阅读说明：本技术 电动机制动信号生成方法、装置和电机制动方法 (Motor braking signal generation method and device and motor braking method ) 是由 郑亚军 秦英明 于 2019-11-27 设计创作，主要内容包括：本发明涉及电机技术领域,尤其涉及一种电动机制动信号生成方法、装置、系统、介质和电机制动方法。电动机制动信号生成方法包括：获取第一驱动信号；根据第一驱动信号获取电机反馈的第一反馈信号,其中,所述第一驱动信号和所述第一反馈信号满足预设条件；在所述第一驱动信号结束后截取一段第一反馈信号；根据截取的一段第一反馈信号生成刹车信号；根据所述第一驱动信号和所述刹车信号合成电动机制动信号。本发明的方案具有能精确地降低电机余振、方案简单的优点。(The invention relates to the technical field of motors, in particular to a motor braking signal generation method, a motor braking signal generation device, a motor braking signal generation system, a motor braking signal generation medium and a motor braking method. The motor brake signal generation method comprises the following steps: acquiring a first driving signal; acquiring a first feedback signal fed back by a motor according to a first driving signal, wherein the first driving signal and the first feedback signal meet a preset condition; intercepting a section of first feedback signal after the first driving signal is ended; generating a brake signal according to the intercepted section of the first feedback signal; and synthesizing a motor braking signal according to the first driving signal and the braking signal. The scheme of the invention has the advantages of accurately reducing the residual vibration of the motor and being simple.)

1. A motor brake signal generation method, characterized by comprising:

acquiring a first driving signal;

acquiring a first feedback signal fed back by a motor according to a first driving signal, wherein the first driving signal and the first feedback signal meet a preset condition;

intercepting a section of first feedback signal after the first driving signal is ended;

generating a brake signal according to the intercepted section of the first feedback signal;

and synthesizing a motor braking signal according to the first driving signal and the braking signal.

2. The motor brake signal generation method according to claim 1, characterized in that: the first driving signal and the first feedback signal satisfying a preset condition include:

and when the first driving signal is finished, the first feedback signal is zero.

3. The motor brake signal generation method according to claim 1, characterized in that: intercepting a segment of a first feedback signal after the first drive signal ends comprises:

after the first driving signal is finished and the first feedback signal is zero, intercepting the first feedback signal with the length L, wherein the period of the first feedback signal with the length L is integral multiple of the half period of the first feedback signal.

4. The motor brake signal generation method according to claim 1, characterized in that: the step of generating a braking signal according to the intercepted section of the first feedback signal comprises:

and carrying out weighted calculation on the intercepted section of the first feedback signal to obtain a brake signal.

5. The motor brake signal generation method according to claim 3, characterized in that: the synthesizing of the motor braking signal according to the first driving signal and the braking signal includes:

after the first driving signal, the moment of intercepting the first feedback signal is taken as a starting point, the brake signal is combined to enter the first driving signal, and the obtained signal is the motor brake signal.

6. The motor brake signal generation method according to claim 1, characterized in that: the acquiring the first driving signal includes:

acquiring a second feedback signal fed back by the motor according to a preset second driving signal;

the most recent time T1 at which the second feedback signal is zero before the desired braking time is obtained, or

Obtaining the latest time T1' when the second feedback signal is zero after the expected braking time;

the second drive signal is made zero at time T1 or time T1' to obtain the first drive signal.

7. A motor braking method, characterized by comprising:

the motor is driven by using a motor braking signal to brake after the motor is operated, wherein the motor braking signal is generated by adopting the motor braking signal generation method of any one of claims 1-6.

8. A motor brake signal generation apparatus, characterized by comprising:

the first signal acquisition module is used for acquiring a first driving signal;

the second signal acquisition module is used for acquiring a first feedback signal fed back by the motor according to the first driving signal, wherein the first driving signal and the first feedback signal meet a preset condition;

the intercepting module is used for intercepting a section of first feedback signal after the first driving signal is ended;

the signal generation module is used for generating a brake signal according to the intercepted section of the first feedback signal;

and the signal synthesis module is used for synthesizing a motor braking signal according to the first driving signal and the braking signal.

9. A motor brake signal generation system, characterized in that the motor brake signal generation system comprises:

a memory for storing a motor brake signal generation program;

a processor for implementing the motor braking signal generation method according to any one of claims 1 to 7 when executing the motor braking signal generation program.

10. A medium, the medium being a computer-readable storage medium, characterized in that: the medium has stored therein a motor brake signal generation program that, when executed by a processor, implements a motor brake signal generation method according to any one of claims 1 to 6.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of motors, in particular to a motor braking signal generation method, a motor braking signal generation device, a motor braking signal generation system, a motor braking signal generation medium and a motor braking method.

[ background of the invention ]

Electric machines are ubiquitous in everyday life, for example, consumer electronics in everyday life and large machines in mechanical engineering. The motor is as turning into the device of mechanical energy with the electric energy, and large-scale motor in mechanical engineering mainly plays and provides mechanical energy, drives mechanical operation's effect, and the small-size motor in the electronic product in daily life mainly plays the effect that provides the feelings of shaking, promotes user experience's effect. No matter what kind of motor is in operation, after the drive signal is removed, the motor can produce aftervibration under the effect of inertia. Residual vibration can cause poor use of the motor. However, in the prior art, the scheme for reducing the residual vibration is more responsible and the effect is not good.

Therefore, it is necessary to provide a new solution to solve the above problems.

[ summary of the invention ]

The invention mainly aims to provide a motor braking signal generation method, a motor braking signal generation device, a motor braking signal generation system, a motor braking signal generation medium and a motor braking method, and aims to solve the technical problems that an existing motor residual vibration removing scheme is complex and poor in effect.

In a first aspect, an embodiment of the present disclosure provides a motor braking signal generation method, including:

acquiring a first driving signal;

acquiring a first feedback signal fed back by a motor according to a first driving signal, wherein the first driving signal and the first feedback signal meet a preset condition;

intercepting a section of first feedback signal after the first driving signal is ended;

generating a brake signal according to the intercepted section of the first feedback signal;

and synthesizing a motor braking signal according to the first driving signal and the braking signal.

Preferably, the first driving signal and the first feedback signal satisfying a preset condition include:

and when the first driving signal is finished, the first feedback signal is zero.

Preferably, the intercepting a segment of the first feedback signal after the end of the first driving signal comprises:

after the first driving signal is finished and the first feedback signal is zero, intercepting the first feedback signal with the length L, wherein the period of the first feedback signal with the length L is integral multiple of the half period of the first feedback signal.

Preferably, the generating a braking signal according to the intercepted segment of the first feedback signal comprises:

and carrying out weighted calculation on the intercepted section of the first feedback signal to obtain a brake signal.

Preferably, the synthesizing of the motor braking signal according to the first driving signal and the braking signal comprises:

after the first driving signal, the moment of intercepting the first feedback signal is taken as a starting point, the brake signal is combined to enter the first driving signal, and the obtained signal is the motor brake signal.

Preferably, the acquiring the first driving signal comprises:

acquiring a second feedback signal fed back by the motor according to a preset second driving signal;

the most recent time T1 at which the second feedback signal is zero before the desired braking time is obtained, or

Obtaining the latest time T1' when the second feedback signal is zero after the expected braking time;

the second drive signal is made zero at time T1 or time T1' to obtain the first drive signal.

In a second aspect, the present invention also provides a motor braking method, including:

and driving the motor by using a motor braking signal to brake after the motor operates, wherein the motor braking signal is generated by using the motor braking signal generation method described in the embodiment of the first aspect of the invention.

In a third aspect, the present invention also provides a motor brake signal generating apparatus, including:

the first signal acquisition module is used for acquiring a first driving signal;

the second signal acquisition module is used for acquiring a first feedback signal fed back by the motor according to the first driving signal, wherein the first driving signal and the first feedback signal meet a preset condition;

the intercepting module is used for intercepting a section of first feedback signal after the first driving signal is ended;

the signal generation module is used for generating a brake signal according to the intercepted section of the first feedback signal;

and the signal synthesis module is used for synthesizing a motor braking signal according to the first driving signal and the braking signal.

In a fourth aspect, the present invention also provides a motor brake signal generation system, comprising:

a memory for storing a motor brake signal generation program;

a processor, configured to implement the motor braking signal generation method according to the embodiment of the first aspect of the present invention when executing the motor braking signal generation program.

In a fifth aspect, the present invention further provides a medium, which is a computer-readable storage medium, and the medium stores therein a motor braking signal generation program, and the motor braking signal generation program, when executed by a processor, implements the motor braking signal generation method according to the embodiment of the first aspect of the present invention.

Compared with the prior art, the scheme of the invention obtains the vibration response characteristic of the motor through the first feedback signal, so that the obtained motor braking signal can accurately reduce the residual vibration of the motor during braking.

[ description of the drawings ]

Fig. 1 is a schematic flow chart of a motor braking signal generation method according to a first embodiment of the present invention.

FIG. 2 is a schematic representation of the correlation of the first drive signal, the brake and the motor brake signals of the present invention.

Fig. 3 is a schematic flow chart of a motor braking signal generation method according to a second embodiment of the present invention.

Fig. 4 is a schematic block diagram of a motor braking signal generating apparatus according to a third embodiment of the present invention.

Fig. 5 is a schematic block diagram of a motor brake signal generation system according to a fourth embodiment of the present invention.

Fig. 6 is a diagram showing effects of the present invention when braking is performed using a motor braking signal.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.