Aac Technologies Pte. Ltd.

Shenzhen China Star Optoelectronics Technology Co., Ltd.

Xiang Lu

Zheng Xiang

Hanlin Deng

Liang Jiang

Yajun Zheng

Yulei Zhang

Xiuyue Wang

Xuan Guo

A method for compensating a signal of a motor includes acquiring an original signal and nonlinear parameters of the motor; calculating a compensation signal for the original signal according to the acquired nonlinear parameters; and loading the calculated compensation signal into the motor to excite the motor to vibrate. An electronic apparatus and a storage medium are also provided. In this method, the original excitation signal is compensated for nonlinearity according to the nonlinear motor parameters, and is then used for exciting the motor. Therefore, the actual vibration effect can be closer to the expected effect as designed, which can bring more desirable tactility experience.

Method for compensating signal of motor, electronic apparatus and storage medium

A method for adaptive motor control includes acquiring current parameters in an operation process of the motor at a current moment; determining a type of a region in which the motor operates at the current moment according to the current parameters; triggering a corresponding motor model according to the type of the region in which the motor operates at the current moment; and inputting the current parameters into the corresponding motor model, generating control parameters for motor operation according to the current parameters, and controlling the operation of the motor according to the control parameters for motor operation. An apparatus and a computer-readable storage medium are also disclosed. In comparison with the conventional motor control which uses the single nonlinear model, the motor control method disclosed herein can greatly improve the reliability of the control.

Method and apparatus for adaptive control of motor, and storage medium

A method and device for audio signal processing is provided. The method includes steps of: obtaining an inputted audio signal; parsing the audio signal to obtain at least one audio feature; determining at least one vibration feature corresponding to the at least one audio feature; and generating a vibration signal corresponding to the audio signal according to the at least one vibration feature. The inputted audio signal is automatically converted into a vibration signal by the vibration feature corresponding to the audio feature of the inputted audio signal, which can avoid errors caused by manual operation and make the vibration signal possess high versatility.

Method and device for audio signal processing, and storage medium

The present disclosure provides a method for detecting a bandwidth of a linear vibration motor, including a linear vibration motor which comprises a housing and a motor vibrator. The method includes the following steps: step S: setting a target displacement level of the linear vibration motor; step S: measuring a displacement frequency response curve of the motor vibrator with reference to the target displacement level; step S: comparing the displacement frequency response curve obtained in step Swith a preset standard target displacement frequency response curve, determining whether the displacement frequency response curve is qualified, and if it is qualified, entering step S; step S: measuring a bandwidth of the linear vibration motor.

Method for detecting bandwidth of linear vibration motor

A method of generating motor driving signal includes: obtaining acceleration segment signal for driving motor to start vibrating, constant segment signal for achieving low-frequency vibration tactile effect of the motor, and attenuating segment signal for decreasing vibration quantity of the motor in low frequency manner, frequency of constant segment signal and of attenuating segment signal being smaller than frequency of acceleration segment signal; splicing the acceleration segment signal with the constant segment signal, and reserving idle period with no signal output therebetween to obtain first motor driving signal; adjusting parameter of constant segment signal of first motor driving signal according to vibration feeling requirement, and splicing attenuating segment signal after the adjusted first motor driving signal to obtain second motor driving signal; and adjusting parameter of attenuating segment signal of second motor driving signal, and determining second motor driving signal with highest braking efficiency as final motor driving signal.

Method of generating motor driving signal, electronic device and storage medium

The present disclosure relates to a motor control system and method based on current feedback signal. The motor control system includes a control apparatus, a linear motor, and a current feedback apparatus, where an output end of the control apparatus is connected to the linear motor for calculating a displacement error of a previous moment to obtain a control output value of a current moment, and converting the control output value into a voltage signal for transmission to the linear motor; the linear motor is configured to vibrate according to the voltage signal input by the control apparatus; and the current feedback apparatus is connected to the linear motor, and is configured to: convert a measured current value of the linear motor into an actual displacement value of the current moment, and feed back the actual displacement value to an input end of the control apparatus.

Motor control system and method based on current feedback signal

The present disclosure provides a method for measuring bandwidth of linear motor, including the following steps: step S: setting a frequency distribution of an excitation signal; step S: with reference to a target displacement level, measuring a steady state displacement peak of a motor vibrator at each frequency point of the excitation signal, and obtaining a frequency response curve with reference to the target displacement level; step S: according to the frequency response curve obtained in step S, determining an upper frequency limit and a lower frequency limit with reference to the target displacement level, and obtaining a bandwidth of the linear motor by calculating a difference between the upper frequency limit and the lower frequency limit.

Method for measuring bandwidth of linear motor

Embodiments of the present disclosure relate to the technical field of electronic devices, and a method for generating a motor brake signal is disclosed. In the present disclosure, the method for generating a motor brake signal includes the following steps: S: controlling a motor by using different brake signals respectively to obtain vibration margins of the motor corresponding to the brake signals; and S: selecting, from the brake signals, a brake signal with superior performance as the motor brake signal based on the vibration margins of the motor, wherein the smaller the vibration margin of the motor is, the more superior performance the corresponding brake signal has. The present disclosure further provides an apparatus for generating a motor brake signal. The method and the apparatus for generating a motor brake signal that are provided in the present disclosure enable the motor to have a good brake effect.

Method and apparatus for generating motor brake signal

A method and device for generating vibrating signal is provided in the present disclosure. The method of generating a vibrating signal includes the following steps: S, generating one unit cycle of basic vibrating signals, wherein the unit cycle is less than a preset threshold; S, obtaining N unit cycles of vibrating sub-signals by using the basic vibrating signal as a parent and changing a signal parameter of the basic vibrating signal, wherein the N is a positive integer; and S, generating a vibrating signal according to the N unit cycles of vibrating sub-signals. The present invention can generate a vibrating signal that can start to stop immediately, and the vibrating signal can be more rich in constructing the vibration mode, more realistic to simulate the actual vibration, and can be used in a larger range.

Method and device for generating vibrating signal

The present invention provides a method for sealing a peripheral frame of a display screen. The method for sealing a peripheral frame of a display screen includes providing a display screen that comprises a first substrate and a second substrate and the first substrate comprises a panel zone covered by the second substrate and a peripheral frame located outside the panel zone and making the display screen suction-attached to a substrate suction-holding platform to have one side of the second substrate that is distant from the first substrate attached to a separation and protection film provided on the substrate suction-holding platform with an edge of the first substrate set at predetermined spacing from a positioning plate provided on the substrate suction-holding platform so that a sealant injection device is operable to inject sealant along and into a gap between the edge of the first substrate and the positioning plate to achieve coating uniformity of sealant on the peripheral frame and precise control of thickness of sealant, and only a low level of accuracy of the sealant injection device is required to thereby greatly reduce manufacturing costs.

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Shenzhen, China

Xiang Lu