Universal synchronous motor speed and position detection system based on PROFINET protocol

A technology of synchronous motor and detection system, which is applied in the direction of control system, motor control, electronic commutation motor control, etc., to achieve the effect of information sharing

Active Publication Date: 2019-02-15
BEIJING ARITIME INTELLIGENT CONTROL
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  • Claims
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Problems solved by technology

But industrial Ethernet is not a simple application of commercial Ethernet in industrial control

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  • Universal synchronous motor speed and position detection system based on PROFINET protocol

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0015] The universal synchronous motor speed and position detection system based on the PROFINET protocol of the present invention is divided into three parts, including the motor side speed and position encoder interface part, the MCU real-time control part and the PROFINET network interface part.

[0016] The interface part of the speed position encoder on the motor side is used to convert the analog or digital signal connected to the speed position encoder on the motor side into a signal form that can be accepted by the real-time control MCU part through filtering, isolation and modulation, including analog encoding Adapter circuit, incremental photoelectric encoder adaptation circuit and absolute photoelectric encoder adaptation circuit.

[0017] The input signals of the interface part of the speed position encoder on the motor side are divided into three...

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Abstract

The invention discloses a universal synchronous motor speed and position detection system based on a PROFINET protocol. The system comprises a motor side speed position encoder interface part, an MCUreal-time control part and a PROFINET network interface part, and is compatible with an analog quantity encoder, an absolute photoelectric encoder and an incremental photoelectric encoder of a currentuniversal synchronous motor. The system adopts TMS320F28379 and ERTEC200P as main chips, and speed, direction and position signals of the motor are obtained through a speed measuring program. The speed and the rotor position are calculated out through the microprocessor TMS320F28379, and are connected into the industrial Ethernet through the PROFINET, so that information sharing is realized.

Description

technical field [0001] The invention belongs to the fields of industrial data communication and motor transmission control, and in particular relates to a speed and position detection system of a general synchronous motor based on the PROFINET protocol. Background technique [0002] With the development and popularization of Internet technology, industrial Ethernet technology has also been developed rapidly, and it is possible to fully apply Ethernet to the field of industrial control. But industrial Ethernet is not a simple application of commercial Ethernet in industrial control. PROFINET is a new generation of automation bus standard based on industrial Ethernet technology launched by PROFIBUS International. PROFINET includes 8 main modules, followed by real-time communication, distributed field devices, motion control, distributed automation, network installation, IT standards and information security, fail-safe and process automation. PROFINET has communication capabi...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P6/00H02P6/16
CPCH02P6/00H02P6/16H02P2207/05
Inventor 段巍李凡王成胜兰志明杨琼涛蒋珺王盼杨培唐磊孙力扬张阳
Owner BEIJING ARITIME INTELLIGENT CONTROL
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