI algorithm achieves stable temperature control. Multiple safety protection functions are also included. This invention solves the problems of low temperature control accuracy, non-standardized testing procedures, inability to realistically simulate the temperature rise process, low testing efficiency, and potential safety hazards in existing testing methods. The testing process closely matches the actual working environment of the component, and the results meet standard testing requirements.

The invention discloses demagnetized bead cell incubation integrated equipment which comprises an equipment body, two independently arranged incubation chambers are arranged in the equipment body, a temperature adjusting component is arranged in each incubation chamber, a shaking table is arranged in each incubation chamber, the shaking table is provided with a positioning cavity for positioning incubation test tubes, and the incubation test tubes are arranged in the positioning cavity. A closing cover plate for closing the upper end opening of the incubation chamber is also arranged at the top of the equipment body; the equipment body is provided with a magnetic generator capable of generating a magnetic field at the bottom of each incubation chamber; according to the invention, a cell incubation function and a demagnetic bead function are integrated, so that during cell incubation work, transfer is not needed in multiple devices, time and labor are saved, through segmented control, the temperature rise rate and control precision of each stage are optimized, overshoot is reduced, the response speed is increased, and the target temperature is gradually approached; and temperature overshoot caused by one-time large-amplitude temperature rise is avoided.