SST-1500-YCX-3-1-0 伺服驱动器

【功能描述】

伺服驱动器是现代运动控制的重要组成部分，被广泛应用于工业机器人及数控加工中心等自动化设备中。尤其是应用于控制交流永磁同步电机的伺服驱动器已经成为国内外研究热点。当前交流伺服驱动器设计中普遍采用基于矢量控制的电流、速度、位置三闭环控制算法。该算法中速度闭环设计合理与否，对于整个伺服控制系统，特别是速度控制性能的发挥起到关键作用。

在伺服驱动器速度闭环中，电机转子实时速度测量精度对于改善速度坏的转速控制动静态特性至关重要。为寻求测量精度与系统成本的平衡，一般采用增量式光电编码器作为测速传感器，与其对应的常用测速方法为M/测速法。M测速法里然具有一定的测量精度和较宽的测量范围，但这种方法有其固有的缺陷，主要包括:1)测速周期内检测到至少一个完整的码盘脉冲，限制了低可测转速;2)用于测速的2个控制系统定时器开关难以严格保持同步，在速度变化较大的测量场合中无法测速精度。因此应用该测速法的传统速度环设计方案难以提高伺服驱动器速度跟随与控制性能

SST-1500-YCX-3-1-0 伺服驱动器

PACIFICSCIENTIFIC PC3406AI-001-E· High-density I/O system provides a space-saving interface at a low cost;

· Intelligent I/O interfaces based on microprocessors extend distributed control capabilities, typical interfaces such as PID, network, CAN bus, fieldbus, ASCII communication, positioning, host communication modules and language modules (such as BASIC, PASCALC);

· Including structural design improvements of input and output modules and terminals to make terminals more integrated;

Special interfaces allow some devices to be connected directly to the controller, such as thermocouples, thermal resistance, stress measurement, fast response pulse, etc.

· The external equipment has improved the operator interface technology, and the system documentation function has become a standard function of the PLC.

These hardware improvements have led to the enrichment and development of the PLC product series, making the PLC from the smallest micro-PLC with only 10 I/O points to the large PLC that can reach 8000 points. These product families, with common I/O systems and programming peripherals, can form local area networks and connect to office networks. The whole PLC product family concept is a very cost-saving control system concept for users.

Similar to the development of hardware, PLC software has also made great progress, greatly strengthening the functions of PLC:

PLC introduced object-oriented programming tools, and according to the International Electrotechnical Commission IEC61131-3 standard formed a variety of languages;

· Small PLCS also provide powerful programming instructions, and thus extend the application field;

High-level languages, such as BASIC, C are already available in some controller modules, providing greater programming flexibility when communicating with the outside world and processing data;

· Ladder diagram logic can achieve advanced function block instructions, allowing users to use simple programming methods to achieve complex software functions;

The diagnostic and error detection functions are expanded from simple fault diagnosis of system controllers to process and device diagnosis of machines and equipment under control;

SST-1500-YCX-3-1-0 伺服驱动器

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厦门雄霸电子商务有限公司

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