CN117421494A - On-road track visual management method, system and device based on digital logistics - Google Patents

On-road track visual management method, system and device based on digital logistics Download PDF

Info

Publication number
CN117421494A
CN117421494A CN202311378108.XA CN202311378108A CN117421494A CN 117421494 A CN117421494 A CN 117421494A CN 202311378108 A CN202311378108 A CN 202311378108A CN 117421494 A CN117421494 A CN 117421494A
Authority
CN
China
Prior art keywords
target vehicle
time
real
transportation
preset
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311378108.XA
Other languages
Chinese (zh)
Inventor
周羊平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ma'anshan Yunwang Logistics Technology Co ltd
Original Assignee
Ma'anshan Yunwang Logistics Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ma'anshan Yunwang Logistics Technology Co ltd filed Critical Ma'anshan Yunwang Logistics Technology Co ltd
Priority to CN202311378108.XA priority Critical patent/CN117421494A/en
Publication of CN117421494A publication Critical patent/CN117421494A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • G06F16/953Querying, e.g. by the use of web search engines
    • G06F16/9538Presentation of query results
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • G06F16/953Querying, e.g. by the use of web search engines
    • G06F16/9537Spatial or temporal dependent retrieval, e.g. spatiotemporal queries
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/08Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/083Shipping
    • G06Q10/0833Tracking

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Economics (AREA)
  • Data Mining & Analysis (AREA)
  • General Engineering & Computer Science (AREA)
  • Development Economics (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Human Resources & Organizations (AREA)
  • Marketing (AREA)
  • Operations Research (AREA)
  • Quality & Reliability (AREA)
  • Strategic Management (AREA)
  • Tourism & Hospitality (AREA)
  • General Business, Economics & Management (AREA)
  • Traffic Control Systems (AREA)

Abstract

The invention discloses a method, a system and a device for visual management of an on-road track based on digital logistics, wherein the method comprises the following steps: when the real-time positioning information of the target vehicle is detected, updating the travel track information of the freight order bound by the target vehicle, and checking whether the target vehicle deviates from a preset transportation route; when the real-time positioning information of the target vehicle is not detected, marking the last real-time positioning and the corresponding updating time of the target vehicle on a preset transportation route, and starting to count the abnormal time length when the real-time positioning of the target vehicle is not detected; and when the abnormal time length exceeds the preset time length, automatically initiating a track abnormal inquiry request, acquiring the transportation state information of the target vehicle, and if the target vehicle is in an abnormal parking state, sending the travel track abnormal alarm information of the target vehicle. According to the invention, the travel track information can be updated according to the real-time positioning information of the target vehicle, and the travel of the vehicle can be automatically inquired when the abnormal time length of the real-time positioning is not detected to exceed the preset time length.

Description

On-road track visual management method, system and device based on digital logistics
Technical Field
The invention relates to the technical field of logistics, in particular to a method, a system and a device for on-the-way track visual management based on digital logistics.
Background
The distance between the two transport lines is more than 25 km. The main characteristics of long-distance cargo transportation are as follows: the transportation distance is long, the turnover time is long, and the driving route is relatively fixed. The long-distance transportation is generally trans-provincial and trans-regional highway trunk transportation, the average daily travel reaches 200-350 km, and the turn-over time of the automobile is long when a certain transportation task is completed.
In the long-distance freight transportation process, when the travel track of the freight car is updated, the real-time positioning of the freight car is sometimes in an on state, sometimes in an off state, and the signals of part of the transportation road sections in the whole long-distance transportation route are poor, the system cannot receive real-time positioning information of the freight car, so that part of the freight car is lost when the user looks over the travel track of the freight car, and if the user directly contacts with the driver to inquire, the driving of the driver is easily influenced, and the travel track of the freight car needs to be managed.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a method, a system and a device for on-road track visual management based on digital logistics, which solve the problems that in long-distance freight transportation, the real-time positioning of a truck is sometimes in an on state and sometimes in an off state, and the signals of part of transportation sections in the whole long-distance transportation route are poor, and when the system cannot receive real-time positioning information of a vehicle, a user directly contacts with a driver to inquire and the driving of the driver is easily influenced.
The invention provides a visual management method of an in-transit track based on digital logistics, which comprises the following steps:
responding to a departure request of a target vehicle, and uploading a preset transportation route of the target vehicle;
when the real-time positioning information of the target vehicle is detected, updating the travel track information of the freight order bound by the target vehicle, and checking whether the target vehicle deviates from a preset transportation route;
when the real-time positioning information of the target vehicle is not detected, marking the last real-time positioning and the corresponding updating time of the target vehicle on a preset transportation route, and starting to count the abnormal time length when the real-time positioning of the target vehicle is not detected;
and when the abnormal time length exceeds the preset time length, automatically initiating a track abnormal inquiry request, acquiring the transportation state information of the target vehicle, and if the target vehicle is in an abnormal parking state, sending the travel track abnormal alarm information of the target vehicle.
As a further improvement of the invention: the transportation state information comprises real-time positioning information of the target vehicle, driving information of the target vehicle and transportation goods information, and further comprises a travel track inquiry button for a user when the abnormal time length exceeds the preset time length, wherein the travel track inquiry button comprises a direct-connection driver button, a customer service docking button and a real-time positioning button for inviting a driver to start.
As a further improvement of the invention: the checking whether the target vehicle deviates from a preset transportation route specifically comprises:
acquiring real-time positioning information of a target vehicle, and judging whether a travel track formed by the real-time positioning of the target vehicle is consistent with a preset transportation route;
if the target vehicles are consistent, determining that the target vehicles transport goods according to a preset transport route;
if the estimated arrival time, the estimated transportation time and the route replacement reason of the target vehicle are synchronously updated, if the estimated arrival time, the estimated transportation time and the route replacement reason of the target vehicle are not consistent, the route replacement request information is sent, and if the estimated arrival time, the estimated transportation time and the route replacement reason of the target vehicle are not consistent, the route track abnormality alarm information is sent.
As a further improvement of the invention: the preset transportation route is divided into a plurality of transportation sections in advance, each transportation section corresponds to a preset duration for real-time positioning of the undetected target vehicle, and when the real-time positioning information of the target vehicle is not detected, the method further comprises the steps of:
acquiring a transport section where the last real-time positioning of the target vehicle is located and a preset time length corresponding to the transport section, and further acquiring the update time of the last real-time positioning of the target vehicle;
determining the expected duration of a transport section where a target vehicle passes through the previous real-time positioning, obtaining a first time node of a start point of the transport section where the target vehicle enters the previous real-time positioning, and calculating to obtain a second time node of an end point of the transport section where the target vehicle passes through the previous real-time positioning;
calculating the update time and a second time node to obtain virtual abnormal time, and updating travel track information when the target vehicle reaches the end of the transportation section when the virtual abnormal time does not exceed the preset time;
and when the virtual abnormal time length exceeds the preset time length, automatically initiating a track abnormal inquiry request to acquire the transportation state information of the target vehicle.
As a further improvement of the invention: the method further includes, when no real-time positioning information of the target vehicle is detected: it is checked whether the target vehicle deviates from the preset transportation route.
As a further improvement of the invention: the transportation section is composed of at least two transportation nodes, and the transportation nodes comprise a logistics center, a logistics transfer station, a high-speed toll station and an oil station.
The invention also provides a digital logistics-based on-the-way track visual management system, which comprises:
the route uploading module is used for responding to a departure request of a target vehicle and uploading a preset transportation route of the target vehicle;
the first updating module is used for updating the travel track information of the freight order bound by the target vehicle and checking whether the target vehicle deviates from a preset transportation route when the real-time positioning information of the target vehicle is detected;
the second updating module is used for marking the last real-time positioning and the corresponding updating time of the target vehicle on a preset transportation route when the real-time positioning information of the target vehicle is not detected, and starting to count the abnormal time length when the real-time positioning of the target vehicle is not detected;
the processing module is used for automatically initiating a track abnormality inquiry request when the abnormal time length exceeds the preset time length, acquiring the transportation state information of the target vehicle, and sending the travel track abnormality alarm information of the target vehicle if the target vehicle is in an abnormal parking state.
The invention also provides a device for visually managing the in-transit track based on the digital logistics, which comprises the following components: the system comprises a memory and a processor, wherein the memory is used for storing information comprising program instructions, and the processor is used for controlling execution of the program instructions, and the program instructions realize the on-the-way track visualization management method based on the digital logistics when loaded and executed by the processor.
The beneficial effects are that:
after a target vehicle gets out of a vehicle, uploading a preset transportation route of the target vehicle, updating travel track information of a transportation order bound by the target vehicle according to real-time positioning information of the target vehicle, checking whether the target vehicle deviates from the preset transportation route, marking the last real-time positioning and corresponding updating time of the target vehicle on the preset transportation route when the real-time positioning of the target vehicle disappears, starting to count and not detect abnormal time length of the real-time positioning of the target vehicle, automatically initiating a track abnormal inquiry request when the abnormal time length exceeds the preset time length, acquiring transportation state information of the target vehicle, if the target vehicle is in an abnormal parking state, sending travel track abnormal alarm information of the target vehicle, managing the travel track of the vehicle to a certain extent, and automatically initiating track inquiry when the track abnormal time length is too long.
Drawings
Fig. 1 is a flowchart of a method for visual management of in-transit trajectories based on digital logistics.
Detailed Description
Referring to fig. 1, fig. 1 is a flowchart of a method for managing on-road trajectory visualization based on digital logistics according to an embodiment of the present invention;
referring to fig. 1, the method for visually managing the on-road track based on the digital logistics according to the embodiment of the invention includes:
s1: responding to a departure request of a target vehicle, and uploading a preset transportation route of the target vehicle;
the target vehicle runs according to different preset transportation routes, the expected arrival time is different, and when the new preset transportation route is replaced, the transportation duration required by part of shippers is influenced to a certain extent.
S2: when the real-time positioning information of the target vehicle is detected, updating the travel track information of the freight order bound by the target vehicle, and checking whether the target vehicle deviates from a preset transportation route;
preferably, the checking whether the target vehicle deviates from the preset transportation route specifically includes:
acquiring real-time positioning information of a target vehicle, and judging whether a travel track formed by the real-time positioning of the target vehicle is consistent with a preset transportation route;
if the target vehicles are consistent, determining that the target vehicles transport goods according to a preset transport route;
if the estimated arrival time, the estimated transportation time and the route replacement reason of the target vehicle are synchronously updated, if the estimated arrival time, the estimated transportation time and the route replacement reason of the target vehicle are not consistent, the route replacement request information is sent, and if the estimated arrival time, the estimated transportation time and the route replacement reason of the target vehicle are not consistent, the route track abnormality alarm information is sent.
S3: when the real-time positioning information of the target vehicle is not detected, marking the last real-time positioning and the corresponding updating time of the target vehicle on a preset transportation route, and starting to count the abnormal time length when the real-time positioning of the target vehicle is not detected;
the preset transportation route is divided into a plurality of transportation sections in advance, and each transportation section corresponds to preset duration for real-time positioning of the undetected target vehicle.
Preferably, the preset transportation route is provided with a plurality of transportation nodes, the transportation section is at least formed by two transportation nodes, and the transportation nodes comprise a logistics center, a logistics transfer station, a high-speed toll station and an oil station.
The logistics center, the logistics transfer station, the high-speed toll station and the oil station are used as transportation nodes, and the vehicles can be automatically uploaded and positioned in real time when passing through the logistics center, the logistics transfer station, the high-speed toll station and the oil station.
S4: and when the abnormal time length exceeds the preset time length, automatically initiating a track abnormal inquiry request, acquiring the transportation state information of the target vehicle, and if the target vehicle is in an abnormal parking state, sending the travel track abnormal alarm information of the target vehicle.
Preferably, when no real-time positioning information of the target vehicle is detected, the method further includes: it is checked whether the target vehicle deviates from the preset transportation route.
Preferably, the transportation state information comprises real-time positioning information of the target vehicle, driving information of the target vehicle and transportation goods information, and further comprises a travel track inquiry button for a user when the abnormal time length exceeds a preset time length, wherein the travel track inquiry button comprises a direct connection driver button, a customer service docking button and a real-time positioning button for inviting the driver to start.
Preferably, when no real-time positioning information of the target vehicle is detected, the method further includes:
acquiring a transport section where the last real-time positioning of the target vehicle is located and a preset time length corresponding to the transport section, and further acquiring the update time of the last real-time positioning of the target vehicle;
determining the expected duration of a transport section where a target vehicle passes through the previous real-time positioning, obtaining a first time node of a start point of the transport section where the target vehicle enters the previous real-time positioning, and calculating to obtain a second time node of an end point of the transport section where the target vehicle passes through the previous real-time positioning;
calculating the update time and a second time node to obtain virtual abnormal time, and updating travel track information when the target vehicle reaches the end of the transportation section when the virtual abnormal time does not exceed the preset time;
and when the virtual abnormal time length exceeds the preset time length, automatically initiating a track abnormal inquiry request to acquire the transportation state information of the target vehicle.
The invention also provides a digital logistics-based on-the-way track visual management system, which comprises:
the route uploading module is used for responding to a departure request of a target vehicle and uploading a preset transportation route of the target vehicle;
the first updating module is used for updating the travel track information of the freight order bound by the target vehicle and checking whether the target vehicle deviates from a preset transportation route when the real-time positioning information of the target vehicle is detected;
the second updating module is used for marking the last real-time positioning and the corresponding updating time of the target vehicle on a preset transportation route when the real-time positioning information of the target vehicle is not detected, and starting to count the abnormal time length when the real-time positioning of the target vehicle is not detected;
the processing module is used for automatically initiating a track abnormality inquiry request when the abnormal time length exceeds the preset time length, acquiring the transportation state information of the target vehicle, and sending the travel track abnormality alarm information of the target vehicle if the target vehicle is in an abnormal parking state.
The invention also provides a device for visually managing the in-transit track based on the digital logistics, which comprises the following components: the system comprises a memory and a processor, wherein the memory is used for storing information comprising program instructions, and the processor is used for controlling execution of the program instructions, and the program instructions realize the on-the-way track visualization management method based on the digital logistics when loaded and executed by the processor.
It should be noted that, in the foregoing embodiments, the program code for performing the operations of the embodiments of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, c++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-described division of the functional modules is illustrated, and in practical application, the above-described functional allocation may be performed by different functional modules according to needs, i.e. the internal structure of the apparatus is divided into different functional modules to perform all or part of the functions described above. The specific working process of the above-described device may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (8)

1. The on-the-way track visual management method based on the digital logistics is characterized by comprising the following steps of:
responding to a departure request of a target vehicle, and uploading a preset transportation route of the target vehicle;
when the real-time positioning information of the target vehicle is detected, updating the travel track information of the freight order bound by the target vehicle, and checking whether the target vehicle deviates from a preset transportation route;
when the real-time positioning information of the target vehicle is not detected, marking the last real-time positioning and the corresponding updating time of the target vehicle on a preset transportation route, and starting to count the abnormal time length when the real-time positioning of the target vehicle is not detected;
and when the abnormal time length exceeds the preset time length, automatically initiating a track abnormal inquiry request, acquiring the transportation state information of the target vehicle, and if the target vehicle is in an abnormal parking state, sending the travel track abnormal alarm information of the target vehicle.
2. The method for visually managing on-the-way trajectories based on digital logistics according to claim 1, wherein the transportation state information includes real-time positioning information of a target vehicle, traveling information of the target vehicle and information of transported goods, and further includes adding a trip trajectory query button to a user when the abnormal time exceeds a preset time, wherein the trip trajectory query button includes a direct driver button, a customer service docking button and a prompt driver to turn on the real-time positioning button.
3. The method for visually managing an on-road trajectory based on digital logistics according to claim 1, wherein the checking whether the target vehicle deviates from the preset transportation route comprises:
acquiring real-time positioning information of a target vehicle, and judging whether a travel track formed by the real-time positioning of the target vehicle is consistent with a preset transportation route;
if the target vehicles are consistent, determining that the target vehicles transport goods according to a preset transport route;
if the estimated arrival time, the estimated transportation time and the route replacement reason of the target vehicle are synchronously updated, if the estimated arrival time, the estimated transportation time and the route replacement reason of the target vehicle are not consistent, the route replacement request information is sent, and if the estimated arrival time, the estimated transportation time and the route replacement reason of the target vehicle are not consistent, the route track abnormality alarm information is sent.
4. The method for visualized on-road track management based on digital logistics according to claim 1, wherein the preset transportation route is divided into a plurality of transportation segments in advance, each transportation segment corresponds to a preset duration for real-time positioning of the undetected target vehicle, and when the real-time positioning information of the target vehicle is not detected, the method further comprises:
acquiring a transport section where the last real-time positioning of the target vehicle is located and a preset time length corresponding to the transport section, and further acquiring the update time of the last real-time positioning of the target vehicle;
determining the expected duration of a transport section where a target vehicle passes through the previous real-time positioning, obtaining a first time node of a start point of the transport section where the target vehicle enters the previous real-time positioning, and calculating to obtain a second time node of an end point of the transport section where the target vehicle passes through the previous real-time positioning;
calculating the update time and a second time node to obtain virtual abnormal time, and updating travel track information when the target vehicle reaches the end of the transportation section when the virtual abnormal time does not exceed the preset time;
and when the virtual abnormal time length exceeds the preset time length, automatically initiating a track abnormal inquiry request to acquire the transportation state information of the target vehicle.
5. A method of digital logistic based on-the-way trajectory visualization management according to claim 3, wherein when no real-time positioning information of the target vehicle is detected, the method further comprises: it is checked whether the target vehicle deviates from the preset transportation route.
6. The method for visualized management of on-the-way trajectories based on digital logistics according to claim 4, wherein a plurality of transportation nodes are arranged on the preset transportation route, the transportation section is composed of at least two transportation nodes, and the transportation nodes comprise a logistics center, a logistics transfer station, a high-speed toll station and an oil station.
7. An on-road track visual management system based on digital logistics is characterized by comprising:
the route uploading module is used for responding to a departure request of a target vehicle and uploading a preset transportation route of the target vehicle;
the first updating module is used for updating the travel track information of the freight order bound by the target vehicle and checking whether the target vehicle deviates from a preset transportation route when the real-time positioning information of the target vehicle is detected;
the second updating module is used for marking the last real-time positioning and the corresponding updating time of the target vehicle on a preset transportation route when the real-time positioning information of the target vehicle is not detected, and starting to count the abnormal time length when the real-time positioning of the target vehicle is not detected;
the processing module is used for automatically initiating a track abnormality inquiry request when the abnormal time length exceeds the preset time length, acquiring the transportation state information of the target vehicle, and sending the travel track abnormality alarm information of the target vehicle if the target vehicle is in an abnormal parking state.
8. An on-the-way track visual management device based on digital logistics is characterized by comprising: a memory for storing information including program instructions and a processor for controlling execution of the program instructions, characterized by: the program instructions when loaded and executed by a processor implement a method for digital logistics-based on-path trajectory visualization management as claimed in any one of claims 1 to 6.
CN202311378108.XA 2023-10-23 2023-10-23 On-road track visual management method, system and device based on digital logistics Pending CN117421494A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311378108.XA CN117421494A (en) 2023-10-23 2023-10-23 On-road track visual management method, system and device based on digital logistics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311378108.XA CN117421494A (en) 2023-10-23 2023-10-23 On-road track visual management method, system and device based on digital logistics

Publications (1)

Publication Number Publication Date
CN117421494A true CN117421494A (en) 2024-01-19

Family

ID=89522379

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311378108.XA Pending CN117421494A (en) 2023-10-23 2023-10-23 On-road track visual management method, system and device based on digital logistics

Country Status (1)

Country Link
CN (1) CN117421494A (en)

Similar Documents

Publication Publication Date Title
US11761775B2 (en) Travel route selection system for electric truck and travel route selection method for electric truck
US11763268B2 (en) Method and system to improve driver information and vehicle maintenance
CN107003134A (en) Server for running parking lot
US20200184404A1 (en) Fleet Trigger-Based Incentives With Blockchain
US10673948B2 (en) Trailer identification, inspection, and verification using a vehicle gateway
US7616105B2 (en) Methods and apparatus for providing hours of service management
CN1277706A (en) Method and apparatus for automatic event detection in a wireless communication system
US10836414B2 (en) Method and system for sharing of information pertinent at a railway crossing
CN112749740B (en) Method, device, electronic equipment and medium for determining vehicle destination
US11887484B2 (en) Safety system configured to determine when a vehicle has made an unwanted stop
US20100179849A1 (en) System and method for identifying backhaul opportunities
US20220189303A1 (en) Transport management device, transport management method, and transport system
CN117421494A (en) On-road track visual management method, system and device based on digital logistics
JP5119966B2 (en) Route guidance system, in-vehicle terminal, information server, route guidance method, program, and recording medium
EP3533675A1 (en) Electric vacuum pump control apparatus and electric vacuum pump control method
CN112053579B (en) Vehicle management device and vehicle management method
US10972143B2 (en) Information processing device and information processing program
CN112862383B (en) Data processing method and device
CN112053118B (en) Mobile terminal-based vehicle-free carrier supervision system and method
US20230401612A1 (en) Vehicle management system
US20240005286A1 (en) Touchless maintenance
CN108898334B (en) Transportation settlement system based on Internet of vehicles
JP7221748B2 (en) Vehicle information providing device and vehicle information providing system
WO2023057782A1 (en) Repair site transmission device and repair site transmission method
CN112862383A (en) Data processing method and device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination