> One, foreword
In in a city development plan, the transportation is
suspends in the government service the first important matter, but the
mass transit development is heavy center is heavy. Therefore
does well an important matter which the mass transit is 利国利民,
because of this point, Shenzhen is inspiring passes the technical
limited company to display in the accumulation correspondence aspect
experience (ITS) the company cooperates together with each intelligent
transportation, advanced the mass transit domain product application
together.
In city mass transit, most important construction mainly in
following several aspects:
Parking lot or key position dispatch management
Waits for a train the station sign construction
The vehicles and the personnel monitor
This system proposing is precisely the model
international development newest tendency, unifies Chinese the actual
situation, in the company independent intellectual property rights
product foundation, proposed above this set of solution uses for to
solve the problem.
Second, the demand proposed
This system proposed mainly is aims at the public
transportation company and rides in a carriage person's demand.
The general meeting has such demand in each local public
transportation main corporation's general manager's heart:
Company's vehicles this time in any position, in the parking lot
also has how many vehicles, which line is busiest, how invests not the
busy line vehicles or the temporary vehicle to the busy line goes, the
public transportation center hoped the operation vehicles is sending
out some information to the line on (for example: Busy road
section situation and so on), simultaneously because the advertizing
revenue accounts for the very great proportion in the public
transportation income, therefore the center also hoped can control the
public transportation vehicles the advertisement broadcast, the public
transportation company also hoped can have some advanced way solution
checking attendance the question, but at present only can prints
through the man-power or the computer 路单 solves, whether 路单
electron?
Rides in a carriage regarding each rides in a carriage the
person to say that, he mainly wants to know:
How do I choose trade the least vehicles distance shortest
public transportation line, which public transportation vehicle do I
have to ride, but to my recent this group public transportation
vehicle estimated the long time arrives?
This system main solution like on question.
Third, system design and function introduction
The system construction mainly divides into four parts:
Public transportation center dispatch demonstration subsystem
The parking lot and the key position dispatcher manages
the subsystem
Waits for a train the electronic station sign subsystem
Public transportation intelligent terminal subsystem
Under does to each subsystem simply introduced that,
1. public transportation centers dispatch demonstration
subsystem main function includes:
1) vehicles dynamic demonstration
Passes position which the oversized screen and the
electronic map way dynamic demonstration any quantity public
transportation vehicles locates, in order to for dispatches the
personnel and all levels of directions personnel provides the
direct-viewing judgement information.
2) under the important notice sends
Through system, but conveniently has the choice sends
some important notices in view of under all public transportation
vehicles or the partial public transportation vehicles.
3) advertisement broadcast dispatch
Through the central advertisement dispatch, may as
necessary carries on the dispatch control to all public transportation
vehicles or the partial public transportation vehicles electronic
advertisement, achieved the advertisement delivery the biggest effect,
simultaneously gains the greatest income.
4) core dispatch management
May carry on the dispatch as necessary to all public
transportation vehicles, increases or the reduced line vehicles as
necessary, achieved the vehicles use rationalization.
2. parking lots and the key position dispatchers manage the
subsystem main function:
1) automatic diagnosis turnover field area vehicles information,
including car license number, line, to station time and so on;
2) on automatic diagnosis vehicles attendant information,
including driver information, ticket seller information and so on;
3) to enters the cart yard the vehicles to send out in advance
starts out the instruction, commissioner machine enters to the cart
yard had basically known own starts out the time;
4) may dispatch the vehicles to start out as necessary the line,
if if 1 group public transportation cotton thread road because 堵车
the vehicles completely to send out, but is in the identical cart yard
2 groups vehicles also to have the idle vehicles, the dispatch system
may send out the instruction to let some 2 groups vehicles alter to 1
group vehicle to put into the use, like this may greatly strengthen
the public transportation vehicles the use efficiency;
5) the system automatic recording vehicles to the station time,
start out the time and the attendant information, like this may
facilitate precisely forms the inspection information, and is the
authoritative information;
6) may for each vehicle assignment which passes in and out stop
the position, like the traffic lane or stops the berth and so on;
3. waits for a train the electronic station sign subsystem
1) gave advance notice to the station that,
The electronic station sign through LED conveniently
demonstrated arrives to the home station recent public transportation
vehicles estimate when once in a while is away from, informs waits for
a train the person.
2) electronic station sign:
Through the LED way demonstrated the line anchors the station.
3) receives the information and the demonstration which the
center sends out. Because the central information origin is
most, the center may push the information as necessary to the
electronic station sign, like 堵车 information and so on, causes to
wait for a train the person to feel the public transportation company
all the time the thorough service.
4) also may in the gap time emergency broadcast advertisement.
4. public transportation intelligent terminal subsystem main
function:
1) may conveniently through the IC card or the keyboard way,
inputs the attendant information to the public transportation
intelligent terminal;
2) may as necessary transmits through the encryption way the
vehicles and the attendant information to the cart yard or the center;
3) may receive the information as necessary which the center or
the dispatch system sends out, and through LCD display monitor
demonstration;
4) the passable string mouth conveniently has provided a high
speed data transmission channel, provides the convenience for other
systems data transmissions, like a cartoon data wireless gathering and
so on;
5) the passable string mouth control line had demonstrated,
advertisement systems control and so on;
Fourth, system characteristic
The system main merit lies in:
1) has comprehensively realized between the public
transportation company, the attendant, passenger's information
gathering, the information transmission, with information sharing;
2) may greatly promote the public transportation company's in
resident status through these services, causes the city the mass
transit management to step the new stair;
3) may greatly enhance the public transportation company the
vehicles operation efficiency;
4) through the advertisement 随时随地 control broadcast, may
increase the public transportation company the income;
5) this system uses the wireless technology (passes on
broadcasting station without line number) the communication;
6) this system uses the wireless technology, therefore does not
need the wiring project, the municipal administration constructs
简易行;
7) between this system vehicles and the cart yard or the station
sign (micro power passes on broadcasting station without line number)
to correspond, but between the cart yard either the station sign and
the center correspond uses the high-power station or GPRS, like this
may greatly save the cost disbursement;
8) the system through to the public transportation attendant's
management, may checking attendance, the dispatch, the reward unify in
together, enhances the public transportation system the transparency;
9) like municipal transportation on already "a transportation
cartoon" project, but also the passable this system conveniently has
carried on the wireless data acquisition; Shenzhen inspires
passes the technical limited company is specialized is engaged in
without the line number passes on the module, the GPRS connection
module development, the production, the sales factory, at present the
product widely applies in each kind of wireless telemetering, the
external guidance system, has solved the customer system data
transmission difficult topic. The wireless correspondence
product, solves the problem to be more convenient! Contacts
with us, the general meeting has the appropriate plan and the product
satisfies you to the wireless correspondence product request.
In in this plan description, the our company mainly was has
provided the wireless correspondence application plan and the product,
the customer uses the ZT-TR43 series micro power to pass on the module
without the line number to take the data the transmission facility.
The ZT-TR43 series micro power passes on the module technology
characteristic without the line number:
* The transmission stable, the reliability is high, the
performance finely: Based on the FSK modulation way, uses highly
effective front to the error correction channel coding technology,
enhanced the data anti- arise suddenly the disturbance and the random
disturbance ability, in apparent distance situation, antenna position
>3 rice, reliable transmission 离距 approximately 800m
(BER=10-6/1200Bit/S);
* Low power loss: Normally waits for an opportunity:
14mA, launch: 50mA, the dormancy consumes 10 mu A, selects
the battery power supply method not to need frequently to replace the
battery;
* The volume small, the weight is light, installs the easy to
operate: The wireless module may insert in customer each
equipment according to the situation;
* Low cost: Uses this kind of wireless module the way cost
to be extremely low;
* The micro power launch, has the receiving and dispatching
condition to instruct that, The emissive power is 10mW, through
LED demonstrated the receiving and dispatching condition, facilitates
the observation module the working condition;
* The frequency in the ISM frequency band, does not need to
apply for the frequency spot, carrier frequency 433MHz (special
ordering also may provide 315/915MHz the carrier frequency);
* Transparent data transmission connection: The customer
does not need in view of to pass on the module without the line number
to make any development the work;
* In sets 看门? the real-time monitoring, ceases the
wireless module dying machine phenomenon;
* Multi- channels: The standard disposition provides 4
channels (special ordering, may have 8 or 16 channels), satisfies the
user many kinds of correspondences combination way;
* Three connections ways: The standard RS-232/TTL/RS-485
connection (three elects one);
* Intelligence data management: The module can
automatically complete receives, sends the transformation, the control
and so on, does not need the customer to make the specific control;
* The redundant reliability, the volume small, the weight is
light.
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