JPS63224499A - Method and device for remote operation - Google Patents

Abstract

PURPOSE:To improve operability and cleaning maintenance for a clean room by dividing a controller which operates a device to be controlled into a master and a slave equipment, connecting them to each other by radio, and confirming whether or not an operation request signal is correct by the slave equipment and master equipment when the operation signal of the device to be controlled is inputted to the slave equipment and operating the device to be controlled. CONSTITUTION:Transceivers (TRV) 1103 and 1203 are connected with each other by radio through antennas 1104 and 1204 and a digital signal is transmitted and received between the master equipment 11 and slave equipment 12. Then, when the slave equipment 12 inputs a signal from the master equipment 11, the contents of received data are displayed on a display device 1207 through a display device interface 1206 while the contents of the received data are sent back from a transmitter 1211 to the master equipment 11. Consequently, the state of the master equipment 11 can be called and confirmed by the slave equipment 12 at any time. Thus, the coincidence between operation signals which are inputted to them is confirmed by using a confirmation request signal 22 and a confirmation answer signal 23 and when the operation signals inputted to the equipments 11 and 12 are different, the device to be controlled is not operated, so its malfunction is prevented.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention provides a system in which a control at+Vtm for controlling a controlled m+ device is divided into a base unit and a slave unit, and these 1llll and slave units are connected to each other by radio. This invention relates to a remote control method and device.

[Prior art and its problems]

Conventional remote control methods and devices include, for example,
As shown in the figure, 100 controlled devices 3 are installed in a room 1, such as a clean room, in which a plurality of controlled devices 3 are arranged.
@Sfilm device 2 is also provided. The control device W12 and the controlled device 3 are connected to each other by the cable 4, and by inputting an operation signal to the control device 2, the control device 2 outputs the operation signal to the 100 devices 3, and the controlled device 3 The driving etc. of the vehicle are vjtiled.

However, in the conventional device, the υ control device 2, which does not need to be installed in a clean room, is arranged in a room 1 such as a clean room, so there is a problem in effectively utilizing the inside of the room 1. In addition, the operator must also
In order to operate the system, it is necessary to enter the room 1 and input signals to the control device 2, which poses problems in terms of workability and maintaining the cleanliness of the clean room.

In addition, remote control of the controlled device 3 by wireless has been carried out for a long time, but in the conventional operation method, a control signal is sent from the transmitter to the receiver of the controlled device 3. Because the device is sent to the computer to activate it, malfunctions often occur. In order to prevent this malfunction from occurring, the operator must confirm the operation details many times before transmitting the control signal, which prevents prompt operation.

[Purpose of the invention]

The present invention has been made in view of these points, and it is possible to take the 1lltXl device out of a room such as a clean room, and make effective use of the room. It is an object of the present invention to provide a remote control method and device that allow a person to manage a controlled device and operate the control device, and to perform the operation reliably and quickly, thereby further improving work efficiency. purpose.

[Summary of the invention]

In the remote control method, which is the first aspect of the present invention, a control device for operating a controlled device is divided into a parent device and a slave device, and these devices and the slave device are connected to each other by radio. Controlled 1! When a translated operation signal is input to the slave unit, an operation request signal is sent from the slave unit to the base unit, and the base unit sends a message to the slave unit to confirm whether the received operation request signal is correct. outputting a confirmation request signal, and by inputting this confirmation request signal, the slave device determines whether it is the same as the operation request signal;
and outputs a confirmation response signal to the base unit, outputs an operation signal from the base unit to the controlled device according to the confirmation response signal to operate the controlled device, and directly sends an operation signal to the base unit to operate the 100 controlled devices. When input, the operation signal is outputted from the master device to the controlled device to operate the controlled device.

The remote control device, which is the second aspect of the present invention, is provided with a base device equipped with a digital-to-analog converter on the control device side that emits a control signal consisting of an analog signal for controlling the operation of a controlled device. A slave unit capable of wireless communication using digital signals is provided, an input section capable of inputting the 1llIO signal by digital signal is provided to the base unit and the slave unit respectively, and input to the slave unit side of the *m and slave unit, respectively. The control signal is once sent to the base unit as an operation request signal, the operation request signal received from the base unit is transmitted as a confirmation request signal to the slave unit, and when the two request signals match, the slave unit sends a confirmation response signal. The operation request signal is sent to the base unit side, waits for reception of this confirmation response signal, and then digitally transmits the operation request signal.
It is characterized by being provided with a microprocessor unit that converts the signal into an analog signal using an analog converter.

[Embodiments of the invention]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the remote control method and device according to the present invention will be described below with reference to FIGS. 1 to 12.

In the drawings, reference numeral 11 indicates a master unit of the control device, and reference numeral 12 indicates a slave unit of the control device.

As shown in FIGS. 1 and 3, the 11 aircraft 11 includes an input section 1101, a microprocessor unit (MPIJ
) 11G2, a transceiver (TRv) 1103, and a digital-to-analog converter (DAC) 1105. Further, the handset 12 includes an input section 1201, an MPU
1202 and T RV 1203 are provided. and,
Both TRVs 1103 and 1203 have antenna 1104
and 1204, they are connected to each other by radio waves, infrared rays, ultrasonic waves, etc. In this embodiment, digital signals are transmitted and received between the handset 10111 and the handset 12 in order to reliably transmit and receive control signals even if they are separated by, for example, 30 to 50 meters. In addition, D of the base unit 11
A C1105 is a control device that actually regulates the operation of a controlled device 15 installed in a room 14 such as a clean room!
16 so as to be able to send an analog signal. This control device 16 is connected to the controlled device 15 via a cable 13 or the like. In addition, input units 1101 and 12
01 can be a keyboard input method or a barcode input method.

As shown in FIG. 4, the M'P U 1202 of the handset 12
is CPU 1209, ROM that stores programs
1208, U converts parallel signals to serial signals and MIDs transmitter 1211 and receiver @ 1212
S A RT 121G, input interface 1
205 and a display interface 1206. Note that the reference numeral 1207 is a display device using a liquid crystal, a phototube, or the like. Also, T RV 1203 is transmission 11
11211 and a receiver 1212. The input unit 1201 and display 1207 are connected to the CPU via interfaces 1205 and 1206, respectively.
1209. Also, CPU 1209
is ROM 1208 and USA RT 121G
and the USA RT 121G are connected to the transmitter 1211 and the receiver 191212, respectively. The transmitter 1211 and the receiver 1212 are connected to the antenna 1204
are connected to each. Therefore, all operations of the handset 12 are as follows.
This is done by issuing instructions from the CPU 1209 according to a program stored in the ROM 1208.

On the other hand, as shown in FIG.
lol consists of a CPU 1111, a ROM 1110, a RAM 1109 that temporarily stores data, and a US
A RT 1112, input interface 110
6 and a display interface 1107 are provided. Furthermore, the TRV 1103 similarly includes a transmitter 1113 and a receiver 1114.

Also, the control device! The DAC 1105 which generates a control signal obtained by converting a digital signal into an analog signal is provided depending on the number of control contents for the controlled device 15 and the like. And controlled device i! The controller 16 which issues the actual analog control signal to the CP
A display 1108 using a liquid crystal or the like and an input section 1101 are connected to Cp jJ via interfaces 1107 and 1106, respectively.
Connect Sarel to 1111. CPU 1111 ROM
1110 and RAM 1109, respectively.

In addition, the CPU 1111 is LI S A RT 11
Transmit via 12 4111113 and receiver 1114
are connected to the transmitter 1113 and the receiver 11, respectively.
14 is connected to an antenna 1104. And parent 11
11 is controlled by CP Ullll in the same manner as slave unit 12.

Note that it is convenient to use the control signals inputted by the child 1fi 12 and the master device 11 as shown in FIG. 2(a).

In other words, the input data A is entirely a 32-bit digital signal, and the entire input data is a header a.

Let command b1 be data Ic, data I'd, and delimiter e. This header a indicates that the subsequent contents are valid data and that it is the beginning of the data, and any appropriate binary number can be input. Command b includes an operation request signal that is first sent from the handset 12 to the base unit 11, and a confirmation request signal that is then returned from the base unit 11 to the slave unit 12.
Thereafter, a binary number is input that distinguishes the acknowledgment signal returned from the child 1ii12 to the base unit 11. In this embodiment, a binary number is input to the data IC to distinguish which of the four controlled devices @15 is to be controlled. The data nd is input by converting all actual control contents such as start of operation, operation speed, temperature, etc. into binary numbers. Finally, a binary number is input to the delimiter e, which means that the data content is the end and the data is fixed at the contents of each part c and d up to that point.

Next, the operation flow in the handset 12 will be explained with reference to FIGS. 6 to 8.

First, as shown in FIG.
0, in operation 1221 U S A RT 1
Signal reading at 210 is performed. And C
At P tJ 1209, it is determined 1222 whether a signal from 11B 111 is being received. If it has been received (1222Y), the process advances to step 1225; if it has not been received (1222N), the process advances to operation 1223.

Child! When 1112 is inputting the signal from base unit 11 (signal input to input section 1101 of 11t111) (1
222Y), as shown in FIG.
5, the input signal is read 1229 in the receiver (RX) 1212, and then the content of the received data is transmitted from the transmitter III (TX) 1211 to the base unit 1.
1 (1230). At the same time, the content of the received data is displayed on the display (DSP) 1207 via the display interface (DSP IF) 1206 (1231). Then, the process returns to step 1226. Thereby, the status on the base unit 11 side can be called up and checked using the slave unit 12 at any time.

The operation flow returned to step 1226 is as follows:
Judgment that the signal from 1 has not been received (1222N
), the input signal in the input unit 1201 of the child 1112 is read (1223), and the CPU 1209
It is determined whether a signal is input to the input unit 1201 (1224). If a signal is input to the input section 1201 (1224Y), step 122
1, and if no input has been made (1224N), the process returns to start 1220 again.

When a signal is input to the input section 1201 of the child l112 (
1224Y), as shown in FIG.
227, first input section 1201 of child 8112.
The data input to the base unit 11 is transmitted via the transmitter 1211 to
Make a call 1232 to . This is the operation request signal 21 shown in FIG. 2(b). Next, U.S.A.R.T. 121
Read the current state of the signal at 01233L,,CP
The LJ 1209 determines whether there is an input signal from the base unit 11 (11i 1234).

The input signal from the parent Ia11 is the confirmation request signal @22 shown in FIG. 2(b).

If there is no input signal from the base unit 11 in judgment 1234 (1234N), a counting operation 1242 is performed, and a judgment 1234 is made as to whether or not the count is n times, and if the count is n times (1234Y). Then, an error is displayed 1244 on the display 1201 and the process returns to step 1228 (start 1220) in FIG. If the count does not reach n times in judgment 1234 (1234
N), the process is returned to the reading 1233 of the USART 1210, and the determination 11i12 of the presence or absence of input signals from the base unit 11h1, etc.
34 is repeated.

If there is an input signal from 11tIA11 in judgment 1234 (1234Y'), the received content from 11111 is read 1235, and then c p U
1209, the input signal from the base unit 11 and the slave unit 12
Comparison 123 of identity with the input signal to the input unit 1201 of
6 is done.

In the judgment 1231 of the comparison 123B, if the input signal from the base unit 11 and the input signal to the child 1112 match (1237Y), the confirmation response signal 23 shown in FIG. , the process returns to step 1228 (start 1220) of FIG. The base unit 11 that received the acknowledgment signal 23 converts the digital signal into an analog signal via the DAC 1105 and sends it to the analog signal 1111 [
l device 16. And control bag @16 is cable 1
An operation signal is transmitted to the controlled device 15 via 3.

The controlled device 15 that receives this operation signal operates according to the contents of the signal. The operator can monitor the operation status and easily determine whether to further change the operation of the controlled device 15, and send the next new AI control signal from the slave device 12 as necessary. let

In judgment 1237,! Input signal and child from 111111! If the input signal to 112 does not match (123
7N), a count 1239 is performed, and it is determined 1240 whether or not the count is m times, and if it is m times (124
0Y), an error is displayed 1241 on the display 1207, and step 1228 (start 1220) in FIG.
will be returned to. If the count 1239 does not reach m times in judgment 1240 (124ON>, step 12
27, and the above operations are repeated until m times.

Next, the operation flow of the 11 aircraft 11 will be explained with reference to FIGS. 9 to 12.

First, as shown in FIG.
When 0, a read 1121 in the USA RT 1112 is performed. Then, the CPU 1111 receives the operation request signal 21 (FIG. 2(b)) from the handset 12.
) is checked 11i1122.

In judgment 1122, the operation request signal 21 from the handset 12
is input (1122Y), step 1
Proceed to 123. As shown in FIG. 10, step 112
3, reading the signal 21 from the handset 12 11
32 is done. Next, check from the base unit 11 to the slave unit 12,
A request signal 22 (FIG. 2(b)) is transmitted 1133 via a transmitter 1113. After the comparison is made in the slave unit 1fi12, an acknowledgment signal 23 (FIG. 2(b)) is sent to the slave unit 1.
The signal 23 is transmitted from the signal 2 to the parent t111, and the parent l111 reads the signal 23 (1134). This kid!
The comparison step 112 and the reading step 1134 of the parent device 11 can be omitted.

So, ta machine 11 (7) DAC1105 smell r (1
23 signals are DA-converted 1135 and converted into analog signals, and each controlled device M
An operation signal is output to 15. Further, the data content of the signal 23 is displayed 1136 on the display 1108, and the process returns to step 1124 shown in FIG.

As shown in FIG.
If the operation request signal 21 (FIG. 2(b)) is not input (1122N), the input signal is read 1125 at the input section interface <IF) 1106 of the base unit 11. And CP tJ
1111 to input part interface (r F
) The presence or absence of an input signal to 1106 is determined 1126 .

At decision 1126, the input interface (I
F) When no input signal is input to 1106 (
1126N), a time count is made 1129,
A determination 1130 is made as to whether or not seconds have elapsed, and if seconds have elapsed (1130Y), the set value data of the base unit 11 is transmitted 1131L/ to the slave unit 12, and then the process returns to the start 112o.

If t seconds have not elapsed in judgment 1130, the process is immediately returned to start 1120, and the above operations are repeated.

In judgment 1126, if an input signal is input to the input unit interface (IF) 1106 of the parent Ij 111 (1126Y), the process advances to step 1127. That is, as shown in FIG. 11, starting from step 1121,
Doujinshi signal is D by any D A C1105
A is converted, and an operation signal is output 1138 to the controlled device 15 via the 1111I device itt16.

Then, in order to read and confirm the data content of the operation signal on the handset j2 side,
2 as a confirmation request signal 22 (FIG. 2(b)) 11
39. In addition, the data content of the same operation signal is displayed on display 1.
108 is displayed 1140. And UsA RT
At 1112, the acknowledgment signal 23 (FIG. 2(b)) from the handset 12 to the base unit 11 is read 1141, and the CP
U1111 determines whether or not the same signal 23 is input 1
142 is done.

In judgment 1142, if the same signal 23 is not input (1142N), a count 1145 is performed and a judgment 1146 is made to repeat n times, and if the same signal 23 is not input even after n times (1146Y), An error message 1147 is displayed on the display 31108, the process proceeds to step 1128 in FIG. 9, and after seconds have elapsed, the process returns to the start 1120.

In judgment 1142, if the confirmation response signal 23 is input from the slave unit 12 to the base unit 11 (1142Y),
Proceed to step 1143. That is, as shown in FIG.
The same signal 23 is read 1148 into CPt
Jllll compares 1149 the confirmation request signal 22 (FIG. 2(b)) transmitted from the master device 11 to the child ta12 with the confirmation response signal 23. If both signals 22 and 23 match in comparison judgment 1150 (1150Y'), step 1128 (FIG. 9)
The process proceeds to step 1120, and returns to the start step 1120 after seconds have elapsed.

On the other hand, in judgment 1150, if both signals 22 and 23 do not match (115ON), count 1151
A determination 1152 is made as to whether or not the count has been counted m times. If it is not counted m times (1152N
), the process proceeds to step 1137, that is, it is stopped at the beginning of the flowchart ν shown in FIG.
repeated times. If the signals 22 and 23 do not match even after repeating m times, an error will be displayed on the display 1108.
153, and then proceeds to step 1128 in FIG.
After seconds have elapsed, the process returns to the start 1120.

The remote control method according to the present invention and its 84 are
An operation signal can be input from any of the base unit 11 and the base unit 11. Also, at this time, child! 112 and the base unit 11, the confirmation request signal 22 and the confirmation response signal 23 are used to confirm the identity of the operation signals input to each of them, and when the operation signals input to both Ia 11 and 12 are different, Since the controlled device is not operated,
It is possible to prevent malfunctions. Note that when an operation signal is input to only one of the base unit 11 and slave unit 12, the controlled device is operated by that operation signal, and the operation signal is input to the other base unit 11 or slave unit 12. Only the content of is displayed.

In addition, since the transmission method between the base unit 11 and the slave unit 12 is a digital signal, it is possible to make the nozzle extremely strong and to perform accurate control.

Note that, as in the above embodiment, the master unit 11 is connected to the control device 16.
If you manufacture it separately and attach it to the control device 1G,
The present invention can also be applied to the existing control device 16,
Increased versatility. Of course, 11ti may be integrated into the control device 1G.

Furthermore, the present invention can control anything that can be remotely controlled.

Furthermore, the present invention is not limited to the above embodiments,
It can be changed as necessary.

〔Effect of the invention〕

Since the remote control method and device according to the present invention have been described above, they have the following effects.

■ Since the control device is divided into the master unit and slave unit, and the master unit and slave unit are connected to each other wirelessly,
By bringing the handset with you, you can operate the vehicle while monitoring the operating status from any position, further improving operability.

■ Room (room) where controlled equipment is installed, such as a clean room
If there are restrictions on the size of the room, the room can be used effectively by moving the a+++m device outside the room.

■Also, by bringing a handset, you can operate the device from any position, so even if the control device is placed outside the room, two people should be in the room, one inside and one outside.
Operations that can only be performed by humans can be performed by humans, reducing the amount of time needed for operations and saving labor. Further, the operation can be performed right next to the object to be operated (the controlled device M), and the operation can be performed reliably.

■ Wireless systems can also be easily connected to computer systems, making computer management easier. Therefore, it is possible to centrally manage many large machines.

[Brief explanation of the drawing]

FIG. 1 is a schematic plan view of the remote control device of the present invention, and FIG. 2 (
a> is an explanatory diagram showing the contents of control signals transmitted and received by the remote control method of the present invention, FIG. A block diagram showing the remote control device, FIG. 4 is a block diagram showing a child device used in the remote control device, and FIG. 5 is a block diagram showing a master device used in the remote control device. Figures 6 to 8 are operation flow diagrams of the handset in the same remote control method, Figures 9 to 12 are operation flow diagrams of the master unit in the same remote control method, and Figure 13 is a conventional remote control method. FIG. 2 is a schematic plan view showing the device. DESCRIPTION OF SYMBOLS 11... Master device of control device, 12... Slave device of control device, 13... Cable, 14... Room, 15... Controlled device, 16... Control device, 21... - Operation request signal, 22... Confirmation request signal, 23... Confirmation response signal,
1101.1201...input section, 1102, 1202
...Microprocessor unit (MPLJ),
1103.1203・l-7 Nsiha (TRV), 11
04, 1204...Antenna, 11o5...Digital-analog converter (DAC), 1106.12
05・A section i' interface, 1107.1206
...Display interface, 1108.1207・
...Display, 1109・RAM. 1110, 1208...ROM, 1111.120
9-CPU, 1112゜1210-U S A R
T, 1113.1211...Send! I(TX),
1114, 1212... Reception 1 (RX). Figure 7Figure 2Figure 3Figure 5Figure 6Figure 9Figure 11Figure 72Figure 73

Claims (1)

[Claims] 1) A control device that operates a controlled device is divided into a parent device and a slave device, and the parent device and the slave device are connected to each other by radio, and transmit operation signals of the controlled device. When an input is made to the slave unit, an operation request signal is sent from the slave unit to the base unit, and the base unit outputs a confirmation request signal to the slave unit to confirm whether the received operation request signal is correct. By inputting this confirmation request signal, the slave unit determines whether it is the same as the operation request signal, outputs a confirmation response signal to the base unit, and transmits an operation signal from the base unit to the controlled device according to this confirmation response signal. If an operation signal to operate the controlled device is directly input to the parent device, the parent device outputs the operation signal to the controlled device to operate the controlled device.Remote control Method. 2) A master device equipped with a digital-to-analog converter is provided on the control device side that emits a control signal consisting of an analog signal that controls the operation of the controlled device, and a slave device that can wirelessly communicate with the master device using digital signals is provided. The base unit and the slave unit are each provided with an input unit that can input the control signal in the form of a digital signal, and the base unit and the slave unit respectively transmit the control signal input to the slave unit as an operation request signal to the base unit. the operation request signal received from the base unit as a confirmation request signal to the slave unit, and when the two request signals match, the slave unit transmits a confirmation response signal to the base unit;
A remote control device comprising a microprocessor unit that converts the operation request signal into an analog signal by a digital-to-analog converter after receiving the confirmation response signal.