摘要：【中文】本发明公开了一种永磁同步电机的堵转检测方法、堵转检测装置和控制系统，所述堵转检测方法包括以下步骤：获取永磁同步电机的相电压和相电流；根据相电压和相电流，判断永磁同步电机是否发生堵转。本发明实施例的堵转检测方法，弥补了相关技术的不足，且可以实现转矩电流控制模式或者速度控制模式下的堵转检测，实用性强，并且安全可靠性高。 【EN】The invention discloses a locked rotor detection method, a locked rotor detection device and a control system of a permanent magnet synchronous motor, wherein the locked rotor detection method comprises the following steps: acquiring phase voltage and phase current of the permanent magnet synchronous motor; and judging whether the permanent magnet synchronous motor is locked according to the phase voltage and the phase current. The locked rotor detection method disclosed by the embodiment of the invention makes up the defects of the related technology, can realize locked rotor detection in a torque current control mode or a speed control mode, and has strong practicability and high safety and reliability.

摘要：【中文】本发明公开了一种永磁同步电机的堵转检测方法、堵转检测装置和控制系统，所述堵转检测方法包括以下步骤：获取永磁同步电机的相电压和相电流；根据相电压或相电流，计算得到定子的热功率；根据热功率，判断永磁同步电机是否发生堵转。本发明实施例的堵转检测方法，弥补了相关技术的不足，且可以实现转矩电流控制模式或者速度控制模式下的堵转检测，实用性强，并且安全可靠性高。 【EN】The invention discloses a locked rotor detection method, a locked rotor detection device and a control system of a permanent magnet synchronous motor, wherein the locked rotor detection method comprises the following steps: acquiring phase voltage and phase current of the permanent magnet synchronous motor; calculating the thermal power of the stator according to the phase voltage or the phase current; and judging whether the PMSM is locked rotor or not according to the thermal power. The locked rotor detection method disclosed by the embodiment of the invention makes up the defects of the related technology, can realize locked rotor detection in a torque current control mode or a speed control mode, and has strong practicability and high safety and reliability.

摘要：【中文】本发明提出了一种永磁同步电机的掉电保护控制方法、装置及系统，该永磁同步电机的掉电保护控制方法包括：检测直流母线模块的电压值；根据电压值，判断永磁同步电机是否掉电；若是，则控制永磁同步电机进入发电状态。本发明的永磁同步电机的掉电保护控制方法、装置及系统，当永磁同步电机掉电时，控制永磁同步电机进入发电状态，可使永磁同步电机瞬间产生的反电动势在直流母线模块中形成的电压低于安全电压，避免因电压过高导致的元器件损坏。 【EN】The invention provides a power-down protection control method, a device and a system of a permanent magnet synchronous motor, wherein the power-down protection control method of the permanent magnet synchronous motor comprises the following steps: detecting a voltage value of the direct current bus module; judging whether the permanent magnet synchronous motor is powered off or not according to the voltage value; and if so, controlling the permanent magnet synchronous motor to enter a power generation state. According to the power-down protection control method, device and system for the permanent magnet synchronous motor, when the permanent magnet synchronous motor is powered down, the permanent magnet synchronous motor is controlled to enter a power generation state, so that the voltage formed by counter electromotive force instantaneously generated by the permanent magnet synchronous motor in a direct current bus module is lower than safe voltage, and component damage caused by overhigh voltage is avoided.

摘要：【中文】本发明提供了一种用于永磁同步电机控制系统的掉电保护控制方法、控制模块、计算机可读存储介质以及永磁同步电机控制系统。其中，掉电保护控制方法包括：实时统计直流母线模块的电压值；根据电压值判断是否掉电；当判定掉电时，进入恒压制动模式，以控制永磁同步电机按预设加速度减速制动以令电压值小于等于第一预设电压值。本发明提供的掉电保护控制方法，通过恒压制动控制永磁同步电机按预设加速度减速制动，可缓解永磁同步电机的减速速度，使得永磁同步电机瞬间产生的反电动势在直流母线模块形成的电压低于安全电压，避免因为掉电致使永磁同步电机产生的反电动势在直流母线模块形成较高电压，造成元器件损坏。 【EN】The invention provides a power failure protection control method for a permanent magnet synchronous motor control system, a control module, a computer readable storage medium and the permanent magnet synchronous motor control system. The power failure protection control method comprises the following steps: counting the voltage value of the direct current bus module in real time; judging whether power is lost or not according to the voltage value; and when power failure is judged, entering a constant voltage braking mode to control the permanent magnet synchronous motor to decelerate and brake according to a preset acceleration so as to enable the voltage value to be smaller than or equal to a first preset voltage value. According to the power failure protection control method provided by the invention, the permanent magnet synchronous motor is controlled to decelerate and brake according to the preset acceleration through constant-voltage braking, so that the deceleration speed of the permanent magnet synchronous motor can be relieved, the voltage formed by the counter electromotive force instantaneously generated by the permanent magnet synchronous motor in the direct current bus module is lower than the safe voltage, and the damage of components caused by the fact that the counter electromotive force generated by the permanent magnet synchronous motor forms higher voltage in the direct current bus module due to power failure is avoided.

摘要：【中文】本发明提供了一种堵转检测方法、堵转检测装置、计算机可读存储介质及电机驱动装置，其中，堵转检测方法包括：实时获取电机的输入功率；计算输入功率的波动值；比较波动值和波动阈值，当波动值在预设时长内持续小于波动阈值时，判定电机发生堵转。本发明提供的堵转检测方法，尤其适用于无位置传感器的交流电机，通过监测不受位置角影响的输入功率的波动值，可准确检测电机是否发生了堵转，该方案在对电机的转矩电流控制模式或者速度控制模式中均可应用，弥补了现有技术的不足，实用性强，并且安全可靠性高。 【EN】The invention provides a locked rotor detection method, a locked rotor detection device, a computer readable storage medium and a motor driving device, wherein the locked rotor detection method comprises the following steps: acquiring the input power of a motor in real time; calculating a fluctuation value of the input power; and comparing the fluctuation value with a fluctuation threshold value, and judging that the motor is locked when the fluctuation value is continuously smaller than the fluctuation threshold value within a preset time length. The locked rotor detection method provided by the invention is particularly suitable for an alternating current motor without a position sensor, and can accurately detect whether the motor is locked rotor or not by monitoring the fluctuation value of the input power which is not influenced by the position angle.

摘要：【中文】本发明提供了一种用于永磁同步电机控制系统的故障保护停机方法、故障保护模块、计算机可读存储介质及永磁同步电机控制系统，其中，故障保护停机方法包括：响应于故障信号，发出停机指令以在第一停机模式和第二停机模式之间切换，直至永磁同步电机停机，在第一停机模式下控制永磁同步电机控制系统的IPM模块的全部六个开关管设置为高阻状态，以检测永磁同步电机是否已停机。本发明提供的故障保护停机方法，设置了两个停机模式，在第一停机模式下既可控制永磁同步电机停机，又可检测永磁同步电机是否已停机，而第二停机模式的停机速度快，通过在第一停机模式和第二停机模式之间切换，可兼顾停机速度和停机检测，且方法简单，易于实现。 【EN】The invention provides a fault protection shutdown method for a permanent magnet synchronous motor control system, a fault protection module, a computer readable storage medium and the permanent magnet synchronous motor control system, wherein the fault protection shutdown method comprises the following steps: and responding to the fault signal, sending a shutdown command to switch between a first shutdown mode and a second shutdown mode until the permanent magnet synchronous motor is shut down, and controlling all six switching tubes of an IPM module of the permanent magnet synchronous motor control system to be set in a high-resistance state in the first shutdown mode so as to detect whether the permanent magnet synchronous motor is shut down. The fault protection shutdown method provided by the invention is provided with two shutdown modes, the first shutdown mode can control the shutdown of the permanent magnet synchronous motor and can detect whether the permanent magnet synchronous motor is shut down, the second shutdown mode has high shutdown speed, the shutdown speed and the shutdown detection can be both considered by switching between the first shutdown mode and the second shutdown mode, and the method is simple and easy to realize.

摘要：【中文】本发明涉及电机驱动的控制领域，公开了一种用于电机减速的控制方法、控制装置及驱动电路，通过实时获取对驱动电机的逆变电路供电的直流母线电压值；根据直流母线电压值与预设电压值确定控制电机的Q轴给定电流的第一限幅值，并获取Q轴给定电流的预设限幅值，最后根据第一限幅值和预设限幅值对电机进行制动控制，控制电机减速运行。由于对电机进行制动控制的第一限幅值与实时检测的直流母线电压相关，因而在对电机进行制动减速过程中，实现电机产生的感应电动势经上述逆变器反馈到直流母线上不至过高，防止了其直流母线上的电路的器件由于过压损坏。提升了其整个电机驱动电路的工作可靠性。 【EN】The invention relates to the field of motor drive control, and discloses a control method, a control device and a drive circuit for motor deceleration, wherein the voltage value of a direct current bus for supplying power to an inverter circuit of a drive motor is acquired in real time; determining a first amplitude limiting value of Q-axis given current of the control motor according to the direct-current bus voltage value and a preset voltage value, acquiring the preset amplitude limiting value of the Q-axis given current, and finally performing brake control on the motor according to the first amplitude limiting value and the preset amplitude limiting value to control the motor to operate in a speed reduction mode. Because the first amplitude limit value for braking control of the motor is related to the voltage of the direct-current bus detected in real time, in the process of braking and decelerating the motor, the induced electromotive force generated by the motor is fed back to the direct-current bus through the inverter and is not too high, and the damage of devices of a circuit on the direct-current bus due to overvoltage is prevented. The working reliability of the whole motor driving circuit is improved.

摘要：【中文】本申请提供了一种矩形场景平面图数据处理方法及装置，该方法包括：根据预获取的目标矩形场景数据，应用Excel生成该目标矩形场景的平面图数据，并存储该目标矩形场景的平面图数据；接收针对所述目标矩形场景的平面图提取指令，并基于该平面图提取指令对所述目标矩形场景的平面图数据进行数据加工处理；将经数据加工处理的目标矩形场景的平面图数据进行显示，其中，经数据加工处理的目标矩形场景的平面图数据中包含有所述目标矩形场景当前的状态信息，能够提高矩形场景平面图数据处理的效率和灵活度，进而提高用户体验。 【EN】The application provides a method and a device for processing rectangular scene plan data, wherein the method comprises the following steps: according to pre-acquired target rectangular scene data, generating plan view data of the target rectangular scene by using Excel, and storing the plan view data of the target rectangular scene; receiving a plan drawing extraction instruction for the target rectangular scene, and processing data of plan drawing data of the target rectangular scene based on the plan drawing extraction instruction; and displaying the plan view data of the target rectangular scene processed by the data processing, wherein the plan view data of the target rectangular scene processed by the data processing comprises the current state information of the target rectangular scene, so that the efficiency and the flexibility of the plan view data processing of the rectangular scene can be improved, and the user experience is further improved.

摘要：【中文】本发明提出一种极低光信噪比下的相干光通信终端的时间同步方法与系统。该系统包含时钟同步和帧同步模块。时钟同步模块中采用一种新的无需乘法运算的，输出特性对光信噪比变化不敏感的时钟误差检测器。帧同步模块中采用一种基于Q‑chu导引序列和新型定时度量函数的多功能帧同步方法。两个模块配合能够在光信噪比极低，且变化动态范围极大的条件下实现发射和接收端的时间同步，或多个空间分集相干光接收机间的时间同步，同时还能够实现本振激光器的频偏估计。本发明能够显著改善时间同步系统的噪声容限和稳定性，降低对数字信号处理芯片处理能力的要求，减少其功耗。在空间光通信系统和光纤通信系统都有良好的应用前景。 【EN】The invention provides a time synchronization method and a time synchronization system of a coherent optical communication terminal under an extremely low optical signal-to-noise ratio. The system includes clock synchronization and frame synchronization modules. A new clock error detector which does not need multiplication operation and has output characteristics insensitive to the change of an optical signal to noise ratio is adopted in the clock synchronization module. A multifunctional frame synchronization method based on Q-chu guide sequence and novel timing measurement function is adopted in the frame synchronization module. The two modules are matched to realize the time synchronization of the transmitting end and the receiving end under the conditions of extremely low optical signal to noise ratio and extremely large change dynamic range, or the time synchronization among a plurality of space diversity coherent optical receivers, and simultaneously, the frequency offset estimation of the local oscillator laser can also be realized. The invention can obviously improve the noise tolerance and stability of the time synchronization system, reduce the requirement on the processing capacity of the digital signal processing chip and reduce the power consumption of the digital signal processing chip. The method has good application prospect in space optical communication systems and optical fiber communication systems.

摘要：【中文】本发明提出了一种烹饪器具的控制方法、装置及烹饪器具，该控制方法包括：获取用户选择的烹饪口味；根据烹饪口味，确定烹饪口味对应的抽气次数和/或抽气时长；根据抽气次数和/或抽气时长，控制烹饪器具进行抽气操作。本发明的烹饪器具的控制方法、装置及烹饪器具，根据用户选择的烹饪口味对烹饪器具进行相应次数和/或相应时长的抽气，通过抽取真空的方式使被烹饪食材更加入味，提高烹饪效果，并且，用户可根据自己的口味对烹饪过程进行自适应的调节。 【EN】The invention provides a control method and a control device of a cooking appliance and the cooking appliance, wherein the control method comprises the following steps: acquiring a cooking taste selected by a user; according to the cooking taste, determining the air extraction times and/or the air extraction time corresponding to the cooking taste; and controlling the cooking appliance to perform air extraction operation according to the air extraction times and/or the air extraction duration. According to the control method and device of the cooking appliance and the cooking appliance, the cooking appliance is subjected to air extraction for corresponding times and/or corresponding duration according to the cooking taste selected by the user, the cooked food is tasty in a vacuum extraction mode, the cooking effect is improved, and the user can adaptively adjust the cooking process according to the taste.