CN108803489B - Flexibility-enhanced numerical control machine tool remote control method and system - Google Patents
Flexibility-enhanced numerical control machine tool remote control method and system Download PDFInfo
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- CN108803489B CN108803489B CN201811059845.2A CN201811059845A CN108803489B CN 108803489 B CN108803489 B CN 108803489B CN 201811059845 A CN201811059845 A CN 201811059845A CN 108803489 B CN108803489 B CN 108803489B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/406—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by monitoring or safety
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31105—Remote control of network controller
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Abstract
The invention discloses a numerically-controlled machine tool remote control method and a system with enhanced flexibility, wherein the numerically-controlled machine tool remote control method is executed by a mobile control terminal, and comprises the following steps: sending a first control information transmission resource request message to a numerical control machine control center; receiving a control information transmission resource response message; starting a first timer in the mobile control terminal in response to receiving the control information transmission resource response message; judging whether a system message broadcasted by a numerical control machine control center is received before the first timer is overtime; if the system message broadcasted by the numerical control machine control center is not received before the first timer is overtime, resetting the first timer and sending a retransmission request to the numerical control machine control center; and judging whether the system message broadcasted by the numerical control machine control center is received before the first timer is overtime again.
Description
Technical Field
The invention relates to the field of intelligent machine tool control, in particular to a numerical control machine tool remote control method and system with enhanced flexibility.
Background
The manufacturing industry is an industry for converting available resources and energy into industrial products or living consumer products which can be used or utilized by people through a manufacturing process, and relates to a large number of industries of national economy, such as machinery, electronics, light industry, chemical industry, food, military industry, aerospace and the like, and plays a significant role in global economy. The mechanical manufacturing industry is the core of the manufacturing industry in China, masters national economic life lines, has the most huge industrial system in social and economic activities, and solves a large number of employment problems for the society. With the rapid development of high and new technologies and the advent of the network economy era, the outer ring faced by the manufacturing industry has changed fundamentally. The economic globalization causes manufacturing enterprises to break through the limits of regions and national boundaries, optimize and allocate manufacturing resources and sell products in the world range, and form the globalized market; the consumer can not meet the standard product, and the client puts forward higher requirements on the cost, quality and production period of the product; globalization of the market, individuation and diversification of Customer requirements are prominent day by day, so that a manufacturing enterprise continuously needs to develop new products in the production process, and the concept of 'evaporating for Customer' service gradually becomes the development target of the enterprise; with the rising of resource price and the worsening of global environment, the sustainable development requirement of the manufacturing industry is increasing, and the manufacturing industry must develop towards the aspects of no pollution of product life cycle, low resource consumption, recyclability, reusability and the like.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
Disclosure of Invention
The invention aims to provide a remote control method and a remote control system of a numerical control machine tool with enhanced flexibility, which can overcome the defects of the prior art.
In order to achieve the above objects, the present invention provides a remote control method of a numerical control machine tool with enhanced flexibility, which is performed by a mobile control terminal, the remote control method of a numerical control machine tool with enhanced flexibility comprising the steps of: sending a first control information transmission resource request message to a numerical control machine control center; receiving a control information transmission resource response message, wherein the control information transmission resource response message is sent by the numerical control machine control center in response to receiving the first control information transmission resource request message; starting a first timer in the mobile control terminal in response to receiving the control information transmission resource response message; judging whether a system message broadcasted by a numerical control machine control center is received before a first timer is overtime, wherein the system message is broadcasted by the numerical control machine control center based on a system message request message included in a control information transmission resource request message; if the system message broadcasted by the numerical control machine control center is not received before the first timer is overtime, resetting the first timer and sending a retransmission request to the numerical control machine control center; and judging whether the system message broadcasted by the numerical control machine control center is received before the first timer is overtime again.
In a preferred embodiment, the method for remotely controlling a numerically controlled machine tool with enhanced flexibility further comprises the steps of: when receiving a system message broadcast by a numerical control machine control center before a first timer is overtime, if the mobile control terminal needs to update the system message, sending a second control information transmission resource request message to the numerical control machine control center again, wherein the second control information transmission resource request message comprises a system message updating request; starting a second timer; judging whether an updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime, wherein the updating system message is broadcasted by the numerical control machine control center based on an updating system message request included in the second control information transmission resource request message; if the updating system message broadcasted by the numerical control machine control center is not received before the second timer is overtime, resetting the second timer and sending a retransmission request to the numerical control machine control center; judging whether the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime again; and if the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime, sending an updating response message to the numerical control machine control center.
In a preferred embodiment, the system message at least comprises: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
The invention also provides a remote control method of the numerical control machine tool with enhanced flexibility, which is executed by the control center of the numerical control machine tool, and comprises the following steps: receiving a first control information transmission resource request message sent by a mobile control terminal; in response to receiving the first control information transmission resource request message, sending a control information transmission resource response message; broadcasting the system message in response to the system message request message included in the control information transmission resource request message; if the retransmission request sent by the mobile control terminal is not received within the preset time, judging whether the system information needs to be updated or not; if the system information needs to be updated, broadcasting the updated system information; starting a third timer in the control center of the numerical control machine; judging whether an updating response message sent by the mobile control terminal is received before the third timer is overtime; and if the update response message sent by the mobile control terminal is judged not to be received before the third timer is overtime, the update system message is broadcasted again.
In a preferred embodiment, the system message at least comprises: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
The invention also provides a numerically-controlled machine tool remote control system with enhanced flexibility, which comprises: a plurality of mobile control terminals; the numerical control machine control center is in communication connection with the plurality of mobile control terminals and controls a plurality of numerical control machines; wherein the mobile control terminal is configured to: sending a first control information transmission resource request message to a numerical control machine control center; receiving a control information transmission resource response message, wherein the control information transmission resource response message is sent by the numerical control machine control center in response to receiving the first control information transmission resource request message; starting a first timer in the mobile control terminal in response to receiving the control information transmission resource response message; judging whether a system message broadcasted by a numerical control machine control center is received before a first timer is overtime, wherein the system message is broadcasted by the numerical control machine control center based on a system message request message included in a control information transmission resource request message; if the system message broadcasted by the numerical control machine control center is not received before the first timer is overtime, resetting the first timer and sending a retransmission request to the numerical control machine control center; and judging whether the system message broadcasted by the numerical control machine control center is received before the first timer is overtime again.
In a preferred embodiment, the mobile control terminal is configured to: when receiving a system message broadcast by a numerical control machine control center before a first timer is overtime, if the mobile control terminal needs to update the system message, sending a second control information transmission resource request message to the numerical control machine control center again, wherein the second control information transmission resource request message comprises a system message updating request; starting a second timer; judging whether an updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime, wherein the updating system message is broadcasted by the numerical control machine control center based on an updating system message request included in the second control information transmission resource request message; if the updating system message broadcasted by the numerical control machine control center is not received before the second timer is overtime, resetting the second timer and sending a retransmission request to the numerical control machine control center; judging whether the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime again; and if the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime, sending an updating response message to the numerical control machine control center.
In a preferred embodiment, the system message at least comprises: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
The invention provides a numerical control machine tool remote control system with enhanced flexibility, which is characterized in that: the numerically-controlled machine tool remote control system with enhanced flexibility comprises: a plurality of mobile control terminals; the numerical control machine control center is in communication connection with the plurality of mobile control terminals and controls a plurality of numerical control machines; wherein the numerical control machine control center is configured to: receiving a first control information transmission resource request message sent by a mobile control terminal; in response to receiving the first control information transmission resource request message, sending a control information transmission resource response message; broadcasting the system message in response to the system message request message included in the control information transmission resource request message; if the retransmission request sent by the mobile control terminal is not received within the preset time, judging whether the system information needs to be updated or not; if the system information needs to be updated, broadcasting the updated system information; starting a third timer in the control center of the numerical control machine; judging whether an updating response message sent by the mobile control terminal is received before the third timer is overtime; and if the update response message sent by the mobile control terminal is judged not to be received before the third timer is overtime, the update system message is broadcasted again.
In a preferred embodiment, the system message at least comprises: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
Compared with the prior art, the invention has the following advantages: although the numerical control machine tool is a mature processing technology, the mode of controlling the numerical control machine tool at present mainly adopts a PC machine and a wired communication mode, and the control method has the advantages of stable and mature technology, large system floor area, no mobile operation function, low system integration level and difficult upgrading and updating. In order to solve the problems in the prior art, a machine tool control system based on wireless communication needs to be provided, and although the wireless communication machine tool control system has many advantages, no solution is provided in the prior art for how to implement signaling, resource allocation, timing and other problems of a mobile terminal and a control center. The invention provides a method for coordinating signaling, resource allocation and timing of a mobile terminal and a control center in order to realize a machine tool control system based on wireless communication.
Drawings
Fig. 1 is a flowchart of a remote control method of a numerical control machine according to an embodiment of the present invention.
Fig. 2 is a flowchart of a remote control method of a numerical control machine according to an embodiment of the present invention.
Fig. 3 is a block diagram of a remote control system of a numerical control machine according to an embodiment of the present invention.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 is a flowchart of a remote control method of a numerical control machine according to an embodiment of the present invention. As shown in the figure, the numerical control machine tool remote control method comprises the following steps:
step 101: sending a first control information transmission resource request message to a numerical control machine control center;
step 102: receiving a control information transmission resource response message, wherein the control information transmission resource response message is sent by the numerical control machine control center in response to receiving the first control information transmission resource request message;
step 103: starting a first timer in the mobile control terminal in response to receiving the control information transmission resource response message;
step 104: judging whether a system message broadcasted by a numerical control machine control center is received before a first timer is overtime, wherein the system message is broadcasted by the numerical control machine control center based on a system message request message included in a control information transmission resource request message;
step 105: if the system message broadcasted by the numerical control machine control center is not received before the first timer is overtime, resetting the first timer and sending a retransmission request to the numerical control machine control center; and
step 106: and judging whether the system message broadcasted by the numerical control machine control center is received before the first timer is overtime again.
In a preferred embodiment, the method for remotely controlling a numerically controlled machine tool with enhanced flexibility further comprises the steps of: when receiving a system message broadcast by a numerical control machine control center before a first timer is overtime, if the mobile control terminal needs to update the system message, sending a second control information transmission resource request message to the numerical control machine control center again, wherein the second control information transmission resource request message comprises a system message updating request; starting a second timer; judging whether an updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime, wherein the updating system message is broadcasted by the numerical control machine control center based on an updating system message request included in the second control information transmission resource request message; if the updating system message broadcasted by the numerical control machine control center is not received before the second timer is overtime, resetting the second timer and sending a retransmission request to the numerical control machine control center; judging whether the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime again; and if the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime, sending an updating response message to the numerical control machine control center.
In a preferred embodiment, the system message at least comprises: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
Fig. 2 is a flowchart of a remote control method of a numerical control machine according to an embodiment of the present invention. As shown in the figure, the numerical control machine tool remote control method comprises the following steps:
step 201: receiving a first control information transmission resource request message sent by a mobile control terminal;
step 202: in response to receiving the first control information transmission resource request message, sending a control information transmission resource response message;
step 203: broadcasting the system message in response to the system message request message included in the control information transmission resource request message;
step 204: if the retransmission request sent by the mobile control terminal is not received within the preset time, judging whether the system information needs to be updated or not;
step 205: if the system information needs to be updated, broadcasting the updated system information;
step 206: starting a third timer in the control center of the numerical control machine;
step 207: judging whether an updating response message sent by the mobile control terminal is received before the third timer is overtime; and
step 208: and if the update response message sent by the mobile control terminal is judged not to be received before the timeout of the third timer, the update system message is broadcasted again.
In a preferred embodiment, the system message at least comprises: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
FIG. 3 is a block diagram of a system according to an embodiment of the invention. As shown in the drawings, the numerically controlled machine tool remote control system with enhanced flexibility includes: a plurality of mobile control terminals (201a-201 x); and a NC machine control center 203, wherein the NC machine control center is in communication connection with the plurality of mobile control terminals, and the NC machine control center controls a plurality of NC machines (202a-202 x).
Wherein the mobile control terminal is configured to: sending a first control information transmission resource request message to a numerical control machine control center; receiving a control information transmission resource response message, wherein the control information transmission resource response message is sent by the numerical control machine control center in response to receiving the first control information transmission resource request message; starting a first timer in the mobile control terminal in response to receiving the control information transmission resource response message; judging whether a system message broadcasted by a numerical control machine control center is received before a first timer is overtime, wherein the system message is broadcasted by the numerical control machine control center based on a system message request message included in a control information transmission resource request message; if the system message broadcasted by the numerical control machine control center is not received before the first timer is overtime, resetting the first timer and sending a retransmission request to the numerical control machine control center; and judging whether the system message broadcasted by the numerical control machine control center is received before the first timer is overtime again.
In a preferred embodiment, the mobile control terminal is configured to: when receiving a system message broadcast by a numerical control machine control center before a first timer is overtime, if the mobile control terminal needs to update the system message, sending a second control information transmission resource request message to the numerical control machine control center again, wherein the second control information transmission resource request message comprises a system message updating request; starting a second timer; judging whether an updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime, wherein the updating system message is broadcasted by the numerical control machine control center based on an updating system message request included in the second control information transmission resource request message; if the updating system message broadcasted by the numerical control machine control center is not received before the second timer is overtime, resetting the second timer and sending a retransmission request to the numerical control machine control center; judging whether the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime again; and if the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime, sending an updating response message to the numerical control machine control center.
In a preferred embodiment, the system message at least comprises: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
Further, in the present invention, the numerical control machine control center is configured to: receiving a first control information transmission resource request message sent by a mobile control terminal; in response to receiving the first control information transmission resource request message, sending a control information transmission resource response message; broadcasting the system message in response to the system message request message included in the control information transmission resource request message; if the retransmission request sent by the mobile control terminal is not received within the preset time, judging whether the system information needs to be updated or not; if the system information needs to be updated, broadcasting the updated system information; starting a third timer in the control center of the numerical control machine; judging whether an updating response message sent by the mobile control terminal is received before the third timer is overtime; and if the update response message sent by the mobile control terminal is judged not to be received before the third timer is overtime, the update system message is broadcasted again.
In a preferred embodiment, the system message at least comprises: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (2)
1. A numerical control machine tool remote control method with enhanced flexibility is characterized in that: the numerically-controlled machine tool remote control method with enhanced flexibility is executed by a mobile control terminal, and comprises the following steps:
sending a first control information transmission resource request message to a numerical control machine control center;
receiving a control information transmission resource response message, wherein the control information transmission resource response message is sent by the NC machine tool control center in response to receiving the first control information transmission resource request message;
starting a first timer in the mobile control terminal in response to receiving the control information transmission resource response message;
judging whether a system message broadcasted by the NC machine control center is received before a first timer is overtime, wherein the system message is broadcasted by the NC machine control center based on a system message request message included in a control information transmission resource request message;
if the system message broadcasted by the numerical control machine control center is not received before the first timer is overtime, resetting the first timer and sending a retransmission request to the numerical control machine control center;
judging whether the system message broadcasted by the numerical control machine tool control center is received before the first timer is overtime again,
the numerically-controlled machine tool remote control method with enhanced flexibility further comprises the following steps:
when receiving a system message broadcast by the numerical control machine control center before a first timer is overtime, if the mobile control terminal needs to update the system message, sending a second control information transmission resource request message to the numerical control machine control center again, wherein the second control information transmission resource request message comprises a system message updating request;
starting a second timer;
judging whether an updating system message broadcasted by the numerical control machine control center is received before a second timer is overtime, wherein the updating system message is broadcasted by the numerical control machine control center based on an updating system message request included in the second control information transmission resource request message;
if the updating system message broadcasted by the numerical control machine control center is not received before the second timer is overtime, resetting the second timer and sending a retransmission request to the numerical control machine control center;
judging whether the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime again;
if the update system message broadcasted by the numerical control machine control center is received before the second timer is overtime, sending an update response message to the numerical control machine control center,
wherein the system message comprises at least: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
2. The utility model provides a digit control machine tool remote control system that flexibility reinforcing which characterized in that: the numerically-controlled machine tool remote control system with enhanced flexibility comprises:
a plurality of mobile control terminals; and
the numerical control machine control center is in communication connection with the plurality of mobile control terminals and controls a plurality of numerical control machines;
wherein the mobile control terminal is configured to:
sending a first control information transmission resource request message to a numerical control machine control center;
receiving a control information transmission resource response message, wherein the control information transmission resource response message is sent by the NC machine tool control center in response to receiving the first control information transmission resource request message;
starting a first timer in the mobile control terminal in response to receiving the control information transmission resource response message;
judging whether a system message broadcasted by the NC machine control center is received before a first timer is overtime, wherein the system message is broadcasted by the NC machine control center based on a system message request message included in a control information transmission resource request message;
if the system message broadcasted by the numerical control machine control center is not received before the first timer is overtime, resetting the first timer and sending a retransmission request to the numerical control machine control center; and
judging whether the system message broadcasted by the numerical control machine tool control center is received before the first timer is overtime again,
the mobile control terminal is configured to:
when receiving a system message broadcast by the numerical control machine control center before a first timer is overtime, if the mobile control terminal needs to update the system message, sending a second control information transmission resource request message to the numerical control machine control center again, wherein the second control information transmission resource request message comprises a system message updating request;
starting a second timer;
judging whether an updating system message broadcasted by the numerical control machine control center is received before a second timer is overtime, wherein the updating system message is broadcasted by the numerical control machine control center based on an updating system message request included in the second control information transmission resource request message;
if the updating system message broadcasted by the numerical control machine control center is not received before the second timer is overtime, resetting the second timer and sending a retransmission request to the numerical control machine control center;
judging whether the updating system message broadcasted by the numerical control machine control center is received before the second timer is overtime again; and
if the update system message broadcasted by the numerical control machine control center is received before the second timer is overtime, sending an update response message to the numerical control machine control center,
wherein the system message comprises at least: the type of the numerical control machine, the numerical control machine setting parameter limit and the timing information of the numerical control machine control center.
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