CN203832265U - Bus driver driving behavior detection system - Google Patents
Bus driver driving behavior detection system Download PDFInfo
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- CN203832265U CN203832265U CN201320883715.7U CN201320883715U CN203832265U CN 203832265 U CN203832265 U CN 203832265U CN 201320883715 U CN201320883715 U CN 201320883715U CN 203832265 U CN203832265 U CN 203832265U
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Abstract
The utility model belongs to the technical field of driver driving behavior detection and discloses a bus driver driving behavior detection system. The bus driver driving behavior detection system comprises a base station locating system, and the base station locating system comprises a mobile phone of a bus driver and a plurality of base stations. The bus driver driving behavior detection system is characterized by further comprising a data processing unit and a wireless signal receiver used for receiving locating data of the base station locating system, the signal input end of the data processing unit is electrically connected with the output end of the wireless signal receiver, and the signal output end of the data processing unit is electrically connected with a data storage.
Description
Technical field
The utility model belongs to driving behavior detection technique field, particularly a kind of bus driver driving behavior checking system.
Background technology
In recent years, city bus, because of the great function of its performance in slow stifled guarantor is smooth, is more and more subject to the attention of government and Urban Traffic person's welcome.In urban traffic environment, a kind of driving behavior of typical bus driver---emergency braking (sudden stop) and anxious acceleration, seriously jeopardized the safety of driving and had influence on the traveling comfort of riding.
For the operation of standard bus, guarantee safety and the level of service of bus, main employing be take GPS as main vehicle-mounted instrument is for recording travelling data at present, realizes overspeed warning and the functions such as prompting of arriving at a station.But, but can not detect the emergency braking of bus driver and anxious acceleration driving behavior.
Utility model content
The purpose of this utility model is to propose a kind of bus driver driving behavior checking system.The utility model for example, without satellite signal receiver (gps signal receiver) is installed, but record travelling data by the mobile phone of bus driver, obtain anxious the deceleration and anxious expedited data that bus is in operation, realize the emergency braking of bus driver and the anxious record that accelerates this driving behavior.
For realizing above-mentioned technical purpose, the utility model adopts following technical scheme to be achieved.
A kind of bus driver driving behavior checking system, comprise architecture system, described architecture system comprises mobile phone and a plurality of base station of bus driver, it is characterized in that, also comprise data processing unit, for receiving the wireless signal receiver of the locating data of architecture system; The signal input part of described data processing unit is electrically connected to the mouth of wireless signal receiver; The signal output part of described data processing unit is electrically connected with data memory.
The feature of the technical program and further improvement are:
Described architecture system is used for utilizing arrival digital method to locate in real time the mobile phone of bus driver, and for the locating data of the mobile phone of bus driver is outwards sent by wireless channel; Described wireless signal receiver is for receiving the locating data from the mobile phone of the bus driver of architecture system, and for the locating data of the mobile phone of bus driver is sent to data processing unit; The locating data of the mobile phone of the bus driver that described data processing unit receives for basis, draw anxious expedited data and the anxious deceleration data of bus driver, and for the anxious expedited data of bus driver and anxious deceleration data are sent to data memory; Described anxious expedited data comprises anxious acceleration constantly and the anxious acceleration/accel that accelerates constantly corresponding bus, and described anxious deceleration data comprises anxious deceleration constantly and the anxious acceleration/accel of corresponding bus constantly that slows down.
Described data processing unit is arm processor, micro controller system or microprocessor, and described data memory is the OceanStor S2200T of Huawei type memory system.
The signal output part of described data processing unit is electrically connected with read-out.
Described a kind of bus driver driving behavior checking system, also comprise vehicle-mounted CAN bus, on the engine igniting coil of described bus, be provided with fire pulse sensor, the signal output part of described fire pulse sensor is electrically connected to vehicle-mounted CAN bus, and the signal input part of described data processing unit is electrically connected to vehicle-mounted CAN bus.
The beneficial effects of the utility model are: the utility model for example, without satellite signal receiver (gps signal receiver) is installed, but record travelling data by the mobile phone of bus driver, obtain anxious deceleration data and anxious expedited data that bus is in operation, realize the emergency braking of bus driver and the anxious record that accelerates this driving behavior.There is feature simple in structure, easy to use.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of bus driver driving behavior checking system of the present utility model;
Fig. 2 is the workflow schematic diagram of a kind of bus driver driving behavior checking system of the present utility model;
Fig. 3 is the storage effect schematic diagram of data memory of the present utility model;
Fig. 4 is the display effect schematic diagram of read-out of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
With reference to Fig. 1, it is the structural representation of a kind of bus driver driving behavior checking system of the present utility model.This bus driver driving behavior checking system, comprise architecture system, vehicle-mounted CAN bus 1, above-mentioned architecture system comprises mobile phone and a plurality of base station of bus driver, be used for utilizing arrival digital (TDOA) method to locate in real time the mobile phone of bus driver, and for the locating data of the mobile phone of bus driver is outwards sent by wireless channel.On the engine igniting coil of bus, be provided with fire pulse sensor, the signal output part of fire pulse sensor is electrically connected to vehicle-mounted CAN bus 1, when the engine starting of bus (when bus starts), fire pulse sensor can produce ignition pulse signal, now, fire pulse sensor is sent to vehicle-mounted CAN bus by this ignition pulse signal.When the engine stop of bus is worked, fire pulse sensor can only produce low level signal, and fire pulse sensor can be sent to low level signal vehicle-mounted CAN bus 1.
Above-mentioned bus driver driving behavior checking system also comprises wireless signal receiver and the data processing unit being arranged in bus.Data processing unit is arm processor, micro controller system or microprocessor.The signal input part of data processing unit is electrically connected to respectively mouth and the vehicle-mounted CAN bus 1 of wireless signal receiver.Wireless signal receiver is for receiving the locating data from the mobile phone of the bus driver of architecture system, and for the locating data of the mobile phone of bus driver is sent to data processing unit.For example, wireless signal receiver adopts nRF2401 transmission over radio chip.Data processing unit, for according to the locating data of the mobile phone of the bus driver receiving, draws anxious expedited data and the anxious deceleration data of bus driver.Anxious expedited data comprises anxious acceleration constantly and the anxious acceleration/accel that accelerates constantly corresponding bus, and anxious deceleration data comprises anxious deceleration constantly and the anxious acceleration/accel of corresponding bus constantly that slows down.The signal output part of data processing unit is electrically connected with data memory, and data processing unit is for being sent to data memory by the anxious expedited data of bus driver and anxious deceleration data, and data memory is the OceanStor S2200T of Huawei type memory system.
In the utility model embodiment, the signal output part of data processing unit is electrically connected with read-out, for example, and 18.5 inches of MBUS-185B type read-outs that this read-out adopts Mercedes (Mercedes) to produce.Read-out for showing anxious expedited data and the anxious deceleration data of bus driver under the control of data processing unit.
Below the workflow of a kind of bus driver driving behavior checking system of the present utility model being described, with reference to Fig. 2, is the workflow schematic diagram of a kind of bus driver driving behavior checking system of the present utility model.The workflow of this bus driver driving behavior checking system comprises the following steps:
S1: the utilization of architecture system arrives digital method the mobile phone of bus driver is positioned, and the locating data of the mobile phone of bus driver is outwards sent by wireless channel.The locating data of the mobile phone of bus driver comprises: the longitude and latitude of the mobile phone position of bus driver.Wireless signal receiver receives the locating data from the mobile phone of the bus driver of architecture system in real time, and in real time the locating data of the mobile phone of bus driver is sent to data processing unit.The process below architecture system utilization arrival digital method being positioned the mobile phone of bus driver describes: according to bus driver mobile phone ID, the mobile phone that adopts arrival digital (TDOA) method to carry out bus driver positions, and gathers the longitude and latitude (the namely longitude and latitude of the current position of bus) of the current position of mobile phone of bus driver.The time of advent, poor location (TDOA) method arrived the time difference of two base stations by measurement signal, the position of mobile phone (vehicular telephone) is fixed on and be take on the hyperbola that these two base stations are focus, set up two above Hyperbolic Equations, two hyp intersection points are the position coordinate of emitter (being mobile phone).
After data processing unit receives the locating data of mobile phone of bus driver, mobile phone position (knowing by longitude and latitude) that also must cicada bus driver.
In addition, as another embodiment, after data processing unit receives the locating data of mobile phone of bus driver, matching process according to the map, No. ID, the mobile phone of (mobile communications network provides) bus driver and the longitude and latitude of mobile phone position, compare in the path that the running orbit of the mobile phone of bus driver is provided with digital map database, the mobile phone location of bus driver and road net are connected, by pattern-recognition and matching process, determine that the mobile phone of bus driver is about the most probable position of map, accurately determine the mobile phone current location of bus driver, reduce the impact of the position error of bus driver.
S2: data processing unit draws the operating range of bus in sampling time section, described sampling time section refers to: the current sampling instant of architecture system and on time period between a sampling instant; The sampling frequency of the data processing unit operating range in sampling time section and architecture system according to bus, calculates bus at the momentary velocity of the current sampling instant of architecture system; The sampling frequency f of architecture system is more than or equal to 10Hz; In data processing unit, according to bus at the momentary velocity of the current sampling instant of architecture system, bus at the momentary velocity of a upper sampling instant of architecture system and the sampling frequency f of architecture system, calculate the acceleration/accel of bus in described sampling time section.Be described as follows:
The sampling frequency f of architecture system is more than or equal to 10Hz(and illustrates that the corresponding sampling interval is less than or equal to 0.1s), because the corresponding sampling interval is very little, think that the mobile phone of the bus driver motion path in sampling time section is straight line.The move distance of the mobile phone that data processing unit draws bus driver in sampling time section.Because the mobile phone of bus driver and bus are in same state of kinematic motion, now, data processing unit has also just drawn the range ability L of bus in sampling time section.
Because the sampling frequency f of architecture system is more than or equal to 10Hz, corresponding sampling interval Δ t is less than or equal to 0.1s.Now, the average velociity of bus in sampling time section
for:
Because corresponding sampling interval Δ t is less than or equal to 0.1s, can be by bus the average velociity in sampling time section
be similar to and regard bus as at the momentary velocity of the current sampling instant of architecture system.
Thereby data processing unit has also just drawn the momentary velocity of bus in each sampling instant of architecture system.Then, according to following formula, can draw the acceleration/accel a of bus in sampling time section
i: a
i=(v
i-v
i-1) f, wherein, v
ifor the momentary velocity of bus in the current sampling instant of architecture system, v
i-1for the momentary velocity of bus in a upper sampling instant of architecture system.
S3: data processing unit judges whether the absolute value of the acceleration/accel of bus in sampling time section is less than setting acceleration rate threshold a
max.It is evident that, when bus accelerates, the acceleration/accel of bus in sampling time section is greater than zero, and when bus slows down, the acceleration/accel of bus in sampling time section is less than zero.In the utility model embodiment, according to reality investigation and test figures, passenger on public transport feels that obvious uncomfortable acceleration-deceleration is about 5m/s
2.Therefore, by a
maxbe made as 5m/s
2.
S4: set acceleration rate threshold a if the absolute value of the acceleration/accel of bus in above-mentioned sampling time section is less than
max, illustrate that bus does not carry out urgency and accelerates or suddenly slow down, so return to execution step S1 to step S3.
If being more than or equal to, the absolute value of the acceleration/accel of bus in above-mentioned sampling time section sets acceleration rate threshold a
max, judging that current time is the sudden turn of events speed moment, sudden turn of events speed is constantly anxious the accelerate moment or anxious deceleration constantly, now performs step S5; Be described as follows: if the acceleration/accel of bus in described sampling time section is more than or equal to, set acceleration rate threshold a
max, judge that current time is anxious acceleration constantly; If being more than or equal to, the opposite number of the acceleration/accel of bus in described sampling time section sets acceleration rate threshold a
max, judge that current time is anxious slow down (in sudden stop state) constantly.
S5: data processing unit is sent to the acceleration/accel of the bus of the sudden turn of events speed moment and sudden turn of events speed moment correspondence in data memory.When utilizing data memory storage data, the acceleration/accel a of bus in sampling time section
ibe divided on the occasion of and negative value, work as a
iget on the occasion of time, represent anxious acceleration.Work as a
iwhile getting negative value, represent anxious deceleration.In addition, anxious acceleration constantly and suddenly slowed down and constantly by data processing unit, provided.With reference to Fig. 3, it is the storage effect schematic diagram of data memory of the present utility model.
In step S5, data processing unit sends control signal to read-out, controls read-out and shows the sudden turn of events speed moment and the sudden turn of events speed acceleration/accel of corresponding bus constantly.With reference to Fig. 4, it is the display effect schematic diagram of read-out of the present utility model.
Preferably, before step S1, data processing unit receives the signal from fire pulse sensor by vehicle-mounted CAN bus, if become ignition pulse signal from the signal of fire pulse sensor from low level signal, illustrates that bus starts to start.In step S1, the locating data of the mobile phone of the bus driver that data processing unit received before bus starts to start is invalid data, data processing unit can not go to calculate the anxious expedited data of bus and anxious deceleration data (for these invalid datas, can step S2 to step S5) according to these invalid datas.In step S1, the locating data of the mobile phone of the bus driver that data processing unit receives after bus starts startup is valid data, and data processing unit goes to calculate anxious expedited data and the anxious deceleration data (performing step S2 to step S5) of bus according to these valid data.
In addition, at step S1 to step S5, data processing unit receives the signal from fire pulse sensor by vehicle-mounted CAN bus, if the signal from fire pulse sensor becomes low level signal from ignition pulse signal, illustrate that driving engine is in flameout state, bus remains static.Now, the locating data of the mobile phone of the bus driver that data processing unit receives is invalid data, and data processing unit no longer calculates anxious expedited data and the anxious deceleration data of bus.
The utility model for example, without satellite signal receiver (gps signal receiver) is installed, but record travelling data by the mobile phone of bus driver, obtain anxious the deceleration and anxious expedited data that bus is in operation, realize the emergency braking of bus driver and the anxious record that accelerates this driving behavior.By analytic record data, can carry out education and training targetedly to chaufeur, conscientiously improve safe in operation and the level of service of bus.
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
Claims (4)
1. a bus driver driving behavior checking system, comprise architecture system, described architecture system comprises mobile phone and a plurality of base station of bus driver, it is characterized in that, also comprise data processing unit, for receiving the wireless signal receiver of the locating data of architecture system; The signal input part of described data processing unit is electrically connected to the mouth of wireless signal receiver; The signal output part of described data processing unit is electrically connected with data memory.
2. a kind of bus driver driving behavior checking system as claimed in claim 1, is characterized in that, described data processing unit is arm processor, micro controller system or microprocessor, and described data memory is the OceanStor S2200T of Huawei type memory system.
3. a kind of bus driver driving behavior checking system as claimed in claim 1, is characterized in that, the signal output part of described data processing unit is electrically connected with read-out.
4. a kind of bus driver driving behavior checking system as claimed in claim 1, it is characterized in that, also comprise vehicle-mounted CAN bus (1), on the engine igniting coil of described bus, be provided with fire pulse sensor, the signal output part of described fire pulse sensor is electrically connected to vehicle-mounted CAN bus (1), and the signal input part of described data processing unit is electrically connected to vehicle-mounted CAN bus (1).
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| CN201320883715.7U CN203832265U (en) | 2013-12-30 | 2013-12-30 | Bus driver driving behavior detection system |
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| CN201320883715.7U CN203832265U (en) | 2013-12-30 | 2013-12-30 | Bus driver driving behavior detection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660942A (en) * | 2013-12-30 | 2014-03-26 | 长安大学 | Bus driver driving behavior detecting system and method |
| CN113066303A (en) * | 2021-03-25 | 2021-07-02 | 上海智能新能源汽车科创功能平台有限公司 | Intelligent bus stop combined positioning system based on vehicle-road cloud cooperation |
-
2013
- 2013-12-30 CN CN201320883715.7U patent/CN203832265U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103660942A (en) * | 2013-12-30 | 2014-03-26 | 长安大学 | Bus driver driving behavior detecting system and method |
| CN103660942B (en) * | 2013-12-30 | 2017-01-18 | 长安大学 | Bus driver driving behavior detecting system and method |
| CN113066303A (en) * | 2021-03-25 | 2021-07-02 | 上海智能新能源汽车科创功能平台有限公司 | Intelligent bus stop combined positioning system based on vehicle-road cloud cooperation |
| CN113066303B (en) * | 2021-03-25 | 2022-09-06 | 上海智能新能源汽车科创功能平台有限公司 | Intelligent bus stop combined positioning system based on vehicle-road cloud cooperation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20151230 |
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| EXPY | Termination of patent right or utility model |